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llvm-project/lldb/source/Expression/ClangExpressionDeclMap.cpp

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Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
//===-- ClangExpressionDeclMap.cpp -----------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Expression/ClangExpressionDeclMap.h"
Brought LLDB top-of-tree into sync with LLVM/Clang top-of-tree. Removed all local patches and llvm.zip. The intent is that fron now on top-of-tree will always build against LLVM/Clang top-of-tree, and that problems building will be resolved as they occur. Stable release branches of LLDB can be constructed as needed and linked to specific release branches of LLVM/Clang. llvm-svn: 164563
2012-09-25 06:25:51 +08:00
#include "clang/AST/ASTContext.h"
Updated to latest LLVM. Major LLVM changes: - Sema is now exported (and there was much rejoicing.) - Storage classes are now centrally defined. Also fixed some bugs that the new LLVM picked up. llvm-svn: 114622
2010-09-23 11:01:22 +08:00
#include "clang/AST/DeclarationName.h"
Improved logging and cleaned up a redundant return statement. Now when ClangExpressionDeclMap returns a variable for a name, it pretty-prints that variable to the log instead of printing a (fairly useless) NamedDecl pointer. llvm-svn: 117972
2010-11-02 07:22:47 +08:00
#include "clang/AST/Decl.h"
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
#include "lldb/lldb-private.h"
#include "lldb/Core/Address.h"
Wrote the code that looks at a context to see if the variables in that context allow a particular JIT compiled expression to run in that context. llvm-svn: 108485
2010-07-16 08:09:46 +08:00
#include "lldb/Core/Error.h"
Updated the expression parser to use proper logging when looking for external variables. Also cleaned up the log messages coming from the DWARF interpreter. llvm-svn: 106613
2010-06-23 08:47:48 +08:00
#include "lldb/Core/Log.h"
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
#include "lldb/Core/Module.h"
<rdar://problem/14496092> Fixed an issue with reexported symbols on MacOSX by adding support for symbols re-exporting symbols. There is now a new symbol type eSymbolTypeReExported which contains a new name for the re-exported symbol and the new shared library. These symbols are only used when a symbol is re-exported as a symbol under a different name. Modified the expression parser to be able to deal with finding the re-exported symbols and track down the actual symbol it refers to. llvm-svn: 193101
2013-10-22 02:40:51 +08:00
#include "lldb/Core/ModuleSpec.h"
While implementing unwind information using UnwindAssemblyInstEmulation I ran into some cleanup I have been wanting to do when reading/writing registers. Previously all RegisterContext subclasses would need to implement: virtual bool ReadRegisterBytes (uint32_t reg, DataExtractor &data); virtual bool WriteRegisterBytes (uint32_t reg, DataExtractor &data, uint32_t data_offset = 0); There is now a new class specifically designed to hold register values: lldb_private::RegisterValue The new register context calls that subclasses must implement are: virtual bool ReadRegister (const RegisterInfo *reg_info, RegisterValue &reg_value) = 0; virtual bool WriteRegister (const RegisterInfo *reg_info, const RegisterValue &reg_value) = 0; The RegisterValue class must be big enough to handle any register value. The class contains an enumeration for the value type, and then a union for the data value. Any integer/float values are stored directly in an appropriate host integer/float. Anything bigger is stored in a byte buffer that has a length and byte order. The RegisterValue class also knows how to copy register value bytes into in a buffer with a specified byte order which can be used to write the register value down into memory, and this does the right thing when not all bytes from the register values are needed (getting a uint8 from a uint32 register value..). All RegiterContext and other sources have been switched over to using the new regiter value class. llvm-svn: 131096
2011-05-10 04:18:18 +08:00
#include "lldb/Core/RegisterValue.h"
Implemented a feature where the expression parser can avoid running the code in the target if the expression's result is known and the expression has no side effects. Right now this feature is quite conservative in its guess about side effects, and it only computes integer results, but the machinery to make it more sophisticated is there. llvm-svn: 121952
2010-12-16 11:17:46 +08:00
#include "lldb/Core/ValueObjectConstResult.h"
Two fixes for file variables: - Even if a frame isn't present, we always try to use FindGlobalVariable to find variables. Instead of using frame->TrackGlobalVariable() to promote the VariableSP into a ValueObject, we now simply use ValueObjectVariable. - When requesting the value of a variable, we allow returning of the "live version" of the variable -- that is, the variable in the target instead of a pointer to its freeze dried version in LLDB -- even if there is no process present. llvm-svn: 146315
2011-12-10 11:12:34 +08:00
#include "lldb/Core/ValueObjectVariable.h"
Added a new class, ASTDumper, that provides verbose diagnostics of Clang AST classes for the purpose of debugging the types LLDB produces for DWARF objects. The ASTDumper is currently only used in log output if you enable verbose mode in the expression log: log enable -v lldb expr Its output then appears in the log for external variables used by the expr command. llvm-svn: 124703
2011-02-02 07:43:26 +08:00
#include "lldb/Expression/ASTDumper.h"
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
#include "lldb/Expression/ClangASTSource.h"
Added support for persistent variables to the expression parser. It is now possible to type: (lldb) expr int $i = 5; $i + 1 (int) 6 (lldb) expr $i + 2 (int) 7 The skeleton for automatic result variables is also implemented. The changes affect: - the process, which now contains a ClangPersistentVariables object that holds persistent variables associated with it - the expression parser, which now uses the persistent variables during variable lookup - TaggedASTType, where I loaded some commonly used tags into a header so that they are interchangeable between different clients of the class llvm-svn: 110777
2010-08-11 11:57:18 +08:00
#include "lldb/Expression/ClangPersistentVariables.h"
Added a Materializer class that contains information about each variable that needs to be materialized for an expression to work. The next step is to migrate all materialization code from ClangExpressionDeclMap to Materializer, and to use it for variable materialization. llvm-svn: 179245
2013-04-11 08:09:05 +08:00
#include "lldb/Expression/Materializer.h"
Endian patch from Kirk Beitz that allows better cross platform building. llvm-svn: 124643
2011-02-01 09:31:41 +08:00
#include "lldb/Host/Endian.h"
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
#include "lldb/Symbol/ClangASTContext.h"
Modified the lldb_private::Type clang type resolving code to handle three cases when getting the clang type: - need only a forward declaration - need a clang type that can be used for layout (members and args/return types) - need a full clang type This allows us to partially parse the clang types and be as lazy as possible. The first case is when we just need to declare a type and we will complete it later. The forward declaration happens only for class/union/structs and enums. The layout type allows us to resolve the full clang type _except_ if we have any modifiers on a pointer or reference (both R and L value). In this case when we are adding members or function args or return types, we only need to know how the type will be laid out and we can defer completing the pointee type until we later need it. The last type means we need a full definition for the clang type. Did some renaming of some enumerations to get rid of the old "DC" prefix (which stands for DebugCore which is no longer around). Modified the clang namespace support to be almost ready to be fed to the expression parser. I made a new ClangNamespaceDecl class that can carry around the AST and the namespace decl so we can copy it into the expression AST. I modified the symbol vendor and symbol file plug-ins to use this new class. llvm-svn: 118976
2010-11-13 11:52:47 +08:00
#include "lldb/Symbol/ClangNamespaceDecl.h"
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
#include "lldb/Symbol/CompileUnit.h"
#include "lldb/Symbol/Function.h"
#include "lldb/Symbol/ObjectFile.h"
#include "lldb/Symbol/SymbolContext.h"
Implemented a namespace map that allows searching of namespaces (only in the modules where they've been found) for entities inside those namespaces. For each NamespaceDecl that has been imported into the parser, we maintain a map containing [ModuleSP, ClangNamespaceDecl] pairs in the ASTImporter. This map has one entry for each module in which the namespace has been found. When we later scan for an entity inside a namespace, we search only the modules in which that namespace was found. Also made a small whitespace fix in ClangExpressionParser.cpp. llvm-svn: 141748
2011-10-12 08:12:34 +08:00
#include "lldb/Symbol/SymbolVendor.h"
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
#include "lldb/Symbol/Type.h"
#include "lldb/Symbol/TypeList.h"
#include "lldb/Symbol/Variable.h"
#include "lldb/Symbol/VariableList.h"
Added functionality to dematerialize values that were used by the JIT compiled expression, including the result of the expression. Also added a new class, ASTType, which encapsulates an opaque Clang type and its associated AST context. Refactored ClangExpressionDeclMap to use ASTTypes, significantly reducing the possibility of mixups of types from different AST contexts. llvm-svn: 108965
2010-07-21 07:31:16 +08:00
#include "lldb/Target/ExecutionContext.h"
In cases where the Objective-C ivar symbols are stripped out, expressions that refer to ivars will not work because Clang emits IR that refers to them to get the ivar offsets. However, it is possible to search the runtime for these values. I have added support for reading the relevant tables to the Objective-C runtime, and extended ClangExpressionDeclMap to query that information if and only if it doesn't find the symbols in the binary. Also added a testcase. <rdar://problem/12628122> llvm-svn: 168018
2012-11-15 10:02:04 +08:00
#include "lldb/Target/ObjCLanguageRuntime.h"
Wrote the code that looks at a context to see if the variables in that context allow a particular JIT compiled expression to run in that context. llvm-svn: 108485
2010-07-16 08:09:46 +08:00
#include "lldb/Target/Process.h"
Added support for (de)materializing values in registers, so that expressions can use them. llvm-svn: 115658
2010-10-06 04:18:48 +08:00
#include "lldb/Target/RegisterContext.h"
Roll back the changes I made in r193907 which created a new Frame pure virtual base class and made StackFrame a subclass of that. As I started to build on top of that arrangement today, I found that it wasn't working out like I intended. Instead I'll try sticking with the single StackFrame class -- there's too much code duplication to make a more complicated class hierarchy sensible I think. llvm-svn: 193983
2013-11-04 17:33:30 +08:00
#include "lldb/Target/StackFrame.h"
Added functionality to dematerialize values that were used by the JIT compiled expression, including the result of the expression. Also added a new class, ASTType, which encapsulates an opaque Clang type and its associated AST context. Refactored ClangExpressionDeclMap to use ASTTypes, significantly reducing the possibility of mixups of types from different AST contexts. llvm-svn: 108965
2010-07-21 07:31:16 +08:00
#include "lldb/Target/Target.h"
Handle the case where you make a ClangExpressionDeclMap without a selected frame. llvm-svn: 121099
2010-12-07 09:56:02 +08:00
#include "lldb/Target/Thread.h"
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
Just like functions can have a basename and a mangled/demangled name, variable can too. So now the lldb_private::Variable class has support for this. Variables now have support for having a basename ("i"), and a mangled name ("_ZN12_GLOBAL__N_11iE"), and a demangled name ("(anonymous namespace)::i"). Nowwhen searching for a variable by name, users might enter the fully qualified name, or just the basename. So new test functions were added to the Variable and Mangled classes as: bool NameMatches (const ConstString &name); bool NameMatches (const RegularExpression &regex); I also modified "ClangExpressionDeclMap::FindVariableInScope" to also search for global variables that are not in the current file scope by first starting with the current module, then moving on to all modules. Fixed an issue in the DWARF parser that could cause a varaible to get parsed more than once. Now, once we have parsed a VariableSP for a DIE, we cache the result even if a variable wasn't made so we don't do any re-parsing. Some DW_TAG_variable DIEs don't have locations, or are missing vital info that stops a debugger from being able to display anything for it, we parse a NULL variable shared pointer for these DIEs so we don't keep trying to reparse it. llvm-svn: 119085
2010-11-15 06:13:40 +08:00
using namespace lldb;
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
using namespace lldb_private;
using namespace clang;
I moved the responsibility for interacting with the AST importer on completing namespace mappings from ClangExpressionDeclMap to ClangASTSource. ClangASTSource now contains a TargetSP which it uses to lookup namespaces in all of a target's modules. I will use the TargetSP in the future to look up globals. llvm-svn: 143275
2011-10-29 09:58:46 +08:00
ClangExpressionDeclMap::ClangExpressionDeclMap (bool keep_result_in_memory, ExecutionContext &exe_ctx) :
ClangASTSource (exe_ctx.GetTargetSP()),
Made many ConstString functions inlined in the header file. Changed all of our synthesized "___clang" functions, types and variables that get used in expressions over to have a prefix of "$_lldb". Now when we do name lookups we can easily switch off of the first '$' character to know if we should look through only our internal (when first char is '$') stuff, or when we should look through program variables, functions and types. Converted all of the clang expression code over to using "const ConstString&" values for names instead of "const char *" since there were many places that were converting the "const char *" names into ConstString names and them throwing them away. We now avoid making a lot of ConstString conversions and benefit from the quick comparisons in a few extra spots. Converted a lot of code from LLVM coding conventions into LLDB coding conventions. llvm-svn: 116634
2010-10-16 06:48:33 +08:00
m_found_entities (),
m_struct_members (),
Order of initialization lists. This patch fixes all of the warnings due to unordered initialization lists. Patch by Marco Minutoli. llvm-svn: 129290
2011-04-12 03:41:40 +08:00
m_keep_result_in_memory (keep_result_in_memory),
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
m_parser_vars (),
Order of initialization lists. This patch fixes all of the warnings due to unordered initialization lists. Patch by Marco Minutoli. llvm-svn: 129290
2011-04-12 03:41:40 +08:00
m_struct_vars ()
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
{
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
EnableStructVars();
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
}
ClangExpressionDeclMap::~ClangExpressionDeclMap()
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
{
Extended the lifetime of Clang parser objects to the lifetime of ClangExpressionDeclMap. This allows ClangExpressionVariables found during parsing to be queried for their containing namespaces during expression execution. Other clients (like ClangFunction) explicitly delete this state, so they should not result in any memory leaks. llvm-svn: 141821
2011-10-13 06:20:02 +08:00
// Note: The model is now that the parser's AST context and all associated
// data does not vanish until the expression has been executed. This means
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
// that valuable lookup data (like namespaces) doesn't vanish, but
Extended the lifetime of Clang parser objects to the lifetime of ClangExpressionDeclMap. This allows ClangExpressionVariables found during parsing to be queried for their containing namespaces during expression execution. Other clients (like ClangFunction) explicitly delete this state, so they should not result in any memory leaks. llvm-svn: 141821
2011-10-13 06:20:02 +08:00
DidParse();
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
DisableStructVars();
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
bool
Added a Materializer class that contains information about each variable that needs to be materialized for an expression to work. The next step is to migrate all materialization code from ClangExpressionDeclMap to Materializer, and to use it for variable materialization. llvm-svn: 179245
2013-04-11 08:09:05 +08:00
ClangExpressionDeclMap::WillParse(ExecutionContext &exe_ctx,
Materializer *materializer)
Added very lightweight, statically-allocated counters for a variety of metrics associated with expression parsing. This should give some idea of how much work the expression parser is doing on Clang's behalf, and help with hopefully reducing that load over time. <rdar://problem/13210748> Audit type search/import for expressions llvm-svn: 176714
2013-03-09 04:04:57 +08:00
{
ClangASTMetrics::ClearLocalCounters();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
EnableParserVars();
Fixed a bunch of ownership problems with the expression parser. Specifically: - ClangUserExpression now keeps weak pointers to the structures it needs and then locks them when needed. This ensures that they continue to be valid without leaking memory if the ClangUserExpression is long lived. - ClangExpressionDeclMap, instead of keeping a pointer to an ExecutionContext, now contains an ExecutionContext. This prevents bugs if the pointer or its contents somehow become stale. It also no longer requires that ExecutionContexts be passed into any function except its initialization function, since it can count on the ExecutionContext still being around. There's a lot of room for improvement (specifically, ClangExpressionDeclMap should also use weak pointers insetad of shared pointers) but this is an important first step that codifies assumptions that already existed in the code. llvm-svn: 150217
2012-02-10 09:22:05 +08:00
m_parser_vars->m_exe_ctx = exe_ctx;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Converted the lldb_private::Process over to use the intrusive shared pointers. Changed the ExecutionContext over to use shared pointers for the target, process, thread and frame since these objects can easily go away at any time and any object that was holding onto an ExecutionContext was running the risk of using a bad object. Now that the shared pointers for target, process, thread and frame are just a single pointer (they all use the instrusive shared pointers) the execution context is much safer and still the same size. Made the shared pointers in the the ExecutionContext class protected and made accessors for all of the various ways to get at the pointers, references, and shared pointers. llvm-svn: 140298
2011-09-22 12:58:26 +08:00
Target *target = exe_ctx.GetTargetPtr();
if (exe_ctx.GetFramePtr())
m_parser_vars->m_sym_ctx = exe_ctx.GetFramePtr()->GetSymbolContext(lldb::eSymbolContextEverything);
Hardening in case a thread's frames are missing. <rdar://problem/13254824> llvm-svn: 175806
2013-02-22 06:01:43 +08:00
else if (exe_ctx.GetThreadPtr() && exe_ctx.GetThreadPtr()->GetStackFrameAtIndex(0))
Converted the lldb_private::Process over to use the intrusive shared pointers. Changed the ExecutionContext over to use shared pointers for the target, process, thread and frame since these objects can easily go away at any time and any object that was holding onto an ExecutionContext was running the risk of using a bad object. Now that the shared pointers for target, process, thread and frame are just a single pointer (they all use the instrusive shared pointers) the execution context is much safer and still the same size. Made the shared pointers in the the ExecutionContext class protected and made accessors for all of the various ways to get at the pointers, references, and shared pointers. llvm-svn: 140298
2011-09-22 12:58:26 +08:00
m_parser_vars->m_sym_ctx = exe_ctx.GetThreadPtr()->GetStackFrameAtIndex(0)->GetSymbolContext(lldb::eSymbolContextEverything);
else if (exe_ctx.GetProcessPtr())
Adopt the intrusive pointers in: lldb_private::Breakpoint lldb_private::BreakpointLocations lldb_private::BreakpointSite lldb_private::Debugger lldb_private::StackFrame lldb_private::Thread lldb_private::Target llvm-svn: 139985
2011-09-17 16:33:22 +08:00
{
<rdar://problem/13265297> StackFrame assumes m_sc is additive, but m_sc can lose its target. So now the SymbolContext::Clear() method takes a bool that indicates if the target should be cleared. Modified all existing code to properly set the bool argument. llvm-svn: 175953
2013-02-23 12:12:47 +08:00
m_parser_vars->m_sym_ctx.Clear(true);
Converted the lldb_private::Process over to use the intrusive shared pointers. Changed the ExecutionContext over to use shared pointers for the target, process, thread and frame since these objects can easily go away at any time and any object that was holding onto an ExecutionContext was running the risk of using a bad object. Now that the shared pointers for target, process, thread and frame are just a single pointer (they all use the instrusive shared pointers) the execution context is much safer and still the same size. Made the shared pointers in the the ExecutionContext class protected and made accessors for all of the various ways to get at the pointers, references, and shared pointers. llvm-svn: 140298
2011-09-22 12:58:26 +08:00
m_parser_vars->m_sym_ctx.target_sp = exe_ctx.GetTargetSP();
Adopt the intrusive pointers in: lldb_private::Breakpoint lldb_private::BreakpointLocations lldb_private::BreakpointSite lldb_private::Debugger lldb_private::StackFrame lldb_private::Thread lldb_private::Target llvm-svn: 139985
2011-09-17 16:33:22 +08:00
}
Converted the lldb_private::Process over to use the intrusive shared pointers. Changed the ExecutionContext over to use shared pointers for the target, process, thread and frame since these objects can easily go away at any time and any object that was holding onto an ExecutionContext was running the risk of using a bad object. Now that the shared pointers for target, process, thread and frame are just a single pointer (they all use the instrusive shared pointers) the execution context is much safer and still the same size. Made the shared pointers in the the ExecutionContext class protected and made accessors for all of the various ways to get at the pointers, references, and shared pointers. llvm-svn: 140298
2011-09-22 12:58:26 +08:00
else if (target)
Adopt the intrusive pointers in: lldb_private::Breakpoint lldb_private::BreakpointLocations lldb_private::BreakpointSite lldb_private::Debugger lldb_private::StackFrame lldb_private::Thread lldb_private::Target llvm-svn: 139985
2011-09-17 16:33:22 +08:00
{
<rdar://problem/13265297> StackFrame assumes m_sc is additive, but m_sc can lose its target. So now the SymbolContext::Clear() method takes a bool that indicates if the target should be cleared. Modified all existing code to properly set the bool argument. llvm-svn: 175953
2013-02-23 12:12:47 +08:00
m_parser_vars->m_sym_ctx.Clear(true);
Converted the lldb_private::Process over to use the intrusive shared pointers. Changed the ExecutionContext over to use shared pointers for the target, process, thread and frame since these objects can easily go away at any time and any object that was holding onto an ExecutionContext was running the risk of using a bad object. Now that the shared pointers for target, process, thread and frame are just a single pointer (they all use the instrusive shared pointers) the execution context is much safer and still the same size. Made the shared pointers in the the ExecutionContext class protected and made accessors for all of the various ways to get at the pointers, references, and shared pointers. llvm-svn: 140298
2011-09-22 12:58:26 +08:00
m_parser_vars->m_sym_ctx.target_sp = exe_ctx.GetTargetSP();
Adopt the intrusive pointers in: lldb_private::Breakpoint lldb_private::BreakpointLocations lldb_private::BreakpointSite lldb_private::Debugger lldb_private::StackFrame lldb_private::Thread lldb_private::Target llvm-svn: 139985
2011-09-17 16:33:22 +08:00
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Converted the lldb_private::Process over to use the intrusive shared pointers. Changed the ExecutionContext over to use shared pointers for the target, process, thread and frame since these objects can easily go away at any time and any object that was holding onto an ExecutionContext was running the risk of using a bad object. Now that the shared pointers for target, process, thread and frame are just a single pointer (they all use the instrusive shared pointers) the execution context is much safer and still the same size. Made the shared pointers in the the ExecutionContext class protected and made accessors for all of the various ways to get at the pointers, references, and shared pointers. llvm-svn: 140298
2011-09-22 12:58:26 +08:00
if (target)
{
m_parser_vars->m_persistent_vars = &target->GetPersistentVariables();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Converted the lldb_private::Process over to use the intrusive shared pointers. Changed the ExecutionContext over to use shared pointers for the target, process, thread and frame since these objects can easily go away at any time and any object that was holding onto an ExecutionContext was running the risk of using a bad object. Now that the shared pointers for target, process, thread and frame are just a single pointer (they all use the instrusive shared pointers) the execution context is much safer and still the same size. Made the shared pointers in the the ExecutionContext class protected and made accessors for all of the various ways to get at the pointers, references, and shared pointers. llvm-svn: 140298
2011-09-22 12:58:26 +08:00
if (!target->GetScratchClangASTContext())
return false;
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
m_parser_vars->m_target_info = GetTargetInfo();
Added a Materializer class that contains information about each variable that needs to be materialized for an expression to work. The next step is to migrate all materialization code from ClangExpressionDeclMap to Materializer, and to use it for variable materialization. llvm-svn: 179245
2013-04-11 08:09:05 +08:00
m_parser_vars->m_materializer = materializer;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added checking to make sure that the target has a scratch AST context before attempting to parse. llvm-svn: 136631
2011-08-02 02:18:33 +08:00
return true;
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
}
Fixed a problem where function calls on i386 weren't being generated correctly. Also added a messy way to single-step through expressions that I will improve soon. llvm-svn: 117342
2010-10-26 08:31:56 +08:00
Added a Materializer class that contains information about each variable that needs to be materialized for an expression to work. The next step is to migrate all materialization code from ClangExpressionDeclMap to Materializer, and to use it for variable materialization. llvm-svn: 179245
2013-04-11 08:09:05 +08:00
void
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
ClangExpressionDeclMap::DidParse()
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
{
<rdar://problem/13521159> LLDB is crashing when logging is enabled from lldb-perf-clang. This has to do with the global destructor chain as the process and its threads are being torn down. All logging channels now make one and only one instance that is kept in a global pointer which is never freed. This guarantees that logging can correctly continue as the process tears itself down. llvm-svn: 178191
2013-03-28 07:08:40 +08:00
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
Added very lightweight, statically-allocated counters for a variety of metrics associated with expression parsing. This should give some idea of how much work the expression parser is doing on Clang's behalf, and help with hopefully reducing that load over time. <rdar://problem/13210748> Audit type search/import for expressions llvm-svn: 176714
2013-03-09 04:04:57 +08:00
if (log)
ClangASTMetrics::DumpCounters(log);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
if (m_parser_vars.get())
{
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
for (size_t entity_index = 0, num_entities = m_found_entities.GetSize();
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
entity_index < num_entities;
++entity_index)
{
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
ClangExpressionVariableSP var_sp(m_found_entities.GetVariableAtIndex(entity_index));
Bunch of cleanups for warnings found by the llvm static analyzer. llvm-svn: 165808
2012-10-13 01:34:26 +08:00
if (var_sp)
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
var_sp->DisableParserVars(GetParserID());
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
for (size_t pvar_index = 0, num_pvars = m_parser_vars->m_persistent_vars->GetSize();
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
pvar_index < num_pvars;
++pvar_index)
{
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
ClangExpressionVariableSP pvar_sp(m_parser_vars->m_persistent_vars->GetVariableAtIndex(pvar_index));
if (pvar_sp)
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
pvar_sp->DisableParserVars(GetParserID());
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
DisableParserVars();
Added extra logging, and made sure that the argument struct for expressions is deallocated when the ClangExpressionDeclMap is taken down. llvm-svn: 116028
2010-10-08 09:58:41 +08:00
}
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
}
"expr -i" now performs the required transforms to prepare the IR for JIT compilation. We still need to do the JIT compilation and move the arguments in/out of target memory. llvm-svn: 108279
2010-07-14 05:41:46 +08:00
// Interface for IRForTarget
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
ClangExpressionDeclMap::TargetInfo
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
ClangExpressionDeclMap::GetTargetInfo()
{
assert (m_parser_vars.get());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
TargetInfo ret;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed a bunch of ownership problems with the expression parser. Specifically: - ClangUserExpression now keeps weak pointers to the structures it needs and then locks them when needed. This ensures that they continue to be valid without leaking memory if the ClangUserExpression is long lived. - ClangExpressionDeclMap, instead of keeping a pointer to an ExecutionContext, now contains an ExecutionContext. This prevents bugs if the pointer or its contents somehow become stale. It also no longer requires that ExecutionContexts be passed into any function except its initialization function, since it can count on the ExecutionContext still being around. There's a lot of room for improvement (specifically, ClangExpressionDeclMap should also use weak pointers insetad of shared pointers) but this is an important first step that codifies assumptions that already existed in the code. llvm-svn: 150217
2012-02-10 09:22:05 +08:00
ExecutionContext &exe_ctx = m_parser_vars->m_exe_ctx;
Process *process = exe_ctx.GetProcessPtr();
if (process)
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
{
Fixed a bunch of ownership problems with the expression parser. Specifically: - ClangUserExpression now keeps weak pointers to the structures it needs and then locks them when needed. This ensures that they continue to be valid without leaking memory if the ClangUserExpression is long lived. - ClangExpressionDeclMap, instead of keeping a pointer to an ExecutionContext, now contains an ExecutionContext. This prevents bugs if the pointer or its contents somehow become stale. It also no longer requires that ExecutionContexts be passed into any function except its initialization function, since it can count on the ExecutionContext still being around. There's a lot of room for improvement (specifically, ClangExpressionDeclMap should also use weak pointers insetad of shared pointers) but this is an important first step that codifies assumptions that already existed in the code. llvm-svn: 150217
2012-02-10 09:22:05 +08:00
ret.byte_order = process->GetByteOrder();
ret.address_byte_size = process->GetAddressByteSize();
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
else
Fixed a bunch of ownership problems with the expression parser. Specifically: - ClangUserExpression now keeps weak pointers to the structures it needs and then locks them when needed. This ensures that they continue to be valid without leaking memory if the ClangUserExpression is long lived. - ClangExpressionDeclMap, instead of keeping a pointer to an ExecutionContext, now contains an ExecutionContext. This prevents bugs if the pointer or its contents somehow become stale. It also no longer requires that ExecutionContexts be passed into any function except its initialization function, since it can count on the ExecutionContext still being around. There's a lot of room for improvement (specifically, ClangExpressionDeclMap should also use weak pointers insetad of shared pointers) but this is an important first step that codifies assumptions that already existed in the code. llvm-svn: 150217
2012-02-10 09:22:05 +08:00
{
Target *target = exe_ctx.GetTargetPtr();
if (target)
Converted the lldb_private::Process over to use the intrusive shared pointers. Changed the ExecutionContext over to use shared pointers for the target, process, thread and frame since these objects can easily go away at any time and any object that was holding onto an ExecutionContext was running the risk of using a bad object. Now that the shared pointers for target, process, thread and frame are just a single pointer (they all use the instrusive shared pointers) the execution context is much safer and still the same size. Made the shared pointers in the the ExecutionContext class protected and made accessors for all of the various ways to get at the pointers, references, and shared pointers. llvm-svn: 140298
2011-09-22 12:58:26 +08:00
{
Fixed a bunch of ownership problems with the expression parser. Specifically: - ClangUserExpression now keeps weak pointers to the structures it needs and then locks them when needed. This ensures that they continue to be valid without leaking memory if the ClangUserExpression is long lived. - ClangExpressionDeclMap, instead of keeping a pointer to an ExecutionContext, now contains an ExecutionContext. This prevents bugs if the pointer or its contents somehow become stale. It also no longer requires that ExecutionContexts be passed into any function except its initialization function, since it can count on the ExecutionContext still being around. There's a lot of room for improvement (specifically, ClangExpressionDeclMap should also use weak pointers insetad of shared pointers) but this is an important first step that codifies assumptions that already existed in the code. llvm-svn: 150217
2012-02-10 09:22:05 +08:00
ret.byte_order = target->GetArchitecture().GetByteOrder();
ret.address_byte_size = target->GetArchitecture().GetAddressByteSize();
Converted the lldb_private::Process over to use the intrusive shared pointers. Changed the ExecutionContext over to use shared pointers for the target, process, thread and frame since these objects can easily go away at any time and any object that was holding onto an ExecutionContext was running the risk of using a bad object. Now that the shared pointers for target, process, thread and frame are just a single pointer (they all use the instrusive shared pointers) the execution context is much safer and still the same size. Made the shared pointers in the the ExecutionContext class protected and made accessors for all of the various ways to get at the pointers, references, and shared pointers. llvm-svn: 140298
2011-09-22 12:58:26 +08:00
}
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
}
Fixed a bunch of ownership problems with the expression parser. Specifically: - ClangUserExpression now keeps weak pointers to the structures it needs and then locks them when needed. This ensures that they continue to be valid without leaking memory if the ClangUserExpression is long lived. - ClangExpressionDeclMap, instead of keeping a pointer to an ExecutionContext, now contains an ExecutionContext. This prevents bugs if the pointer or its contents somehow become stale. It also no longer requires that ExecutionContexts be passed into any function except its initialization function, since it can count on the ExecutionContext still being around. There's a lot of room for improvement (specifically, ClangExpressionDeclMap should also use weak pointers insetad of shared pointers) but this is an important first step that codifies assumptions that already existed in the code. llvm-svn: 150217
2012-02-10 09:22:05 +08:00
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return ret;
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
bool
ClangExpressionDeclMap::AddPersistentVariable
Made many ConstString functions inlined in the header file. Changed all of our synthesized "___clang" functions, types and variables that get used in expressions over to have a prefix of "$_lldb". Now when we do name lookups we can easily switch off of the first '$' character to know if we should look through only our internal (when first char is '$') stuff, or when we should look through program variables, functions and types. Converted all of the clang expression code over to using "const ConstString&" values for names instead of "const char *" since there were many places that were converting the "const char *" names into ConstString names and them throwing them away. We now avoid making a lot of ConstString conversions and benefit from the quick comparisons in a few extra spots. Converted a lot of code from LLVM coding conventions into LLDB coding conventions. llvm-svn: 116634
2010-10-16 06:48:33 +08:00
(
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
const NamedDecl *decl,
const ConstString &name,
Implemented a major overhaul of the way variables are handled by LLDB. Instead of being materialized into the input structure passed to the expression, variables are left in place and pointers to them are materialzied into the structure. Variables not resident in memory (notably, registers) get temporary memory regions allocated for them. Persistent variables are the most complex part of this, because they are made in various ways and there are different expectations about their lifetime. Persistent variables now have flags indicating their status and what the expectations for longevity are. They can be marked as residing in target memory permanently -- this is the default for result variables from expressions entered on the command line and for explicitly declared persistent variables (but more on that below). Other result variables have their memory freed. Some major improvements resulting from this include being able to properly take the address of variables, better and cleaner support for functions that return references, and cleaner C++ support in general. One problem that remains is the problem of explicitly declared persistent variables; I have not yet implemented the code that makes references to them into indirect references, so currently materialization and dematerialization of these variables is broken. llvm-svn: 123371
2011-01-13 16:53:35 +08:00
TypeFromParser parser_type,
bool is_result,
bool is_lvalue
Made many ConstString functions inlined in the header file. Changed all of our synthesized "___clang" functions, types and variables that get used in expressions over to have a prefix of "$_lldb". Now when we do name lookups we can easily switch off of the first '$' character to know if we should look through only our internal (when first char is '$') stuff, or when we should look through program variables, functions and types. Converted all of the clang expression code over to using "const ConstString&" values for names instead of "const char *" since there were many places that were converting the "const char *" names into ConstString names and them throwing them away. We now avoid making a lot of ConstString conversions and benefit from the quick comparisons in a few extra spots. Converted a lot of code from LLVM coding conventions into LLDB coding conventions. llvm-svn: 116634
2010-10-16 06:48:33 +08:00
)
Added support for persistent variables to the expression parser. It is now possible to type: (lldb) expr int $i = 5; $i + 1 (int) 6 (lldb) expr $i + 2 (int) 7 The skeleton for automatic result variables is also implemented. The changes affect: - the process, which now contains a ClangPersistentVariables object that holds persistent variables associated with it - the expression parser, which now uses the persistent variables during variable lookup - TaggedASTType, where I loaded some commonly used tags into a header so that they are interchangeable between different clients of the class llvm-svn: 110777
2010-08-11 11:57:18 +08:00
{
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
assert (m_parser_vars.get());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
This commit changes the way LLDB executes user expressions. Previously, ClangUserExpression assumed that if there was a constant result for an expression then it could be determined during parsing. In particular, the IRInterpreter ran while parser state (in particular, ClangExpressionDeclMap) was present. This approach is flawed, because the IRInterpreter actually is capable of using external variables, and hence the result might be different each run. Until now, we papered over this flaw by re-parsing the expression each time we ran it. I have rewritten the IRInterpreter to be completely independent of the ClangExpressionDeclMap. Instead of special-casing external variable lookup, which ties the IRInterpreter closely to LLDB, we now interpret the exact same IR that the JIT would see. This IR assumes that materialization has occurred; hence the recent implementation of the Materializer, which does not require parser state (in the form of ClangExpressionDeclMap) to be present. Materialization, interpretation, and dematerialization are now all independent of parsing. This means that in theory we can parse expressions once and run them many times. I have three outstanding tasks before shutting this down: - First, I will ensure that all of this works with core files. Core files have a Process but do not allow allocating memory, which currently confuses materialization. - Second, I will make expression breakpoint conditions remember their ClangUserExpression and re-use it. - Third, I will tear out all the redundant code (for example, materialization logic in ClangExpressionDeclMap) that is no longer used. While implementing this fix, I also found a bug in IRForTarget's handling of floating-point constants. This should be fixed. llvm-svn: 179801
2013-04-19 06:06:33 +08:00
if (m_parser_vars->m_materializer && is_result)
{
Error err;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
This commit changes the way LLDB executes user expressions. Previously, ClangUserExpression assumed that if there was a constant result for an expression then it could be determined during parsing. In particular, the IRInterpreter ran while parser state (in particular, ClangExpressionDeclMap) was present. This approach is flawed, because the IRInterpreter actually is capable of using external variables, and hence the result might be different each run. Until now, we papered over this flaw by re-parsing the expression each time we ran it. I have rewritten the IRInterpreter to be completely independent of the ClangExpressionDeclMap. Instead of special-casing external variable lookup, which ties the IRInterpreter closely to LLDB, we now interpret the exact same IR that the JIT would see. This IR assumes that materialization has occurred; hence the recent implementation of the Materializer, which does not require parser state (in the form of ClangExpressionDeclMap) to be present. Materialization, interpretation, and dematerialization are now all independent of parsing. This means that in theory we can parse expressions once and run them many times. I have three outstanding tasks before shutting this down: - First, I will ensure that all of this works with core files. Core files have a Process but do not allow allocating memory, which currently confuses materialization. - Second, I will make expression breakpoint conditions remember their ClangUserExpression and re-use it. - Third, I will tear out all the redundant code (for example, materialization logic in ClangExpressionDeclMap) that is no longer used. While implementing this fix, I also found a bug in IRForTarget's handling of floating-point constants. This should be fixed. llvm-svn: 179801
2013-04-19 06:06:33 +08:00
ExecutionContext &exe_ctx = m_parser_vars->m_exe_ctx;
Target *target = exe_ctx.GetTargetPtr();
if (target == NULL)
return false;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
This commit changes the way LLDB executes user expressions. Previously, ClangUserExpression assumed that if there was a constant result for an expression then it could be determined during parsing. In particular, the IRInterpreter ran while parser state (in particular, ClangExpressionDeclMap) was present. This approach is flawed, because the IRInterpreter actually is capable of using external variables, and hence the result might be different each run. Until now, we papered over this flaw by re-parsing the expression each time we ran it. I have rewritten the IRInterpreter to be completely independent of the ClangExpressionDeclMap. Instead of special-casing external variable lookup, which ties the IRInterpreter closely to LLDB, we now interpret the exact same IR that the JIT would see. This IR assumes that materialization has occurred; hence the recent implementation of the Materializer, which does not require parser state (in the form of ClangExpressionDeclMap) to be present. Materialization, interpretation, and dematerialization are now all independent of parsing. This means that in theory we can parse expressions once and run them many times. I have three outstanding tasks before shutting this down: - First, I will ensure that all of this works with core files. Core files have a Process but do not allow allocating memory, which currently confuses materialization. - Second, I will make expression breakpoint conditions remember their ClangUserExpression and re-use it. - Third, I will tear out all the redundant code (for example, materialization logic in ClangExpressionDeclMap) that is no longer used. While implementing this fix, I also found a bug in IRForTarget's handling of floating-point constants. This should be fixed. llvm-svn: 179801
2013-04-19 06:06:33 +08:00
ASTContext *context(target->GetScratchClangASTContext()->getASTContext());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
This commit changes the way LLDB executes user expressions. Previously, ClangUserExpression assumed that if there was a constant result for an expression then it could be determined during parsing. In particular, the IRInterpreter ran while parser state (in particular, ClangExpressionDeclMap) was present. This approach is flawed, because the IRInterpreter actually is capable of using external variables, and hence the result might be different each run. Until now, we papered over this flaw by re-parsing the expression each time we ran it. I have rewritten the IRInterpreter to be completely independent of the ClangExpressionDeclMap. Instead of special-casing external variable lookup, which ties the IRInterpreter closely to LLDB, we now interpret the exact same IR that the JIT would see. This IR assumes that materialization has occurred; hence the recent implementation of the Materializer, which does not require parser state (in the form of ClangExpressionDeclMap) to be present. Materialization, interpretation, and dematerialization are now all independent of parsing. This means that in theory we can parse expressions once and run them many times. I have three outstanding tasks before shutting this down: - First, I will ensure that all of this works with core files. Core files have a Process but do not allow allocating memory, which currently confuses materialization. - Second, I will make expression breakpoint conditions remember their ClangUserExpression and re-use it. - Third, I will tear out all the redundant code (for example, materialization logic in ClangExpressionDeclMap) that is no longer used. While implementing this fix, I also found a bug in IRForTarget's handling of floating-point constants. This should be fixed. llvm-svn: 179801
2013-04-19 06:06:33 +08:00
TypeFromUser user_type(m_ast_importer->DeportType(context,
parser_type.GetASTContext(),
parser_type.GetOpaqueQualType()),
context);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
This commit changes the way LLDB executes user expressions. Previously, ClangUserExpression assumed that if there was a constant result for an expression then it could be determined during parsing. In particular, the IRInterpreter ran while parser state (in particular, ClangExpressionDeclMap) was present. This approach is flawed, because the IRInterpreter actually is capable of using external variables, and hence the result might be different each run. Until now, we papered over this flaw by re-parsing the expression each time we ran it. I have rewritten the IRInterpreter to be completely independent of the ClangExpressionDeclMap. Instead of special-casing external variable lookup, which ties the IRInterpreter closely to LLDB, we now interpret the exact same IR that the JIT would see. This IR assumes that materialization has occurred; hence the recent implementation of the Materializer, which does not require parser state (in the form of ClangExpressionDeclMap) to be present. Materialization, interpretation, and dematerialization are now all independent of parsing. This means that in theory we can parse expressions once and run them many times. I have three outstanding tasks before shutting this down: - First, I will ensure that all of this works with core files. Core files have a Process but do not allow allocating memory, which currently confuses materialization. - Second, I will make expression breakpoint conditions remember their ClangUserExpression and re-use it. - Third, I will tear out all the redundant code (for example, materialization logic in ClangExpressionDeclMap) that is no longer used. While implementing this fix, I also found a bug in IRForTarget's handling of floating-point constants. This should be fixed. llvm-svn: 179801
2013-04-19 06:06:33 +08:00
uint32_t offset = m_parser_vars->m_materializer->AddResultVariable(user_type, is_lvalue, m_keep_result_in_memory, err);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Actually use the return value we get back when creating a persistent variable, rather than making a (potentially expensive) lookup by name. <rdar://problem/14337653> llvm-svn: 186337
2013-07-16 02:43:36 +08:00
ClangExpressionVariableSP var_sp = m_found_entities.CreateVariable(exe_ctx.GetBestExecutionContextScope(),
name,
user_type,
m_parser_vars->m_target_info.byte_order,
m_parser_vars->m_target_info.address_byte_size);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
This commit changes the way LLDB executes user expressions. Previously, ClangUserExpression assumed that if there was a constant result for an expression then it could be determined during parsing. In particular, the IRInterpreter ran while parser state (in particular, ClangExpressionDeclMap) was present. This approach is flawed, because the IRInterpreter actually is capable of using external variables, and hence the result might be different each run. Until now, we papered over this flaw by re-parsing the expression each time we ran it. I have rewritten the IRInterpreter to be completely independent of the ClangExpressionDeclMap. Instead of special-casing external variable lookup, which ties the IRInterpreter closely to LLDB, we now interpret the exact same IR that the JIT would see. This IR assumes that materialization has occurred; hence the recent implementation of the Materializer, which does not require parser state (in the form of ClangExpressionDeclMap) to be present. Materialization, interpretation, and dematerialization are now all independent of parsing. This means that in theory we can parse expressions once and run them many times. I have three outstanding tasks before shutting this down: - First, I will ensure that all of this works with core files. Core files have a Process but do not allow allocating memory, which currently confuses materialization. - Second, I will make expression breakpoint conditions remember their ClangUserExpression and re-use it. - Third, I will tear out all the redundant code (for example, materialization logic in ClangExpressionDeclMap) that is no longer used. While implementing this fix, I also found a bug in IRForTarget's handling of floating-point constants. This should be fixed. llvm-svn: 179801
2013-04-19 06:06:33 +08:00
if (!var_sp)
return false;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
This commit changes the way LLDB executes user expressions. Previously, ClangUserExpression assumed that if there was a constant result for an expression then it could be determined during parsing. In particular, the IRInterpreter ran while parser state (in particular, ClangExpressionDeclMap) was present. This approach is flawed, because the IRInterpreter actually is capable of using external variables, and hence the result might be different each run. Until now, we papered over this flaw by re-parsing the expression each time we ran it. I have rewritten the IRInterpreter to be completely independent of the ClangExpressionDeclMap. Instead of special-casing external variable lookup, which ties the IRInterpreter closely to LLDB, we now interpret the exact same IR that the JIT would see. This IR assumes that materialization has occurred; hence the recent implementation of the Materializer, which does not require parser state (in the form of ClangExpressionDeclMap) to be present. Materialization, interpretation, and dematerialization are now all independent of parsing. This means that in theory we can parse expressions once and run them many times. I have three outstanding tasks before shutting this down: - First, I will ensure that all of this works with core files. Core files have a Process but do not allow allocating memory, which currently confuses materialization. - Second, I will make expression breakpoint conditions remember their ClangUserExpression and re-use it. - Third, I will tear out all the redundant code (for example, materialization logic in ClangExpressionDeclMap) that is no longer used. While implementing this fix, I also found a bug in IRForTarget's handling of floating-point constants. This should be fixed. llvm-svn: 179801
2013-04-19 06:06:33 +08:00
var_sp->EnableParserVars(GetParserID());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
This commit changes the way LLDB executes user expressions. Previously, ClangUserExpression assumed that if there was a constant result for an expression then it could be determined during parsing. In particular, the IRInterpreter ran while parser state (in particular, ClangExpressionDeclMap) was present. This approach is flawed, because the IRInterpreter actually is capable of using external variables, and hence the result might be different each run. Until now, we papered over this flaw by re-parsing the expression each time we ran it. I have rewritten the IRInterpreter to be completely independent of the ClangExpressionDeclMap. Instead of special-casing external variable lookup, which ties the IRInterpreter closely to LLDB, we now interpret the exact same IR that the JIT would see. This IR assumes that materialization has occurred; hence the recent implementation of the Materializer, which does not require parser state (in the form of ClangExpressionDeclMap) to be present. Materialization, interpretation, and dematerialization are now all independent of parsing. This means that in theory we can parse expressions once and run them many times. I have three outstanding tasks before shutting this down: - First, I will ensure that all of this works with core files. Core files have a Process but do not allow allocating memory, which currently confuses materialization. - Second, I will make expression breakpoint conditions remember their ClangUserExpression and re-use it. - Third, I will tear out all the redundant code (for example, materialization logic in ClangExpressionDeclMap) that is no longer used. While implementing this fix, I also found a bug in IRForTarget's handling of floating-point constants. This should be fixed. llvm-svn: 179801
2013-04-19 06:06:33 +08:00
ClangExpressionVariable::ParserVars *parser_vars = var_sp->GetParserVars(GetParserID());
parser_vars->m_named_decl = decl;
parser_vars->m_parser_type = parser_type;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
This commit changes the way LLDB executes user expressions. Previously, ClangUserExpression assumed that if there was a constant result for an expression then it could be determined during parsing. In particular, the IRInterpreter ran while parser state (in particular, ClangExpressionDeclMap) was present. This approach is flawed, because the IRInterpreter actually is capable of using external variables, and hence the result might be different each run. Until now, we papered over this flaw by re-parsing the expression each time we ran it. I have rewritten the IRInterpreter to be completely independent of the ClangExpressionDeclMap. Instead of special-casing external variable lookup, which ties the IRInterpreter closely to LLDB, we now interpret the exact same IR that the JIT would see. This IR assumes that materialization has occurred; hence the recent implementation of the Materializer, which does not require parser state (in the form of ClangExpressionDeclMap) to be present. Materialization, interpretation, and dematerialization are now all independent of parsing. This means that in theory we can parse expressions once and run them many times. I have three outstanding tasks before shutting this down: - First, I will ensure that all of this works with core files. Core files have a Process but do not allow allocating memory, which currently confuses materialization. - Second, I will make expression breakpoint conditions remember their ClangUserExpression and re-use it. - Third, I will tear out all the redundant code (for example, materialization logic in ClangExpressionDeclMap) that is no longer used. While implementing this fix, I also found a bug in IRForTarget's handling of floating-point constants. This should be fixed. llvm-svn: 179801
2013-04-19 06:06:33 +08:00
var_sp->EnableJITVars(GetParserID());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
This commit changes the way LLDB executes user expressions. Previously, ClangUserExpression assumed that if there was a constant result for an expression then it could be determined during parsing. In particular, the IRInterpreter ran while parser state (in particular, ClangExpressionDeclMap) was present. This approach is flawed, because the IRInterpreter actually is capable of using external variables, and hence the result might be different each run. Until now, we papered over this flaw by re-parsing the expression each time we ran it. I have rewritten the IRInterpreter to be completely independent of the ClangExpressionDeclMap. Instead of special-casing external variable lookup, which ties the IRInterpreter closely to LLDB, we now interpret the exact same IR that the JIT would see. This IR assumes that materialization has occurred; hence the recent implementation of the Materializer, which does not require parser state (in the form of ClangExpressionDeclMap) to be present. Materialization, interpretation, and dematerialization are now all independent of parsing. This means that in theory we can parse expressions once and run them many times. I have three outstanding tasks before shutting this down: - First, I will ensure that all of this works with core files. Core files have a Process but do not allow allocating memory, which currently confuses materialization. - Second, I will make expression breakpoint conditions remember their ClangUserExpression and re-use it. - Third, I will tear out all the redundant code (for example, materialization logic in ClangExpressionDeclMap) that is no longer used. While implementing this fix, I also found a bug in IRForTarget's handling of floating-point constants. This should be fixed. llvm-svn: 179801
2013-04-19 06:06:33 +08:00
ClangExpressionVariable::JITVars *jit_vars = var_sp->GetJITVars(GetParserID());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
This commit changes the way LLDB executes user expressions. Previously, ClangUserExpression assumed that if there was a constant result for an expression then it could be determined during parsing. In particular, the IRInterpreter ran while parser state (in particular, ClangExpressionDeclMap) was present. This approach is flawed, because the IRInterpreter actually is capable of using external variables, and hence the result might be different each run. Until now, we papered over this flaw by re-parsing the expression each time we ran it. I have rewritten the IRInterpreter to be completely independent of the ClangExpressionDeclMap. Instead of special-casing external variable lookup, which ties the IRInterpreter closely to LLDB, we now interpret the exact same IR that the JIT would see. This IR assumes that materialization has occurred; hence the recent implementation of the Materializer, which does not require parser state (in the form of ClangExpressionDeclMap) to be present. Materialization, interpretation, and dematerialization are now all independent of parsing. This means that in theory we can parse expressions once and run them many times. I have three outstanding tasks before shutting this down: - First, I will ensure that all of this works with core files. Core files have a Process but do not allow allocating memory, which currently confuses materialization. - Second, I will make expression breakpoint conditions remember their ClangUserExpression and re-use it. - Third, I will tear out all the redundant code (for example, materialization logic in ClangExpressionDeclMap) that is no longer used. While implementing this fix, I also found a bug in IRForTarget's handling of floating-point constants. This should be fixed. llvm-svn: 179801
2013-04-19 06:06:33 +08:00
jit_vars->m_offset = offset;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
This commit changes the way LLDB executes user expressions. Previously, ClangUserExpression assumed that if there was a constant result for an expression then it could be determined during parsing. In particular, the IRInterpreter ran while parser state (in particular, ClangExpressionDeclMap) was present. This approach is flawed, because the IRInterpreter actually is capable of using external variables, and hence the result might be different each run. Until now, we papered over this flaw by re-parsing the expression each time we ran it. I have rewritten the IRInterpreter to be completely independent of the ClangExpressionDeclMap. Instead of special-casing external variable lookup, which ties the IRInterpreter closely to LLDB, we now interpret the exact same IR that the JIT would see. This IR assumes that materialization has occurred; hence the recent implementation of the Materializer, which does not require parser state (in the form of ClangExpressionDeclMap) to be present. Materialization, interpretation, and dematerialization are now all independent of parsing. This means that in theory we can parse expressions once and run them many times. I have three outstanding tasks before shutting this down: - First, I will ensure that all of this works with core files. Core files have a Process but do not allow allocating memory, which currently confuses materialization. - Second, I will make expression breakpoint conditions remember their ClangUserExpression and re-use it. - Third, I will tear out all the redundant code (for example, materialization logic in ClangExpressionDeclMap) that is no longer used. While implementing this fix, I also found a bug in IRForTarget's handling of floating-point constants. This should be fixed. llvm-svn: 179801
2013-04-19 06:06:33 +08:00
return true;
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
<rdar://problem/13521159> LLDB is crashing when logging is enabled from lldb-perf-clang. This has to do with the global destructor chain as the process and its threads are being torn down. All logging channels now make one and only one instance that is kept in a global pointer which is never freed. This guarantees that logging can correctly continue as the process tears itself down. llvm-svn: 178191
2013-03-28 07:08:40 +08:00
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
Fixed a bunch of ownership problems with the expression parser. Specifically: - ClangUserExpression now keeps weak pointers to the structures it needs and then locks them when needed. This ensures that they continue to be valid without leaking memory if the ClangUserExpression is long lived. - ClangExpressionDeclMap, instead of keeping a pointer to an ExecutionContext, now contains an ExecutionContext. This prevents bugs if the pointer or its contents somehow become stale. It also no longer requires that ExecutionContexts be passed into any function except its initialization function, since it can count on the ExecutionContext still being around. There's a lot of room for improvement (specifically, ClangExpressionDeclMap should also use weak pointers insetad of shared pointers) but this is an important first step that codifies assumptions that already existed in the code. llvm-svn: 150217
2012-02-10 09:22:05 +08:00
ExecutionContext &exe_ctx = m_parser_vars->m_exe_ctx;
Target *target = exe_ctx.GetTargetPtr();
Converted the lldb_private::Process over to use the intrusive shared pointers. Changed the ExecutionContext over to use shared pointers for the target, process, thread and frame since these objects can easily go away at any time and any object that was holding onto an ExecutionContext was running the risk of using a bad object. Now that the shared pointers for target, process, thread and frame are just a single pointer (they all use the instrusive shared pointers) the execution context is much safer and still the same size. Made the shared pointers in the the ExecutionContext class protected and made accessors for all of the various ways to get at the pointers, references, and shared pointers. llvm-svn: 140298
2011-09-22 12:58:26 +08:00
if (target == NULL)
return false;
ASTContext *context(target->GetScratchClangASTContext()->getASTContext());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
TypeFromUser user_type(m_ast_importer->DeportType(context,
Updated Clang to take an enhancement to the way we handle Objective-C method calls. Currently, LLDB treats the result of an Objective-C method as unknown if the type information doesn't have the method's signature. Now Clang can cast the result to id if it isn't explicitly cast. I also added a test case for this, as well as a fix for a type import problem that this feature exposed. llvm-svn: 146756
2011-12-17 05:06:35 +08:00
parser_type.GetASTContext(),
parser_type.GetOpaqueQualType()),
Fixed handling of explicitly-declared persistent variables. llvm-svn: 123398
2011-01-14 05:23:32 +08:00
context);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
This commit completes the rearchitecting of ClangASTSource to allow variables in the persistent variable store to know how to complete themselves from debug information. That fixes a variety of bugs during dematerialization of expression results and also makes persistent variable and result variables ($foo, $4, ...) more useful. I have also added logging improvements that make it much easier to figure out how types are moving from place to place, and made some checking a little more aggressive. The commit includes patches to Clang which are currently being integrated into Clang proper; once these fixes are in Clang top-of-tree, these patches will be removed. The patches don't fix API; rather, they fix some internal bugs in Clang's ASTImporter that were exposed when LLDB was moving types from place to place multiple times. llvm-svn: 144969
2011-11-18 11:28:09 +08:00
if (!user_type.GetOpaqueQualType())
{
if (log)
log->Printf("Persistent variable's type wasn't copied successfully");
return false;
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
if (!m_parser_vars->m_target_info.IsValid())
return false;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Actually use the return value we get back when creating a persistent variable, rather than making a (potentially expensive) lookup by name. <rdar://problem/14337653> llvm-svn: 186337
2013-07-16 02:43:36 +08:00
ClangExpressionVariableSP var_sp = m_parser_vars->m_persistent_vars->CreatePersistentVariable (exe_ctx.GetBestExecutionContextScope (),
name,
user_type,
m_parser_vars->m_target_info.byte_order,
m_parser_vars->m_target_info.address_byte_size);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
if (!var_sp)
Refactored ClangExpressionDeclMap to use ClangExpressionVariables for found external variables as well as for struct members, replacing the Tuple and StructMember data structures. llvm-svn: 111859
2010-08-24 07:09:38 +08:00
return false;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed a problem where persistent variables did not correctly store the contents of Objective-C classes. This was due to a combination of factors: 1) Types were only being completed if we were looking inside them for specific ivars (using FindExternalVisibleDeclsByName). We now look the complete type up at every FindExternalLexicalDecls. 2) Even if the types were completed properly, ValueObjectConstResult overrode the type of every ValueObject using the complete type for its class from the debug information. Superclasses of complete classes are not guaranteed to be complete. Although "frame variable" uses the debug information, the expression parser does now piece together complete types at every level (as described in Bullet 1), so I provided a way for the expression parser to prevent overriding. 3) Type sizes were being miscomputed by ClangASTContext. It ignored the ISA pointer and only counted fields. We now correctly count the ISA in the size of an object. <rdar://problem/12315386> llvm-svn: 164333
2012-09-21 07:21:16 +08:00
var_sp->m_frozen_sp->SetHasCompleteType();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Implemented a major overhaul of the way variables are handled by LLDB. Instead of being materialized into the input structure passed to the expression, variables are left in place and pointers to them are materialzied into the structure. Variables not resident in memory (notably, registers) get temporary memory regions allocated for them. Persistent variables are the most complex part of this, because they are made in various ways and there are different expectations about their lifetime. Persistent variables now have flags indicating their status and what the expectations for longevity are. They can be marked as residing in target memory permanently -- this is the default for result variables from expressions entered on the command line and for explicitly declared persistent variables (but more on that below). Other result variables have their memory freed. Some major improvements resulting from this include being able to properly take the address of variables, better and cleaner support for functions that return references, and cleaner C++ support in general. One problem that remains is the problem of explicitly declared persistent variables; I have not yet implemented the code that makes references to them into indirect references, so currently materialization and dematerialization of these variables is broken. llvm-svn: 123371
2011-01-13 16:53:35 +08:00
if (is_result)
var_sp->m_flags |= ClangExpressionVariable::EVNeedsFreezeDry;
else
var_sp->m_flags |= ClangExpressionVariable::EVKeepInTarget; // explicitly-declared persistent variables should persist
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Implemented a major overhaul of the way variables are handled by LLDB. Instead of being materialized into the input structure passed to the expression, variables are left in place and pointers to them are materialzied into the structure. Variables not resident in memory (notably, registers) get temporary memory regions allocated for them. Persistent variables are the most complex part of this, because they are made in various ways and there are different expectations about their lifetime. Persistent variables now have flags indicating their status and what the expectations for longevity are. They can be marked as residing in target memory permanently -- this is the default for result variables from expressions entered on the command line and for explicitly declared persistent variables (but more on that below). Other result variables have their memory freed. Some major improvements resulting from this include being able to properly take the address of variables, better and cleaner support for functions that return references, and cleaner C++ support in general. One problem that remains is the problem of explicitly declared persistent variables; I have not yet implemented the code that makes references to them into indirect references, so currently materialization and dematerialization of these variables is broken. llvm-svn: 123371
2011-01-13 16:53:35 +08:00
if (is_lvalue)
{
var_sp->m_flags |= ClangExpressionVariable::EVIsProgramReference;
}
else
{
var_sp->m_flags |= ClangExpressionVariable::EVIsLLDBAllocated;
var_sp->m_flags |= ClangExpressionVariable::EVNeedsAllocation;
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Replicated the materialization logic for persistent variables in the Materializer. We don't use this code yet, but will soon once the other materializers are online. llvm-svn: 179390
2013-04-13 02:10:34 +08:00
if (m_keep_result_in_memory)
{
var_sp->m_flags |= ClangExpressionVariable::EVKeepInTarget;
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Implemented a major overhaul of the way variables are handled by LLDB. Instead of being materialized into the input structure passed to the expression, variables are left in place and pointers to them are materialzied into the structure. Variables not resident in memory (notably, registers) get temporary memory regions allocated for them. Persistent variables are the most complex part of this, because they are made in various ways and there are different expectations about their lifetime. Persistent variables now have flags indicating their status and what the expectations for longevity are. They can be marked as residing in target memory permanently -- this is the default for result variables from expressions entered on the command line and for explicitly declared persistent variables (but more on that below). Other result variables have their memory freed. Some major improvements resulting from this include being able to properly take the address of variables, better and cleaner support for functions that return references, and cleaner C++ support in general. One problem that remains is the problem of explicitly declared persistent variables; I have not yet implemented the code that makes references to them into indirect references, so currently materialization and dematerialization of these variables is broken. llvm-svn: 123371
2011-01-13 16:53:35 +08:00
if (log)
log->Printf("Created persistent variable with flags 0x%hx", var_sp->m_flags);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
var_sp->EnableParserVars(GetParserID());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
ClangExpressionVariable::ParserVars *parser_vars = var_sp->GetParserVars(GetParserID());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
parser_vars->m_named_decl = decl;
parser_vars->m_parser_type = parser_type;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Refactored ClangExpressionDeclMap to use ClangExpressionVariables for found external variables as well as for struct members, replacing the Tuple and StructMember data structures. llvm-svn: 111859
2010-08-24 07:09:38 +08:00
return true;
Added support for persistent variables to the expression parser. It is now possible to type: (lldb) expr int $i = 5; $i + 1 (int) 6 (lldb) expr $i + 2 (int) 7 The skeleton for automatic result variables is also implemented. The changes affect: - the process, which now contains a ClangPersistentVariables object that holds persistent variables associated with it - the expression parser, which now uses the persistent variables during variable lookup - TaggedASTType, where I loaded some commonly used tags into a header so that they are interchangeable between different clients of the class llvm-svn: 110777
2010-08-11 11:57:18 +08:00
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
bool
ClangExpressionDeclMap::AddValueToStruct
Made many ConstString functions inlined in the header file. Changed all of our synthesized "___clang" functions, types and variables that get used in expressions over to have a prefix of "$_lldb". Now when we do name lookups we can easily switch off of the first '$' character to know if we should look through only our internal (when first char is '$') stuff, or when we should look through program variables, functions and types. Converted all of the clang expression code over to using "const ConstString&" values for names instead of "const char *" since there were many places that were converting the "const char *" names into ConstString names and them throwing them away. We now avoid making a lot of ConstString conversions and benefit from the quick comparisons in a few extra spots. Converted a lot of code from LLVM coding conventions into LLDB coding conventions. llvm-svn: 116634
2010-10-16 06:48:33 +08:00
(
This change brings in the latest LLVM/Clang, and completes the support in the LLDB expression parser for incomplete types. Clang now imports types lazily, and we complete those types as necessary. Changes include: - ClangASTSource now supports three APIs which it passes to ClangExpressionDeclMap. CompleteType completes a TagDecl or an ObjCInterfaceDecl when needed; FindExternalVisibleDecls finds named entities that are visible in the expression's scope; and FindExternalLexicalDecls performs a (potentially restricted) search for entities inside a lexical scope like a namespace. These changes mean that entities in namespaces should work normally. - The SymbolFileDWARF code for searching a context for a specific name is now more general, and can search arbitrary contexts. - We are continuing to adapt our calls into LLVM from interfaces that take start and end iterators when accepting multiple items to interfaces that use ArrayRef. - I have cleaned up some code, especially our use of namespaces. This change is neutral for our testsuite and greatly improves correctness for large programs (like Clang) with complicated type systems. It should also lay the groundwork for improving the expression parser's performance as we are lazier and lazier about providing type information. llvm-svn: 136555
2011-07-30 10:42:06 +08:00
const NamedDecl *decl,
Made many ConstString functions inlined in the header file. Changed all of our synthesized "___clang" functions, types and variables that get used in expressions over to have a prefix of "$_lldb". Now when we do name lookups we can easily switch off of the first '$' character to know if we should look through only our internal (when first char is '$') stuff, or when we should look through program variables, functions and types. Converted all of the clang expression code over to using "const ConstString&" values for names instead of "const char *" since there were many places that were converting the "const char *" names into ConstString names and them throwing them away. We now avoid making a lot of ConstString conversions and benefit from the quick comparisons in a few extra spots. Converted a lot of code from LLVM coding conventions into LLDB coding conventions. llvm-svn: 116634
2010-10-16 06:48:33 +08:00
const ConstString &name,
llvm::Value *value,
size_t size,
Start converting usages of off_t to other types. off_t is a type which is used for file offsets. Even more specifically, it is only used by a limited number of C APIs that deal with files. Any usage of off_t where the variable is not intended to be used with one of these APIs is a bug, by definition. This patch corrects some easy mis-uses of off_t, generally by converting them to lldb::offset_t, but sometimes by using other types such as size_t, when appropriate. The use of off_t to represent these offsets has worked fine in practice on linux-y platforms, since we used _FILE_OFFSET_64 to guarantee that off_t was a uint64. On Windows, however, _FILE_OFFSET_64 is unrecognized, and off_t will always be 32-bit. So the usage of off_t on Windows actually leads to legitimate bugs. Reviewed by: Greg Clayton Differential Revision: http://reviews.llvm.org/D4358 llvm-svn: 212192
2014-07-03 01:24:07 +08:00
lldb::offset_t alignment
Made many ConstString functions inlined in the header file. Changed all of our synthesized "___clang" functions, types and variables that get used in expressions over to have a prefix of "$_lldb". Now when we do name lookups we can easily switch off of the first '$' character to know if we should look through only our internal (when first char is '$') stuff, or when we should look through program variables, functions and types. Converted all of the clang expression code over to using "const ConstString&" values for names instead of "const char *" since there were many places that were converting the "const char *" names into ConstString names and them throwing them away. We now avoid making a lot of ConstString conversions and benefit from the quick comparisons in a few extra spots. Converted a lot of code from LLVM coding conventions into LLDB coding conventions. llvm-svn: 116634
2010-10-16 06:48:33 +08:00
)
"expr -i" now performs the required transforms to prepare the IR for JIT compilation. We still need to do the JIT compilation and move the arguments in/out of target memory. llvm-svn: 108279
2010-07-14 05:41:46 +08:00
{
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
assert (m_struct_vars.get());
assert (m_parser_vars.get());
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Changed the way ClangExpressionDeclMap registers entities with the new Materializer so that it only registers those entities that actually need to be placed in the struct. llvm-svn: 179253
2013-04-11 10:05:11 +08:00
bool is_persistent_variable = false;
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
<rdar://problem/13521159> LLDB is crashing when logging is enabled from lldb-perf-clang. This has to do with the global destructor chain as the process and its threads are being torn down. All logging channels now make one and only one instance that is kept in a global pointer which is never freed. This guarantees that logging can correctly continue as the process tears itself down. llvm-svn: 178191
2013-03-28 07:08:40 +08:00
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
m_struct_vars->m_struct_laid_out = false;
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
if (m_struct_members.GetVariable(decl, GetParserID()))
Refactored ClangExpressionDeclMap to use ClangExpressionVariables for found external variables as well as for struct members, replacing the Tuple and StructMember data structures. llvm-svn: 111859
2010-08-24 07:09:38 +08:00
return true;
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
ClangExpressionVariableSP var_sp (m_found_entities.GetVariable(decl, GetParserID()));
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
if (!var_sp)
Changed the way ClangExpressionDeclMap registers entities with the new Materializer so that it only registers those entities that actually need to be placed in the struct. llvm-svn: 179253
2013-04-11 10:05:11 +08:00
{
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
var_sp = m_parser_vars->m_persistent_vars->GetVariable(decl, GetParserID());
Changed the way ClangExpressionDeclMap registers entities with the new Materializer so that it only registers those entities that actually need to be placed in the struct. llvm-svn: 179253
2013-04-11 10:05:11 +08:00
is_persistent_variable = true;
}
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
if (!var_sp)
Refactored ClangExpressionDeclMap to use ClangExpressionVariables for found external variables as well as for struct members, replacing the Tuple and StructMember data structures. llvm-svn: 111859
2010-08-24 07:09:38 +08:00
return false;
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Fixed a bug where the parser-specific members of persistent variables were staying around too long. This caused the following problem: - A persistent result variable is created for the result of an expression. The pointer to the corresponding Decl is stored in the variable. - The persistent variable is looked up during struct generation (correctly) using its Decl. - Another expression defines a new result variable which happens to have a Decl in the same place as the original result variable. - The persistent variable is looked up during struct generation using its Decl, but the old result variable appears first in the list and has the same Decl pointer. The fix is to destroy parser-specific data when it is no longer valid. Also improved some logging as I diagnosed the bug. llvm-svn: 112540
2010-08-31 06:17:16 +08:00
if (log)
This commit completes the rearchitecting of ClangASTSource to allow variables in the persistent variable store to know how to complete themselves from debug information. That fixes a variety of bugs during dematerialization of expression results and also makes persistent variable and result variables ($foo, $4, ...) more useful. I have also added logging improvements that make it much easier to figure out how types are moving from place to place, and made some checking a little more aggressive. The commit includes patches to Clang which are currently being integrated into Clang proper; once these fixes are in Clang top-of-tree, these patches will be removed. The patches don't fix API; rather, they fix some internal bugs in Clang's ASTImporter that were exposed when LLDB was moving types from place to place multiple times. llvm-svn: 144969
2011-11-18 11:28:09 +08:00
log->Printf("Adding value for (NamedDecl*)%p [%s - %s] to the structure",
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
static_cast<const void*>(decl), name.GetCString(),
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
var_sp->GetName().GetCString());
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Refactored ClangExpressionDeclMap to use ClangExpressionVariables for found external variables as well as for struct members, replacing the Tuple and StructMember data structures. llvm-svn: 111859
2010-08-24 07:09:38 +08:00
// We know entity->m_parser_vars is valid because we used a parser variable
// to find it
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
ClangExpressionVariable::ParserVars *parser_vars = var_sp->GetParserVars(GetParserID());
parser_vars->m_llvm_value = value;
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
This commit changes the way LLDB executes user expressions. Previously, ClangUserExpression assumed that if there was a constant result for an expression then it could be determined during parsing. In particular, the IRInterpreter ran while parser state (in particular, ClangExpressionDeclMap) was present. This approach is flawed, because the IRInterpreter actually is capable of using external variables, and hence the result might be different each run. Until now, we papered over this flaw by re-parsing the expression each time we ran it. I have rewritten the IRInterpreter to be completely independent of the ClangExpressionDeclMap. Instead of special-casing external variable lookup, which ties the IRInterpreter closely to LLDB, we now interpret the exact same IR that the JIT would see. This IR assumes that materialization has occurred; hence the recent implementation of the Materializer, which does not require parser state (in the form of ClangExpressionDeclMap) to be present. Materialization, interpretation, and dematerialization are now all independent of parsing. This means that in theory we can parse expressions once and run them many times. I have three outstanding tasks before shutting this down: - First, I will ensure that all of this works with core files. Core files have a Process but do not allow allocating memory, which currently confuses materialization. - Second, I will make expression breakpoint conditions remember their ClangUserExpression and re-use it. - Third, I will tear out all the redundant code (for example, materialization logic in ClangExpressionDeclMap) that is no longer used. While implementing this fix, I also found a bug in IRForTarget's handling of floating-point constants. This should be fixed. llvm-svn: 179801
2013-04-19 06:06:33 +08:00
if (ClangExpressionVariable::JITVars *jit_vars = var_sp->GetJITVars(GetParserID()))
{
// We already laid this out; do not touch
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
This commit changes the way LLDB executes user expressions. Previously, ClangUserExpression assumed that if there was a constant result for an expression then it could be determined during parsing. In particular, the IRInterpreter ran while parser state (in particular, ClangExpressionDeclMap) was present. This approach is flawed, because the IRInterpreter actually is capable of using external variables, and hence the result might be different each run. Until now, we papered over this flaw by re-parsing the expression each time we ran it. I have rewritten the IRInterpreter to be completely independent of the ClangExpressionDeclMap. Instead of special-casing external variable lookup, which ties the IRInterpreter closely to LLDB, we now interpret the exact same IR that the JIT would see. This IR assumes that materialization has occurred; hence the recent implementation of the Materializer, which does not require parser state (in the form of ClangExpressionDeclMap) to be present. Materialization, interpretation, and dematerialization are now all independent of parsing. This means that in theory we can parse expressions once and run them many times. I have three outstanding tasks before shutting this down: - First, I will ensure that all of this works with core files. Core files have a Process but do not allow allocating memory, which currently confuses materialization. - Second, I will make expression breakpoint conditions remember their ClangUserExpression and re-use it. - Third, I will tear out all the redundant code (for example, materialization logic in ClangExpressionDeclMap) that is no longer used. While implementing this fix, I also found a bug in IRForTarget's handling of floating-point constants. This should be fixed. llvm-svn: 179801
2013-04-19 06:06:33 +08:00
if (log)
log->Printf("Already placed at 0x%llx", (unsigned long long)jit_vars->m_offset);
}
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
var_sp->EnableJITVars(GetParserID());
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
ClangExpressionVariable::JITVars *jit_vars = var_sp->GetJITVars(GetParserID());
jit_vars->m_alignment = alignment;
jit_vars->m_size = size;
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
m_struct_members.AddVariable(var_sp);
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Changed the way ClangExpressionDeclMap registers entities with the new Materializer so that it only registers those entities that actually need to be placed in the struct. llvm-svn: 179253
2013-04-11 10:05:11 +08:00
if (m_parser_vars->m_materializer)
{
Hand over the job of laying out the argument structure to the Materializer. Materialization is still done by the ClangExpressionDeclMap; this will be the next thing to move. Also fixed a layout bug that this uncovered. llvm-svn: 179318
2013-04-12 05:16:36 +08:00
uint32_t offset = 0;
Changed the way ClangExpressionDeclMap registers entities with the new Materializer so that it only registers those entities that actually need to be placed in the struct. llvm-svn: 179253
2013-04-11 10:05:11 +08:00
Error err;
if (is_persistent_variable)
{
Hand over the job of laying out the argument structure to the Materializer. Materialization is still done by the ClangExpressionDeclMap; this will be the next thing to move. Also fixed a layout bug that this uncovered. llvm-svn: 179318
2013-04-12 05:16:36 +08:00
offset = m_parser_vars->m_materializer->AddPersistentVariable(var_sp, err);
Changed the way ClangExpressionDeclMap registers entities with the new Materializer so that it only registers those entities that actually need to be placed in the struct. llvm-svn: 179253
2013-04-11 10:05:11 +08:00
}
else
{
if (const lldb_private::Symbol *sym = parser_vars->m_lldb_sym)
Hand over the job of laying out the argument structure to the Materializer. Materialization is still done by the ClangExpressionDeclMap; this will be the next thing to move. Also fixed a layout bug that this uncovered. llvm-svn: 179318
2013-04-12 05:16:36 +08:00
offset = m_parser_vars->m_materializer->AddSymbol(*sym, err);
Changed the way ClangExpressionDeclMap registers entities with the new Materializer so that it only registers those entities that actually need to be placed in the struct. llvm-svn: 179253
2013-04-11 10:05:11 +08:00
else if (const RegisterInfo *reg_info = var_sp->GetRegisterInfo())
Hand over the job of laying out the argument structure to the Materializer. Materialization is still done by the ClangExpressionDeclMap; this will be the next thing to move. Also fixed a layout bug that this uncovered. llvm-svn: 179318
2013-04-12 05:16:36 +08:00
offset = m_parser_vars->m_materializer->AddRegister(*reg_info, err);
Changed the way ClangExpressionDeclMap registers entities with the new Materializer so that it only registers those entities that actually need to be placed in the struct. llvm-svn: 179253
2013-04-11 10:05:11 +08:00
else if (parser_vars->m_lldb_var)
Hand over the job of laying out the argument structure to the Materializer. Materialization is still done by the ClangExpressionDeclMap; this will be the next thing to move. Also fixed a layout bug that this uncovered. llvm-svn: 179318
2013-04-12 05:16:36 +08:00
offset = m_parser_vars->m_materializer->AddVariable(parser_vars->m_lldb_var, err);
Changed the way ClangExpressionDeclMap registers entities with the new Materializer so that it only registers those entities that actually need to be placed in the struct. llvm-svn: 179253
2013-04-11 10:05:11 +08:00
}
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Hand over the job of laying out the argument structure to the Materializer. Materialization is still done by the ClangExpressionDeclMap; this will be the next thing to move. Also fixed a layout bug that this uncovered. llvm-svn: 179318
2013-04-12 05:16:36 +08:00
if (!err.Success())
return false;
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Hand over the job of laying out the argument structure to the Materializer. Materialization is still done by the ClangExpressionDeclMap; this will be the next thing to move. Also fixed a layout bug that this uncovered. llvm-svn: 179318
2013-04-12 05:16:36 +08:00
if (log)
log->Printf("Placed at 0x%llx", (unsigned long long)offset);
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Hand over the job of laying out the argument structure to the Materializer. Materialization is still done by the ClangExpressionDeclMap; this will be the next thing to move. Also fixed a layout bug that this uncovered. llvm-svn: 179318
2013-04-12 05:16:36 +08:00
jit_vars->m_offset = offset; // TODO DoStructLayout() should not change this.
Changed the way ClangExpressionDeclMap registers entities with the new Materializer so that it only registers those entities that actually need to be placed in the struct. llvm-svn: 179253
2013-04-11 10:05:11 +08:00
}
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
"expr -i" now performs the required transforms to prepare the IR for JIT compilation. We still need to do the JIT compilation and move the arguments in/out of target memory. llvm-svn: 108279
2010-07-14 05:41:46 +08:00
return true;
}
bool
ClangExpressionDeclMap::DoStructLayout ()
{
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
assert (m_struct_vars.get());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
if (m_struct_vars->m_struct_laid_out)
"expr -i" now performs the required transforms to prepare the IR for JIT compilation. We still need to do the JIT compilation and move the arguments in/out of target memory. llvm-svn: 108279
2010-07-14 05:41:46 +08:00
return true;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Flipped the big switch: LLDB now uses the new Materializer for all expressions that need to run in the target. This includes the following changes: - Removed a bunch of (de-)materialization code from ClangExpressionDeclMap and assumed the presence of a Materializer where we previously had a fallback. - Ensured that an IRMemoryMap is passed into ClangExpressionDeclMap::Materialize(). - Fixed object ownership on LLVMContext; it is now owned by the IRExecutionUnit, since the Module and the ExecutionEngine both depend on its existence. - Fixed a few bugs in IRMemoryMap and the Materializer that showed up during testing. llvm-svn: 179649
2013-04-17 07:25:35 +08:00
if (!m_parser_vars->m_materializer)
return false;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Flipped the big switch: LLDB now uses the new Materializer for all expressions that need to run in the target. This includes the following changes: - Removed a bunch of (de-)materialization code from ClangExpressionDeclMap and assumed the presence of a Materializer where we previously had a fallback. - Ensured that an IRMemoryMap is passed into ClangExpressionDeclMap::Materialize(). - Fixed object ownership on LLVMContext; it is now owned by the IRExecutionUnit, since the Module and the ExecutionEngine both depend on its existence. - Fixed a few bugs in IRMemoryMap and the Materializer that showed up during testing. llvm-svn: 179649
2013-04-17 07:25:35 +08:00
m_struct_vars->m_struct_alignment = m_parser_vars->m_materializer->GetStructAlignment();
m_struct_vars->m_struct_size = m_parser_vars->m_materializer->GetStructByteSize();
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
m_struct_vars->m_struct_laid_out = true;
"expr -i" now performs the required transforms to prepare the IR for JIT compilation. We still need to do the JIT compilation and move the arguments in/out of target memory. llvm-svn: 108279
2010-07-14 05:41:46 +08:00
return true;
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
bool ClangExpressionDeclMap::GetStructInfo
Made many ConstString functions inlined in the header file. Changed all of our synthesized "___clang" functions, types and variables that get used in expressions over to have a prefix of "$_lldb". Now when we do name lookups we can easily switch off of the first '$' character to know if we should look through only our internal (when first char is '$') stuff, or when we should look through program variables, functions and types. Converted all of the clang expression code over to using "const ConstString&" values for names instead of "const char *" since there were many places that were converting the "const char *" names into ConstString names and them throwing them away. We now avoid making a lot of ConstString conversions and benefit from the quick comparisons in a few extra spots. Converted a lot of code from LLVM coding conventions into LLDB coding conventions. llvm-svn: 116634
2010-10-16 06:48:33 +08:00
(
uint32_t &num_elements,
size_t &size,
Start converting usages of off_t to other types. off_t is a type which is used for file offsets. Even more specifically, it is only used by a limited number of C APIs that deal with files. Any usage of off_t where the variable is not intended to be used with one of these APIs is a bug, by definition. This patch corrects some easy mis-uses of off_t, generally by converting them to lldb::offset_t, but sometimes by using other types such as size_t, when appropriate. The use of off_t to represent these offsets has worked fine in practice on linux-y platforms, since we used _FILE_OFFSET_64 to guarantee that off_t was a uint64. On Windows, however, _FILE_OFFSET_64 is unrecognized, and off_t will always be 32-bit. So the usage of off_t on Windows actually leads to legitimate bugs. Reviewed by: Greg Clayton Differential Revision: http://reviews.llvm.org/D4358 llvm-svn: 212192
2014-07-03 01:24:07 +08:00
lldb::offset_t &alignment
Made many ConstString functions inlined in the header file. Changed all of our synthesized "___clang" functions, types and variables that get used in expressions over to have a prefix of "$_lldb". Now when we do name lookups we can easily switch off of the first '$' character to know if we should look through only our internal (when first char is '$') stuff, or when we should look through program variables, functions and types. Converted all of the clang expression code over to using "const ConstString&" values for names instead of "const char *" since there were many places that were converting the "const char *" names into ConstString names and them throwing them away. We now avoid making a lot of ConstString conversions and benefit from the quick comparisons in a few extra spots. Converted a lot of code from LLVM coding conventions into LLDB coding conventions. llvm-svn: 116634
2010-10-16 06:48:33 +08:00
)
"expr -i" now performs the required transforms to prepare the IR for JIT compilation. We still need to do the JIT compilation and move the arguments in/out of target memory. llvm-svn: 108279
2010-07-14 05:41:46 +08:00
{
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
assert (m_struct_vars.get());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
if (!m_struct_vars->m_struct_laid_out)
"expr -i" now performs the required transforms to prepare the IR for JIT compilation. We still need to do the JIT compilation and move the arguments in/out of target memory. llvm-svn: 108279
2010-07-14 05:41:46 +08:00
return false;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
num_elements = m_struct_members.GetSize();
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
size = m_struct_vars->m_struct_size;
alignment = m_struct_vars->m_struct_alignment;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
"expr -i" now performs the required transforms to prepare the IR for JIT compilation. We still need to do the JIT compilation and move the arguments in/out of target memory. llvm-svn: 108279
2010-07-14 05:41:46 +08:00
return true;
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
bool
ClangExpressionDeclMap::GetStructElement
Made many ConstString functions inlined in the header file. Changed all of our synthesized "___clang" functions, types and variables that get used in expressions over to have a prefix of "$_lldb". Now when we do name lookups we can easily switch off of the first '$' character to know if we should look through only our internal (when first char is '$') stuff, or when we should look through program variables, functions and types. Converted all of the clang expression code over to using "const ConstString&" values for names instead of "const char *" since there were many places that were converting the "const char *" names into ConstString names and them throwing them away. We now avoid making a lot of ConstString conversions and benefit from the quick comparisons in a few extra spots. Converted a lot of code from LLVM coding conventions into LLDB coding conventions. llvm-svn: 116634
2010-10-16 06:48:33 +08:00
(
This change brings in the latest LLVM/Clang, and completes the support in the LLDB expression parser for incomplete types. Clang now imports types lazily, and we complete those types as necessary. Changes include: - ClangASTSource now supports three APIs which it passes to ClangExpressionDeclMap. CompleteType completes a TagDecl or an ObjCInterfaceDecl when needed; FindExternalVisibleDecls finds named entities that are visible in the expression's scope; and FindExternalLexicalDecls performs a (potentially restricted) search for entities inside a lexical scope like a namespace. These changes mean that entities in namespaces should work normally. - The SymbolFileDWARF code for searching a context for a specific name is now more general, and can search arbitrary contexts. - We are continuing to adapt our calls into LLVM from interfaces that take start and end iterators when accepting multiple items to interfaces that use ArrayRef. - I have cleaned up some code, especially our use of namespaces. This change is neutral for our testsuite and greatly improves correctness for large programs (like Clang) with complicated type systems. It should also lay the groundwork for improving the expression parser's performance as we are lazier and lazier about providing type information. llvm-svn: 136555
2011-07-30 10:42:06 +08:00
const NamedDecl *&decl,
Made many ConstString functions inlined in the header file. Changed all of our synthesized "___clang" functions, types and variables that get used in expressions over to have a prefix of "$_lldb". Now when we do name lookups we can easily switch off of the first '$' character to know if we should look through only our internal (when first char is '$') stuff, or when we should look through program variables, functions and types. Converted all of the clang expression code over to using "const ConstString&" values for names instead of "const char *" since there were many places that were converting the "const char *" names into ConstString names and them throwing them away. We now avoid making a lot of ConstString conversions and benefit from the quick comparisons in a few extra spots. Converted a lot of code from LLVM coding conventions into LLDB coding conventions. llvm-svn: 116634
2010-10-16 06:48:33 +08:00
llvm::Value *&value,
Start converting usages of off_t to other types. off_t is a type which is used for file offsets. Even more specifically, it is only used by a limited number of C APIs that deal with files. Any usage of off_t where the variable is not intended to be used with one of these APIs is a bug, by definition. This patch corrects some easy mis-uses of off_t, generally by converting them to lldb::offset_t, but sometimes by using other types such as size_t, when appropriate. The use of off_t to represent these offsets has worked fine in practice on linux-y platforms, since we used _FILE_OFFSET_64 to guarantee that off_t was a uint64. On Windows, however, _FILE_OFFSET_64 is unrecognized, and off_t will always be 32-bit. So the usage of off_t on Windows actually leads to legitimate bugs. Reviewed by: Greg Clayton Differential Revision: http://reviews.llvm.org/D4358 llvm-svn: 212192
2014-07-03 01:24:07 +08:00
lldb::offset_t &offset,
Made many ConstString functions inlined in the header file. Changed all of our synthesized "___clang" functions, types and variables that get used in expressions over to have a prefix of "$_lldb". Now when we do name lookups we can easily switch off of the first '$' character to know if we should look through only our internal (when first char is '$') stuff, or when we should look through program variables, functions and types. Converted all of the clang expression code over to using "const ConstString&" values for names instead of "const char *" since there were many places that were converting the "const char *" names into ConstString names and them throwing them away. We now avoid making a lot of ConstString conversions and benefit from the quick comparisons in a few extra spots. Converted a lot of code from LLVM coding conventions into LLDB coding conventions. llvm-svn: 116634
2010-10-16 06:48:33 +08:00
ConstString &name,
uint32_t index
)
"expr -i" now performs the required transforms to prepare the IR for JIT compilation. We still need to do the JIT compilation and move the arguments in/out of target memory. llvm-svn: 108279
2010-07-14 05:41:46 +08:00
{
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
assert (m_struct_vars.get());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
if (!m_struct_vars->m_struct_laid_out)
"expr -i" now performs the required transforms to prepare the IR for JIT compilation. We still need to do the JIT compilation and move the arguments in/out of target memory. llvm-svn: 108279
2010-07-14 05:41:46 +08:00
return false;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
if (index >= m_struct_members.GetSize())
"expr -i" now performs the required transforms to prepare the IR for JIT compilation. We still need to do the JIT compilation and move the arguments in/out of target memory. llvm-svn: 108279
2010-07-14 05:41:46 +08:00
return false;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
ClangExpressionVariableSP member_sp(m_struct_members.GetVariableAtIndex(index));
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
if (!member_sp)
return false;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
ClangExpressionVariable::ParserVars *parser_vars = member_sp->GetParserVars(GetParserID());
ClangExpressionVariable::JITVars *jit_vars = member_sp->GetJITVars(GetParserID());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
if (!parser_vars ||
!jit_vars ||
Make sure frozen_sp for a ClangExpressionVariable is non-NULL before asking for its name. llvm-svn: 154593
2012-04-13 00:58:26 +08:00
!member_sp->GetValueObject())
Refactored ClangExpressionDeclMap to use ClangExpressionVariables for found external variables as well as for struct members, replacing the Tuple and StructMember data structures. llvm-svn: 111859
2010-08-24 07:09:38 +08:00
return false;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
decl = parser_vars->m_named_decl;
value = parser_vars->m_llvm_value;
offset = jit_vars->m_offset;
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
name = member_sp->GetName();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
"expr -i" now performs the required transforms to prepare the IR for JIT compilation. We still need to do the JIT compilation and move the arguments in/out of target memory. llvm-svn: 108279
2010-07-14 05:41:46 +08:00
return true;
}
Added support for calling functions from expressions. Right now we mock up the function as a variadic function when generating the IR for the call; we need to eventually make the function be the right type if the type is available. llvm-svn: 109543
2010-07-28 05:39:39 +08:00
bool
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
ClangExpressionDeclMap::GetFunctionInfo
Made many ConstString functions inlined in the header file. Changed all of our synthesized "___clang" functions, types and variables that get used in expressions over to have a prefix of "$_lldb". Now when we do name lookups we can easily switch off of the first '$' character to know if we should look through only our internal (when first char is '$') stuff, or when we should look through program variables, functions and types. Converted all of the clang expression code over to using "const ConstString&" values for names instead of "const char *" since there were many places that were converting the "const char *" names into ConstString names and them throwing them away. We now avoid making a lot of ConstString conversions and benefit from the quick comparisons in a few extra spots. Converted a lot of code from LLVM coding conventions into LLDB coding conventions. llvm-svn: 116634
2010-10-16 06:48:33 +08:00
(
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
const NamedDecl *decl,
Made many ConstString functions inlined in the header file. Changed all of our synthesized "___clang" functions, types and variables that get used in expressions over to have a prefix of "$_lldb". Now when we do name lookups we can easily switch off of the first '$' character to know if we should look through only our internal (when first char is '$') stuff, or when we should look through program variables, functions and types. Converted all of the clang expression code over to using "const ConstString&" values for names instead of "const char *" since there were many places that were converting the "const char *" names into ConstString names and them throwing them away. We now avoid making a lot of ConstString conversions and benefit from the quick comparisons in a few extra spots. Converted a lot of code from LLVM coding conventions into LLDB coding conventions. llvm-svn: 116634
2010-10-16 06:48:33 +08:00
uint64_t &ptr
)
Added support for locating a function that is referenced in the IR. We don't yet support updating the call to that function. llvm-svn: 109483
2010-07-27 10:07:53 +08:00
{
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
ClangExpressionVariableSP entity_sp(m_found_entities.GetVariable(decl, GetParserID()));
Refactored ClangExpressionDeclMap to use ClangExpressionVariables for found external variables as well as for struct members, replacing the Tuple and StructMember data structures. llvm-svn: 111859
2010-08-24 07:09:38 +08:00
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
if (!entity_sp)
Refactored ClangExpressionDeclMap to use ClangExpressionVariables for found external variables as well as for struct members, replacing the Tuple and StructMember data structures. llvm-svn: 111859
2010-08-24 07:09:38 +08:00
return false;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Refactored ClangExpressionDeclMap to use ClangExpressionVariables for found external variables as well as for struct members, replacing the Tuple and StructMember data structures. llvm-svn: 111859
2010-08-24 07:09:38 +08:00
// We know m_parser_vars is valid since we searched for the variable by
// its NamedDecl
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
ClangExpressionVariable::ParserVars *parser_vars = entity_sp->GetParserVars(GetParserID());
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
ptr = parser_vars->m_lldb_value.GetScalar().ULongLong();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Refactored ClangExpressionDeclMap to use ClangExpressionVariables for found external variables as well as for struct members, replacing the Tuple and StructMember data structures. llvm-svn: 111859
2010-08-24 07:09:38 +08:00
return true;
Added support for locating a function that is referenced in the IR. We don't yet support updating the call to that function. llvm-svn: 109483
2010-07-27 10:07:53 +08:00
}
Fixed a performance problem where functions were being searched for in too heavyweight a way. Now, when asking for the address of a function, the expression parser just asks for a corresponding data symbol. llvm-svn: 137731
2011-08-17 02:09:29 +08:00
static void
FindCodeSymbolInContext
(
const ConstString &name,
SymbolContext &sym_ctx,
SymbolContextList &sc_list
)
{
Add GNU indirect function support in expressions for Linux. llvm-svn: 176206
2013-02-28 04:13:38 +08:00
SymbolContextList temp_sc_list;
Fixed a performance problem where functions were being searched for in too heavyweight a way. Now, when asking for the address of a function, the expression parser just asks for a corresponding data symbol. llvm-svn: 137731
2011-08-17 02:09:29 +08:00
if (sym_ctx.module_sp)
Add GNU indirect function support in expressions for Linux. llvm-svn: 176206
2013-02-28 04:13:38 +08:00
sym_ctx.module_sp->FindSymbolsWithNameAndType(name, eSymbolTypeAny, temp_sc_list);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Add GNU indirect function support in expressions for Linux. llvm-svn: 176206
2013-02-28 04:13:38 +08:00
if (!sc_list.GetSize() && sym_ctx.target_sp)
sym_ctx.target_sp->GetImages().FindSymbolsWithNameAndType(name, eSymbolTypeAny, temp_sc_list);
unsigned temp_sc_list_size = temp_sc_list.GetSize();
for (unsigned i = 0; i < temp_sc_list_size; i++)
{
SymbolContext sym_ctx;
temp_sc_list.GetContextAtIndex(i, sym_ctx);
if (sym_ctx.symbol)
{
switch (sym_ctx.symbol->GetType())
{
case eSymbolTypeCode:
case eSymbolTypeResolver:
<rdar://problem/14496092> Fixed the expression parser to be able to iterate across all function name matches that it finds when it is looking for the address of a function that the IR is looking for. Also taught it to deal with reexported symbols. llvm-svn: 193716
2013-10-31 05:37:46 +08:00
case eSymbolTypeReExported:
Add GNU indirect function support in expressions for Linux. llvm-svn: 176206
2013-02-28 04:13:38 +08:00
sc_list.Append(sym_ctx);
break;
default:
break;
}
}
}
Fixed a performance problem where functions were being searched for in too heavyweight a way. Now, when asking for the address of a function, the expression parser just asks for a corresponding data symbol. llvm-svn: 137731
2011-08-17 02:09:29 +08:00
}
Added support for rewriting objc_msgSend so we can call Objective-C methods from expressions. Also added some more logging to the function-calling thread plan so that we can see the registers when a function finishes. Also documented things maybe a bit better. llvm-svn: 109938
2010-07-31 09:32:05 +08:00
bool
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
ClangExpressionDeclMap::GetFunctionAddress
Made many ConstString functions inlined in the header file. Changed all of our synthesized "___clang" functions, types and variables that get used in expressions over to have a prefix of "$_lldb". Now when we do name lookups we can easily switch off of the first '$' character to know if we should look through only our internal (when first char is '$') stuff, or when we should look through program variables, functions and types. Converted all of the clang expression code over to using "const ConstString&" values for names instead of "const char *" since there were many places that were converting the "const char *" names into ConstString names and them throwing them away. We now avoid making a lot of ConstString conversions and benefit from the quick comparisons in a few extra spots. Converted a lot of code from LLVM coding conventions into LLDB coding conventions. llvm-svn: 116634
2010-10-16 06:48:33 +08:00
(
const ConstString &name,
Added a function to lldb_private::Address: addr_t Address::GetCallableLoadAddress (Target *target) const; This will resolve the load address in the Address object and optionally decorate the address up to be able to be called. For all non ARM targets, this just essentially returns the result of "Address::GetLoadAddress (target)". But for ARM targets, it checks if the address is Thumb, and if so, it returns an address with bit zero set to indicate a mode switch to Thumb. This is how we need function pointers to be for return addresses and when resolving function addresses for the JIT. It is also nice to centralize this in one spot to avoid having multiple copies of this code. llvm-svn: 131588
2011-05-19 06:01:49 +08:00
uint64_t &func_addr
Made many ConstString functions inlined in the header file. Changed all of our synthesized "___clang" functions, types and variables that get used in expressions over to have a prefix of "$_lldb". Now when we do name lookups we can easily switch off of the first '$' character to know if we should look through only our internal (when first char is '$') stuff, or when we should look through program variables, functions and types. Converted all of the clang expression code over to using "const ConstString&" values for names instead of "const char *" since there were many places that were converting the "const char *" names into ConstString names and them throwing them away. We now avoid making a lot of ConstString conversions and benefit from the quick comparisons in a few extra spots. Converted a lot of code from LLVM coding conventions into LLDB coding conventions. llvm-svn: 116634
2010-10-16 06:48:33 +08:00
)
Added support for rewriting objc_msgSend so we can call Objective-C methods from expressions. Also added some more logging to the function-calling thread plan so that we can see the registers when a function finishes. Also documented things maybe a bit better. llvm-svn: 109938
2010-07-31 09:32:05 +08:00
{
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
assert (m_parser_vars.get());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
<rdar://problem/13521159> LLDB is crashing when logging is enabled from lldb-perf-clang. This has to do with the global destructor chain as the process and its threads are being torn down. All logging channels now make one and only one instance that is kept in a global pointer which is never freed. This guarantees that logging can correctly continue as the process tears itself down. llvm-svn: 178191
2013-03-28 07:08:40 +08:00
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
Fixed a bunch of ownership problems with the expression parser. Specifically: - ClangUserExpression now keeps weak pointers to the structures it needs and then locks them when needed. This ensures that they continue to be valid without leaking memory if the ClangUserExpression is long lived. - ClangExpressionDeclMap, instead of keeping a pointer to an ExecutionContext, now contains an ExecutionContext. This prevents bugs if the pointer or its contents somehow become stale. It also no longer requires that ExecutionContexts be passed into any function except its initialization function, since it can count on the ExecutionContext still being around. There's a lot of room for improvement (specifically, ClangExpressionDeclMap should also use weak pointers insetad of shared pointers) but this is an important first step that codifies assumptions that already existed in the code. llvm-svn: 150217
2012-02-10 09:22:05 +08:00
ExecutionContext &exe_ctx = m_parser_vars->m_exe_ctx;
Target *target = exe_ctx.GetTargetPtr();
Added support for rewriting objc_msgSend so we can call Objective-C methods from expressions. Also added some more logging to the function-calling thread plan so that we can see the registers when a function finishes. Also documented things maybe a bit better. llvm-svn: 109938
2010-07-31 09:32:05 +08:00
// Back out in all cases where we're not fully initialized
Converted the lldb_private::Process over to use the intrusive shared pointers. Changed the ExecutionContext over to use shared pointers for the target, process, thread and frame since these objects can easily go away at any time and any object that was holding onto an ExecutionContext was running the risk of using a bad object. Now that the shared pointers for target, process, thread and frame are just a single pointer (they all use the instrusive shared pointers) the execution context is much safer and still the same size. Made the shared pointers in the the ExecutionContext class protected and made accessors for all of the various ways to get at the pointers, references, and shared pointers. llvm-svn: 140298
2011-09-22 12:58:26 +08:00
if (target == NULL)
Handle the case where you make a ClangExpressionDeclMap without a selected frame. llvm-svn: 121099
2010-12-07 09:56:02 +08:00
return false;
if (!m_parser_vars->m_sym_ctx.target_sp)
Added support for rewriting objc_msgSend so we can call Objective-C methods from expressions. Also added some more logging to the function-calling thread plan so that we can see the registers when a function finishes. Also documented things maybe a bit better. llvm-svn: 109938
2010-07-31 09:32:05 +08:00
return false;
Did a lot of code cleanup. Fixed the DWARF plug-in such that when it gets all attributes for a DIE, that it omits the DW_AT_sibling and DW_AT_declaration when getting attributes from a DW_AT_abstract_origin or DW_AT_specification DIE. llvm-svn: 118654
2010-11-10 07:46:37 +08:00
SymbolContextList sc_list;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed a performance problem where functions were being searched for in too heavyweight a way. Now, when asking for the address of a function, the expression parser just asks for a corresponding data symbol. llvm-svn: 137731
2011-08-17 02:09:29 +08:00
FindCodeSymbolInContext(name, m_parser_vars->m_sym_ctx, sc_list);
Add GNU indirect function support in expressions for Linux. llvm-svn: 176206
2013-02-28 04:13:38 +08:00
<rdar://problem/14496092> Fixed the expression parser to be able to iterate across all function name matches that it finds when it is looking for the address of a function that the IR is looking for. Also taught it to deal with reexported symbols. llvm-svn: 193716
2013-10-31 05:37:46 +08:00
uint32_t sc_list_size = sc_list.GetSize();
if (sc_list_size == 0)
For cases where a const function is inaccurately reported as non-const in the debug information, added a fallback to GetFunctionAddress, adding the const qualifier after the fact and searching again. llvm-svn: 131299
2011-05-14 02:27:02 +08:00
{
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
// We occasionally get debug information in which a const function is reported
For cases where a const function is inaccurately reported as non-const in the debug information, added a fallback to GetFunctionAddress, adding the const qualifier after the fact and searching again. llvm-svn: 131299
2011-05-14 02:27:02 +08:00
// as non-const, so the mangled name is wrong. This is a hack to compensate.
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed our handling of const functions, compensating for debug information that occasionally gets the const-ness of member functions wrong. We used to demangle the name, add "const," and remangle it; now we handle the mangled name directly, which is more robust. llvm-svn: 142933
2011-10-26 02:02:05 +08:00
if (!strncmp(name.GetCString(), "_ZN", 3) &&
strncmp(name.GetCString(), "_ZNK", 4))
For cases where a const function is inaccurately reported as non-const in the debug information, added a fallback to GetFunctionAddress, adding the const qualifier after the fact and searching again. llvm-svn: 131299
2011-05-14 02:27:02 +08:00
{
Fixed our handling of const functions, compensating for debug information that occasionally gets the const-ness of member functions wrong. We used to demangle the name, add "const," and remangle it; now we handle the mangled name directly, which is more robust. llvm-svn: 142933
2011-10-26 02:02:05 +08:00
std::string fixed_scratch("_ZNK");
fixed_scratch.append(name.GetCString() + 3);
ConstString fixed_name(fixed_scratch.c_str());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
For cases where a const function is inaccurately reported as non-const in the debug information, added a fallback to GetFunctionAddress, adding the const qualifier after the fact and searching again. llvm-svn: 131299
2011-05-14 02:27:02 +08:00
if (log)
Fixed our handling of const functions, compensating for debug information that occasionally gets the const-ness of member functions wrong. We used to demangle the name, add "const," and remangle it; now we handle the mangled name directly, which is more robust. llvm-svn: 142933
2011-10-26 02:02:05 +08:00
log->Printf("Failed to find symbols given non-const name %s; trying %s", name.GetCString(), fixed_name.GetCString());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed our handling of const functions, compensating for debug information that occasionally gets the const-ness of member functions wrong. We used to demangle the name, add "const," and remangle it; now we handle the mangled name directly, which is more robust. llvm-svn: 142933
2011-10-26 02:02:05 +08:00
FindCodeSymbolInContext(fixed_name, m_parser_vars->m_sym_ctx, sc_list);
<rdar://problem/14496092> Fixed the expression parser to be able to iterate across all function name matches that it finds when it is looking for the address of a function that the IR is looking for. Also taught it to deal with reexported symbols. llvm-svn: 193716
2013-10-31 05:37:46 +08:00
sc_list_size = sc_list.GetSize();
For cases where a const function is inaccurately reported as non-const in the debug information, added a fallback to GetFunctionAddress, adding the const qualifier after the fact and searching again. llvm-svn: 131299
2011-05-14 02:27:02 +08:00
}
}
Add GNU indirect function support in expressions for Linux. llvm-svn: 176206
2013-02-28 04:13:38 +08:00
<rdar://problem/14496092> Fixed the expression parser to be able to iterate across all function name matches that it finds when it is looking for the address of a function that the IR is looking for. Also taught it to deal with reexported symbols. llvm-svn: 193716
2013-10-31 05:37:46 +08:00
for (uint32_t i=0; i<sc_list_size; ++i)
{
SymbolContext sym_ctx;
sc_list.GetContextAtIndex(i, sym_ctx);
Add GNU indirect function support in expressions for Linux. llvm-svn: 176206
2013-02-28 04:13:38 +08:00
Fixed the Symbol code to resolve the callable address of the symbol itself rather than forcing clients to do it. This simplifies the logic for the expression parser a great deal. <rdar://problem/16935324> llvm-svn: 209494
2014-05-23 10:30:48 +08:00
lldb::addr_t callable_load_addr = LLDB_INVALID_ADDRESS;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
<rdar://problem/14496092> Fixed the expression parser to be able to iterate across all function name matches that it finds when it is looking for the address of a function that the IR is looking for. Also taught it to deal with reexported symbols. llvm-svn: 193716
2013-10-31 05:37:46 +08:00
if (sym_ctx.function)
{
Fixed the Symbol code to resolve the callable address of the symbol itself rather than forcing clients to do it. This simplifies the logic for the expression parser a great deal. <rdar://problem/16935324> llvm-svn: 209494
2014-05-23 10:30:48 +08:00
const Address func_so_addr = sym_ctx.function->GetAddressRange().GetBaseAddress();
if (func_so_addr.IsValid())
<rdar://problem/14496092> Fixed the expression parser to be able to iterate across all function name matches that it finds when it is looking for the address of a function that the IR is looking for. Also taught it to deal with reexported symbols. llvm-svn: 193716
2013-10-31 05:37:46 +08:00
{
Fixed the Symbol code to resolve the callable address of the symbol itself rather than forcing clients to do it. This simplifies the logic for the expression parser a great deal. <rdar://problem/16935324> llvm-svn: 209494
2014-05-23 10:30:48 +08:00
callable_load_addr = func_so_addr.GetCallableLoadAddress(target, false);
<rdar://problem/14496092> Fixed the expression parser to be able to iterate across all function name matches that it finds when it is looking for the address of a function that the IR is looking for. Also taught it to deal with reexported symbols. llvm-svn: 193716
2013-10-31 05:37:46 +08:00
}
}
Fixed the Symbol code to resolve the callable address of the symbol itself rather than forcing clients to do it. This simplifies the logic for the expression parser a great deal. <rdar://problem/16935324> llvm-svn: 209494
2014-05-23 10:30:48 +08:00
else if (sym_ctx.symbol)
{
callable_load_addr = sym_ctx.symbol->ResolveCallableAddress(*target);
}
Added a function to lldb_private::Address: addr_t Address::GetCallableLoadAddress (Target *target) const; This will resolve the load address in the Address object and optionally decorate the address up to be able to be called. For all non ARM targets, this just essentially returns the result of "Address::GetLoadAddress (target)". But for ARM targets, it checks if the address is Thumb, and if so, it returns an address with bit zero set to indicate a mode switch to Thumb. This is how we need function pointers to be for return addresses and when resolving function addresses for the JIT. It is also nice to centralize this in one spot to avoid having multiple copies of this code. llvm-svn: 131588
2011-05-19 06:01:49 +08:00
Fixed the Symbol code to resolve the callable address of the symbol itself rather than forcing clients to do it. This simplifies the logic for the expression parser a great deal. <rdar://problem/16935324> llvm-svn: 209494
2014-05-23 10:30:48 +08:00
if (callable_load_addr != LLDB_INVALID_ADDRESS)
<rdar://problem/14496092> Fixed the expression parser to be able to iterate across all function name matches that it finds when it is looking for the address of a function that the IR is looking for. Also taught it to deal with reexported symbols. llvm-svn: 193716
2013-10-31 05:37:46 +08:00
{
Fixed the Symbol code to resolve the callable address of the symbol itself rather than forcing clients to do it. This simplifies the logic for the expression parser a great deal. <rdar://problem/16935324> llvm-svn: 209494
2014-05-23 10:30:48 +08:00
func_addr = callable_load_addr;
return true;
<rdar://problem/14496092> Fixed the expression parser to be able to iterate across all function name matches that it finds when it is looking for the address of a function that the IR is looking for. Also taught it to deal with reexported symbols. llvm-svn: 193716
2013-10-31 05:37:46 +08:00
}
}
return false;
Added support for rewriting objc_msgSend so we can call Objective-C methods from expressions. Also added some more logging to the function-calling thread plan so that we can see the registers when a function finishes. Also documented things maybe a bit better. llvm-svn: 109938
2010-07-31 09:32:05 +08:00
}
Fixed an issue for ARM where data symbols would alway return invalid addresses. llvm-svn: 133684
2011-06-23 12:25:29 +08:00
addr_t
<rdar://problem/14496092> Fixed an issue with reexported symbols on MacOSX by adding support for symbols re-exporting symbols. There is now a new symbol type eSymbolTypeReExported which contains a new name for the re-exported symbol and the new shared library. These symbols are only used when a symbol is re-exported as a symbol under a different name. Modified the expression parser to be able to deal with finding the re-exported symbols and track down the actual symbol it refers to. llvm-svn: 193101
2013-10-22 02:40:51 +08:00
ClangExpressionDeclMap::GetSymbolAddress (Target &target,
Process *process,
const ConstString &name,
lldb::SymbolType symbol_type,
Fixes to get LLDB building on Windows again. llvm-svn: 193159
2013-10-22 20:27:43 +08:00
lldb_private::Module *module)
Added support for the fragile ivars provided by Apple's Objective-C 2.0 runtime. They are enabled if the Objective-C runtime has the proper version. llvm-svn: 123694
2011-01-18 07:42:46 +08:00
{
SymbolContextList sc_list;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
<rdar://problem/14496092> Fixed an issue with reexported symbols on MacOSX by adding support for symbols re-exporting symbols. There is now a new symbol type eSymbolTypeReExported which contains a new name for the re-exported symbol and the new shared library. These symbols are only used when a symbol is re-exported as a symbol under a different name. Modified the expression parser to be able to deal with finding the re-exported symbols and track down the actual symbol it refers to. llvm-svn: 193101
2013-10-22 02:40:51 +08:00
if (module)
module->FindSymbolsWithNameAndType(name, symbol_type, sc_list);
else
target.GetImages().FindSymbolsWithNameAndType(name, symbol_type, sc_list);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed an issue for ARM where data symbols would alway return invalid addresses. llvm-svn: 133684
2011-06-23 12:25:29 +08:00
const uint32_t num_matches = sc_list.GetSize();
addr_t symbol_load_addr = LLDB_INVALID_ADDRESS;
Made symbol lookup in the expression parser more robust: - Now a client can specify what kind of symbols are needed; notably, this allows looking up Objective-C class symbols specifically. - In the class of symbols being looked up, if one is non-NULL and others are NULL, LLDB now prefers the non-NULL one. llvm-svn: 145554
2011-12-01 10:04:16 +08:00
for (uint32_t i=0; i<num_matches && (symbol_load_addr == 0 || symbol_load_addr == LLDB_INVALID_ADDRESS); i++)
Fixed an issue for ARM where data symbols would alway return invalid addresses. llvm-svn: 133684
2011-06-23 12:25:29 +08:00
{
SymbolContext sym_ctx;
sc_list.GetContextAtIndex(i, sym_ctx);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
<rdar://problem/10997402> This fix really needed to happen as a previous fix I had submitted for calculating symbol sizes made many symbols appear to have zero size since the function that was calculating the symbol size was calling another function that would cause the calculation to happen again. This resulted in some symbols having zero size when they shouldn't. This could then cause infinite stack traces and many other side affects. llvm-svn: 152244
2012-03-08 05:03:09 +08:00
const Address *sym_address = &sym_ctx.symbol->GetAddress();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added checks to the expresssion parser which make searching for variables and symbols in the target more robust. These checks prevent variables from being reported as existing if they cannot actually be evaluated in the current context. llvm-svn: 134656
2011-07-08 07:05:43 +08:00
if (!sym_address || !sym_address->IsValid())
Fixed a problem where the expression parser would give up if it couldn't find the address for the first symbol it found with a particular name and type. <rdar://problem/13748253> llvm-svn: 180764
2013-04-30 08:21:42 +08:00
continue;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed an issue for ARM where data symbols would alway return invalid addresses. llvm-svn: 133684
2011-06-23 12:25:29 +08:00
if (sym_address)
{
switch (sym_ctx.symbol->GetType())
{
case eSymbolTypeCode:
case eSymbolTypeTrampoline:
symbol_load_addr = sym_address->GetCallableLoadAddress (&target);
break;
Add GNU indirect function support in expressions for Linux. llvm-svn: 176206
2013-02-28 04:13:38 +08:00
case eSymbolTypeResolver:
symbol_load_addr = sym_address->GetCallableLoadAddress (&target, true);
break;
<rdar://problem/14496092> Fixed an issue with reexported symbols on MacOSX by adding support for symbols re-exporting symbols. There is now a new symbol type eSymbolTypeReExported which contains a new name for the re-exported symbol and the new shared library. These symbols are only used when a symbol is re-exported as a symbol under a different name. Modified the expression parser to be able to deal with finding the re-exported symbols and track down the actual symbol it refers to. llvm-svn: 193101
2013-10-22 02:40:51 +08:00
case eSymbolTypeReExported:
{
ConstString reexport_name = sym_ctx.symbol->GetReExportedSymbolName();
if (reexport_name)
{
ModuleSP reexport_module_sp;
ModuleSpec reexport_module_spec;
reexport_module_spec.GetPlatformFileSpec() = sym_ctx.symbol->GetReExportedSymbolSharedLibrary();
if (reexport_module_spec.GetPlatformFileSpec())
{
reexport_module_sp = target.GetImages().FindFirstModule(reexport_module_spec);
if (!reexport_module_sp)
{
reexport_module_spec.GetPlatformFileSpec().GetDirectory().Clear();
reexport_module_sp = target.GetImages().FindFirstModule(reexport_module_spec);
}
}
symbol_load_addr = GetSymbolAddress(target, process, sym_ctx.symbol->GetReExportedSymbolName(), symbol_type, reexport_module_sp.get());
}
}
break;
Fixed an issue for ARM where data symbols would alway return invalid addresses. llvm-svn: 133684
2011-06-23 12:25:29 +08:00
case eSymbolTypeData:
case eSymbolTypeRuntime:
case eSymbolTypeVariable:
case eSymbolTypeLocal:
case eSymbolTypeParam:
case eSymbolTypeInvalid:
case eSymbolTypeAbsolute:
case eSymbolTypeException:
case eSymbolTypeSourceFile:
case eSymbolTypeHeaderFile:
case eSymbolTypeObjectFile:
case eSymbolTypeCommonBlock:
case eSymbolTypeBlock:
case eSymbolTypeVariableType:
case eSymbolTypeLineEntry:
case eSymbolTypeLineHeader:
case eSymbolTypeScopeBegin:
case eSymbolTypeScopeEnd:
case eSymbolTypeAdditional:
case eSymbolTypeCompiler:
case eSymbolTypeInstrumentation:
case eSymbolTypeUndefined:
Added new symbol types for Objective C classes, metaclasses, and ivars. Each object file can correctly make these symbols which will abstract us from the file format and ABI and we can then ask for the objective C class symbol for a class and find out which object file it was defined in. llvm-svn: 145744
2011-12-03 10:30:59 +08:00
case eSymbolTypeObjCClass:
case eSymbolTypeObjCMetaClass:
case eSymbolTypeObjCIVar:
Fixed an issue for ARM where data symbols would alway return invalid addresses. llvm-svn: 133684
2011-06-23 12:25:29 +08:00
symbol_load_addr = sym_address->GetLoadAddress (&target);
break;
}
}
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
In cases where the Objective-C ivar symbols are stripped out, expressions that refer to ivars will not work because Clang emits IR that refers to them to get the ivar offsets. However, it is possible to search the runtime for these values. I have added support for reading the relevant tables to the Objective-C runtime, and extended ClangExpressionDeclMap to query that information if and only if it doesn't find the symbols in the binary. Also added a testcase. <rdar://problem/12628122> llvm-svn: 168018
2012-11-15 10:02:04 +08:00
if (symbol_load_addr == LLDB_INVALID_ADDRESS && process)
{
ObjCLanguageRuntime *runtime = process->GetObjCLanguageRuntime();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
In cases where the Objective-C ivar symbols are stripped out, expressions that refer to ivars will not work because Clang emits IR that refers to them to get the ivar offsets. However, it is possible to search the runtime for these values. I have added support for reading the relevant tables to the Objective-C runtime, and extended ClangExpressionDeclMap to query that information if and only if it doesn't find the symbols in the binary. Also added a testcase. <rdar://problem/12628122> llvm-svn: 168018
2012-11-15 10:02:04 +08:00
if (runtime)
{
symbol_load_addr = runtime->LookupRuntimeSymbol(name);
}
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed an issue for ARM where data symbols would alway return invalid addresses. llvm-svn: 133684
2011-06-23 12:25:29 +08:00
return symbol_load_addr;
Added support for the fragile ivars provided by Apple's Objective-C 2.0 runtime. They are enabled if the Objective-C runtime has the proper version. llvm-svn: 123694
2011-01-18 07:42:46 +08:00
}
Fixed an issue for ARM where data symbols would alway return invalid addresses. llvm-svn: 133684
2011-06-23 12:25:29 +08:00
addr_t
Made symbol lookup in the expression parser more robust: - Now a client can specify what kind of symbols are needed; notably, this allows looking up Objective-C class symbols specifically. - In the class of symbols being looked up, if one is non-NULL and others are NULL, LLDB now prefers the non-NULL one. llvm-svn: 145554
2011-12-01 10:04:16 +08:00
ClangExpressionDeclMap::GetSymbolAddress (const ConstString &name, lldb::SymbolType symbol_type)
Added support for reading untyped symbols. Right now they are treated as pointers of type (void*). This allows reading of environ, for instance. llvm-svn: 131063
2011-05-08 10:21:26 +08:00
{
assert (m_parser_vars.get());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed a bunch of ownership problems with the expression parser. Specifically: - ClangUserExpression now keeps weak pointers to the structures it needs and then locks them when needed. This ensures that they continue to be valid without leaking memory if the ClangUserExpression is long lived. - ClangExpressionDeclMap, instead of keeping a pointer to an ExecutionContext, now contains an ExecutionContext. This prevents bugs if the pointer or its contents somehow become stale. It also no longer requires that ExecutionContexts be passed into any function except its initialization function, since it can count on the ExecutionContext still being around. There's a lot of room for improvement (specifically, ClangExpressionDeclMap should also use weak pointers insetad of shared pointers) but this is an important first step that codifies assumptions that already existed in the code. llvm-svn: 150217
2012-02-10 09:22:05 +08:00
if (!m_parser_vars->m_exe_ctx.GetTargetPtr())
Added support for reading untyped symbols. Right now they are treated as pointers of type (void*). This allows reading of environ, for instance. llvm-svn: 131063
2011-05-08 10:21:26 +08:00
return false;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
In cases where the Objective-C ivar symbols are stripped out, expressions that refer to ivars will not work because Clang emits IR that refers to them to get the ivar offsets. However, it is possible to search the runtime for these values. I have added support for reading the relevant tables to the Objective-C runtime, and extended ClangExpressionDeclMap to query that information if and only if it doesn't find the symbols in the binary. Also added a testcase. <rdar://problem/12628122> llvm-svn: 168018
2012-11-15 10:02:04 +08:00
return GetSymbolAddress(m_parser_vars->m_exe_ctx.GetTargetRef(), m_parser_vars->m_exe_ctx.GetProcessPtr(), name, symbol_type);
Added support for reading untyped symbols. Right now they are treated as pointers of type (void*). This allows reading of environ, for instance. llvm-svn: 131063
2011-05-08 10:21:26 +08:00
}
<rdar://problem/12106825> Allow the expression parser to see more than just data symbols. We now accept any symbol that has an address. We take precautions to only accept symbols by their mangled or demangled names only if the demangled name was not synthesized. If the demangled name is synthesized, then we now mark symbols accordingly and only compare against the mangled original name. llvm-svn: 168668
2012-11-27 09:52:16 +08:00
const Symbol *
ClangExpressionDeclMap::FindGlobalDataSymbol (Target &target,
<rdar://problem/14496092> Fixed an issue with reexported symbols on MacOSX by adding support for symbols re-exporting symbols. There is now a new symbol type eSymbolTypeReExported which contains a new name for the re-exported symbol and the new shared library. These symbols are only used when a symbol is re-exported as a symbol under a different name. Modified the expression parser to be able to deal with finding the re-exported symbols and track down the actual symbol it refers to. llvm-svn: 193101
2013-10-22 02:40:51 +08:00
const ConstString &name,
Fixes to get LLDB building on Windows again. llvm-svn: 193159
2013-10-22 20:27:43 +08:00
lldb_private::Module *module)
Added support for reading untyped symbols. Right now they are treated as pointers of type (void*). This allows reading of environ, for instance. llvm-svn: 131063
2011-05-08 10:21:26 +08:00
{
SymbolContextList sc_list;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
<rdar://problem/14496092> Fixed an issue with reexported symbols on MacOSX by adding support for symbols re-exporting symbols. There is now a new symbol type eSymbolTypeReExported which contains a new name for the re-exported symbol and the new shared library. These symbols are only used when a symbol is re-exported as a symbol under a different name. Modified the expression parser to be able to deal with finding the re-exported symbols and track down the actual symbol it refers to. llvm-svn: 193101
2013-10-22 02:40:51 +08:00
if (module)
module->FindSymbolsWithNameAndType(name, eSymbolTypeAny, sc_list);
else
target.GetImages().FindSymbolsWithNameAndType(name, eSymbolTypeAny, sc_list);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
<rdar://problem/12106825> Allow the expression parser to see more than just data symbols. We now accept any symbol that has an address. We take precautions to only accept symbols by their mangled or demangled names only if the demangled name was not synthesized. If the demangled name is synthesized, then we now mark symbols accordingly and only compare against the mangled original name. llvm-svn: 168668
2012-11-27 09:52:16 +08:00
const uint32_t matches = sc_list.GetSize();
for (uint32_t i=0; i<matches; ++i)
Added support for reading untyped symbols. Right now they are treated as pointers of type (void*). This allows reading of environ, for instance. llvm-svn: 131063
2011-05-08 10:21:26 +08:00
{
SymbolContext sym_ctx;
<rdar://problem/12106825> Allow the expression parser to see more than just data symbols. We now accept any symbol that has an address. We take precautions to only accept symbols by their mangled or demangled names only if the demangled name was not synthesized. If the demangled name is synthesized, then we now mark symbols accordingly and only compare against the mangled original name. llvm-svn: 168668
2012-11-27 09:52:16 +08:00
sc_list.GetContextAtIndex(i, sym_ctx);
if (sym_ctx.symbol)
{
const Symbol *symbol = sym_ctx.symbol;
const Address *sym_address = &symbol->GetAddress();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
<rdar://problem/12106825> Allow the expression parser to see more than just data symbols. We now accept any symbol that has an address. We take precautions to only accept symbols by their mangled or demangled names only if the demangled name was not synthesized. If the demangled name is synthesized, then we now mark symbols accordingly and only compare against the mangled original name. llvm-svn: 168668
2012-11-27 09:52:16 +08:00
if (sym_address && sym_address->IsValid())
{
switch (symbol->GetType())
{
case eSymbolTypeData:
case eSymbolTypeRuntime:
case eSymbolTypeAbsolute:
case eSymbolTypeObjCClass:
case eSymbolTypeObjCMetaClass:
case eSymbolTypeObjCIVar:
if (symbol->GetDemangledNameIsSynthesized())
{
// If the demangled name was synthesized, then don't use it
// for expressions. Only let the symbol match if the mangled
// named matches for these symbols.
if (symbol->GetMangled().GetMangledName() != name)
break;
}
return symbol;
<rdar://problem/14496092> Fixed an issue with reexported symbols on MacOSX by adding support for symbols re-exporting symbols. There is now a new symbol type eSymbolTypeReExported which contains a new name for the re-exported symbol and the new shared library. These symbols are only used when a symbol is re-exported as a symbol under a different name. Modified the expression parser to be able to deal with finding the re-exported symbols and track down the actual symbol it refers to. llvm-svn: 193101
2013-10-22 02:40:51 +08:00
case eSymbolTypeReExported:
{
ConstString reexport_name = symbol->GetReExportedSymbolName();
if (reexport_name)
{
ModuleSP reexport_module_sp;
ModuleSpec reexport_module_spec;
reexport_module_spec.GetPlatformFileSpec() = symbol->GetReExportedSymbolSharedLibrary();
if (reexport_module_spec.GetPlatformFileSpec())
{
reexport_module_sp = target.GetImages().FindFirstModule(reexport_module_spec);
if (!reexport_module_sp)
{
reexport_module_spec.GetPlatformFileSpec().GetDirectory().Clear();
reexport_module_sp = target.GetImages().FindFirstModule(reexport_module_spec);
}
}
return FindGlobalDataSymbol(target, symbol->GetReExportedSymbolName(), reexport_module_sp.get());
}
}
break;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
<rdar://problem/12106825> Allow the expression parser to see more than just data symbols. We now accept any symbol that has an address. We take precautions to only accept symbols by their mangled or demangled names only if the demangled name was not synthesized. If the demangled name is synthesized, then we now mark symbols accordingly and only compare against the mangled original name. llvm-svn: 168668
2012-11-27 09:52:16 +08:00
case eSymbolTypeCode: // We already lookup functions elsewhere
case eSymbolTypeVariable:
case eSymbolTypeLocal:
case eSymbolTypeParam:
case eSymbolTypeTrampoline:
case eSymbolTypeInvalid:
case eSymbolTypeException:
case eSymbolTypeSourceFile:
case eSymbolTypeHeaderFile:
case eSymbolTypeObjectFile:
case eSymbolTypeCommonBlock:
case eSymbolTypeBlock:
case eSymbolTypeVariableType:
case eSymbolTypeLineEntry:
case eSymbolTypeLineHeader:
case eSymbolTypeScopeBegin:
case eSymbolTypeScopeEnd:
case eSymbolTypeAdditional:
case eSymbolTypeCompiler:
case eSymbolTypeInstrumentation:
case eSymbolTypeUndefined:
Add GNU indirect function support in expressions for Linux. llvm-svn: 176206
2013-02-28 04:13:38 +08:00
case eSymbolTypeResolver:
<rdar://problem/12106825> Allow the expression parser to see more than just data symbols. We now accept any symbol that has an address. We take precautions to only accept symbols by their mangled or demangled names only if the demangled name was not synthesized. If the demangled name is synthesized, then we now mark symbols accordingly and only compare against the mangled original name. llvm-svn: 168668
2012-11-27 09:52:16 +08:00
break;
}
}
}
Added support for reading untyped symbols. Right now they are treated as pointers of type (void*). This allows reading of environ, for instance. llvm-svn: 131063
2011-05-08 10:21:26 +08:00
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added support for reading untyped symbols. Right now they are treated as pointers of type (void*). This allows reading of environ, for instance. llvm-svn: 131063
2011-05-08 10:21:26 +08:00
return NULL;
}
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
lldb::VariableSP
ClangExpressionDeclMap::FindGlobalVariable
(
Target &target,
Made FindGlobalVariable() optionally search a specific module and namespace. Also made it use FindGlobalVariables() instead of the more heavyweight GetVariablesForVariableExpressionPath(). llvm-svn: 141783
2011-10-13 00:59:31 +08:00
ModuleSP &module,
const ConstString &name,
ClangNamespaceDecl *namespace_decl,
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
TypeFromUser *type
)
{
VariableList vars;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Made FindGlobalVariable() optionally search a specific module and namespace. Also made it use FindGlobalVariables() instead of the more heavyweight GetVariablesForVariableExpressionPath(). llvm-svn: 141783
2011-10-13 00:59:31 +08:00
if (module && namespace_decl)
module->FindGlobalVariables (name, namespace_decl, true, -1, vars);
else
target.GetImages().FindGlobalVariables(name, true, -1, vars);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
if (vars.GetSize())
{
if (type)
{
for (size_t i = 0; i < vars.GetSize(); ++i)
{
VariableSP var_sp = vars.GetVariableAtIndex(i);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
if (ClangASTContext::AreTypesSame(*type, var_sp->GetType()->GetClangFullType()))
return var_sp;
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
}
}
else
{
return vars.GetVariableAtIndex(0);
}
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return VariableSP();
}
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
// Interface for ClangASTSource
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
Implemented a namespace map that allows searching of namespaces (only in the modules where they've been found) for entities inside those namespaces. For each NamespaceDecl that has been imported into the parser, we maintain a map containing [ModuleSP, ClangNamespaceDecl] pairs in the ASTImporter. This map has one entry for each module in which the namespace has been found. When we later scan for an entity inside a namespace, we search only the modules in which that namespace was found. Also made a small whitespace fix in ClangExpressionParser.cpp. llvm-svn: 141748
2011-10-12 08:12:34 +08:00
void
As part of a general refactoring of ClangASTSource to allow it to complete types on behalf of any AST context (including the "scratch" AST context associated with the target), I scrapped its role as intermediary between the Clang parser and ClangExpressionDeclMap, and instead made ClangExpressionDeclMap inherit from ClangASTSource. After this, I will migrate the functions that complete types and perform namespace lookups from ClangExpressionDeclMap to ClangASTSource. Ultimately ClangExpressionDeclMap's only responsiblity will be to look up variables and ensure that they are materialized and dematerialized correctly. llvm-svn: 143253
2011-10-29 07:38:38 +08:00
ClangExpressionDeclMap::FindExternalVisibleDecls (NameSearchContext &context)
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
{
As part of a general refactoring of ClangASTSource to allow it to complete types on behalf of any AST context (including the "scratch" AST context associated with the target), I scrapped its role as intermediary between the Clang parser and ClangExpressionDeclMap, and instead made ClangExpressionDeclMap inherit from ClangASTSource. After this, I will migrate the functions that complete types and perform namespace lookups from ClangExpressionDeclMap to ClangASTSource. Ultimately ClangExpressionDeclMap's only responsiblity will be to look up variables and ensure that they are materialized and dematerialized correctly. llvm-svn: 143253
2011-10-29 07:38:38 +08:00
assert (m_ast_context);
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Added very lightweight, statically-allocated counters for a variety of metrics associated with expression parsing. This should give some idea of how much work the expression parser is doing on Clang's behalf, and help with hopefully reducing that load over time. <rdar://problem/13210748> Audit type search/import for expressions llvm-svn: 176714
2013-03-09 04:04:57 +08:00
ClangASTMetrics::RegisterVisibleQuery();
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
As part of a general refactoring of ClangASTSource to allow it to complete types on behalf of any AST context (including the "scratch" AST context associated with the target), I scrapped its role as intermediary between the Clang parser and ClangExpressionDeclMap, and instead made ClangExpressionDeclMap inherit from ClangASTSource. After this, I will migrate the functions that complete types and perform namespace lookups from ClangExpressionDeclMap to ClangASTSource. Ultimately ClangExpressionDeclMap's only responsiblity will be to look up variables and ensure that they are materialized and dematerialized correctly. llvm-svn: 143253
2011-10-29 07:38:38 +08:00
const ConstString name(context.m_decl_name.getAsString().c_str());
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
<rdar://problem/13521159> LLDB is crashing when logging is enabled from lldb-perf-clang. This has to do with the global destructor chain as the process and its threads are being torn down. All logging channels now make one and only one instance that is kept in a global pointer which is never freed. This guarantees that logging can correctly continue as the process tears itself down. llvm-svn: 178191
2013-03-28 07:08:40 +08:00
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Cloned FindExternalVisibleDecls from ClangExpressionDeclMap to ClangASTSource, and moved all general type and namespace lookups into ClangASTSource. Now ClangASTSource is ready to complete types given nothing more than a target and an AST context. llvm-svn: 143292
2011-10-30 03:50:43 +08:00
if (GetImportInProgress())
Modifications to type handling logic. We no longer perform recursive type lookups, because these are not required for full type fidelity. We also make the SelectorTable last for the full lifetime of the Clang compiler; this was the source of many bugs. llvm-svn: 119835
2010-11-20 04:20:02 +08:00
{
Improved expression logging. Now all calls to FindExternalVisibleDecls and FindExternalLexicalDecls are marked and given unique IDs, so that all logging done as part of their execution can be traced back to the proper call. Also there was some logging that really wasn't helpful in most cases so I disabled it unless verbose logging (log enable -v lldb expr) is enabled. llvm-svn: 141987
2011-10-15 04:34:21 +08:00
if (log && log->GetVerbose())
Modifications to type handling logic. We no longer perform recursive type lookups, because these are not required for full type fidelity. We also make the SelectorTable last for the full lifetime of the Clang compiler; this was the source of many bugs. llvm-svn: 119835
2010-11-20 04:20:02 +08:00
log->Printf("Ignoring a query during an import");
return;
}
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Improved expression logging. Now all calls to FindExternalVisibleDecls and FindExternalLexicalDecls are marked and given unique IDs, so that all logging done as part of their execution can be traced back to the proper call. Also there was some logging that really wasn't helpful in most cases so I disabled it unless verbose logging (log enable -v lldb expr) is enabled. llvm-svn: 141987
2011-10-15 04:34:21 +08:00
static unsigned int invocation_id = 0;
unsigned int current_id = invocation_id++;
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Implemented a namespace map that allows searching of namespaces (only in the modules where they've been found) for entities inside those namespaces. For each NamespaceDecl that has been imported into the parser, we maintain a map containing [ModuleSP, ClangNamespaceDecl] pairs in the ASTImporter. This map has one entry for each module in which the namespace has been found. When we later scan for an entity inside a namespace, we search only the modules in which that namespace was found. Also made a small whitespace fix in ClangExpressionParser.cpp. llvm-svn: 141748
2011-10-12 08:12:34 +08:00
if (log)
{
if (!context.m_decl_context)
Cloned FindExternalVisibleDecls from ClangExpressionDeclMap to ClangASTSource, and moved all general type and namespace lookups into ClangASTSource. Now ClangASTSource is ready to complete types given nothing more than a target and an AST context. llvm-svn: 143292
2011-10-30 03:50:43 +08:00
log->Printf("ClangExpressionDeclMap::FindExternalVisibleDecls[%u] for '%s' in a NULL DeclContext", current_id, name.GetCString());
Implemented a namespace map that allows searching of namespaces (only in the modules where they've been found) for entities inside those namespaces. For each NamespaceDecl that has been imported into the parser, we maintain a map containing [ModuleSP, ClangNamespaceDecl] pairs in the ASTImporter. This map has one entry for each module in which the namespace has been found. When we later scan for an entity inside a namespace, we search only the modules in which that namespace was found. Also made a small whitespace fix in ClangExpressionParser.cpp. llvm-svn: 141748
2011-10-12 08:12:34 +08:00
else if (const NamedDecl *context_named_decl = dyn_cast<NamedDecl>(context.m_decl_context))
Cloned FindExternalVisibleDecls from ClangExpressionDeclMap to ClangASTSource, and moved all general type and namespace lookups into ClangASTSource. Now ClangASTSource is ready to complete types given nothing more than a target and an AST context. llvm-svn: 143292
2011-10-30 03:50:43 +08:00
log->Printf("ClangExpressionDeclMap::FindExternalVisibleDecls[%u] for '%s' in '%s'", current_id, name.GetCString(), context_named_decl->getNameAsString().c_str());
Implemented a namespace map that allows searching of namespaces (only in the modules where they've been found) for entities inside those namespaces. For each NamespaceDecl that has been imported into the parser, we maintain a map containing [ModuleSP, ClangNamespaceDecl] pairs in the ASTImporter. This map has one entry for each module in which the namespace has been found. When we later scan for an entity inside a namespace, we search only the modules in which that namespace was found. Also made a small whitespace fix in ClangExpressionParser.cpp. llvm-svn: 141748
2011-10-12 08:12:34 +08:00
else
Cloned FindExternalVisibleDecls from ClangExpressionDeclMap to ClangASTSource, and moved all general type and namespace lookups into ClangASTSource. Now ClangASTSource is ready to complete types given nothing more than a target and an AST context. llvm-svn: 143292
2011-10-30 03:50:43 +08:00
log->Printf("ClangExpressionDeclMap::FindExternalVisibleDecls[%u] for '%s' in a '%s'", current_id, name.GetCString(), context.m_decl_context->getDeclKindName());
Implemented a namespace map that allows searching of namespaces (only in the modules where they've been found) for entities inside those namespaces. For each NamespaceDecl that has been imported into the parser, we maintain a map containing [ModuleSP, ClangNamespaceDecl] pairs in the ASTImporter. This map has one entry for each module in which the namespace has been found. When we later scan for an entity inside a namespace, we search only the modules in which that namespace was found. Also made a small whitespace fix in ClangExpressionParser.cpp. llvm-svn: 141748
2011-10-12 08:12:34 +08:00
}
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Implemented a namespace map that allows searching of namespaces (only in the modules where they've been found) for entities inside those namespaces. For each NamespaceDecl that has been imported into the parser, we maintain a map containing [ModuleSP, ClangNamespaceDecl] pairs in the ASTImporter. This map has one entry for each module in which the namespace has been found. When we later scan for an entity inside a namespace, we search only the modules in which that namespace was found. Also made a small whitespace fix in ClangExpressionParser.cpp. llvm-svn: 141748
2011-10-12 08:12:34 +08:00
if (const NamespaceDecl *namespace_context = dyn_cast<NamespaceDecl>(context.m_decl_context))
{
I moved the responsibility for interacting with the AST importer on completing namespace mappings from ClangExpressionDeclMap to ClangASTSource. ClangASTSource now contains a TargetSP which it uses to lookup namespaces in all of a target's modules. I will use the TargetSP in the future to look up globals. llvm-svn: 143275
2011-10-29 09:58:46 +08:00
ClangASTImporter::NamespaceMapSP namespace_map = m_ast_importer->GetNamespaceMap(namespace_context);
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Improved expression logging. Now all calls to FindExternalVisibleDecls and FindExternalLexicalDecls are marked and given unique IDs, so that all logging done as part of their execution can be traced back to the proper call. Also there was some logging that really wasn't helpful in most cases so I disabled it unless verbose logging (log enable -v lldb expr) is enabled. llvm-svn: 141987
2011-10-15 04:34:21 +08:00
if (log && log->GetVerbose())
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
log->Printf(" CEDM::FEVD[%u] Inspecting (NamespaceMap*)%p (%d entries)",
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
current_id, static_cast<void*>(namespace_map.get()),
Improved expression logging. Now all calls to FindExternalVisibleDecls and FindExternalLexicalDecls are marked and given unique IDs, so that all logging done as part of their execution can be traced back to the proper call. Also there was some logging that really wasn't helpful in most cases so I disabled it unless verbose logging (log enable -v lldb expr) is enabled. llvm-svn: 141987
2011-10-15 04:34:21 +08:00
(int)namespace_map->size());
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Implemented an extension to the namespace map that permits a namespace map to be created and populated when the namespace is imported, not just when it is requested via FindExternalVisibleDecls(). llvm-svn: 142690
2011-10-22 06:18:07 +08:00
if (!namespace_map)
return;
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Implemented a namespace map that allows searching of namespaces (only in the modules where they've been found) for entities inside those namespaces. For each NamespaceDecl that has been imported into the parser, we maintain a map containing [ModuleSP, ClangNamespaceDecl] pairs in the ASTImporter. This map has one entry for each module in which the namespace has been found. When we later scan for an entity inside a namespace, we search only the modules in which that namespace was found. Also made a small whitespace fix in ClangExpressionParser.cpp. llvm-svn: 141748
2011-10-12 08:12:34 +08:00
for (ClangASTImporter::NamespaceMap::iterator i = namespace_map->begin(), e = namespace_map->end();
i != e;
++i)
{
if (log)
Cloned FindExternalVisibleDecls from ClangExpressionDeclMap to ClangASTSource, and moved all general type and namespace lookups into ClangASTSource. Now ClangASTSource is ready to complete types given nothing more than a target and an AST context. llvm-svn: 143292
2011-10-30 03:50:43 +08:00
log->Printf(" CEDM::FEVD[%u] Searching namespace %s in module %s",
Improved expression logging. Now all calls to FindExternalVisibleDecls and FindExternalLexicalDecls are marked and given unique IDs, so that all logging done as part of their execution can be traced back to the proper call. Also there was some logging that really wasn't helpful in most cases so I disabled it unless verbose logging (log enable -v lldb expr) is enabled. llvm-svn: 141987
2011-10-15 04:34:21 +08:00
current_id,
Implemented a namespace map that allows searching of namespaces (only in the modules where they've been found) for entities inside those namespaces. For each NamespaceDecl that has been imported into the parser, we maintain a map containing [ModuleSP, ClangNamespaceDecl] pairs in the ASTImporter. This map has one entry for each module in which the namespace has been found. When we later scan for an entity inside a namespace, we search only the modules in which that namespace was found. Also made a small whitespace fix in ClangExpressionParser.cpp. llvm-svn: 141748
2011-10-12 08:12:34 +08:00
i->second.GetNamespaceDecl()->getNameAsString().c_str(),
i->first->GetFileSpec().GetFilename().GetCString());
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Enabled the namespace-specific search functionality, which had previously been commented out while I tested it. It's not fully working yet, but it doesn't break our testsuite and it's an important piece of functionality. Also added some logging to SymbolFileDWARF to help diagnose entities that are found in a symbol file, but do not reside in the expected namespace. llvm-svn: 141894
2011-10-14 05:50:33 +08:00
FindExternalVisibleDecls(context,
i->first,
i->second,
Improved expression logging. Now all calls to FindExternalVisibleDecls and FindExternalLexicalDecls are marked and given unique IDs, so that all logging done as part of their execution can be traced back to the proper call. Also there was some logging that really wasn't helpful in most cases so I disabled it unless verbose logging (log enable -v lldb expr) is enabled. llvm-svn: 141987
2011-10-15 04:34:21 +08:00
current_id);
Implemented a namespace map that allows searching of namespaces (only in the modules where they've been found) for entities inside those namespaces. For each NamespaceDecl that has been imported into the parser, we maintain a map containing [ModuleSP, ClangNamespaceDecl] pairs in the ASTImporter. This map has one entry for each module in which the namespace has been found. When we later scan for an entity inside a namespace, we search only the modules in which that namespace was found. Also made a small whitespace fix in ClangExpressionParser.cpp. llvm-svn: 141748
2011-10-12 08:12:34 +08:00
}
}
Pulled in a new version of LLVM/Clang to solve a variety of problems with Objective-C object completion. To go along with the LLVM/Clang-side fixes, we have a variety of Objective-C improvements. Fixes include: - It is now possible to run expressions when stopped in an Objective-C class method and have "self" act just like "self" would act in the class method itself (i.e., [self classMethod] works without casting the return type if debug info is present). To accomplish this, the expression masquerades as a class method added by a category. - Objective-C objects can now provide methods and properties and methods to Clang on demand (i.e., the ASTImporter sets hasExternalVisibleDecls on Objective-C interface objects). - Objective-C built-in types, which had long been a bone of contention (should we be using "id"? "id*"?), are now fetched correctly using accessor functions on ClangASTContext. We inhibit searches for them in the debug information. There are also a variety of logging fixes, and I made two changes to the test suite: - Enabled a test case for Objective-C properties in the current translation unit. - Added a test case for calling Objective-C class methods when stopped in a class method. llvm-svn: 144607
2011-11-15 10:11:17 +08:00
else if (isa<TranslationUnitDecl>(context.m_decl_context))
Implemented a namespace map that allows searching of namespaces (only in the modules where they've been found) for entities inside those namespaces. For each NamespaceDecl that has been imported into the parser, we maintain a map containing [ModuleSP, ClangNamespaceDecl] pairs in the ASTImporter. This map has one entry for each module in which the namespace has been found. When we later scan for an entity inside a namespace, we search only the modules in which that namespace was found. Also made a small whitespace fix in ClangExpressionParser.cpp. llvm-svn: 141748
2011-10-12 08:12:34 +08:00
{
ClangNamespaceDecl namespace_decl;
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Implemented a namespace map that allows searching of namespaces (only in the modules where they've been found) for entities inside those namespaces. For each NamespaceDecl that has been imported into the parser, we maintain a map containing [ModuleSP, ClangNamespaceDecl] pairs in the ASTImporter. This map has one entry for each module in which the namespace has been found. When we later scan for an entity inside a namespace, we search only the modules in which that namespace was found. Also made a small whitespace fix in ClangExpressionParser.cpp. llvm-svn: 141748
2011-10-12 08:12:34 +08:00
if (log)
Cloned FindExternalVisibleDecls from ClangExpressionDeclMap to ClangASTSource, and moved all general type and namespace lookups into ClangASTSource. Now ClangASTSource is ready to complete types given nothing more than a target and an AST context. llvm-svn: 143292
2011-10-30 03:50:43 +08:00
log->Printf(" CEDM::FEVD[%u] Searching the root namespace", current_id);
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Implemented a namespace map that allows searching of namespaces (only in the modules where they've been found) for entities inside those namespaces. For each NamespaceDecl that has been imported into the parser, we maintain a map containing [ModuleSP, ClangNamespaceDecl] pairs in the ASTImporter. This map has one entry for each module in which the namespace has been found. When we later scan for an entity inside a namespace, we search only the modules in which that namespace was found. Also made a small whitespace fix in ClangExpressionParser.cpp. llvm-svn: 141748
2011-10-12 08:12:34 +08:00
FindExternalVisibleDecls(context,
lldb::ModuleSP(),
namespace_decl,
Improved expression logging. Now all calls to FindExternalVisibleDecls and FindExternalLexicalDecls are marked and given unique IDs, so that all logging done as part of their execution can be traced back to the proper call. Also there was some logging that really wasn't helpful in most cases so I disabled it unless verbose logging (log enable -v lldb expr) is enabled. llvm-svn: 141987
2011-10-15 04:34:21 +08:00
current_id);
Implemented a namespace map that allows searching of namespaces (only in the modules where they've been found) for entities inside those namespaces. For each NamespaceDecl that has been imported into the parser, we maintain a map containing [ModuleSP, ClangNamespaceDecl] pairs in the ASTImporter. This map has one entry for each module in which the namespace has been found. When we later scan for an entity inside a namespace, we search only the modules in which that namespace was found. Also made a small whitespace fix in ClangExpressionParser.cpp. llvm-svn: 141748
2011-10-12 08:12:34 +08:00
}
sweep up -Wformat warnings from gcc This is a purely mechanical change explicitly casting any parameters for printf style conversion. This cleans up the warnings emitted by gcc 4.8 on Linux. llvm-svn: 205607
2014-04-04 12:06:10 +08:00
Cloned FindExternalVisibleDecls from ClangExpressionDeclMap to ClangASTSource, and moved all general type and namespace lookups into ClangASTSource. Now ClangASTSource is ready to complete types given nothing more than a target and an AST context. llvm-svn: 143292
2011-10-30 03:50:43 +08:00
if (!context.m_found.variable)
ClangASTSource::FindExternalVisibleDecls(context);
Implemented a namespace map that allows searching of namespaces (only in the modules where they've been found) for entities inside those namespaces. For each NamespaceDecl that has been imported into the parser, we maintain a map containing [ModuleSP, ClangNamespaceDecl] pairs in the ASTImporter. This map has one entry for each module in which the namespace has been found. When we later scan for an entity inside a namespace, we search only the modules in which that namespace was found. Also made a small whitespace fix in ClangExpressionParser.cpp. llvm-svn: 141748
2011-10-12 08:12:34 +08:00
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
void
ClangExpressionDeclMap::FindExternalVisibleDecls (NameSearchContext &context,
Made the expression parser's type search call the proper namespace-aware APIs. llvm-svn: 141797
2011-10-13 02:44:30 +08:00
lldb::ModuleSP module_sp,
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
ClangNamespaceDecl &namespace_decl,
Improved expression logging. Now all calls to FindExternalVisibleDecls and FindExternalLexicalDecls are marked and given unique IDs, so that all logging done as part of their execution can be traced back to the proper call. Also there was some logging that really wasn't helpful in most cases so I disabled it unless verbose logging (log enable -v lldb expr) is enabled. llvm-svn: 141987
2011-10-15 04:34:21 +08:00
unsigned int current_id)
Implemented a namespace map that allows searching of namespaces (only in the modules where they've been found) for entities inside those namespaces. For each NamespaceDecl that has been imported into the parser, we maintain a map containing [ModuleSP, ClangNamespaceDecl] pairs in the ASTImporter. This map has one entry for each module in which the namespace has been found. When we later scan for an entity inside a namespace, we search only the modules in which that namespace was found. Also made a small whitespace fix in ClangExpressionParser.cpp. llvm-svn: 141748
2011-10-12 08:12:34 +08:00
{
As part of a general refactoring of ClangASTSource to allow it to complete types on behalf of any AST context (including the "scratch" AST context associated with the target), I scrapped its role as intermediary between the Clang parser and ClangExpressionDeclMap, and instead made ClangExpressionDeclMap inherit from ClangASTSource. After this, I will migrate the functions that complete types and perform namespace lookups from ClangExpressionDeclMap to ClangASTSource. Ultimately ClangExpressionDeclMap's only responsiblity will be to look up variables and ensure that they are materialized and dematerialized correctly. llvm-svn: 143253
2011-10-29 07:38:38 +08:00
assert (m_ast_context);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
<rdar://problem/13521159> LLDB is crashing when logging is enabled from lldb-perf-clang. This has to do with the global destructor chain as the process and its threads are being torn down. All logging channels now make one and only one instance that is kept in a global pointer which is never freed. This guarantees that logging can correctly continue as the process tears itself down. llvm-svn: 178191
2013-03-28 07:08:40 +08:00
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Did a lot of code cleanup. Fixed the DWARF plug-in such that when it gets all attributes for a DIE, that it omits the DW_AT_sibling and DW_AT_declaration when getting attributes from a DW_AT_abstract_origin or DW_AT_specification DIE. llvm-svn: 118654
2010-11-10 07:46:37 +08:00
SymbolContextList sc_list;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Cloned FindExternalVisibleDecls from ClangExpressionDeclMap to ClangASTSource, and moved all general type and namespace lookups into ClangASTSource. Now ClangASTSource is ready to complete types given nothing more than a target and an AST context. llvm-svn: 143292
2011-10-30 03:50:43 +08:00
const ConstString name(context.m_decl_name.getAsString().c_str());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Just like functions can have a basename and a mangled/demangled name, variable can too. So now the lldb_private::Variable class has support for this. Variables now have support for having a basename ("i"), and a mangled name ("_ZN12_GLOBAL__N_11iE"), and a demangled name ("(anonymous namespace)::i"). Nowwhen searching for a variable by name, users might enter the fully qualified name, or just the basename. So new test functions were added to the Variable and Mangled classes as: bool NameMatches (const ConstString &name); bool NameMatches (const RegularExpression &regex); I also modified "ClangExpressionDeclMap::FindVariableInScope" to also search for global variables that are not in the current file scope by first starting with the current module, then moving on to all modules. Fixed an issue in the DWARF parser that could cause a varaible to get parsed more than once. Now, once we have parsed a VariableSP for a DIE, we cache the result even if a variable wasn't made so we don't do any re-parsing. Some DW_TAG_variable DIEs don't have locations, or are missing vital info that stops a debugger from being able to display anything for it, we parse a NULL variable shared pointer for these DIEs so we don't keep trying to reparse it. llvm-svn: 119085
2010-11-15 06:13:40 +08:00
const char *name_unique_cstr = name.GetCString();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Just like functions can have a basename and a mangled/demangled name, variable can too. So now the lldb_private::Variable class has support for this. Variables now have support for having a basename ("i"), and a mangled name ("_ZN12_GLOBAL__N_11iE"), and a demangled name ("(anonymous namespace)::i"). Nowwhen searching for a variable by name, users might enter the fully qualified name, or just the basename. So new test functions were added to the Variable and Mangled classes as: bool NameMatches (const ConstString &name); bool NameMatches (const RegularExpression &regex); I also modified "ClangExpressionDeclMap::FindVariableInScope" to also search for global variables that are not in the current file scope by first starting with the current module, then moving on to all modules. Fixed an issue in the DWARF parser that could cause a varaible to get parsed more than once. Now, once we have parsed a VariableSP for a DIE, we cache the result even if a variable wasn't made so we don't do any re-parsing. Some DW_TAG_variable DIEs don't have locations, or are missing vital info that stops a debugger from being able to display anything for it, we parse a NULL variable shared pointer for these DIEs so we don't keep trying to reparse it. llvm-svn: 119085
2010-11-15 06:13:40 +08:00
if (name_unique_cstr == NULL)
return;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
I have brought LLDB up-to-date with top of tree LLVM/Clang. This brings in several fixes, including: - Improvements in the Just-In-Time compiler's allocation of memory: the JIT now allocates memory in chunks of sections, improving its ability to generate relocations. I have revamped the RecordingMemoryManager to reflect these changes, as well as to get the memory allocation and data copying out fo the ClangExpressionParser code. Jim Grosbach wrote the updates to the JIT on the LLVM side. - A new ExternalASTSource interface to allow LLDB to report accurate structure layout information to Clang. Previously we could only report the sizes of fields, not their offsets. This meant that if data structures included field alignment directives, we could not communicate the necessary alignment to Clang and accesses to the data would fail. Now we can (and I have update the relevant test case). Thanks to Doug Gregor for implementing the Clang side of this fix. - The way Objective-C interfaces are completed by Clang has been made consistent with RecordDecls; with help from Doug Gregor and Greg Clayton I have ensured that this still works. - I have eliminated all local LLVM and Clang patches, committing the ones that are still relevant to LLVM and Clang as needed. I have tested the changes extensively locally, but please let me know if they cause any trouble for you. llvm-svn: 149775
2012-02-04 16:49:35 +08:00
static ConstString id_name("id");
static ConstString Class_name("Class");
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
I have brought LLDB up-to-date with top of tree LLVM/Clang. This brings in several fixes, including: - Improvements in the Just-In-Time compiler's allocation of memory: the JIT now allocates memory in chunks of sections, improving its ability to generate relocations. I have revamped the RecordingMemoryManager to reflect these changes, as well as to get the memory allocation and data copying out fo the ClangExpressionParser code. Jim Grosbach wrote the updates to the JIT on the LLVM side. - A new ExternalASTSource interface to allow LLDB to report accurate structure layout information to Clang. Previously we could only report the sizes of fields, not their offsets. This meant that if data structures included field alignment directives, we could not communicate the necessary alignment to Clang and accesses to the data would fail. Now we can (and I have update the relevant test case). Thanks to Doug Gregor for implementing the Clang side of this fix. - The way Objective-C interfaces are completed by Clang has been made consistent with RecordDecls; with help from Doug Gregor and Greg Clayton I have ensured that this still works. - I have eliminated all local LLVM and Clang patches, committing the ones that are still relevant to LLVM and Clang as needed. I have tested the changes extensively locally, but please let me know if they cause any trouble for you. llvm-svn: 149775
2012-02-04 16:49:35 +08:00
if (name == id_name || name == Class_name)
return;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
// Only look for functions by name out in our symbols if the function
Made many ConstString functions inlined in the header file. Changed all of our synthesized "___clang" functions, types and variables that get used in expressions over to have a prefix of "$_lldb". Now when we do name lookups we can easily switch off of the first '$' character to know if we should look through only our internal (when first char is '$') stuff, or when we should look through program variables, functions and types. Converted all of the clang expression code over to using "const ConstString&" values for names instead of "const char *" since there were many places that were converting the "const char *" names into ConstString names and them throwing them away. We now avoid making a lot of ConstString conversions and benefit from the quick comparisons in a few extra spots. Converted a lot of code from LLVM coding conventions into LLDB coding conventions. llvm-svn: 116634
2010-10-16 06:48:33 +08:00
// doesn't start with our phony prefix of '$'
Fixed a bunch of ownership problems with the expression parser. Specifically: - ClangUserExpression now keeps weak pointers to the structures it needs and then locks them when needed. This ensures that they continue to be valid without leaking memory if the ClangUserExpression is long lived. - ClangExpressionDeclMap, instead of keeping a pointer to an ExecutionContext, now contains an ExecutionContext. This prevents bugs if the pointer or its contents somehow become stale. It also no longer requires that ExecutionContexts be passed into any function except its initialization function, since it can count on the ExecutionContext still being around. There's a lot of room for improvement (specifically, ClangExpressionDeclMap should also use weak pointers insetad of shared pointers) but this is an important first step that codifies assumptions that already existed in the code. llvm-svn: 150217
2012-02-10 09:22:05 +08:00
Target *target = m_parser_vars->m_exe_ctx.GetTargetPtr();
Roll back the changes I made in r193907 which created a new Frame pure virtual base class and made StackFrame a subclass of that. As I started to build on top of that arrangement today, I found that it wasn't working out like I intended. Instead I'll try sticking with the single StackFrame class -- there's too much code duplication to make a more complicated class hierarchy sensible I think. llvm-svn: 193983
2013-11-04 17:33:30 +08:00
StackFrame *frame = m_parser_vars->m_exe_ctx.GetFramePtr();
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
if (name_unique_cstr[0] == '$' && !namespace_decl)
Updated the expression parser to ignore non-external functions it finds in libraries unless it cannot find an external function with the desired name. llvm-svn: 115721
2010-10-06 08:10:07 +08:00
{
Fixed an issue in the DWARF parser that was causing forward declarations to not get resolved. Fixed the "void **isa_ptr" variable inside the objective C verifier to start with a '$' character so we don't go looking for it in our program. Moved the lookup for "$__lldb_class" into the part that knows we are looking for internal types that start with a '$'. llvm-svn: 118488
2010-11-09 12:42:43 +08:00
static ConstString g_lldb_class_name ("$__lldb_class");
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed an issue in the DWARF parser that was causing forward declarations to not get resolved. Fixed the "void **isa_ptr" variable inside the objective C verifier to start with a '$' character so we don't go looking for it in our program. Moved the lookup for "$__lldb_class" into the part that knows we are looking for internal types that start with a '$'. llvm-svn: 118488
2010-11-09 12:42:43 +08:00
if (name == g_lldb_class_name)
{
// Clang is looking for the type of "this"
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed ClangExpressionDeclMap to use the debug information about the current frame rather than the debug information about "this" and "self" when determining the types of those pointers. This allows expressions to work in frames that don't have valid "this" and "self" pointers, working around poor debug information. llvm-svn: 150051
2012-02-08 11:45:08 +08:00
if (frame == NULL)
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed ClangExpressionDeclMap to use the debug information about the current frame rather than the debug information about "this" and "self" when determining the types of those pointers. This allows expressions to work in frames that don't have valid "this" and "self" pointers, working around poor debug information. llvm-svn: 150051
2012-02-08 11:45:08 +08:00
SymbolContext sym_ctx = frame->GetSymbolContext(lldb::eSymbolContextFunction);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed ClangExpressionDeclMap to use the debug information about the current frame rather than the debug information about "this" and "self" when determining the types of those pointers. This allows expressions to work in frames that don't have valid "this" and "self" pointers, working around poor debug information. llvm-svn: 150051
2012-02-08 11:45:08 +08:00
if (!sym_ctx.function)
Fixed an issue in the DWARF parser that was causing forward declarations to not get resolved. Fixed the "void **isa_ptr" variable inside the objective C verifier to start with a '$' character so we don't go looking for it in our program. Moved the lookup for "$__lldb_class" into the part that knows we are looking for internal types that start with a '$'. llvm-svn: 118488
2010-11-09 12:42:43 +08:00
return;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
<rdar://problem/11870357> Allow "frame variable" to find ivars without the need for "this->" or "self->". llvm-svn: 160211
2012-07-14 08:53:55 +08:00
// Get the block that defines the function
Block *function_block = sym_ctx.GetFunctionBlock();
if (!function_block)
return;
clang::DeclContext *decl_context = function_block->GetClangDeclContext();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed ClangExpressionDeclMap to use the debug information about the current frame rather than the debug information about "this" and "self" when determining the types of those pointers. This allows expressions to work in frames that don't have valid "this" and "self" pointers, working around poor debug information. llvm-svn: 150051
2012-02-08 11:45:08 +08:00
if (!decl_context)
Fixed an issue in the DWARF parser that was causing forward declarations to not get resolved. Fixed the "void **isa_ptr" variable inside the objective C verifier to start with a '$' character so we don't go looking for it in our program. Moved the lookup for "$__lldb_class" into the part that knows we are looking for internal types that start with a '$'. llvm-svn: 118488
2010-11-09 12:42:43 +08:00
return;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed ClangExpressionDeclMap to use the debug information about the current frame rather than the debug information about "this" and "self" when determining the types of those pointers. This allows expressions to work in frames that don't have valid "this" and "self" pointers, working around poor debug information. llvm-svn: 150051
2012-02-08 11:45:08 +08:00
clang::CXXMethodDecl *method_decl = llvm::dyn_cast<clang::CXXMethodDecl>(decl_context);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
if (method_decl)
Added support for generating expressions that have access to the members of the Objective-C self object. The approach we take is to generate the method as a @category on top of the self object, and to pass the "self" pointer to it. (_cmd is currently NULL.) Most changes are in ClangExpressionDeclMap, but the change that adds support to the ABIs to pass _cmd touches a fair amount of code. llvm-svn: 121722
2010-12-14 06:46:15 +08:00
{
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
clang::CXXRecordDecl *class_decl = method_decl->getParent();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
QualType class_qual_type(class_decl->getTypeForDecl(), 0);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
TypeFromUser class_user_type (class_qual_type.getAsOpaquePtr(),
&class_decl->getASTContext());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
if (log)
{
ASTDumper ast_dumper(class_qual_type);
log->Printf(" CEDM::FEVD[%u] Adding type for $__lldb_class: %s", current_id, ast_dumper.GetCString());
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Modified the expression parser's class wrapper to support reporting "this" as a templated class. The expression parser wraps expressions in C++ methods as methods with the signature $__lldb_class::$__lldb_expr(...) and previously responded to clang's queries about $__lldb_class with the type of *this. This didn't work if *this was a ClassTemplateSpecializationDecl because ClassTemplateSpecializationDecls can't be the result of simple name queries. Instead what we do now is respond that $__lldb_class is a typedef and that the target of the typedef is the (potentially templated) type of *this. That is much more robust. Thanks to John McCall for key insights. <rdar://problem/10987183> llvm-svn: 174153
2013-02-01 14:55:48 +08:00
TypeFromParser class_type = CopyClassType(class_user_type, current_id);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Modified the expression parser's class wrapper to support reporting "this" as a templated class. The expression parser wraps expressions in C++ methods as methods with the signature $__lldb_class::$__lldb_expr(...) and previously responded to clang's queries about $__lldb_class with the type of *this. This didn't work if *this was a ClassTemplateSpecializationDecl because ClassTemplateSpecializationDecls can't be the result of simple name queries. Instead what we do now is respond that $__lldb_class is a typedef and that the target of the typedef is the (potentially templated) type of *this. That is much more robust. Thanks to John McCall for key insights. <rdar://problem/10987183> llvm-svn: 174153
2013-02-01 14:55:48 +08:00
if (!class_type.IsValid())
return;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Switch from CreateTypeSourceInfo, which allocates uninitialized memory, to getTrivialTypeSourceInfo, which initializes its memory, when creating trivial TypeSourceInfos. <rdar://problem/13332253> llvm-svn: 176899
2013-03-13 05:22:00 +08:00
TypeSourceInfo *type_source_info = m_ast_context->getTrivialTypeSourceInfo(QualType::getFromOpaquePtr(class_type.GetOpaqueQualType()));
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Modified the expression parser's class wrapper to support reporting "this" as a templated class. The expression parser wraps expressions in C++ methods as methods with the signature $__lldb_class::$__lldb_expr(...) and previously responded to clang's queries about $__lldb_class with the type of *this. This didn't work if *this was a ClassTemplateSpecializationDecl because ClassTemplateSpecializationDecls can't be the result of simple name queries. Instead what we do now is respond that $__lldb_class is a typedef and that the target of the typedef is the (potentially templated) type of *this. That is much more robust. Thanks to John McCall for key insights. <rdar://problem/10987183> llvm-svn: 174153
2013-02-01 14:55:48 +08:00
if (!type_source_info)
return;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Modified the expression parser's class wrapper to support reporting "this" as a templated class. The expression parser wraps expressions in C++ methods as methods with the signature $__lldb_class::$__lldb_expr(...) and previously responded to clang's queries about $__lldb_class with the type of *this. This didn't work if *this was a ClassTemplateSpecializationDecl because ClassTemplateSpecializationDecls can't be the result of simple name queries. Instead what we do now is respond that $__lldb_class is a typedef and that the target of the typedef is the (potentially templated) type of *this. That is much more robust. Thanks to John McCall for key insights. <rdar://problem/10987183> llvm-svn: 174153
2013-02-01 14:55:48 +08:00
TypedefDecl *typedef_decl = TypedefDecl::Create(*m_ast_context,
m_ast_context->getTranslationUnitDecl(),
SourceLocation(),
SourceLocation(),
context.m_decl_name.getAsIdentifierInfo(),
type_source_info);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Modified the expression parser's class wrapper to support reporting "this" as a templated class. The expression parser wraps expressions in C++ methods as methods with the signature $__lldb_class::$__lldb_expr(...) and previously responded to clang's queries about $__lldb_class with the type of *this. This didn't work if *this was a ClassTemplateSpecializationDecl because ClassTemplateSpecializationDecls can't be the result of simple name queries. Instead what we do now is respond that $__lldb_class is a typedef and that the target of the typedef is the (potentially templated) type of *this. That is much more robust. Thanks to John McCall for key insights. <rdar://problem/10987183> llvm-svn: 174153
2013-02-01 14:55:48 +08:00
if (!typedef_decl)
return;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Modified the expression parser's class wrapper to support reporting "this" as a templated class. The expression parser wraps expressions in C++ methods as methods with the signature $__lldb_class::$__lldb_expr(...) and previously responded to clang's queries about $__lldb_class with the type of *this. This didn't work if *this was a ClassTemplateSpecializationDecl because ClassTemplateSpecializationDecls can't be the result of simple name queries. Instead what we do now is respond that $__lldb_class is a typedef and that the target of the typedef is the (potentially templated) type of *this. That is much more robust. Thanks to John McCall for key insights. <rdar://problem/10987183> llvm-svn: 174153
2013-02-01 14:55:48 +08:00
context.AddNamedDecl(typedef_decl);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
if (method_decl->isInstance())
{
// self is a pointer to the object
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
QualType class_pointer_type = method_decl->getASTContext().getPointerType(class_qual_type);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
TypeFromUser self_user_type(class_pointer_type.getAsOpaquePtr(),
&method_decl->getASTContext());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
m_struct_vars->m_object_pointer_type = self_user_type;
}
}
else
Made sure to store the type for "this" when in a C++ method. llvm-svn: 152064
2012-03-06 06:08:20 +08:00
{
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
// This branch will get hit if we are executing code in the context of a function that
// claims to have an object pointer (through DW_AT_object_pointer?) but is not formally a
// method of the class. In that case, just look up the "this" variable in the the current
// scope and use its type.
// FIXME: This code is formally correct, but clang doesn't currently emit DW_AT_object_pointer
// for C++ so it hasn't actually been tested.
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
VariableList *vars = frame->GetVariableList(false);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
lldb::VariableSP this_var = vars->FindVariable(ConstString("this"));
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
if (this_var &&
this_var->IsInScope(frame) &&
this_var->LocationIsValidForFrame (frame))
{
Type *this_type = this_var->GetType();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
if (!this_type)
return;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
ClangASTType pointee_type = this_type->GetClangForwardType().GetPointeeType();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
if (pointee_type.IsValid())
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
{
if (log)
{
ASTDumper ast_dumper(this_type->GetClangFullType());
log->Printf(" FEVD[%u] Adding type for $__lldb_objc_class: %s", current_id, ast_dumper.GetCString());
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
TypeFromUser class_user_type(pointee_type);
Modified the expression parser's class wrapper to support reporting "this" as a templated class. The expression parser wraps expressions in C++ methods as methods with the signature $__lldb_class::$__lldb_expr(...) and previously responded to clang's queries about $__lldb_class with the type of *this. This didn't work if *this was a ClassTemplateSpecializationDecl because ClassTemplateSpecializationDecls can't be the result of simple name queries. Instead what we do now is respond that $__lldb_class is a typedef and that the target of the typedef is the (potentially templated) type of *this. That is much more robust. Thanks to John McCall for key insights. <rdar://problem/10987183> llvm-svn: 174153
2013-02-01 14:55:48 +08:00
AddOneType(context, class_user_type, current_id);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
TypeFromUser this_user_type(this_type->GetClangFullType());
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
m_struct_vars->m_object_pointer_type = this_user_type;
return;
}
}
Made sure to store the type for "this" when in a C++ method. llvm-svn: 152064
2012-03-06 06:08:20 +08:00
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed an issue in the DWARF parser that was causing forward declarations to not get resolved. Fixed the "void **isa_ptr" variable inside the objective C verifier to start with a '$' character so we don't go looking for it in our program. Moved the lookup for "$__lldb_class" into the part that knows we are looking for internal types that start with a '$'. llvm-svn: 118488
2010-11-09 12:42:43 +08:00
return;
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added support for generating expressions that have access to the members of the Objective-C self object. The approach we take is to generate the method as a @category on top of the self object, and to pass the "self" pointer to it. (_cmd is currently NULL.) Most changes are in ClangExpressionDeclMap, but the change that adds support to the ABIs to pass _cmd touches a fair amount of code. llvm-svn: 121722
2010-12-14 06:46:15 +08:00
static ConstString g_lldb_objc_class_name ("$__lldb_objc_class");
if (name == g_lldb_objc_class_name)
{
// Clang is looking for the type of "*self"
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Converted the lldb_private::Process over to use the intrusive shared pointers. Changed the ExecutionContext over to use shared pointers for the target, process, thread and frame since these objects can easily go away at any time and any object that was holding onto an ExecutionContext was running the risk of using a bad object. Now that the shared pointers for target, process, thread and frame are just a single pointer (they all use the instrusive shared pointers) the execution context is much safer and still the same size. Made the shared pointers in the the ExecutionContext class protected and made accessors for all of the various ways to get at the pointers, references, and shared pointers. llvm-svn: 140298
2011-09-22 12:58:26 +08:00
if (!frame)
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Pulled in a new version of LLVM/Clang to solve a variety of problems with Objective-C object completion. To go along with the LLVM/Clang-side fixes, we have a variety of Objective-C improvements. Fixes include: - It is now possible to run expressions when stopped in an Objective-C class method and have "self" act just like "self" would act in the class method itself (i.e., [self classMethod] works without casting the return type if debug info is present). To accomplish this, the expression masquerades as a class method added by a category. - Objective-C objects can now provide methods and properties and methods to Clang on demand (i.e., the ASTImporter sets hasExternalVisibleDecls on Objective-C interface objects). - Objective-C built-in types, which had long been a bone of contention (should we be using "id"? "id*"?), are now fetched correctly using accessor functions on ClangASTContext. We inhibit searches for them in the debug information. There are also a variety of logging fixes, and I made two changes to the test suite: - Enabled a test case for Objective-C properties in the current translation unit. - Added a test case for calling Objective-C class methods when stopped in a class method. llvm-svn: 144607
2011-11-15 10:11:17 +08:00
SymbolContext sym_ctx = frame->GetSymbolContext(lldb::eSymbolContextFunction);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Pulled in a new version of LLVM/Clang to solve a variety of problems with Objective-C object completion. To go along with the LLVM/Clang-side fixes, we have a variety of Objective-C improvements. Fixes include: - It is now possible to run expressions when stopped in an Objective-C class method and have "self" act just like "self" would act in the class method itself (i.e., [self classMethod] works without casting the return type if debug info is present). To accomplish this, the expression masquerades as a class method added by a category. - Objective-C objects can now provide methods and properties and methods to Clang on demand (i.e., the ASTImporter sets hasExternalVisibleDecls on Objective-C interface objects). - Objective-C built-in types, which had long been a bone of contention (should we be using "id"? "id*"?), are now fetched correctly using accessor functions on ClangASTContext. We inhibit searches for them in the debug information. There are also a variety of logging fixes, and I made two changes to the test suite: - Enabled a test case for Objective-C properties in the current translation unit. - Added a test case for calling Objective-C class methods when stopped in a class method. llvm-svn: 144607
2011-11-15 10:11:17 +08:00
if (!sym_ctx.function)
return;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
<rdar://problem/11870357> Allow "frame variable" to find ivars without the need for "this->" or "self->". llvm-svn: 160211
2012-07-14 08:53:55 +08:00
// Get the block that defines the function
Block *function_block = sym_ctx.GetFunctionBlock();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
<rdar://problem/11870357> Allow "frame variable" to find ivars without the need for "this->" or "self->". llvm-svn: 160211
2012-07-14 08:53:55 +08:00
if (!function_block)
return;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
<rdar://problem/11870357> Allow "frame variable" to find ivars without the need for "this->" or "self->". llvm-svn: 160211
2012-07-14 08:53:55 +08:00
clang::DeclContext *decl_context = function_block->GetClangDeclContext();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Pulled in a new version of LLVM/Clang to solve a variety of problems with Objective-C object completion. To go along with the LLVM/Clang-side fixes, we have a variety of Objective-C improvements. Fixes include: - It is now possible to run expressions when stopped in an Objective-C class method and have "self" act just like "self" would act in the class method itself (i.e., [self classMethod] works without casting the return type if debug info is present). To accomplish this, the expression masquerades as a class method added by a category. - Objective-C objects can now provide methods and properties and methods to Clang on demand (i.e., the ASTImporter sets hasExternalVisibleDecls on Objective-C interface objects). - Objective-C built-in types, which had long been a bone of contention (should we be using "id"? "id*"?), are now fetched correctly using accessor functions on ClangASTContext. We inhibit searches for them in the debug information. There are also a variety of logging fixes, and I made two changes to the test suite: - Enabled a test case for Objective-C properties in the current translation unit. - Added a test case for calling Objective-C class methods when stopped in a class method. llvm-svn: 144607
2011-11-15 10:11:17 +08:00
if (!decl_context)
Added support for generating expressions that have access to the members of the Objective-C self object. The approach we take is to generate the method as a @category on top of the self object, and to pass the "self" pointer to it. (_cmd is currently NULL.) Most changes are in ClangExpressionDeclMap, but the change that adds support to the ABIs to pass _cmd touches a fair amount of code. llvm-svn: 121722
2010-12-14 06:46:15 +08:00
return;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Pulled in a new version of LLVM/Clang to solve a variety of problems with Objective-C object completion. To go along with the LLVM/Clang-side fixes, we have a variety of Objective-C improvements. Fixes include: - It is now possible to run expressions when stopped in an Objective-C class method and have "self" act just like "self" would act in the class method itself (i.e., [self classMethod] works without casting the return type if debug info is present). To accomplish this, the expression masquerades as a class method added by a category. - Objective-C objects can now provide methods and properties and methods to Clang on demand (i.e., the ASTImporter sets hasExternalVisibleDecls on Objective-C interface objects). - Objective-C built-in types, which had long been a bone of contention (should we be using "id"? "id*"?), are now fetched correctly using accessor functions on ClangASTContext. We inhibit searches for them in the debug information. There are also a variety of logging fixes, and I made two changes to the test suite: - Enabled a test case for Objective-C properties in the current translation unit. - Added a test case for calling Objective-C class methods when stopped in a class method. llvm-svn: 144607
2011-11-15 10:11:17 +08:00
clang::ObjCMethodDecl *method_decl = llvm::dyn_cast<clang::ObjCMethodDecl>(decl_context);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
if (method_decl)
Pulled in a new version of LLVM/Clang to solve a variety of problems with Objective-C object completion. To go along with the LLVM/Clang-side fixes, we have a variety of Objective-C improvements. Fixes include: - It is now possible to run expressions when stopped in an Objective-C class method and have "self" act just like "self" would act in the class method itself (i.e., [self classMethod] works without casting the return type if debug info is present). To accomplish this, the expression masquerades as a class method added by a category. - Objective-C objects can now provide methods and properties and methods to Clang on demand (i.e., the ASTImporter sets hasExternalVisibleDecls on Objective-C interface objects). - Objective-C built-in types, which had long been a bone of contention (should we be using "id"? "id*"?), are now fetched correctly using accessor functions on ClangASTContext. We inhibit searches for them in the debug information. There are also a variety of logging fixes, and I made two changes to the test suite: - Enabled a test case for Objective-C properties in the current translation unit. - Added a test case for calling Objective-C class methods when stopped in a class method. llvm-svn: 144607
2011-11-15 10:11:17 +08:00
{
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
ObjCInterfaceDecl* self_interface = method_decl->getClassInterface();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
if (!self_interface)
Fixed ClangExpressionDeclMap to use the debug information about the current frame rather than the debug information about "this" and "self" when determining the types of those pointers. This allows expressions to work in frames that don't have valid "this" and "self" pointers, working around poor debug information. llvm-svn: 150051
2012-02-08 11:45:08 +08:00
return;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
const clang::Type *interface_type = self_interface->getTypeForDecl();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Hardening so we won't crash if an Objective-C interface doesn't have a corresponding type. <rdar://problem/13596142> llvm-svn: 179130
2013-04-10 05:30:48 +08:00
if (!interface_type)
return; // This is unlikely, but we have seen crashes where this occurred
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
TypeFromUser class_user_type(QualType(interface_type, 0).getAsOpaquePtr(),
&method_decl->getASTContext());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
if (log)
{
ASTDumper ast_dumper(interface_type);
log->Printf(" FEVD[%u] Adding type for $__lldb_objc_class: %s", current_id, ast_dumper.GetCString());
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Modified the expression parser's class wrapper to support reporting "this" as a templated class. The expression parser wraps expressions in C++ methods as methods with the signature $__lldb_class::$__lldb_expr(...) and previously responded to clang's queries about $__lldb_class with the type of *this. This didn't work if *this was a ClassTemplateSpecializationDecl because ClassTemplateSpecializationDecls can't be the result of simple name queries. Instead what we do now is respond that $__lldb_class is a typedef and that the target of the typedef is the (potentially templated) type of *this. That is much more robust. Thanks to John McCall for key insights. <rdar://problem/10987183> llvm-svn: 174153
2013-02-01 14:55:48 +08:00
AddOneType(context, class_user_type, current_id);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
if (method_decl->isInstanceMethod())
{
// self is a pointer to the object
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
QualType class_pointer_type = method_decl->getASTContext().getObjCObjectPointerType(QualType(interface_type, 0));
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
TypeFromUser self_user_type(class_pointer_type.getAsOpaquePtr(),
&method_decl->getASTContext());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
m_struct_vars->m_object_pointer_type = self_user_type;
}
else
{
// self is a Class pointer
QualType class_type = method_decl->getASTContext().getObjCClassType();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
TypeFromUser self_user_type(class_type.getAsOpaquePtr(),
&method_decl->getASTContext());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
m_struct_vars->m_object_pointer_type = self_user_type;
}
return;
Fixed ClangExpressionDeclMap to use the debug information about the current frame rather than the debug information about "this" and "self" when determining the types of those pointers. This allows expressions to work in frames that don't have valid "this" and "self" pointers, working around poor debug information. llvm-svn: 150051
2012-02-08 11:45:08 +08:00
}
else
{
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
// This branch will get hit if we are executing code in the context of a function that
// claims to have an object pointer (through DW_AT_object_pointer?) but is not formally a
// method of the class. In that case, just look up the "self" variable in the the current
// scope and use its type.
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
VariableList *vars = frame->GetVariableList(false);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
lldb::VariableSP self_var = vars->FindVariable(ConstString("self"));
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
if (self_var &&
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
self_var->IsInScope(frame) &&
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
self_var->LocationIsValidForFrame (frame))
{
Type *self_type = self_var->GetType();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
if (!self_type)
return;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
ClangASTType self_clang_type = self_type->GetClangFullType();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
if (self_clang_type.IsObjCClassType())
Extended LLDB to handle blocks capturing 'self' in an Objective-C class method. Before, errors of the form error: cannot find interface declaration for '$__lldb_objc_class' would appear when running any expression when the current frame is a block that captures 'self' from an Objective-C class method. <rdar://problem/12905561> llvm-svn: 172880
2013-01-19 09:49:02 +08:00
{
return;
}
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
else if (self_clang_type.IsObjCObjectPointerType())
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
{
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
self_clang_type = self_clang_type.GetPointeeType();
if (!self_clang_type)
Hardening to avoid null-pointer crashes in the presence of malformed class types. <rdar://problem/13740646> llvm-svn: 180645
2013-04-27 06:54:19 +08:00
return;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
if (log)
{
ASTDumper ast_dumper(self_type->GetClangFullType());
log->Printf(" FEVD[%u] Adding type for $__lldb_objc_class: %s", current_id, ast_dumper.GetCString());
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
TypeFromUser class_user_type (self_clang_type);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Modified the expression parser's class wrapper to support reporting "this" as a templated class. The expression parser wraps expressions in C++ methods as methods with the signature $__lldb_class::$__lldb_expr(...) and previously responded to clang's queries about $__lldb_class with the type of *this. This didn't work if *this was a ClassTemplateSpecializationDecl because ClassTemplateSpecializationDecls can't be the result of simple name queries. Instead what we do now is respond that $__lldb_class is a typedef and that the target of the typedef is the (potentially templated) type of *this. That is much more robust. Thanks to John McCall for key insights. <rdar://problem/10987183> llvm-svn: 174153
2013-02-01 14:55:48 +08:00
AddOneType(context, class_user_type, current_id);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
TypeFromUser self_user_type(self_type->GetClangFullType());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Make blocks that capture their containing method's object pointer look like methods of the containing class so that direct ivar access will work in the expression parser. <rdar://problem/9797999> llvm-svn: 167061
2012-10-31 07:35:54 +08:00
m_struct_vars->m_object_pointer_type = self_user_type;
return;
}
}
Fixed ClangExpressionDeclMap to use the debug information about the current frame rather than the debug information about "this" and "self" when determining the types of those pointers. This allows expressions to work in frames that don't have valid "this" and "self" pointers, working around poor debug information. llvm-svn: 150051
2012-02-08 11:45:08 +08:00
}
Added support for generating expressions that have access to the members of the Objective-C self object. The approach we take is to generate the method as a @category on top of the self object, and to pass the "self" pointer to it. (_cmd is currently NULL.) Most changes are in ClangExpressionDeclMap, but the change that adds support to the ABIs to pass _cmd touches a fair amount of code. llvm-svn: 121722
2010-12-14 06:46:15 +08:00
return;
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Updated LLVM/Clang to pull in the latest ARM disassembler. This involved minor changes to the way we report Objective-C methods, as well as cosmetic changes and added parameters for a variety of Clang APIs. llvm-svn: 141437
2011-10-08 07:18:13 +08:00
// any other $__lldb names should be weeded out now
if (!::strncmp(name_unique_cstr, "$__lldb", sizeof("$__lldb") - 1))
return;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added support for persistent types to the expression parser. You can use a persistent type like this: (lldb) expr struct $foo { int a; int b; }; (lldb) struct $foo i; i.a = 2; i.b = 3; i ($foo) $0 = { (int) a = 2 (int) b = 3 } typedefs work similarly. This patch affects the following files: test/expression_command/persistent_types/* A test case for persistent types, in particular structs and typedefs. ClangForward.h Added TypeDecl, needed to declare some functions in ASTResultSynthesizer.h ClangPersistentVariables.[h,cpp] Added a list of persistent types to the persistent variable store. ASTResultSynthesizer.[h,cpp] Made the AST result synthesizer iterate across TypeDecls in the expression, and record any persistent types found. Also made a minor documentation fix. ClangUserExpression.[h,cpp] Extended the user expression class to keep the state needed to report the persistent variable store for the target to the AST result synthesizers. Also introduced a new error code for expressions that executed normally but did not return a result. CommandObjectExpression.cpp Improved output for expressions (like declarations of new persistent types) that don't return a result. This is no longer treated as an error. llvm-svn: 138383
2011-08-24 05:20:51 +08:00
do
{
Converted the lldb_private::Process over to use the intrusive shared pointers. Changed the ExecutionContext over to use shared pointers for the target, process, thread and frame since these objects can easily go away at any time and any object that was holding onto an ExecutionContext was running the risk of using a bad object. Now that the shared pointers for target, process, thread and frame are just a single pointer (they all use the instrusive shared pointers) the execution context is much safer and still the same size. Made the shared pointers in the the ExecutionContext class protected and made accessors for all of the various ways to get at the pointers, references, and shared pointers. llvm-svn: 140298
2011-09-22 12:58:26 +08:00
if (!target)
Added support for persistent types to the expression parser. You can use a persistent type like this: (lldb) expr struct $foo { int a; int b; }; (lldb) struct $foo i; i.a = 2; i.b = 3; i ($foo) $0 = { (int) a = 2 (int) b = 3 } typedefs work similarly. This patch affects the following files: test/expression_command/persistent_types/* A test case for persistent types, in particular structs and typedefs. ClangForward.h Added TypeDecl, needed to declare some functions in ASTResultSynthesizer.h ClangPersistentVariables.[h,cpp] Added a list of persistent types to the persistent variable store. ASTResultSynthesizer.[h,cpp] Made the AST result synthesizer iterate across TypeDecls in the expression, and record any persistent types found. Also made a minor documentation fix. ClangUserExpression.[h,cpp] Extended the user expression class to keep the state needed to report the persistent variable store for the target to the AST result synthesizers. Also introduced a new error code for expressions that executed normally but did not return a result. CommandObjectExpression.cpp Improved output for expressions (like declarations of new persistent types) that don't return a result. This is no longer treated as an error. llvm-svn: 138383
2011-08-24 05:20:51 +08:00
break;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Converted the lldb_private::Process over to use the intrusive shared pointers. Changed the ExecutionContext over to use shared pointers for the target, process, thread and frame since these objects can easily go away at any time and any object that was holding onto an ExecutionContext was running the risk of using a bad object. Now that the shared pointers for target, process, thread and frame are just a single pointer (they all use the instrusive shared pointers) the execution context is much safer and still the same size. Made the shared pointers in the the ExecutionContext class protected and made accessors for all of the various ways to get at the pointers, references, and shared pointers. llvm-svn: 140298
2011-09-22 12:58:26 +08:00
ClangASTContext *scratch_clang_ast_context = target->GetScratchClangASTContext();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added support for persistent types to the expression parser. You can use a persistent type like this: (lldb) expr struct $foo { int a; int b; }; (lldb) struct $foo i; i.a = 2; i.b = 3; i ($foo) $0 = { (int) a = 2 (int) b = 3 } typedefs work similarly. This patch affects the following files: test/expression_command/persistent_types/* A test case for persistent types, in particular structs and typedefs. ClangForward.h Added TypeDecl, needed to declare some functions in ASTResultSynthesizer.h ClangPersistentVariables.[h,cpp] Added a list of persistent types to the persistent variable store. ASTResultSynthesizer.[h,cpp] Made the AST result synthesizer iterate across TypeDecls in the expression, and record any persistent types found. Also made a minor documentation fix. ClangUserExpression.[h,cpp] Extended the user expression class to keep the state needed to report the persistent variable store for the target to the AST result synthesizers. Also introduced a new error code for expressions that executed normally but did not return a result. CommandObjectExpression.cpp Improved output for expressions (like declarations of new persistent types) that don't return a result. This is no longer treated as an error. llvm-svn: 138383
2011-08-24 05:20:51 +08:00
if (!scratch_clang_ast_context)
break;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added support for persistent types to the expression parser. You can use a persistent type like this: (lldb) expr struct $foo { int a; int b; }; (lldb) struct $foo i; i.a = 2; i.b = 3; i ($foo) $0 = { (int) a = 2 (int) b = 3 } typedefs work similarly. This patch affects the following files: test/expression_command/persistent_types/* A test case for persistent types, in particular structs and typedefs. ClangForward.h Added TypeDecl, needed to declare some functions in ASTResultSynthesizer.h ClangPersistentVariables.[h,cpp] Added a list of persistent types to the persistent variable store. ASTResultSynthesizer.[h,cpp] Made the AST result synthesizer iterate across TypeDecls in the expression, and record any persistent types found. Also made a minor documentation fix. ClangUserExpression.[h,cpp] Extended the user expression class to keep the state needed to report the persistent variable store for the target to the AST result synthesizers. Also introduced a new error code for expressions that executed normally but did not return a result. CommandObjectExpression.cpp Improved output for expressions (like declarations of new persistent types) that don't return a result. This is no longer treated as an error. llvm-svn: 138383
2011-08-24 05:20:51 +08:00
ASTContext *scratch_ast_context = scratch_clang_ast_context->getASTContext();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added support for persistent types to the expression parser. You can use a persistent type like this: (lldb) expr struct $foo { int a; int b; }; (lldb) struct $foo i; i.a = 2; i.b = 3; i ($foo) $0 = { (int) a = 2 (int) b = 3 } typedefs work similarly. This patch affects the following files: test/expression_command/persistent_types/* A test case for persistent types, in particular structs and typedefs. ClangForward.h Added TypeDecl, needed to declare some functions in ASTResultSynthesizer.h ClangPersistentVariables.[h,cpp] Added a list of persistent types to the persistent variable store. ASTResultSynthesizer.[h,cpp] Made the AST result synthesizer iterate across TypeDecls in the expression, and record any persistent types found. Also made a minor documentation fix. ClangUserExpression.[h,cpp] Extended the user expression class to keep the state needed to report the persistent variable store for the target to the AST result synthesizers. Also introduced a new error code for expressions that executed normally but did not return a result. CommandObjectExpression.cpp Improved output for expressions (like declarations of new persistent types) that don't return a result. This is no longer treated as an error. llvm-svn: 138383
2011-08-24 05:20:51 +08:00
if (!scratch_ast_context)
break;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added support for persistent types to the expression parser. You can use a persistent type like this: (lldb) expr struct $foo { int a; int b; }; (lldb) struct $foo i; i.a = 2; i.b = 3; i ($foo) $0 = { (int) a = 2 (int) b = 3 } typedefs work similarly. This patch affects the following files: test/expression_command/persistent_types/* A test case for persistent types, in particular structs and typedefs. ClangForward.h Added TypeDecl, needed to declare some functions in ASTResultSynthesizer.h ClangPersistentVariables.[h,cpp] Added a list of persistent types to the persistent variable store. ASTResultSynthesizer.[h,cpp] Made the AST result synthesizer iterate across TypeDecls in the expression, and record any persistent types found. Also made a minor documentation fix. ClangUserExpression.[h,cpp] Extended the user expression class to keep the state needed to report the persistent variable store for the target to the AST result synthesizers. Also introduced a new error code for expressions that executed normally but did not return a result. CommandObjectExpression.cpp Improved output for expressions (like declarations of new persistent types) that don't return a result. This is no longer treated as an error. llvm-svn: 138383
2011-08-24 05:20:51 +08:00
TypeDecl *ptype_type_decl = m_parser_vars->m_persistent_vars->GetPersistentType(name);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added support for persistent types to the expression parser. You can use a persistent type like this: (lldb) expr struct $foo { int a; int b; }; (lldb) struct $foo i; i.a = 2; i.b = 3; i ($foo) $0 = { (int) a = 2 (int) b = 3 } typedefs work similarly. This patch affects the following files: test/expression_command/persistent_types/* A test case for persistent types, in particular structs and typedefs. ClangForward.h Added TypeDecl, needed to declare some functions in ASTResultSynthesizer.h ClangPersistentVariables.[h,cpp] Added a list of persistent types to the persistent variable store. ASTResultSynthesizer.[h,cpp] Made the AST result synthesizer iterate across TypeDecls in the expression, and record any persistent types found. Also made a minor documentation fix. ClangUserExpression.[h,cpp] Extended the user expression class to keep the state needed to report the persistent variable store for the target to the AST result synthesizers. Also introduced a new error code for expressions that executed normally but did not return a result. CommandObjectExpression.cpp Improved output for expressions (like declarations of new persistent types) that don't return a result. This is no longer treated as an error. llvm-svn: 138383
2011-08-24 05:20:51 +08:00
if (!ptype_type_decl)
break;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
As part of the work to make Objective-C type information from symbols more accessible, I have added a second map to the ClangASTImporter: the ObjCInterfaceMetaMap. This map keeps track of all type definitions found for a particular Objective-C interface, allowing the ClangASTSource to refer to all possible sources when looking for method definitions. There is a bug in lookup that I still need to figure out, but after that we should be able to report full method information for Objective-C classes shown in symbols. Also fixed some errors I ran into when enabling the maps for the persistent type store. The persistent type store previously did not use the ClangASTImporter to import types, instead using ASTImporters that got allocated each time a type needed copying. To support the requirements of the persistent type store -- namely, that types must be copied, completed, and then completely severed from their origin in the parser's AST context (which will go away) -- I added a new function called DeportType which severs all these connections. llvm-svn: 145914
2011-12-06 11:41:14 +08:00
Decl *parser_ptype_decl = m_ast_importer->CopyDecl(m_ast_context, scratch_ast_context, ptype_type_decl);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added support for persistent types to the expression parser. You can use a persistent type like this: (lldb) expr struct $foo { int a; int b; }; (lldb) struct $foo i; i.a = 2; i.b = 3; i ($foo) $0 = { (int) a = 2 (int) b = 3 } typedefs work similarly. This patch affects the following files: test/expression_command/persistent_types/* A test case for persistent types, in particular structs and typedefs. ClangForward.h Added TypeDecl, needed to declare some functions in ASTResultSynthesizer.h ClangPersistentVariables.[h,cpp] Added a list of persistent types to the persistent variable store. ASTResultSynthesizer.[h,cpp] Made the AST result synthesizer iterate across TypeDecls in the expression, and record any persistent types found. Also made a minor documentation fix. ClangUserExpression.[h,cpp] Extended the user expression class to keep the state needed to report the persistent variable store for the target to the AST result synthesizers. Also introduced a new error code for expressions that executed normally but did not return a result. CommandObjectExpression.cpp Improved output for expressions (like declarations of new persistent types) that don't return a result. This is no longer treated as an error. llvm-svn: 138383
2011-08-24 05:20:51 +08:00
if (!parser_ptype_decl)
break;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added support for persistent types to the expression parser. You can use a persistent type like this: (lldb) expr struct $foo { int a; int b; }; (lldb) struct $foo i; i.a = 2; i.b = 3; i ($foo) $0 = { (int) a = 2 (int) b = 3 } typedefs work similarly. This patch affects the following files: test/expression_command/persistent_types/* A test case for persistent types, in particular structs and typedefs. ClangForward.h Added TypeDecl, needed to declare some functions in ASTResultSynthesizer.h ClangPersistentVariables.[h,cpp] Added a list of persistent types to the persistent variable store. ASTResultSynthesizer.[h,cpp] Made the AST result synthesizer iterate across TypeDecls in the expression, and record any persistent types found. Also made a minor documentation fix. ClangUserExpression.[h,cpp] Extended the user expression class to keep the state needed to report the persistent variable store for the target to the AST result synthesizers. Also introduced a new error code for expressions that executed normally but did not return a result. CommandObjectExpression.cpp Improved output for expressions (like declarations of new persistent types) that don't return a result. This is no longer treated as an error. llvm-svn: 138383
2011-08-24 05:20:51 +08:00
TypeDecl *parser_ptype_type_decl = dyn_cast<TypeDecl>(parser_ptype_decl);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added support for persistent types to the expression parser. You can use a persistent type like this: (lldb) expr struct $foo { int a; int b; }; (lldb) struct $foo i; i.a = 2; i.b = 3; i ($foo) $0 = { (int) a = 2 (int) b = 3 } typedefs work similarly. This patch affects the following files: test/expression_command/persistent_types/* A test case for persistent types, in particular structs and typedefs. ClangForward.h Added TypeDecl, needed to declare some functions in ASTResultSynthesizer.h ClangPersistentVariables.[h,cpp] Added a list of persistent types to the persistent variable store. ASTResultSynthesizer.[h,cpp] Made the AST result synthesizer iterate across TypeDecls in the expression, and record any persistent types found. Also made a minor documentation fix. ClangUserExpression.[h,cpp] Extended the user expression class to keep the state needed to report the persistent variable store for the target to the AST result synthesizers. Also introduced a new error code for expressions that executed normally but did not return a result. CommandObjectExpression.cpp Improved output for expressions (like declarations of new persistent types) that don't return a result. This is no longer treated as an error. llvm-svn: 138383
2011-08-24 05:20:51 +08:00
if (!parser_ptype_type_decl)
break;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added support for persistent types to the expression parser. You can use a persistent type like this: (lldb) expr struct $foo { int a; int b; }; (lldb) struct $foo i; i.a = 2; i.b = 3; i ($foo) $0 = { (int) a = 2 (int) b = 3 } typedefs work similarly. This patch affects the following files: test/expression_command/persistent_types/* A test case for persistent types, in particular structs and typedefs. ClangForward.h Added TypeDecl, needed to declare some functions in ASTResultSynthesizer.h ClangPersistentVariables.[h,cpp] Added a list of persistent types to the persistent variable store. ASTResultSynthesizer.[h,cpp] Made the AST result synthesizer iterate across TypeDecls in the expression, and record any persistent types found. Also made a minor documentation fix. ClangUserExpression.[h,cpp] Extended the user expression class to keep the state needed to report the persistent variable store for the target to the AST result synthesizers. Also introduced a new error code for expressions that executed normally but did not return a result. CommandObjectExpression.cpp Improved output for expressions (like declarations of new persistent types) that don't return a result. This is no longer treated as an error. llvm-svn: 138383
2011-08-24 05:20:51 +08:00
if (log)
Cloned FindExternalVisibleDecls from ClangExpressionDeclMap to ClangASTSource, and moved all general type and namespace lookups into ClangASTSource. Now ClangASTSource is ready to complete types given nothing more than a target and an AST context. llvm-svn: 143292
2011-10-30 03:50:43 +08:00
log->Printf(" CEDM::FEVD[%u] Found persistent type %s", current_id, name.GetCString());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added support for persistent types to the expression parser. You can use a persistent type like this: (lldb) expr struct $foo { int a; int b; }; (lldb) struct $foo i; i.a = 2; i.b = 3; i ($foo) $0 = { (int) a = 2 (int) b = 3 } typedefs work similarly. This patch affects the following files: test/expression_command/persistent_types/* A test case for persistent types, in particular structs and typedefs. ClangForward.h Added TypeDecl, needed to declare some functions in ASTResultSynthesizer.h ClangPersistentVariables.[h,cpp] Added a list of persistent types to the persistent variable store. ASTResultSynthesizer.[h,cpp] Made the AST result synthesizer iterate across TypeDecls in the expression, and record any persistent types found. Also made a minor documentation fix. ClangUserExpression.[h,cpp] Extended the user expression class to keep the state needed to report the persistent variable store for the target to the AST result synthesizers. Also introduced a new error code for expressions that executed normally but did not return a result. CommandObjectExpression.cpp Improved output for expressions (like declarations of new persistent types) that don't return a result. This is no longer treated as an error. llvm-svn: 138383
2011-08-24 05:20:51 +08:00
context.AddNamedDecl(parser_ptype_type_decl);
} while (0);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
ClangExpressionVariableSP pvar_sp(m_parser_vars->m_persistent_vars->GetVariable(name));
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
if (pvar_sp)
Added a feature where registers can be referred to using special $-variables from expressions. (lldb) expr $rip These variables are available for reading and writing. llvm-svn: 120367
2010-11-30 08:27:43 +08:00
{
Improved expression logging. Now all calls to FindExternalVisibleDecls and FindExternalLexicalDecls are marked and given unique IDs, so that all logging done as part of their execution can be traced back to the proper call. Also there was some logging that really wasn't helpful in most cases so I disabled it unless verbose logging (log enable -v lldb expr) is enabled. llvm-svn: 141987
2011-10-15 04:34:21 +08:00
AddOneVariable(context, pvar_sp, current_id);
Added a feature where registers can be referred to using special $-variables from expressions. (lldb) expr $rip These variables are available for reading and writing. llvm-svn: 120367
2010-11-30 08:27:43 +08:00
return;
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added a feature where registers can be referred to using special $-variables from expressions. (lldb) expr $rip These variables are available for reading and writing. llvm-svn: 120367
2010-11-30 08:27:43 +08:00
const char *reg_name(&name.GetCString()[1]);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed a bunch of ownership problems with the expression parser. Specifically: - ClangUserExpression now keeps weak pointers to the structures it needs and then locks them when needed. This ensures that they continue to be valid without leaking memory if the ClangUserExpression is long lived. - ClangExpressionDeclMap, instead of keeping a pointer to an ExecutionContext, now contains an ExecutionContext. This prevents bugs if the pointer or its contents somehow become stale. It also no longer requires that ExecutionContexts be passed into any function except its initialization function, since it can count on the ExecutionContext still being around. There's a lot of room for improvement (specifically, ClangExpressionDeclMap should also use weak pointers insetad of shared pointers) but this is an important first step that codifies assumptions that already existed in the code. llvm-svn: 150217
2012-02-10 09:22:05 +08:00
if (m_parser_vars->m_exe_ctx.GetRegisterContext())
Added a feature where registers can be referred to using special $-variables from expressions. (lldb) expr $rip These variables are available for reading and writing. llvm-svn: 120367
2010-11-30 08:27:43 +08:00
{
Fixed a bunch of ownership problems with the expression parser. Specifically: - ClangUserExpression now keeps weak pointers to the structures it needs and then locks them when needed. This ensures that they continue to be valid without leaking memory if the ClangUserExpression is long lived. - ClangExpressionDeclMap, instead of keeping a pointer to an ExecutionContext, now contains an ExecutionContext. This prevents bugs if the pointer or its contents somehow become stale. It also no longer requires that ExecutionContexts be passed into any function except its initialization function, since it can count on the ExecutionContext still being around. There's a lot of room for improvement (specifically, ClangExpressionDeclMap should also use weak pointers insetad of shared pointers) but this is an important first step that codifies assumptions that already existed in the code. llvm-svn: 150217
2012-02-10 09:22:05 +08:00
const RegisterInfo *reg_info(m_parser_vars->m_exe_ctx.GetRegisterContext()->GetRegisterInfoByName(reg_name));
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added a feature where registers can be referred to using special $-variables from expressions. (lldb) expr $rip These variables are available for reading and writing. llvm-svn: 120367
2010-11-30 08:27:43 +08:00
if (reg_info)
Improved logging, replacing the old ASTDumper (which we never used) with a much simpler class that wraps the relevant dump functions in Clang. This class also knows to disable external lookups on DeclContexts being dumped so it should be safe to print incomplete Decls. llvm-svn: 142359
2011-10-19 00:46:55 +08:00
{
if (log)
Cloned FindExternalVisibleDecls from ClangExpressionDeclMap to ClangASTSource, and moved all general type and namespace lookups into ClangASTSource. Now ClangASTSource is ready to complete types given nothing more than a target and an AST context. llvm-svn: 143292
2011-10-30 03:50:43 +08:00
log->Printf(" CEDM::FEVD[%u] Found register %s", current_id, reg_info->name);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Improved expression logging. Now all calls to FindExternalVisibleDecls and FindExternalLexicalDecls are marked and given unique IDs, so that all logging done as part of their execution can be traced back to the proper call. Also there was some logging that really wasn't helpful in most cases so I disabled it unless verbose logging (log enable -v lldb expr) is enabled. llvm-svn: 141987
2011-10-15 04:34:21 +08:00
AddOneRegister(context, reg_info, current_id);
Improved logging, replacing the old ASTDumper (which we never used) with a much simpler class that wraps the relevant dump functions in Clang. This class also knows to disable external lookups on DeclContexts being dumped so it should be safe to print incomplete Decls. llvm-svn: 142359
2011-10-19 00:46:55 +08:00
}
Added a feature where registers can be referred to using special $-variables from expressions. (lldb) expr $rip These variables are available for reading and writing. llvm-svn: 120367
2010-11-30 08:27:43 +08:00
}
Made many ConstString functions inlined in the header file. Changed all of our synthesized "___clang" functions, types and variables that get used in expressions over to have a prefix of "$_lldb". Now when we do name lookups we can easily switch off of the first '$' character to know if we should look through only our internal (when first char is '$') stuff, or when we should look through program variables, functions and types. Converted all of the clang expression code over to using "const ConstString&" values for names instead of "const char *" since there were many places that were converting the "const char *" names into ConstString names and them throwing them away. We now avoid making a lot of ConstString conversions and benefit from the quick comparisons in a few extra spots. Converted a lot of code from LLVM coding conventions into LLDB coding conventions. llvm-svn: 116634
2010-10-16 06:48:33 +08:00
}
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
else
{
ValueObjectSP valobj;
VariableSP var;
Error err;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
if (frame && !namespace_decl)
{
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
valobj = frame->GetValueForVariableExpressionPath(name_unique_cstr,
eNoDynamicValues,
A series of bit-flag values should be bitwise-or'ed not logical-or'ed. clang unreachable code warning. llvm-svn: 219916
2014-10-16 16:15:11 +08:00
StackFrame::eExpressionPathOptionCheckPtrVsMember |
StackFrame::eExpressionPathOptionsNoFragileObjcIvar |
StackFrame::eExpressionPathOptionsNoSyntheticChildren |
Roll back the changes I made in r193907 which created a new Frame pure virtual base class and made StackFrame a subclass of that. As I started to build on top of that arrangement today, I found that it wasn't working out like I intended. Instead I'll try sticking with the single StackFrame class -- there's too much code duplication to make a more complicated class hierarchy sensible I think. llvm-svn: 193983
2013-11-04 17:33:30 +08:00
StackFrame::eExpressionPathOptionsNoSyntheticArrayRange,
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
var,
err);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
// If we found a variable in scope, no need to pull up function names
Removed explicit NULL checks for shared pointers and instead made us use implicit casts to bool. This generated a warning in C++11. <rdar://problem/11930775> llvm-svn: 161559
2012-08-09 08:50:26 +08:00
if (err.Success() && var)
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
{
Modified ClangExpressionDeclMap to use existing ValueObjects when creating variables referring to live data rather than constructing ValueObjectConstResults. llvm-svn: 145437
2011-11-30 06:03:21 +08:00
AddOneVariable(context, var, valobj, current_id);
Refactoring in preparation for having multiple calls to the FindExternalVisibleDecls function. FindExternalVisibleDecls was recording whether it had found generic function symbols in variables that were local to the function. Now, however, multiple calls occur in response to one request from Clang, since we may be searching across namespaces. To support that, I moved the local variables into a bitfield in NameSearchContext. llvm-svn: 141808
2011-10-13 04:29:25 +08:00
context.m_found.variable = true;
Fixed a problem where local variables conflict with types of the same name. If a local variable with the given name is found (and we are not searching a specific namespace) we stop right then and there and report it. llvm-svn: 142962
2011-10-26 04:36:57 +08:00
return;
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
}
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed a problem where if a frame was present the expression parser would never try getting typed variables from the target. llvm-svn: 146317
2011-12-10 12:03:38 +08:00
if (target)
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
{
Made FindGlobalVariable() optionally search a specific module and namespace. Also made it use FindGlobalVariables() instead of the more heavyweight GetVariablesForVariableExpressionPath(). llvm-svn: 141783
2011-10-13 00:59:31 +08:00
var = FindGlobalVariable (*target,
Made the expression parser's type search call the proper namespace-aware APIs. llvm-svn: 141797
2011-10-13 02:44:30 +08:00
module_sp,
Made FindGlobalVariable() optionally search a specific module and namespace. Also made it use FindGlobalVariables() instead of the more heavyweight GetVariablesForVariableExpressionPath(). llvm-svn: 141783
2011-10-13 00:59:31 +08:00
name,
&namespace_decl,
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
NULL);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
if (var)
{
Two fixes for file variables: - Even if a frame isn't present, we always try to use FindGlobalVariable to find variables. Instead of using frame->TrackGlobalVariable() to promote the VariableSP into a ValueObject, we now simply use ValueObjectVariable. - When requesting the value of a variable, we allow returning of the "live version" of the variable -- that is, the variable in the target instead of a pointer to its freeze dried version in LLDB -- even if there is no process present. llvm-svn: 146315
2011-12-10 11:12:34 +08:00
valobj = ValueObjectVariable::Create(target, var);
Modified ClangExpressionDeclMap to use existing ValueObjects when creating variables referring to live data rather than constructing ValueObjectConstResults. llvm-svn: 145437
2011-11-30 06:03:21 +08:00
AddOneVariable(context, var, valobj, current_id);
Refactoring in preparation for having multiple calls to the FindExternalVisibleDecls function. FindExternalVisibleDecls was recording whether it had found generic function symbols in variables that were local to the function. Now, however, multiple calls occur in response to one request from Clang, since we may be searching across namespaces. To support that, I moved the local variables into a bitfield in NameSearchContext. llvm-svn: 141808
2011-10-13 04:29:25 +08:00
context.m_found.variable = true;
Fixed a problem where if a frame was present the expression parser would never try getting typed variables from the target. llvm-svn: 146317
2011-12-10 12:03:38 +08:00
return;
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
}
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Refactoring in preparation for having multiple calls to the FindExternalVisibleDecls function. FindExternalVisibleDecls was recording whether it had found generic function symbols in variables that were local to the function. Now, however, multiple calls occur in response to one request from Clang, since we may be searching across namespaces. To support that, I moved the local variables into a bitfield in NameSearchContext. llvm-svn: 141808
2011-10-13 04:29:25 +08:00
if (!context.m_found.variable)
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
{
Extended function lookup to allow the user to indicate whether inline functions are desired. This allows the expression parser, for instance, to filter out inlined functions when looking for functions it can call. llvm-svn: 150279
2012-02-11 06:52:19 +08:00
const bool include_inlines = false;
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
const bool append = false;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Made the expression parser's type search call the proper namespace-aware APIs. llvm-svn: 141797
2011-10-13 02:44:30 +08:00
if (namespace_decl && module_sp)
Changed FindExternalVisibleDecls() to use the module level FindFunctions() where appropriate and not use SymbolContext::FindFunctionsByName(). llvm-svn: 141789
2011-10-13 01:38:09 +08:00
{
Stop finding bare symbols when we're explicitly told to look in a namespace. llvm-svn: 150590
2012-02-16 01:14:49 +08:00
const bool include_symbols = false;
Made the expression parser's type search call the proper namespace-aware APIs. llvm-svn: 141797
2011-10-13 02:44:30 +08:00
module_sp->FindFunctions(name,
&namespace_decl,
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
eFunctionNameTypeBase,
Made the expression parser's type search call the proper namespace-aware APIs. llvm-svn: 141797
2011-10-13 02:44:30 +08:00
include_symbols,
Extended function lookup to allow the user to indicate whether inline functions are desired. This allows the expression parser, for instance, to filter out inlined functions when looking for functions it can call. llvm-svn: 150279
2012-02-11 06:52:19 +08:00
include_inlines,
Made the expression parser's type search call the proper namespace-aware APIs. llvm-svn: 141797
2011-10-13 02:44:30 +08:00
append,
sc_list);
Changed FindExternalVisibleDecls() to use the module level FindFunctions() where appropriate and not use SymbolContext::FindFunctionsByName(). llvm-svn: 141789
2011-10-13 01:38:09 +08:00
}
Bunch of cleanups for warnings found by the llvm static analyzer. llvm-svn: 165808
2012-10-13 01:34:26 +08:00
else if (target && !namespace_decl)
Changed FindExternalVisibleDecls() to use the module level FindFunctions() where appropriate and not use SymbolContext::FindFunctionsByName(). llvm-svn: 141789
2011-10-13 01:38:09 +08:00
{
Stop finding bare symbols when we're explicitly told to look in a namespace. llvm-svn: 150590
2012-02-16 01:14:49 +08:00
const bool include_symbols = true;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed the expression parser to ignore C++ and Objective-C method names when looking for functions in the top level or a namespace. Method names should only be found via FindExternalLexicalDecls. <rdar://problem/11711679> llvm-svn: 160907
2012-07-28 08:21:01 +08:00
// TODO Fix FindFunctions so that it doesn't return
// instance methods for eFunctionNameTypeBase.
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Changed FindExternalVisibleDecls() to use the module level FindFunctions() where appropriate and not use SymbolContext::FindFunctionsByName(). llvm-svn: 141789
2011-10-13 01:38:09 +08:00
target->GetImages().FindFunctions(name,
<rdar://problem/13506727> Symbol table function names should support lookups like symbols with debug info. To fix this I: - Gutted the way FindFunctions is used, there used to be way too much smarts only in the DWARF plug-in - Made it more efficient by chopping the name up once and using simpler queries so that SymbolFile and Symtab plug-ins don't need to do as much - Filter the results at a higher level - Make the lldb_private::Symtab able to chop up C++ mangled names and make as much sense out of them as possible and also be able to search by basename, fullname, method name, and selector name. llvm-svn: 178608
2013-04-03 10:00:15 +08:00
eFunctionNameTypeFull,
Changed FindExternalVisibleDecls() to use the module level FindFunctions() where appropriate and not use SymbolContext::FindFunctionsByName(). llvm-svn: 141789
2011-10-13 01:38:09 +08:00
include_symbols,
Extended function lookup to allow the user to indicate whether inline functions are desired. This allows the expression parser, for instance, to filter out inlined functions when looking for functions it can call. llvm-svn: 150279
2012-02-11 06:52:19 +08:00
include_inlines,
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
append,
Changed FindExternalVisibleDecls() to use the module level FindFunctions() where appropriate and not use SymbolContext::FindFunctionsByName(). llvm-svn: 141789
2011-10-13 01:38:09 +08:00
sc_list);
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
if (sc_list.GetSize())
{
<rdar://problem/14496092> Fixes from code review by Jim Ingham that reinstate preferring an external vs non-external symbol when finding function addresses. llvm-svn: 193761
2013-11-01 00:59:47 +08:00
Symbol *extern_symbol = NULL;
Symbol *non_extern_symbol = NULL;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
for (uint32_t index = 0, num_indices = sc_list.GetSize();
index < num_indices;
++index)
{
SymbolContext sym_ctx;
sc_list.GetContextAtIndex(index, sym_ctx);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
if (sym_ctx.function)
{
Fixed the expression parser to ignore C++ and Objective-C method names when looking for functions in the top level or a namespace. Method names should only be found via FindExternalLexicalDecls. <rdar://problem/11711679> llvm-svn: 160907
2012-07-28 08:21:01 +08:00
clang::DeclContext *decl_ctx = sym_ctx.function->GetClangDeclContext();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed a crash when we tried dyn_cast<>ing a null pointer. <rdar://problem/13745684> llvm-svn: 180663
2013-04-27 09:57:44 +08:00
if (!decl_ctx)
continue;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed the expression parser to ignore C++ and Objective-C method names when looking for functions in the top level or a namespace. Method names should only be found via FindExternalLexicalDecls. <rdar://problem/11711679> llvm-svn: 160907
2012-07-28 08:21:01 +08:00
// Filter out class/instance methods.
if (dyn_cast<clang::ObjCMethodDecl>(decl_ctx))
continue;
if (dyn_cast<clang::CXXMethodDecl>(decl_ctx))
continue;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed a problem where the expression parser would not find multiple functions with the same name but different types. Now we keep track of what types we've already reported for a function and only elide functions if we've already reported a conflicting one. Also added a test case. <rdar://problem/11367837> llvm-svn: 180167
2013-04-24 08:34:41 +08:00
AddOneFunction(context, sym_ctx.function, NULL, current_id);
Refactoring in preparation for having multiple calls to the FindExternalVisibleDecls function. FindExternalVisibleDecls was recording whether it had found generic function symbols in variables that were local to the function. Now, however, multiple calls occur in response to one request from Clang, since we may be searching across namespaces. To support that, I moved the local variables into a bitfield in NameSearchContext. llvm-svn: 141808
2011-10-13 04:29:25 +08:00
context.m_found.function_with_type_info = true;
context.m_found.function = true;
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
}
else if (sym_ctx.symbol)
{
Don't dereference target if it is NULL. Caught by the clang static analyzer by Jason Molenda. llvm-svn: 210941
2014-06-14 05:57:58 +08:00
if (sym_ctx.symbol->GetType() == eSymbolTypeReExported && target)
<rdar://problem/14496092> Fixes from code review by Jim Ingham that reinstate preferring an external vs non-external symbol when finding function addresses. llvm-svn: 193761
2013-11-01 00:59:47 +08:00
{
sym_ctx.symbol = sym_ctx.symbol->ResolveReExportedSymbol(*target);
if (sym_ctx.symbol == NULL)
continue;
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
<rdar://problem/14496092> Fixes from code review by Jim Ingham that reinstate preferring an external vs non-external symbol when finding function addresses. llvm-svn: 193761
2013-11-01 00:59:47 +08:00
if (sym_ctx.symbol->IsExternal())
extern_symbol = sym_ctx.symbol;
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
else
<rdar://problem/14496092> Fixes from code review by Jim Ingham that reinstate preferring an external vs non-external symbol when finding function addresses. llvm-svn: 193761
2013-11-01 00:59:47 +08:00
non_extern_symbol = sym_ctx.symbol;
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
}
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Refactoring in preparation for having multiple calls to the FindExternalVisibleDecls function. FindExternalVisibleDecls was recording whether it had found generic function symbols in variables that were local to the function. Now, however, multiple calls occur in response to one request from Clang, since we may be searching across namespaces. To support that, I moved the local variables into a bitfield in NameSearchContext. llvm-svn: 141808
2011-10-13 04:29:25 +08:00
if (!context.m_found.function_with_type_info)
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
{
<rdar://problem/14496092> Fixes from code review by Jim Ingham that reinstate preferring an external vs non-external symbol when finding function addresses. llvm-svn: 193761
2013-11-01 00:59:47 +08:00
if (extern_symbol)
{
AddOneFunction (context, NULL, extern_symbol, current_id);
context.m_found.function = true;
}
else if (non_extern_symbol)
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
{
<rdar://problem/14496092> Fixes from code review by Jim Ingham that reinstate preferring an external vs non-external symbol when finding function addresses. llvm-svn: 193761
2013-11-01 00:59:47 +08:00
AddOneFunction (context, NULL, non_extern_symbol, current_id);
Refactoring in preparation for having multiple calls to the FindExternalVisibleDecls function. FindExternalVisibleDecls was recording whether it had found generic function symbols in variables that were local to the function. Now, however, multiple calls occur in response to one request from Clang, since we may be searching across namespaces. To support that, I moved the local variables into a bitfield in NameSearchContext. llvm-svn: 141808
2011-10-13 04:29:25 +08:00
context.m_found.function = true;
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
}
}
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed a few obvious errors pointed out by the static analyzer. llvm-svn: 181911
2013-05-16 02:27:08 +08:00
if (target && !context.m_found.variable && !namespace_decl)
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
{
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
// We couldn't find a non-symbol variable for this. Now we'll hunt for a generic
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
// data symbol, and -- if it is found -- treat it as a variable.
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
<rdar://problem/12106825> Allow the expression parser to see more than just data symbols. We now accept any symbol that has an address. We take precautions to only accept symbols by their mangled or demangled names only if the demangled name was not synthesized. If the demangled name is synthesized, then we now mark symbols accordingly and only compare against the mangled original name. llvm-svn: 168668
2012-11-27 09:52:16 +08:00
const Symbol *data_symbol = FindGlobalDataSymbol(*target, name);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
if (data_symbol)
{
Emit a warning diagnostic if a symbol was promoted to a variable. This helps people figure out what happened if they tried to do something to the variable and it didn't work because we gave it the default type of void*. llvm-svn: 201737
2014-02-20 07:37:25 +08:00
std::string warning("got name from symbols: ");
warning.append(name.AsCString());
const unsigned diag_id = m_ast_context->getDiagnostics().getCustomDiagID(clang::DiagnosticsEngine::Level::Warning, "%0");
m_ast_context->getDiagnostics().Report(diag_id) << warning.c_str();
Improved expression logging. Now all calls to FindExternalVisibleDecls and FindExternalLexicalDecls are marked and given unique IDs, so that all logging done as part of their execution can be traced back to the proper call. Also there was some logging that really wasn't helpful in most cases so I disabled it unless verbose logging (log enable -v lldb expr) is enabled. llvm-svn: 141987
2011-10-15 04:34:21 +08:00
AddOneGenericVariable(context, *data_symbol, current_id);
Refactoring in preparation for having multiple calls to the FindExternalVisibleDecls function. FindExternalVisibleDecls was recording whether it had found generic function symbols in variables that were local to the function. Now, however, multiple calls occur in response to one request from Clang, since we may be searching across namespaces. To support that, I moved the local variables into a bitfield in NameSearchContext. llvm-svn: 141808
2011-10-13 04:29:25 +08:00
context.m_found.variable = true;
Cleanups in preparation for making FindExternalVisibleDecls look in individual modules rather than globally. Also some whitespace fixes. llvm-svn: 141765
2011-10-12 09:39:28 +08:00
}
}
}
Disabled lookups for the Objective-C builtin type "id;" the compiler should pick this type up automatically. llvm-svn: 143094
2011-10-27 10:06:03 +08:00
}
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
}
This commit adds broad architectural support for hierarchical inspection of namespaces in the expression parser. ClangExpressionDeclMap hitherto reported that namespaces had been completely imported, even though the namespaces are returned empty. To deal with this situation, ClangASTSource was recently extended with an API to complete incomplete type definitions, and, for greater efficiency, to complete these definitions partially, returning only those objects that have a given name. This commit supports these APIs on LLDB's side, and uses it to provide information on types resident in namespaces. Namespaces are now imported as they were -- that is to say, empty -- but with minimal import mode on. This means that Clang will come back and request their contents by name as needed. We now respond with information on the contained types; this will be followed soon by information on functions and variables. llvm-svn: 133852
2011-06-25 08:44:06 +08:00
cleanup unreferenced functions This is a mechanical cleanup of unused functions. In the case where the functions are referenced (in comment form), I've simply commented out the functions. A second pass to clean that up is warranted. The functions which are otherwise unused have been removed. Some of these were introduced in the initial commit and not in use prior to that point! NFC llvm-svn: 204310
2014-03-20 14:08:36 +08:00
//static clang_type_t
//MaybePromoteToBlockPointerType
//(
// ASTContext *ast_context,
// clang_type_t candidate_type
//)
//{
// if (!candidate_type)
// return candidate_type;
//
// QualType candidate_qual_type = QualType::getFromOpaquePtr(candidate_type);
//
// const PointerType *candidate_pointer_type = dyn_cast<PointerType>(candidate_qual_type);
//
// if (!candidate_pointer_type)
// return candidate_type;
//
// QualType pointee_qual_type = candidate_pointer_type->getPointeeType();
//
// const RecordType *pointee_record_type = dyn_cast<RecordType>(pointee_qual_type);
//
// if (!pointee_record_type)
// return candidate_type;
//
// RecordDecl *pointee_record_decl = pointee_record_type->getDecl();
//
// if (!pointee_record_decl->isRecord())
// return candidate_type;
//
// if (!pointee_record_decl->getName().startswith(llvm::StringRef("__block_literal_")))
// return candidate_type;
//
// QualType generic_function_type = ast_context->getFunctionNoProtoType(ast_context->UnknownAnyTy);
// QualType block_pointer_type = ast_context->getBlockPointerType(generic_function_type);
//
// return block_pointer_type.getAsOpaquePtr();
//}
Added support for calling blocks from expressions, but gated by an #ifdef until we roll LLVM/Clang to bring in the necessary parser support. llvm-svn: 152149
2012-03-07 05:56:33 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
bool
ClangExpressionDeclMap::GetVariableValue (VariableSP &var,
lldb_private::Value &var_location,
TypeFromUser *user_type,
TypeFromParser *parser_type)
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
{
<rdar://problem/13521159> LLDB is crashing when logging is enabled from lldb-perf-clang. This has to do with the global destructor chain as the process and its threads are being torn down. All logging channels now make one and only one instance that is kept in a global pointer which is never freed. This guarantees that logging can correctly continue as the process tears itself down. llvm-svn: 178191
2013-03-28 07:08:40 +08:00
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
Type *var_type = var->GetType();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
if (!var_type)
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
{
Wrote the code that looks at a context to see if the variables in that context allow a particular JIT compiled expression to run in that context. llvm-svn: 108485
2010-07-16 08:09:46 +08:00
if (log)
log->PutCString("Skipped a definition because it has no type");
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
return false;
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
ClangASTType var_clang_type = var_type->GetClangFullType();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
if (!var_clang_type)
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
{
Wrote the code that looks at a context to see if the variables in that context allow a particular JIT compiled expression to run in that context. llvm-svn: 108485
2010-07-16 08:09:46 +08:00
if (log)
log->PutCString("Skipped a definition because it has no Clang type");
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
return false;
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
This change brings in the latest LLVM/Clang, and completes the support in the LLDB expression parser for incomplete types. Clang now imports types lazily, and we complete those types as necessary. Changes include: - ClangASTSource now supports three APIs which it passes to ClangExpressionDeclMap. CompleteType completes a TagDecl or an ObjCInterfaceDecl when needed; FindExternalVisibleDecls finds named entities that are visible in the expression's scope; and FindExternalLexicalDecls performs a (potentially restricted) search for entities inside a lexical scope like a namespace. These changes mean that entities in namespaces should work normally. - The SymbolFileDWARF code for searching a context for a specific name is now more general, and can search arbitrary contexts. - We are continuing to adapt our calls into LLVM from interfaces that take start and end iterators when accepting multiple items to interfaces that use ArrayRef. - I have cleaned up some code, especially our use of namespaces. This change is neutral for our testsuite and greatly improves correctness for large programs (like Clang) with complicated type systems. It should also lay the groundwork for improving the expression parser's performance as we are lazier and lazier about providing type information. llvm-svn: 136555
2011-07-30 10:42:06 +08:00
ASTContext *ast = var_type->GetClangASTContext().getASTContext();
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
A few of the issue I have been trying to track down and fix have been due to the way LLDB lazily gets complete definitions for types within the debug info. When we run across a class/struct/union definition in the DWARF, we will only parse the full definition if we need to. This works fine for top level types that are assigned directly to variables and arguments, but when we have a variable with a class, lets say "A" for this example, that has a member: "B *m_b". Initially we don't need to hunt down a definition for this class unless we are ever asked to do something with it ("expr m_b->getDecl()" for example). With my previous approach to lazy type completion, we would be able to take a "A *a" and get a complete type for it, but we wouldn't be able to then do an "a->m_b->getDecl()" unless we always expanded all types within a class prior to handing out the type. Expanding everything is very costly and it would be great if there were a better way. A few months ago I worked with the llvm/clang folks to have the ExternalASTSource class be able to complete classes if there weren't completed yet: class ExternalASTSource { .... virtual void CompleteType (clang::TagDecl *Tag); virtual void CompleteType (clang::ObjCInterfaceDecl *Class); }; This was great, because we can now have the class that is producing the AST (SymbolFileDWARF and SymbolFileDWARFDebugMap) sign up as external AST sources and the object that creates the forward declaration types can now also complete them anywhere within the clang type system. This patch makes a few major changes: - lldb_private::Module classes now own the AST context. Previously the TypeList objects did. - The DWARF parsers now sign up as an external AST sources so they can complete types. - All of the pure clang type system wrapper code we have in LLDB (ClangASTContext, ClangASTType, and more) can now be iterating through children of any type, and if a class/union/struct type (clang::RecordType or ObjC interface) is found that is incomplete, we can ask the AST to get the definition. - The SymbolFileDWARFDebugMap class now will create and use a single AST that all child SymbolFileDWARF classes will share (much like what happens when we have a complete linked DWARF for an executable). We will need to modify some of the ClangUserExpression code to take more advantage of this completion ability in the near future. Meanwhile we should be better off now that we can be accessing any children of variables through pointers and always be able to resolve the clang type if needed. llvm-svn: 123613
2011-01-17 11:46:26 +08:00
if (!ast)
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
{
Wrote the code that looks at a context to see if the variables in that context allow a particular JIT compiled expression to run in that context. llvm-svn: 108485
2010-07-16 08:09:46 +08:00
if (log)
log->PutCString("There is no AST context for the current execution context");
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
return false;
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
}
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
//var_clang_type = MaybePromoteToBlockPointerType (ast, var_clang_type);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added the necessary code to copy variables used by an expression into the struct prepared for the JIT compiled code to use. llvm-svn: 108596
2010-07-17 08:43:37 +08:00
DWARFExpression &var_location_expr = var->LocationExpression();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed a bunch of ownership problems with the expression parser. Specifically: - ClangUserExpression now keeps weak pointers to the structures it needs and then locks them when needed. This ensures that they continue to be valid without leaking memory if the ClangUserExpression is long lived. - ClangExpressionDeclMap, instead of keeping a pointer to an ExecutionContext, now contains an ExecutionContext. This prevents bugs if the pointer or its contents somehow become stale. It also no longer requires that ExecutionContexts be passed into any function except its initialization function, since it can count on the ExecutionContext still being around. There's a lot of room for improvement (specifically, ClangExpressionDeclMap should also use weak pointers insetad of shared pointers) but this is an important first step that codifies assumptions that already existed in the code. llvm-svn: 150217
2012-02-10 09:22:05 +08:00
Target *target = m_parser_vars->m_exe_ctx.GetTargetPtr();
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
Error err;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Made the expression handle variables with DW_AT_const_value instead of a location. Also added a testcase covering "frame variable," "expr" using the IR interpreter, and "expr" using the LLVM JIT. <rdar://problem/12978195> llvm-svn: 172848
2013-01-19 05:20:51 +08:00
if (var->GetLocationIsConstantValueData())
{
DataExtractor const_value_extractor;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Made the expression handle variables with DW_AT_const_value instead of a location. Also added a testcase covering "frame variable," "expr" using the IR interpreter, and "expr" using the LLVM JIT. <rdar://problem/12978195> llvm-svn: 172848
2013-01-19 05:20:51 +08:00
if (var_location_expr.GetExpressionData(const_value_extractor))
{
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
var_location = Value(const_value_extractor.GetDataStart(), const_value_extractor.GetByteSize());
var_location.SetValueType(Value::eValueTypeHostAddress);
Made the expression handle variables with DW_AT_const_value instead of a location. Also added a testcase covering "frame variable," "expr" using the IR interpreter, and "expr" using the LLVM JIT. <rdar://problem/12978195> llvm-svn: 172848
2013-01-19 05:20:51 +08:00
}
else
{
if (log)
log->Printf("Error evaluating constant variable: %s", err.AsCString());
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
return false;
Made the expression handle variables with DW_AT_const_value instead of a location. Also added a testcase covering "frame variable," "expr" using the IR interpreter, and "expr" using the LLVM JIT. <rdar://problem/12978195> llvm-svn: 172848
2013-01-19 05:20:51 +08:00
}
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
ClangASTType type_to_use = GuardedCopyType(var_clang_type);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
if (!type_to_use)
Added functionality to dematerialize values that were used by the JIT compiled expression, including the result of the expression. Also added a new class, ASTType, which encapsulates an opaque Clang type and its associated AST context. Refactored ClangExpressionDeclMap to use ASTTypes, significantly reducing the possibility of mixups of types from different AST contexts. llvm-svn: 108965
2010-07-21 07:31:16 +08:00
{
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
if (log)
log->Printf("Couldn't copy a variable's type into the parser's AST context");
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
return false;
Added functionality to dematerialize values that were used by the JIT compiled expression, including the result of the expression. Also added a new class, ASTType, which encapsulates an opaque Clang type and its associated AST context. Refactored ClangExpressionDeclMap to use ASTTypes, significantly reducing the possibility of mixups of types from different AST contexts. llvm-svn: 108965
2010-07-21 07:31:16 +08:00
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
if (parser_type)
*parser_type = TypeFromParser(type_to_use);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
if (var_location.GetContextType() == Value::eContextTypeInvalid)
var_location.SetClangType(type_to_use);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
if (var_location.GetValueType() == Value::eValueTypeFileAddress)
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
{
SymbolContext var_sc;
var->CalculateSymbolContext(&var_sc);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
if (!var_sc.module_sp)
clean up about 22 warnings messages llvm-svn: 187900
2013-08-08 03:05:15 +08:00
return false;
Cleanup on the unified section list changes. Main changes are: - ObjectFile::GetSymtab() and ObjectFile::ClearSymtab() no longer takes any flags - Module coordinates with the object files and contain a unified section list so that object file and symbol file can share sections when they need to, yet contain their own sections. Other cleanups: - Fixed Symbol::GetByteSize() to not have the symbol table compute the byte sizes on the fly - Modified the ObjectFileMachO class to compute symbol sizes all at once efficiently - Modified the Symtab class to store a file address lookup table for more efficient lookups - Removed Section::Finalize() and SectionList::Finalize() as they did nothing - Improved performance of the detection of symbol files that have debug maps by excluding stripped files and core files, debug files, object files and stubs - Added the ability to tell if an ObjectFile has been stripped with ObjectFile::IsStripped() (used this for the above performance improvement) llvm-svn: 185990
2013-07-10 09:23:25 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
Address so_addr(var_location.GetScalar().ULongLong(), var_sc.module_sp->GetSectionList());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Converted the lldb_private::Process over to use the intrusive shared pointers. Changed the ExecutionContext over to use shared pointers for the target, process, thread and frame since these objects can easily go away at any time and any object that was holding onto an ExecutionContext was running the risk of using a bad object. Now that the shared pointers for target, process, thread and frame are just a single pointer (they all use the instrusive shared pointers) the execution context is much safer and still the same size. Made the shared pointers in the the ExecutionContext class protected and made accessors for all of the various ways to get at the pointers, references, and shared pointers. llvm-svn: 140298
2011-09-22 12:58:26 +08:00
lldb::addr_t load_addr = so_addr.GetLoadAddress(target);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
if (load_addr != LLDB_INVALID_ADDRESS)
{
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
var_location.GetScalar() = load_addr;
var_location.SetValueType(Value::eValueTypeLoadAddress);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
}
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added functionality to dematerialize values that were used by the JIT compiled expression, including the result of the expression. Also added a new class, ASTType, which encapsulates an opaque Clang type and its associated AST context. Refactored ClangExpressionDeclMap to use ASTTypes, significantly reducing the possibility of mixups of types from different AST contexts. llvm-svn: 108965
2010-07-21 07:31:16 +08:00
if (user_type)
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
*user_type = TypeFromUser(var_clang_type);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
return true;
Added the necessary code to copy variables used by an expression into the struct prepared for the JIT compiled code to use. llvm-svn: 108596
2010-07-17 08:43:37 +08:00
}
void
Modified ClangExpressionDeclMap to use existing ValueObjects when creating variables referring to live data rather than constructing ValueObjectConstResults. llvm-svn: 145437
2011-11-30 06:03:21 +08:00
ClangExpressionDeclMap::AddOneVariable (NameSearchContext &context, VariableSP var, ValueObjectSP valobj, unsigned int current_id)
Added the necessary code to copy variables used by an expression into the struct prepared for the JIT compiled code to use. llvm-svn: 108596
2010-07-17 08:43:37 +08:00
{
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
assert (m_parser_vars.get());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
<rdar://problem/13521159> LLDB is crashing when logging is enabled from lldb-perf-clang. This has to do with the global destructor chain as the process and its threads are being torn down. All logging channels now make one and only one instance that is kept in a global pointer which is never freed. This guarantees that logging can correctly continue as the process tears itself down. llvm-svn: 178191
2013-03-28 07:08:40 +08:00
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added functionality to dematerialize values that were used by the JIT compiled expression, including the result of the expression. Also added a new class, ASTType, which encapsulates an opaque Clang type and its associated AST context. Refactored ClangExpressionDeclMap to use ASTTypes, significantly reducing the possibility of mixups of types from different AST contexts. llvm-svn: 108965
2010-07-21 07:31:16 +08:00
TypeFromUser ut;
TypeFromParser pt;
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
Value var_location;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
if (!GetVariableValue (var, var_location, &ut, &pt))
return;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Strengthened LLDB's completion of object types. Now when LLDB reports a variable, it has a complete type. Similarly, when it reports members of a struct, it completes their types. Also, when it creates the result variable for an expression, it ensures that variable's type is complete. This ensures compliance with Clang's expectations, preventing potential crashes. llvm-svn: 152771
2012-03-15 09:53:17 +08:00
clang::QualType parser_opaque_type = QualType::getFromOpaquePtr(pt.GetOpaqueQualType());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added some hardening to make sure that we don't use QualType contents unchecked. llvm-svn: 153201
2012-03-22 01:13:20 +08:00
if (parser_opaque_type.isNull())
return;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Strengthened LLDB's completion of object types. Now when LLDB reports a variable, it has a complete type. Similarly, when it reports members of a struct, it completes their types. Also, when it creates the result variable for an expression, it ensures that variable's type is complete. This ensures compliance with Clang's expectations, preventing potential crashes. llvm-svn: 152771
2012-03-15 09:53:17 +08:00
if (const clang::Type *parser_type = parser_opaque_type.getTypePtr())
{
if (const TagType *tag_type = dyn_cast<TagType>(parser_type))
CompleteType(tag_type->getDecl());
Fixed the AST importer to ensure that base classes of Objective-C classes are completed, and that variables of Objective-C types have their types completed when the variables are reported. This fixes a long-standing issue where ivars did not show up correctly on 32-bit OS X. <rdar://problem/12184093> llvm-svn: 197775
2013-12-20 12:09:05 +08:00
if (const ObjCObjectPointerType *objc_object_ptr_type = dyn_cast<ObjCObjectPointerType>(parser_type))
CompleteType(objc_object_ptr_type->getInterfaceDecl());
Strengthened LLDB's completion of object types. Now when LLDB reports a variable, it has a complete type. Similarly, when it reports members of a struct, it completes their types. Also, when it creates the result variable for an expression, it ensures that variable's type is complete. This ensures compliance with Clang's expectations, preventing potential crashes. llvm-svn: 152771
2012-03-15 09:53:17 +08:00
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
bool is_reference = pt.IsReferenceType();
Changed the way the expression parser handles variables of reference types. Previously, such variables were materialized as references to those references, which caused undesried behavior in Clang and was useless anyway (the benefit of using references to variables is that it allows expressions to modify variables in place, but for references that's not required). Now we just materialize the references directly, which fixes a variety of expressions that use references. llvm-svn: 143137
2011-10-28 03:41:13 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
NamedDecl *var_decl = NULL;
Changed the way the expression parser handles variables of reference types. Previously, such variables were materialized as references to those references, which caused undesried behavior in Clang and was useless anyway (the benefit of using references to variables is that it allows expressions to modify variables in place, but for references that's not required). Now we just materialize the references directly, which fixes a variety of expressions that use references. llvm-svn: 143137
2011-10-28 03:41:13 +08:00
if (is_reference)
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
var_decl = context.AddVarDecl(pt);
Changed the way the expression parser handles variables of reference types. Previously, such variables were materialized as references to those references, which caused undesried behavior in Clang and was useless anyway (the benefit of using references to variables is that it allows expressions to modify variables in place, but for references that's not required). Now we just materialize the references directly, which fixes a variety of expressions that use references. llvm-svn: 143137
2011-10-28 03:41:13 +08:00
else
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
var_decl = context.AddVarDecl(pt.GetLValueReferenceType());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Made many ConstString functions inlined in the header file. Changed all of our synthesized "___clang" functions, types and variables that get used in expressions over to have a prefix of "$_lldb". Now when we do name lookups we can easily switch off of the first '$' character to know if we should look through only our internal (when first char is '$') stuff, or when we should look through program variables, functions and types. Converted all of the clang expression code over to using "const ConstString&" values for names instead of "const char *" since there were many places that were converting the "const char *" names into ConstString names and them throwing them away. We now avoid making a lot of ConstString conversions and benefit from the quick comparisons in a few extra spots. Converted a lot of code from LLVM coding conventions into LLDB coding conventions. llvm-svn: 116634
2010-10-16 06:48:33 +08:00
std::string decl_name(context.m_decl_name.getAsString());
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
ConstString entity_name(decl_name.c_str());
Modified ClangExpressionDeclMap to use existing ValueObjects when creating variables referring to live data rather than constructing ValueObjectConstResults. llvm-svn: 145437
2011-11-30 06:03:21 +08:00
ClangExpressionVariableSP entity(m_found_entities.CreateVariable (valobj));
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
assert (entity.get());
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
entity->EnableParserVars(GetParserID());
ClangExpressionVariable::ParserVars *parser_vars = entity->GetParserVars(GetParserID());
parser_vars->m_parser_type = pt;
parser_vars->m_named_decl = var_decl;
parser_vars->m_llvm_value = NULL;
parser_vars->m_lldb_value = var_location;
parser_vars->m_lldb_var = var;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Changed the way the expression parser handles variables of reference types. Previously, such variables were materialized as references to those references, which caused undesried behavior in Clang and was useless anyway (the benefit of using references to variables is that it allows expressions to modify variables in place, but for references that's not required). Now we just materialize the references directly, which fixes a variety of expressions that use references. llvm-svn: 143137
2011-10-28 03:41:13 +08:00
if (is_reference)
entity->m_flags |= ClangExpressionVariable::EVTypeIsReference;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Wrote the code that looks at a context to see if the variables in that context allow a particular JIT compiled expression to run in that context. llvm-svn: 108485
2010-07-16 08:09:46 +08:00
if (log)
Made many ConstString functions inlined in the header file. Changed all of our synthesized "___clang" functions, types and variables that get used in expressions over to have a prefix of "$_lldb". Now when we do name lookups we can easily switch off of the first '$' character to know if we should look through only our internal (when first char is '$') stuff, or when we should look through program variables, functions and types. Converted all of the clang expression code over to using "const ConstString&" values for names instead of "const char *" since there were many places that were converting the "const char *" names into ConstString names and them throwing them away. We now avoid making a lot of ConstString conversions and benefit from the quick comparisons in a few extra spots. Converted a lot of code from LLVM coding conventions into LLDB coding conventions. llvm-svn: 116634
2010-10-16 06:48:33 +08:00
{
Additional logging to track original versions of imported variables. llvm-svn: 144041
2011-11-08 07:32:52 +08:00
ASTDumper orig_dumper(ut.GetOpaqueQualType());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
ASTDumper ast_dumper(var_decl);
Additional logging to track original versions of imported variables. llvm-svn: 144041
2011-11-08 07:32:52 +08:00
log->Printf(" CEDM::FEVD[%u] Found variable %s, returned %s (original %s)", current_id, decl_name.c_str(), ast_dumper.GetCString(), orig_dumper.GetCString());
Made many ConstString functions inlined in the header file. Changed all of our synthesized "___clang" functions, types and variables that get used in expressions over to have a prefix of "$_lldb". Now when we do name lookups we can easily switch off of the first '$' character to know if we should look through only our internal (when first char is '$') stuff, or when we should look through program variables, functions and types. Converted all of the clang expression code over to using "const ConstString&" values for names instead of "const char *" since there were many places that were converting the "const char *" names into ConstString names and them throwing them away. We now avoid making a lot of ConstString conversions and benefit from the quick comparisons in a few extra spots. Converted a lot of code from LLVM coding conventions into LLDB coding conventions. llvm-svn: 116634
2010-10-16 06:48:33 +08:00
}
Added support to the expression parser for locating externally-defined functions. llvm-svn: 106606
2010-06-23 07:46:24 +08:00
}
Added support for persistent variables to the expression parser. It is now possible to type: (lldb) expr int $i = 5; $i + 1 (int) 6 (lldb) expr $i + 2 (int) 7 The skeleton for automatic result variables is also implemented. The changes affect: - the process, which now contains a ClangPersistentVariables object that holds persistent variables associated with it - the expression parser, which now uses the persistent variables during variable lookup - TaggedASTType, where I loaded some commonly used tags into a header so that they are interchangeable between different clients of the class llvm-svn: 110777
2010-08-11 11:57:18 +08:00
void
ClangExpressionDeclMap::AddOneVariable(NameSearchContext &context,
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
ClangExpressionVariableSP &pvar_sp,
Improved expression logging. Now all calls to FindExternalVisibleDecls and FindExternalLexicalDecls are marked and given unique IDs, so that all logging done as part of their execution can be traced back to the proper call. Also there was some logging that really wasn't helpful in most cases so I disabled it unless verbose logging (log enable -v lldb expr) is enabled. llvm-svn: 141987
2011-10-15 04:34:21 +08:00
unsigned int current_id)
Added support for persistent variables to the expression parser. It is now possible to type: (lldb) expr int $i = 5; $i + 1 (int) 6 (lldb) expr $i + 2 (int) 7 The skeleton for automatic result variables is also implemented. The changes affect: - the process, which now contains a ClangPersistentVariables object that holds persistent variables associated with it - the expression parser, which now uses the persistent variables during variable lookup - TaggedASTType, where I loaded some commonly used tags into a header so that they are interchangeable between different clients of the class llvm-svn: 110777
2010-08-11 11:57:18 +08:00
{
<rdar://problem/13521159> LLDB is crashing when logging is enabled from lldb-perf-clang. This has to do with the global destructor chain as the process and its threads are being torn down. All logging channels now make one and only one instance that is kept in a global pointer which is never freed. This guarantees that logging can correctly continue as the process tears itself down. llvm-svn: 178191
2013-03-28 07:08:40 +08:00
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
TypeFromUser user_type (pvar_sp->GetTypeFromUser());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
TypeFromParser parser_type (GuardedCopyType(user_type));
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Modified clients of ClangASTImporter to be more robust in the face of failures to import types, since blithely passing on NULL types can sometimes lead to trouble. Also eliminated a use of getAs and replaced it with dyn_cast, which is more robust. llvm-svn: 145628
2011-12-02 05:04:37 +08:00
if (!parser_type.GetOpaqueQualType())
{
if (log)
log->Printf(" CEDM::FEVD[%u] Couldn't import type for pvar %s", current_id, pvar_sp->GetName().GetCString());
return;
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
NamedDecl *var_decl = context.AddVarDecl(parser_type.GetLValueReferenceType());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
pvar_sp->EnableParserVars(GetParserID());
ClangExpressionVariable::ParserVars *parser_vars = pvar_sp->GetParserVars(GetParserID());
parser_vars->m_parser_type = parser_type;
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
parser_vars->m_named_decl = var_decl;
parser_vars->m_llvm_value = NULL;
parser_vars->m_lldb_value.Clear();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed a bug where the parser-specific members of persistent variables were staying around too long. This caused the following problem: - A persistent result variable is created for the result of an expression. The pointer to the corresponding Decl is stored in the variable. - The persistent variable is looked up during struct generation (correctly) using its Decl. - Another expression defines a new result variable which happens to have a Decl in the same place as the original result variable. - The persistent variable is looked up during struct generation using its Decl, but the old result variable appears first in the list and has the same Decl pointer. The fix is to destroy parser-specific data when it is no longer valid. Also improved some logging as I diagnosed the bug. llvm-svn: 112540
2010-08-31 06:17:16 +08:00
if (log)
Improved logging and cleaned up a redundant return statement. Now when ClangExpressionDeclMap returns a variable for a name, it pretty-prints that variable to the log instead of printing a (fairly useless) NamedDecl pointer. llvm-svn: 117972
2010-11-02 07:22:47 +08:00
{
Modified the ASTDumper to return a "const char *" instead of a copy of the std::string and modified all places that used the std::string it returned to use the "const char *". Also modified the expression parser to not crash when a function type fails to copy into the expression AST context. llvm-svn: 142561
2011-10-20 08:47:21 +08:00
ASTDumper ast_dumper(var_decl);
Cloned FindExternalVisibleDecls from ClangExpressionDeclMap to ClangASTSource, and moved all general type and namespace lookups into ClangASTSource. Now ClangASTSource is ready to complete types given nothing more than a target and an AST context. llvm-svn: 143292
2011-10-30 03:50:43 +08:00
log->Printf(" CEDM::FEVD[%u] Added pvar %s, returned %s", current_id, pvar_sp->GetName().GetCString(), ast_dumper.GetCString());
Improved logging and cleaned up a redundant return statement. Now when ClangExpressionDeclMap returns a variable for a name, it pretty-prints that variable to the log instead of printing a (fairly useless) NamedDecl pointer. llvm-svn: 117972
2010-11-02 07:22:47 +08:00
}
Added support for persistent variables to the expression parser. It is now possible to type: (lldb) expr int $i = 5; $i + 1 (int) 6 (lldb) expr $i + 2 (int) 7 The skeleton for automatic result variables is also implemented. The changes affect: - the process, which now contains a ClangPersistentVariables object that holds persistent variables associated with it - the expression parser, which now uses the persistent variables during variable lookup - TaggedASTType, where I loaded some commonly used tags into a header so that they are interchangeable between different clients of the class llvm-svn: 110777
2010-08-11 11:57:18 +08:00
}
Added support for reading untyped symbols. Right now they are treated as pointers of type (void*). This allows reading of environ, for instance. llvm-svn: 131063
2011-05-08 10:21:26 +08:00
void
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
ClangExpressionDeclMap::AddOneGenericVariable(NameSearchContext &context,
<rdar://problem/12106825> Allow the expression parser to see more than just data symbols. We now accept any symbol that has an address. We take precautions to only accept symbols by their mangled or demangled names only if the demangled name was not synthesized. If the demangled name is synthesized, then we now mark symbols accordingly and only compare against the mangled original name. llvm-svn: 168668
2012-11-27 09:52:16 +08:00
const Symbol &symbol,
Improved expression logging. Now all calls to FindExternalVisibleDecls and FindExternalLexicalDecls are marked and given unique IDs, so that all logging done as part of their execution can be traced back to the proper call. Also there was some logging that really wasn't helpful in most cases so I disabled it unless verbose logging (log enable -v lldb expr) is enabled. llvm-svn: 141987
2011-10-15 04:34:21 +08:00
unsigned int current_id)
Added support for reading untyped symbols. Right now they are treated as pointers of type (void*). This allows reading of environ, for instance. llvm-svn: 131063
2011-05-08 10:21:26 +08:00
{
assert(m_parser_vars.get());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
<rdar://problem/13521159> LLDB is crashing when logging is enabled from lldb-perf-clang. This has to do with the global destructor chain as the process and its threads are being torn down. All logging channels now make one and only one instance that is kept in a global pointer which is never freed. This guarantees that logging can correctly continue as the process tears itself down. llvm-svn: 178191
2013-03-28 07:08:40 +08:00
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed a bunch of ownership problems with the expression parser. Specifically: - ClangUserExpression now keeps weak pointers to the structures it needs and then locks them when needed. This ensures that they continue to be valid without leaking memory if the ClangUserExpression is long lived. - ClangExpressionDeclMap, instead of keeping a pointer to an ExecutionContext, now contains an ExecutionContext. This prevents bugs if the pointer or its contents somehow become stale. It also no longer requires that ExecutionContexts be passed into any function except its initialization function, since it can count on the ExecutionContext still being around. There's a lot of room for improvement (specifically, ClangExpressionDeclMap should also use weak pointers insetad of shared pointers) but this is an important first step that codifies assumptions that already existed in the code. llvm-svn: 150217
2012-02-10 09:22:05 +08:00
Target *target = m_parser_vars->m_exe_ctx.GetTargetPtr();
Converted the lldb_private::Process over to use the intrusive shared pointers. Changed the ExecutionContext over to use shared pointers for the target, process, thread and frame since these objects can easily go away at any time and any object that was holding onto an ExecutionContext was running the risk of using a bad object. Now that the shared pointers for target, process, thread and frame are just a single pointer (they all use the instrusive shared pointers) the execution context is much safer and still the same size. Made the shared pointers in the the ExecutionContext class protected and made accessors for all of the various ways to get at the pointers, references, and shared pointers. llvm-svn: 140298
2011-09-22 12:58:26 +08:00
if (target == NULL)
return;
ASTContext *scratch_ast_context = target->GetScratchClangASTContext()->getASTContext();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
TypeFromUser user_type (ClangASTContext::GetBasicType(scratch_ast_context, eBasicTypeVoid).GetPointerType().GetLValueReferenceType());
TypeFromParser parser_type (ClangASTContext::GetBasicType(m_ast_context, eBasicTypeVoid).GetPointerType().GetLValueReferenceType());
NamedDecl *var_decl = context.AddVarDecl(parser_type);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added support for reading untyped symbols. Right now they are treated as pointers of type (void*). This allows reading of environ, for instance. llvm-svn: 131063
2011-05-08 10:21:26 +08:00
std::string decl_name(context.m_decl_name.getAsString());
ConstString entity_name(decl_name.c_str());
Fixed a bunch of ownership problems with the expression parser. Specifically: - ClangUserExpression now keeps weak pointers to the structures it needs and then locks them when needed. This ensures that they continue to be valid without leaking memory if the ClangUserExpression is long lived. - ClangExpressionDeclMap, instead of keeping a pointer to an ExecutionContext, now contains an ExecutionContext. This prevents bugs if the pointer or its contents somehow become stale. It also no longer requires that ExecutionContexts be passed into any function except its initialization function, since it can count on the ExecutionContext still being around. There's a lot of room for improvement (specifically, ClangExpressionDeclMap should also use weak pointers insetad of shared pointers) but this is an important first step that codifies assumptions that already existed in the code. llvm-svn: 150217
2012-02-10 09:22:05 +08:00
ClangExpressionVariableSP entity(m_found_entities.CreateVariable (m_parser_vars->m_exe_ctx.GetBestExecutionContextScope (),
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
entity_name,
Added support for reading untyped symbols. Right now they are treated as pointers of type (void*). This allows reading of environ, for instance. llvm-svn: 131063
2011-05-08 10:21:26 +08:00
user_type,
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
m_parser_vars->m_target_info.byte_order,
m_parser_vars->m_target_info.address_byte_size));
Added support for reading untyped symbols. Right now they are treated as pointers of type (void*). This allows reading of environ, for instance. llvm-svn: 131063
2011-05-08 10:21:26 +08:00
assert (entity.get());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
entity->EnableParserVars(GetParserID());
ClangExpressionVariable::ParserVars *parser_vars = entity->GetParserVars(GetParserID());
<rdar://problem/12106825> Allow the expression parser to see more than just data symbols. We now accept any symbol that has an address. We take precautions to only accept symbols by their mangled or demangled names only if the demangled name was not synthesized. If the demangled name is synthesized, then we now mark symbols accordingly and only compare against the mangled original name. llvm-svn: 168668
2012-11-27 09:52:16 +08:00
const Address &symbol_address = symbol.GetAddress();
Converted the lldb_private::Process over to use the intrusive shared pointers. Changed the ExecutionContext over to use shared pointers for the target, process, thread and frame since these objects can easily go away at any time and any object that was holding onto an ExecutionContext was running the risk of using a bad object. Now that the shared pointers for target, process, thread and frame are just a single pointer (they all use the instrusive shared pointers) the execution context is much safer and still the same size. Made the shared pointers in the the ExecutionContext class protected and made accessors for all of the various ways to get at the pointers, references, and shared pointers. llvm-svn: 140298
2011-09-22 12:58:26 +08:00
lldb::addr_t symbol_load_addr = symbol_address.GetLoadAddress(target);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
//parser_vars->m_lldb_value.SetContext(Value::eContextTypeClangType, user_type.GetOpaqueQualType());
parser_vars->m_lldb_value.SetClangType(user_type);
parser_vars->m_lldb_value.GetScalar() = symbol_load_addr;
parser_vars->m_lldb_value.SetValueType(Value::eValueTypeLoadAddress);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
parser_vars->m_parser_type = parser_type;
parser_vars->m_named_decl = var_decl;
parser_vars->m_llvm_value = NULL;
parser_vars->m_lldb_sym = &symbol;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added support for reading untyped symbols. Right now they are treated as pointers of type (void*). This allows reading of environ, for instance. llvm-svn: 131063
2011-05-08 10:21:26 +08:00
if (log)
{
Modified the ASTDumper to return a "const char *" instead of a copy of the std::string and modified all places that used the std::string it returned to use the "const char *". Also modified the expression parser to not crash when a function type fails to copy into the expression AST context. llvm-svn: 142561
2011-10-20 08:47:21 +08:00
ASTDumper ast_dumper(var_decl);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Cloned FindExternalVisibleDecls from ClangExpressionDeclMap to ClangASTSource, and moved all general type and namespace lookups into ClangASTSource. Now ClangASTSource is ready to complete types given nothing more than a target and an AST context. llvm-svn: 143292
2011-10-30 03:50:43 +08:00
log->Printf(" CEDM::FEVD[%u] Found variable %s, returned %s", current_id, decl_name.c_str(), ast_dumper.GetCString());
Added support for reading untyped symbols. Right now they are treated as pointers of type (void*). This allows reading of environ, for instance. llvm-svn: 131063
2011-05-08 10:21:26 +08:00
}
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
bool
Introduced support for UnknownAnyTy, the Clang type representing variables whose type must be inferred from the way they are used. Functions without debug information now return UnknownAnyTy and must be cast. Variables with no debug information are not yet using UnknownAnyTy; instead they are assumed to be void*. Support for variables of unknown type is coming (and, in fact, some relevant support functions are included in this commit) but will take a bit of extra effort. The testsuite has also been updated to reflect the new requirement that the result of printf be cast, i.e. expr (int) printf("Hello world!") llvm-svn: 131263
2011-05-13 07:54:16 +08:00
ClangExpressionDeclMap::ResolveUnknownTypes()
{
<rdar://problem/13521159> LLDB is crashing when logging is enabled from lldb-perf-clang. This has to do with the global destructor chain as the process and its threads are being torn down. All logging channels now make one and only one instance that is kept in a global pointer which is never freed. This guarantees that logging can correctly continue as the process tears itself down. llvm-svn: 178191
2013-03-28 07:08:40 +08:00
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
Fixed a bunch of ownership problems with the expression parser. Specifically: - ClangUserExpression now keeps weak pointers to the structures it needs and then locks them when needed. This ensures that they continue to be valid without leaking memory if the ClangUserExpression is long lived. - ClangExpressionDeclMap, instead of keeping a pointer to an ExecutionContext, now contains an ExecutionContext. This prevents bugs if the pointer or its contents somehow become stale. It also no longer requires that ExecutionContexts be passed into any function except its initialization function, since it can count on the ExecutionContext still being around. There's a lot of room for improvement (specifically, ClangExpressionDeclMap should also use weak pointers insetad of shared pointers) but this is an important first step that codifies assumptions that already existed in the code. llvm-svn: 150217
2012-02-10 09:22:05 +08:00
Target *target = m_parser_vars->m_exe_ctx.GetTargetPtr();
Converted the lldb_private::Process over to use the intrusive shared pointers. Changed the ExecutionContext over to use shared pointers for the target, process, thread and frame since these objects can easily go away at any time and any object that was holding onto an ExecutionContext was running the risk of using a bad object. Now that the shared pointers for target, process, thread and frame are just a single pointer (they all use the instrusive shared pointers) the execution context is much safer and still the same size. Made the shared pointers in the the ExecutionContext class protected and made accessors for all of the various ways to get at the pointers, references, and shared pointers. llvm-svn: 140298
2011-09-22 12:58:26 +08:00
ASTContext *scratch_ast_context = target->GetScratchClangASTContext()->getASTContext();
Introduced support for UnknownAnyTy, the Clang type representing variables whose type must be inferred from the way they are used. Functions without debug information now return UnknownAnyTy and must be cast. Variables with no debug information are not yet using UnknownAnyTy; instead they are assumed to be void*. Support for variables of unknown type is coming (and, in fact, some relevant support functions are included in this commit) but will take a bit of extra effort. The testsuite has also been updated to reflect the new requirement that the result of printf be cast, i.e. expr (int) printf("Hello world!") llvm-svn: 131263
2011-05-13 07:54:16 +08:00
for (size_t index = 0, num_entities = m_found_entities.GetSize();
index < num_entities;
++index)
{
ClangExpressionVariableSP entity = m_found_entities.GetVariableAtIndex(index);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
ClangExpressionVariable::ParserVars *parser_vars = entity->GetParserVars(GetParserID());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Introduced support for UnknownAnyTy, the Clang type representing variables whose type must be inferred from the way they are used. Functions without debug information now return UnknownAnyTy and must be cast. Variables with no debug information are not yet using UnknownAnyTy; instead they are assumed to be void*. Support for variables of unknown type is coming (and, in fact, some relevant support functions are included in this commit) but will take a bit of extra effort. The testsuite has also been updated to reflect the new requirement that the result of printf be cast, i.e. expr (int) printf("Hello world!") llvm-svn: 131263
2011-05-13 07:54:16 +08:00
if (entity->m_flags & ClangExpressionVariable::EVUnknownType)
{
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
const NamedDecl *named_decl = parser_vars->m_named_decl;
Introduced support for UnknownAnyTy, the Clang type representing variables whose type must be inferred from the way they are used. Functions without debug information now return UnknownAnyTy and must be cast. Variables with no debug information are not yet using UnknownAnyTy; instead they are assumed to be void*. Support for variables of unknown type is coming (and, in fact, some relevant support functions are included in this commit) but will take a bit of extra effort. The testsuite has also been updated to reflect the new requirement that the result of printf be cast, i.e. expr (int) printf("Hello world!") llvm-svn: 131263
2011-05-13 07:54:16 +08:00
const VarDecl *var_decl = dyn_cast<VarDecl>(named_decl);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Introduced support for UnknownAnyTy, the Clang type representing variables whose type must be inferred from the way they are used. Functions without debug information now return UnknownAnyTy and must be cast. Variables with no debug information are not yet using UnknownAnyTy; instead they are assumed to be void*. Support for variables of unknown type is coming (and, in fact, some relevant support functions are included in this commit) but will take a bit of extra effort. The testsuite has also been updated to reflect the new requirement that the result of printf be cast, i.e. expr (int) printf("Hello world!") llvm-svn: 131263
2011-05-13 07:54:16 +08:00
if (!var_decl)
{
if (log)
log->Printf("Entity of unknown type does not have a VarDecl");
return false;
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Introduced support for UnknownAnyTy, the Clang type representing variables whose type must be inferred from the way they are used. Functions without debug information now return UnknownAnyTy and must be cast. Variables with no debug information are not yet using UnknownAnyTy; instead they are assumed to be void*. Support for variables of unknown type is coming (and, in fact, some relevant support functions are included in this commit) but will take a bit of extra effort. The testsuite has also been updated to reflect the new requirement that the result of printf be cast, i.e. expr (int) printf("Hello world!") llvm-svn: 131263
2011-05-13 07:54:16 +08:00
if (log)
{
Modified the ASTDumper to return a "const char *" instead of a copy of the std::string and modified all places that used the std::string it returned to use the "const char *". Also modified the expression parser to not crash when a function type fails to copy into the expression AST context. llvm-svn: 142561
2011-10-20 08:47:21 +08:00
ASTDumper ast_dumper(const_cast<VarDecl*>(var_decl));
log->Printf("Variable of unknown type now has Decl %s", ast_dumper.GetCString());
Introduced support for UnknownAnyTy, the Clang type representing variables whose type must be inferred from the way they are used. Functions without debug information now return UnknownAnyTy and must be cast. Variables with no debug information are not yet using UnknownAnyTy; instead they are assumed to be void*. Support for variables of unknown type is coming (and, in fact, some relevant support functions are included in this commit) but will take a bit of extra effort. The testsuite has also been updated to reflect the new requirement that the result of printf be cast, i.e. expr (int) printf("Hello world!") llvm-svn: 131263
2011-05-13 07:54:16 +08:00
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Introduced support for UnknownAnyTy, the Clang type representing variables whose type must be inferred from the way they are used. Functions without debug information now return UnknownAnyTy and must be cast. Variables with no debug information are not yet using UnknownAnyTy; instead they are assumed to be void*. Support for variables of unknown type is coming (and, in fact, some relevant support functions are included in this commit) but will take a bit of extra effort. The testsuite has also been updated to reflect the new requirement that the result of printf be cast, i.e. expr (int) printf("Hello world!") llvm-svn: 131263
2011-05-13 07:54:16 +08:00
QualType var_type = var_decl->getType();
TypeFromParser parser_type(var_type.getAsOpaquePtr(), &var_decl->getASTContext());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
This commit completes the rearchitecting of ClangASTSource to allow variables in the persistent variable store to know how to complete themselves from debug information. That fixes a variety of bugs during dematerialization of expression results and also makes persistent variable and result variables ($foo, $4, ...) more useful. I have also added logging improvements that make it much easier to figure out how types are moving from place to place, and made some checking a little more aggressive. The commit includes patches to Clang which are currently being integrated into Clang proper; once these fixes are in Clang top-of-tree, these patches will be removed. The patches don't fix API; rather, they fix some internal bugs in Clang's ASTImporter that were exposed when LLDB was moving types from place to place multiple times. llvm-svn: 144969
2011-11-18 11:28:09 +08:00
lldb::clang_type_t copied_type = m_ast_importer->CopyType(scratch_ast_context, &var_decl->getASTContext(), var_type.getAsOpaquePtr());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Modified clients of ClangASTImporter to be more robust in the face of failures to import types, since blithely passing on NULL types can sometimes lead to trouble. Also eliminated a use of getAs and replaced it with dyn_cast, which is more robust. llvm-svn: 145628
2011-12-02 05:04:37 +08:00
if (!copied_type)
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
{
Modified clients of ClangASTImporter to be more robust in the face of failures to import types, since blithely passing on NULL types can sometimes lead to trouble. Also eliminated a use of getAs and replaced it with dyn_cast, which is more robust. llvm-svn: 145628
2011-12-02 05:04:37 +08:00
if (log)
log->Printf("ClangExpressionDeclMap::ResolveUnknownType - Couldn't import the type for a variable");
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Add explicit casts to bool in "shared pointer is valid" constructs that return bool. llvm-svn: 161719
2012-08-11 08:35:26 +08:00
return (bool) lldb::ClangExpressionVariableSP();
Modified clients of ClangASTImporter to be more robust in the face of failures to import types, since blithely passing on NULL types can sometimes lead to trouble. Also eliminated a use of getAs and replaced it with dyn_cast, which is more robust. llvm-svn: 145628
2011-12-02 05:04:37 +08:00
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Introduced support for UnknownAnyTy, the Clang type representing variables whose type must be inferred from the way they are used. Functions without debug information now return UnknownAnyTy and must be cast. Variables with no debug information are not yet using UnknownAnyTy; instead they are assumed to be void*. Support for variables of unknown type is coming (and, in fact, some relevant support functions are included in this commit) but will take a bit of extra effort. The testsuite has also been updated to reflect the new requirement that the result of printf be cast, i.e. expr (int) printf("Hello world!") llvm-svn: 131263
2011-05-13 07:54:16 +08:00
TypeFromUser user_type(copied_type, scratch_ast_context);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
// parser_vars->m_lldb_value.SetContext(Value::eContextTypeClangType, user_type.GetOpaqueQualType());
parser_vars->m_lldb_value.SetClangType(user_type);
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
parser_vars->m_parser_type = parser_type;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
entity->SetClangType(user_type);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Introduced support for UnknownAnyTy, the Clang type representing variables whose type must be inferred from the way they are used. Functions without debug information now return UnknownAnyTy and must be cast. Variables with no debug information are not yet using UnknownAnyTy; instead they are assumed to be void*. Support for variables of unknown type is coming (and, in fact, some relevant support functions are included in this commit) but will take a bit of extra effort. The testsuite has also been updated to reflect the new requirement that the result of printf be cast, i.e. expr (int) printf("Hello world!") llvm-svn: 131263
2011-05-13 07:54:16 +08:00
entity->m_flags &= ~(ClangExpressionVariable::EVUnknownType);
}
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Introduced support for UnknownAnyTy, the Clang type representing variables whose type must be inferred from the way they are used. Functions without debug information now return UnknownAnyTy and must be cast. Variables with no debug information are not yet using UnknownAnyTy; instead they are assumed to be void*. Support for variables of unknown type is coming (and, in fact, some relevant support functions are included in this commit) but will take a bit of extra effort. The testsuite has also been updated to reflect the new requirement that the result of printf be cast, i.e. expr (int) printf("Hello world!") llvm-svn: 131263
2011-05-13 07:54:16 +08:00
return true;
}
Added a feature where registers can be referred to using special $-variables from expressions. (lldb) expr $rip These variables are available for reading and writing. llvm-svn: 120367
2010-11-30 08:27:43 +08:00
void
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
ClangExpressionDeclMap::AddOneRegister (NameSearchContext &context,
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
const RegisterInfo *reg_info,
Improved expression logging. Now all calls to FindExternalVisibleDecls and FindExternalLexicalDecls are marked and given unique IDs, so that all logging done as part of their execution can be traced back to the proper call. Also there was some logging that really wasn't helpful in most cases so I disabled it unless verbose logging (log enable -v lldb expr) is enabled. llvm-svn: 141987
2011-10-15 04:34:21 +08:00
unsigned int current_id)
Added a feature where registers can be referred to using special $-variables from expressions. (lldb) expr $rip These variables are available for reading and writing. llvm-svn: 120367
2010-11-30 08:27:43 +08:00
{
<rdar://problem/13521159> LLDB is crashing when logging is enabled from lldb-perf-clang. This has to do with the global destructor chain as the process and its threads are being torn down. All logging channels now make one and only one instance that is kept in a global pointer which is never freed. This guarantees that logging can correctly continue as the process tears itself down. llvm-svn: 178191
2013-03-28 07:08:40 +08:00
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
ClangASTType clang_type = ClangASTContext::GetBuiltinTypeForEncodingAndBitSize (m_ast_context,
reg_info->encoding,
reg_info->byte_size * 8);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
if (!clang_type)
Added a feature where registers can be referred to using special $-variables from expressions. (lldb) expr $rip These variables are available for reading and writing. llvm-svn: 120367
2010-11-30 08:27:43 +08:00
{
Check log shared pointer before using it. llvm-svn: 137169
2011-08-10 06:52:27 +08:00
if (log)
Improved expression logging. Now all calls to FindExternalVisibleDecls and FindExternalLexicalDecls are marked and given unique IDs, so that all logging done as part of their execution can be traced back to the proper call. Also there was some logging that really wasn't helpful in most cases so I disabled it unless verbose logging (log enable -v lldb expr) is enabled. llvm-svn: 141987
2011-10-15 04:34:21 +08:00
log->Printf(" Tried to add a type for %s, but couldn't get one", context.m_decl_name.getAsString().c_str());
Added a feature where registers can be referred to using special $-variables from expressions. (lldb) expr $rip These variables are available for reading and writing. llvm-svn: 120367
2010-11-30 08:27:43 +08:00
return;
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
TypeFromParser parser_clang_type (clang_type);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
NamedDecl *var_decl = context.AddVarDecl(parser_clang_type);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed a bunch of ownership problems with the expression parser. Specifically: - ClangUserExpression now keeps weak pointers to the structures it needs and then locks them when needed. This ensures that they continue to be valid without leaking memory if the ClangUserExpression is long lived. - ClangExpressionDeclMap, instead of keeping a pointer to an ExecutionContext, now contains an ExecutionContext. This prevents bugs if the pointer or its contents somehow become stale. It also no longer requires that ExecutionContexts be passed into any function except its initialization function, since it can count on the ExecutionContext still being around. There's a lot of room for improvement (specifically, ClangExpressionDeclMap should also use weak pointers insetad of shared pointers) but this is an important first step that codifies assumptions that already existed in the code. llvm-svn: 150217
2012-02-10 09:22:05 +08:00
ClangExpressionVariableSP entity(m_found_entities.CreateVariable (m_parser_vars->m_exe_ctx.GetBestExecutionContextScope(),
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
m_parser_vars->m_target_info.byte_order,
m_parser_vars->m_target_info.address_byte_size));
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
assert (entity.get());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added a feature where registers can be referred to using special $-variables from expressions. (lldb) expr $rip These variables are available for reading and writing. llvm-svn: 120367
2010-11-30 08:27:43 +08:00
std::string decl_name(context.m_decl_name.getAsString());
Modified LLDB expressions to not have to JIT and run code just to see variable values or persistent expression variables. Now if an expression consists of a value that is a child of a variable, or of a persistent variable only, we will create a value object for it and make a ValueObjectConstResult from it to freeze the value (for program variables only, not persistent variables) and avoid running JITed code. For everything else we still parse up and JIT code and run it in the inferior. There was also a lot of clean up in the expression code. I made the ClangExpressionVariables be stored in collections of shared pointers instead of in collections of objects. This will help stop a lot of copy constructors on these large objects and also cleans up the code considerably. The persistent clang expression variables were moved over to the Target to ensure they persist across process executions. Added the ability for lldb_private::Target objects to evaluate expressions. We want to evaluate expressions at the target level in case we aren't running yet, or we have just completed running. We still want to be able to access the persistent expression variables between runs, and also evaluate constant expressions. Added extra logging to the dynamic loader plug-in for MacOSX. ModuleList objects can now dump their contents with the UUID, arch and full paths being logged with appropriate prefix values. Thread hardened the Communication class a bit by making the connection auto_ptr member into a shared pointer member and then making a local copy of the shared pointer in each method that uses it to make sure another thread can't nuke the connection object while it is being used by another thread. Added a new file to the lldb/test/load_unload test that causes the test a.out file to link to the libd.dylib file all the time. This will allow us to test using the DYLD_LIBRARY_PATH environment variable after moving libd.dylib somewhere else. llvm-svn: 121745
2010-12-14 10:59:59 +08:00
entity->SetName (ConstString (decl_name.c_str()));
entity->SetRegisterInfo (reg_info);
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
entity->EnableParserVars(GetParserID());
ClangExpressionVariable::ParserVars *parser_vars = entity->GetParserVars(GetParserID());
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
parser_vars->m_parser_type = parser_clang_type;
parser_vars->m_named_decl = var_decl;
parser_vars->m_llvm_value = NULL;
parser_vars->m_lldb_value.Clear();
Previoously the expression parser had to rely on the JIT when printing the values of registers (e.g., "expr $pc"). Now the expression parser can do this in the IR interpreter without running code in the inferior process. llvm-svn: 150554
2012-02-15 09:40:39 +08:00
entity->m_flags |= ClangExpressionVariable::EVBareRegister;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Previoously the expression parser had to rely on the JIT when printing the values of registers (e.g., "expr $pc"). Now the expression parser can do this in the IR interpreter without running code in the inferior process. llvm-svn: 150554
2012-02-15 09:40:39 +08:00
if (log)
Added a feature where registers can be referred to using special $-variables from expressions. (lldb) expr $rip These variables are available for reading and writing. llvm-svn: 120367
2010-11-30 08:27:43 +08:00
{
Modified the ASTDumper to return a "const char *" instead of a copy of the std::string and modified all places that used the std::string it returned to use the "const char *". Also modified the expression parser to not crash when a function type fails to copy into the expression AST context. llvm-svn: 142561
2011-10-20 08:47:21 +08:00
ASTDumper ast_dumper(var_decl);
Cloned FindExternalVisibleDecls from ClangExpressionDeclMap to ClangASTSource, and moved all general type and namespace lookups into ClangASTSource. Now ClangASTSource is ready to complete types given nothing more than a target and an AST context. llvm-svn: 143292
2011-10-30 03:50:43 +08:00
log->Printf(" CEDM::FEVD[%d] Added register %s, returned %s", current_id, context.m_decl_name.getAsString().c_str(), ast_dumper.GetCString());
Added a feature where registers can be referred to using special $-variables from expressions. (lldb) expr $rip These variables are available for reading and writing. llvm-svn: 120367
2010-11-30 08:27:43 +08:00
}
}
Added support to the expression parser for locating externally-defined functions. llvm-svn: 106606
2010-06-23 07:46:24 +08:00
void
Added a function to lldb_private::Address: addr_t Address::GetCallableLoadAddress (Target *target) const; This will resolve the load address in the Address object and optionally decorate the address up to be able to be called. For all non ARM targets, this just essentially returns the result of "Address::GetLoadAddress (target)". But for ARM targets, it checks if the address is Thumb, and if so, it returns an address with bit zero set to indicate a mode switch to Thumb. This is how we need function pointers to be for return addresses and when resolving function addresses for the JIT. It is also nice to centralize this in one spot to avoid having multiple copies of this code. llvm-svn: 131588
2011-05-19 06:01:49 +08:00
ClangExpressionDeclMap::AddOneFunction (NameSearchContext &context,
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
Function* function,
Improved expression logging. Now all calls to FindExternalVisibleDecls and FindExternalLexicalDecls are marked and given unique IDs, so that all logging done as part of their execution can be traced back to the proper call. Also there was some logging that really wasn't helpful in most cases so I disabled it unless verbose logging (log enable -v lldb expr) is enabled. llvm-svn: 141987
2011-10-15 04:34:21 +08:00
Symbol* symbol,
unsigned int current_id)
Added support to the expression parser for locating externally-defined functions. llvm-svn: 106606
2010-06-23 07:46:24 +08:00
{
Fixed object lifetimes in ClangExpressionDeclMap so that it is not referring to potentially stale state during IR execution. This was done by introducing modular state (like ClangExpressionVariable) where groups of state variables have well-defined lifetimes: - m_parser_vars are specific to parsing, and only exist between calls to WillParse() and DidParse(). - m_struct_vars survive for the entire execution of the ClangExpressionDeclMap because they provide the template for a materialized set of expression variables. - m_material_vars are specific to a single instance of materialization, and only exist between calls to Materialize() and Dematerialize(). I also removed unnecessary references to long- lived state that really didn't need to be referred to at all, and also introduced several assert()s that helped me diagnose a few bugs (fixed too). llvm-svn: 120778
2010-12-03 09:38:59 +08:00
assert (m_parser_vars.get());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
<rdar://problem/13521159> LLDB is crashing when logging is enabled from lldb-perf-clang. This has to do with the global destructor chain as the process and its threads are being torn down. All logging channels now make one and only one instance that is kept in a global pointer which is never freed. This guarantees that logging can correctly continue as the process tears itself down. llvm-svn: 178191
2013-03-28 07:08:40 +08:00
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
NamedDecl *function_decl = NULL;
Audited the expression parser to find uninitialized pointers. Some of the spots are obviously initialized later, but it's better just to NULL the pointers out at initialization to make the code more robust when exposed to later changes. llvm-svn: 134670
2011-07-08 08:39:14 +08:00
const Address *fun_address = NULL;
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
ClangASTType function_clang_type;
Add GNU indirect function support in expressions for Linux. llvm-svn: 176206
2013-02-28 04:13:38 +08:00
bool is_indirect_function = false;
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
if (function)
Changed SymbolContext so when you search for functions it returns a list of functions as a SymbolContextList. Rewrote the clients of SymbolContext to use this SymbolContextList. Rewrote some of the providers of the data to SymbolContext to make them respect preferences as to whether the list should be cleared first; propagated that change out. ClangExpressionDeclMap and ClangASTSource use this new function list to properly generate function definitions - even for functions that don't have a prototype in the debug information. llvm-svn: 109476
2010-07-27 08:55:47 +08:00
{
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
Type *function_type = function->GetType();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
if (!function_type)
Changed SymbolContext so when you search for functions it returns a list of functions as a SymbolContextList. Rewrote the clients of SymbolContext to use this SymbolContextList. Rewrote some of the providers of the data to SymbolContext to make them respect preferences as to whether the list should be cleared first; propagated that change out. ClangExpressionDeclMap and ClangASTSource use this new function list to properly generate function definitions - even for functions that don't have a prototype in the debug information. llvm-svn: 109476
2010-07-27 08:55:47 +08:00
{
if (log)
Improved expression logging. Now all calls to FindExternalVisibleDecls and FindExternalLexicalDecls are marked and given unique IDs, so that all logging done as part of their execution can be traced back to the proper call. Also there was some logging that really wasn't helpful in most cases so I disabled it unless verbose logging (log enable -v lldb expr) is enabled. llvm-svn: 141987
2011-10-15 04:34:21 +08:00
log->PutCString(" Skipped a function because it has no type");
Changed SymbolContext so when you search for functions it returns a list of functions as a SymbolContextList. Rewrote the clients of SymbolContext to use this SymbolContextList. Rewrote some of the providers of the data to SymbolContext to make them respect preferences as to whether the list should be cleared first; propagated that change out. ClangExpressionDeclMap and ClangASTSource use this new function list to properly generate function definitions - even for functions that don't have a prototype in the debug information. llvm-svn: 109476
2010-07-27 08:55:47 +08:00
return;
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
function_clang_type = function_type->GetClangFullType();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
if (!function_clang_type)
Changed SymbolContext so when you search for functions it returns a list of functions as a SymbolContextList. Rewrote the clients of SymbolContext to use this SymbolContextList. Rewrote some of the providers of the data to SymbolContext to make them respect preferences as to whether the list should be cleared first; propagated that change out. ClangExpressionDeclMap and ClangASTSource use this new function list to properly generate function definitions - even for functions that don't have a prototype in the debug information. llvm-svn: 109476
2010-07-27 08:55:47 +08:00
{
if (log)
Improved expression logging. Now all calls to FindExternalVisibleDecls and FindExternalLexicalDecls are marked and given unique IDs, so that all logging done as part of their execution can be traced back to the proper call. Also there was some logging that really wasn't helpful in most cases so I disabled it unless verbose logging (log enable -v lldb expr) is enabled. llvm-svn: 141987
2011-10-15 04:34:21 +08:00
log->PutCString(" Skipped a function because it has no Clang type");
Changed SymbolContext so when you search for functions it returns a list of functions as a SymbolContextList. Rewrote the clients of SymbolContext to use this SymbolContextList. Rewrote some of the providers of the data to SymbolContext to make them respect preferences as to whether the list should be cleared first; propagated that change out. ClangExpressionDeclMap and ClangASTSource use this new function list to properly generate function definitions - even for functions that don't have a prototype in the debug information. llvm-svn: 109476
2010-07-27 08:55:47 +08:00
return;
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
fun_address = &function->GetAddressRange().GetBaseAddress();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
ClangASTType copied_function_type = GuardedCopyType(function_clang_type);
if (copied_function_type)
Modified the ASTDumper to return a "const char *" instead of a copy of the std::string and modified all places that used the std::string it returned to use the "const char *". Also modified the expression parser to not crash when a function type fails to copy into the expression AST context. llvm-svn: 142561
2011-10-20 08:47:21 +08:00
{
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
function_decl = context.AddFunDecl(copied_function_type);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
if (!function_decl)
Fixed a problem where the expression parser would not find multiple functions with the same name but different types. Now we keep track of what types we've already reported for a function and only elide functions if we've already reported a conflicting one. Also added a test case. <rdar://problem/11367837> llvm-svn: 180167
2013-04-24 08:34:41 +08:00
{
if (log)
{
log->Printf (" Failed to create a function decl for '%s' {0x%8.8" PRIx64 "}",
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
function_type->GetName().GetCString(),
function_type->GetID());
Fixed a problem where the expression parser would not find multiple functions with the same name but different types. Now we keep track of what types we've already reported for a function and only elide functions if we've already reported a conflicting one. Also added a test case. <rdar://problem/11367837> llvm-svn: 180167
2013-04-24 08:34:41 +08:00
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed a problem where the expression parser would not find multiple functions with the same name but different types. Now we keep track of what types we've already reported for a function and only elide functions if we've already reported a conflicting one. Also added a test case. <rdar://problem/11367837> llvm-svn: 180167
2013-04-24 08:34:41 +08:00
return;
}
Modified the ASTDumper to return a "const char *" instead of a copy of the std::string and modified all places that used the std::string it returned to use the "const char *". Also modified the expression parser to not crash when a function type fails to copy into the expression AST context. llvm-svn: 142561
2011-10-20 08:47:21 +08:00
}
else
{
// We failed to copy the type we found
if (log)
{
Resolve printf formatting warnings on Linux: - use macros from inttypes.h for format strings instead of OS-specific types Patch from Matt Kopec! llvm-svn: 168945
2012-11-30 05:49:15 +08:00
log->Printf (" Failed to import the function type '%s' {0x%8.8" PRIx64 "} into the expression parser AST contenxt",
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
function_type->GetName().GetCString(),
function_type->GetID());
Modified the ASTDumper to return a "const char *" instead of a copy of the std::string and modified all places that used the std::string it returned to use the "const char *". Also modified the expression parser to not crash when a function type fails to copy into the expression AST context. llvm-svn: 142561
2011-10-20 08:47:21 +08:00
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed a crash when we merrily went on to try to log information about a nonexistent function declaration. llvm-svn: 144744
2011-11-16 08:40:13 +08:00
return;
Modified the ASTDumper to return a "const char *" instead of a copy of the std::string and modified all places that used the std::string it returned to use the "const char *". Also modified the expression parser to not crash when a function type fails to copy into the expression AST context. llvm-svn: 142561
2011-10-20 08:47:21 +08:00
}
Changed SymbolContext so when you search for functions it returns a list of functions as a SymbolContextList. Rewrote the clients of SymbolContext to use this SymbolContextList. Rewrote some of the providers of the data to SymbolContext to make them respect preferences as to whether the list should be cleared first; propagated that change out. ClangExpressionDeclMap and ClangASTSource use this new function list to properly generate function definitions - even for functions that don't have a prototype in the debug information. llvm-svn: 109476
2010-07-27 08:55:47 +08:00
}
else if (symbol)
{
<rdar://problem/10997402> This fix really needed to happen as a previous fix I had submitted for calculating symbol sizes made many symbols appear to have zero size since the function that was calculating the symbol size was calling another function that would cause the calculation to happen again. This resulted in some symbols having zero size when they shouldn't. This could then cause infinite stack traces and many other side affects. llvm-svn: 152244
2012-03-08 05:03:09 +08:00
fun_address = &symbol->GetAddress();
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
function_decl = context.AddGenericFunDecl();
Add GNU indirect function support in expressions for Linux. llvm-svn: 176206
2013-02-28 04:13:38 +08:00
is_indirect_function = symbol->IsIndirect();
Changed SymbolContext so when you search for functions it returns a list of functions as a SymbolContextList. Rewrote the clients of SymbolContext to use this SymbolContextList. Rewrote some of the providers of the data to SymbolContext to make them respect preferences as to whether the list should be cleared first; propagated that change out. ClangExpressionDeclMap and ClangASTSource use this new function list to properly generate function definitions - even for functions that don't have a prototype in the debug information. llvm-svn: 109476
2010-07-27 08:55:47 +08:00
}
else
Added support to the expression parser for locating externally-defined functions. llvm-svn: 106606
2010-06-23 07:46:24 +08:00
{
Wrote the code that looks at a context to see if the variables in that context allow a particular JIT compiled expression to run in that context. llvm-svn: 108485
2010-07-16 08:09:46 +08:00
if (log)
Improved expression logging. Now all calls to FindExternalVisibleDecls and FindExternalLexicalDecls are marked and given unique IDs, so that all logging done as part of their execution can be traced back to the proper call. Also there was some logging that really wasn't helpful in most cases so I disabled it unless verbose logging (log enable -v lldb expr) is enabled. llvm-svn: 141987
2011-10-15 04:34:21 +08:00
log->PutCString(" AddOneFunction called with no function and no symbol");
Added support to the expression parser for locating externally-defined functions. llvm-svn: 106606
2010-06-23 07:46:24 +08:00
return;
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed a bunch of ownership problems with the expression parser. Specifically: - ClangUserExpression now keeps weak pointers to the structures it needs and then locks them when needed. This ensures that they continue to be valid without leaking memory if the ClangUserExpression is long lived. - ClangExpressionDeclMap, instead of keeping a pointer to an ExecutionContext, now contains an ExecutionContext. This prevents bugs if the pointer or its contents somehow become stale. It also no longer requires that ExecutionContexts be passed into any function except its initialization function, since it can count on the ExecutionContext still being around. There's a lot of room for improvement (specifically, ClangExpressionDeclMap should also use weak pointers insetad of shared pointers) but this is an important first step that codifies assumptions that already existed in the code. llvm-svn: 150217
2012-02-10 09:22:05 +08:00
Target *target = m_parser_vars->m_exe_ctx.GetTargetPtr();
Converted the lldb_private::Process over to use the intrusive shared pointers. Changed the ExecutionContext over to use shared pointers for the target, process, thread and frame since these objects can easily go away at any time and any object that was holding onto an ExecutionContext was running the risk of using a bad object. Now that the shared pointers for target, process, thread and frame are just a single pointer (they all use the instrusive shared pointers) the execution context is much safer and still the same size. Made the shared pointers in the the ExecutionContext class protected and made accessors for all of the various ways to get at the pointers, references, and shared pointers. llvm-svn: 140298
2011-09-22 12:58:26 +08:00
Add GNU indirect function support in expressions for Linux. llvm-svn: 176206
2013-02-28 04:13:38 +08:00
lldb::addr_t load_addr = fun_address->GetCallableLoadAddress(target, is_indirect_function);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
ClangExpressionVariableSP entity(m_found_entities.CreateVariable (m_parser_vars->m_exe_ctx.GetBestExecutionContextScope (),
m_parser_vars->m_target_info.byte_order,
m_parser_vars->m_target_info.address_byte_size));
assert (entity.get());
std::string decl_name(context.m_decl_name.getAsString());
entity->SetName(ConstString(decl_name.c_str()));
entity->SetClangType (function_clang_type);
entity->EnableParserVars(GetParserID());
ClangExpressionVariable::ParserVars *parser_vars = entity->GetParserVars(GetParserID());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed handling of function pointers in the IR interpreter. They now have correct values, even when the process is not running. llvm-svn: 177372
2013-03-19 09:45:02 +08:00
if (load_addr != LLDB_INVALID_ADDRESS)
{
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
parser_vars->m_lldb_value.SetValueType(Value::eValueTypeLoadAddress);
parser_vars->m_lldb_value.GetScalar() = load_addr;
Fixed handling of function pointers in the IR interpreter. They now have correct values, even when the process is not running. llvm-svn: 177372
2013-03-19 09:45:02 +08:00
}
else
{
// We have to try finding a file address.
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed handling of function pointers in the IR interpreter. They now have correct values, even when the process is not running. llvm-svn: 177372
2013-03-19 09:45:02 +08:00
lldb::addr_t file_addr = fun_address->GetFileAddress();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
parser_vars->m_lldb_value.SetValueType(Value::eValueTypeFileAddress);
parser_vars->m_lldb_value.GetScalar() = file_addr;
Fixed handling of function pointers in the IR interpreter. They now have correct values, even when the process is not running. llvm-svn: 177372
2013-03-19 09:45:02 +08:00
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
parser_vars->m_named_decl = function_decl;
ClangExpressionVariable previously was not capable of handling multiple clients. However, occasionally an expression must be run in the service of another expression, and in this case two parsers need to access the same list of persistent variables. To allow this, persistent variables now provide state for multiple parsers, and parsers must allocate, access, and deallocate this state by providing their own ID (at the moment, simply the value of the "this" pointer). <rdar://problem/12914539> llvm-svn: 172573
2013-01-16 07:29:36 +08:00
parser_vars->m_llvm_value = NULL;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Wrote the code that looks at a context to see if the variables in that context allow a particular JIT compiled expression to run in that context. llvm-svn: 108485
2010-07-16 08:09:46 +08:00
if (log)
Made many ConstString functions inlined in the header file. Changed all of our synthesized "___clang" functions, types and variables that get used in expressions over to have a prefix of "$_lldb". Now when we do name lookups we can easily switch off of the first '$' character to know if we should look through only our internal (when first char is '$') stuff, or when we should look through program variables, functions and types. Converted all of the clang expression code over to using "const ConstString&" values for names instead of "const char *" since there were many places that were converting the "const char *" names into ConstString names and them throwing them away. We now avoid making a lot of ConstString conversions and benefit from the quick comparisons in a few extra spots. Converted a lot of code from LLVM coding conventions into LLDB coding conventions. llvm-svn: 116634
2010-10-16 06:48:33 +08:00
{
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
ASTDumper ast_dumper(function_decl);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed the expression parser to ignore C++ and Objective-C method names when looking for functions in the top level or a namespace. Method names should only be found via FindExternalLexicalDecls. <rdar://problem/11711679> llvm-svn: 160907
2012-07-28 08:21:01 +08:00
StreamString ss;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed the expression parser to ignore C++ and Objective-C method names when looking for functions in the top level or a namespace. Method names should only be found via FindExternalLexicalDecls. <rdar://problem/11711679> llvm-svn: 160907
2012-07-28 08:21:01 +08:00
fun_address->Dump(&ss, m_parser_vars->m_exe_ctx.GetBestExecutionContextScope(), Address::DumpStyleResolvedDescription);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Fixed the expression parser to ignore C++ and Objective-C method names when looking for functions in the top level or a namespace. Method names should only be found via FindExternalLexicalDecls. <rdar://problem/11711679> llvm-svn: 160907
2012-07-28 08:21:01 +08:00
log->Printf(" CEDM::FEVD[%u] Found %s function %s (description %s), returned %s",
Improved expression logging. Now all calls to FindExternalVisibleDecls and FindExternalLexicalDecls are marked and given unique IDs, so that all logging done as part of their execution can be traced back to the proper call. Also there was some logging that really wasn't helpful in most cases so I disabled it unless verbose logging (log enable -v lldb expr) is enabled. llvm-svn: 141987
2011-10-15 04:34:21 +08:00
current_id,
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
(function ? "specific" : "generic"),
Fixed the expression parser to ignore C++ and Objective-C method names when looking for functions in the top level or a namespace. Method names should only be found via FindExternalLexicalDecls. <rdar://problem/11711679> llvm-svn: 160907
2012-07-28 08:21:01 +08:00
decl_name.c_str(),
ss.GetData(),
Modified the ASTDumper to return a "const char *" instead of a copy of the std::string and modified all places that used the std::string it returned to use the "const char *". Also modified the expression parser to not crash when a function type fails to copy into the expression AST context. llvm-svn: 142561
2011-10-20 08:47:21 +08:00
ast_dumper.GetCString());
Made many ConstString functions inlined in the header file. Changed all of our synthesized "___clang" functions, types and variables that get used in expressions over to have a prefix of "$_lldb". Now when we do name lookups we can easily switch off of the first '$' character to know if we should look through only our internal (when first char is '$') stuff, or when we should look through program variables, functions and types. Converted all of the clang expression code over to using "const ConstString&" values for names instead of "const char *" since there were many places that were converting the "const char *" names into ConstString names and them throwing them away. We now avoid making a lot of ConstString conversions and benefit from the quick comparisons in a few extra spots. Converted a lot of code from LLVM coding conventions into LLDB coding conventions. llvm-svn: 116634
2010-10-16 06:48:33 +08:00
}
Initial checkin of lldb code from internal Apple repo. llvm-svn: 105619
2010-06-09 00:52:24 +08:00
}
Added support for accessing members of C++ objects, including superclass members. This involved ensuring that access control was ignored, and ensuring that the operands of BitCasts were properly scanned for variables that needed importing. Also laid the groundwork for declaring objects of custom types; however, this functionality is disabled for now because of a potential loop in ASTImporter. llvm-svn: 110174
2010-08-04 09:02:13 +08:00
Modified the expression parser's class wrapper to support reporting "this" as a templated class. The expression parser wraps expressions in C++ methods as methods with the signature $__lldb_class::$__lldb_expr(...) and previously responded to clang's queries about $__lldb_class with the type of *this. This didn't work if *this was a ClassTemplateSpecializationDecl because ClassTemplateSpecializationDecls can't be the result of simple name queries. Instead what we do now is respond that $__lldb_class is a typedef and that the target of the typedef is the (potentially templated) type of *this. That is much more robust. Thanks to John McCall for key insights. <rdar://problem/10987183> llvm-svn: 174153
2013-02-01 14:55:48 +08:00
TypeFromParser
ClangExpressionDeclMap::CopyClassType(TypeFromUser &ut,
unsigned int current_id)
Added support for accessing members of C++ objects, including superclass members. This involved ensuring that access control was ignored, and ensuring that the operands of BitCasts were properly scanned for variables that needed importing. Also laid the groundwork for declaring objects of custom types; however, this functionality is disabled for now because of a potential loop in ASTImporter. llvm-svn: 110174
2010-08-04 09:02:13 +08:00
{
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
ClangASTType copied_clang_type = GuardedCopyType(ut);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
if (!copied_clang_type)
Modified clients of ClangASTImporter to be more robust in the face of failures to import types, since blithely passing on NULL types can sometimes lead to trouble. Also eliminated a use of getAs and replaced it with dyn_cast, which is more robust. llvm-svn: 145628
2011-12-02 05:04:37 +08:00
{
<rdar://problem/13521159> LLDB is crashing when logging is enabled from lldb-perf-clang. This has to do with the global destructor chain as the process and its threads are being torn down. All logging channels now make one and only one instance that is kept in a global pointer which is never freed. This guarantees that logging can correctly continue as the process tears itself down. llvm-svn: 178191
2013-03-28 07:08:40 +08:00
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Modified clients of ClangASTImporter to be more robust in the face of failures to import types, since blithely passing on NULL types can sometimes lead to trouble. Also eliminated a use of getAs and replaced it with dyn_cast, which is more robust. llvm-svn: 145628
2011-12-02 05:04:37 +08:00
if (log)
Modified the expression parser's class wrapper to support reporting "this" as a templated class. The expression parser wraps expressions in C++ methods as methods with the signature $__lldb_class::$__lldb_expr(...) and previously responded to clang's queries about $__lldb_class with the type of *this. This didn't work if *this was a ClassTemplateSpecializationDecl because ClassTemplateSpecializationDecls can't be the result of simple name queries. Instead what we do now is respond that $__lldb_class is a typedef and that the target of the typedef is the (potentially templated) type of *this. That is much more robust. Thanks to John McCall for key insights. <rdar://problem/10987183> llvm-svn: 174153
2013-02-01 14:55:48 +08:00
log->Printf("ClangExpressionDeclMap::CopyClassType - Couldn't import the type");
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Modified the expression parser's class wrapper to support reporting "this" as a templated class. The expression parser wraps expressions in C++ methods as methods with the signature $__lldb_class::$__lldb_expr(...) and previously responded to clang's queries about $__lldb_class with the type of *this. This didn't work if *this was a ClassTemplateSpecializationDecl because ClassTemplateSpecializationDecls can't be the result of simple name queries. Instead what we do now is respond that $__lldb_class is a typedef and that the target of the typedef is the (potentially templated) type of *this. That is much more robust. Thanks to John McCall for key insights. <rdar://problem/10987183> llvm-svn: 174153
2013-02-01 14:55:48 +08:00
return TypeFromParser();
Modified clients of ClangASTImporter to be more robust in the face of failures to import types, since blithely passing on NULL types can sometimes lead to trouble. Also eliminated a use of getAs and replaced it with dyn_cast, which is more robust. llvm-svn: 145628
2011-12-02 05:04:37 +08:00
}
Modified the expression parser's class wrapper to support reporting "this" as a templated class. The expression parser wraps expressions in C++ methods as methods with the signature $__lldb_class::$__lldb_expr(...) and previously responded to clang's queries about $__lldb_class with the type of *this. This didn't work if *this was a ClassTemplateSpecializationDecl because ClassTemplateSpecializationDecls can't be the result of simple name queries. Instead what we do now is respond that $__lldb_class is a typedef and that the target of the typedef is the (potentially templated) type of *this. That is much more robust. Thanks to John McCall for key insights. <rdar://problem/10987183> llvm-svn: 174153
2013-02-01 14:55:48 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
if (copied_clang_type.IsAggregateType() && copied_clang_type.GetCompleteType ())
Removed the hacky "#define this ___clang_this" handler for C++ classes. Replaced it with a less hacky approach: - If an expression is defined in the context of a method of class A, then that expression is wrapped as ___clang_class::___clang_expr(void*) { ... } instead of ___clang_expr(void*) { ... }. - ___clang_class is resolved as the type of the target of the "this" pointer in the method the expression is defined in. - When reporting the type of ___clang_class, a method with the signature ___clang_expr(void*) is added to that class, so that Clang doesn't complain about a method being defined without a corresponding declaration. - Whenever the expression gets called, "this" gets looked up, type-checked, and then passed in as the first argument. This required the following changes: - The ABIs were changed to support passing of the "this" pointer as part of trivial calls. - ThreadPlanCallFunction and ClangFunction were changed to support passing of an optional "this" pointer. - ClangUserExpression was extended to perform the wrapping described above. - ClangASTSource was changed to revert the changes required by the hack. - ClangExpressionParser, IRForTarget, and ClangExpressionDeclMap were changed to handle different manglings of ___clang_expr flexibly. This meant no longer searching for a function called ___clang_expr, but rather looking for a function whose name *contains* ___clang_expr. - ClangExpressionParser and ClangExpressionDeclMap now remember whether "this" is required, and know how to look it up as necessary. A few inheritance bugs remain, and I'm trying to resolve these. But it is now possible to use "this" as well as refer implicitly to member variables, when in the proper context. llvm-svn: 114384
2010-09-21 08:44:12 +08:00
{
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
ClangASTType void_clang_type = ClangASTContext::GetBasicType(m_ast_context, eBasicTypeVoid);
ClangASTType void_ptr_clang_type = void_clang_type.GetPointerType();
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
ClangASTType method_type = ClangASTContext::CreateFunctionType (m_ast_context,
void_clang_type,
&void_ptr_clang_type,
Added the capability (turned off for now) to mark a method as __attribute__ ((used)) when adding it to a class. This functionality is useful when stopped in anonymous namespaces: expressions attached to classes in anonymous namespaces are typically elided by Clang's CodeGen because they have no namespaces are intended not to be externally visible. __attribute__ ((used)) forces CodeGen to emit the function. Right now, __attribute__ ((used)) causes the JIT not to emit the function, so we're not enabling it until we fix that. llvm-svn: 143469
2011-11-02 02:07:13 +08:00
1,
false,
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
copied_clang_type.GetTypeQualifiers());
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Added the ability to create an objective C method for an objective C interface in ClangASTContext. Also added two bool returning functions that indicated if an opaque clang qual type is a CXX class type, and if it is an ObjC class type. Objective C classes now will get their methods added lazily as they are encountered. The reason for this is currently, unlike C++, the DW_TAG_structure_type and owns the ivars, doesn't not also contain the member functions. This means when we parse the objective C class interface we either need to find all functions whose names start with "+[CLASS_NAME" or "-[CLASS_NAME" and add them all to the class, or when we parse each objective C function, we slowly add it to the class interface definition. Since objective C's class doesn't change internal bits according to whether it has certain types of member functions (like C++ does if it has virtual functions, or if it has user ctors/dtors), I currently chose to lazily populate the class when each functions is parsed. Another issue we run into with ObjC method declarations is the "self" and "_cmd" implicit args are not marked as artificial in the DWARF (DW_AT_artifical), so we currently have to look for the parameters by name if we are trying to omit artificial function args if the language of the compile unit is ObjC or ObjC++. llvm-svn: 114722
2010-09-24 13:15:53 +08:00
const bool is_virtual = false;
const bool is_static = false;
const bool is_inline = false;
Make C++ constructors and destructors correctly within the clang types we generate from DWARF. llvm-svn: 115268
2010-10-01 10:31:07 +08:00
const bool is_explicit = false;
Updated LLVM/Clang to pull in an MCJIT fix that allows us to set __attribute__ ((used)) on expressions that masquerade as methods. When we are stopped in classes in anonymous namespaces, this fix (and enabling __attribute__ ((used)) on the method) will allow expressions to run. llvm-svn: 143560
2011-11-03 02:09:01 +08:00
const bool is_attr_used = true;
Sometimes the debug information includes artifically- generated special member functions (constructors, destructors, etc.) for classes that don't really have them. We needed to mark these as artificial to reflect the debug information; this bug does that for constructors and destructors. The "etc." case (certain assignment operators, mostly) remains to be fixed. llvm-svn: 143526
2011-11-02 09:38:59 +08:00
const bool is_artificial = false;
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
copied_clang_type.AddMethodToCXXRecordType ("$__lldb_expr",
method_type,
lldb::eAccessPublic,
is_virtual,
is_static,
is_inline,
is_explicit,
is_attr_used,
is_artificial);
Removed the hacky "#define this ___clang_this" handler for C++ classes. Replaced it with a less hacky approach: - If an expression is defined in the context of a method of class A, then that expression is wrapped as ___clang_class::___clang_expr(void*) { ... } instead of ___clang_expr(void*) { ... }. - ___clang_class is resolved as the type of the target of the "this" pointer in the method the expression is defined in. - When reporting the type of ___clang_class, a method with the signature ___clang_expr(void*) is added to that class, so that Clang doesn't complain about a method being defined without a corresponding declaration. - Whenever the expression gets called, "this" gets looked up, type-checked, and then passed in as the first argument. This required the following changes: - The ABIs were changed to support passing of the "this" pointer as part of trivial calls. - ThreadPlanCallFunction and ClangFunction were changed to support passing of an optional "this" pointer. - ClangUserExpression was extended to perform the wrapping described above. - ClangASTSource was changed to revert the changes required by the hack. - ClangExpressionParser, IRForTarget, and ClangExpressionDeclMap were changed to handle different manglings of ___clang_expr flexibly. This meant no longer searching for a function called ___clang_expr, but rather looking for a function whose name *contains* ___clang_expr. - ClangExpressionParser and ClangExpressionDeclMap now remember whether "this" is required, and know how to look it up as necessary. A few inheritance bugs remain, and I'm trying to resolve these. But it is now possible to use "this" as well as refer implicitly to member variables, when in the proper context. llvm-svn: 114384
2010-09-21 08:44:12 +08:00
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
return TypeFromParser(copied_clang_type);
Modified the expression parser's class wrapper to support reporting "this" as a templated class. The expression parser wraps expressions in C++ methods as methods with the signature $__lldb_class::$__lldb_expr(...) and previously responded to clang's queries about $__lldb_class with the type of *this. This didn't work if *this was a ClassTemplateSpecializationDecl because ClassTemplateSpecializationDecls can't be the result of simple name queries. Instead what we do now is respond that $__lldb_class is a typedef and that the target of the typedef is the (potentially templated) type of *this. That is much more robust. Thanks to John McCall for key insights. <rdar://problem/10987183> llvm-svn: 174153
2013-02-01 14:55:48 +08:00
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
void
ClangExpressionDeclMap::AddOneType(NameSearchContext &context,
Modified the expression parser's class wrapper to support reporting "this" as a templated class. The expression parser wraps expressions in C++ methods as methods with the signature $__lldb_class::$__lldb_expr(...) and previously responded to clang's queries about $__lldb_class with the type of *this. This didn't work if *this was a ClassTemplateSpecializationDecl because ClassTemplateSpecializationDecls can't be the result of simple name queries. Instead what we do now is respond that $__lldb_class is a typedef and that the target of the typedef is the (potentially templated) type of *this. That is much more robust. Thanks to John McCall for key insights. <rdar://problem/10987183> llvm-svn: 174153
2013-02-01 14:55:48 +08:00
TypeFromUser &ut,
unsigned int current_id)
{
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
ClangASTType copied_clang_type = GuardedCopyType(ut);
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
if (!copied_clang_type)
Modified the expression parser's class wrapper to support reporting "this" as a templated class. The expression parser wraps expressions in C++ methods as methods with the signature $__lldb_class::$__lldb_expr(...) and previously responded to clang's queries about $__lldb_class with the type of *this. This didn't work if *this was a ClassTemplateSpecializationDecl because ClassTemplateSpecializationDecls can't be the result of simple name queries. Instead what we do now is respond that $__lldb_class is a typedef and that the target of the typedef is the (potentially templated) type of *this. That is much more robust. Thanks to John McCall for key insights. <rdar://problem/10987183> llvm-svn: 174153
2013-02-01 14:55:48 +08:00
{
<rdar://problem/13521159> LLDB is crashing when logging is enabled from lldb-perf-clang. This has to do with the global destructor chain as the process and its threads are being torn down. All logging channels now make one and only one instance that is kept in a global pointer which is never freed. This guarantees that logging can correctly continue as the process tears itself down. llvm-svn: 178191
2013-03-28 07:08:40 +08:00
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
Modified the expression parser's class wrapper to support reporting "this" as a templated class. The expression parser wraps expressions in C++ methods as methods with the signature $__lldb_class::$__lldb_expr(...) and previously responded to clang's queries about $__lldb_class with the type of *this. This didn't work if *this was a ClassTemplateSpecializationDecl because ClassTemplateSpecializationDecls can't be the result of simple name queries. Instead what we do now is respond that $__lldb_class is a typedef and that the target of the typedef is the (potentially templated) type of *this. That is much more robust. Thanks to John McCall for key insights. <rdar://problem/10987183> llvm-svn: 174153
2013-02-01 14:55:48 +08:00
if (log)
log->Printf("ClangExpressionDeclMap::AddOneType - Couldn't import the type");
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Modified the expression parser's class wrapper to support reporting "this" as a templated class. The expression parser wraps expressions in C++ methods as methods with the signature $__lldb_class::$__lldb_expr(...) and previously responded to clang's queries about $__lldb_class with the type of *this. This didn't work if *this was a ClassTemplateSpecializationDecl because ClassTemplateSpecializationDecls can't be the result of simple name queries. Instead what we do now is respond that $__lldb_class is a typedef and that the target of the typedef is the (potentially templated) type of *this. That is much more robust. Thanks to John McCall for key insights. <rdar://problem/10987183> llvm-svn: 174153
2013-02-01 14:55:48 +08:00
return;
}
remove trailing whitespace + remove some useless comments llvm-svn: 212411
2014-07-07 01:54:58 +08:00
Huge change to clean up types. A long time ago we start with clang types that were created by the symbol files and there were many functions in lldb_private::ClangASTContext that helped. Later we create ClangASTType which contains a clang::ASTContext and an opauque QualType, but we didn't switch over to fully using it. There were a lot of places where we would pass around a raw clang_type_t and also pass along a clang::ASTContext separately. This left room for error. This checkin change all type code over to use ClangASTType everywhere and I cleaned up the interfaces quite a bit. Any code that was in ClangASTContext that was type related, was moved over into ClangASTType. All code that used these types was switched over to use all of the new goodness. llvm-svn: 186130
2013-07-12 06:46:58 +08:00
context.AddTypeDecl(copied_clang_type);
Added support for accessing members of C++ objects, including superclass members. This involved ensuring that access control was ignored, and ensuring that the operands of BitCasts were properly scanned for variables that needed importing. Also laid the groundwork for declaring objects of custom types; however, this functionality is disabled for now because of a potential loop in ASTImporter. llvm-svn: 110174
2010-08-04 09:02:13 +08:00
}