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llvm-project/lldb/source/Commands/CommandObjectBreakpoint.cpp

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//===-- CommandObjectBreakpoint.cpp -----------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "CommandObjectBreakpoint.h"
#include "CommandObjectBreakpointCommand.h"
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Breakpoint/Breakpoint.h"
#include "lldb/Breakpoint/BreakpointIDList.h"
#include "lldb/Breakpoint/BreakpointLocation.h"
#include "lldb/Host/StringConvert.h"
#include "lldb/Interpreter/Options.h"
#include "lldb/Interpreter/OptionValueBoolean.h"
#include "lldb/Interpreter/OptionValueString.h"
#include "lldb/Interpreter/OptionValueUInt64.h"
#include "lldb/Core/RegularExpression.h"
#include "lldb/Core/StreamString.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandReturnObject.h"
#include "lldb/Target/LanguageRuntime.h"
#include "lldb/Target/Target.h"
#include "lldb/Interpreter/CommandCompletions.h"
#include "lldb/Target/StackFrame.h"
#include "lldb/Target/Thread.h"
#include "lldb/Target/ThreadSpec.h"
#include <vector>
using namespace lldb;
using namespace lldb_private;
static void
AddBreakpointDescription (Stream *s, Breakpoint *bp, lldb::DescriptionLevel level)
{
s->IndentMore();
bp->GetDescription (s, level, true);
s->IndentLess();
s->EOL();
}
//-------------------------------------------------------------------------
// CommandObjectBreakpointSet
//-------------------------------------------------------------------------
class CommandObjectBreakpointSet : public CommandObjectParsed
{
public:
typedef enum BreakpointSetType
{
eSetTypeInvalid,
eSetTypeFileAndLine,
eSetTypeAddress,
eSetTypeFunctionName,
eSetTypeFunctionRegexp,
eSetTypeSourceRegexp,
eSetTypeException
} BreakpointSetType;
CommandObjectBreakpointSet (CommandInterpreter &interpreter) :
CommandObjectParsed (interpreter,
"breakpoint set",
"Sets a breakpoint or set of breakpoints in the executable.",
"breakpoint set <cmd-options>"),
m_options (interpreter)
{
}
virtual
~CommandObjectBreakpointSet () {}
virtual Options *
GetOptions ()
{
return &m_options;
}
class CommandOptions : public Options
{
public:
CommandOptions (CommandInterpreter &interpreter) :
Options (interpreter),
m_condition (),
m_filenames (),
m_line_num (0),
m_column (0),
m_func_names (),
m_func_name_type_mask (eFunctionNameTypeNone),
m_func_regexp (),
m_source_text_regexp(),
m_modules (),
m_load_addr(),
m_ignore_count (0),
m_thread_id(LLDB_INVALID_THREAD_ID),
m_thread_index (UINT32_MAX),
m_thread_name(),
m_queue_name(),
m_catch_bp (false),
m_throw_bp (true),
m_hardware (false),
m_exception_language (eLanguageTypeUnknown),
m_language (lldb::eLanguageTypeUnknown),
m_skip_prologue (eLazyBoolCalculate),
m_one_shot (false),
m_all_files (false),
m_move_to_nearest_code (eLazyBoolCalculate)
{
}
virtual
~CommandOptions () {}
virtual Error
SetOptionValue (uint32_t option_idx, const char *option_arg)
{
Error error;
const int short_option = m_getopt_table[option_idx].val;
switch (short_option)
{
case 'a':
{
ExecutionContext exe_ctx (m_interpreter.GetExecutionContext());
m_load_addr = Args::StringToAddress(&exe_ctx, option_arg, LLDB_INVALID_ADDRESS, &error);
}
break;
case 'A':
m_all_files = true;
break;
case 'b':
m_func_names.push_back (option_arg);
m_func_name_type_mask |= eFunctionNameTypeBase;
break;
case 'C':
{
bool success;
m_column = StringConvert::ToUInt32 (option_arg, 0, 0, &success);
if (!success)
error.SetErrorStringWithFormat("invalid column number: %s", option_arg);
break;
}
case 'c':
m_condition.assign(option_arg);
break;
case 'D':
m_use_dummy = true;
break;
case 'E':
{
LanguageType language = LanguageRuntime::GetLanguageTypeFromString (option_arg);
switch (language)
{
case eLanguageTypeC89:
case eLanguageTypeC:
case eLanguageTypeC99:
case eLanguageTypeC11:
m_exception_language = eLanguageTypeC;
break;
case eLanguageTypeC_plus_plus:
case eLanguageTypeC_plus_plus_03:
case eLanguageTypeC_plus_plus_11:
case eLanguageTypeC_plus_plus_14:
m_exception_language = eLanguageTypeC_plus_plus;
break;
case eLanguageTypeObjC:
m_exception_language = eLanguageTypeObjC;
break;
case eLanguageTypeObjC_plus_plus:
error.SetErrorStringWithFormat ("Set exception breakpoints separately for c++ and objective-c");
break;
case eLanguageTypeUnknown:
error.SetErrorStringWithFormat ("Unknown language type: '%s' for exception breakpoint", option_arg);
break;
default:
error.SetErrorStringWithFormat ("Unsupported language type: '%s' for exception breakpoint", option_arg);
}
}
break;
case 'f':
m_filenames.AppendIfUnique (FileSpec(option_arg, false));
break;
case 'F':
m_func_names.push_back (option_arg);
m_func_name_type_mask |= eFunctionNameTypeFull;
break;
case 'h':
{
bool success;
m_catch_bp = Args::StringToBoolean (option_arg, true, &success);
if (!success)
error.SetErrorStringWithFormat ("Invalid boolean value for on-catch option: '%s'", option_arg);
}
break;
case 'H':
m_hardware = true;
break;
case 'i':
{
m_ignore_count = StringConvert::ToUInt32(option_arg, UINT32_MAX, 0);
if (m_ignore_count == UINT32_MAX)
error.SetErrorStringWithFormat ("invalid ignore count '%s'", option_arg);
break;
}
case 'K':
{
bool success;
bool value;
value = Args::StringToBoolean (option_arg, true, &success);
if (value)
m_skip_prologue = eLazyBoolYes;
else
m_skip_prologue = eLazyBoolNo;
if (!success)
error.SetErrorStringWithFormat ("Invalid boolean value for skip prologue option: '%s'", option_arg);
}
break;
case 'l':
{
bool success;
m_line_num = StringConvert::ToUInt32 (option_arg, 0, 0, &success);
if (!success)
error.SetErrorStringWithFormat ("invalid line number: %s.", option_arg);
break;
}
case 'L':
m_language = LanguageRuntime::GetLanguageTypeFromString (option_arg);
if (m_language == eLanguageTypeUnknown)
error.SetErrorStringWithFormat ("Unknown language type: '%s' for breakpoint", option_arg);
break;
case 'm':
{
bool success;
bool value;
value = Args::StringToBoolean (option_arg, true, &success);
if (value)
m_move_to_nearest_code = eLazyBoolYes;
else
m_move_to_nearest_code = eLazyBoolNo;
if (!success)
error.SetErrorStringWithFormat ("Invalid boolean value for move-to-nearest-code option: '%s'", option_arg);
break;
}
case 'M':
m_func_names.push_back (option_arg);
m_func_name_type_mask |= eFunctionNameTypeMethod;
break;
case 'n':
m_func_names.push_back (option_arg);
m_func_name_type_mask |= eFunctionNameTypeAuto;
break;
case 'N':
if (BreakpointID::StringIsBreakpointName(option_arg, error))
m_breakpoint_names.push_back (option_arg);
break;
case 'o':
m_one_shot = true;
break;
case 'O':
m_exception_extra_args.AppendArgument ("-O");
m_exception_extra_args.AppendArgument (option_arg);
break;
case 'p':
m_source_text_regexp.assign (option_arg);
break;
case 'q':
m_queue_name.assign (option_arg);
break;
case 'r':
m_func_regexp.assign (option_arg);
break;
case 's':
{
m_modules.AppendIfUnique (FileSpec (option_arg, false));
break;
}
case 'S':
m_func_names.push_back (option_arg);
m_func_name_type_mask |= eFunctionNameTypeSelector;
break;
case 't' :
{
m_thread_id = StringConvert::ToUInt64(option_arg, LLDB_INVALID_THREAD_ID, 0);
if (m_thread_id == LLDB_INVALID_THREAD_ID)
error.SetErrorStringWithFormat ("invalid thread id string '%s'", option_arg);
}
break;
case 'T':
m_thread_name.assign (option_arg);
break;
case 'w':
{
bool success;
m_throw_bp = Args::StringToBoolean (option_arg, true, &success);
if (!success)
error.SetErrorStringWithFormat ("Invalid boolean value for on-throw option: '%s'", option_arg);
}
break;
case 'x':
{
m_thread_index = StringConvert::ToUInt32(option_arg, UINT32_MAX, 0);
if (m_thread_id == UINT32_MAX)
error.SetErrorStringWithFormat ("invalid thread index string '%s'", option_arg);
}
break;
default:
error.SetErrorStringWithFormat ("unrecognized option '%c'", short_option);
break;
}
return error;
}
void
OptionParsingStarting ()
{
m_condition.clear();
m_filenames.Clear();
m_line_num = 0;
m_column = 0;
m_func_names.clear();
m_func_name_type_mask = eFunctionNameTypeNone;
m_func_regexp.clear();
m_source_text_regexp.clear();
m_modules.Clear();
m_load_addr = LLDB_INVALID_ADDRESS;
m_ignore_count = 0;
m_thread_id = LLDB_INVALID_THREAD_ID;
m_thread_index = UINT32_MAX;
m_thread_name.clear();
m_queue_name.clear();
m_catch_bp = false;
m_throw_bp = true;
m_hardware = false;
m_exception_language = eLanguageTypeUnknown;
m_language = lldb::eLanguageTypeUnknown;
m_skip_prologue = eLazyBoolCalculate;
m_one_shot = false;
m_use_dummy = false;
m_breakpoint_names.clear();
m_all_files = false;
m_exception_extra_args.Clear();
m_move_to_nearest_code = eLazyBoolCalculate;
}
const OptionDefinition*
GetDefinitions ()
{
return g_option_table;
}
// Options table: Required for subclasses of Options.
static OptionDefinition g_option_table[];
// Instance variables to hold the values for command options.
std::string m_condition;
FileSpecList m_filenames;
uint32_t m_line_num;
uint32_t m_column;
std::vector<std::string> m_func_names;
std::vector<std::string> m_breakpoint_names;
uint32_t m_func_name_type_mask;
std::string m_func_regexp;
std::string m_source_text_regexp;
FileSpecList m_modules;
lldb::addr_t m_load_addr;
uint32_t m_ignore_count;
lldb::tid_t m_thread_id;
uint32_t m_thread_index;
std::string m_thread_name;
std::string m_queue_name;
bool m_catch_bp;
bool m_throw_bp;
bool m_hardware; // Request to use hardware breakpoints
lldb::LanguageType m_exception_language;
lldb::LanguageType m_language;
LazyBool m_skip_prologue;
bool m_one_shot;
bool m_use_dummy;
bool m_all_files;
Args m_exception_extra_args;
LazyBool m_move_to_nearest_code;
};
protected:
virtual bool
DoExecute (Args& command,
CommandReturnObject &result)
{
Target *target = GetSelectedOrDummyTarget(m_options.m_use_dummy);
if (target == nullptr)
{
result.AppendError ("Invalid target. Must set target before setting breakpoints (see 'target create' command).");
result.SetStatus (eReturnStatusFailed);
return false;
}
// The following are the various types of breakpoints that could be set:
// 1). -f -l -p [-s -g] (setting breakpoint by source location)
// 2). -a [-s -g] (setting breakpoint by address)
// 3). -n [-s -g] (setting breakpoint by function name)
// 4). -r [-s -g] (setting breakpoint by function name regular expression)
// 5). -p -f (setting a breakpoint by comparing a reg-exp to source text)
// 6). -E [-w -h] (setting a breakpoint for exceptions for a given language.)
BreakpointSetType break_type = eSetTypeInvalid;
if (m_options.m_line_num != 0)
break_type = eSetTypeFileAndLine;
else if (m_options.m_load_addr != LLDB_INVALID_ADDRESS)
break_type = eSetTypeAddress;
else if (!m_options.m_func_names.empty())
break_type = eSetTypeFunctionName;
else if (!m_options.m_func_regexp.empty())
break_type = eSetTypeFunctionRegexp;
else if (!m_options.m_source_text_regexp.empty())
break_type = eSetTypeSourceRegexp;
else if (m_options.m_exception_language != eLanguageTypeUnknown)
break_type = eSetTypeException;
Breakpoint *bp = NULL;
FileSpec module_spec;
const bool internal = false;
switch (break_type)
{
case eSetTypeFileAndLine: // Breakpoint by source position
{
FileSpec file;
const size_t num_files = m_options.m_filenames.GetSize();
if (num_files == 0)
{
if (!GetDefaultFile (target, file, result))
{
result.AppendError("No file supplied and no default file available.");
result.SetStatus (eReturnStatusFailed);
return false;
}
}
else if (num_files > 1)
{
result.AppendError("Only one file at a time is allowed for file and line breakpoints.");
result.SetStatus (eReturnStatusFailed);
return false;
}
else
file = m_options.m_filenames.GetFileSpecAtIndex(0);
// Only check for inline functions if
LazyBool check_inlines = eLazyBoolCalculate;
bp = target->CreateBreakpoint (&(m_options.m_modules),
file,
m_options.m_line_num,
check_inlines,
m_options.m_skip_prologue,
internal,
m_options.m_hardware,
m_options.m_move_to_nearest_code).get();
}
break;
case eSetTypeAddress: // Breakpoint by address
bp = target->CreateBreakpoint (m_options.m_load_addr,
internal,
m_options.m_hardware).get();
break;
case eSetTypeFunctionName: // Breakpoint by function name
{
uint32_t name_type_mask = m_options.m_func_name_type_mask;
if (name_type_mask == 0)
name_type_mask = eFunctionNameTypeAuto;
bp = target->CreateBreakpoint (&(m_options.m_modules),
&(m_options.m_filenames),
m_options.m_func_names,
name_type_mask,
m_options.m_language,
m_options.m_skip_prologue,
internal,
m_options.m_hardware).get();
}
break;
case eSetTypeFunctionRegexp: // Breakpoint by regular expression function name
{
RegularExpression regexp(m_options.m_func_regexp.c_str());
if (!regexp.IsValid())
{
char err_str[1024];
regexp.GetErrorAsCString(err_str, sizeof(err_str));
result.AppendErrorWithFormat("Function name regular expression could not be compiled: \"%s\"",
err_str);
result.SetStatus (eReturnStatusFailed);
return false;
}
bp = target->CreateFuncRegexBreakpoint (&(m_options.m_modules),
&(m_options.m_filenames),
regexp,
m_options.m_skip_prologue,
internal,
m_options.m_hardware).get();
}
break;
case eSetTypeSourceRegexp: // Breakpoint by regexp on source text.
{
const size_t num_files = m_options.m_filenames.GetSize();
if (num_files == 0 && !m_options.m_all_files)
{
FileSpec file;
if (!GetDefaultFile (target, file, result))
{
result.AppendError ("No files provided and could not find default file.");
result.SetStatus (eReturnStatusFailed);
return false;
}
else
{
m_options.m_filenames.Append (file);
}
}
RegularExpression regexp(m_options.m_source_text_regexp.c_str());
if (!regexp.IsValid())
{
char err_str[1024];
regexp.GetErrorAsCString(err_str, sizeof(err_str));
result.AppendErrorWithFormat("Source text regular expression could not be compiled: \"%s\"",
err_str);
result.SetStatus (eReturnStatusFailed);
return false;
}
bp = target->CreateSourceRegexBreakpoint (&(m_options.m_modules),
&(m_options.m_filenames),
regexp,
internal,
m_options.m_hardware,
m_options.m_move_to_nearest_code).get();
}
break;
case eSetTypeException:
{
Error precond_error;
bp = target->CreateExceptionBreakpoint (m_options.m_exception_language,
m_options.m_catch_bp,
m_options.m_throw_bp,
internal,
&m_options.m_exception_extra_args,
&precond_error).get();
if (precond_error.Fail())
{
result.AppendErrorWithFormat("Error setting extra exception arguments: %s",
precond_error.AsCString());
target->RemoveBreakpointByID(bp->GetID());
result.SetStatus(eReturnStatusFailed);
return false;
}
}
break;
default:
break;
}
// Now set the various options that were passed in:
if (bp)
{
if (m_options.m_thread_id != LLDB_INVALID_THREAD_ID)
bp->SetThreadID (m_options.m_thread_id);
if (m_options.m_thread_index != UINT32_MAX)
bp->GetOptions()->GetThreadSpec()->SetIndex(m_options.m_thread_index);
if (!m_options.m_thread_name.empty())
bp->GetOptions()->GetThreadSpec()->SetName(m_options.m_thread_name.c_str());
if (!m_options.m_queue_name.empty())
bp->GetOptions()->GetThreadSpec()->SetQueueName(m_options.m_queue_name.c_str());
if (m_options.m_ignore_count != 0)
bp->GetOptions()->SetIgnoreCount(m_options.m_ignore_count);
if (!m_options.m_condition.empty())
bp->GetOptions()->SetCondition(m_options.m_condition.c_str());
if (!m_options.m_breakpoint_names.empty())
{
Error error; // We don't need to check the error here, since the option parser checked it...
for (auto name : m_options.m_breakpoint_names)
bp->AddName(name.c_str(), error);
}
bp->SetOneShot (m_options.m_one_shot);
}
if (bp)
{
Stream &output_stream = result.GetOutputStream();
const bool show_locations = false;
bp->GetDescription(&output_stream, lldb::eDescriptionLevelInitial, show_locations);
if (target == m_interpreter.GetDebugger().GetDummyTarget())
output_stream.Printf ("Breakpoint set in dummy target, will get copied into future targets.\n");
else
{
// Don't print out this warning for exception breakpoints. They can get set before the target
// is set, but we won't know how to actually set the breakpoint till we run.
if (bp->GetNumLocations() == 0 && break_type != eSetTypeException)
{
output_stream.Printf ("WARNING: Unable to resolve breakpoint to any actual locations.\n");
}
}
result.SetStatus (eReturnStatusSuccessFinishResult);
}
else if (!bp)
{
result.AppendError ("Breakpoint creation failed: No breakpoint created.");
result.SetStatus (eReturnStatusFailed);
}
return result.Succeeded();
}
private:
bool
GetDefaultFile (Target *target, FileSpec &file, CommandReturnObject &result)
{
uint32_t default_line;
// First use the Source Manager's default file.
// Then use the current stack frame's file.
if (!target->GetSourceManager().GetDefaultFileAndLine(file, default_line))
{
StackFrame *cur_frame = m_exe_ctx.GetFramePtr();
if (cur_frame == NULL)
{
result.AppendError ("No selected frame to use to find the default file.");
result.SetStatus (eReturnStatusFailed);
return false;
}
else if (!cur_frame->HasDebugInformation())
{
result.AppendError ("Cannot use the selected frame to find the default file, it has no debug info.");
result.SetStatus (eReturnStatusFailed);
return false;
}
else
{
const SymbolContext &sc = cur_frame->GetSymbolContext (eSymbolContextLineEntry);
if (sc.line_entry.file)
{
file = sc.line_entry.file;
}
else
{
result.AppendError ("Can't find the file for the selected frame to use as the default file.");
result.SetStatus (eReturnStatusFailed);
return false;
}
}
}
return true;
}
CommandOptions m_options;
};
// If an additional option set beyond LLDB_OPTION_SET_10 is added, make sure to
// update the numbers passed to LLDB_OPT_SET_FROM_TO(...) appropriately.
#define LLDB_OPT_FILE ( LLDB_OPT_SET_FROM_TO(1, 9) & ~LLDB_OPT_SET_2 )
#define LLDB_OPT_NOT_10 ( LLDB_OPT_SET_FROM_TO(1, 10) & ~LLDB_OPT_SET_10 )
#define LLDB_OPT_SKIP_PROLOGUE ( LLDB_OPT_SET_1 | LLDB_OPT_SET_FROM_TO(3,8) )
#define LLDB_OPT_MOVE_TO_NEAREST_CODE ( LLDB_OPT_SET_1 | LLDB_OPT_SET_9 )
#define LLDB_OPT_EXPR_LANGUAGE ( LLDB_OPT_SET_FROM_TO(3, 8) & ~LLDB_OPT_SET_7 )
OptionDefinition
CommandObjectBreakpointSet::CommandOptions::g_option_table[] =
{
{ LLDB_OPT_NOT_10, false, "shlib", 's', OptionParser::eRequiredArgument, NULL, NULL, CommandCompletions::eModuleCompletion, eArgTypeShlibName,
"Set the breakpoint only in this shared library. "
"Can repeat this option multiple times to specify multiple shared libraries."},
{ LLDB_OPT_SET_ALL, false, "ignore-count", 'i', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeCount,
"Set the number of times this breakpoint is skipped before stopping." },
{ LLDB_OPT_SET_ALL, false, "one-shot", 'o', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone,
"The breakpoint is deleted the first time it causes a stop." },
{ LLDB_OPT_SET_ALL, false, "condition", 'c', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeExpression,
"The breakpoint stops only if this condition expression evaluates to true."},
{ LLDB_OPT_SET_ALL, false, "thread-index", 'x', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeThreadIndex,
"The breakpoint stops only for the thread whose indeX matches this argument."},
{ LLDB_OPT_SET_ALL, false, "thread-id", 't', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeThreadID,
"The breakpoint stops only for the thread whose TID matches this argument."},
{ LLDB_OPT_SET_ALL, false, "thread-name", 'T', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeThreadName,
"The breakpoint stops only for the thread whose thread name matches this argument."},
{ LLDB_OPT_SET_ALL, false, "hardware", 'H', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone,
"Require the breakpoint to use hardware breakpoints."},
{ LLDB_OPT_SET_ALL, false, "queue-name", 'q', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeQueueName,
"The breakpoint stops only for threads in the queue whose name is given by this argument."},
{ LLDB_OPT_FILE, false, "file", 'f', OptionParser::eRequiredArgument, NULL, NULL, CommandCompletions::eSourceFileCompletion, eArgTypeFilename,
"Specifies the source file in which to set this breakpoint. "
"Note, by default lldb only looks for files that are #included if they use the standard include file extensions. "
"To set breakpoints on .c/.cpp/.m/.mm files that are #included, set target.inline-breakpoint-strategy"
" to \"always\"."},
{ LLDB_OPT_SET_1, true, "line", 'l', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeLineNum,
"Specifies the line number on which to set this breakpoint."},
// Comment out this option for the moment, as we don't actually use it, but will in the future.
// This way users won't see it, but the infrastructure is left in place.
// { 0, false, "column", 'C', OptionParser::eRequiredArgument, NULL, "<column>",
// "Set the breakpoint by source location at this particular column."},
{ LLDB_OPT_SET_2, true, "address", 'a', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeAddressOrExpression,
"Set the breakpoint by address, at the specified address."},
{ LLDB_OPT_SET_3, true, "name", 'n', OptionParser::eRequiredArgument, NULL, NULL, CommandCompletions::eSymbolCompletion, eArgTypeFunctionName,
"Set the breakpoint by function name. Can be repeated multiple times to make one breakpoint for multiple names" },
{ LLDB_OPT_SET_4, true, "fullname", 'F', OptionParser::eRequiredArgument, NULL, NULL, CommandCompletions::eSymbolCompletion, eArgTypeFullName,
"Set the breakpoint by fully qualified function names. For C++ this means namespaces and all arguments, and "
"for Objective C this means a full function prototype with class and selector. "
"Can be repeated multiple times to make one breakpoint for multiple names." },
{ LLDB_OPT_SET_5, true, "selector", 'S', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeSelector,
"Set the breakpoint by ObjC selector name. Can be repeated multiple times to make one breakpoint for multiple Selectors." },
{ LLDB_OPT_SET_6, true, "method", 'M', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeMethod,
"Set the breakpoint by C++ method names. Can be repeated multiple times to make one breakpoint for multiple methods." },
{ LLDB_OPT_SET_7, true, "func-regex", 'r', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeRegularExpression,
"Set the breakpoint by function name, evaluating a regular-expression to find the function name(s)." },
{ LLDB_OPT_SET_8, true, "basename", 'b', OptionParser::eRequiredArgument, NULL, NULL, CommandCompletions::eSymbolCompletion, eArgTypeFunctionName,
"Set the breakpoint by function basename (C++ namespaces and arguments will be ignored). "
"Can be repeated multiple times to make one breakpoint for multiple symbols." },
{ LLDB_OPT_SET_9, true, "source-pattern-regexp", 'p', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeRegularExpression,
"Set the breakpoint by specifying a regular expression which is matched against the source text in a source file or files "
"specified with the -f option. The -f option can be specified more than once. "
"If no source files are specified, uses the current \"default source file\"" },
{ LLDB_OPT_SET_9, false, "all-files", 'A', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone,
"All files are searched for source pattern matches." },
{ LLDB_OPT_SET_10, true, "language-exception", 'E', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeLanguage,
"Set the breakpoint on exceptions thrown by the specified language (without options, on throw but not catch.)" },
{ LLDB_OPT_SET_10, false, "on-throw", 'w', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeBoolean,
"Set the breakpoint on exception throW." },
{ LLDB_OPT_SET_10, false, "on-catch", 'h', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeBoolean,
"Set the breakpoint on exception catcH." },
// Don't add this option till it actually does something useful...
// { LLDB_OPT_SET_10, false, "exception-typename", 'O', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeTypeName,
// "The breakpoint will only stop if an exception Object of this type is thrown. Can be repeated multiple times to stop for multiple object types" },
{ LLDB_OPT_EXPR_LANGUAGE, false, "language", 'L', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeLanguage,
"Specifies the Language to use when interpreting the breakpoint's expression (note: currently only implemented for setting breakpoints on identifiers). If not set the target.language setting is used." },
{ LLDB_OPT_SKIP_PROLOGUE, false, "skip-prologue", 'K', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeBoolean,
"sKip the prologue if the breakpoint is at the beginning of a function. If not set the target.skip-prologue setting is used." },
{ LLDB_OPT_SET_ALL, false, "dummy-breakpoints", 'D', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone,
"Sets Dummy breakpoints - i.e. breakpoints set before a file is provided, which prime new targets."},
{ LLDB_OPT_SET_ALL, false, "breakpoint-name", 'N', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeBreakpointName,
"Adds this to the list of names for this breakopint."},
{ LLDB_OPT_MOVE_TO_NEAREST_CODE, false, "move-to-nearest-code", 'm', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeBoolean,
"Move breakpoints to nearest code. If not set the target.move-to-nearest-code setting is used." },
{ 0, false, NULL, 0, 0, NULL, NULL, 0, eArgTypeNone, NULL }
};
//-------------------------------------------------------------------------
// CommandObjectBreakpointModify
//-------------------------------------------------------------------------
#pragma mark Modify
class CommandObjectBreakpointModify : public CommandObjectParsed
{
public:
CommandObjectBreakpointModify (CommandInterpreter &interpreter) :
CommandObjectParsed (interpreter,
"breakpoint modify",
"Modify the options on a breakpoint or set of breakpoints in the executable. "
"If no breakpoint is specified, acts on the last created breakpoint. "
"With the exception of -e, -d and -i, passing an empty argument clears the modification.",
NULL),
m_options (interpreter)
{
CommandArgumentEntry arg;
CommandObject::AddIDsArgumentData(arg, eArgTypeBreakpointID, eArgTypeBreakpointIDRange);
// Add the entry for the first argument for this command to the object's arguments vector.
m_arguments.push_back (arg);
}
virtual
~CommandObjectBreakpointModify () {}
virtual Options *
GetOptions ()
{
return &m_options;
}
class CommandOptions : public Options
{
public:
CommandOptions (CommandInterpreter &interpreter) :
Options (interpreter),
m_ignore_count (0),
m_thread_id(LLDB_INVALID_THREAD_ID),
m_thread_id_passed(false),
m_thread_index (UINT32_MAX),
m_thread_index_passed(false),
m_thread_name(),
m_queue_name(),
m_condition (),
m_one_shot (false),
m_enable_passed (false),
m_enable_value (false),
m_name_passed (false),
m_queue_passed (false),
m_condition_passed (false),
m_one_shot_passed (false),
m_use_dummy (false)
{
}
virtual
~CommandOptions () {}
virtual Error
SetOptionValue (uint32_t option_idx, const char *option_arg)
{
Error error;
const int short_option = m_getopt_table[option_idx].val;
switch (short_option)
{
case 'c':
if (option_arg != NULL)
m_condition.assign (option_arg);
else
m_condition.clear();
m_condition_passed = true;
break;
case 'd':
m_enable_passed = true;
m_enable_value = false;
break;
case 'D':
m_use_dummy = true;
break;
case 'e':
m_enable_passed = true;
m_enable_value = true;
break;
case 'i':
{
m_ignore_count = StringConvert::ToUInt32(option_arg, UINT32_MAX, 0);
if (m_ignore_count == UINT32_MAX)
error.SetErrorStringWithFormat ("invalid ignore count '%s'", option_arg);
}
break;
case 'o':
{
bool value, success;
value = Args::StringToBoolean(option_arg, false, &success);
if (success)
{
m_one_shot_passed = true;
m_one_shot = value;
}
else
error.SetErrorStringWithFormat("invalid boolean value '%s' passed for -o option", option_arg);
}
break;
case 't' :
{
if (option_arg[0] == '\0')
{
m_thread_id = LLDB_INVALID_THREAD_ID;
m_thread_id_passed = true;
}
else
{
m_thread_id = StringConvert::ToUInt64(option_arg, LLDB_INVALID_THREAD_ID, 0);
if (m_thread_id == LLDB_INVALID_THREAD_ID)
error.SetErrorStringWithFormat ("invalid thread id string '%s'", option_arg);
else
m_thread_id_passed = true;
}
}
break;
case 'T':
if (option_arg != NULL)
m_thread_name.assign (option_arg);
else
m_thread_name.clear();
m_name_passed = true;
break;
case 'q':
if (option_arg != NULL)
m_queue_name.assign (option_arg);
else
m_queue_name.clear();
m_queue_passed = true;
break;
case 'x':
{
if (option_arg[0] == '\n')
{
m_thread_index = UINT32_MAX;
m_thread_index_passed = true;
}
else
{
m_thread_index = StringConvert::ToUInt32 (option_arg, UINT32_MAX, 0);
if (m_thread_id == UINT32_MAX)
error.SetErrorStringWithFormat ("invalid thread index string '%s'", option_arg);
else
m_thread_index_passed = true;
}
}
break;
default:
error.SetErrorStringWithFormat ("unrecognized option '%c'", short_option);
break;
}
return error;
}
void
OptionParsingStarting ()
{
m_ignore_count = 0;
m_thread_id = LLDB_INVALID_THREAD_ID;
m_thread_id_passed = false;
m_thread_index = UINT32_MAX;
m_thread_index_passed = false;
m_thread_name.clear();
m_queue_name.clear();
m_condition.clear();
m_one_shot = false;
m_enable_passed = false;
m_queue_passed = false;
m_name_passed = false;
m_condition_passed = false;
m_one_shot_passed = false;
m_use_dummy = false;
}
const OptionDefinition*
GetDefinitions ()
{
return g_option_table;
}
// Options table: Required for subclasses of Options.
static OptionDefinition g_option_table[];
// Instance variables to hold the values for command options.
uint32_t m_ignore_count;
lldb::tid_t m_thread_id;
bool m_thread_id_passed;
uint32_t m_thread_index;
bool m_thread_index_passed;
std::string m_thread_name;
std::string m_queue_name;
std::string m_condition;
bool m_one_shot;
bool m_enable_passed;
bool m_enable_value;
bool m_name_passed;
bool m_queue_passed;
bool m_condition_passed;
bool m_one_shot_passed;
bool m_use_dummy;
};
protected:
virtual bool
DoExecute (Args& command, CommandReturnObject &result)
{
Target *target = GetSelectedOrDummyTarget(m_options.m_use_dummy);
if (target == NULL)
{
result.AppendError ("Invalid target. No existing target or breakpoints.");
result.SetStatus (eReturnStatusFailed);
return false;
}
Mutex::Locker locker;
target->GetBreakpointList().GetListMutex(locker);
BreakpointIDList valid_bp_ids;
CommandObjectMultiwordBreakpoint::VerifyBreakpointOrLocationIDs (command, target, result, &valid_bp_ids);
if (result.Succeeded())
{
const size_t count = valid_bp_ids.GetSize();
for (size_t i = 0; i < count; ++i)
{
BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i);
if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID)
{
Breakpoint *bp = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get();
if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID)
{
BreakpointLocation *location = bp->FindLocationByID (cur_bp_id.GetLocationID()).get();
if (location)
{
if (m_options.m_thread_id_passed)
location->SetThreadID (m_options.m_thread_id);
if (m_options.m_thread_index_passed)
location->SetThreadIndex(m_options.m_thread_index);
if (m_options.m_name_passed)
location->SetThreadName(m_options.m_thread_name.c_str());
if (m_options.m_queue_passed)
location->SetQueueName(m_options.m_queue_name.c_str());
if (m_options.m_ignore_count != 0)
location->SetIgnoreCount(m_options.m_ignore_count);
if (m_options.m_enable_passed)
location->SetEnabled (m_options.m_enable_value);
if (m_options.m_condition_passed)
location->SetCondition (m_options.m_condition.c_str());
}
}
else
{
if (m_options.m_thread_id_passed)
bp->SetThreadID (m_options.m_thread_id);
if (m_options.m_thread_index_passed)
bp->SetThreadIndex(m_options.m_thread_index);
if (m_options.m_name_passed)
bp->SetThreadName(m_options.m_thread_name.c_str());
if (m_options.m_queue_passed)
bp->SetQueueName(m_options.m_queue_name.c_str());
if (m_options.m_ignore_count != 0)
bp->SetIgnoreCount(m_options.m_ignore_count);
if (m_options.m_enable_passed)
bp->SetEnabled (m_options.m_enable_value);
if (m_options.m_condition_passed)
bp->SetCondition (m_options.m_condition.c_str());
}
}
}
}
return result.Succeeded();
}
private:
CommandOptions m_options;
};
#pragma mark Modify::CommandOptions
OptionDefinition
CommandObjectBreakpointModify::CommandOptions::g_option_table[] =
{
{ LLDB_OPT_SET_ALL, false, "ignore-count", 'i', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeCount, "Set the number of times this breakpoint is skipped before stopping." },
{ LLDB_OPT_SET_ALL, false, "one-shot", 'o', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeBoolean, "The breakpoint is deleted the first time it stop causes a stop." },
{ LLDB_OPT_SET_ALL, false, "thread-index", 'x', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeThreadIndex, "The breakpoint stops only for the thread whose index matches this argument."},
{ LLDB_OPT_SET_ALL, false, "thread-id", 't', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeThreadID, "The breakpoint stops only for the thread whose TID matches this argument."},
{ LLDB_OPT_SET_ALL, false, "thread-name", 'T', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeThreadName, "The breakpoint stops only for the thread whose thread name matches this argument."},
{ LLDB_OPT_SET_ALL, false, "queue-name", 'q', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeQueueName, "The breakpoint stops only for threads in the queue whose name is given by this argument."},
{ LLDB_OPT_SET_ALL, false, "condition", 'c', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeExpression, "The breakpoint stops only if this condition expression evaluates to true."},
{ LLDB_OPT_SET_1, false, "enable", 'e', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone, "Enable the breakpoint."},
{ LLDB_OPT_SET_2, false, "disable", 'd', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone, "Disable the breakpoint."},
{ LLDB_OPT_SET_ALL, false, "dummy-breakpoints", 'D', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone, "Sets Dummy breakpoints - i.e. breakpoints set before a file is provided, which prime new targets."},
{ 0, false, NULL, 0 , 0, NULL, NULL, 0, eArgTypeNone, NULL }
};
//-------------------------------------------------------------------------
// CommandObjectBreakpointEnable
//-------------------------------------------------------------------------
#pragma mark Enable
class CommandObjectBreakpointEnable : public CommandObjectParsed
{
public:
CommandObjectBreakpointEnable (CommandInterpreter &interpreter) :
CommandObjectParsed (interpreter,
"enable",
"Enable the specified disabled breakpoint(s). If no breakpoints are specified, enable all of them.",
NULL)
{
CommandArgumentEntry arg;
CommandObject::AddIDsArgumentData(arg, eArgTypeBreakpointID, eArgTypeBreakpointIDRange);
// Add the entry for the first argument for this command to the object's arguments vector.
m_arguments.push_back (arg);
}
virtual
~CommandObjectBreakpointEnable () {}
protected:
virtual bool
DoExecute (Args& command, CommandReturnObject &result)
{
Target *target = GetSelectedOrDummyTarget();
if (target == NULL)
{
result.AppendError ("Invalid target. No existing target or breakpoints.");
result.SetStatus (eReturnStatusFailed);
return false;
}
Mutex::Locker locker;
target->GetBreakpointList().GetListMutex(locker);
const BreakpointList &breakpoints = target->GetBreakpointList();
size_t num_breakpoints = breakpoints.GetSize();
if (num_breakpoints == 0)
{
result.AppendError ("No breakpoints exist to be enabled.");
result.SetStatus (eReturnStatusFailed);
return false;
}
if (command.GetArgumentCount() == 0)
{
// No breakpoint selected; enable all currently set breakpoints.
target->EnableAllBreakpoints ();
result.AppendMessageWithFormat ("All breakpoints enabled. (%" PRIu64 " breakpoints)\n", (uint64_t)num_breakpoints);
result.SetStatus (eReturnStatusSuccessFinishNoResult);
}
else
{
// Particular breakpoint selected; enable that breakpoint.
BreakpointIDList valid_bp_ids;
CommandObjectMultiwordBreakpoint::VerifyBreakpointOrLocationIDs (command, target, result, &valid_bp_ids);
if (result.Succeeded())
{
int enable_count = 0;
int loc_count = 0;
const size_t count = valid_bp_ids.GetSize();
for (size_t i = 0; i < count; ++i)
{
BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i);
if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID)
{
Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get();
if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID)
{
BreakpointLocation *location = breakpoint->FindLocationByID (cur_bp_id.GetLocationID()).get();
if (location)
{
location->SetEnabled (true);
++loc_count;
}
}
else
{
breakpoint->SetEnabled (true);
++enable_count;
}
}
}
result.AppendMessageWithFormat ("%d breakpoints enabled.\n", enable_count + loc_count);
result.SetStatus (eReturnStatusSuccessFinishNoResult);
}
}
return result.Succeeded();
}
};
//-------------------------------------------------------------------------
// CommandObjectBreakpointDisable
//-------------------------------------------------------------------------
#pragma mark Disable
class CommandObjectBreakpointDisable : public CommandObjectParsed
{
public:
CommandObjectBreakpointDisable (CommandInterpreter &interpreter) :
CommandObjectParsed (interpreter,
"breakpoint disable",
"Disable the specified breakpoint(s) without removing them. If none are specified, disable all breakpoints.",
NULL)
{
SetHelpLong(
"Disable the specified breakpoint(s) without removing them. \
If none are specified, disable all breakpoints." R"(
)" "Note: disabling a breakpoint will cause none of its locations to be hit \
regardless of whether they are enabled or disabled. After the sequence:" R"(
(lldb) break disable 1
(lldb) break enable 1.1
execution will NOT stop at location 1.1. To achieve that, type:
(lldb) break disable 1.*
(lldb) break enable 1.1
)" "The first command disables all the locations of breakpoint 1, \
the second re-enables the first location."
);
CommandArgumentEntry arg;
CommandObject::AddIDsArgumentData(arg, eArgTypeBreakpointID, eArgTypeBreakpointIDRange);
// Add the entry for the first argument for this command to the object's arguments vector.
m_arguments.push_back (arg);
}
virtual
~CommandObjectBreakpointDisable () {}
protected:
virtual bool
DoExecute (Args& command, CommandReturnObject &result)
{
Target *target = GetSelectedOrDummyTarget();
if (target == NULL)
{
result.AppendError ("Invalid target. No existing target or breakpoints.");
result.SetStatus (eReturnStatusFailed);
return false;
}
Mutex::Locker locker;
target->GetBreakpointList().GetListMutex(locker);
const BreakpointList &breakpoints = target->GetBreakpointList();
size_t num_breakpoints = breakpoints.GetSize();
if (num_breakpoints == 0)
{
result.AppendError ("No breakpoints exist to be disabled.");
result.SetStatus (eReturnStatusFailed);
return false;
}
if (command.GetArgumentCount() == 0)
{
// No breakpoint selected; disable all currently set breakpoints.
target->DisableAllBreakpoints ();
result.AppendMessageWithFormat ("All breakpoints disabled. (%" PRIu64 " breakpoints)\n", (uint64_t)num_breakpoints);
result.SetStatus (eReturnStatusSuccessFinishNoResult);
}
else
{
// Particular breakpoint selected; disable that breakpoint.
BreakpointIDList valid_bp_ids;
CommandObjectMultiwordBreakpoint::VerifyBreakpointOrLocationIDs (command, target, result, &valid_bp_ids);
if (result.Succeeded())
{
int disable_count = 0;
int loc_count = 0;
const size_t count = valid_bp_ids.GetSize();
for (size_t i = 0; i < count; ++i)
{
BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i);
if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID)
{
Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get();
if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID)
{
BreakpointLocation *location = breakpoint->FindLocationByID (cur_bp_id.GetLocationID()).get();
if (location)
{
location->SetEnabled (false);
++loc_count;
}
}
else
{
breakpoint->SetEnabled (false);
++disable_count;
}
}
}
result.AppendMessageWithFormat ("%d breakpoints disabled.\n", disable_count + loc_count);
result.SetStatus (eReturnStatusSuccessFinishNoResult);
}
}
return result.Succeeded();
}
};
//-------------------------------------------------------------------------
// CommandObjectBreakpointList
//-------------------------------------------------------------------------
#pragma mark List
class CommandObjectBreakpointList : public CommandObjectParsed
{
public:
CommandObjectBreakpointList (CommandInterpreter &interpreter) :
CommandObjectParsed (interpreter,
"breakpoint list",
"List some or all breakpoints at configurable levels of detail.",
NULL),
m_options (interpreter)
{
CommandArgumentEntry arg;
CommandArgumentData bp_id_arg;
// Define the first (and only) variant of this arg.
bp_id_arg.arg_type = eArgTypeBreakpointID;
bp_id_arg.arg_repetition = eArgRepeatOptional;
// There is only one variant this argument could be; put it into the argument entry.
arg.push_back (bp_id_arg);
// Push the data for the first argument into the m_arguments vector.
m_arguments.push_back (arg);
}
virtual
~CommandObjectBreakpointList () {}
virtual Options *
GetOptions ()
{
return &m_options;
}
class CommandOptions : public Options
{
public:
CommandOptions (CommandInterpreter &interpreter) :
Options (interpreter),
m_level (lldb::eDescriptionLevelBrief),
m_use_dummy(false)
{
}
virtual
~CommandOptions () {}
virtual Error
SetOptionValue (uint32_t option_idx, const char *option_arg)
{
Error error;
const int short_option = m_getopt_table[option_idx].val;
switch (short_option)
{
case 'b':
m_level = lldb::eDescriptionLevelBrief;
break;
case 'D':
m_use_dummy = true;
break;
case 'f':
m_level = lldb::eDescriptionLevelFull;
break;
case 'v':
m_level = lldb::eDescriptionLevelVerbose;
break;
case 'i':
m_internal = true;
break;
default:
error.SetErrorStringWithFormat ("unrecognized option '%c'", short_option);
break;
}
return error;
}
void
OptionParsingStarting ()
{
m_level = lldb::eDescriptionLevelFull;
m_internal = false;
m_use_dummy = false;
}
const OptionDefinition *
GetDefinitions ()
{
return g_option_table;
}
// Options table: Required for subclasses of Options.
static OptionDefinition g_option_table[];
// Instance variables to hold the values for command options.
lldb::DescriptionLevel m_level;
bool m_internal;
bool m_use_dummy;
};
protected:
virtual bool
DoExecute (Args& command, CommandReturnObject &result)
{
Target *target = GetSelectedOrDummyTarget(m_options.m_use_dummy);
if (target == NULL)
{
result.AppendError ("Invalid target. No current target or breakpoints.");
result.SetStatus (eReturnStatusSuccessFinishNoResult);
return true;
}
const BreakpointList &breakpoints = target->GetBreakpointList(m_options.m_internal);
Mutex::Locker locker;
target->GetBreakpointList(m_options.m_internal).GetListMutex(locker);
size_t num_breakpoints = breakpoints.GetSize();
if (num_breakpoints == 0)
{
result.AppendMessage ("No breakpoints currently set.");
result.SetStatus (eReturnStatusSuccessFinishNoResult);
return true;
}
Stream &output_stream = result.GetOutputStream();
if (command.GetArgumentCount() == 0)
{
// No breakpoint selected; show info about all currently set breakpoints.
result.AppendMessage ("Current breakpoints:");
for (size_t i = 0; i < num_breakpoints; ++i)
{
Breakpoint *breakpoint = breakpoints.GetBreakpointAtIndex (i).get();
AddBreakpointDescription (&output_stream, breakpoint, m_options.m_level);
}
result.SetStatus (eReturnStatusSuccessFinishNoResult);
}
else
{
// Particular breakpoints selected; show info about that breakpoint.
BreakpointIDList valid_bp_ids;
CommandObjectMultiwordBreakpoint::VerifyBreakpointOrLocationIDs (command, target, result, &valid_bp_ids);
if (result.Succeeded())
{
for (size_t i = 0; i < valid_bp_ids.GetSize(); ++i)
{
BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i);
Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get();
AddBreakpointDescription (&output_stream, breakpoint, m_options.m_level);
}
result.SetStatus (eReturnStatusSuccessFinishNoResult);
}
else
{
result.AppendError ("Invalid breakpoint id.");
result.SetStatus (eReturnStatusFailed);
}
}
return result.Succeeded();
}
private:
CommandOptions m_options;
};
#pragma mark List::CommandOptions
OptionDefinition
CommandObjectBreakpointList::CommandOptions::g_option_table[] =
{
{ LLDB_OPT_SET_ALL, false, "internal", 'i', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone,
"Show debugger internal breakpoints" },
{ LLDB_OPT_SET_1, false, "brief", 'b', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone,
"Give a brief description of the breakpoint (no location info)."},
// FIXME: We need to add an "internal" command, and then add this sort of thing to it.
// But I need to see it for now, and don't want to wait.
{ LLDB_OPT_SET_2, false, "full", 'f', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone,
"Give a full description of the breakpoint and its locations."},
{ LLDB_OPT_SET_3, false, "verbose", 'v', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone,
"Explain everything we know about the breakpoint (for debugging debugger bugs)." },
{ LLDB_OPT_SET_ALL, false, "dummy-breakpoints", 'D', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone,
"List Dummy breakpoints - i.e. breakpoints set before a file is provided, which prime new targets."},
{ 0, false, NULL, 0, 0, NULL, NULL, 0, eArgTypeNone, NULL }
};
//-------------------------------------------------------------------------
// CommandObjectBreakpointClear
//-------------------------------------------------------------------------
#pragma mark Clear
class CommandObjectBreakpointClear : public CommandObjectParsed
{
public:
typedef enum BreakpointClearType
{
eClearTypeInvalid,
eClearTypeFileAndLine
} BreakpointClearType;
CommandObjectBreakpointClear (CommandInterpreter &interpreter) :
CommandObjectParsed (interpreter,
"breakpoint clear",
"Clears a breakpoint or set of breakpoints in the executable.",
"breakpoint clear <cmd-options>"),
m_options (interpreter)
{
}
virtual
~CommandObjectBreakpointClear () {}
virtual Options *
GetOptions ()
{
return &m_options;
}
class CommandOptions : public Options
{
public:
CommandOptions (CommandInterpreter &interpreter) :
Options (interpreter),
m_filename (),
m_line_num (0)
{
}
virtual
~CommandOptions () {}
virtual Error
SetOptionValue (uint32_t option_idx, const char *option_arg)
{
Error error;
const int short_option = m_getopt_table[option_idx].val;
switch (short_option)
{
case 'f':
m_filename.assign (option_arg);
break;
case 'l':
m_line_num = StringConvert::ToUInt32 (option_arg, 0);
break;
default:
error.SetErrorStringWithFormat ("unrecognized option '%c'", short_option);
break;
}
return error;
}
void
OptionParsingStarting ()
{
m_filename.clear();
m_line_num = 0;
}
const OptionDefinition*
GetDefinitions ()
{
return g_option_table;
}
// Options table: Required for subclasses of Options.
static OptionDefinition g_option_table[];
// Instance variables to hold the values for command options.
std::string m_filename;
uint32_t m_line_num;
};
protected:
virtual bool
DoExecute (Args& command, CommandReturnObject &result)
{
Target *target = GetSelectedOrDummyTarget();
if (target == NULL)
{
result.AppendError ("Invalid target. No existing target or breakpoints.");
result.SetStatus (eReturnStatusFailed);
return false;
}
// The following are the various types of breakpoints that could be cleared:
// 1). -f -l (clearing breakpoint by source location)
BreakpointClearType break_type = eClearTypeInvalid;
if (m_options.m_line_num != 0)
break_type = eClearTypeFileAndLine;
Mutex::Locker locker;
target->GetBreakpointList().GetListMutex(locker);
BreakpointList &breakpoints = target->GetBreakpointList();
size_t num_breakpoints = breakpoints.GetSize();
// Early return if there's no breakpoint at all.
if (num_breakpoints == 0)
{
result.AppendError ("Breakpoint clear: No breakpoint cleared.");
result.SetStatus (eReturnStatusFailed);
return result.Succeeded();
}
// Find matching breakpoints and delete them.
// First create a copy of all the IDs.
std::vector<break_id_t> BreakIDs;
for (size_t i = 0; i < num_breakpoints; ++i)
BreakIDs.push_back(breakpoints.GetBreakpointAtIndex(i).get()->GetID());
int num_cleared = 0;
StreamString ss;
switch (break_type)
{
case eClearTypeFileAndLine: // Breakpoint by source position
{
const ConstString filename(m_options.m_filename.c_str());
BreakpointLocationCollection loc_coll;
for (size_t i = 0; i < num_breakpoints; ++i)
{
Breakpoint *bp = breakpoints.FindBreakpointByID(BreakIDs[i]).get();
if (bp->GetMatchingFileLine(filename, m_options.m_line_num, loc_coll))
{
// If the collection size is 0, it's a full match and we can just remove the breakpoint.
if (loc_coll.GetSize() == 0)
{
bp->GetDescription(&ss, lldb::eDescriptionLevelBrief);
ss.EOL();
target->RemoveBreakpointByID (bp->GetID());
++num_cleared;
}
}
}
}
break;
default:
break;
}
if (num_cleared > 0)
{
Stream &output_stream = result.GetOutputStream();
output_stream.Printf ("%d breakpoints cleared:\n", num_cleared);
output_stream << ss.GetData();
output_stream.EOL();
result.SetStatus (eReturnStatusSuccessFinishNoResult);
}
else
{
result.AppendError ("Breakpoint clear: No breakpoint cleared.");
result.SetStatus (eReturnStatusFailed);
}
return result.Succeeded();
}
private:
CommandOptions m_options;
};
#pragma mark Clear::CommandOptions
OptionDefinition
CommandObjectBreakpointClear::CommandOptions::g_option_table[] =
{
{ LLDB_OPT_SET_1, false, "file", 'f', OptionParser::eRequiredArgument, NULL, NULL, CommandCompletions::eSourceFileCompletion, eArgTypeFilename,
"Specify the breakpoint by source location in this particular file."},
{ LLDB_OPT_SET_1, true, "line", 'l', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeLineNum,
"Specify the breakpoint by source location at this particular line."},
{ 0, false, NULL, 0, 0, NULL, NULL, 0, eArgTypeNone, NULL }
};
//-------------------------------------------------------------------------
// CommandObjectBreakpointDelete
//-------------------------------------------------------------------------
#pragma mark Delete
class CommandObjectBreakpointDelete : public CommandObjectParsed
{
public:
CommandObjectBreakpointDelete (CommandInterpreter &interpreter) :
CommandObjectParsed (interpreter,
"breakpoint delete",
"Delete the specified breakpoint(s). If no breakpoints are specified, delete them all.",
NULL),
m_options (interpreter)
{
CommandArgumentEntry arg;
CommandObject::AddIDsArgumentData(arg, eArgTypeBreakpointID, eArgTypeBreakpointIDRange);
// Add the entry for the first argument for this command to the object's arguments vector.
m_arguments.push_back (arg);
}
virtual
~CommandObjectBreakpointDelete () {}
virtual Options *
GetOptions ()
{
return &m_options;
}
class CommandOptions : public Options
{
public:
CommandOptions (CommandInterpreter &interpreter) :
Options (interpreter),
m_use_dummy (false),
m_force (false)
{
}
virtual
~CommandOptions () {}
virtual Error
SetOptionValue (uint32_t option_idx, const char *option_arg)
{
Error error;
const int short_option = m_getopt_table[option_idx].val;
switch (short_option)
{
case 'f':
m_force = true;
break;
case 'D':
m_use_dummy = true;
break;
default:
error.SetErrorStringWithFormat ("unrecognized option '%c'", short_option);
break;
}
return error;
}
void
OptionParsingStarting ()
{
m_use_dummy = false;
m_force = false;
}
const OptionDefinition*
GetDefinitions ()
{
return g_option_table;
}
// Options table: Required for subclasses of Options.
static OptionDefinition g_option_table[];
// Instance variables to hold the values for command options.
bool m_use_dummy;
bool m_force;
};
protected:
virtual bool
DoExecute (Args& command, CommandReturnObject &result)
{
Target *target = GetSelectedOrDummyTarget(m_options.m_use_dummy);
if (target == NULL)
{
result.AppendError ("Invalid target. No existing target or breakpoints.");
result.SetStatus (eReturnStatusFailed);
return false;
}
Mutex::Locker locker;
target->GetBreakpointList().GetListMutex(locker);
const BreakpointList &breakpoints = target->GetBreakpointList();
size_t num_breakpoints = breakpoints.GetSize();
if (num_breakpoints == 0)
{
result.AppendError ("No breakpoints exist to be deleted.");
result.SetStatus (eReturnStatusFailed);
return false;
}
if (command.GetArgumentCount() == 0)
{
if (!m_options.m_force && !m_interpreter.Confirm ("About to delete all breakpoints, do you want to do that?", true))
{
result.AppendMessage("Operation cancelled...");
}
else
{
target->RemoveAllBreakpoints ();
result.AppendMessageWithFormat ("All breakpoints removed. (%" PRIu64 " breakpoint%s)\n", (uint64_t)num_breakpoints, num_breakpoints > 1 ? "s" : "");
}
result.SetStatus (eReturnStatusSuccessFinishNoResult);
}
else
{
// Particular breakpoint selected; disable that breakpoint.
BreakpointIDList valid_bp_ids;
CommandObjectMultiwordBreakpoint::VerifyBreakpointOrLocationIDs (command, target, result, &valid_bp_ids);
if (result.Succeeded())
{
int delete_count = 0;
int disable_count = 0;
const size_t count = valid_bp_ids.GetSize();
for (size_t i = 0; i < count; ++i)
{
BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i);
if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID)
{
if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID)
{
Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get();
BreakpointLocation *location = breakpoint->FindLocationByID (cur_bp_id.GetLocationID()).get();
// It makes no sense to try to delete individual locations, so we disable them instead.
if (location)
{
location->SetEnabled (false);
++disable_count;
}
}
else
{
target->RemoveBreakpointByID (cur_bp_id.GetBreakpointID());
++delete_count;
}
}
}
result.AppendMessageWithFormat ("%d breakpoints deleted; %d breakpoint locations disabled.\n",
delete_count, disable_count);
result.SetStatus (eReturnStatusSuccessFinishNoResult);
}
}
return result.Succeeded();
}
private:
CommandOptions m_options;
};
OptionDefinition
CommandObjectBreakpointDelete::CommandOptions::g_option_table[] =
{
{ LLDB_OPT_SET_1, false, "force", 'f', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone,
"Delete all breakpoints without querying for confirmation."},
{ LLDB_OPT_SET_1, false, "dummy-breakpoints", 'D', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone,
"Delete Dummy breakpoints - i.e. breakpoints set before a file is provided, which prime new targets."},
{ 0, false, NULL, 0, 0, NULL, NULL, 0, eArgTypeNone, NULL }
};
//-------------------------------------------------------------------------
// CommandObjectBreakpointName
//-------------------------------------------------------------------------
static OptionDefinition
g_breakpoint_name_options[] =
{
{ LLDB_OPT_SET_1, false, "name", 'N', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeBreakpointName, "Specifies a breakpoint name to use."},
{ LLDB_OPT_SET_2, false, "breakpoint-id", 'B', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeBreakpointID, "Specify a breakpoint id to use."},
{ LLDB_OPT_SET_ALL, false, "dummy-breakpoints", 'D', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone,
"Operate on Dummy breakpoints - i.e. breakpoints set before a file is provided, which prime new targets."},
};
class BreakpointNameOptionGroup : public OptionGroup
{
public:
BreakpointNameOptionGroup() :
OptionGroup(),
m_breakpoint(LLDB_INVALID_BREAK_ID),
m_use_dummy (false)
{
}
virtual
~BreakpointNameOptionGroup ()
{
}
virtual uint32_t
GetNumDefinitions ()
{
return sizeof (g_breakpoint_name_options) / sizeof (OptionDefinition);
}
virtual const OptionDefinition*
GetDefinitions ()
{
return g_breakpoint_name_options;
}
virtual Error
SetOptionValue (CommandInterpreter &interpreter,
uint32_t option_idx,
const char *option_value)
{
Error error;
const int short_option = g_breakpoint_name_options[option_idx].short_option;
switch (short_option)
{
case 'N':
if (BreakpointID::StringIsBreakpointName(option_value, error) && error.Success())
m_name.SetValueFromString(option_value);
break;
case 'B':
if (m_breakpoint.SetValueFromString(option_value).Fail())
error.SetErrorStringWithFormat ("unrecognized value \"%s\" for breakpoint", option_value);
break;
case 'D':
if (m_use_dummy.SetValueFromString(option_value).Fail())
error.SetErrorStringWithFormat ("unrecognized value \"%s\" for use-dummy", option_value);
break;
default:
error.SetErrorStringWithFormat("unrecognized short option '%c'", short_option);
break;
}
return error;
}
virtual void
OptionParsingStarting (CommandInterpreter &interpreter)
{
m_name.Clear();
m_breakpoint.Clear();
m_use_dummy.Clear();
m_use_dummy.SetDefaultValue(false);
}
OptionValueString m_name;
OptionValueUInt64 m_breakpoint;
OptionValueBoolean m_use_dummy;
};
class CommandObjectBreakpointNameAdd : public CommandObjectParsed
{
public:
CommandObjectBreakpointNameAdd (CommandInterpreter &interpreter) :
CommandObjectParsed (interpreter,
"add",
"Add a name to the breakpoints provided.",
"breakpoint name add <command-options> <breakpoint-id-list>"),
m_name_options(),
m_option_group(interpreter)
{
// Create the first variant for the first (and only) argument for this command.
CommandArgumentEntry arg1;
CommandArgumentData id_arg;
id_arg.arg_type = eArgTypeBreakpointID;
id_arg.arg_repetition = eArgRepeatOptional;
arg1.push_back(id_arg);
m_arguments.push_back (arg1);
m_option_group.Append (&m_name_options, LLDB_OPT_SET_1, LLDB_OPT_SET_ALL);
m_option_group.Finalize();
}
virtual
~CommandObjectBreakpointNameAdd () {}
Options *
GetOptions ()
{
return &m_option_group;
}
protected:
virtual bool
DoExecute (Args& command, CommandReturnObject &result)
{
if (!m_name_options.m_name.OptionWasSet())
{
result.SetError("No name option provided.");
return false;
}
Target *target = GetSelectedOrDummyTarget(m_name_options.m_use_dummy.GetCurrentValue());
if (target == NULL)
{
result.AppendError ("Invalid target. No existing target or breakpoints.");
result.SetStatus (eReturnStatusFailed);
return false;
}
Mutex::Locker locker;
target->GetBreakpointList().GetListMutex(locker);
const BreakpointList &breakpoints = target->GetBreakpointList();
size_t num_breakpoints = breakpoints.GetSize();
if (num_breakpoints == 0)
{
result.SetError("No breakpoints, cannot add names.");
result.SetStatus (eReturnStatusFailed);
return false;
}
// Particular breakpoint selected; disable that breakpoint.
BreakpointIDList valid_bp_ids;
CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (command, target, result, &valid_bp_ids);
if (result.Succeeded())
{
if (valid_bp_ids.GetSize() == 0)
{
result.SetError("No breakpoints specified, cannot add names.");
result.SetStatus (eReturnStatusFailed);
return false;
}
size_t num_valid_ids = valid_bp_ids.GetSize();
for (size_t index = 0; index < num_valid_ids; index++)
{
lldb::break_id_t bp_id = valid_bp_ids.GetBreakpointIDAtIndex(index).GetBreakpointID();
BreakpointSP bp_sp = breakpoints.FindBreakpointByID(bp_id);
Error error; // We don't need to check the error here, since the option parser checked it...
bp_sp->AddName(m_name_options.m_name.GetCurrentValue(), error);
}
}
return true;
}
private:
BreakpointNameOptionGroup m_name_options;
OptionGroupOptions m_option_group;
};
class CommandObjectBreakpointNameDelete : public CommandObjectParsed
{
public:
CommandObjectBreakpointNameDelete (CommandInterpreter &interpreter) :
CommandObjectParsed (interpreter,
"delete",
"Delete a name from the breakpoints provided.",
"breakpoint name delete <command-options> <breakpoint-id-list>"),
m_name_options(),
m_option_group(interpreter)
{
// Create the first variant for the first (and only) argument for this command.
CommandArgumentEntry arg1;
CommandArgumentData id_arg;
id_arg.arg_type = eArgTypeBreakpointID;
id_arg.arg_repetition = eArgRepeatOptional;
arg1.push_back(id_arg);
m_arguments.push_back (arg1);
m_option_group.Append (&m_name_options, LLDB_OPT_SET_1, LLDB_OPT_SET_ALL);
m_option_group.Finalize();
}
virtual
~CommandObjectBreakpointNameDelete () {}
Options *
GetOptions ()
{
return &m_option_group;
}
protected:
virtual bool
DoExecute (Args& command, CommandReturnObject &result)
{
if (!m_name_options.m_name.OptionWasSet())
{
result.SetError("No name option provided.");
return false;
}
Target *target = GetSelectedOrDummyTarget(m_name_options.m_use_dummy.GetCurrentValue());
if (target == NULL)
{
result.AppendError ("Invalid target. No existing target or breakpoints.");
result.SetStatus (eReturnStatusFailed);
return false;
}
Mutex::Locker locker;
target->GetBreakpointList().GetListMutex(locker);
const BreakpointList &breakpoints = target->GetBreakpointList();
size_t num_breakpoints = breakpoints.GetSize();
if (num_breakpoints == 0)
{
result.SetError("No breakpoints, cannot delete names.");
result.SetStatus (eReturnStatusFailed);
return false;
}
// Particular breakpoint selected; disable that breakpoint.
BreakpointIDList valid_bp_ids;
CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (command, target, result, &valid_bp_ids);
if (result.Succeeded())
{
if (valid_bp_ids.GetSize() == 0)
{
result.SetError("No breakpoints specified, cannot delete names.");
result.SetStatus (eReturnStatusFailed);
return false;
}
size_t num_valid_ids = valid_bp_ids.GetSize();
for (size_t index = 0; index < num_valid_ids; index++)
{
lldb::break_id_t bp_id = valid_bp_ids.GetBreakpointIDAtIndex(index).GetBreakpointID();
BreakpointSP bp_sp = breakpoints.FindBreakpointByID(bp_id);
bp_sp->RemoveName(m_name_options.m_name.GetCurrentValue());
}
}
return true;
}
private:
BreakpointNameOptionGroup m_name_options;
OptionGroupOptions m_option_group;
};
class CommandObjectBreakpointNameList : public CommandObjectParsed
{
public:
CommandObjectBreakpointNameList (CommandInterpreter &interpreter) :
CommandObjectParsed (interpreter,
"list",
"List either the names for a breakpoint or the breakpoints for a given name.",
"breakpoint name list <command-options>"),
m_name_options(),
m_option_group(interpreter)
{
m_option_group.Append (&m_name_options);
m_option_group.Finalize();
}
virtual
~CommandObjectBreakpointNameList () {}
Options *
GetOptions ()
{
return &m_option_group;
}
protected:
virtual bool
DoExecute (Args& command, CommandReturnObject &result)
{
Target *target = GetSelectedOrDummyTarget(m_name_options.m_use_dummy.GetCurrentValue());
if (target == NULL)
{
result.AppendError ("Invalid target. No existing target or breakpoints.");
result.SetStatus (eReturnStatusFailed);
return false;
}
if (m_name_options.m_name.OptionWasSet())
{
const char *name = m_name_options.m_name.GetCurrentValue();
Mutex::Locker locker;
target->GetBreakpointList().GetListMutex(locker);
BreakpointList &breakpoints = target->GetBreakpointList();
for (BreakpointSP bp_sp : breakpoints.Breakpoints())
{
if (bp_sp->MatchesName(name))
{
StreamString s;
bp_sp->GetDescription(&s, eDescriptionLevelBrief);
s.EOL();
result.AppendMessage(s.GetData());
}
}
}
else if (m_name_options.m_breakpoint.OptionWasSet())
{
BreakpointSP bp_sp = target->GetBreakpointList().FindBreakpointByID(m_name_options.m_breakpoint.GetCurrentValue());
if (bp_sp)
{
std::vector<std::string> names;
bp_sp->GetNames (names);
result.AppendMessage ("Names:");
for (auto name : names)
result.AppendMessageWithFormat (" %s\n", name.c_str());
}
else
{
result.AppendErrorWithFormat ("Could not find breakpoint %" PRId64 ".\n",
m_name_options.m_breakpoint.GetCurrentValue());
result.SetStatus (eReturnStatusFailed);
return false;
}
}
else
{
result.SetError ("Must specify -N or -B option to list.");
result.SetStatus (eReturnStatusFailed);
return false;
}
return true;
}
private:
BreakpointNameOptionGroup m_name_options;
OptionGroupOptions m_option_group;
};
//-------------------------------------------------------------------------
// CommandObjectMultiwordBreakpoint
//-------------------------------------------------------------------------
class CommandObjectBreakpointName : public CommandObjectMultiword
{
public:
CommandObjectBreakpointName (CommandInterpreter &interpreter) :
CommandObjectMultiword(interpreter,
"name",
"A set of commands to manage name tags for breakpoints",
"breakpoint name <command> [<command-options>]")
{
CommandObjectSP add_command_object (new CommandObjectBreakpointNameAdd (interpreter));
CommandObjectSP delete_command_object (new CommandObjectBreakpointNameDelete (interpreter));
CommandObjectSP list_command_object (new CommandObjectBreakpointNameList (interpreter));
LoadSubCommand ("add", add_command_object);
LoadSubCommand ("delete", delete_command_object);
LoadSubCommand ("list", list_command_object);
}
virtual
~CommandObjectBreakpointName ()
{
}
};
//-------------------------------------------------------------------------
// CommandObjectMultiwordBreakpoint
//-------------------------------------------------------------------------
#pragma mark MultiwordBreakpoint
CommandObjectMultiwordBreakpoint::CommandObjectMultiwordBreakpoint (CommandInterpreter &interpreter) :
CommandObjectMultiword (interpreter,
"breakpoint",
"A set of commands for operating on breakpoints. Also see _regexp-break.",
"breakpoint <command> [<command-options>]")
{
CommandObjectSP list_command_object (new CommandObjectBreakpointList (interpreter));
CommandObjectSP enable_command_object (new CommandObjectBreakpointEnable (interpreter));
CommandObjectSP disable_command_object (new CommandObjectBreakpointDisable (interpreter));
CommandObjectSP clear_command_object (new CommandObjectBreakpointClear (interpreter));
CommandObjectSP delete_command_object (new CommandObjectBreakpointDelete (interpreter));
CommandObjectSP set_command_object (new CommandObjectBreakpointSet (interpreter));
CommandObjectSP command_command_object (new CommandObjectBreakpointCommand (interpreter));
CommandObjectSP modify_command_object (new CommandObjectBreakpointModify(interpreter));
CommandObjectSP name_command_object (new CommandObjectBreakpointName(interpreter));
list_command_object->SetCommandName ("breakpoint list");
enable_command_object->SetCommandName("breakpoint enable");
disable_command_object->SetCommandName("breakpoint disable");
clear_command_object->SetCommandName("breakpoint clear");
delete_command_object->SetCommandName("breakpoint delete");
set_command_object->SetCommandName("breakpoint set");
command_command_object->SetCommandName ("breakpoint command");
modify_command_object->SetCommandName ("breakpoint modify");
name_command_object->SetCommandName ("breakpoint name");
LoadSubCommand ("list", list_command_object);
LoadSubCommand ("enable", enable_command_object);
LoadSubCommand ("disable", disable_command_object);
LoadSubCommand ("clear", clear_command_object);
LoadSubCommand ("delete", delete_command_object);
LoadSubCommand ("set", set_command_object);
LoadSubCommand ("command", command_command_object);
LoadSubCommand ("modify", modify_command_object);
LoadSubCommand ("name", name_command_object);
}
CommandObjectMultiwordBreakpoint::~CommandObjectMultiwordBreakpoint ()
{
}
void
CommandObjectMultiwordBreakpoint::VerifyIDs (Args &args,
Target *target,
bool allow_locations,
CommandReturnObject &result,
BreakpointIDList *valid_ids)
{
// args can be strings representing 1). integers (for breakpoint ids)
// 2). the full breakpoint & location canonical representation
// 3). the word "to" or a hyphen, representing a range (in which case there
// had *better* be an entry both before & after of one of the first two types.
// 4). A breakpoint name
// If args is empty, we will use the last created breakpoint (if there is one.)
Args temp_args;
if (args.GetArgumentCount() == 0)
{
if (target->GetLastCreatedBreakpoint())
{
valid_ids->AddBreakpointID (BreakpointID(target->GetLastCreatedBreakpoint()->GetID(), LLDB_INVALID_BREAK_ID));
result.SetStatus (eReturnStatusSuccessFinishNoResult);
}
else
{
result.AppendError("No breakpoint specified and no last created breakpoint.");
result.SetStatus (eReturnStatusFailed);
}
return;
}
// Create a new Args variable to use; copy any non-breakpoint-id-ranges stuff directly from the old ARGS to
// the new TEMP_ARGS. Do not copy breakpoint id range strings over; instead generate a list of strings for
// all the breakpoint ids in the range, and shove all of those breakpoint id strings into TEMP_ARGS.
BreakpointIDList::FindAndReplaceIDRanges (args, target, allow_locations, result, temp_args);
// NOW, convert the list of breakpoint id strings in TEMP_ARGS into an actual BreakpointIDList:
valid_ids->InsertStringArray (temp_args.GetConstArgumentVector(), temp_args.GetArgumentCount(), result);
// At this point, all of the breakpoint ids that the user passed in have been converted to breakpoint IDs
// and put into valid_ids.
if (result.Succeeded())
{
// Now that we've converted everything from args into a list of breakpoint ids, go through our tentative list
// of breakpoint id's and verify that they correspond to valid/currently set breakpoints.
const size_t count = valid_ids->GetSize();
for (size_t i = 0; i < count; ++i)
{
BreakpointID cur_bp_id = valid_ids->GetBreakpointIDAtIndex (i);
Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get();
if (breakpoint != NULL)
{
const size_t num_locations = breakpoint->GetNumLocations();
if (static_cast<size_t>(cur_bp_id.GetLocationID()) > num_locations)
{
StreamString id_str;
BreakpointID::GetCanonicalReference (&id_str,
cur_bp_id.GetBreakpointID(),
cur_bp_id.GetLocationID());
i = valid_ids->GetSize() + 1;
result.AppendErrorWithFormat ("'%s' is not a currently valid breakpoint/location id.\n",
id_str.GetData());
result.SetStatus (eReturnStatusFailed);
}
}
else
{
i = valid_ids->GetSize() + 1;
result.AppendErrorWithFormat ("'%d' is not a currently valid breakpoint id.\n", cur_bp_id.GetBreakpointID());
result.SetStatus (eReturnStatusFailed);
}
}
}
}
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