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<rdar://problem/9141269> 

Cleaned up the objective C name parsing code to use a class.

Now breakpoints that are set by name that are objective C methods without the leading '+' or '-' will resolve. We do this by expanding all the objective C names for a given string. For example:

(lldb) b [MyString cStringUsingEncoding:]

Will set a breakpoint with multiple possible names: 
-[MyString cStringUsingEncoding:]
+[MyString cStringUsingEncoding:]

Also if you have a category, it will strip the category and set a breakpoint in all variants:

(lldb) [MyString(my_category) cStringUsingEncoding:]

Will resolve to the following names:

-[MyString(my_category) cStringUsingEncoding:]
+[MyString(my_category) cStringUsingEncoding:]
-[MyString cStringUsingEncoding:]
+[MyString cStringUsingEncoding:]

Likewise when we have:

(lldb) b -[MyString(my_category) cStringUsingEncoding:]

It will resolve to two names:
-[MyString(my_category) cStringUsingEncoding:]
-[MyString cStringUsingEncoding:]

llvm-svn: 173858
This commit is contained in:
Greg Clayton 2013-01-30 00:18:29 +00:00
parent a4db5d0839
commit 1b3815cbf4
10 changed files with 649 additions and 132 deletions
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16
lldb/include/lldb/Core/RegularExpression.h
View File

@ -17,6 +17,11 @@
#include <string>
#include <vector>
namespace llvm
{
class StringRef;
}
namespace lldb_private {
//----------------------------------------------------------------------
@ -123,11 +128,22 @@ public:
bool
Execute (const char* string, size_t match_count = 0, int execute_flags = 0) const;
bool
ExecuteThreadSafe (const char* s,
llvm::StringRef *matches,
size_t num_matches,
int execute_flags = 0) const;
size_t
GetErrorAsCString (char *err_str, size_t err_str_max_len) const;
bool
GetMatchAtIndex (const char* s, uint32_t idx, std::string& match_str) const;
bool
GetMatchAtIndex (const char* s, uint32_t idx, llvm::StringRef& match_str) const;
bool
GetMatchSpanningIndices (const char* s, uint32_t idx1, uint32_t idx2, llvm::StringRef& match_str) const;
//------------------------------------------------------------------
/// Free the compiled regular expression.
///

46
lldb/include/lldb/Core/Timer.h
View File

@ -11,8 +11,9 @@
#define liblldb_Timer_h_
#if defined(__cplusplus)
#include <memory>
#include <stdio.h>
#include <memory>
#include <string>
#include "lldb/lldb-private.h"
#include "lldb/Host/TimeValue.h"
@ -91,6 +92,49 @@ private:
DISALLOW_COPY_AND_ASSIGN (Timer);
};
class ScopedTimer
{
public:
ScopedTimer() :
m_start (TimeValue::Now())
{
}
uint64_t
GetElapsedNanoSeconds() const
{
return TimeValue::Now() - m_start;
}
protected:
TimeValue m_start;
};
class ScopedTimerAggregator
{
public:
ScopedTimerAggregator(const char *desc) :
m_description (desc),
m_total_nsec()
{
}
~ScopedTimerAggregator()
{
printf ("Total nsec spent in %s is %llu\n", m_description.c_str(), m_total_nsec);
}
void
Aggregate (const ScopedTimer &scoped_timer)
{
m_total_nsec += scoped_timer.GetElapsedNanoSeconds();
}
protected:
std::string m_description;
uint64_t m_total_nsec;
};
} // namespace lldb_private
#endif // #if defined(__cplusplus)

116
lldb/include/lldb/Target/ObjCLanguageRuntime.h
View File

@ -31,7 +31,109 @@ class ObjCLanguageRuntime :
public LanguageRuntime
{
public:
class MethodName
{
public:
enum Type
{
eTypeUnspecified,
eTypeClassMethod,
eTypeInstanceMethod
};
MethodName () :
m_full(),
m_class(),
m_category(),
m_selector(),
m_type (eTypeUnspecified),
m_category_is_valid (false)
{
}
MethodName (const char *name, bool strict) :
m_full(),
m_class(),
m_category(),
m_selector(),
m_type (eTypeUnspecified),
m_category_is_valid (false)
{
SetName (name, strict);
}
void
Clear();
bool
IsValid (bool strict) const
{
// If "strict" is true, the name must have everything specified including
// the leading "+" or "-" on the method name
if (strict && m_type == eTypeUnspecified)
return false;
// Other than that, m_full will only be filled in if the objective C
// name is valid.
return (bool)m_full;
}
bool
HasCategory()
{
return (bool)GetCategory();
}
Type
GetType () const
{
return m_type;
}
const ConstString &
GetFullName () const
{
return m_full;
}
ConstString
GetFullNameWithoutCategory (bool empty_if_no_category);
bool
SetName (const char *name, bool strict);
const ConstString &
GetClassName ();
const ConstString &
GetClassNameWithCategory ();
const ConstString &
GetCategory ();
const ConstString &
GetSelector ();
// Get all possible names for a method. Examples:
// If name is "+[NSString(my_additions) myStringWithCString:]"
// names[0] => "+[NSString(my_additions) myStringWithCString:]"
// names[1] => "+[NSString myStringWithCString:]"
// If name is specified without the leading '+' or '-' like "[NSString(my_additions) myStringWithCString:]"
// names[0] => "+[NSString(my_additions) myStringWithCString:]"
// names[1] => "-[NSString(my_additions) myStringWithCString:]"
// names[2] => "+[NSString myStringWithCString:]"
// names[3] => "-[NSString myStringWithCString:]"
size_t
GetFullNames (std::vector<ConstString> &names, bool append);
protected:
ConstString m_full; // Full name: "+[NSString(my_additions) myStringWithCString:]"
ConstString m_class; // Class name: "NSString"
ConstString m_class_category; // Class with category: "NSString(my_additions)"
ConstString m_category; // Category: "my_additions"
ConstString m_selector; // Selector: "myStringWithCString:"
Type m_type;
bool m_category_is_valid;
};
typedef lldb::addr_t ObjCISA;
class ClassDescriptor;
@ -351,12 +453,12 @@ public:
/// Returns the number of strings that were successfully filled
/// in.
//------------------------------------------------------------------
static uint32_t
ParseMethodName (const char *name,
ConstString *class_name, // Class name (with category if there is one)
ConstString *selector_name, // selector only
ConstString *name_sans_category, // full function name with no category (empty if no category)
ConstString *class_name_sans_category);// Class name without category (empty if no category)
// static uint32_t
// ParseMethodName (const char *name,
// ConstString *class_name, // Class name (with category if there is one)
// ConstString *selector_name, // selector only
// ConstString *name_sans_category, // full function name with no category (empty if no category)
// ConstString *class_name_sans_category);// Class name without category (empty if no category)
static bool
IsPossibleObjCMethodName (const char *name)

23
lldb/source/Breakpoint/BreakpointResolverName.cpp
View File

@ -22,6 +22,7 @@
#include "lldb/Symbol/Function.h"
#include "lldb/Symbol/Symbol.h"
#include "lldb/Symbol/SymbolContext.h"
#include "lldb/Target/ObjCLanguageRuntime.h"
using namespace lldb;
using namespace lldb_private;
@ -54,7 +55,12 @@ BreakpointResolverName::BreakpointResolverName
}
else
{
m_func_names.push_back(ConstString(func_name));
const bool append = true;
ObjCLanguageRuntime::MethodName objc_name(func_name, false);
if (objc_name.IsValid(false))
objc_name.GetFullNames(m_func_names, append);
else
m_func_names.push_back(ConstString(func_name));
}
}
@ -68,9 +74,14 @@ BreakpointResolverName::BreakpointResolverName (Breakpoint *bkpt,
m_match_type (Breakpoint::Exact),
m_skip_prologue (skip_prologue)
{
const bool append = true;
for (size_t i = 0; i < num_names; i++)
{
m_func_names.push_back (ConstString (names[i]));
ObjCLanguageRuntime::MethodName objc_name(names[i], false);
if (objc_name.IsValid(false))
objc_name.GetFullNames(m_func_names, append);
else
m_func_names.push_back (ConstString (names[i]));
}
}
@ -84,10 +95,14 @@ BreakpointResolverName::BreakpointResolverName (Breakpoint *bkpt,
m_skip_prologue (skip_prologue)
{
size_t num_names = names.size();
const bool append = true;
for (size_t i = 0; i < num_names; i++)
{
m_func_names.push_back (ConstString (names[i].c_str()));
ObjCLanguageRuntime::MethodName objc_name(names[i].c_str(), false);
if (objc_name.IsValid(false))
objc_name.GetFullNames(m_func_names, append);
else
m_func_names.push_back (ConstString (names[i].c_str()));
}
}

69
lldb/source/Core/RegularExpression.cpp
View File

@ -8,6 +8,7 @@
//===----------------------------------------------------------------------===//
#include "lldb/Core/RegularExpression.h"
#include "llvm/ADT/StringRef.h"
#include <string.h>
using namespace lldb_private;
@ -145,6 +146,34 @@ RegularExpression::Execute(const char* s, size_t num_matches, int execute_flags)
return match_result == 0;
}
bool
RegularExpression::ExecuteThreadSafe (const char* s, llvm::StringRef *match_srefs, size_t count, int execute_flags) const
{
bool success = false;
if (m_comp_err == 0)
{
std::vector<regmatch_t> matches;
if (match_srefs && count > 0)
matches.resize(count + 1);
success = ::regexec (&m_preg,
s,
matches.size(),
matches.data(),
execute_flags) == 0;
for (size_t i=0; i<count; ++i)
{
size_t match_idx = i+1;
if (success && matches[match_idx].rm_so < matches[match_idx].rm_eo)
match_srefs[i] = llvm::StringRef(s + matches[match_idx].rm_so, matches[match_idx].rm_eo - matches[match_idx].rm_so);
else
match_srefs[i] = llvm::StringRef();
}
}
return success;
}
bool
RegularExpression::GetMatchAtIndex (const char* s, uint32_t idx, std::string& match_str) const
{
@ -166,6 +195,46 @@ RegularExpression::GetMatchAtIndex (const char* s, uint32_t idx, std::string& ma
return false;
}
bool
RegularExpression::GetMatchAtIndex (const char* s, uint32_t idx, llvm::StringRef& match_str) const
{
if (idx <= m_preg.re_nsub && idx < m_matches.size())
{
if (m_matches[idx].rm_eo == m_matches[idx].rm_so)
{
// Matched the empty string...
match_str = llvm::StringRef();
return true;
}
else if (m_matches[idx].rm_eo > m_matches[idx].rm_so)
{
match_str = llvm::StringRef (s + m_matches[idx].rm_so, m_matches[idx].rm_eo - m_matches[idx].rm_so);
return true;
}
}
return false;
}
bool
RegularExpression::GetMatchSpanningIndices (const char* s, uint32_t idx1, uint32_t idx2, llvm::StringRef& match_str) const
{
if (idx1 <= m_preg.re_nsub && idx1 < m_matches.size() && idx2 <= m_preg.re_nsub && idx2 < m_matches.size())
{
if (m_matches[idx1].rm_so == m_matches[idx2].rm_eo)
{
// Matched the empty string...
match_str = llvm::StringRef();
return true;
}
else if (m_matches[idx1].rm_so < m_matches[idx2].rm_eo)
{
match_str = llvm::StringRef (s + m_matches[idx1].rm_so, m_matches[idx2].rm_eo - m_matches[idx1].rm_so);
return true;
}
}
return false;
}
//----------------------------------------------------------------------
// Returns true if the regular expression compiled and is ready

2
lldb/source/Interpreter/CommandInterpreter.cpp
View File

@ -396,7 +396,7 @@ CommandInterpreter::LoadCommandDictionary ()
const char *break_regexes[][2] = {{"^(.*[^[:space:]])[[:space:]]*:[[:space:]]*([[:digit:]]+)[[:space:]]*$", "breakpoint set --file '%1' --line %2"},
{"^([[:digit:]]+)[[:space:]]*$", "breakpoint set --line %1"},
{"^(0x[[:xdigit:]]+)[[:space:]]*$", "breakpoint set --address %1"},
{"^[\"']?([-+]\\[.*\\])[\"']?[[:space:]]*$", "breakpoint set --name '%1'"},
{"^[\"']?([-+]?\\[.*\\])[\"']?[[:space:]]*$", "breakpoint set --name '%1'"},
{"^(-.*)$", "breakpoint set %1"},
{"^(.*[^[:space:]])`(.*[^[:space:]])[[:space:]]*$", "breakpoint set --name '%2' --shlib '%1'"},
{"^(.*[^[:space:]])[[:space:]]*$", "breakpoint set --name '%1'"}};

36
lldb/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.cpp
View File

@ -764,28 +764,22 @@ DWARFCompileUnit::Index (const uint32_t cu_idx,
{
// Note, this check is also done in ParseMethodName, but since this is a hot loop, we do the
// simple inlined check outside the call.
if (ObjCLanguageRuntime::IsPossibleObjCMethodName(name))
ObjCLanguageRuntime::MethodName objc_method(name, true);
if (objc_method.IsValid(true))
{
ConstString objc_class_name;
ConstString objc_selector_name;
ConstString objc_fullname_no_category_name;
ConstString objc_class_name_no_category;
if (ObjCLanguageRuntime::ParseMethodName (name,
&objc_class_name,
&objc_selector_name,
&objc_fullname_no_category_name,
&objc_class_name_no_category))
{
func_fullnames.Insert (ConstString(name), die.GetOffset());
if (objc_class_name)
objc_class_selectors.Insert(objc_class_name, die.GetOffset());
if (objc_class_name_no_category)
objc_class_selectors.Insert(objc_class_name_no_category, die.GetOffset());
if (objc_selector_name)
func_selectors.Insert (objc_selector_name, die.GetOffset());
if (objc_fullname_no_category_name)
func_fullnames.Insert (objc_fullname_no_category_name, die.GetOffset());
}
ConstString objc_class_name_with_category (objc_method.GetClassNameWithCategory());
ConstString objc_selector_name (objc_method.GetSelector());
ConstString objc_fullname_no_category_name (objc_method.GetFullNameWithoutCategory(true));
ConstString objc_class_name_no_category (objc_method.GetClassName());
func_fullnames.Insert (ConstString(name), die.GetOffset());
if (objc_class_name_with_category)
objc_class_selectors.Insert(objc_class_name_with_category, die.GetOffset());
if (objc_class_name_no_category && objc_class_name_no_category != objc_class_name_with_category)
objc_class_selectors.Insert(objc_class_name_no_category, die.GetOffset());
if (objc_selector_name)
func_selectors.Insert (objc_selector_name, die.GetOffset());
if (objc_fullname_no_category_name)
func_fullnames.Insert (objc_fullname_no_category_name, die.GetOffset());
}
// If we have a mangled name, then the DW_AT_name attribute
// is usually the method name without the class or any parameters

26
lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
View File

@ -1715,22 +1715,14 @@ SymbolFileDWARF::ParseChildMembers
if (prop_getter_name && prop_getter_name[0] == '-')
{
ObjCLanguageRuntime::ParseMethodName (prop_getter_name,
NULL,
&fixed_getter,
NULL,
NULL);
prop_getter_name = fixed_getter.GetCString();
ObjCLanguageRuntime::MethodName prop_getter_method(prop_getter_name, true);
prop_getter_name = prop_getter_method.GetSelector().GetCString();
}
if (prop_setter_name && prop_setter_name[0] == '-')
{
ObjCLanguageRuntime::ParseMethodName (prop_setter_name,
NULL,
&fixed_setter,
NULL,
NULL);
prop_setter_name = fixed_setter.GetCString();
ObjCLanguageRuntime::MethodName prop_setter_method(prop_setter_name, true);
prop_setter_name = prop_setter_method.GetSelector().GetCString();
}
// If the names haven't been provided, they need to be
@ -6281,16 +6273,12 @@ SymbolFileDWARF::ParseType (const SymbolContext& sc, DWARFCompileUnit* dwarf_cu,
bool type_handled = false;
if (tag == DW_TAG_subprogram)
{
ConstString class_name;
ConstString class_name_no_category;
if (ObjCLanguageRuntime::ParseMethodName (type_name_cstr, &class_name, NULL, NULL, &class_name_no_category))
ObjCLanguageRuntime::MethodName objc_method (type_name_cstr, true);
if (objc_method.IsValid(true))
{
// Use the class name with no category if there is one
if (class_name_no_category)
class_name = class_name_no_category;
SymbolContext empty_sc;
clang_type_t class_opaque_type = NULL;
ConstString class_name(objc_method.GetClassName());
if (class_name)
{
TypeList types;

20
lldb/source/Symbol/Symtab.cpp
View File

@ -310,18 +310,18 @@ Symtab::InitNameIndexes()
// If the demangled name turns out to be an ObjC name, and
// is a category name, add the version without categories to the index too.
ConstString objc_selector_name;
ConstString objc_base_name;
if (ObjCLanguageRuntime::ParseMethodName (entry.cstring,
NULL,
&objc_selector_name,
&objc_base_name,
NULL))
ObjCLanguageRuntime::MethodName objc_method (entry.cstring, true);
if (objc_method.IsValid(true))
{
entry.cstring = objc_base_name.GetCString();
m_name_to_index.Append (entry);
entry.cstring = objc_selector_name.GetCString();
entry.cstring = objc_method.GetSelector().GetCString();
m_selector_to_index.Append (entry);
ConstString objc_method_no_category (objc_method.GetFullNameWithoutCategory(true));
if (objc_method_no_category)
{
entry.cstring = objc_method_no_category.GetCString();
m_name_to_index.Append (entry);
}
}
}

427
lldb/source/Target/ObjCLanguageRuntime.cpp
View File

@ -11,6 +11,7 @@
#include "lldb/Core/Log.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/PluginManager.h"
#include "lldb/Core/Timer.h"
#include "lldb/Core/ValueObject.h"
#include "lldb/Symbol/ClangASTContext.h"
#include "lldb/Symbol/Type.h"
@ -18,6 +19,8 @@
#include "lldb/Target/ObjCLanguageRuntime.h"
#include "lldb/Target/Target.h"
#include "llvm/ADT/StringRef.h"
using namespace lldb;
using namespace lldb_private;
@ -131,89 +134,375 @@ ObjCLanguageRuntime::GetByteOffsetForIvar (ClangASTType &parent_qual_type, const
return LLDB_INVALID_IVAR_OFFSET;
}
uint32_t
ObjCLanguageRuntime::ParseMethodName (const char *name,
ConstString *class_name, // Class name (with category if any)
ConstString *selector_name, // selector on its own
ConstString *name_sans_category, // Full function prototype with no category
ConstString *class_name_sans_category)// Class name with no category (or empty if no category as answer will be in "class_name"
void
ObjCLanguageRuntime::MethodName::Clear()
{
if (class_name)
class_name->Clear();
if (selector_name)
selector_name->Clear();
if (name_sans_category)
name_sans_category->Clear();
if (class_name_sans_category)
class_name_sans_category->Clear();
uint32_t result = 0;
m_full.Clear();
m_class.Clear();
m_category.Clear();
m_selector.Clear();
m_type = eTypeUnspecified;
m_category_is_valid = false;
}
if (IsPossibleObjCMethodName (name))
//bool
//ObjCLanguageRuntime::MethodName::SetName (const char *name, bool strict)
//{
// Clear();
// if (name && name[0])
// {
// // If "strict" is true. then the method must be specified with a
// // '+' or '-' at the beginning. If "strict" is false, then the '+'
// // or '-' can be omitted
// bool valid_prefix = false;
//
// if (name[0] == '+' || name[0] == '-')
// {
// valid_prefix = name[1] == '[';
// }
// else if (!strict)
// {
// // "strict" is false, the name just needs to start with '['
// valid_prefix = name[0] == '[';
// }
//
// if (valid_prefix)
// {
// static RegularExpression g_regex("^([-+]?)\\[([A-Za-z_][A-Za-z_0-9]*)(\\([A-Za-z_][A-Za-z_0-9]*\\))? ([A-Za-z_][A-Za-z_0-9:]*)\\]$");
// llvm::StringRef matches[4];
// // Since we are using a global regular expression, we must use the threadsafe version of execute
// if (g_regex.ExecuteThreadSafe(name, matches, 4))
// {
// m_full.SetCString(name);
// if (matches[0].empty())
// m_type = eTypeUnspecified;
// else if (matches[0][0] == '+')
// m_type = eTypeClassMethod;
// else
// m_type = eTypeInstanceMethod;
// m_class.SetString(matches[1]);
// m_selector.SetString(matches[3]);
// if (!matches[2].empty())
// m_category.SetString(matches[2]);
// }
// }
// }
// return IsValid(strict);
//}
bool
ObjCLanguageRuntime::MethodName::SetName (const char *name, bool strict)
{
Clear();
if (name && name[0])
{
int name_len = strlen (name);
// Objective C methods must have at least:
// "-[" or "+[" prefix
// One character for a class name
// One character for the space between the class name
// One character for the method name
// "]" suffix
if (name_len >= 6 && name[name_len - 1] == ']')
// If "strict" is true. then the method must be specified with a
// '+' or '-' at the beginning. If "strict" is false, then the '+'
// or '-' can be omitted
bool valid_prefix = false;
if (name[0] == '+' || name[0] == '-')
{
const char *selector_name_ptr = strchr (name, ' ');
if (selector_name_ptr)
valid_prefix = name[1] == '[';
if (name[0] == '+')
m_type = eTypeClassMethod;
else
m_type = eTypeInstanceMethod;
}
else if (!strict)
{
// "strict" is false, the name just needs to start with '['
valid_prefix = name[0] == '[';
}
if (valid_prefix)
{
int name_len = strlen (name);
// Objective C methods must have at least:
// "-[" or "+[" prefix
// One character for a class name
// One character for the space between the class name
// One character for the method name
// "]" suffix
if (name_len >= (5 + (strict ? 1 : 0)) && name[name_len - 1] == ']')
{
if (class_name)
m_full.SetCStringWithLength(name, name_len);
}
}
}
return IsValid(strict);
}
const ConstString &
ObjCLanguageRuntime::MethodName::GetClassName ()
{
if (!m_class)
{
if (IsValid(false))
{
const char *full = m_full.GetCString();
const char *class_start = (full[0] == '[' ? full + 1 : full + 2);
const char *paren_pos = strchr (class_start, '(');
if (paren_pos)
{
m_class.SetCStringWithLength (class_start, paren_pos - class_start);
}
else
{
// No '(' was found in the full name, we can definitively say
// that our category was valid (and empty).
m_category_is_valid = true;
const char *space_pos = strchr (full, ' ');
if (space_pos)
{
class_name->SetCStringWithLength (name + 2, selector_name_ptr - name - 2);
++result;
}
// Skip the space
++selector_name_ptr;
// Extract the objective C basename and add it to the
// accelerator tables
size_t selector_name_len = name_len - (selector_name_ptr - name) - 1;
if (selector_name)
{
selector_name->SetCStringWithLength (selector_name_ptr, selector_name_len);
++result;
}
// Also see if this is a "category" on our class. If so strip off the category name,
// and add the class name without it to the basename table.
if (name_sans_category || class_name_sans_category)
{
const char *open_paren = strchr (name, '(');
if (open_paren)
m_class.SetCStringWithLength (class_start, space_pos - class_start);
if (!m_class_category)
{
if (class_name_sans_category)
{
class_name_sans_category->SetCStringWithLength (name + 2, open_paren - name - 2);
++result;
}
if (name_sans_category)
{
const char *close_paren = strchr (open_paren, ')');
if (open_paren < close_paren)
{
std::string buffer (name, open_paren - name);
buffer.append (close_paren + 1);
name_sans_category->SetCString (buffer.c_str());
++result;
}
}
// No category in name, so we can also fill in the m_class_category
m_class_category = m_class;
}
}
}
}
}
return result;
return m_class;
}
const ConstString &
ObjCLanguageRuntime::MethodName::GetClassNameWithCategory ()
{
if (!m_class_category)
{
if (IsValid(false))
{
const char *full = m_full.GetCString();
const char *class_start = (full[0] == '[' ? full + 1 : full + 2);
const char *space_pos = strchr (full, ' ');
if (space_pos)
{
m_class_category.SetCStringWithLength (class_start, space_pos - class_start);
// If m_class hasn't been filled in and the class with category doesn't
// contain a '(', then we can also fill in the m_class
if (!m_class && strchr (m_class_category.GetCString(), '(') == NULL)
{
m_class = m_class_category;
// No '(' was found in the full name, we can definitively say
// that our category was valid (and empty).
m_category_is_valid = true;
}
}
}
}
return m_class_category;
}
const ConstString &
ObjCLanguageRuntime::MethodName::GetSelector ()
{
if (!m_selector)
{
if (IsValid(false))
{
const char *full = m_full.GetCString();
const char *space_pos = strchr (full, ' ');
if (space_pos)
{
++space_pos; // skip the space
m_selector.SetCStringWithLength (space_pos, m_full.GetLength() - (space_pos - full) - 1);
}
}
}
return m_selector;
}
const ConstString &
ObjCLanguageRuntime::MethodName::GetCategory ()
{
if (!m_category_is_valid && !m_category)
{
if (IsValid(false))
{
m_category_is_valid = true;
const char *full = m_full.GetCString();
const char *class_start = (full[0] == '[' ? full + 1 : full + 2);
const char *open_paren_pos = strchr (class_start, '(');
if (open_paren_pos)
{
++open_paren_pos; // Skip the open paren
const char *close_paren_pos = strchr (open_paren_pos, ')');
if (close_paren_pos)
m_category.SetCStringWithLength (open_paren_pos, close_paren_pos - open_paren_pos);
}
}
}
return m_category;
}
ConstString
ObjCLanguageRuntime::MethodName::GetFullNameWithoutCategory (bool empty_if_no_category)
{
if (IsValid(false))
{
if (HasCategory())
{
StreamString strm;
if (m_type == eTypeClassMethod)
strm.PutChar('+');
else if (m_type == eTypeInstanceMethod)
strm.PutChar('-');
strm.Printf("[%s %s]", GetClassName().GetCString(), GetSelector().GetCString());
return ConstString(strm.GetString().c_str());
}
if (!empty_if_no_category)
{
// Just return the full name since it doesn't have a category
return GetFullName();
}
}
return ConstString();
}
size_t
ObjCLanguageRuntime::MethodName::GetFullNames (std::vector<ConstString> &names, bool append)
{
if (!append)
names.clear();
if (IsValid(false))
{
StreamString strm;
const bool is_class_method = m_type == eTypeClassMethod;
const bool is_instance_method = m_type == eTypeInstanceMethod;
const ConstString &category = GetCategory();
if (is_class_method || is_instance_method)
{
names.push_back (m_full);
if (category)
{
strm.Printf("%c[%s %s]",
is_class_method ? '+' : '-',
GetClassName().GetCString(),
GetSelector().GetCString());
names.push_back(ConstString(strm.GetString().c_str()));
}
}
else
{
const ConstString &class_name = GetClassName();
const ConstString &selector = GetSelector();
strm.Printf("+[%s %s]", class_name.GetCString(), selector.GetCString());
names.push_back(ConstString(strm.GetString().c_str()));
strm.Clear();
strm.Printf("-[%s %s]", class_name.GetCString(), selector.GetCString());
names.push_back(ConstString(strm.GetString().c_str()));
strm.Clear();
if (category)
{
strm.Printf("+[%s(%s) %s]", class_name.GetCString(), category.GetCString(), selector.GetCString());
names.push_back(ConstString(strm.GetString().c_str()));
strm.Clear();
strm.Printf("-[%s(%s) %s]", class_name.GetCString(), category.GetCString(), selector.GetCString());
names.push_back(ConstString(strm.GetString().c_str()));
}
}
}
return names.size();
}
//uint32_t
//ObjCLanguageRuntime::ParseMethodName (const char *name,
// ConstString *class_name, // Class name (with category if any)
// ConstString *selector_name, // selector on its own
// ConstString *name_sans_category, // Full function prototype with no category
// ConstString *class_name_sans_category)// Class name with no category (or empty if no category as answer will be in "class_name"
//{
// static ScopedTimerAggregator g_scoped_timer_aggregator ("ObjCLanguageRuntime::ParseMethodName");
// ScopedTimer scoped_timer;
// uint32_t result = 0;
// if (class_name)
// class_name->Clear();
// if (selector_name)
// selector_name->Clear();
// if (name_sans_category)
// name_sans_category->Clear();
// if (class_name_sans_category)
// class_name_sans_category->Clear();
//
//
// if (IsPossibleObjCMethodName (name))
// {
// int name_len = strlen (name);
// // Objective C methods must have at least:
// // "-[" or "+[" prefix
// // One character for a class name
// // One character for the space between the class name
// // One character for the method name
// // "]" suffix
// if (name_len >= 6 && name[name_len - 1] == ']')
// {
// const char *selector_name_ptr = strchr (name, ' ');
// if (selector_name_ptr)
// {
// if (class_name)
// {
// class_name->SetCStringWithLength (name + 2, selector_name_ptr - name - 2);
// ++result;
// }
//
// // Skip the space
// ++selector_name_ptr;
// // Extract the objective C basename and add it to the
// // accelerator tables
// size_t selector_name_len = name_len - (selector_name_ptr - name) - 1;
// if (selector_name)
// {
// selector_name->SetCStringWithLength (selector_name_ptr, selector_name_len);
// ++result;
// }
//
// // Also see if this is a "category" on our class. If so strip off the category name,
// // and add the class name without it to the basename table.
//
// if (name_sans_category || class_name_sans_category)
// {
// const char *open_paren = strchr (name, '(');
// if (open_paren)
// {
// if (class_name_sans_category)
// {
// class_name_sans_category->SetCStringWithLength (name + 2, open_paren - name - 2);
// ++result;
// }
//
// if (name_sans_category)
// {
// const char *close_paren = strchr (open_paren, ')');
// if (open_paren < close_paren)
// {
// std::string buffer (name, open_paren - name);
// buffer.append (close_paren + 1);
// name_sans_category->SetCString (buffer.c_str());
// ++result;
// }
// }
// }
// }
// }
// }
// }
// ObjCLanguageRuntime::MethodName method_name(name, true);
// if (class_name)
// assert (*class_name == method_name.GetClassNameWithCategory());
// if (selector_name)
// assert (*selector_name == method_name.GetSelector());
// if (class_name_sans_category)
// assert (*class_name_sans_category == method_name.GetClassName());
// g_scoped_timer_aggregator.Aggregate (scoped_timer);
// return result;
//}
bool
ObjCLanguageRuntime::ClassDescriptor::IsPointerValid (lldb::addr_t value,
uint32_t ptr_size,