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//===-- SymbolContext.cpp ---------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Symbol/SymbolContext.h"
#include "lldb/Core/Module.h"
#include "lldb/Symbol/CompileUnit.h"
#include "lldb/Symbol/ObjectFile.h"
#include "lldb/Symbol/Symbol.h"
#include "lldb/Symbol/SymbolVendor.h"
#include "lldb/Target/Target.h"
using namespace lldb;
using namespace lldb_private;
SymbolContext::SymbolContext() :
target_sp (),
module_sp (),
comp_unit (NULL),
function (NULL),
block (NULL),
line_entry (),
symbol (NULL)
{
}
SymbolContext::SymbolContext(const ModuleSP& m, CompileUnit *cu, Function *f, Block *b, LineEntry *le, Symbol *s) :
target_sp (),
module_sp (m),
comp_unit (cu),
function (f),
block (b),
line_entry (),
symbol (s)
{
if (le)
line_entry = *le;
}
SymbolContext::SymbolContext(const TargetSP &t, const ModuleSP& m, CompileUnit *cu, Function *f, Block *b, LineEntry *le, Symbol *s) :
target_sp (t),
module_sp (m),
comp_unit (cu),
function (f),
block (b),
line_entry (),
symbol (s)
{
if (le)
line_entry = *le;
}
SymbolContext::SymbolContext(const SymbolContext& rhs) :
target_sp (rhs.target_sp),
module_sp (rhs.module_sp),
comp_unit (rhs.comp_unit),
function (rhs.function),
block (rhs.block),
line_entry (rhs.line_entry),
symbol (rhs.symbol)
{
}
SymbolContext::SymbolContext (SymbolContextScope *sc_scope) :
target_sp (),
module_sp (),
comp_unit (NULL),
function (NULL),
block (NULL),
line_entry (),
symbol (NULL)
{
sc_scope->CalculateSymbolContext (this);
}
const SymbolContext&
SymbolContext::operator= (const SymbolContext& rhs)
{
if (this != &rhs)
{
target_sp = rhs.target_sp;
module_sp = rhs.module_sp;
comp_unit = rhs.comp_unit;
function = rhs.function;
block = rhs.block;
line_entry = rhs.line_entry;
symbol = rhs.symbol;
}
return *this;
}
void
SymbolContext::Clear()
{
target_sp.reset();
module_sp.reset();
comp_unit = NULL;
function = NULL;
block = NULL;
line_entry.Clear();
symbol = NULL;
}
void
SymbolContext::DumpStopContext
(
Stream *s,
ExecutionContextScope *exe_scope,
const Address &addr,
bool show_fullpaths,
bool show_module,
bool show_inlined_frames
) const
{
if (show_module && module_sp)
{
if (show_fullpaths)
*s << module_sp->GetFileSpec();
else
*s << module_sp->GetFileSpec().GetFilename();
s->PutChar('`');
}
if (function != NULL)
{
if (function->GetMangled().GetName())
function->GetMangled().GetName().Dump(s);
if (addr.IsValid())
{
const addr_t function_offset = addr.GetOffset() - function->GetAddressRange().GetBaseAddress().GetOffset();
if (function_offset)
s->Printf(" + %llu", function_offset);
}
if (block != NULL)
{
s->IndentMore();
block->DumpStopContext (s, this, NULL, show_fullpaths, show_inlined_frames);
s->IndentLess();
}
else
{
if (line_entry.IsValid())
{
s->PutCString(" at ");
if (line_entry.DumpStopContext(s, show_fullpaths))
return;
}
}
}
else if (symbol != NULL)
{
symbol->GetMangled().GetName().Dump(s);
if (addr.IsValid() && symbol->GetAddressRangePtr())
{
const addr_t symbol_offset = addr.GetOffset() - symbol->GetAddressRangePtr()->GetBaseAddress().GetOffset();
if (symbol_offset)
s->Printf(" + %llu", symbol_offset);
}
}
else if (addr.IsValid())
{
addr.Dump(s, exe_scope, Address::DumpStyleModuleWithFileAddress);
}
}
void
SymbolContext::GetDescription(Stream *s, lldb::DescriptionLevel level, Target *target) const
{
if (module_sp)
{
s->Indent(" Module: file = \"");
module_sp->GetFileSpec().Dump(s);
*s << '"';
if (module_sp->GetArchitecture().IsValid())
s->Printf (", arch = \"%s\"", module_sp->GetArchitecture().GetArchitectureName());
s->EOL();
}
if (comp_unit != NULL)
{
s->Indent("CompileUnit: ");
comp_unit->GetDescription (s, level);
s->EOL();
}
if (function != NULL)
{
s->Indent(" Function: ");
function->GetDescription (s, level, target);
s->EOL();
Type *func_type = function->GetType();
if (func_type)
{
s->Indent(" FuncType: ");
func_type->GetDescription (s, level, false);
s->EOL();
}
}
if (block != NULL)
{
std::vector<Block *> blocks;
blocks.push_back (block);
Block *parent_block = block->GetParent();
while (parent_block)
{
blocks.push_back (parent_block);
parent_block = parent_block->GetParent();
}
std::vector<Block *>::reverse_iterator pos;
std::vector<Block *>::reverse_iterator begin = blocks.rbegin();
std::vector<Block *>::reverse_iterator end = blocks.rend();
for (pos = begin; pos != end; ++pos)
{
if (pos == begin)
s->Indent(" Blocks: ");
else
s->Indent(" ");
(*pos)->GetDescription(s, function, level, target);
s->EOL();
}
}
if (line_entry.IsValid())
{
s->Indent(" LineEntry: ");
line_entry.GetDescription (s, level, comp_unit, target, false);
s->EOL();
}
if (symbol != NULL)
{
s->Indent(" Symbol: ");
symbol->GetDescription(s, level, target);
s->EOL();
}
}
uint32_t
SymbolContext::GetResolvedMask () const
{
uint32_t resolved_mask = 0;
if (target_sp) resolved_mask |= eSymbolContextTarget;
if (module_sp) resolved_mask |= eSymbolContextModule;
if (comp_unit) resolved_mask |= eSymbolContextCompUnit;
if (function) resolved_mask |= eSymbolContextFunction;
if (block) resolved_mask |= eSymbolContextBlock;
if (line_entry.IsValid()) resolved_mask |= eSymbolContextLineEntry;
if (symbol) resolved_mask |= eSymbolContextSymbol;
return resolved_mask;
}
void
SymbolContext::Dump(Stream *s, Target *target) const
{
*s << (void *)this << ": ";
s->Indent();
s->PutCString("SymbolContext");
s->IndentMore();
s->EOL();
s->IndentMore();
s->Indent();
*s << "Module = " << (void *)module_sp.get() << ' ';
if (module_sp)
module_sp->GetFileSpec().Dump(s);
s->EOL();
s->Indent();
*s << "CompileUnit = " << (void *)comp_unit;
if (comp_unit != NULL)
*s << " {0x" << comp_unit->GetID() << "} " << *(static_cast<FileSpec*> (comp_unit));
s->EOL();
s->Indent();
*s << "Function = " << (void *)function;
if (function != NULL)
{
*s << " {0x" << function->GetID() << "} " << function->GetType()->GetName() << ", address-range = ";
function->GetAddressRange().Dump(s, target, Address::DumpStyleLoadAddress, Address::DumpStyleModuleWithFileAddress);
s->EOL();
s->Indent();
Type* func_type = function->GetType();
if (func_type)
{
*s << " Type = ";
func_type->Dump (s, false);
}
}
s->EOL();
s->Indent();
*s << "Block = " << (void *)block;
if (block != NULL)
*s << " {0x" << block->GetID() << '}';
// Dump the block and pass it a negative depth to we print all the parent blocks
//if (block != NULL)
// block->Dump(s, function->GetFileAddress(), INT_MIN);
s->EOL();
s->Indent();
*s << "LineEntry = ";
line_entry.Dump (s, target, true, Address::DumpStyleLoadAddress, Address::DumpStyleModuleWithFileAddress, true);
s->EOL();
s->Indent();
*s << "Symbol = " << (void *)symbol;
if (symbol != NULL && symbol->GetMangled())
*s << ' ' << symbol->GetMangled().GetName().AsCString();
s->EOL();
s->IndentLess();
s->IndentLess();
}
bool
lldb_private::operator== (const SymbolContext& lhs, const SymbolContext& rhs)
{
return lhs.function == rhs.function
&& lhs.symbol == rhs.symbol
&& lhs.module_sp.get() == rhs.module_sp.get()
&& lhs.comp_unit == rhs.comp_unit
&& lhs.target_sp.get() == rhs.target_sp.get()
&& LineEntry::Compare(lhs.line_entry, rhs.line_entry) == 0;
}
bool
lldb_private::operator!= (const SymbolContext& lhs, const SymbolContext& rhs)
{
return lhs.function != rhs.function
&& lhs.symbol != rhs.symbol
&& lhs.module_sp.get() != rhs.module_sp.get()
&& lhs.comp_unit != rhs.comp_unit
&& lhs.target_sp.get() != rhs.target_sp.get()
&& LineEntry::Compare(lhs.line_entry, rhs.line_entry) != 0;
}
bool
SymbolContext::GetAddressRange (uint32_t scope, AddressRange &range) const
{
if ((scope & eSymbolContextLineEntry) && line_entry.IsValid())
{
range = line_entry.range;
return true;
}
else if ((scope & eSymbolContextFunction) && function != NULL)
{
range = function->GetAddressRange();
return true;
}
else if ((scope & eSymbolContextSymbol) && symbol != NULL && symbol->GetAddressRangePtr())
{
range = *symbol->GetAddressRangePtr();
if (range.GetByteSize() == 0)
{
if (module_sp)
{
ObjectFile *objfile = module_sp->GetObjectFile();
if (objfile)
{
Symtab *symtab = objfile->GetSymtab();
if (symtab)
range.SetByteSize(symtab->CalculateSymbolSize (symbol));
}
}
}
return true;
}
range.Clear();
return false;
}
ClangNamespaceDecl
SymbolContext::FindNamespace (const ConstString &name) const
{
ClangNamespaceDecl namespace_decl;
if (module_sp)
namespace_decl = module_sp->GetSymbolVendor()->FindNamespace (*this, name);
return namespace_decl;
}
size_t
SymbolContext::FindFunctionsByName (const ConstString &name,
bool include_symbols,
bool append,
SymbolContextList &sc_list) const
{
if (!append)
sc_list.Clear();
if (function != NULL)
{
// FIXME: Look in the class of the current function, if it exists,
// for methods matching name.
}
if (module_sp != NULL)
module_sp->FindFunctions (name, eFunctionNameTypeBase | eFunctionNameTypeFull, include_symbols, true, sc_list);
if (target_sp)
target_sp->GetImages().FindFunctions (name, eFunctionNameTypeBase | eFunctionNameTypeFull, include_symbols, true, sc_list);
return sc_list.GetSize();
}
//lldb::VariableSP
//SymbolContext::FindVariableByName (const char *name) const
//{
// lldb::VariableSP return_value;
// return return_value;
//}
lldb::TypeSP
SymbolContext::FindTypeByName (const ConstString &name) const
{
lldb::TypeSP return_value;
TypeList types;
if (module_sp && module_sp->FindTypes (*this, name, false, 1, types))
return types.GetTypeAtIndex(0);
if (!return_value.get() && target_sp && target_sp->GetImages().FindTypes (*this, name, false, 1, types))
return types.GetTypeAtIndex(0);
return return_value;
}
//SymbolContext
//SymbolContext::CreateSymbolContextFromDescription (lldb::TargetSP &target_sp,
// const char *module,
// const char *comp_unit,
// const char *function,
// const char *block_spec
// const char *line_number,
// const char *symbol)
//{
// SymbolContext sc;
// sc.target = target_sp;
//
// if (module != NULL && module[0] != '0')
// {
//
// }
//
// return sc;
//}
//----------------------------------------------------------------------
//
// SymbolContextList
//
//----------------------------------------------------------------------
SymbolContextList::SymbolContextList() :
m_symbol_contexts()
{
}
SymbolContextList::~SymbolContextList()
{
}
void
SymbolContextList::Append(const SymbolContext& sc)
{
m_symbol_contexts.push_back(sc);
}
bool
SymbolContextList::AppendIfUnique (const SymbolContext& sc)
{
collection::const_iterator pos, end = m_symbol_contexts.end();
for (pos = m_symbol_contexts.begin(); pos != end; ++pos)
{
if (*pos == sc)
return false;
}
m_symbol_contexts.push_back(sc);
return true;
}
void
SymbolContextList::Clear()
{
m_symbol_contexts.clear();
}
void
SymbolContextList::Dump(Stream *s, Target *target) const
{
*s << (void *)this << ": ";
s->Indent();
s->PutCString("SymbolContextList");
s->EOL();
s->IndentMore();
collection::const_iterator pos, end = m_symbol_contexts.end();
for (pos = m_symbol_contexts.begin(); pos != end; ++pos)
{
pos->Dump(s, target);
}
s->IndentLess();
}
bool
SymbolContextList::GetContextAtIndex(uint32_t idx, SymbolContext& sc) const
{
if (idx < m_symbol_contexts.size())
{
sc = m_symbol_contexts[idx];
return true;
}
return false;
}
bool
SymbolContextList::RemoveContextAtIndex (uint32_t idx)
{
if (idx < m_symbol_contexts.size())
{
m_symbol_contexts.erase(m_symbol_contexts.begin() + idx);
return true;
}
return false;
}
uint32_t
SymbolContextList::GetSize() const
{
return m_symbol_contexts.size();
}