llvm-project/lldb/source/Symbol/ClangExternalASTSourceCommo...

108 lines
2.5 KiB
C++

//===-- ClangExternalASTSourceCommon.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/ClangExternalASTSourceCommon.h"
#include "lldb/Core/Stream.h"
#include "lldb/Host/Mutex.h"
using namespace lldb_private;
uint64_t g_TotalSizeOfMetadata = 0;
typedef llvm::DenseMap<clang::ExternalASTSource *, ClangExternalASTSourceCommon *> ASTSourceMap;
static ASTSourceMap &GetSourceMap()
{
static ASTSourceMap s_source_map;
return s_source_map;
}
ClangExternalASTSourceCommon *
ClangExternalASTSourceCommon::Lookup(clang::ExternalASTSource *source)
{
ASTSourceMap &source_map = GetSourceMap();
ASTSourceMap::iterator iter = source_map.find(source);
if (iter != source_map.end())
{
return iter->second;
}
else
{
return nullptr;
}
}
ClangExternalASTSourceCommon::ClangExternalASTSourceCommon() : clang::ExternalASTSource()
{
g_TotalSizeOfMetadata += m_metadata.size();
GetSourceMap()[this] = this;
}
ClangExternalASTSourceCommon::~ClangExternalASTSourceCommon()
{
GetSourceMap().erase(this);
g_TotalSizeOfMetadata -= m_metadata.size();
}
ClangASTMetadata *
ClangExternalASTSourceCommon::GetMetadata (const void *object)
{
if (HasMetadata (object))
return &m_metadata[object];
else
return nullptr;
}
void
ClangExternalASTSourceCommon::SetMetadata (const void *object, ClangASTMetadata &metadata)
{
uint64_t orig_size = m_metadata.size();
m_metadata[object] = metadata;
uint64_t new_size = m_metadata.size();
g_TotalSizeOfMetadata += (new_size - orig_size);
}
bool
ClangExternalASTSourceCommon::HasMetadata (const void *object)
{
return m_metadata.find(object) != m_metadata.end();
}
void
ClangASTMetadata::Dump (Stream *s)
{
lldb::user_id_t uid = GetUserID ();
if (uid != LLDB_INVALID_UID)
{
s->Printf ("uid=0x%" PRIx64, uid);
}
uint64_t isa_ptr = GetISAPtr ();
if (isa_ptr != 0)
{
s->Printf ("isa_ptr=0x%" PRIx64, isa_ptr);
}
const char *obj_ptr_name = GetObjectPtrName();
if (obj_ptr_name)
{
s->Printf ("obj_ptr_name=\"%s\" ", obj_ptr_name);
}
if (m_is_dynamic_cxx)
{
s->Printf ("is_dynamic_cxx=%i ", m_is_dynamic_cxx);
}
s->EOL();
}