1 //===-- ClangExternalASTSourceCommon.cpp ------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "lldb/Symbol/ClangExternalASTSourceCommon.h"
11 #include "lldb/Core/Stream.h"
12 #include "lldb/Host/Mutex.h"
14 using namespace lldb_private;
16 uint64_t g_TotalSizeOfMetadata = 0;
18 typedef llvm::DenseMap<clang::ExternalASTSource *, ClangExternalASTSourceCommon *> ASTSourceMap;
20 static ASTSourceMap &GetSourceMap()
22 static ASTSourceMap s_source_map;
26 ClangExternalASTSourceCommon *
27 ClangExternalASTSourceCommon::Lookup(clang::ExternalASTSource *source)
29 ASTSourceMap &source_map = GetSourceMap();
31 ASTSourceMap::iterator iter = source_map.find(source);
33 if (iter != source_map.end())
43 ClangExternalASTSourceCommon::ClangExternalASTSourceCommon() : clang::ExternalASTSource()
45 g_TotalSizeOfMetadata += m_metadata.size();
46 GetSourceMap()[this] = this;
49 ClangExternalASTSourceCommon::~ClangExternalASTSourceCommon()
51 GetSourceMap().erase(this);
52 g_TotalSizeOfMetadata -= m_metadata.size();
56 ClangExternalASTSourceCommon::GetMetadata (const void *object)
58 if (HasMetadata (object))
59 return &m_metadata[object];
65 ClangExternalASTSourceCommon::SetMetadata (const void *object, ClangASTMetadata &metadata)
67 uint64_t orig_size = m_metadata.size();
68 m_metadata[object] = metadata;
69 uint64_t new_size = m_metadata.size();
70 g_TotalSizeOfMetadata += (new_size - orig_size);
74 ClangExternalASTSourceCommon::HasMetadata (const void *object)
76 return m_metadata.find(object) != m_metadata.end();
80 ClangASTMetadata::Dump (Stream *s)
82 lldb::user_id_t uid = GetUserID ();
84 if (uid != LLDB_INVALID_UID)
86 s->Printf ("uid=0x%" PRIx64, uid);
89 uint64_t isa_ptr = GetISAPtr ();
92 s->Printf ("isa_ptr=0x%" PRIx64, isa_ptr);
95 const char *obj_ptr_name = GetObjectPtrName();
98 s->Printf ("obj_ptr_name=\"%s\" ", obj_ptr_name);
101 if (m_is_dynamic_cxx)
103 s->Printf ("is_dynamic_cxx=%i ", m_is_dynamic_cxx);