forked from OSchip/llvm-project
108 lines
2.5 KiB
C++
108 lines
2.5 KiB
C++
//===-- ClangExternalASTSourceCommon.cpp ------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Symbol/ClangExternalASTSourceCommon.h"
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#include "lldb/Core/Stream.h"
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#include "lldb/Host/Mutex.h"
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using namespace lldb_private;
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uint64_t g_TotalSizeOfMetadata = 0;
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typedef llvm::DenseMap<clang::ExternalASTSource *, ClangExternalASTSourceCommon *> ASTSourceMap;
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static ASTSourceMap &GetSourceMap()
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{
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static ASTSourceMap s_source_map;
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return s_source_map;
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}
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ClangExternalASTSourceCommon *
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ClangExternalASTSourceCommon::Lookup(clang::ExternalASTSource *source)
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{
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ASTSourceMap &source_map = GetSourceMap();
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ASTSourceMap::iterator iter = source_map.find(source);
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if (iter != source_map.end())
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{
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return iter->second;
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}
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else
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{
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return nullptr;
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}
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}
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ClangExternalASTSourceCommon::ClangExternalASTSourceCommon() : clang::ExternalASTSource()
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{
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g_TotalSizeOfMetadata += m_metadata.size();
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GetSourceMap()[this] = this;
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}
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ClangExternalASTSourceCommon::~ClangExternalASTSourceCommon()
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{
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GetSourceMap().erase(this);
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g_TotalSizeOfMetadata -= m_metadata.size();
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}
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ClangASTMetadata *
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ClangExternalASTSourceCommon::GetMetadata (const void *object)
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{
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if (HasMetadata (object))
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return &m_metadata[object];
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else
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return nullptr;
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}
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void
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ClangExternalASTSourceCommon::SetMetadata (const void *object, ClangASTMetadata &metadata)
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{
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uint64_t orig_size = m_metadata.size();
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m_metadata[object] = metadata;
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uint64_t new_size = m_metadata.size();
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g_TotalSizeOfMetadata += (new_size - orig_size);
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}
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bool
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ClangExternalASTSourceCommon::HasMetadata (const void *object)
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{
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return m_metadata.find(object) != m_metadata.end();
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}
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void
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ClangASTMetadata::Dump (Stream *s)
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{
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lldb::user_id_t uid = GetUserID ();
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if (uid != LLDB_INVALID_UID)
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{
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s->Printf ("uid=0x%" PRIx64, uid);
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}
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uint64_t isa_ptr = GetISAPtr ();
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if (isa_ptr != 0)
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{
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s->Printf ("isa_ptr=0x%" PRIx64, isa_ptr);
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}
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const char *obj_ptr_name = GetObjectPtrName();
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if (obj_ptr_name)
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{
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s->Printf ("obj_ptr_name=\"%s\" ", obj_ptr_name);
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}
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if (m_is_dynamic_cxx)
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{
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s->Printf ("is_dynamic_cxx=%i ", m_is_dynamic_cxx);
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}
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s->EOL();
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}
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