Module.cpp revision 226586 
1//===--- Module.cpp - Module description ------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10//  This file implements the Module class, which describes a module that has
11//  been loaded from an AST file.
12//
13//===----------------------------------------------------------------------===//
14#include "clang/Serialization/Module.h"
15#include "llvm/Support/raw_ostream.h"
16#include "llvm/Support/MemoryBuffer.h"
17#include "ASTReaderInternals.h"
18
19using namespace clang;
20using namespace serialization;
21using namespace reader;
22
23Module::Module(ModuleKind Kind)
24  : Kind(Kind), DirectlyImported(false), SizeInBits(0),
25    LocalNumSLocEntries(0), SLocEntryBaseID(0),
26    SLocEntryBaseOffset(0), SLocEntryOffsets(0),
27    SLocFileOffsets(0), LocalNumIdentifiers(0),
28    IdentifierOffsets(0), BaseIdentifierID(0), IdentifierTableData(0),
29    IdentifierLookupTable(0), BasePreprocessedEntityID(0),
30    PreprocessedEntityOffsets(0), NumPreprocessedEntities(0),
31    LocalNumHeaderFileInfos(0),
32    HeaderFileInfoTableData(0), HeaderFileInfoTable(0),
33    HeaderFileFrameworkStrings(0),
34    LocalNumSelectors(0), SelectorOffsets(0), BaseSelectorID(0),
35    SelectorLookupTableData(0), SelectorLookupTable(0), LocalNumDecls(0),
36    DeclOffsets(0), BaseDeclID(0),
37    LocalNumCXXBaseSpecifiers(0), CXXBaseSpecifiersOffsets(0),
38    LocalNumTypes(0), TypeOffsets(0), BaseTypeIndex(0), StatCache(0)
39{}
40
41Module::~Module() {
42  for (DeclContextInfosMap::iterator I = DeclContextInfos.begin(),
43       E = DeclContextInfos.end();
44       I != E; ++I) {
45    if (I->second.NameLookupTableData)
46      delete static_cast<ASTDeclContextNameLookupTable*>(
47                                                 I->second.NameLookupTableData);
48  }
49
50  delete static_cast<ASTIdentifierLookupTable *>(IdentifierLookupTable);
51  delete static_cast<HeaderFileInfoLookupTable *>(HeaderFileInfoTable);
52  delete static_cast<ASTSelectorLookupTable *>(SelectorLookupTable);
53}
54
55template<typename Key, typename Offset, unsigned InitialCapacity>
56static void
57dumpLocalRemap(StringRef Name,
58               const ContinuousRangeMap<Key, Offset, InitialCapacity> &Map) {
59  if (Map.begin() == Map.end())
60    return;
61
62  typedef ContinuousRangeMap<Key, Offset, InitialCapacity> MapType;
63  llvm::errs() << "  " << Name << ":\n";
64  for (typename MapType::const_iterator I = Map.begin(), IEnd = Map.end();
65       I != IEnd; ++I) {
66    llvm::errs() << "    " << I->first << " -> " << I->second << "\n";
67  }
68}
69
70void Module::dump() {
71  llvm::errs() << "\nModule: " << FileName << "\n";
72  if (!Imports.empty()) {
73    llvm::errs() << "  Imports: ";
74    for (unsigned I = 0, N = Imports.size(); I != N; ++I) {
75      if (I)
76        llvm::errs() << ", ";
77      llvm::errs() << Imports[I]->FileName;
78    }
79    llvm::errs() << "\n";
80  }
81
82  // Remapping tables.
83  llvm::errs() << "  Base source location offset: " << SLocEntryBaseOffset
84               << '\n';
85  dumpLocalRemap("Source location offset local -> global map", SLocRemap);
86
87  llvm::errs() << "  Base identifier ID: " << BaseIdentifierID << '\n'
88               << "  Number of identifiers: " << LocalNumIdentifiers << '\n';
89  dumpLocalRemap("Identifier ID local -> global map", IdentifierRemap);
90
91  llvm::errs() << "  Base selector ID: " << BaseSelectorID << '\n'
92               << "  Number of selectors: " << LocalNumSelectors << '\n';
93  dumpLocalRemap("Selector ID local -> global map", SelectorRemap);
94
95  llvm::errs() << "  Base preprocessed entity ID: " << BasePreprocessedEntityID
96               << '\n'
97               << "  Number of preprocessed entities: "
98               << NumPreprocessedEntities << '\n';
99  dumpLocalRemap("Preprocessed entity ID local -> global map",
100                 PreprocessedEntityRemap);
101
102  llvm::errs() << "  Base type index: " << BaseTypeIndex << '\n'
103               << "  Number of types: " << LocalNumTypes << '\n';
104  dumpLocalRemap("Type index local -> global map", TypeRemap);
105
106  llvm::errs() << "  Base decl ID: " << BaseDeclID << '\n'
107               << "  Number of decls: " << LocalNumDecls << '\n';
108  dumpLocalRemap("Decl ID local -> global map", DeclRemap);
109}
110