Module.cpp revision 4a08268a6953b3ce77691d3a8a7589e7cdeea947 
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
23ModuleFile::ModuleFile(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), LocalNumSubmodules(0), BaseSubmoduleID(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    FileSortedDecls(0), RedeclarationsInfo(0), LocalNumRedeclarationsInfos(0),
39    LocalNumTypes(0), TypeOffsets(0), BaseTypeIndex(0), StatCache(0)
40{}
41
42ModuleFile::~ModuleFile() {
43  for (DeclContextInfosMap::iterator I = DeclContextInfos.begin(),
44       E = DeclContextInfos.end();
45       I != E; ++I) {
46    if (I->second.NameLookupTableData)
47      delete static_cast<ASTDeclContextNameLookupTable*>(
48                                                 I->second.NameLookupTableData);
49  }
50
51  delete static_cast<ASTIdentifierLookupTable *>(IdentifierLookupTable);
52  delete static_cast<HeaderFileInfoLookupTable *>(HeaderFileInfoTable);
53  delete static_cast<ASTSelectorLookupTable *>(SelectorLookupTable);
54}
55
56template<typename Key, typename Offset, unsigned InitialCapacity>
57static void
58dumpLocalRemap(StringRef Name,
59               const ContinuousRangeMap<Key, Offset, InitialCapacity> &Map) {
60  if (Map.begin() == Map.end())
61    return;
62
63  typedef ContinuousRangeMap<Key, Offset, InitialCapacity> MapType;
64  llvm::errs() << "  " << Name << ":\n";
65  for (typename MapType::const_iterator I = Map.begin(), IEnd = Map.end();
66       I != IEnd; ++I) {
67    llvm::errs() << "    " << I->first << " -> " << I->second << "\n";
68  }
69}
70
71void ModuleFile::dump() {
72  llvm::errs() << "\nModule: " << FileName << "\n";
73  if (!Imports.empty()) {
74    llvm::errs() << "  Imports: ";
75    for (unsigned I = 0, N = Imports.size(); I != N; ++I) {
76      if (I)
77        llvm::errs() << ", ";
78      llvm::errs() << Imports[I]->FileName;
79    }
80    llvm::errs() << "\n";
81  }
82
83  // Remapping tables.
84  llvm::errs() << "  Base source location offset: " << SLocEntryBaseOffset
85               << '\n';
86  dumpLocalRemap("Source location offset local -> global map", SLocRemap);
87
88  llvm::errs() << "  Base identifier ID: " << BaseIdentifierID << '\n'
89               << "  Number of identifiers: " << LocalNumIdentifiers << '\n';
90  dumpLocalRemap("Identifier ID local -> global map", IdentifierRemap);
91
92  llvm::errs() << "  Base submodule ID: " << BaseSubmoduleID << '\n'
93               << "  Number of submodules: " << LocalNumSubmodules << '\n';
94  dumpLocalRemap("Submodule ID local -> global map", SubmoduleRemap);
95
96  llvm::errs() << "  Base selector ID: " << BaseSelectorID << '\n'
97               << "  Number of selectors: " << LocalNumSelectors << '\n';
98  dumpLocalRemap("Selector ID local -> global map", SelectorRemap);
99
100  llvm::errs() << "  Base preprocessed entity ID: " << BasePreprocessedEntityID
101               << '\n'
102               << "  Number of preprocessed entities: "
103               << NumPreprocessedEntities << '\n';
104  dumpLocalRemap("Preprocessed entity ID local -> global map",
105                 PreprocessedEntityRemap);
106
107  llvm::errs() << "  Base type index: " << BaseTypeIndex << '\n'
108               << "  Number of types: " << LocalNumTypes << '\n';
109  dumpLocalRemap("Type index local -> global map", TypeRemap);
110
111  llvm::errs() << "  Base decl ID: " << BaseDeclID << '\n'
112               << "  Number of decls: " << LocalNumDecls << '\n';
113  dumpLocalRemap("Decl ID local -> global map", DeclRemap);
114}
115