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 "ASTReaderInternals.h"
16 #include "llvm/Support/MemoryBuffer.h"
17 #include "llvm/Support/raw_ostream.h"
18
19 using namespace clang;
20 using namespace serialization;
21 using namespace reader;
22
ModuleFile(ModuleKind Kind,unsigned Generation)23 ModuleFile::ModuleFile(ModuleKind Kind, unsigned Generation)
24 : Kind(Kind), File(nullptr), Signature(0), DirectlyImported(false),
25 Generation(Generation), SizeInBits(0),
26 LocalNumSLocEntries(0), SLocEntryBaseID(0),
27 SLocEntryBaseOffset(0), SLocEntryOffsets(nullptr),
28 LocalNumIdentifiers(0),
29 IdentifierOffsets(nullptr), BaseIdentifierID(0),
30 IdentifierTableData(nullptr), IdentifierLookupTable(nullptr),
31 LocalNumMacros(0), MacroOffsets(nullptr),
32 BasePreprocessedEntityID(0),
33 PreprocessedEntityOffsets(nullptr), NumPreprocessedEntities(0),
34 LocalNumHeaderFileInfos(0),
35 HeaderFileInfoTableData(nullptr), HeaderFileInfoTable(nullptr),
36 LocalNumSubmodules(0), BaseSubmoduleID(0),
37 LocalNumSelectors(0), SelectorOffsets(nullptr), BaseSelectorID(0),
38 SelectorLookupTableData(nullptr), SelectorLookupTable(nullptr),
39 LocalNumDecls(0), DeclOffsets(nullptr), BaseDeclID(0),
40 LocalNumCXXBaseSpecifiers(0), CXXBaseSpecifiersOffsets(nullptr),
41 FileSortedDecls(nullptr), NumFileSortedDecls(0),
42 RedeclarationsMap(nullptr), LocalNumRedeclarationsInMap(0),
43 ObjCCategoriesMap(nullptr), LocalNumObjCCategoriesInMap(0),
44 LocalNumTypes(0), TypeOffsets(nullptr), BaseTypeIndex(0)
45 {}
46
~ModuleFile()47 ModuleFile::~ModuleFile() {
48 for (DeclContextInfosMap::iterator I = DeclContextInfos.begin(),
49 E = DeclContextInfos.end();
50 I != E; ++I) {
51 if (I->second.NameLookupTableData)
52 delete I->second.NameLookupTableData;
53 }
54
55 delete static_cast<ASTIdentifierLookupTable *>(IdentifierLookupTable);
56 delete static_cast<HeaderFileInfoLookupTable *>(HeaderFileInfoTable);
57 delete static_cast<ASTSelectorLookupTable *>(SelectorLookupTable);
58 }
59
60 template<typename Key, typename Offset, unsigned InitialCapacity>
61 static void
dumpLocalRemap(StringRef Name,const ContinuousRangeMap<Key,Offset,InitialCapacity> & Map)62 dumpLocalRemap(StringRef Name,
63 const ContinuousRangeMap<Key, Offset, InitialCapacity> &Map) {
64 if (Map.begin() == Map.end())
65 return;
66
67 typedef ContinuousRangeMap<Key, Offset, InitialCapacity> MapType;
68 llvm::errs() << " " << Name << ":\n";
69 for (typename MapType::const_iterator I = Map.begin(), IEnd = Map.end();
70 I != IEnd; ++I) {
71 llvm::errs() << " " << I->first << " -> " << I->second << "\n";
72 }
73 }
74
dump()75 void ModuleFile::dump() {
76 llvm::errs() << "\nModule: " << FileName << "\n";
77 if (!Imports.empty()) {
78 llvm::errs() << " Imports: ";
79 for (unsigned I = 0, N = Imports.size(); I != N; ++I) {
80 if (I)
81 llvm::errs() << ", ";
82 llvm::errs() << Imports[I]->FileName;
83 }
84 llvm::errs() << "\n";
85 }
86
87 // Remapping tables.
88 llvm::errs() << " Base source location offset: " << SLocEntryBaseOffset
89 << '\n';
90 dumpLocalRemap("Source location offset local -> global map", SLocRemap);
91
92 llvm::errs() << " Base identifier ID: " << BaseIdentifierID << '\n'
93 << " Number of identifiers: " << LocalNumIdentifiers << '\n';
94 dumpLocalRemap("Identifier ID local -> global map", IdentifierRemap);
95
96 llvm::errs() << " Base macro ID: " << BaseMacroID << '\n'
97 << " Number of macros: " << LocalNumMacros << '\n';
98 dumpLocalRemap("Macro ID local -> global map", MacroRemap);
99
100 llvm::errs() << " Base submodule ID: " << BaseSubmoduleID << '\n'
101 << " Number of submodules: " << LocalNumSubmodules << '\n';
102 dumpLocalRemap("Submodule ID local -> global map", SubmoduleRemap);
103
104 llvm::errs() << " Base selector ID: " << BaseSelectorID << '\n'
105 << " Number of selectors: " << LocalNumSelectors << '\n';
106 dumpLocalRemap("Selector ID local -> global map", SelectorRemap);
107
108 llvm::errs() << " Base preprocessed entity ID: " << BasePreprocessedEntityID
109 << '\n'
110 << " Number of preprocessed entities: "
111 << NumPreprocessedEntities << '\n';
112 dumpLocalRemap("Preprocessed entity ID local -> global map",
113 PreprocessedEntityRemap);
114
115 llvm::errs() << " Base type index: " << BaseTypeIndex << '\n'
116 << " Number of types: " << LocalNumTypes << '\n';
117 dumpLocalRemap("Type index local -> global map", TypeRemap);
118
119 llvm::errs() << " Base decl ID: " << BaseDeclID << '\n'
120 << " Number of decls: " << LocalNumDecls << '\n';
121 dumpLocalRemap("Decl ID local -> global map", DeclRemap);
122 }
123