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