clang/lib/Serialization/ModuleFile.cpp

   1 //===- ModuleFile.cpp - Module description --------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 //  This file implements the ModuleFile class, which describes a module that
  10 //  has been loaded from an AST file.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "clang/Serialization/ModuleFile.h"
  15 #include "ASTReaderInternals.h"
  16 #include "clang/Serialization/ContinuousRangeMap.h"
  17 #include "llvm/ADT/StringRef.h"
  18 #include "llvm/Support/Compiler.h"
  19 #include "llvm/Support/raw_ostream.h"
  20
  21 using namespace clang;
  22 using namespace serialization;
  23 using namespace reader;
  24
  25 ModuleFile::~ModuleFile() {
  26   delete static_cast<ASTIdentifierLookupTable *>(IdentifierLookupTable);
  27   delete static_cast<HeaderFileInfoLookupTable *>(HeaderFileInfoTable);
  28   delete static_cast<ASTSelectorLookupTable *>(SelectorLookupTable);
  29 }
  30
  31 template<typename Key, typename Offset, unsigned InitialCapacity>
  32 static void
  33 dumpLocalRemap(StringRef Name,
  34                const ContinuousRangeMap<Key, Offset, InitialCapacity> &Map) {
  35   if (Map.begin() == Map.end())
  36     return;
  37
  38   using MapType = ContinuousRangeMap<Key, Offset, InitialCapacity>;
  39
  40   llvm::errs() << "  " << Name << ":\n";
  41   for (typename MapType::const_iterator I = Map.begin(), IEnd = Map.end();
  42        I != IEnd; ++I) {
  43     llvm::errs() << "    " << I->first << " -> " << I->second << "\n";
  44   }
  45 }
  46
  47 LLVM_DUMP_METHOD void ModuleFile::dump() {
  48   llvm::errs() << "\nModule: " << FileName << "\n";
  49   if (!Imports.empty()) {
  50     llvm::errs() << "  Imports: ";
  51     for (unsigned I = 0, N = Imports.size(); I != N; ++I) {
  52       if (I)
  53         llvm::errs() << ", ";
  54       llvm::errs() << Imports[I]->FileName;
  55     }
  56     llvm::errs() << "\n";
  57   }
  58
  59   // Remapping tables.
  60   llvm::errs() << "  Base source location offset: " << SLocEntryBaseOffset
  61                << '\n';
  62   dumpLocalRemap("Source location offset local -> global map", SLocRemap);
  63
  64   llvm::errs() << "  Base identifier ID: " << BaseIdentifierID << '\n'
  65                << "  Number of identifiers: " << LocalNumIdentifiers << '\n';
  66   dumpLocalRemap("Identifier ID local -> global map", IdentifierRemap);
  67
  68   llvm::errs() << "  Base macro ID: " << BaseMacroID << '\n'
  69                << "  Number of macros: " << LocalNumMacros << '\n';
  70   dumpLocalRemap("Macro ID local -> global map", MacroRemap);
  71
  72   llvm::errs() << "  Base submodule ID: " << BaseSubmoduleID << '\n'
  73                << "  Number of submodules: " << LocalNumSubmodules << '\n';
  74   dumpLocalRemap("Submodule ID local -> global map", SubmoduleRemap);
  75
  76   llvm::errs() << "  Base selector ID: " << BaseSelectorID << '\n'
  77                << "  Number of selectors: " << LocalNumSelectors << '\n';
  78   dumpLocalRemap("Selector ID local -> global map", SelectorRemap);
  79
  80   llvm::errs() << "  Base preprocessed entity ID: " << BasePreprocessedEntityID
  81                << '\n'
  82                << "  Number of preprocessed entities: "
  83                << NumPreprocessedEntities << '\n';
  84   dumpLocalRemap("Preprocessed entity ID local -> global map",
  85                  PreprocessedEntityRemap);
  86
  87   llvm::errs() << "  Base type index: " << BaseTypeIndex << '\n'
  88                << "  Number of types: " << LocalNumTypes << '\n';
  89   dumpLocalRemap("Type index local -> global map", TypeRemap);
  90
  91   llvm::errs() << "  Base decl ID: " << BaseDeclID << '\n'
  92                << "  Number of decls: " << LocalNumDecls << '\n';
  93   dumpLocalRemap("Decl ID local -> global map", DeclRemap);
  94 }