tools/llvm-pdbutil/PrettyTypedefDumper.cpp

   1 //===- PrettyTypedefDumper.cpp - PDBSymDumper impl for typedefs -- * C++ *-===//
   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 #include "PrettyTypedefDumper.h"
  10
  11 #include "LinePrinter.h"
  12 #include "PrettyBuiltinDumper.h"
  13 #include "PrettyFunctionDumper.h"
  14 #include "PrettyTypeDumper.h"
  15
  16 #include "llvm/DebugInfo/PDB/IPDBSession.h"
  17 #include "llvm/DebugInfo/PDB/PDBExtras.h"
  18 #include "llvm/DebugInfo/PDB/PDBSymbolTypeEnum.h"
  19 #include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionSig.h"
  20 #include "llvm/DebugInfo/PDB/PDBSymbolTypePointer.h"
  21 #include "llvm/DebugInfo/PDB/PDBSymbolTypeTypedef.h"
  22 #include "llvm/DebugInfo/PDB/PDBSymbolTypeUDT.h"
  23
  24 using namespace llvm;
  25 using namespace llvm::pdb;
  26
  27 TypedefDumper::TypedefDumper(LinePrinter &P) : PDBSymDumper(true), Printer(P) {}
  28
  29 void TypedefDumper::start(const PDBSymbolTypeTypedef &Symbol) {
  30   WithColor(Printer, PDB_ColorItem::Keyword).get() << "typedef ";
  31   uint32_t TargetId = Symbol.getTypeId();
  32   if (auto TypeSymbol = Symbol.getSession().getSymbolById(TargetId))
  33     TypeSymbol->dump(*this);
  34   WithColor(Printer, PDB_ColorItem::Identifier).get() << " "
  35                                                       << Symbol.getName();
  36 }
  37
  38 void TypedefDumper::dump(const PDBSymbolTypeArray &Symbol) {
  39   TypeDumper Dumper(Printer);
  40   Dumper.dump(Symbol);
  41 }
  42
  43 void TypedefDumper::dump(const PDBSymbolTypeBuiltin &Symbol) {
  44   BuiltinDumper Dumper(Printer);
  45   Dumper.start(Symbol);
  46 }
  47
  48 void TypedefDumper::dump(const PDBSymbolTypeEnum &Symbol) {
  49   WithColor(Printer, PDB_ColorItem::Keyword).get() << "enum ";
  50   WithColor(Printer, PDB_ColorItem::Type).get() << " " << Symbol.getName();
  51 }
  52
  53 void TypedefDumper::dump(const PDBSymbolTypePointer &Symbol) {
  54   if (Symbol.isConstType())
  55     WithColor(Printer, PDB_ColorItem::Keyword).get() << "const ";
  56   if (Symbol.isVolatileType())
  57     WithColor(Printer, PDB_ColorItem::Keyword).get() << "volatile ";
  58   auto PointeeType = Symbol.getPointeeType();
  59   if (auto FuncSig = unique_dyn_cast<PDBSymbolTypeFunctionSig>(PointeeType)) {
  60     FunctionDumper::PointerType Pointer = FunctionDumper::PointerType::Pointer;
  61     if (Symbol.isReference())
  62       Pointer = FunctionDumper::PointerType::Reference;
  63     FunctionDumper NestedDumper(Printer);
  64     NestedDumper.start(*FuncSig, nullptr, Pointer);
  65   } else {
  66     PointeeType->dump(*this);
  67     Printer << ((Symbol.isReference()) ? "&" : "*");
  68   }
  69
  70   if (Symbol.getRawSymbol().isRestrictedType())
  71     WithColor(Printer, PDB_ColorItem::Keyword).get() << " __restrict";
  72 }
  73
  74 void TypedefDumper::dump(const PDBSymbolTypeFunctionSig &Symbol) {
  75   FunctionDumper Dumper(Printer);
  76   Dumper.start(Symbol, nullptr, FunctionDumper::PointerType::None);
  77 }
  78
  79 void TypedefDumper::dump(const PDBSymbolTypeUDT &Symbol) {
  80   WithColor(Printer, PDB_ColorItem::Keyword).get() << "class ";
  81   WithColor(Printer, PDB_ColorItem::Type).get() << Symbol.getName();
  82 }