tools/llvm-pdbdump/TypedefDumper.cpp

   1 //===- TypedefDumper.cpp - PDBSymDumper impl for typedefs -------- * 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 #include "TypedefDumper.h"
  11
  12 #include "BuiltinDumper.h"
  13 #include "FunctionDumper.h"
  14 #include "LinePrinter.h"
  15 #include "llvm-pdbdump.h"
  16
  17 #include "llvm/DebugInfo/PDB/IPDBSession.h"
  18 #include "llvm/DebugInfo/PDB/PDBExtras.h"
  19 #include "llvm/DebugInfo/PDB/PDBSymbolTypeEnum.h"
  20 #include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionSig.h"
  21 #include "llvm/DebugInfo/PDB/PDBSymbolTypePointer.h"
  22 #include "llvm/DebugInfo/PDB/PDBSymbolTypeTypedef.h"
  23 #include "llvm/DebugInfo/PDB/PDBSymbolTypeUDT.h"
  24
  25 using namespace llvm;
  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
  40 void TypedefDumper::dump(const PDBSymbolTypeBuiltin &Symbol) {
  41   BuiltinDumper Dumper(Printer);
  42   Dumper.start(Symbol);
  43 }
  44
  45 void TypedefDumper::dump(const PDBSymbolTypeEnum &Symbol) {
  46   WithColor(Printer, PDB_ColorItem::Keyword).get() << "enum ";
  47   WithColor(Printer, PDB_ColorItem::Type).get() << " " << Symbol.getName();
  48 }
  49
  50 void TypedefDumper::dump(const PDBSymbolTypePointer &Symbol) {
  51   if (Symbol.isConstType())
  52     WithColor(Printer, PDB_ColorItem::Keyword).get() << "const ";
  53   if (Symbol.isVolatileType())
  54     WithColor(Printer, PDB_ColorItem::Keyword).get() << "volatile ";
  55   uint32_t PointeeId = Symbol.getTypeId();
  56   auto PointeeType = Symbol.getSession().getSymbolById(PointeeId);
  57   if (!PointeeType)
  58     return;
  59   if (auto FuncSig = dyn_cast<PDBSymbolTypeFunctionSig>(PointeeType.get())) {
  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
  71 void TypedefDumper::dump(const PDBSymbolTypeFunctionSig &Symbol) {
  72   FunctionDumper Dumper(Printer);
  73   Dumper.start(Symbol, nullptr, FunctionDumper::PointerType::None);
  74 }
  75
  76 void TypedefDumper::dump(const PDBSymbolTypeUDT &Symbol) {
  77   WithColor(Printer, PDB_ColorItem::Keyword).get() << "class ";
  78   WithColor(Printer, PDB_ColorItem::Type).get() << Symbol.getName();
  79 }