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::Type).get() << " " << Symbol.getName();
  35 }
  36
  37 void TypedefDumper::dump(const PDBSymbolTypeArray &Symbol) {}
  38
  39 void TypedefDumper::dump(const PDBSymbolTypeBuiltin &Symbol) {
  40   BuiltinDumper Dumper(Printer);
  41   Dumper.start(Symbol);
  42 }
  43
  44 void TypedefDumper::dump(const PDBSymbolTypeEnum &Symbol) {
  45   WithColor(Printer, PDB_ColorItem::Keyword).get() << "enum ";
  46   WithColor(Printer, PDB_ColorItem::Type).get() << " " << Symbol.getName();
  47 }
  48
  49 void TypedefDumper::dump(const PDBSymbolTypePointer &Symbol) {
  50   if (Symbol.isConstType())
  51     WithColor(Printer, PDB_ColorItem::Keyword).get() << "const ";
  52   if (Symbol.isVolatileType())
  53     WithColor(Printer, PDB_ColorItem::Keyword).get() << "volatile ";
  54   uint32_t PointeeId = Symbol.getTypeId();
  55   auto PointeeType = Symbol.getSession().getSymbolById(PointeeId);
  56   if (!PointeeType)
  57     return;
  58   if (auto FuncSig = dyn_cast<PDBSymbolTypeFunctionSig>(PointeeType.get())) {
  59     FunctionDumper::PointerType Pointer = FunctionDumper::PointerType::Pointer;
  60     if (Symbol.isReference())
  61       Pointer = FunctionDumper::PointerType::Reference;
  62     FunctionDumper NestedDumper(Printer);
  63     NestedDumper.start(*FuncSig, nullptr, Pointer);
  64   } else {
  65     PointeeType->dump(*this);
  66     Printer << ((Symbol.isReference()) ? "&" : "*");
  67   }
  68 }
  69
  70 void TypedefDumper::dump(const PDBSymbolTypeFunctionSig &Symbol) {
  71   FunctionDumper Dumper(Printer);
  72   Dumper.start(Symbol, nullptr, FunctionDumper::PointerType::None);
  73 }
  74
  75 void TypedefDumper::dump(const PDBSymbolTypeUDT &Symbol) {
  76   WithColor(Printer, PDB_ColorItem::Keyword).get() << "class ";
  77   WithColor(Printer, PDB_ColorItem::Type).get() << " " << Symbol.getName();
  78 }