tools/llvm-pdbdump/PrettyTypedefDumper.cpp

   1 //===- PrettyTypedefDumper.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 "PrettyTypedefDumper.h"
  11
  12 #include "LinePrinter.h"
  13 #include "PrettyBuiltinDumper.h"
  14 #include "PrettyFunctionDumper.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 using namespace llvm::pdb;
  27
  28 TypedefDumper::TypedefDumper(LinePrinter &P) : PDBSymDumper(true), Printer(P) {}
  29
  30 void TypedefDumper::start(const PDBSymbolTypeTypedef &Symbol) {
  31   WithColor(Printer, PDB_ColorItem::Keyword).get() << "typedef ";
  32   uint32_t TargetId = Symbol.getTypeId();
  33   if (auto TypeSymbol = Symbol.getSession().getSymbolById(TargetId))
  34     TypeSymbol->dump(*this);
  35   WithColor(Printer, PDB_ColorItem::Identifier).get() << " "
  36                                                       << Symbol.getName();
  37 }
  38
  39 void TypedefDumper::dump(const PDBSymbolTypeArray &Symbol) {}
  40
  41 void TypedefDumper::dump(const PDBSymbolTypeBuiltin &Symbol) {
  42   BuiltinDumper Dumper(Printer);
  43   Dumper.start(Symbol);
  44 }
  45
  46 void TypedefDumper::dump(const PDBSymbolTypeEnum &Symbol) {
  47   WithColor(Printer, PDB_ColorItem::Keyword).get() << "enum ";
  48   WithColor(Printer, PDB_ColorItem::Type).get() << " " << Symbol.getName();
  49 }
  50
  51 void TypedefDumper::dump(const PDBSymbolTypePointer &Symbol) {
  52   if (Symbol.isConstType())
  53     WithColor(Printer, PDB_ColorItem::Keyword).get() << "const ";
  54   if (Symbol.isVolatileType())
  55     WithColor(Printer, PDB_ColorItem::Keyword).get() << "volatile ";
  56   uint32_t PointeeId = Symbol.getTypeId();
  57   auto PointeeType = Symbol.getSession().getSymbolById(PointeeId);
  58   if (!PointeeType)
  59     return;
  60   if (auto FuncSig = dyn_cast<PDBSymbolTypeFunctionSig>(PointeeType.get())) {
  61     FunctionDumper::PointerType Pointer = FunctionDumper::PointerType::Pointer;
  62     if (Symbol.isReference())
  63       Pointer = FunctionDumper::PointerType::Reference;
  64     FunctionDumper NestedDumper(Printer);
  65     NestedDumper.start(*FuncSig, nullptr, Pointer);
  66   } else {
  67     PointeeType->dump(*this);
  68     Printer << ((Symbol.isReference()) ? "&" : "*");
  69   }
  70 }
  71
  72 void TypedefDumper::dump(const PDBSymbolTypeFunctionSig &Symbol) {
  73   FunctionDumper Dumper(Printer);
  74   Dumper.start(Symbol, nullptr, FunctionDumper::PointerType::None);
  75 }
  76
  77 void TypedefDumper::dump(const PDBSymbolTypeUDT &Symbol) {
  78   WithColor(Printer, PDB_ColorItem::Keyword).get() << "class ";
  79   WithColor(Printer, PDB_ColorItem::Type).get() << Symbol.getName();
  80 }