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, raw_ostream &OS,
  30                           int Indent) {
  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(OS, 0, *this);
  35   WithColor(Printer, PDB_ColorItem::Type).get() << " " << Symbol.getName();
  36 }
  37
  38 void TypedefDumper::dump(const PDBSymbolTypeArray &Symbol, raw_ostream &OS,
  39                          int Indent) {}
  40
  41 void TypedefDumper::dump(const PDBSymbolTypeBuiltin &Symbol, raw_ostream &OS,
  42                          int Indent) {
  43   BuiltinDumper Dumper(Printer);
  44   Dumper.start(Symbol, OS);
  45 }
  46
  47 void TypedefDumper::dump(const PDBSymbolTypeEnum &Symbol, raw_ostream &OS,
  48                          int Indent) {
  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, raw_ostream &OS,
  54                          int Indent) {
  55   if (Symbol.isConstType())
  56     WithColor(Printer, PDB_ColorItem::Keyword).get() << "const ";
  57   if (Symbol.isVolatileType())
  58     WithColor(Printer, PDB_ColorItem::Keyword).get() << "volatile ";
  59   uint32_t PointeeId = Symbol.getTypeId();
  60   auto PointeeType = Symbol.getSession().getSymbolById(PointeeId);
  61   if (!PointeeType)
  62     return;
  63   if (auto FuncSig = dyn_cast<PDBSymbolTypeFunctionSig>(PointeeType.get())) {
  64     FunctionDumper::PointerType Pointer = FunctionDumper::PointerType::Pointer;
  65     if (Symbol.isReference())
  66       Pointer = FunctionDumper::PointerType::Reference;
  67     FunctionDumper NestedDumper(Printer);
  68     NestedDumper.start(*FuncSig, nullptr, Pointer, OS);
  69   } else {
  70     PointeeType->dump(OS, Indent, *this);
  71     OS << ((Symbol.isReference()) ? "&" : "*");
  72   }
  73 }
  74
  75 void TypedefDumper::dump(const PDBSymbolTypeFunctionSig &Symbol,
  76                          raw_ostream &OS, int Indent) {
  77   FunctionDumper Dumper(Printer);
  78   Dumper.start(Symbol, nullptr, FunctionDumper::PointerType::None, OS);
  79 }
  80
  81 void TypedefDumper::dump(const PDBSymbolTypeUDT &Symbol, raw_ostream &OS,
  82                          int Indent) {
  83   WithColor(Printer, PDB_ColorItem::Keyword).get() << "class ";
  84   WithColor(Printer, PDB_ColorItem::Type).get() << " " << Symbol.getName();
  85 }