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 
TypedefDumper(LinePrinter & P)27 TypedefDumper::TypedefDumper(LinePrinter &P) : PDBSymDumper(true), Printer(P) {}
28 
start(const PDBSymbolTypeTypedef & Symbol)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 
dump(const PDBSymbolTypeArray & Symbol)38 void TypedefDumper::dump(const PDBSymbolTypeArray &Symbol) {}
39 
dump(const PDBSymbolTypeBuiltin & Symbol)40 void TypedefDumper::dump(const PDBSymbolTypeBuiltin &Symbol) {
41   BuiltinDumper Dumper(Printer);
42   Dumper.start(Symbol);
43 }
44 
dump(const PDBSymbolTypeEnum & Symbol)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 
dump(const PDBSymbolTypePointer & Symbol)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 
dump(const PDBSymbolTypeFunctionSig & Symbol)71 void TypedefDumper::dump(const PDBSymbolTypeFunctionSig &Symbol) {
72   FunctionDumper Dumper(Printer);
73   Dumper.start(Symbol, nullptr, FunctionDumper::PointerType::None);
74 }
75 
dump(const PDBSymbolTypeUDT & Symbol)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 }
80