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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 using namespace llvm::pdb;
27 
TypedefDumper(LinePrinter & P)28 TypedefDumper::TypedefDumper(LinePrinter &P) : PDBSymDumper(true), Printer(P) {}
29 
start(const PDBSymbolTypeTypedef & Symbol)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 
dump(const PDBSymbolTypeArray & Symbol)39 void TypedefDumper::dump(const PDBSymbolTypeArray &Symbol) {}
40 
dump(const PDBSymbolTypeBuiltin & Symbol)41 void TypedefDumper::dump(const PDBSymbolTypeBuiltin &Symbol) {
42   BuiltinDumper Dumper(Printer);
43   Dumper.start(Symbol);
44 }
45 
dump(const PDBSymbolTypeEnum & Symbol)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 
dump(const PDBSymbolTypePointer & Symbol)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 
dump(const PDBSymbolTypeFunctionSig & Symbol)72 void TypedefDumper::dump(const PDBSymbolTypeFunctionSig &Symbol) {
73   FunctionDumper Dumper(Printer);
74   Dumper.start(Symbol, nullptr, FunctionDumper::PointerType::None);
75 }
76 
dump(const PDBSymbolTypeUDT & Symbol)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 }
81