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//===- VariableDumper.cpp - -------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "VariableDumper.h"
#include "llvm-pdbdump.h"
#include "FunctionDumper.h"
#include "llvm/DebugInfo/PDB/PDBSymbolData.h"
#include "llvm/DebugInfo/PDB/PDBSymbolFunc.h"
#include "llvm/DebugInfo/PDB/PDBSymbolTypeArray.h"
#include "llvm/DebugInfo/PDB/PDBSymbolTypeBuiltin.h"
#include "llvm/DebugInfo/PDB/PDBSymbolTypePointer.h"
#include "llvm/DebugInfo/PDB/PDBSymbolTypeTypedef.h"
#include "llvm/DebugInfo/PDB/PDBSymbolTypeEnum.h"
#include "llvm/DebugInfo/PDB/PDBSymbolTypeUDT.h"
#include "llvm/Support/Format.h"
using namespace llvm;
VariableDumper::VariableDumper() : PDBSymDumper(true) {}
void VariableDumper::start(const PDBSymbolData &Var, raw_ostream &OS,
int Indent) {
OS << newline(Indent);
OS << "data ";
auto VarType = Var.getType();
switch (auto LocType = Var.getLocationType()) {
case PDB_LocType::Static:
OS << "[" << format_hex(Var.getRelativeVirtualAddress(), 10) << "] ";
OS << "static ";
dumpSymbolTypeAndName(*VarType, Var.getName(), OS);
break;
case PDB_LocType::Constant:
OS << "const ";
dumpSymbolTypeAndName(*VarType, Var.getName(), OS);
OS << "[" << Var.getValue() << "]";
break;
case PDB_LocType::ThisRel:
OS << "+" << format_hex(Var.getOffset(), 4) << " ";
dumpSymbolTypeAndName(*VarType, Var.getName(), OS);
break;
default:
break;
OS << "unknown(" << LocType << ") " << Var.getName();
}
}
void VariableDumper::dump(const PDBSymbolTypeBuiltin &Symbol, raw_ostream &OS,
int Indent) {
OS << Symbol.getBuiltinType();
}
void VariableDumper::dump(const PDBSymbolTypeEnum &Symbol, raw_ostream &OS,
int Indent) {
OS << Symbol.getName();
}
void VariableDumper::dump(const PDBSymbolTypeFunctionSig &Symbol,
raw_ostream &OS, int Indent) {}
void VariableDumper::dump(const PDBSymbolTypePointer &Symbol, raw_ostream &OS,
int Indent) {
auto PointeeType = Symbol.getPointeeType();
if (!PointeeType)
return;
if (auto Func = dyn_cast<PDBSymbolFunc>(PointeeType.get())) {
FunctionDumper NestedDumper;
FunctionDumper::PointerType Pointer =
Symbol.isReference() ? FunctionDumper::PointerType::Reference
: FunctionDumper::PointerType::Pointer;
NestedDumper.start(*Func, Pointer, OS, Indent);
} else {
if (Symbol.isConstType())
OS << "const ";
if (Symbol.isVolatileType())
OS << "volatile ";
PointeeType->dump(OS, Indent, *this);
OS << (Symbol.isReference() ? "&" : "*");
}
}
void VariableDumper::dump(const PDBSymbolTypeTypedef &Symbol, raw_ostream &OS,
int Indent) {
OS << "typedef " << Symbol.getName();
}
void VariableDumper::dump(const PDBSymbolTypeUDT &Symbol, raw_ostream &OS,
int Indent) {
OS << Symbol.getName();
}
void VariableDumper::dumpSymbolTypeAndName(const PDBSymbol &Type,
StringRef Name, raw_ostream &OS) {
if (auto *ArrayType = dyn_cast<PDBSymbolTypeArray>(&Type)) {
std::string IndexSpec;
raw_string_ostream IndexStream(IndexSpec);
std::unique_ptr<PDBSymbol> ElementType = ArrayType->getElementType();
while (auto NestedArray = dyn_cast<PDBSymbolTypeArray>(ElementType.get())) {
IndexStream << "[" << NestedArray->getCount() << "]";
ElementType = NestedArray->getElementType();
}
IndexStream << "[" << ArrayType->getCount() << "]";
ElementType->dump(OS, 0, *this);
OS << " " << Name << IndexStream.str();
} else {
Type.dump(OS, 0, *this);
OS << " " << Name;
}
}
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