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//===- PDBSymbolTypeFunctionSig.cpp - --------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionSig.h"
#include "llvm/DebugInfo/PDB/ConcreteSymbolEnumerator.h"
#include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
#include "llvm/DebugInfo/PDB/IPDBSession.h"
#include "llvm/DebugInfo/PDB/PDBSymbol.h"
#include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionArg.h"
#include "llvm/DebugInfo/PDB/PDBSymDumper.h"
#include <utility>
using namespace llvm;
namespace {
class FunctionArgEnumerator : public IPDBEnumSymbols {
public:
typedef ConcreteSymbolEnumerator<PDBSymbolTypeFunctionArg> ArgEnumeratorType;
FunctionArgEnumerator(const IPDBSession &PDBSession,
const PDBSymbolTypeFunctionSig &Sig)
: Session(PDBSession),
Enumerator(Sig.findAllChildren<PDBSymbolTypeFunctionArg>()) {}
FunctionArgEnumerator(const IPDBSession &PDBSession,
std::unique_ptr<ArgEnumeratorType> ArgEnumerator)
: Session(PDBSession), Enumerator(std::move(ArgEnumerator)) {}
uint32_t getChildCount() const override {
return Enumerator->getChildCount();
}
std::unique_ptr<PDBSymbol> getChildAtIndex(uint32_t Index) const override {
auto FunctionArgSymbol = Enumerator->getChildAtIndex(Index);
if (!FunctionArgSymbol)
return nullptr;
return Session.getSymbolById(FunctionArgSymbol->getTypeId());
}
std::unique_ptr<PDBSymbol> getNext() override {
auto FunctionArgSymbol = Enumerator->getNext();
if (!FunctionArgSymbol)
return nullptr;
return Session.getSymbolById(FunctionArgSymbol->getTypeId());
}
void reset() override { Enumerator->reset(); }
MyType *clone() const override {
std::unique_ptr<ArgEnumeratorType> Clone(Enumerator->clone());
return new FunctionArgEnumerator(Session, std::move(Clone));
}
private:
const IPDBSession &Session;
std::unique_ptr<ArgEnumeratorType> Enumerator;
};
}
PDBSymbolTypeFunctionSig::PDBSymbolTypeFunctionSig(
const IPDBSession &PDBSession, std::unique_ptr<IPDBRawSymbol> Symbol)
: PDBSymbol(PDBSession, std::move(Symbol)) {}
std::unique_ptr<PDBSymbol> PDBSymbolTypeFunctionSig::getReturnType() const {
return Session.getSymbolById(getTypeId());
}
std::unique_ptr<IPDBEnumSymbols>
PDBSymbolTypeFunctionSig::getArguments() const {
return llvm::make_unique<FunctionArgEnumerator>(Session, *this);
}
std::unique_ptr<PDBSymbol> PDBSymbolTypeFunctionSig::getClassParent() const {
uint32_t ClassId = getClassParentId();
if (ClassId == 0)
return nullptr;
return Session.getSymbolById(ClassId);
}
void PDBSymbolTypeFunctionSig::dump(PDBSymDumper &Dumper) const {
Dumper.dump(*this);
}
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