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//===- C13DebugFragmentVisitor.cpp -------------------------------*- C++-*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "C13DebugFragmentVisitor.h"
#include "llvm/DebugInfo/CodeView/ModuleDebugFileChecksumFragment.h"
#include "llvm/DebugInfo/CodeView/ModuleDebugInlineeLinesFragment.h"
#include "llvm/DebugInfo/CodeView/ModuleDebugLineFragment.h"
#include "llvm/DebugInfo/PDB/Native/PDBFile.h"
#include "llvm/DebugInfo/PDB/Native/PDBStringTable.h"
#include "llvm/DebugInfo/PDB/Native/RawError.h"
using namespace llvm;
using namespace llvm::codeview;
using namespace llvm::pdb;
C13DebugFragmentVisitor::C13DebugFragmentVisitor(PDBFile &F) : F(F) {}
C13DebugFragmentVisitor::~C13DebugFragmentVisitor() {}
Error C13DebugFragmentVisitor::visitUnknown(
codeview::ModuleDebugUnknownFragmentRef &Fragment) {
return Error::success();
}
Error C13DebugFragmentVisitor::visitFileChecksums(
codeview::ModuleDebugFileChecksumFragmentRef &Checksums) {
assert(!this->Checksums.hasValue());
this->Checksums = Checksums;
return Error::success();
}
Error C13DebugFragmentVisitor::visitLines(
codeview::ModuleDebugLineFragmentRef &Lines) {
this->Lines.push_back(Lines);
return Error::success();
}
Error C13DebugFragmentVisitor::visitInlineeLines(
codeview::ModuleDebugInlineeLineFragmentRef &Lines) {
this->InlineeLines.push_back(Lines);
return Error::success();
}
Error C13DebugFragmentVisitor::finished() {
if (!Checksums.hasValue()) {
assert(Lines.empty());
return Error::success();
}
if (auto EC = handleFileChecksums())
return EC;
if (auto EC = handleLines())
return EC;
if (auto EC = handleInlineeLines())
return EC;
return Error::success();
}
Expected<StringRef>
C13DebugFragmentVisitor::getNameFromStringTable(uint32_t Offset) {
auto ST = F.getStringTable();
if (!ST)
return ST.takeError();
return ST->getStringForID(Offset);
}
Expected<StringRef>
C13DebugFragmentVisitor::getNameFromChecksumsBuffer(uint32_t Offset) {
assert(Checksums.hasValue());
auto Array = Checksums->getArray();
auto ChecksumIter = Array.at(Offset);
if (ChecksumIter == Array.end())
return make_error<RawError>(raw_error_code::invalid_format);
const auto &Entry = *ChecksumIter;
return getNameFromStringTable(Entry.FileNameOffset);
}
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