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