forked from OSchip/llvm-project
111 lines
3.8 KiB
C++
111 lines
3.8 KiB
C++
//===- PDBSymbolCompiland.cpp - compiland details ---------------*- 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 "llvm/DebugInfo/PDB/IPDBSession.h"
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#include "llvm/DebugInfo/PDB/IPDBSourceFile.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolCompiland.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolCompilandDetails.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolCompilandEnv.h"
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#include "llvm/DebugInfo/PDB/PDBSymDumper.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/Support/Path.h"
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#include <utility>
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using namespace llvm;
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using namespace llvm::pdb;
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void PDBSymbolCompiland::dump(PDBSymDumper &Dumper) const {
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Dumper.dump(*this);
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}
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std::string PDBSymbolCompiland::getSourceFileName() const {
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return sys::path::filename(getSourceFileFullPath()).str();
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}
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std::string PDBSymbolCompiland::getSourceFileFullPath() const {
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std::string SourceFileFullPath;
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// RecordedResult could be the basename, relative path or full path of the
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// source file. Usually it is retrieved and recorded from the command that
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// compiles this compiland.
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//
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// cmd FileName -> RecordedResult = .\\FileName
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// cmd (Path)\\FileName -> RecordedResult = (Path)\\FileName
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//
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std::string RecordedResult = RawSymbol->getSourceFileName();
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if (RecordedResult.empty()) {
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if (auto Envs = findAllChildren<PDBSymbolCompilandEnv>()) {
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std::string EnvWorkingDir, EnvSrc;
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while (auto Env = Envs->getNext()) {
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std::string Var = Env->getName();
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if (Var == "cwd") {
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EnvWorkingDir = Env->getValue();
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continue;
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}
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if (Var == "src") {
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EnvSrc = Env->getValue();
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if (sys::path::is_absolute(EnvSrc))
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return EnvSrc;
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RecordedResult = EnvSrc;
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continue;
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}
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}
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if (!EnvWorkingDir.empty() && !EnvSrc.empty()) {
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auto Len = EnvWorkingDir.length();
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if (EnvWorkingDir[Len - 1] != '/' && EnvWorkingDir[Len - 1] != '\\') {
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std::string Path = EnvWorkingDir + "\\" + EnvSrc;
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std::replace(Path.begin(), Path.end(), '/', '\\');
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// We will return it as full path if we can't find a better one.
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if (sys::path::is_absolute(Path))
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SourceFileFullPath = Path;
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}
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}
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}
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}
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if (!RecordedResult.empty()) {
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if (sys::path::is_absolute(RecordedResult))
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return RecordedResult;
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// This searches name that has same basename as the one in RecordedResult.
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auto OneSrcFile = Session.findOneSourceFile(
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this, RecordedResult, PDB_NameSearchFlags::NS_CaseInsensitive);
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if (OneSrcFile)
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return OneSrcFile->getFileName();
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}
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// At this point, we have to walk through all source files of this compiland,
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// and determine the right source file if any that is used to generate this
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// compiland based on language indicated in compilanddetails language field.
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auto Details = findOneChild<PDBSymbolCompilandDetails>();
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PDB_Lang Lang = Details ? Details->getLanguage() : PDB_Lang::Cpp;
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auto SrcFiles = Session.getSourceFilesForCompiland(*this);
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if (SrcFiles) {
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bool LangC = (Lang == PDB_Lang::Cpp || Lang == PDB_Lang::C);
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while (auto File = SrcFiles->getNext()) {
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std::string FileName = File->getFileName();
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auto file_extension = sys::path::extension(FileName);
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if (StringSwitch<bool>(file_extension.lower())
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.Case(".cpp", LangC)
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.Case(".c", LangC)
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.Case(".cc", LangC)
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.Case(".cxx", LangC)
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.Case(".asm", Lang == PDB_Lang::Masm)
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.Default(false))
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return File->getFileName();
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}
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}
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return SourceFileFullPath;
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}
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