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//===- PDBSymbolCompiland.cpp - compiland details ---------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/DebugInfo/PDB/IPDBSession.h"
#include "llvm/DebugInfo/PDB/IPDBSourceFile.h"
#include "llvm/DebugInfo/PDB/PDBSymbolCompiland.h"
#include "llvm/DebugInfo/PDB/PDBSymbolCompilandDetails.h"
#include "llvm/DebugInfo/PDB/PDBSymbolCompilandEnv.h"
#include "llvm/DebugInfo/PDB/PDBSymDumper.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/Support/Path.h"
#include <utility>
using namespace llvm;
using namespace llvm::pdb;
void PDBSymbolCompiland::dump(PDBSymDumper &Dumper) const {
Dumper.dump(*this);
}
std::string PDBSymbolCompiland::getSourceFileName() const {
return sys::path::filename(getSourceFileFullPath()).str();
}
std::string PDBSymbolCompiland::getSourceFileFullPath() const {
std::string SourceFileFullPath;
// RecordedResult could be the basename, relative path or full path of the
// source file. Usually it is retrieved and recorded from the command that
// compiles this compiland.
//
// cmd FileName -> RecordedResult = .\\FileName
// cmd (Path)\\FileName -> RecordedResult = (Path)\\FileName
//
std::string RecordedResult = RawSymbol->getSourceFileName();
if (RecordedResult.empty()) {
if (auto Envs = findAllChildren<PDBSymbolCompilandEnv>()) {
std::string EnvWorkingDir, EnvSrc;
while (auto Env = Envs->getNext()) {
std::string Var = Env->getName();
if (Var == "cwd") {
EnvWorkingDir = Env->getValue();
continue;
}
if (Var == "src") {
EnvSrc = Env->getValue();
if (sys::path::is_absolute(EnvSrc))
return EnvSrc;
RecordedResult = EnvSrc;
continue;
}
}
if (!EnvWorkingDir.empty() && !EnvSrc.empty()) {
auto Len = EnvWorkingDir.length();
if (EnvWorkingDir[Len - 1] != '/' && EnvWorkingDir[Len - 1] != '\\') {
std::string Path = EnvWorkingDir + "\\" + EnvSrc;
std::replace(Path.begin(), Path.end(), '/', '\\');
// We will return it as full path if we can't find a better one.
if (sys::path::is_absolute(Path))
SourceFileFullPath = Path;
}
}
}
}
if (!RecordedResult.empty()) {
if (sys::path::is_absolute(RecordedResult))
return RecordedResult;
// This searches name that has same basename as the one in RecordedResult.
auto OneSrcFile = Session.findOneSourceFile(
this, RecordedResult, PDB_NameSearchFlags::NS_CaseInsensitive);
if (OneSrcFile)
return OneSrcFile->getFileName();
}
// At this point, we have to walk through all source files of this compiland,
// and determine the right source file if any that is used to generate this
// compiland based on language indicated in compilanddetails language field.
auto Details = findOneChild<PDBSymbolCompilandDetails>();
PDB_Lang Lang = Details ? Details->getLanguage() : PDB_Lang::Cpp;
auto SrcFiles = Session.getSourceFilesForCompiland(*this);
if (SrcFiles) {
while (auto File = SrcFiles->getNext()) {
std::string FileName = File->getFileName();
auto file_extension = sys::path::extension(FileName);
if (StringSwitch<bool>(file_extension.lower())
.Case(".cpp", Lang == PDB_Lang::Cpp)
.Case(".cc", Lang == PDB_Lang::Cpp)
.Case(".cxx", Lang == PDB_Lang::Cpp)
.Case(".c", Lang == PDB_Lang::C)
.Case(".asm", Lang == PDB_Lang::Masm)
.Case(".swift", Lang == PDB_Lang::Swift)
.Case(".rs", Lang == PDB_Lang::Rust)
.Default(false))
return File->getFileName();
}
}
return SourceFileFullPath;
}
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