110 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			110 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===- PDBSymbolCompiland.cpp - compiland details ---------------*- C++ -*-===//
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| //
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| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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| // See https://llvm.org/LICENSE.txt for license information.
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| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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| //
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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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| 
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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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| 
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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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| 
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| using namespace llvm;
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| using namespace llvm::pdb;
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| 
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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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| 
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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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| 
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| std::string PDBSymbolCompiland::getSourceFileFullPath() const {
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|   std::string SourceFileFullPath;
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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|     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", Lang == PDB_Lang::Cpp)
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|               .Case(".cc", Lang == PDB_Lang::Cpp)
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|               .Case(".cxx", Lang == PDB_Lang::Cpp)
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|               .Case(".c", Lang == PDB_Lang::C)
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|               .Case(".asm", Lang == PDB_Lang::Masm)
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|               .Case(".swift", Lang == PDB_Lang::Swift)
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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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| 
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|   return SourceFileFullPath;
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| }
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