forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			110 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			110 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C++
		
	
	
	
//===- 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)
 | 
						|
              .Default(false))
 | 
						|
        return File->getFileName();
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  return SourceFileFullPath;
 | 
						|
}
 |