cmGlobalXCodeGenerator.cxx

/*============================================================================
  CMake - Cross Platform Makefile Generator
  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium

  Distributed under the OSI-approved BSD License (the "License");
  see accompanying file Copyright.txt for details.

  This software is distributed WITHOUT ANY WARRANTY; without even the
  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the License for more information.
============================================================================*/
#include "cmGlobalXCodeGenerator.h"
#include "cmLocalXCodeGenerator.h"
#include "cmMakefile.h"
#include "cmXCodeObject.h"
#include "cmXCode21Object.h"
#include "cmake.h"
#include "cmGeneratedFileStream.h"
#include "cmComputeLinkInformation.h"
#include "cmSourceFile.h"
#include "cmCustomCommandGenerator.h"
#include "cmGeneratorTarget.h"
#include "cmGlobalGeneratorFactory.h"

#include <cmsys/auto_ptr.hxx>

//----------------------------------------------------------------------------
#if defined(CMAKE_BUILD_WITH_CMAKE)
#include "cmXMLParser.h"

// parse the xml file storing the installed version of Xcode on
// the machine
class cmXcodeVersionParser : public cmXMLParser
{
public:
  cmXcodeVersionParser(): Version("1.5") {}
  void StartElement(const std::string&, const char**)
    {
      this->Data = "";
    }
  void EndElement(const std::string& name)
    {
      if(name == "key")
        {
        this->Key = this->Data;
        }
      else if(name == "string")
        {
        if(this->Key == "CFBundleShortVersionString")
          {
          this->Version = this->Data;
          }
        }
    }
  void CharacterDataHandler(const char* data, int length)
    {
      this->Data.append(data, length);
    }
  std::string Version;
  std::string Key;
  std::string Data;
};
#endif

// Builds either an object list or a space-separated string from the
// given inputs.
class cmGlobalXCodeGenerator::BuildObjectListOrString
{
  cmGlobalXCodeGenerator *Generator;
  cmXCodeObject *Group;
  bool Empty;
  std::string String;

public:
  BuildObjectListOrString(cmGlobalXCodeGenerator *gen, bool buildObjectList)
    : Generator(gen), Group(0), Empty(true)
    {
    if (buildObjectList)
      {
      this->Group = this->Generator->CreateObject(cmXCodeObject::OBJECT_LIST);
      }
    }

  bool IsEmpty() const { return this->Empty; }

  void Add(const char *newString)
    {
    this->Empty = false;

    if (this->Group)
      {
      this->Group->AddObject(this->Generator->CreateString(newString));
      }
    else
      {
      this->String += newString;
      this->String += ' ';
      }
    }

  const std::string &GetString() const { return this->String; }

  cmXCodeObject *CreateList()
    {
    if (this->Group)
      {
      return this->Group;
      }
    else
      {
      return this->Generator->CreateString(this->String.c_str());
      }
    }
};

class cmGlobalXCodeGenerator::Factory : public cmGlobalGeneratorFactory
{
public:
  virtual cmGlobalGenerator* CreateGlobalGenerator(
                                              const std::string& name) const;

  virtual void GetDocumentation(cmDocumentationEntry& entry) const {
    cmGlobalXCodeGenerator::GetDocumentation(entry); }

  virtual void GetGenerators(std::vector<std::string>& names) const {
    names.push_back(cmGlobalXCodeGenerator::GetActualName()); }
};

//----------------------------------------------------------------------------
cmGlobalXCodeGenerator::cmGlobalXCodeGenerator(std::string const& version)
{
  this->VersionString = version;

  // Compute an integer form of the version number.
  unsigned int v[2] = {0,0};
  sscanf(this->VersionString.c_str(), "%u.%u", &v[0], &v[1]);
  this->XcodeVersion = 10*v[0] + v[1];

  this->FindMakeProgramFile = "CMakeFindXCode.cmake";
  this->RootObject = 0;
  this->MainGroupChildren = 0;
  this->SourcesGroupChildren = 0;
  this->ResourcesGroupChildren = 0;
  this->CurrentMakefile = 0;
  this->CurrentLocalGenerator = 0;
}

//----------------------------------------------------------------------------
cmGlobalGeneratorFactory* cmGlobalXCodeGenerator::NewFactory()
{
  return new Factory;
}

//----------------------------------------------------------------------------
cmGlobalGenerator* cmGlobalXCodeGenerator::Factory
::CreateGlobalGenerator(const std::string& name) const
{
  if (name != GetActualName())
    return 0;
#if defined(CMAKE_BUILD_WITH_CMAKE)
  cmXcodeVersionParser parser;
  std::string versionFile;
  {
  std::string out;
  std::string::size_type pos;
  if(cmSystemTools::RunSingleCommand("xcode-select --print-path", &out, 0, 0,
                                     cmSystemTools::OUTPUT_NONE) &&
     (pos = out.find(".app/"), pos != out.npos))
    {
    versionFile = out.substr(0, pos+5)+"Contents/version.plist";
    }
  }
  if(!versionFile.empty() && cmSystemTools::FileExists(versionFile.c_str()))
    {
    parser.ParseFile(versionFile.c_str());
    }
  else if (cmSystemTools::FileExists(
             "/Applications/Xcode.app/Contents/version.plist"))
    {
    parser.ParseFile
      ("/Applications/Xcode.app/Contents/version.plist");
    }
  else
    {
    parser.ParseFile
      ("/Developer/Applications/Xcode.app/Contents/version.plist");
    }
  cmsys::auto_ptr<cmGlobalXCodeGenerator>
    gg(new cmGlobalXCodeGenerator(parser.Version));
  if (gg->XcodeVersion == 20)
    {
    cmSystemTools::Message("Xcode 2.0 not really supported by cmake, "
                           "using Xcode 15 generator\n");
    gg->XcodeVersion = 15;
    }
  return gg.release();
#else
  std::cerr << "CMake should be built with cmake to use Xcode, "
    "default to Xcode 1.5\n";
  return new cmGlobalXCodeGenerator;
#endif
}

//----------------------------------------------------------------------------
bool cmGlobalXCodeGenerator::SetGeneratorToolset(std::string const& ts)
{
  if(this->XcodeVersion >= 30)
    {
    this->GeneratorToolset = ts;
    return true;
    }
  else
    {
    return cmGlobalGenerator::SetGeneratorToolset(ts);
    }
}

//----------------------------------------------------------------------------
void cmGlobalXCodeGenerator::EnableLanguage(std::vector<std::string>const&
                                            lang,
                                            cmMakefile * mf, bool optional)
{
  mf->AddDefinition("XCODE","1");
  mf->AddDefinition("XCODE_VERSION", this->VersionString.c_str());
  if(this->XcodeVersion == 15)
    {
    }
  else
    {
    if(!mf->GetDefinition("CMAKE_CONFIGURATION_TYPES"))
      {
      mf->AddCacheDefinition(
        "CMAKE_CONFIGURATION_TYPES",
        "Debug;Release;MinSizeRel;RelWithDebInfo",
        "Semicolon separated list of supported configuration types, "
        "only supports Debug, Release, MinSizeRel, and RelWithDebInfo, "
        "anything else will be ignored.",
        cmCacheManager::STRING);
      }
    }
  mf->AddDefinition("CMAKE_GENERATOR_NO_COMPILER_ENV", "1");
  if(!this->GeneratorToolset.empty())
    {
    mf->AddDefinition("CMAKE_XCODE_PLATFORM_TOOLSET",
                      this->GeneratorToolset.c_str());
    }
  this->cmGlobalGenerator::EnableLanguage(lang, mf, optional);
    const char* osxArch =
      mf->GetDefinition("CMAKE_OSX_ARCHITECTURES");
  const char* sysroot =
      mf->GetDefinition("CMAKE_OSX_SYSROOT");
  if(osxArch && sysroot)
    {
    this->Architectures.clear();
    cmSystemTools::ExpandListArgument(std::string(osxArch),
                                      this->Architectures);
    }
}

//----------------------------------------------------------------------------
void
cmGlobalXCodeGenerator::GenerateBuildCommand(
  std::vector<std::string>& makeCommand,
  const std::string& makeProgram,
  const std::string& projectName,
  const std::string& /*projectDir*/,
  const std::string& targetName,
  const std::string& config,
  bool /*fast*/,
  std::vector<std::string> const& makeOptions)
{
  // now build the test
  makeCommand.push_back(
    this->SelectMakeProgram(makeProgram, "xcodebuild")
    );

  makeCommand.push_back("-project");
  std::string projectArg = projectName;
  projectArg += ".xcode";
  if(this->XcodeVersion > 20)
    {
    projectArg += "proj";
    }
  makeCommand.push_back(projectArg);

  bool clean = false;
  std::string realTarget = targetName;
  if ( realTarget == "clean" )
    {
    clean = true;
    realTarget = "ALL_BUILD";
    }
  if(clean)
    {
    makeCommand.push_back("clean");
    }
  else
    {
    makeCommand.push_back("build");
    }
  makeCommand.push_back("-target");
  if (!realTarget.empty())
    {
    makeCommand.push_back(realTarget);
    }
  else
    {
    makeCommand.push_back("ALL_BUILD");
    }
  if(this->XcodeVersion == 15)
    {
    makeCommand.push_back("-buildstyle");
    makeCommand.push_back("Development");
    }
  else
    {
    makeCommand.push_back("-configuration");
    makeCommand.push_back(!config.empty()?config:"Debug");
    }
  makeCommand.insert(makeCommand.end(),
                     makeOptions.begin(), makeOptions.end());
}

//----------------------------------------------------------------------------
///! Create a local generator appropriate to this Global Generator
cmLocalGenerator *cmGlobalXCodeGenerator::CreateLocalGenerator()
{
  cmLocalGenerator *lg = new cmLocalXCodeGenerator;
  lg->SetGlobalGenerator(this);
  return lg;
}

//----------------------------------------------------------------------------
void cmGlobalXCodeGenerator::Generate()
{
  std::map<std::string, std::vector<cmLocalGenerator*> >::iterator it;
  // make sure extra targets are added before calling
  // the parent generate which will call trace depends
  for(it = this->ProjectMap.begin(); it!= this->ProjectMap.end(); ++it)
    {
    cmLocalGenerator* root = it->second[0];
    this->SetGenerationRoot(root);
    // add ALL_BUILD, INSTALL, etc
    this->AddExtraTargets(root, it->second);
    }
  this->cmGlobalGenerator::Generate();
  if(cmSystemTools::GetErrorOccuredFlag())
    {
    return;
    }
  for(it = this->ProjectMap.begin(); it!= this->ProjectMap.end(); ++it)
    {
    cmLocalGenerator* root = it->second[0];
    this->SetGenerationRoot(root);
    // now create the project
    this->OutputXCodeProject(root, it->second);
    }
}

//----------------------------------------------------------------------------
void cmGlobalXCodeGenerator::SetGenerationRoot(cmLocalGenerator* root)
{
  this->CurrentProject = root->GetMakefile()->GetProjectName();
  this->SetCurrentLocalGenerator(root);
  cmSystemTools::SplitPath(this->CurrentMakefile->GetCurrentDirectory(),
                           this->ProjectSourceDirectoryComponents);
  cmSystemTools::SplitPath(this->CurrentMakefile->GetCurrentOutputDirectory(),
                           this->ProjectOutputDirectoryComponents);

  this->CurrentXCodeHackMakefile =
    root->GetMakefile()->GetCurrentOutputDirectory();
  this->CurrentXCodeHackMakefile += "/CMakeScripts";
  cmSystemTools::MakeDirectory(this->CurrentXCodeHackMakefile.c_str());
  this->CurrentXCodeHackMakefile += "/XCODE_DEPEND_HELPER.make";
}

//----------------------------------------------------------------------------
std::string
cmGlobalXCodeGenerator::PostBuildMakeTarget(std::string const& tName,
                                            std::string const& configName)
{
  std::string target = tName;
  cmSystemTools::ReplaceString(target, " ", "_");
  std::string out = "PostBuild." + target;
  if(this->XcodeVersion > 20)
    {
    out += "." + configName;
    }
  return out;
}

//----------------------------------------------------------------------------
#define CMAKE_CHECK_BUILD_SYSTEM_TARGET "ZERO_CHECK"

//----------------------------------------------------------------------------
void
cmGlobalXCodeGenerator::AddExtraTargets(cmLocalGenerator* root,
                                        std::vector<cmLocalGenerator*>& gens)
{
  cmMakefile* mf = root->GetMakefile();

  // Add ALL_BUILD
  const char* no_working_directory = 0;
  std::vector<std::string> no_depends;
  mf->AddUtilityCommand("ALL_BUILD", true, no_depends,
                        no_working_directory,
                        "echo", "Build all projects");
  cmTarget* allbuild = mf->FindTarget("ALL_BUILD");

  // Refer to the main build configuration file for easy editing.
  std::string listfile = mf->GetStartDirectory();
  listfile += "/";
  listfile += "CMakeLists.txt";
  allbuild->AddSourceCMP0049(listfile.c_str());

  // Add XCODE depend helper
  std::string dir = mf->GetCurrentOutputDirectory();
  cmCustomCommandLine makeHelper;
  if(this->XcodeVersion < 50)
    {
    makeHelper.push_back("make");
    makeHelper.push_back("-C");
    makeHelper.push_back(dir.c_str());
    makeHelper.push_back("-f");
    makeHelper.push_back(this->CurrentXCodeHackMakefile.c_str());
    makeHelper.push_back(""); // placeholder, see below
    }

  // Add ZERO_CHECK
  bool regenerate = !mf->IsOn("CMAKE_SUPPRESS_REGENERATION");
  if (regenerate)
    {
    this->CreateReRunCMakeFile(root, gens);
    std::string file = this->ConvertToRelativeForMake(
      this->CurrentReRunCMakeMakefile.c_str());
    cmSystemTools::ReplaceString(file, "\\ ", " ");
    mf->AddUtilityCommand(CMAKE_CHECK_BUILD_SYSTEM_TARGET, true, no_depends,
                          no_working_directory,
                          "make", "-f", file.c_str());
    }

  // now make the allbuild depend on all the non-utility targets
  // in the project
  for(std::vector<cmLocalGenerator*>::iterator i = gens.begin();
      i != gens.end(); ++i)
    {
    cmLocalGenerator* lg = *i;
    if(this->IsExcluded(root, *i))
      {
      continue;
      }

    cmTargets& tgts = lg->GetMakefile()->GetTargets();
    for(cmTargets::iterator l = tgts.begin(); l != tgts.end(); l++)
      {
      cmTarget& target = l->second;

      if (regenerate && (l->first != CMAKE_CHECK_BUILD_SYSTEM_TARGET))
        {
        target.AddUtility(CMAKE_CHECK_BUILD_SYSTEM_TARGET);
        }

      // make all exe, shared libs and modules
      // run the depend check makefile as a post build rule
      // this will make sure that when the next target is built
      // things are up-to-date
      if(!makeHelper.empty() &&
         (target.GetType() == cmTarget::EXECUTABLE ||
// Nope - no post-build for OBJECT_LIRBRARY
//          target.GetType() == cmTarget::OBJECT_LIBRARY ||
          target.GetType() == cmTarget::STATIC_LIBRARY ||
          target.GetType() == cmTarget::SHARED_LIBRARY ||
          target.GetType() == cmTarget::MODULE_LIBRARY))
        {
        makeHelper[makeHelper.size()-1] = // fill placeholder
          this->PostBuildMakeTarget(target.GetName(), "$(CONFIGURATION)");
        cmCustomCommandLines commandLines;
        commandLines.push_back(makeHelper);
        lg->GetMakefile()->AddCustomCommandToTarget(target.GetName(),
                                                    no_depends,
                                                    commandLines,
                                                    cmTarget::POST_BUILD,
                                                    "Depend check for xcode",
                                                    dir.c_str());
        }

      if(target.GetType() != cmTarget::INTERFACE_LIBRARY
          && !target.GetPropertyAsBool("EXCLUDE_FROM_ALL"))
        {
        allbuild->AddUtility(target.GetName());
        }

      // Refer to the build configuration file for easy editing.
      listfile = lg->GetMakefile()->GetStartDirectory();
      listfile += "/";
      listfile += "CMakeLists.txt";
      target.AddSourceCMP0049(listfile.c_str());
      }
    }
}

//----------------------------------------------------------------------------
void cmGlobalXCodeGenerator::CreateReRunCMakeFile(
  cmLocalGenerator* root, std::vector<cmLocalGenerator*> const& gens)
{
  cmMakefile* mf = root->GetMakefile();
  std::vector<std::string> lfiles;
  for(std::vector<cmLocalGenerator*>::const_iterator gi = gens.begin();
      gi != gens.end(); ++gi)
    {
    std::vector<std::string> const& lf = (*gi)->GetMakefile()->GetListFiles();
    lfiles.insert(lfiles.end(), lf.begin(), lf.end());
    }

  // sort the array
  std::sort(lfiles.begin(), lfiles.end(), std::less<std::string>());
  std::vector<std::string>::iterator new_end =
    std::unique(lfiles.begin(), lfiles.end());
  lfiles.erase(new_end, lfiles.end());
  this->CurrentReRunCMakeMakefile = mf->GetStartOutputDirectory();
  this->CurrentReRunCMakeMakefile += "/CMakeScripts";
  cmSystemTools::MakeDirectory(this->CurrentReRunCMakeMakefile.c_str());
  this->CurrentReRunCMakeMakefile += "/ReRunCMake.make";
  cmGeneratedFileStream makefileStream
    (this->CurrentReRunCMakeMakefile.c_str());
  makefileStream.SetCopyIfDifferent(true);
  makefileStream << "# Generated by CMake, DO NOT EDIT\n";
  std::string checkCache = mf->GetHomeOutputDirectory();
  checkCache += "/";
  checkCache += cmake::GetCMakeFilesDirectoryPostSlash();
  checkCache += "cmake.check_cache";
  makefileStream << this->ConvertToRelativeForMake(checkCache.c_str())
                 << ": ";
  for(std::vector<std::string>::const_iterator i = lfiles.begin();
      i !=  lfiles.end(); ++i)
    {
    makefileStream << "\\\n" << this->ConvertToRelativeForMake(i->c_str());
    }
  std::string cmake = mf->GetRequiredDefinition("CMAKE_COMMAND");
  makefileStream << "\n\t" << this->ConvertToRelativeForMake(cmake.c_str())
                 << " -H" << this->ConvertToRelativeForMake(
                   mf->GetHomeDirectory())
                 << " -B" << this->ConvertToRelativeForMake(
                   mf->GetHomeOutputDirectory()) << "\n";
}

//----------------------------------------------------------------------------
void cmGlobalXCodeGenerator::ClearXCodeObjects()
{
  this->TargetDoneSet.clear();
  for(unsigned int i = 0; i < this->XCodeObjects.size(); ++i)
    {
    delete this->XCodeObjects[i];
    }
  this->XCodeObjects.clear();
  this->XCodeObjectIDs.clear();
  this->GroupMap.clear();
  this->GroupNameMap.clear();
  this->TargetGroup.clear();
  this->FileRefs.clear();
}

//----------------------------------------------------------------------------
void cmGlobalXCodeGenerator::addObject(cmXCodeObject *obj)
{
  if(obj->GetType() == cmXCodeObject::OBJECT)
    {
    std::string id = obj->GetId();

    // If this is a duplicate id, it's an error:
    //
    if(this->XCodeObjectIDs.count(id))
      {
      cmSystemTools::Error(
        "Xcode generator: duplicate object ids not allowed");
      }

    this->XCodeObjectIDs.insert(id);
    }

  this->XCodeObjects.push_back(obj);
}

//----------------------------------------------------------------------------
cmXCodeObject*
cmGlobalXCodeGenerator::CreateObject(cmXCodeObject::PBXType ptype)
{
  cmXCodeObject* obj;
  if(this->XcodeVersion == 15)
    {
    obj = new cmXCodeObject(ptype, cmXCodeObject::OBJECT);
    }
  else
    {
    obj = new cmXCode21Object(ptype, cmXCodeObject::OBJECT);
    }
  this->addObject(obj);
  return obj;
}

//----------------------------------------------------------------------------
cmXCodeObject*
cmGlobalXCodeGenerator::CreateObject(cmXCodeObject::Type type)
{
  cmXCodeObject* obj = new cmXCodeObject(cmXCodeObject::None, type);
  this->addObject(obj);
  return obj;
}

//----------------------------------------------------------------------------
cmXCodeObject*
cmGlobalXCodeGenerator::CreateString(const std::string& s)
{
  cmXCodeObject* obj = this->CreateObject(cmXCodeObject::STRING);
  obj->SetString(s);
  return obj;
}

//----------------------------------------------------------------------------
cmXCodeObject* cmGlobalXCodeGenerator
::CreateObjectReference(cmXCodeObject* ref)
{
  cmXCodeObject* obj = this->CreateObject(cmXCodeObject::OBJECT_REF);
  obj->SetObject(ref);
  return obj;
}

//----------------------------------------------------------------------------
std::string
GetGroupMapKeyFromPath(cmTarget& cmtarget, const std::string& fullpath)
{
  std::string key(cmtarget.GetName());
  key += "-";
  key += fullpath;
  return key;
}

//----------------------------------------------------------------------------
std::string
GetGroupMapKey(cmTarget& cmtarget, cmSourceFile* sf)
{
  return GetGroupMapKeyFromPath(cmtarget, sf->GetFullPath());
}

//----------------------------------------------------------------------------
cmXCodeObject*
cmGlobalXCodeGenerator::CreateXCodeSourceFileFromPath(
  const std::string &fullpath,
  cmTarget& cmtarget,
  const std::string &lang,
  cmSourceFile* sf)
{
  // Using a map and the full path guarantees that we will always get the same
  // fileRef object for any given full path.
  //
  cmXCodeObject* fileRef =
    this->CreateXCodeFileReferenceFromPath(fullpath, cmtarget, lang, sf);

  cmXCodeObject* buildFile = this->CreateObject(cmXCodeObject::PBXBuildFile);
  buildFile->SetComment(fileRef->GetComment());
  buildFile->AddAttribute("fileRef", this->CreateObjectReference(fileRef));

  return buildFile;
}

//----------------------------------------------------------------------------
cmXCodeObject*
cmGlobalXCodeGenerator::CreateXCodeSourceFile(cmLocalGenerator* lg,
                                              cmSourceFile* sf,
                                              cmTarget& cmtarget)
{
  // Add flags from target and source file properties.
  std::string flags;
  const char* srcfmt = sf->GetProperty("Fortran_FORMAT");
  switch(this->CurrentLocalGenerator->GetFortranFormat(srcfmt))
    {
    case cmLocalGenerator::FortranFormatFixed: flags="-fixed "+flags; break;
    case cmLocalGenerator::FortranFormatFree: flags="-free "+flags; break;
    default: break;
    }
  lg->AppendFlags(flags, sf->GetProperty("COMPILE_FLAGS"));

  // Add per-source definitions.
  BuildObjectListOrString flagsBuild(this, false);
  this->AppendDefines(flagsBuild,
                      sf->GetProperty("COMPILE_DEFINITIONS"), true);
  if (!flagsBuild.IsEmpty())
    {
    if (flags.size())
      {
      flags += ' ';
      }
    flags += flagsBuild.GetString();
    }

  std::string lang =
    this->CurrentLocalGenerator->GetSourceFileLanguage(*sf);

  cmXCodeObject* buildFile =
    this->CreateXCodeSourceFileFromPath(sf->GetFullPath(), cmtarget, lang, sf);
  cmXCodeObject* fileRef = buildFile->GetObject("fileRef")->GetObject();

  cmXCodeObject* settings =
    this->CreateObject(cmXCodeObject::ATTRIBUTE_GROUP);
  settings->AddAttribute("COMPILER_FLAGS", this->CreateString(flags.c_str()));

  // Is this a resource file in this target? Add it to the resources group...
  //
  cmGeneratorTarget::SourceFileFlags tsFlags =
            this->GetGeneratorTarget(&cmtarget)->GetTargetSourceFileFlags(sf);
  bool isResource = tsFlags.Type == cmGeneratorTarget::SourceFileTypeResource;

  // Is this a "private" or "public" framework header file?
  // Set the ATTRIBUTES attribute appropriately...
  //
  if(cmtarget.IsFrameworkOnApple())
    {
    if(tsFlags.Type == cmGeneratorTarget::SourceFileTypePrivateHeader)
      {
      cmXCodeObject* attrs = this->CreateObject(cmXCodeObject::OBJECT_LIST);
      attrs->AddObject(this->CreateString("Private"));
      settings->AddAttribute("ATTRIBUTES", attrs);
      isResource = true;
      }
    else if(tsFlags.Type == cmGeneratorTarget::SourceFileTypePublicHeader)
      {
      cmXCodeObject* attrs = this->CreateObject(cmXCodeObject::OBJECT_LIST);
      attrs->AddObject(this->CreateString("Public"));
      settings->AddAttribute("ATTRIBUTES", attrs);
      isResource = true;
      }
    }

  // Add the fileRef to the top level Resources group/folder if it is not
  // already there.
  //
  if(isResource && this->ResourcesGroupChildren &&
    !this->ResourcesGroupChildren->HasObject(fileRef))
    {
    this->ResourcesGroupChildren->AddObject(fileRef);
    }

  buildFile->AddAttribute("settings", settings);
  return buildFile;
}

//----------------------------------------------------------------------------
std::string
GetSourcecodeValueFromFileExtension(const std::string& _ext,
                                    const std::string& lang,
                                    bool& keepLastKnownFileType)
{
  std::string ext = cmSystemTools::LowerCase(_ext);
  std::string sourcecode = "sourcecode";

  if(ext == "o")
    {
    sourcecode = "compiled.mach-o.objfile";
    }
  else if(ext == "xib")
    {
    keepLastKnownFileType = true;
    sourcecode = "file.xib";
    }
  else if(ext == "storyboard")
    {
    keepLastKnownFileType = true;
    sourcecode = "file.storyboard";
    }
  else if(ext == "mm")
    {
    sourcecode += ".cpp.objcpp";
    }
  else if(ext == "m")
    {
    sourcecode += ".c.objc";
    }
  else if(ext == "plist")
    {
    sourcecode += ".text.plist";
    }
  else if(ext == "h")
    {
    sourcecode += ".c.h";
    }
  else if(ext == "hxx" || ext == "hpp" || ext == "txx"
    || ext == "pch" || ext == "hh")
    {
    sourcecode += ".cpp.h";
    }
  else if(ext == "png" || ext == "gif" || ext == "jpg")
    {
    keepLastKnownFileType = true;
    sourcecode = "image";
    }
  else if(ext == "txt")
    {
    sourcecode += ".text";
    }
  else if(lang == "CXX")
    {
    sourcecode += ".cpp.cpp";
    }
  else if(lang == "C")
    {
    sourcecode += ".c.c";
    }
  else if(lang == "Fortran")
    {
    sourcecode += ".fortran.f90";
    }
  else if(lang == "ASM")
    {
    sourcecode += ".asm";
    }
  //else
  //  {
  //  // Already specialized above or we leave sourcecode == "sourcecode"
  //  // which is probably the most correct choice. Extensionless headers,
  //  // for example... Or file types unknown to Xcode that do not map to a
  //  // valid explicitFileType value.
  //  }

  return sourcecode;
}

//----------------------------------------------------------------------------
cmXCodeObject*
cmGlobalXCodeGenerator::CreateXCodeFileReferenceFromPath(
  const std::string &fullpath,
  cmTarget& cmtarget,
  const std::string &lang,
  cmSourceFile* sf)
{
  std::string fname = fullpath;
  cmXCodeObject* fileRef = this->FileRefs[fname];
  if(!fileRef)
    {
    fileRef = this->CreateObject(cmXCodeObject::PBXFileReference);
    std::string comment = fname;
    fileRef->SetComment(fname.c_str());
    this->FileRefs[fname] = fileRef;
    }
  std::string key = GetGroupMapKeyFromPath(cmtarget, fullpath);
  cmXCodeObject* group = this->GroupMap[key];
  cmXCodeObject* children = group->GetObject("children");
  if (!children->HasObject(fileRef))
    {
    children->AddObject(fileRef);
    }
  fileRef->AddAttribute("fileEncoding", this->CreateString("4"));

  bool useLastKnownFileType = false;
  std::string fileType;
  if(sf)
    {
    if(const char* e = sf->GetProperty("XCODE_EXPLICIT_FILE_TYPE"))
      {
      fileType = e;
      }
    else if(const char* l = sf->GetProperty("XCODE_LAST_KNOWN_FILE_TYPE"))
      {
      useLastKnownFileType = true;
      fileType = l;
      }
    }
  if(fileType.empty())
    {
    // If fullpath references a directory, then we need to specify
    // lastKnownFileType as folder in order for Xcode to be able to
    // open the contents of the folder.
    // (Xcode 4.6 does not like explicitFileType=folder).
    if(cmSystemTools::FileIsDirectory(fullpath.c_str()))
      {
      fileType = "folder";
      useLastKnownFileType = true;
      }
    else
      {
      // Compute the extension without leading '.'.
      std::string ext = cmSystemTools::GetFilenameLastExtension(fullpath);
      if(!ext.empty())
        {
        ext = ext.substr(1);
        }

      fileType = GetSourcecodeValueFromFileExtension(
        ext, lang, useLastKnownFileType);
      }
    }

  fileRef->AddAttribute(useLastKnownFileType? "lastKnownFileType"
                                            : "explicitFileType",
                        this->CreateString(fileType));

  // Store the file path relative to the top of the source tree.
  std::string path = this->RelativeToSource(fullpath.c_str());
  std::string name = cmSystemTools::GetFilenameName(path.c_str());
  const char* sourceTree = (cmSystemTools::FileIsFullPath(path.c_str())?
                            "<absolute>" : "SOURCE_ROOT");
  fileRef->AddAttribute("name", this->CreateString(name.c_str()));
  fileRef->AddAttribute("path", this->CreateString(path.c_str()));
  fileRef->AddAttribute("sourceTree", this->CreateString(sourceTree));
  if(this->XcodeVersion == 15)
    {
    fileRef->AddAttribute("refType", this->CreateString("4"));
    }
  return fileRef;
}

//----------------------------------------------------------------------------
cmXCodeObject*
cmGlobalXCodeGenerator::CreateXCodeFileReference(cmSourceFile* sf,
                                                 cmTarget& cmtarget)
{
  std::string lang =
    this->CurrentLocalGenerator->GetSourceFileLanguage(*sf);

  return this->CreateXCodeFileReferenceFromPath(
    sf->GetFullPath(), cmtarget, lang, sf);
}

//----------------------------------------------------------------------------
bool cmGlobalXCodeGenerator::SpecialTargetEmitted(std::string const& tname)
{
  if(tname == "ALL_BUILD" || tname == "XCODE_DEPEND_HELPER" ||
     tname == "install" || tname == "package" || tname == "RUN_TESTS" ||
     tname == CMAKE_CHECK_BUILD_SYSTEM_TARGET )
    {
    if(this->TargetDoneSet.find(tname) != this->TargetDoneSet.end())
      {
      return true;
      }
    this->TargetDoneSet.insert(tname);
    return false;
    }
  return false;
}

//----------------------------------------------------------------------------
void cmGlobalXCodeGenerator::SetCurrentLocalGenerator(cmLocalGenerator* gen)
{
  this->CurrentLocalGenerator = gen;
  this->CurrentMakefile = gen->GetMakefile();
  std::string outdir =
    cmSystemTools::CollapseFullPath(this->CurrentMakefile->
                                    GetCurrentOutputDirectory());
  cmSystemTools::SplitPath(outdir.c_str(),
                           this->CurrentOutputDirectoryComponents);

  // Select the current set of configuration types.
  this->CurrentConfigurationTypes.clear();
  this->CurrentMakefile->GetConfigurations(this->CurrentConfigurationTypes);
  if(this->CurrentConfigurationTypes.empty())
    {
    this->CurrentConfigurationTypes.push_back("");
    }
}

//----------------------------------------------------------------------------
struct cmSourceFilePathCompare
{
  bool operator()(cmSourceFile* l, cmSourceFile* r)
  {
    return l->GetFullPath() < r->GetFullPath();
  }
};

//----------------------------------------------------------------------------
void
cmGlobalXCodeGenerator::CreateXCodeTargets(cmLocalGenerator* gen,
                                           std::vector<cmXCodeObject*>&
                                           targets)
{
  this->SetCurrentLocalGenerator(gen);
  cmTargets &tgts = this->CurrentMakefile->GetTargets();
  for(cmTargets::iterator l = tgts.begin(); l != tgts.end(); l++)