421 lines
13 KiB
C++
421 lines
13 KiB
C++
/*=========================================================================
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Program: CMake - Cross-Platform Makefile Generator
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Module: $RCSfile$
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Language: C++
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Date: $Date$
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Version: $Revision$
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Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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#include "cmSourceFile.h"
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#include "cmGlobalGenerator.h"
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#include "cmLocalGenerator.h"
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#include "cmMakefile.h"
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#include "cmSystemTools.h"
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#include "cmake.h"
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//----------------------------------------------------------------------------
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cmSourceFile::cmSourceFile(cmMakefile* mf, const char* name):
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Location(mf, name)
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{
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this->CustomCommand = 0;
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this->Properties.SetCMakeInstance(mf->GetCMakeInstance());
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this->FindFullPathFailed = false;
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}
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//----------------------------------------------------------------------------
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cmSourceFile::~cmSourceFile()
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{
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this->SetCustomCommand(0);
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}
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//----------------------------------------------------------------------------
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std::string const& cmSourceFile::GetExtension() const
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{
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return this->Extension;
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}
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//----------------------------------------------------------------------------
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const char* cmSourceFile::GetLanguage()
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{
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// Compute the final location of the file if necessary.
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if(this->FullPath.empty())
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{
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this->GetFullPath();
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}
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// Now try to determine the language.
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return static_cast<cmSourceFile const*>(this)->GetLanguage();
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}
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//----------------------------------------------------------------------------
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const char* cmSourceFile::GetLanguage() const
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{
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// If the language was set explicitly by the user then use it.
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if(const char* lang = this->GetProperty("LANGUAGE"))
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{
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return lang;
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}
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// If the language was determined from the source file extension use it.
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if(!this->Language.empty())
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{
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return this->Language.c_str();
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}
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// The language is not known.
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return 0;
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}
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//----------------------------------------------------------------------------
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std::string const& cmSourceFile::GetFullPath()
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{
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if(this->FullPath.empty())
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{
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if(this->FindFullPath())
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{
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this->CheckExtension();
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}
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}
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return this->FullPath;
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}
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//----------------------------------------------------------------------------
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std::string const& cmSourceFile::GetFullPath() const
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{
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return this->FullPath;
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}
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//----------------------------------------------------------------------------
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bool cmSourceFile::FindFullPath()
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{
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// If thie method has already failed once do not try again.
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if(this->FindFullPathFailed)
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{
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return false;
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}
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// If the file is generated compute the location without checking on
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// disk.
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if(this->GetPropertyAsBool("GENERATED"))
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{
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// The file is either already a full path or is relative to the
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// build directory for the target.
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this->Location.DirectoryUseBinary();
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this->FullPath = this->Location.GetDirectory();
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this->FullPath += "/";
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this->FullPath += this->Location.GetName();
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return true;
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}
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// The file is not generated. It must exist on disk.
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cmMakefile* mf = this->Location.GetMakefile();
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const char* tryDirs[3] = {0, 0, 0};
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if(this->Location.DirectoryIsAmbiguous())
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{
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tryDirs[0] = mf->GetCurrentDirectory();
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tryDirs[1] = mf->GetCurrentOutputDirectory();
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}
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else
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{
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tryDirs[0] = "";
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}
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const std::vector<std::string>& srcExts = mf->GetSourceExtensions();
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const std::vector<std::string>& hdrExts = mf->GetHeaderExtensions();
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for(const char* const* di = tryDirs; *di; ++di)
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{
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std::string tryPath = this->Location.GetDirectory();
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if(!tryPath.empty())
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{
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tryPath += "/";
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}
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tryPath += this->Location.GetName();
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tryPath = cmSystemTools::CollapseFullPath(tryPath.c_str(), *di);
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if(this->TryFullPath(tryPath.c_str(), 0))
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{
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return true;
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}
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for(std::vector<std::string>::const_iterator ei = srcExts.begin();
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ei != srcExts.end(); ++ei)
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{
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if(this->TryFullPath(tryPath.c_str(), ei->c_str()))
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{
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return true;
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}
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}
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for(std::vector<std::string>::const_iterator ei = hdrExts.begin();
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ei != hdrExts.end(); ++ei)
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{
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if(this->TryFullPath(tryPath.c_str(), ei->c_str()))
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{
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return true;
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}
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}
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}
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cmOStringStream e;
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e << "Cannot find source file \"" << this->Location.GetName() << "\"";
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e << "\n\nTried extensions";
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for(std::vector<std::string>::const_iterator ext = srcExts.begin();
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ext != srcExts.end(); ++ext)
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{
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e << " ." << *ext;
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}
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for(std::vector<std::string>::const_iterator ext = hdrExts.begin();
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ext != hdrExts.end(); ++ext)
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{
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e << " ." << *ext;
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}
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cmSystemTools::Error(e.str().c_str());
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this->FindFullPathFailed = true;
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return false;
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}
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//----------------------------------------------------------------------------
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bool cmSourceFile::TryFullPath(const char* tp, const char* ext)
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{
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std::string tryPath = tp;
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if(ext && *ext)
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{
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tryPath += ".";
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tryPath += ext;
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}
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if(cmSystemTools::FileExists(tryPath.c_str()))
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{
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this->FullPath = tryPath;
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return true;
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}
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return false;
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}
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//----------------------------------------------------------------------------
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void cmSourceFile::CheckExtension()
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{
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// Compute the extension.
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std::string realExt =
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cmSystemTools::GetFilenameLastExtension(this->FullPath);
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if(!realExt.empty())
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{
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// Store the extension without the leading '.'.
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this->Extension = realExt.substr(1);
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}
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// Look for object files.
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if(this->Extension == "obj" ||
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this->Extension == "o" ||
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this->Extension == "lo")
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{
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this->SetProperty("EXTERNAL_OBJECT", "1");
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}
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// Look for header files.
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cmMakefile* mf = this->Location.GetMakefile();
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const std::vector<std::string>& hdrExts = mf->GetHeaderExtensions();
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if(std::find(hdrExts.begin(), hdrExts.end(), this->Extension) ==
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hdrExts.end())
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{
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this->SetProperty("HEADER_FILE_ONLY", "0");
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}
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else
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{
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this->SetProperty("HEADER_FILE_ONLY", "1");
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}
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// Try to identify the source file language from the extension.
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cmGlobalGenerator* gg = mf->GetLocalGenerator()->GetGlobalGenerator();
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if(const char* l = gg->GetLanguageFromExtension(this->Extension.c_str()))
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{
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this->Language = l;
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}
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}
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//----------------------------------------------------------------------------
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bool cmSourceFile::Matches(cmSourceFileLocation const& loc)
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{
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return this->Location.Matches(loc);
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}
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//----------------------------------------------------------------------------
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void cmSourceFile::SetProperty(const char* prop, const char* value)
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{
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if (!prop)
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{
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return;
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}
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if (!value)
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{
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value = "NOTFOUND";
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}
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this->Properties.SetProperty(prop, value, cmProperty::SOURCE_FILE);
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}
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//----------------------------------------------------------------------------
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const char* cmSourceFile::GetProperty(const char* prop) const
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{
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// Check for computed properties.
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if(strcmp(prop, "LOCATION") == 0)
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{
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if(this->FullPath.empty())
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{
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return 0;
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}
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else
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{
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return this->FullPath.c_str();
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}
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}
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bool chain = false;
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const char *retVal =
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this->Properties.GetPropertyValue(prop, cmProperty::SOURCE_FILE, chain);
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if (chain)
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{
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cmMakefile* mf = this->Location.GetMakefile();
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return mf->GetProperty(prop,cmProperty::SOURCE_FILE);
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}
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return retVal;
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}
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//----------------------------------------------------------------------------
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bool cmSourceFile::GetPropertyAsBool(const char* prop) const
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{
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return cmSystemTools::IsOn(this->GetProperty(prop));
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}
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//----------------------------------------------------------------------------
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cmCustomCommand* cmSourceFile::GetCustomCommand()
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{
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return this->CustomCommand;
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}
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//----------------------------------------------------------------------------
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cmCustomCommand const* cmSourceFile::GetCustomCommand() const
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{
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return this->CustomCommand;
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}
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//----------------------------------------------------------------------------
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void cmSourceFile::SetCustomCommand(cmCustomCommand* cc)
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{
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cmCustomCommand* old = this->CustomCommand;
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this->CustomCommand = cc;
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delete old;
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}
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//----------------------------------------------------------------------------
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void cmSourceFile::DefineProperties(cmake *cm)
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{
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// define properties
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cm->DefineProperty
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("ABSTRACT", cmProperty::SOURCE_FILE,
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"Is this source file an abstract class.",
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"A property ona source file that indicates if the source file "
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"represents a class that is abstract. This only makes sense for "
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"languages that have a notion of an abstract class and it is "
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"only used by somw tools that wrap classes into other languages.");
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cm->DefineProperty
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("COMPILE_FLAGS", cmProperty::SOURCE_FILE,
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"Additional flags to be added when compiling this source file.",
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"These flags will be added to the list of compile flags when "
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"this source file.");
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cm->DefineProperty
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("EXTERNAL_OBJECT", cmProperty::SOURCE_FILE,
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"If set to true then this is an object file.",
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"If this property is set to true then the source file "
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"is really an object file and should not be compiled. "
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"It will still be linked into the target though.");
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cm->DefineProperty
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("EXTRA_CONTENT", cmProperty::SOURCE_FILE,
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"Is this file part of a target's extra content.",
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"If this property is set, the source file will be added to the "
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"target's list of extra content. This is used by makefile "
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"generators for some sort of Mac budle framework support.");
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cm->DefineProperty
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("GENERATED", cmProperty::SOURCE_FILE,
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"Is this source file generated as part of the build process.",
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"If a source file is generated by the build process CMake will "
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"handle it differently in temrs of dependency checking etc. "
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"Otherwise having a non-existent source file could create problems.");
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cm->DefineProperty
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("HEADER_FILE_ONLY", cmProperty::SOURCE_FILE,
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"Is this source file only a header file.",
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"A property ona source file that indicates if the source file "
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"is a header file with no associated implementation. This is "
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"set automatically based on the file extension and is used by "
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"CMake to determine is certain dependency information should be "
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"computed.");
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cm->DefineProperty
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("KEEP_EXTENSION", cmProperty::SOURCE_FILE,
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"Make th eoutput file have the same extension as the source file.",
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"If this property is set then the file extension of the output "
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"file will be the same as that of the source file. Normally "
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"the output file extension is computed based on the language "
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"of the source file, for example .cxx will go to a .o extension.");
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cm->DefineProperty
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("LANGUAGE", cmProperty::SOURCE_FILE,
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"What programming language is the file.",
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"A property that can be set to indicate what programming language "
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"the source file is. If it is not set the language is determined "
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"based on the file extension. Typical values are CXX C etc.");
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cm->DefineProperty
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("LOCATION", cmProperty::SOURCE_FILE,
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"The full path to a source file.",
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"A read only property on a SOURCE FILE that contains the full path "
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"to the source file.");
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cm->DefineProperty
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("MACOSX_PACKAGE_LOCATION", cmProperty::SOURCE_FILE,
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"Location for MACOSX bundles and frameworks.",
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"MACOSX_PACKAGE_LOCATION is the property of a file within a mac osx "
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"bundle or framework that specifies where this file should be "
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"copied. This makes sense for things like icons and other "
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"resources.");
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cm->DefineProperty
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("MACOSX_CONTENT", cmProperty::SOURCE_FILE,
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"If true then this is part of a MACOSX bundle or framework.",
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"MACOSX_CONTENT is a flag that if true this file will be copied "
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"to the bundle or framework.");
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cm->DefineProperty
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("OBJECT_DEPENDS", cmProperty::SOURCE_FILE,
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"Additional dependencies.",
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"Additional dependencies that should be checked as part of "
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"building this source file.");
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cm->DefineProperty
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("SYMBOLIC", cmProperty::SOURCE_FILE,
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"Is this just a name for a rule.",
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"If SYMBOLIC (boolean) is set to true the build system will be "
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"informed that the source file is not actually created on disk but "
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"instead used as a symbolic name for a build rule.");
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cm->DefineProperty
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("WRAP_EXCLUDE", cmProperty::SOURCE_FILE,
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"Exclude this source file from any code wrapping techniques.",
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"Some packages can wrap source files into alternate languages "
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"to provide additional functionality. For example, C++ code "
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"can be wrapped into Java or Python etc using SWIG etc. "
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"If WRAP_EXCLUDE is set to true (1 etc) that indicates then "
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"this source file should not be wrapped.");
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}
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