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122 lines
4.1 KiB
122 lines
4.1 KiB
/*=========================================================================
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Program: CMake - Cross-Platform Makefile Generator
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Module: $RCSfile: cmDepends.h,v $
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Language: C++
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Date: $Date: 2008-05-15 19:39:50 $
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Version: $Revision: 1.14.2.1 $
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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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#ifndef cmDepends_h
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#define cmDepends_h
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#include "cmStandardIncludes.h"
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class cmFileTimeComparison;
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class cmLocalGenerator;
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/** \class cmDepends
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* \brief Dependency scanner superclass.
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*
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* This class is responsible for maintaining a .depends.make file in
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* the build tree corresponding to an object file. Subclasses help it
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* maintain dependencies for particular languages.
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*/
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class cmDepends
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{
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public:
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/** Instances need to know the build directory name and the relative
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path from the build directory to the target file. */
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cmDepends(cmLocalGenerator* lg=0, const char* targetDir="");
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/** at what level will the compile be done from */
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void SetCompileDirectory(const char *dir) {this->CompileDirectory = dir;};
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/** Set the local generator for the directory in which we are
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scanning dependencies. This is not a full local generator; it
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has been setup to do relative path conversions for the current
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directory. */
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void SetLocalGenerator(cmLocalGenerator* lg) { this->LocalGenerator = lg; }
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/** Set the specific language to be scanned. */
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void SetLanguage(const char* lang) { this->Language = lang; }
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/** Set the target build directory. */
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void SetTargetDirectory(const char* dir) { this->TargetDirectory = dir; }
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/** should this be verbose in its output */
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void SetVerbose(bool verb) { this->Verbose = verb; }
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/** Virtual destructor to cleanup subclasses properly. */
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virtual ~cmDepends();
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/** Write dependencies for the target file. */
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bool Write(std::ostream &makeDepends, std::ostream &internalDepends);
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/** Check dependencies for the target file. Returns true if
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dependencies are okay and false if they must be generated. If
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they must be generated Clear has already been called to wipe out
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the old dependencies. */
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bool Check(const char *makeFile, const char* internalFile);
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/** Clear dependencies for the target file so they will be regenerated. */
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void Clear(const char *file);
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/** Set the file comparison object */
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void SetFileComparison(cmFileTimeComparison* fc) {
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this->FileComparison = fc; }
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protected:
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// Write dependencies for the target file to the given stream.
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// Return true for success and false for failure.
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virtual bool WriteDependencies(const char *src, const char* obj,
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std::ostream& makeDepends, std::ostream& internalDepends);
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// Check dependencies for the target file in the given stream.
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// Return false if dependencies must be regenerated and true
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// otherwise.
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virtual bool CheckDependencies(std::istream& internalDepends);
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// Finalize the dependency information for the target.
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virtual bool Finalize(std::ostream& makeDepends,
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std::ostream& internalDepends);
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// The directory in which the build rule for the target file is executed.
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std::string CompileDirectory;
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// The local generator.
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cmLocalGenerator* LocalGenerator;
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// Flag for verbose output.
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bool Verbose;
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cmFileTimeComparison* FileComparison;
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std::string Language;
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// The full path to the target's build directory.
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std::string TargetDirectory;
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size_t MaxPath;
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char* Dependee;
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char* Depender;
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// The include file search path.
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std::vector<std::string> IncludePath;
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void SetIncludePathFromLanguage(const char* lang);
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private:
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cmDepends(cmDepends const&); // Purposely not implemented.
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void operator=(cmDepends const&); // Purposely not implemented.
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};
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#endif
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