CMake/Source/cmDepends.h

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/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef cmDepends_h
#define cmDepends_h
#include "cmStandardIncludes.h"
/** \class cmDepends
* \brief Dependency scanner superclass.
*
* This class is responsible for maintaining a .depends.make file in
* the build tree corresponding to an object file. Subclasses help it
* maintain dependencies for particular languages.
*/
class cmDepends
{
public:
/** Instances need to know the build directory name and the relative
path from the build directory to the target file. */
cmDepends(const char* dir, const char* targetFile);
/** Virtual destructor to cleanup subclasses properly. */
virtual ~cmDepends();
/** Write dependencies for the target file. */
bool Write();
/** Check dependencies for the target file. */
void Check();
/** Clear dependencies for the target file so they will be regenerated. */
void Clear();
/** Get the name of the dependency make file. */
const char* GetMakeFileName();
/** Get the name of the dependency mark file. */
const char* GetMarkFileName();
protected:
// Write dependencies for the target file to the given stream.
// Return true for success and false for failure.
virtual bool WriteDependencies(std::ostream& os)=0;
// Check dependencies for the target file in the given stream.
// Return false if dependencies must be regenerated and true
// otherwise.
virtual bool CheckDependencies(std::istream& is)=0;
// The directory in which the build rule for the target file is executed.
std::string m_Directory;
// The name of the target file for which dependencies are maintained.
std::string m_TargetFile;
// The name of the .depends.make file corresponding to the target.
std::string m_DependsMakeFile;
// The name of the .depends file marking when dependencies were generated.
std::string m_DependsMarkFile;
private:
cmDepends(cmDepends const&); // Purposely not implemented.
void operator=(cmDepends const&); // Purposely not implemented.
};
#endif