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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 cmMakeDepend_h
#define cmMakeDepend_h
#include "cmMakefile.h"
#include "cmSourceFile.h"
#include "cmStandardIncludes.h"
#include <cmsys/RegularExpression.hxx>
/** \class cmDependInformation
* \brief Store dependency information for a single source file.
*
* This structure stores the depend information for a single source file.
*/
class cmDependInformation
{
public:
/**
* Construct with dependency generation marked not done; instance
* not placed in cmMakefile's list.
*/
cmDependInformation(): m_DependDone(false), m_cmSourceFile(0) {}
/**
* The set of files on which this one depends.
*/
typedef std::set<cmDependInformation*> DependencySet;
DependencySet m_DependencySet;
/**
* This flag indicates whether dependency checking has been
* performed for this file.
*/
bool m_DependDone;
/**
* If this object corresponds to a cmSourceFile instance, this points
* to it.
*/
const cmSourceFile *m_cmSourceFile;
/**
* Full path to this file.
*/
std::string m_FullPath;
/**
* Name used to #include this file.
*/
std::string m_IncludeName;
/**
* This method adds the dependencies of another file to this one.
*/
void AddDependencies(cmDependInformation*);
};
// cmMakeDepend is used to generate dependancy information for
// the classes in a makefile
class cmMakeDepend
{
public:
/**
* Construct the object with verbose turned off.
*/
cmMakeDepend();
/**
* Destructor.
*/
virtual ~cmMakeDepend();
/**
* Set the makefile that is used as a source of classes.
*/
virtual void SetMakefile(const cmMakefile* makefile);
/**
* Get the depend info struct for a source file
*/
const cmDependInformation *GetDependInformationForSourceFile(const cmSourceFile &sf) const;
/**
* Add a directory to the search path for include files.
*/
virtual void AddSearchPath(const char*);
/**
* Generate dependencies for all the sources of all the targets
* in the makefile.
*/
void GenerateMakefileDependencies();
/**
* Generate dependencies for the file given. Returns a pointer to
* the cmDependInformation object for the file.
*/
const cmDependInformation* FindDependencies(const char* file);
protected:
/**
* Add a source file to the search path.
*/
void AddFileToSearchPath(const char* filepath);
/**
* Compute the depend information for this class.
*/
virtual void DependWalk(cmDependInformation* info);
/**
* Add a dependency. Possibly walk it for more dependencies.
*/
virtual void AddDependency(cmDependInformation* info, const char* file);
/**
* Fill in the given object with dependency information. If the
* information is already complete, nothing is done.
*/
void GenerateDependInformation(cmDependInformation* info);
/**
* Get an instance of cmDependInformation corresponding to the given file
* name.
*/
cmDependInformation* GetDependInformation(const char* file, const char *extraPath);
/**
* Find the full path name for the given file name.
* This uses the include directories.
* TODO: Cache path conversions to reduce FileExists calls.
*/
std::string FullPath(const char *filename, const char *extraPath);
const cmMakefile* m_Makefile;
bool m_Verbose;
cmsys::RegularExpression m_IncludeFileRegularExpression;
cmsys::RegularExpression m_ComplainFileRegularExpression;
std::vector<std::string> m_IncludeDirectories;
typedef std::map<cmStdString, cmDependInformation*> DependInformationMap;
DependInformationMap m_DependInformationMap;
};
#endif
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