CMake/Source/cmMakeDepend.h

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
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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.
============================================================================*/
#ifndef cmMakeDepend_h
#define cmMakeDepend_h
#include "cmMakefile.h"
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#include "cmSourceFile.h"
#include <cmsys/RegularExpression.hxx>
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/** \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:
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/**
* Construct with dependency generation marked not done; instance
* not placed in cmMakefile's list.
*/
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cmDependInformation(): DependDone(false), SourceFile(0) {}
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/**
* The set of files on which this one depends.
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*/
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typedef std::set<cmDependInformation*> DependencySetType;
DependencySetType DependencySet;
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/**
* This flag indicates whether dependency checking has been
* performed for this file.
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*/
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bool DependDone;
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/**
* If this object corresponds to a cmSourceFile instance, this points
* to it.
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*/
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const cmSourceFile *SourceFile;
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/**
* Full path to this file.
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*/
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std::string FullPath;
/**
* Full path not including file name.
*/
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std::string PathOnly;
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/**
* Name used to #include this file.
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*/
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std::string IncludeName;
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/**
* 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:
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/**
* Construct the object with verbose turned off.
*/
cmMakeDepend();
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/**
* Destructor.
*/
virtual ~cmMakeDepend();
/**
* Set the makefile that is used as a source of classes.
*/
virtual void SetMakefile(cmMakefile* makefile);
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/**
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* Add a directory to the search path for include files.
*/
virtual void AddSearchPath(const char*);
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/**
* Generate dependencies for the file given. Returns a pointer to
* the cmDependInformation object for the file.
*/
const cmDependInformation* FindDependencies(const char* file);
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protected:
/**
* 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.
*/
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cmDependInformation* GetDependInformation(const char* file,
const char *extraPath);
/**
* Find the full path name for the given file name.
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* This uses the include directories.
* TODO: Cache path conversions to reduce FileExists calls.
*/
std::string FullPath(const char *filename, const char *extraPath);
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cmMakefile* Makefile;
bool Verbose;
cmsys::RegularExpression IncludeFileRegularExpression;
cmsys::RegularExpression ComplainFileRegularExpression;
std::vector<std::string> IncludeDirectories;
typedef std::map<cmStdString, cmStdString> FileToPathMapType;
typedef std::map<cmStdString, FileToPathMapType>
DirectoryToFileToPathMapType;
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typedef std::map<cmStdString, cmDependInformation*>
DependInformationMapType;
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DependInformationMapType DependInformationMap;
DirectoryToFileToPathMapType DirectoryToFileToPathMap;
};
#endif