CMake/Source/cmRaiseScopeCommand.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 cmRaiseScopeCommand_h
#define cmRaiseScopeCommand_h
#include "cmCommand.h"
/** \class cmRaiseScopeCommand
* \brief Raise the Scope a CMAKE variable one level up
*
* cmRaiseScopeCommand pushes the current state of a variable into
* the scope above the current scope.
*/
class cmRaiseScopeCommand : public cmCommand
{
public:
/**
* This is a virtual constructor for the command.
*/
virtual cmCommand* Clone()
{
return new cmRaiseScopeCommand;
}
/**
* This is called when the command is first encountered in
* the CMakeLists.txt file.
*/
virtual bool InitialPass(std::vector<std::string> const& args);
/**
* The name of the command as specified in CMakeList.txt.
*/
virtual const char* GetName() {return "raise_scope";}
/**
* Succinct documentation.
*/
virtual const char* GetTerseDocumentation()
{
return "Raise the scope of the variables listed.";
}
/**
* More documentation.
*/
virtual const char* GetFullDocumentation()
{
return
" raise_scope(VAR [VALUE])\n"
"Sets the value of a variable in the scope above the "
"current scope. Each new directory or function creates a new scope. "
"This command will set the value of a variable into the "
"parent directory or calling function (whichever is applicable to "
"the case at hand) If VALUE is not specified then the variable is "
"removed from the parent scope.";
}
/**
* This determines if the command is invoked when in script mode.
* mark_as_advanced() will have no effect in script mode, but this will
* make many of the modules usable in cmake/ctest scripts, (among them
* FindUnixMake.cmake used by the CTEST_BUILD command.
*/
virtual bool IsScriptable() { return true; }
cmTypeMacro(cmRaiseScopeCommand, cmCommand);
};
#endif