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/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile: cmMathCommand.h,v $
Language: C++
Date: $Date: 2008-01-23 15:27:59 $
Version: $Revision: 1.5 $
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 cmMathCommand_h
#define cmMathCommand_h
#include "cmCommand.h"
/** \class cmMathCommand
* \brief Common string operations
*
*/
class cmMathCommand : public cmCommand
{
public:
/**
* This is a virtual constructor for the command.
*/
virtual cmCommand* Clone()
{
return new cmMathCommand;
}
/**
* This is called when the command is first encountered in
* the CMakeLists.txt file.
*/
virtual bool InitialPass(std::vector<std::string> const& args,
cmExecutionStatus &status);
/**
* This determines if the command is invoked when in script mode.
*/
virtual bool IsScriptable() { return true; }
/**
* The name of the command as specified in CMakeList.txt.
*/
virtual const char* GetName() { return "math";}
/**
* Succinct documentation.
*/
virtual const char* GetTerseDocumentation()
{
return "Mathematical expressions.";
}
/**
* More documentation.
*/
virtual const char* GetFullDocumentation()
{
return
" math(EXPR <output variable> <math expression>)\n"
"EXPR evaluates mathematical expression and return result in the "
"output variable. Example mathematical expression is "
"'5 * ( 10 + 13 )'. Supported operators are "
"+ - * / % | & ^ ~ << >> * / %. They have the same meaning "
" as they do in c code.";
}
cmTypeMacro(cmMathCommand, cmCommand);
protected:
bool HandleExprCommand(std::vector<std::string> const& args);
};
#endif
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