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77 lines
2.1 KiB
C++
77 lines
2.1 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#ifndef cmMathCommand_h
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#define cmMathCommand_h
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#include "cmCommand.h"
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/// Mathematical expressions: math(EXPR ...) command.
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class cmMathCommand : public cmCommand
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{
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public:
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/**
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* This is a virtual constructor for the command.
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*/
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virtual cmCommand* Clone()
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{
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return new cmMathCommand;
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}
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/**
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* This is called when the command is first encountered in
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* the CMakeLists.txt file.
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*/
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virtual bool InitialPass(std::vector<std::string> const& args,
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cmExecutionStatus &status);
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/**
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* This determines if the command is invoked when in script mode.
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*/
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virtual bool IsScriptable() const { return true; }
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/**
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* The name of the command as specified in CMakeList.txt.
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*/
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virtual const char* GetName() const { return "math";}
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/**
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* Succinct documentation.
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*/
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virtual const char* GetTerseDocumentation() const
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{
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return "Mathematical expressions.";
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}
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/**
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* More documentation.
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*/
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virtual const char* GetFullDocumentation() const
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{
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return
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" math(EXPR <output variable> <math expression>)\n"
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"EXPR evaluates mathematical expression and return result in the "
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"output variable. Example mathematical expression is "
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"'5 * ( 10 + 13 )'. Supported operators are "
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"+ - * / % | & ^ ~ << >> * / %. They have the same meaning "
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" as they do in c code.";
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}
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cmTypeMacro(cmMathCommand, cmCommand);
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protected:
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bool HandleExprCommand(std::vector<std::string> const& args);
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};
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#endif
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