63 строки
1.8 KiB
C++
63 строки
1.8 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 cmVariableWatchCommand_h
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#define cmVariableWatchCommand_h
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#include "cmCommand.h"
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/** \class cmVariableWatchCommand
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* \brief Watch when the variable changes and invoke command
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*
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*/
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class cmVariableWatchCommand : 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() { return new cmVariableWatchCommand; }
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//! Default constructor
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cmVariableWatchCommand();
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//! Destructor.
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~cmVariableWatchCommand();
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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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/** This command does not really have a final pass but it needs to
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stay alive since it owns variable watch callback information. */
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virtual bool HasFinalPass() 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 std::string GetName() const { return "variable_watch"; }
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cmTypeMacro(cmVariableWatchCommand, cmCommand);
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protected:
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std::set<std::string> WatchedVariables;
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};
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#endif
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