| /* Distributed under the OSI-approved BSD 3-Clause License. See accompanying |
| file Copyright.txt or https://cmake.org/licensing for details. */ |
| #ifndef cmVariableWatchCommand_h |
| #define cmVariableWatchCommand_h |
| |
| #include <cmConfigure.h> |
| #include <set> |
| #include <string> |
| #include <vector> |
| |
| #include "cmCommand.h" |
| |
| class cmExecutionStatus; |
| |
| /** \class cmVariableWatchCommand |
| * \brief Watch when the variable changes and invoke command |
| * |
| */ |
| class cmVariableWatchCommand : public cmCommand |
| { |
| public: |
| /** |
| * This is a virtual constructor for the command. |
| */ |
| cmCommand* Clone() CM_OVERRIDE { return new cmVariableWatchCommand; } |
| |
| //! Default constructor |
| cmVariableWatchCommand(); |
| |
| //! Destructor. |
| ~cmVariableWatchCommand() CM_OVERRIDE; |
| |
| /** |
| * This is called when the command is first encountered in |
| * the CMakeLists.txt file. |
| */ |
| bool InitialPass(std::vector<std::string> const& args, |
| cmExecutionStatus& status) CM_OVERRIDE; |
| |
| /** |
| * This determines if the command is invoked when in script mode. |
| */ |
| bool IsScriptable() const CM_OVERRIDE { return true; } |
| |
| /** This command does not really have a final pass but it needs to |
| stay alive since it owns variable watch callback information. */ |
| bool HasFinalPass() const CM_OVERRIDE { return true; } |
| |
| /** |
| * The name of the command as specified in CMakeList.txt. |
| */ |
| std::string GetName() const CM_OVERRIDE { return "variable_watch"; } |
| |
| protected: |
| std::set<std::string> WatchedVariables; |
| }; |
| |
| #endif |