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102 lines
2.9 KiB
C++
102 lines
2.9 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 cmWhileCommand_h
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#define cmWhileCommand_h
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#include "cmCommand.h"
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#include "cmFunctionBlocker.h"
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#include "cmListFileCache.h"
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class cmWhileFunctionBlocker : public cmFunctionBlocker
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{
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public:
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cmWhileFunctionBlocker() {this->Depth=0;}
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virtual ~cmWhileFunctionBlocker() {}
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virtual bool IsFunctionBlocked(const cmListFileFunction& lff,
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cmMakefile &mf,
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cmExecutionStatus &);
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virtual bool ShouldRemove(const cmListFileFunction& lff, cmMakefile &mf);
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std::vector<cmListFileArgument> Args;
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std::vector<cmListFileFunction> Functions;
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private:
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int Depth;
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};
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/// \brief Starts a while loop
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class cmWhileCommand : 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 cmWhileCommand;
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}
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/**
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* This overrides the default InvokeInitialPass implementation.
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* It records the arguments before expansion.
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*/
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virtual bool InvokeInitialPass(const std::vector<cmListFileArgument>& args,
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cmExecutionStatus &);
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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&,
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cmExecutionStatus &) { return false; }
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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 "while";}
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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 "Evaluate a group of commands while a condition is true";
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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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" while(condition)\n"
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" COMMAND1(ARGS ...)\n"
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" COMMAND2(ARGS ...)\n"
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" ...\n"
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" endwhile(condition)\n"
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"All commands between while and the matching endwhile are recorded "
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"without being invoked. Once the endwhile is evaluated, the "
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"recorded list of commands is invoked as long as the condition "
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"is true. The condition is evaluated using the same logic as the "
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"if command.";
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}
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cmTypeMacro(cmWhileCommand, cmCommand);
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};
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#endif
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