mirror of
https://github.com/reactos/CMake.git
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124 lines
3.7 KiB
C++
124 lines
3.7 KiB
C++
/*=========================================================================
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Program: CMake - Cross-Platform Makefile Generator
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Module: $RCSfile$
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Language: C++
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Date: $Date$
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Version: $Revision$
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Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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#ifndef cmForEachCommand_h
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#define cmForEachCommand_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 cmForEachFunctionBlocker
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* \brief subclass of function blocker
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*
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*
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*/
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class cmForEachFunctionBlocker : public cmFunctionBlocker
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{
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public:
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cmForEachFunctionBlocker() {m_Executing = false;}
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virtual ~cmForEachFunctionBlocker() {}
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virtual bool IsFunctionBlocked(const cmListFileFunction& lff,
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cmMakefile &mf);
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virtual bool ShouldRemove(const cmListFileFunction& lff, cmMakefile &mf);
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virtual void ScopeEnded(cmMakefile &mf);
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std::vector<std::string> m_Args;
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std::vector<cmListFileFunction> m_Functions;
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bool m_Executing;
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};
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/** \class cmForEachCommand
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* \brief starts an if block
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*
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* cmForEachCommand starts an if block
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*/
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class cmForEachCommand : 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 cmForEachCommand;
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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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/**
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* This determines if the command gets propagated down
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* to makefiles located in subdirectories.
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*/
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virtual bool IsInherited() {return true;}
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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() { 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() { return "FOREACH";}
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/**
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* Succinct documentation.
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*/
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virtual const char* GetTerseDocumentation()
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{
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return "Evaluate a group of commands for each value in a list.";
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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()
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{
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return
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" FOREACH(loop_var arg1 arg2 ...)\n"
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" COMMAND1(ARGS ...)\n"
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" COMMAND2(ARGS ...)\n"
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" ...\n"
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" ENDFOREACH(loop_var)\n"
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" FOREACH(loop_var RANGE total)\n"
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" FOREACH(loop_var RANGE start stop [step])\n"
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"All commands between FOREACH and the matching ENDFOREACH are recorded "
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"without being invoked. Once the ENDFOREACH is evaluated, the "
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"recorded list of commands is invoked once for each argument listed "
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"in the original FOREACH command. Each recorded command is modified "
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"before invocation to replace any occurrence of \"${loop_var}\" with "
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"the current value in the list.\n"
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"Foreach can also iterate over the range of numbers generated by "
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"foreach. There are three types of this iteration:\n"
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"* When specifying single number, the range will have elements "
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"0 to \"total\".\n"
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"* When specifying two numbers, the range will have elements from "
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"the first number to the second number.\n"
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"* The third optional number is the increment used to iterate from "
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"the first number to the second number.";
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}
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cmTypeMacro(cmForEachCommand, cmCommand);
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};
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#endif
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