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113 lines
3.4 KiB
C
113 lines
3.4 KiB
C
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/*=========================================================================
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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 cmFunctionCommand_h
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#define cmFunctionCommand_h
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#include "cmCommand.h"
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#include "cmFunctionBlocker.h"
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/** \class cmFunctionFunctionBlocker
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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 cmFunctionFunctionBlocker : public cmFunctionBlocker
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{
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public:
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cmFunctionFunctionBlocker() {this->Depth=0;}
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virtual ~cmFunctionFunctionBlocker() {}
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virtual bool IsFunctionBlocked(const cmListFileFunction&, cmMakefile &mf);
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virtual bool ShouldRemove(const cmListFileFunction&, cmMakefile &mf);
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virtual void ScopeEnded(cmMakefile &mf);
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std::vector<std::string> Args;
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std::vector<cmListFileFunction> Functions;
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int Depth;
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};
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/** \class cmFunctionCommand
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* \brief starts an if block
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*
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* cmFunctionCommand starts an if block
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*/
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class cmFunctionCommand : 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 cmFunctionCommand;
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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 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 "function";}
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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 "Start recording a function for later invocation as a command.";
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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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" function(<name> [arg1 [arg2 [arg3 ...]]])\n"
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" COMMAND1(ARGS ...)\n"
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" COMMAND2(ARGS ...)\n"
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" ...\n"
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" endfunction(<name>)\n"
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"Define a function named <name> that takes arguments named "
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"arg1 arg2 arg3 (...). Commands listed after function, "
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"but before the matching endfunction, are not invoked until the function "
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"is invoked. When it is invoked, the commands recorded in the "
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"function are first modified by replacing formal parameters (${arg1}) "
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"with the arguments passed, and then invoked as normal commands. In "
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"addition to referencing the formal parameters you can reference "
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"the variable ARGC which will be set to the number of arguments "
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"passed into the function as well as ARGV0 ARGV1 ARGV2 ... which "
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"will have the actual values of the arguments passed in. This "
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"facilitates creating functions with optional arguments. Additionally "
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"ARGV holds the list of all arguments given to the function and ARGN "
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"holds the list of argument pass the last expected argument.";
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}
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cmTypeMacro(cmFunctionCommand, cmCommand);
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};
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#endif
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