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96afb12087
This converts the CMake license to a pure 3-clause OSI-approved BSD License. We drop the previous license clause requiring modified versions to be plainly marked. We also update the CMake copyright to cover the full development time range.
126 lines
3.9 KiB
C++
126 lines
3.9 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 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() {this->Depth = 0;}
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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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cmExecutionStatus &);
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virtual bool ShouldRemove(const cmListFileFunction& lff, cmMakefile &mf);
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std::vector<std::string> 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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/** \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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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() { 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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"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. Before each iteration of the loop "
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"\"${loop_var}\" will be set as a variable with "
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"the current value in the list.\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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"Foreach can also iterate over a generated range of numbers. "
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"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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"\n"
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" foreach(loop_var IN [LISTS [list1 [...]]]\n"
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" [ITEMS [item1 [...]]])\n"
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"Iterates over a precise list of items. "
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"The LISTS option names list-valued variables to be traversed, "
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"including empty elements (an empty string is a zero-length list). "
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"The ITEMS option ends argument parsing and includes all arguments "
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"following it in the iteration."
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;
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}
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cmTypeMacro(cmForEachCommand, cmCommand);
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private:
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bool HandleInMode(std::vector<std::string> const& args);
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};
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#endif
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