120 lines
3.5 KiB
C++
120 lines
3.5 KiB
C++
/*=========================================================================
|
|
|
|
Program: CMake - Cross-Platform Makefile Generator
|
|
Module: $RCSfile$
|
|
Language: C++
|
|
Date: $Date$
|
|
Version: $Revision$
|
|
|
|
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
|
|
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
|
|
|
|
This software is distributed WITHOUT ANY WARRANTY; without even
|
|
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
PURPOSE. See the above copyright notices for more information.
|
|
|
|
=========================================================================*/
|
|
#ifndef cmForEachCommand_h
|
|
#define cmForEachCommand_h
|
|
|
|
#include "cmCommand.h"
|
|
#include "cmFunctionBlocker.h"
|
|
#include "cmListFileCache.h"
|
|
|
|
/** \class cmForEachFunctionBlocker
|
|
* \brief subclass of function blocker
|
|
*
|
|
*
|
|
*/
|
|
class cmForEachFunctionBlocker : public cmFunctionBlocker
|
|
{
|
|
public:
|
|
cmForEachFunctionBlocker() {this->Executing = false; Depth = 0;}
|
|
virtual ~cmForEachFunctionBlocker() {}
|
|
virtual bool IsFunctionBlocked(const cmListFileFunction& lff,
|
|
cmMakefile &mf);
|
|
virtual bool ShouldRemove(const cmListFileFunction& lff, cmMakefile &mf);
|
|
virtual void ScopeEnded(cmMakefile &mf);
|
|
|
|
std::vector<std::string> Args;
|
|
std::vector<cmListFileFunction> Functions;
|
|
bool Executing;
|
|
private:
|
|
int Depth;
|
|
};
|
|
|
|
/** \class cmForEachCommand
|
|
* \brief starts an if block
|
|
*
|
|
* cmForEachCommand starts an if block
|
|
*/
|
|
class cmForEachCommand : public cmCommand
|
|
{
|
|
public:
|
|
/**
|
|
* This is a virtual constructor for the command.
|
|
*/
|
|
virtual cmCommand* Clone()
|
|
{
|
|
return new cmForEachCommand;
|
|
}
|
|
|
|
/**
|
|
* This is called when the command is first encountered in
|
|
* the CMakeLists.txt file.
|
|
*/
|
|
virtual bool InitialPass(std::vector<std::string> const& args);
|
|
|
|
/**
|
|
* This determines if the command is invoked when in script mode.
|
|
*/
|
|
virtual bool IsScriptable() { return true; }
|
|
|
|
/**
|
|
* The name of the command as specified in CMakeList.txt.
|
|
*/
|
|
virtual const char* GetName() { return "FOREACH";}
|
|
|
|
/**
|
|
* Succinct documentation.
|
|
*/
|
|
virtual const char* GetTerseDocumentation()
|
|
{
|
|
return "Evaluate a group of commands for each value in a list.";
|
|
}
|
|
|
|
/**
|
|
* More documentation.
|
|
*/
|
|
virtual const char* GetFullDocumentation()
|
|
{
|
|
return
|
|
" FOREACH(loop_var arg1 arg2 ...)\n"
|
|
" COMMAND1(ARGS ...)\n"
|
|
" COMMAND2(ARGS ...)\n"
|
|
" ...\n"
|
|
" ENDFOREACH(loop_var)\n"
|
|
" FOREACH(loop_var RANGE total)\n"
|
|
" FOREACH(loop_var RANGE start stop [step])\n"
|
|
"All commands between FOREACH and the matching ENDFOREACH are recorded "
|
|
"without being invoked. Once the ENDFOREACH is evaluated, the "
|
|
"recorded list of commands is invoked once for each argument listed "
|
|
"in the original FOREACH command. Before each iteration of the loop "
|
|
"\"${loop_var}\" will be set as a variable with "
|
|
"the current value in the list.\n"
|
|
"Foreach can also iterate over a generated range of numbers. "
|
|
"There are three types of this iteration:\n"
|
|
"* When specifying single number, the range will have elements "
|
|
"0 to \"total\".\n"
|
|
"* When specifying two numbers, the range will have elements from "
|
|
"the first number to the second number.\n"
|
|
"* The third optional number is the increment used to iterate from "
|
|
"the first number to the second number.";
|
|
}
|
|
|
|
cmTypeMacro(cmForEachCommand, cmCommand);
|
|
};
|
|
|
|
|
|
#endif
|