117 lines
3.8 KiB
C++
117 lines
3.8 KiB
C++
/*============================================================================
|
|
CMake - Cross Platform Makefile Generator
|
|
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
|
|
|
|
Distributed under the OSI-approved BSD License (the "License");
|
|
see accompanying file Copyright.txt for details.
|
|
|
|
This software is distributed WITHOUT ANY WARRANTY; without even the
|
|
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
See the License for more information.
|
|
============================================================================*/
|
|
#ifndef cmForEachCommand_h
|
|
#define cmForEachCommand_h
|
|
|
|
#include "cmCommand.h"
|
|
#include "cmFunctionBlocker.h"
|
|
#include "cmListFileCache.h"
|
|
|
|
class cmForEachFunctionBlocker : public cmFunctionBlocker
|
|
{
|
|
public:
|
|
cmForEachFunctionBlocker() {this->Depth = 0;}
|
|
virtual ~cmForEachFunctionBlocker() {}
|
|
virtual bool IsFunctionBlocked(const cmListFileFunction& lff,
|
|
cmMakefile &mf,
|
|
cmExecutionStatus &);
|
|
virtual bool ShouldRemove(const cmListFileFunction& lff, cmMakefile &mf);
|
|
|
|
std::vector<std::string> Args;
|
|
std::vector<cmListFileFunction> Functions;
|
|
private:
|
|
int Depth;
|
|
};
|
|
|
|
/// Starts foreach() ... endforeach() 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,
|
|
cmExecutionStatus &status);
|
|
|
|
/**
|
|
* 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"
|
|
"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(loop_var RANGE total)\n"
|
|
" foreach(loop_var RANGE start stop [step])\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."
|
|
"\n"
|
|
" foreach(loop_var IN [LISTS [list1 [...]]]\n"
|
|
" [ITEMS [item1 [...]]])\n"
|
|
"Iterates over a precise list of items. "
|
|
"The LISTS option names list-valued variables to be traversed, "
|
|
"including empty elements (an empty string is a zero-length list). "
|
|
"The ITEMS option ends argument parsing and includes all arguments "
|
|
"following it in the iteration."
|
|
;
|
|
}
|
|
|
|
cmTypeMacro(cmForEachCommand, cmCommand);
|
|
private:
|
|
bool HandleInMode(std::vector<std::string> const& args);
|
|
};
|
|
|
|
|
|
#endif
|