CMake/Source/cmReturnCommand.h

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/*============================================================================
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 cmReturnCommand_h
#define cmReturnCommand_h
#include "cmCommand.h"
/** \class cmReturnCommand
* \brief Return from a directory or function
*
* cmReturnCommand returns from a directory or function
*/
class cmReturnCommand : public cmCommand
{
public:
/**
* This is a virtual constructor for the command.
*/
virtual cmCommand* Clone()
{
return new cmReturnCommand;
}
/**
* 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() const { return true; }
/**
* The name of the command as specified in CMakeList.txt.
*/
virtual const char* GetName() const {return "return";}
/**
* Succinct documentation.
*/
virtual const char* GetTerseDocumentation() const
{
return "Return from a file, directory or function.";
}
/**
* More documentation.
*/
virtual const char* GetFullDocumentation() const
{
return
" return()\n"
"Returns from a file, directory or function. When this command is "
"encountered in an included file (via include() or find_package()), "
"it causes processing of the current file to stop and control is "
"returned to the including file. If it is encountered in a file which "
"is not included by another file, e.g. a CMakeLists.txt, control is "
"returned to the parent directory if there is one. "
"If return is called in a function, control is returned to the caller "
"of the function. Note that a macro "
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"is not a function and does not handle return like a function does.";
}
cmTypeMacro(cmReturnCommand, cmCommand);
};
#endif