/usr/include/cvc4/options/argument_extender.h is in libcvc4-dev 1.5-1.
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/*! \file argument_extender.h
** \verbatim
** Top contributors (to current version):
** Paul Meng, Tim King
** This file is part of the CVC4 project.
** Copyright (c) 2009-2017 by the authors listed in the file AUTHORS
** in the top-level source directory) and their institutional affiliations.
** All rights reserved. See the file COPYING in the top-level source
** directory for licensing information.\endverbatim
**
** \brief Abstract utility class for extending commandline options.
**
** Abstract utility class for extending commandline options.
**/
#include <cvc4/cvc4_public.h>
#ifndef __CVC4__OPTIONS__ARGUMENT_EXTENDER_H
#define __CVC4__OPTIONS__ARGUMENT_EXTENDER_H
#include <cstddef>
namespace CVC4 {
namespace options {
/**
* Abstract utility class for implementing command line options
* parsing for the Options class. This allows for adding preemption
* arguments. A preemption is effectivly adding a new argument into
* the commandline arguments and must be processed immediately.
*/
class ArgumentExtender {
public:
ArgumentExtender(){}
virtual ~ArgumentExtender(){}
/**
* This creates a copy of the current arguments list as a new array.
* The new array is stored in argv. The user of this function is
* expected to own the memory of the string array, but not the
* strings themselves. The length of the new array is
* numArguments() and is stored in argc.
*
* Preconditions:
* - argc and argv are non-null.
*/
virtual void getArguments(int* argc, char*** argv) const = 0;
/** Returns the number of arguments that are . */
virtual size_t numArguments() const = 0;
/**
* Inserts a copy of element into the front of the arguments list.
* Preconditions: element is non-null and 0 terminated.
*/
virtual void pushFrontArgument(const char* element) = 0;
/**
* Inserts a copy of element into the back of the arguments list.
* Preconditions: element is non-null and 0 terminated.
*/
virtual void pushBackArgument(const char* element) = 0;
/** Removes the front of the arguments list.*/
virtual void popFrontArgument() = 0;
/** Adds a new preemption to the arguments list. */
virtual void pushBackPreemption(const char* element) = 0;
/**
* Moves all of the preemptions into the front of the arguments
* list.
*/
virtual void movePreemptionsToArguments() = 0;
/** Returns true iff there is a pending preemption.*/
virtual bool hasPreemptions() const = 0;
};/* class ArgumentExtender */
}/* CVC4::options namespace */
}/* CVC4 namespace */
#endif /* __CVC4__OPTIONS__ARGUMENT_EXTENDER_H */
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