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/********************* */
/*! \file regexp.h
** \verbatim
** Top contributors (to current version):
** Andrew Reynolds
** This file is part of the CVC4 project.
** Copyright (c) 2009-2020 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 Data structures for regular expression operators.
**/
#include "cvc4_public.h"
#ifndef CVC4__UTIL__REGEXP_H
#define CVC4__UTIL__REGEXP_H
#include <cstdint>
#include <iosfwd>
namespace CVC4 {
struct CVC4_PUBLIC RegExpRepeat
{
RegExpRepeat(uint32_t repeatAmount);
bool operator==(const RegExpRepeat& r) const;
/** The amount of repetitions of the regular expression */
uint32_t d_repeatAmount;
};
struct CVC4_PUBLIC RegExpLoop
{
RegExpLoop(uint32_t l, uint32_t h);
bool operator==(const RegExpLoop& r) const;
/** The minimum number of repetitions of the regular expression */
uint32_t d_loopMinOcc;
/** The maximum number of repetitions of the regular expression */
uint32_t d_loopMaxOcc;
};
/* -----------------------------------------------------------------------
** Hash Function structs
* ----------------------------------------------------------------------- */
/*
* Hash function for the RegExpRepeat constants.
*/
struct CVC4_PUBLIC RegExpRepeatHashFunction
{
size_t operator()(const RegExpRepeat& r) const;
};
/**
* Hash function for the RegExpLoop objects.
*/
struct CVC4_PUBLIC RegExpLoopHashFunction
{
size_t operator()(const RegExpLoop& r) const;
};
/* -----------------------------------------------------------------------
** Output stream
* ----------------------------------------------------------------------- */
std::ostream& operator<<(std::ostream& os, const RegExpRepeat& bv) CVC4_PUBLIC;
std::ostream& operator<<(std::ostream& os, const RegExpLoop& bv) CVC4_PUBLIC;
} // namespace CVC4
#endif /* CVC4__UTIL__REGEXP_H */
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