/******************************************************************************
 * Top contributors (to current version):
 *   Andrew Reynolds
 *
 * This file is part of the cvc5 project.
 *
 * Copyright (c) 2009-2021 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.
 * ****************************************************************************
 *
 * Implementation of data structures for regular expression operators.
 */

#include "util/regexp.h"

#include <ostream>

namespace cvc5 {

RegExpRepeat::RegExpRepeat(uint32_t repeatAmount) : d_repeatAmount(repeatAmount)
{
}

bool RegExpRepeat::operator==(const RegExpRepeat& r) const
{
  return d_repeatAmount == r.d_repeatAmount;
}

RegExpLoop::RegExpLoop(uint32_t l, uint32_t h)
    : d_loopMinOcc(l), d_loopMaxOcc(h)
{
}

bool RegExpLoop::operator==(const RegExpLoop& r) const
{
  return d_loopMinOcc == r.d_loopMinOcc && d_loopMaxOcc == r.d_loopMaxOcc;
}

size_t RegExpRepeatHashFunction::operator()(const RegExpRepeat& r) const
{
  return r.d_repeatAmount;
}

size_t RegExpLoopHashFunction::operator()(const RegExpLoop& r) const
{
  return r.d_loopMinOcc + r.d_loopMaxOcc;
}

std::ostream& operator<<(std::ostream& os, const RegExpRepeat& r)
{
  return os << r.d_repeatAmount;
}

std::ostream& operator<<(std::ostream& os, const RegExpLoop& r)
{
  return os << "[" << r.d_loopMinOcc << ".." << r.d_loopMaxOcc << "]";
}

}  // namespace cvc5