/*

  This file is part of solidity.

  solidity is free software: you can redistribute it and/or modify

  it under the terms of the GNU General Public License as published by

  the Free Software Foundation, either version 3 of the License, or

  (at your option) any later version.

  solidity is distributed in the hope that it will be useful,

  but WITHOUT ANY WARRANTY; without even the implied warranty of

  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License

  along with solidity.  If not, see <http://www.gnu.org/licenses/>.

*/

// SPDX-License-Identifier: GPL-3.0

#include <libsolidity/ast/CallGraph.h>

using namespace std;

using namespace solidity::frontend;

bool CallGraph::CompareByID::operator()(Node const& _lhs, Node const& _rhs) const

{

  if (_lhs.index() != _rhs.index())

    return _lhs.index() < _rhs.index();

  if (holds_alternative<SpecialNode>(_lhs))

    return get<SpecialNode>(_lhs) < get<SpecialNode>(_rhs);

  return get<CallableDeclaration const*>(_lhs)->id() < get<CallableDeclaration const*>(_rhs)->id();

}

bool CallGraph::CompareByID::operator()(Node const& _lhs, int64_t _rhs) const

{

  solAssert(!holds_alternative<SpecialNode>(_lhs), "");

  return get<CallableDeclaration const*>(_lhs)->id() < _rhs;

}

bool CallGraph::CompareByID::operator()(int64_t _lhs, Node const& _rhs) const

{

  solAssert(!holds_alternative<SpecialNode>(_rhs), "");

  return _lhs < get<CallableDeclaration const*>(_rhs)->id();

}