path: root/libevmasm/SimplificationRule.h

/*
    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/>.
*/
/**
 * Expression simplification pattern.
 */

#pragma once

#include <functional>

namespace dev
{
namespace solidity
{

/**
 * Rule that contains a pattern, an action that can be applied
 * after the pattern has matched and a bool that indicates
 * whether the action would remove something from the expression
 * than is not a constant literal.
 */
template <class Pattern>
struct SimplificationRule
{
    Pattern pattern;
    std::function<Pattern()> action;
    bool removesNonConstants;
};

}
}