/*

  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

/**

 * Specific AST copier that replaces certain identifiers with expressions.

 */

#pragma once

#include <libyul/optimiser/ASTCopier.h>

#include <libyul/YulString.h>

#include <map>

namespace solidity::yul

{

/**

 * Specific AST copier that replaces certain identifiers with expressions.

 */

class Substitution: public ASTCopier

{

public:

  Substitution(std::map<YulString, Expression const*> const& _substitutions):

    m_substitutions(_substitutions)

  {}

  Expression translate(Expression const& _expression) override;

private:

  std::map<YulString, Expression const*> const& m_substitutions;

};

}