/*
 * WorldEdit, a Minecraft world manipulation toolkit
 * Copyright (C) sk89q <http://www.sk89q.com>
 * Copyright (C) WorldEdit team and contributors
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

package com.sk89q.worldedit.internal.expression.runtime;

import com.sk89q.worldedit.internal.expression.Expression;
import com.sk89q.worldedit.internal.expression.parser.ParserException;

/**
 * A value that can be used on the left side of an assignment.
 */
public interface LValue extends RValue {

    double assign(double value) throws EvaluationException;

    @Override
    LValue optimize() throws EvaluationException;

    @Override
    LValue bindVariables(Expression expression, boolean preferLValue) throws ParserException;

}
