/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the "Elastic License
 * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
 * Public License v 1"; you may not use this file except in compliance with, at
 * your election, the "Elastic License 2.0", the "GNU Affero General Public
 * License v3.0 only", or the "Server Side Public License, v 1".
 */

package org.elasticsearch.painless.node;

import org.elasticsearch.painless.Location;
import org.elasticsearch.painless.phase.UserTreeVisitor;

import java.util.Objects;

/**
 * Represents {@code instanceof} operator.
 * <p>
 * Unlike java's, this works for primitive types too.
 */
public class EInstanceof extends AExpression {

    private final AExpression expressionNode;
    private final String canonicalTypeName;

    public EInstanceof(int identifier, Location location, AExpression expression, String canonicalTypeName) {
        super(identifier, location);

        this.expressionNode = Objects.requireNonNull(expression);
        this.canonicalTypeName = Objects.requireNonNull(canonicalTypeName);
    }

    public AExpression getExpressionNode() {
        return expressionNode;
    }

    public String getCanonicalTypeName() {
        return canonicalTypeName;
    }

    @Override
    public <Scope> void visit(UserTreeVisitor<Scope> userTreeVisitor, Scope scope) {
        userTreeVisitor.visitInstanceof(this, scope);
    }

    @Override
    public <Scope> void visitChildren(UserTreeVisitor<Scope> userTreeVisitor, Scope scope) {
        expressionNode.visit(userTreeVisitor, scope);
    }
}