net.sandius.rembulan.parser.ast.BinaryOperationExpr Maven / Gradle / Ivy
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/*
* Copyright 2016 Miroslav Janíček
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.sandius.rembulan.parser.ast;
import net.sandius.rembulan.util.Check;
public class BinaryOperationExpr extends Expr {
private final Operator.Binary op;
private final Expr left;
private final Expr right;
public BinaryOperationExpr(Attributes attr, Operator.Binary op, Expr left, Expr right) {
super(attr);
this.op = Check.notNull(op);
this.left = Check.notNull(left);
this.right = Check.notNull(right);
}
public Operator.Binary op() {
return op;
}
public Expr left() {
return left;
}
public Expr right() {
return right;
}
public BinaryOperationExpr update(Expr left, Expr right) {
if (this.left.equals(left) && this.right.equals(right)) {
return this;
}
else {
return new BinaryOperationExpr(attributes(), op, left, right);
}
}
@Override
public Expr accept(Transformer tf) {
return tf.transform(this);
}
}