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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 LabelStatement extends BodyStatement {
private final Name labelName;
public LabelStatement(Attributes attr, Name labelName) {
super(attr);
this.labelName = Check.notNull(labelName);
}
public Name labelName() {
return labelName;
}
public LabelStatement update(Name labelName) {
if (this.labelName.equals(labelName)) {
return this;
}
else {
return new LabelStatement(attributes(), labelName);
}
}
public LabelStatement withAttributes(Attributes attr) {
if (attributes().equals(attr)) return this;
else return new LabelStatement(attr, labelName);
}
public LabelStatement with(Object o) {
return this.withAttributes(attributes().with(o));
}
@Override
public BodyStatement accept(Transformer tf) {
return tf.transform(this);
}
}