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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;
import java.util.List;
public class AssignStatement extends BodyStatement {
private final List vars;
private final List exprs;
public AssignStatement(Attributes attr, List vars, List exprs) {
super(attr);
this.vars = Check.notNull(vars);
this.exprs = Check.notNull(exprs);
}
public List vars() {
return vars;
}
public List exprs() {
return exprs;
}
public AssignStatement update(List vars, List exprs) {
if (this.vars.equals(vars) && this.exprs.equals(exprs)) {
return this;
}
else {
return new AssignStatement(attributes(), vars, exprs);
}
}
@Override
public BodyStatement accept(Transformer tf) {
return tf.transform(this);
}
}