com.google.gwt.dev.jjs.impl.gflow.cfg.CfgNopNode Maven / Gradle / Ivy
/*
* Copyright 2009 Google Inc.
*
* 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 com.google.gwt.dev.jjs.impl.gflow.cfg;
import com.google.gwt.dev.jjs.ast.JNode;
/**
* Artificial no-operatation node. Is used while doing CFG transformations.
*/
public class CfgNopNode extends CfgNode {
public CfgNopNode(CfgNode parent, JNode node) {
super(parent, node);
}
@Override
public void accept(CfgVisitor visitor) {
visitor.visitNopNode(this);
}
@Override
public String toDebugString() {
return "NOP";
}
@Override
protected CfgNode cloneImpl() {
return new CfgNopNode(getParent(), getJNode());
}
}