com.google.gwt.dev.js.ast.JsNameOf 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.js.ast;
import com.google.gwt.dev.jjs.SourceInfo;
/**
* An AST node whose evaluation results in the string name of its node.
*/
public class JsNameOf extends JsExpression {
private final JsName name;
public JsNameOf(SourceInfo info, HasName node) {
this(info, node.getName());
}
public JsNameOf(SourceInfo info, JsName name) {
super(info);
this.name = name;
}
@Override
public NodeKind getKind() {
return NodeKind.NAME_OF;
}
public JsName getName() {
return name;
}
@Override
public boolean hasSideEffects() {
return false;
}
@Override
public boolean isDefinitelyNotNull() {
// GenerateJsAST would have already replaced unnamed references with null
return true;
}
@Override
public boolean isDefinitelyNull() {
return false;
}
@Override
public void traverse(JsVisitor visitor, JsContext ctx) {
if (visitor.visit(this, ctx)) {
}
visitor.endVisit(this, ctx);
}
}