com.google.gwt.dev.js.ast.JsArrayAccess Maven / Gradle / Ivy
/*
* Copyright 2008 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;
/**
* Represents a javascript expression for array access.
*/
public final class JsArrayAccess extends JsExpression {
private JsExpression arrayExpr;
private JsExpression indexExpr;
public JsArrayAccess(SourceInfo sourceInfo) {
super(sourceInfo);
}
public JsArrayAccess(SourceInfo sourceInfo, JsExpression arrayExpr, JsExpression indexExpr) {
super(sourceInfo);
this.arrayExpr = arrayExpr;
this.indexExpr = indexExpr;
}
public JsExpression getArrayExpr() {
return arrayExpr;
}
public JsExpression getIndexExpr() {
return indexExpr;
}
@Override
public NodeKind getKind() {
return NodeKind.ARRAY_ACCESS;
}
@Override
public boolean hasSideEffects() {
return arrayExpr.hasSideEffects() || indexExpr.hasSideEffects();
}
@Override
public boolean isDefinitelyNotNull() {
return false;
}
@Override
public boolean isDefinitelyNull() {
return false;
}
public void setArrayExpr(JsExpression arrayExpr) {
this.arrayExpr = arrayExpr;
}
public void setIndexExpr(JsExpression indexExpr) {
this.indexExpr = indexExpr;
}
@Override
public void traverse(JsVisitor v, JsContext ctx) {
if (v.visit(this, ctx)) {
arrayExpr = v.accept(arrayExpr);
indexExpr = v.accept(indexExpr);
}
v.endVisit(this, ctx);
}
}