| /* |
| * 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 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; |
| } |
| |
| public void traverse(JsVisitor v, JsContext ctx) { |
| if (v.visit(this, ctx)) { |
| arrayExpr = v.accept(arrayExpr); |
| indexExpr = v.accept(indexExpr); |
| } |
| v.endVisit(this, ctx); |
| } |
| } |