| /* |
| * Copyright 2007 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.android.jack.ir.ast; |
| |
| import com.android.jack.ir.JNodeInternalError; |
| import com.android.jack.ir.sourceinfo.SourceInfo; |
| import com.android.sched.item.Component; |
| import com.android.sched.item.Description; |
| import com.android.sched.scheduler.ScheduleInstance; |
| import com.android.sched.transform.TransformRequest; |
| |
| import javax.annotation.CheckForNull; |
| import javax.annotation.Nonnull; |
| |
| /** |
| * Java case statement. |
| */ |
| @Description("Java case statement") |
| public class JCaseStatement extends JStatement { |
| |
| @CheckForNull |
| private JLiteral expr; |
| |
| public JCaseStatement(@Nonnull SourceInfo info, @CheckForNull JLiteral expr) { |
| super(info); |
| this.expr = expr; |
| } |
| |
| @CheckForNull |
| public JLiteral getExpr() { |
| return expr; |
| } |
| |
| @Override |
| public void traverse(@Nonnull JVisitor visitor) { |
| if (visitor.visit(this)) { |
| if (expr != null) { |
| visitor.accept(expr); |
| } |
| } |
| visitor.endVisit(this); |
| } |
| |
| @Override |
| public void traverse(@Nonnull ScheduleInstance<? super Component> schedule) throws Exception { |
| schedule.process(this); |
| if (expr != null) { |
| expr.traverse(schedule); |
| } |
| } |
| |
| @Override |
| protected void replaceImpl(@Nonnull JNode existingNode, @Nonnull JNode newNode) |
| throws UnsupportedOperationException { |
| if (existingNode == expr) { |
| expr = (JLiteral) newNode; |
| } else { |
| super.replaceImpl(existingNode, newNode); |
| } |
| } |
| |
| @Override |
| public void visit(@Nonnull JVisitor visitor, @Nonnull TransformRequest transformRequest) |
| throws Exception { |
| visitor.visit(this, transformRequest); |
| } |
| |
| @Override |
| public void checkValidity() { |
| if (!(parent instanceof JSwitchStatement || parent instanceof JBlock)) { |
| throw new JNodeInternalError(this, "Invalid parent"); |
| } |
| } |
| } |