| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * 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. |
| */ |
| |
| /* |
| * @author max |
| */ |
| package com.intellij.psi; |
| |
| import org.jetbrains.annotations.NotNull; |
| |
| public abstract class JavaRecursiveElementWalkingVisitor extends JavaElementVisitor { |
| private final PsiWalkingState myWalkingState = new PsiWalkingState(this){ |
| @Override |
| public void elementFinished(@NotNull PsiElement element) { |
| JavaRecursiveElementWalkingVisitor.this.elementFinished(element); |
| } |
| }; |
| |
| @Override |
| public void visitElement(PsiElement element) { |
| myWalkingState.elementStarted(element); |
| } |
| |
| protected void elementFinished(@NotNull PsiElement element) { |
| } |
| |
| @Override |
| public void visitReferenceExpression(PsiReferenceExpression expression) { |
| visitExpression(expression); |
| myWalkingState.startedWalking(); // do not traverse from scratch |
| visitReferenceElement(expression); |
| } |
| |
| public void stopWalking() { |
| myWalkingState.stopWalking(); |
| } |
| } |