| /* |
| * Copyright 2003-2012 Dave Griffith, Bas Leijdekkers |
| * |
| * 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.siyeh.ig.psiutils; |
| |
| import com.intellij.psi.*; |
| import org.jetbrains.annotations.NotNull; |
| |
| class RecursionVisitor extends JavaRecursiveElementVisitor { |
| |
| private boolean recursive = false; |
| private final PsiMethod method; |
| private final String methodName; |
| |
| public RecursionVisitor(@NotNull PsiMethod method) { |
| super(); |
| this.method = method; |
| methodName = method.getName(); |
| } |
| |
| @Override |
| public void visitElement(@NotNull PsiElement element) { |
| if (!recursive) { |
| super.visitElement(element); |
| } |
| } |
| |
| @Override |
| public void visitMethodCallExpression( |
| @NotNull PsiMethodCallExpression call) { |
| if (recursive) { |
| return; |
| } |
| super.visitMethodCallExpression(call); |
| final PsiReferenceExpression methodExpression = call.getMethodExpression(); |
| final String calledMethodName = methodExpression.getReferenceName(); |
| if (!methodName.equals(calledMethodName)) { |
| return; |
| } |
| final PsiMethod calledMethod = call.resolveMethod(); |
| if (!method.equals(calledMethod)) { |
| return; |
| } |
| if (method.hasModifierProperty(PsiModifier.STATIC) || method.hasModifierProperty(PsiModifier.PRIVATE)) { |
| recursive = true; |
| return; |
| } |
| final PsiExpression qualifier = methodExpression.getQualifierExpression(); |
| if (qualifier == null || qualifier instanceof PsiThisExpression) { |
| recursive = true; |
| } |
| } |
| |
| public boolean isRecursive() { |
| return recursive; |
| } |
| } |