| /* |
| * Copyright 2000-2009 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. |
| */ |
| package com.intellij.psi.util; |
| |
| import com.intellij.psi.*; |
| import com.intellij.util.containers.HashSet; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.List; |
| import java.util.Set; |
| |
| public class PsiSuperMethodUtil { |
| private PsiSuperMethodUtil() {} |
| |
| public static PsiMethod findConstructorInSuper(PsiMethod constructor) { |
| return findConstructorInSuper(constructor, new HashSet<PsiMethod>()); |
| } |
| |
| public static PsiMethod findConstructorInSuper(PsiMethod constructor, Set<PsiMethod> visited) { |
| if (visited.contains(constructor)) return null; |
| visited.add(constructor); |
| final PsiCodeBlock body = constructor.getBody(); |
| if (body != null) { |
| PsiStatement[] statements = body.getStatements(); |
| if (statements.length > 0) { |
| PsiElement firstChild = statements[0].getFirstChild(); |
| if (firstChild instanceof PsiMethodCallExpression) { |
| PsiReferenceExpression methodExpr = ((PsiMethodCallExpression)firstChild).getMethodExpression(); |
| @NonNls final String text = methodExpr.getText(); |
| if (text.equals("super")) { |
| PsiElement superConstructor = methodExpr.resolve(); |
| if (superConstructor instanceof PsiMethod) { |
| return (PsiMethod)superConstructor; |
| } |
| } else if (text.equals("this")) { |
| final PsiElement resolved = methodExpr.resolve(); |
| if (resolved instanceof PsiMethod) { |
| return findConstructorInSuper((PsiMethod)resolved, visited); |
| } |
| return null; |
| } |
| } |
| } |
| } |
| |
| PsiClass containingClass = constructor.getContainingClass(); |
| if (containingClass != null) { |
| PsiClass superClass = containingClass.getSuperClass(); |
| if (superClass != null) { |
| MethodSignature defConstructor = MethodSignatureUtil.createMethodSignature(superClass.getName(), PsiType.EMPTY_ARRAY, |
| PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY, true); |
| return MethodSignatureUtil.findMethodBySignature(superClass, defConstructor, false); |
| } |
| } |
| return null; |
| } |
| |
| public static boolean isSuperMethod(@NotNull PsiMethod method, @NotNull PsiMethod superMethod) { |
| HierarchicalMethodSignature signature = method.getHierarchicalMethodSignature(); |
| List<HierarchicalMethodSignature> superSignatures = signature.getSuperSignatures(); |
| for (int i = 0, superSignaturesSize = superSignatures.size(); i < superSignaturesSize; i++) { |
| HierarchicalMethodSignature supsig = superSignatures.get(i); |
| PsiMethod supsigme = supsig.getMethod(); |
| if (superMethod.equals(supsigme) || isSuperMethod(supsigme, superMethod)) return true; |
| } |
| |
| return false; |
| } |
| } |