| /* |
| * 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. |
| */ |
| package com.siyeh.ig.bugs; |
| |
| import com.intellij.psi.*; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import org.jetbrains.annotations.NotNull; |
| |
| class NonFinalFieldsVisitor extends BaseInspectionVisitor { |
| protected void checkUsedNonFinalFields(PsiMethod method) { |
| method.accept(new JavaRecursiveElementVisitor() { |
| |
| @Override |
| public void visitClass(PsiClass aClass) { |
| // Do not recurse into. |
| } |
| |
| @Override |
| public void visitReferenceExpression( |
| @NotNull PsiReferenceExpression expression) { |
| super.visitReferenceExpression(expression); |
| final PsiElement element = expression.resolve(); |
| if (!(element instanceof PsiField)) { |
| return; |
| } |
| final PsiField field = (PsiField)element; |
| if (field.hasModifierProperty(PsiModifier.FINAL)) { |
| return; |
| } |
| registerError(expression, field); |
| } |
| }); |
| } |
| } |