| /* |
| * Copyright 2006-2013 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.style; |
| |
| import com.intellij.codeInspection.CleanupLocalInspectionTool; |
| import com.intellij.psi.*; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.InspectionGadgetsFix; |
| import com.siyeh.ig.fixes.AddThisQualifierFix; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class UnqualifiedFieldAccessInspection extends BaseInspection implements CleanupLocalInspectionTool { |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message("unqualified.field.access.display.name"); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new UnqualifiedFieldAccessVisitor(); |
| } |
| |
| @Override |
| @NotNull |
| protected String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message("unqualified.field.access.problem.descriptor"); |
| } |
| |
| @Override |
| public InspectionGadgetsFix buildFix(Object... infos) { |
| return new AddThisQualifierFix(); |
| } |
| |
| private static class UnqualifiedFieldAccessVisitor extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitReferenceExpression(@NotNull PsiReferenceExpression expression) { |
| super.visitReferenceExpression(expression); |
| final PsiExpression qualifierExpression = expression.getQualifierExpression(); |
| if (qualifierExpression != null) { |
| return; |
| } |
| final PsiReferenceParameterList parameterList = expression.getParameterList(); |
| if (parameterList == null) { |
| return; |
| } |
| final PsiElement element = expression.resolve(); |
| if (!(element instanceof PsiField)) { |
| return; |
| } |
| final PsiField field = (PsiField)element; |
| if (field.hasModifierProperty(PsiModifier.STATIC)) { |
| return; |
| } |
| final PsiClass fieldClass = field.getContainingClass(); |
| if (fieldClass instanceof PsiAnonymousClass) { |
| final PsiClass expressionClass = PsiTreeUtil.getParentOfType(expression, PsiClass.class); |
| if (expressionClass != null && !expressionClass.equals(fieldClass)) { |
| // qualified this expression not possible for anonymous class |
| return; |
| } |
| } |
| registerError(expression); |
| } |
| } |
| } |