| /* |
| * Copyright 2000-2013 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.memory; |
| |
| import com.intellij.psi.PsiArrayInitializerExpression; |
| import com.intellij.psi.PsiExpression; |
| import com.intellij.psi.PsiNewExpression; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.psiutils.ExpressionUtils; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class ZeroLengthArrayInitializationInspectionBase extends BaseInspection { |
| @Override |
| @NotNull |
| public String getID() { |
| return "ZeroLengthArrayAllocation"; |
| } |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message( |
| "array.allocation.zero.length.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| public String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message( |
| "array.allocation.zero.length.problem.descriptor"); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new ZeroLengthArrayInitializationVisitor(); |
| } |
| |
| @Override |
| protected boolean buildQuickFixesOnlyForOnTheFlyErrors() { |
| return true; |
| } |
| |
| private static class ZeroLengthArrayInitializationVisitor |
| extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitNewExpression( |
| @NotNull PsiNewExpression expression) { |
| super.visitNewExpression(expression); |
| if (!ExpressionUtils.isZeroLengthArrayConstruction(expression)) { |
| return; |
| } |
| if (ExpressionUtils.isDeclaredConstant(expression)) { |
| return; |
| } |
| registerError(expression); |
| } |
| |
| @Override |
| public void visitArrayInitializerExpression( |
| PsiArrayInitializerExpression expression) { |
| super.visitArrayInitializerExpression(expression); |
| final PsiExpression[] initializers = expression.getInitializers(); |
| if (initializers.length > 0) { |
| return; |
| } |
| if (expression.getParent() instanceof PsiNewExpression) { |
| return; |
| } |
| if (ExpressionUtils.isDeclaredConstant(expression)) { |
| return; |
| } |
| registerError(expression); |
| } |
| } |
| } |