| /* |
| * Copyright 2009 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.bugs; |
| |
| import com.intellij.psi.PsiAssertStatement; |
| import com.intellij.psi.PsiExpression; |
| import com.intellij.psi.util.PsiUtil; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.psiutils.ParenthesesUtils; |
| import com.siyeh.ig.psiutils.BoolUtils; |
| import org.jetbrains.annotations.Nls; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class ConstantAssertConditionInspection extends BaseInspection { |
| |
| @Override |
| @Nls |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message( |
| "constant.assert.condition.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| protected String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message( |
| "constant.assert.condition.problem.descriptor"); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new ConstantAssertConditionVisitor(); |
| } |
| |
| private static class ConstantAssertConditionVisitor |
| extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitAssertStatement(PsiAssertStatement statement) { |
| super.visitAssertStatement(statement); |
| final PsiExpression assertCondition = |
| statement.getAssertCondition(); |
| final PsiExpression expression = |
| ParenthesesUtils.stripParentheses(assertCondition); |
| if (expression == null) { |
| return; |
| } |
| if (BoolUtils.isFalse(expression)) { |
| return; |
| } |
| if (!PsiUtil.isConstantExpression(expression)) { |
| return; |
| } |
| registerError(expression); |
| } |
| } |
| } |