| /* |
| * Copyright 2003-2007 Dave Griffith, 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.controlflow; |
| |
| 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 org.jetbrains.annotations.NotNull; |
| |
| public class BreakStatementInspection extends BaseInspection { |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message("break.statement.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| protected String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message( |
| "statement.problem.descriptor"); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new BreakStatementVisitor(); |
| } |
| |
| private static class BreakStatementVisitor |
| extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitBreakStatement(@NotNull PsiBreakStatement statement) { |
| super.visitBreakStatement(statement); |
| final PsiSwitchStatement switchStatement = |
| PsiTreeUtil.getParentOfType(statement, |
| PsiSwitchStatement.class); |
| if (switchStatement != null && isTopLevelBreakInSwitch(statement)) { |
| return; |
| } |
| registerStatementError(statement); |
| } |
| |
| private static boolean isTopLevelBreakInSwitch( |
| PsiBreakStatement statement) { |
| final PsiElement parent = statement.getParent(); |
| if (!(parent instanceof PsiCodeBlock)) { |
| return false; |
| } |
| final PsiElement parentsParent = parent.getParent(); |
| if (parentsParent instanceof PsiSwitchStatement) { |
| return true; |
| } |
| if (!(parentsParent instanceof PsiBlockStatement)) { |
| return false; |
| } |
| final PsiElement blocksParent = parentsParent.getParent(); |
| if (!(blocksParent instanceof PsiCodeBlock)) { |
| return false; |
| } |
| final PsiElement blocksParentsParent = blocksParent.getParent(); |
| return blocksParentsParent instanceof PsiSwitchStatement; |
| } |
| } |
| } |