| /* |
| * 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.codeInspection.ProblemDescriptor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.*; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.util.IncorrectOperationException; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.InspectionGadgetsFix; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class UnnecessaryLabelOnBreakStatementInspection |
| extends BaseInspection { |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message( |
| "unnecessary.label.on.break.statement.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| protected String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message( |
| "unnecessary.label.on.break.statement.problem.descriptor"); |
| } |
| |
| @Override |
| public boolean isEnabledByDefault() { |
| return true; |
| } |
| |
| @Override |
| public InspectionGadgetsFix buildFix(Object... infos) { |
| return new UnnecessaryLabelOnBreakStatementFix(); |
| } |
| |
| private static class UnnecessaryLabelOnBreakStatementFix |
| extends InspectionGadgetsFix { |
| @Override |
| @NotNull |
| public String getFamilyName() { |
| return getName(); |
| } |
| |
| @Override |
| @NotNull |
| public String getName() { |
| return InspectionGadgetsBundle.message( |
| "unnecessary.label.remove.quickfix"); |
| } |
| |
| @Override |
| public void doFix(Project project, ProblemDescriptor descriptor) |
| throws IncorrectOperationException { |
| final PsiElement breakKeywordElement = descriptor.getPsiElement(); |
| final PsiBreakStatement breakStatement = |
| (PsiBreakStatement)breakKeywordElement.getParent(); |
| final PsiIdentifier identifier = |
| breakStatement.getLabelIdentifier(); |
| if (identifier == null) { |
| return; |
| } |
| identifier.delete(); |
| } |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new UnnecessaryLabelOnBreakStatementVisitor(); |
| } |
| |
| private static class UnnecessaryLabelOnBreakStatementVisitor |
| extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitBreakStatement(@NotNull PsiBreakStatement statement) { |
| final PsiIdentifier labelIdentifier = |
| statement.getLabelIdentifier(); |
| if (labelIdentifier == null) { |
| return; |
| } |
| final String labelText = labelIdentifier.getText(); |
| if (labelText == null || labelText.length() == 0) { |
| return; |
| } |
| final PsiStatement exitedStatement = |
| statement.findExitedStatement(); |
| if (exitedStatement == null) { |
| return; |
| } |
| final PsiStatement labelEnabledParent = |
| PsiTreeUtil.getParentOfType(statement, |
| PsiForStatement.class, PsiDoWhileStatement.class, |
| PsiForeachStatement.class, PsiWhileStatement.class, |
| PsiSwitchStatement.class); |
| if (labelEnabledParent == null) { |
| return; |
| } |
| if (exitedStatement.equals(labelEnabledParent)) { |
| registerStatementError(statement); |
| } |
| } |
| } |
| } |