| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.netbeans.modules.php.editor.verification; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import org.netbeans.modules.csl.spi.support.CancelSupport; |
| import org.netbeans.modules.php.editor.parser.PHPParseResult; |
| import org.netbeans.modules.php.editor.parser.astnodes.ASTNode; |
| import org.netbeans.modules.php.editor.parser.astnodes.GroupUseStatementPart; |
| import org.netbeans.modules.php.editor.parser.astnodes.SingleUseStatementPart; |
| import org.netbeans.modules.php.editor.parser.astnodes.UseStatement; |
| import org.netbeans.modules.php.editor.parser.astnodes.visitors.DefaultVisitor; |
| import org.openide.filesystems.FileObject; |
| import org.openide.util.NbBundle; |
| |
| /** |
| * Handles cases when incorrect mixed group uses are defined. For example: |
| * <pre> |
| * use const \A\ { function fnc }; |
| * </pre> |
| * @see https://wiki.php.net/rfc/group_use_declarations#mixed_use_declarations |
| */ |
| public final class IncorrectMixedGroupUseHintError extends UnhandledErrorRule { |
| |
| @NbBundle.Messages("IncorrectMixedGroupUseHintError.displayName=Syntax error, unexpected 'const' or 'function', expecting identifier.") |
| @Override |
| public String getDisplayName() { |
| return Bundle.IncorrectMixedGroupUseHintError_displayName(); |
| } |
| |
| @Override |
| public void invoke(PHPRuleContext context, List<org.netbeans.modules.csl.api.Error> result) { |
| PHPParseResult phpParseResult = (PHPParseResult) context.parserResult; |
| if (phpParseResult.getProgram() != null) { |
| FileObject fileObject = phpParseResult.getSnapshot().getSource().getFileObject(); |
| if (fileObject != null) { |
| if (CancelSupport.getDefault().isCancelled()) { |
| return; |
| } |
| CheckVisitor checkVisitor = new CheckVisitor(fileObject); |
| phpParseResult.getProgram().accept(checkVisitor); |
| if (CancelSupport.getDefault().isCancelled()) { |
| return; |
| } |
| result.addAll(checkVisitor.getErrors()); |
| } |
| } |
| } |
| |
| //~ Inner classes |
| |
| private static final class CheckVisitor extends DefaultVisitor { |
| |
| private final List<VerificationError> errors = new ArrayList<>(); |
| private final FileObject fileObject; |
| |
| private UseStatement currentUseStatement; |
| private GroupUseStatementPart currentGroupUseStatementPart; |
| |
| |
| CheckVisitor(FileObject fileObject) { |
| assert fileObject != null; |
| this.fileObject = fileObject; |
| } |
| |
| List<VerificationError> getErrors() { |
| return Collections.unmodifiableList(errors); |
| } |
| |
| @Override |
| public void visit(UseStatement statement) { |
| if (CancelSupport.getDefault().isCancelled()) { |
| return; |
| } |
| currentUseStatement = statement; |
| super.visit(statement); |
| currentUseStatement = null; |
| } |
| |
| @Override |
| public void visit(GroupUseStatementPart statementPart) { |
| if (CancelSupport.getDefault().isCancelled()) { |
| return; |
| } |
| currentGroupUseStatementPart = statementPart; |
| super.visit(statementPart); |
| currentGroupUseStatementPart = null; |
| } |
| |
| @Override |
| public void visit(SingleUseStatementPart statementPart) { |
| if (CancelSupport.getDefault().isCancelled()) { |
| return; |
| } |
| checkSingleUseStatement(statementPart); |
| super.visit(statementPart); |
| } |
| |
| private void checkSingleUseStatement(SingleUseStatementPart statementPart) { |
| if (currentUseStatement == null |
| || currentGroupUseStatementPart == null) { |
| return; |
| } |
| UseStatement.Type type = statementPart.getType(); |
| if (type == null) { |
| return; |
| } |
| if (currentUseStatement.getType() != UseStatement.Type.TYPE) { |
| createError(statementPart); |
| } |
| } |
| |
| private void createError(ASTNode node) { |
| createError(node.getStartOffset(), node.getEndOffset()); |
| } |
| |
| private void createError(int startOffset, int endOffset) { |
| errors.add(new IncorrectMixedGroupUse(fileObject, startOffset, endOffset)); |
| } |
| |
| } |
| |
| private static final class IncorrectMixedGroupUse extends VerificationError { |
| |
| private static final String KEY = "Php.Group.Use.Mixed"; // NOI18N |
| |
| |
| IncorrectMixedGroupUse(FileObject fileObject, int startOffset, int endOffset) { |
| super(fileObject, startOffset, endOffset); |
| } |
| |
| @NbBundle.Messages("IncorrectMixedGroupUse.displayName=Syntax error, unexpected 'const' or 'function', expecting identifier.") |
| @Override |
| public String getDisplayName() { |
| return Bundle.IncorrectMixedGroupUse_displayName(); |
| } |
| |
| @NbBundle.Messages("IncorrectMixedGroupUse.description=Mixed use declarations cannot be used for 'const' or 'function' declarations.") |
| @Override |
| public String getDescription() { |
| return Bundle.IncorrectMixedGroupUse_description(); |
| } |
| |
| @Override |
| public String getKey() { |
| return KEY; |
| } |
| |
| } |
| |
| } |