| /* |
| * 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.languages.toml; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import javax.swing.event.ChangeListener; |
| import org.antlr.v4.runtime.BaseErrorListener; |
| import org.antlr.v4.runtime.CharStreams; |
| import org.antlr.v4.runtime.CommonTokenStream; |
| import org.antlr.v4.runtime.RecognitionException; |
| import org.antlr.v4.runtime.Recognizer; |
| import org.antlr.v4.runtime.Token; |
| import org.netbeans.modules.csl.api.Error; |
| import org.netbeans.modules.csl.api.Severity; |
| import org.netbeans.modules.csl.spi.DefaultError; |
| import org.netbeans.modules.csl.spi.ParserResult; |
| import org.netbeans.modules.parsing.api.Snapshot; |
| import org.netbeans.modules.parsing.api.Task; |
| import org.netbeans.modules.parsing.spi.ParseException; |
| import org.netbeans.modules.parsing.spi.Parser; |
| import org.netbeans.modules.parsing.spi.SourceModificationEvent; |
| |
| /** |
| * |
| * @author Laszlo Kishalmi |
| */ |
| public class TomlParser extends Parser{ |
| |
| private Result lastResult; |
| |
| @Override |
| public void parse(Snapshot snapshot, Task task, SourceModificationEvent event) throws ParseException { |
| org.tomlj.internal.TomlLexer lexer = new org.tomlj.internal.TomlLexer(CharStreams.fromString(String.valueOf(snapshot.getText()))); |
| org.tomlj.internal.TomlParser parser = new org.tomlj.internal.TomlParser(new CommonTokenStream(lexer)); |
| final List<DefaultError> errors = new ArrayList<>(); |
| parser.addErrorListener(new BaseErrorListener() { |
| @Override |
| public void syntaxError(Recognizer<?, ?> recognizer, Object offendingSymbol, int line, int charPositionInLine, String msg, RecognitionException e) { |
| int errorBegin = 0; |
| int errorEnd = 0; |
| if (offendingSymbol instanceof Token) { |
| Token token = (Token) offendingSymbol; |
| errorBegin = token.getStartIndex(); |
| errorEnd = token.getStopIndex() + 1; |
| } |
| errors.add(new DefaultError(null, msg, null, snapshot.getSource().getFileObject(), errorBegin, errorEnd, Severity.ERROR)); |
| } |
| |
| }); |
| parser.toml(); |
| lastResult = new TomlParser.Result(snapshot, errors); |
| } |
| |
| @Override |
| public Result getResult(Task task) throws ParseException { |
| return lastResult; |
| } |
| |
| @Override |
| public void addChangeListener(ChangeListener changeListener) { |
| } |
| |
| @Override |
| public void removeChangeListener(ChangeListener changeListener) { |
| } |
| |
| public static class Result extends ParserResult { |
| |
| private final List<? extends Error> errors; |
| |
| public Result(Snapshot snapshot, List<? extends Error> errors) { |
| super(snapshot); |
| this.errors = errors; |
| } |
| |
| @Override |
| public List<? extends Error> getDiagnostics() { |
| return errors; |
| } |
| |
| @Override |
| protected void invalidate() { |
| } |
| |
| } |
| } |