1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * See LICENSE.txt included in this distribution for the specific 9 * language governing permissions and limitations under the License. 10 * 11 * When distributing Covered Code, include this CDDL HEADER in each 12 * file and include the License file at LICENSE.txt. 13 * If applicable, add the following below this CDDL HEADER, with the 14 * fields enclosed by brackets "[]" replaced with your own identifying 15 * information: Portions Copyright [yyyy] [name of copyright owner] 16 * 17 * CDDL HEADER END 18 */ 19 20 /* 21 * Copyright (c) 2006, 2019, Oracle and/or its affiliates. All rights reserved. 22 * Portions Copyright (c) 2017, 2020, Chris Fraire <cfraire@me.com>. 23 */ 24 package org.opengrok.indexer.analysis.javascript; 25 26 import java.io.Reader; 27 import org.opengrok.indexer.analysis.AbstractAnalyzer; 28 import org.opengrok.indexer.analysis.AnalyzerFactory; 29 import org.opengrok.indexer.analysis.JFlexTokenizer; 30 import org.opengrok.indexer.analysis.JFlexXref; 31 import org.opengrok.indexer.analysis.plain.AbstractSourceCodeAnalyzer; 32 33 /** 34 * 35 * @author Lubos Kosco 36 * 37 */ 38 public class JavaScriptAnalyzer extends AbstractSourceCodeAnalyzer { 39 40 /** 41 * Creates a new instance of {@link JavaScriptAnalyzer}. 42 * @param factory defined instance for the analyzer 43 */ JavaScriptAnalyzer(AnalyzerFactory factory)44 protected JavaScriptAnalyzer(AnalyzerFactory factory) { 45 super(factory, () -> new JFlexTokenizer(new JavaScriptSymbolTokenizer( 46 AbstractAnalyzer.DUMMY_READER))); 47 } 48 49 /** 50 * @return {@code "JavaScript"} 51 */ 52 @Override getCtagsLang()53 public String getCtagsLang() { 54 return "JavaScript"; 55 } 56 57 /** 58 * Gets a version number to be used to tag processed documents so that 59 * re-analysis can be re-done later if a stored version number is different 60 * from the current implementation. 61 * @return 20191006_00 62 */ 63 @Override getSpecializedVersionNo()64 protected int getSpecializedVersionNo() { 65 return 20191006_00; // Edit comment above too! 66 } 67 68 /** 69 * Creates a wrapped {@link JavaScriptXref} instance. 70 * @param reader the data to produce xref for 71 * @return a defined instance 72 */ 73 @Override newXref(Reader reader)74 protected JFlexXref newXref(Reader reader) { 75 return new JFlexXref(new JavaScriptXref(reader)); 76 } 77 } 78