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) 2015, 2018, 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.erlang; 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 public class ErlangAnalyzer extends AbstractSourceCodeAnalyzer { 34 35 /** 36 * Creates a new instance of ErlangAnalyzer. 37 * @param factory defined instance for the analyzer 38 */ ErlangAnalyzer(AnalyzerFactory factory)39 protected ErlangAnalyzer(AnalyzerFactory factory) { 40 super(factory, () -> new JFlexTokenizer(new ErlangSymbolTokenizer( 41 AbstractAnalyzer.DUMMY_READER))); 42 } 43 44 /** 45 * @return {@code "Erlang"} 46 */ 47 @Override getCtagsLang()48 public String getCtagsLang() { 49 return "Erlang"; 50 } 51 52 /** 53 * Gets a version number to be used to tag processed documents so that 54 * re-analysis can be re-done later if a stored version number is different 55 * from the current implementation. 56 * @return 20180208_00 57 */ 58 @Override getSpecializedVersionNo()59 protected int getSpecializedVersionNo() { 60 return 20180208_00; // Edit comment above too! 61 } 62 63 /** 64 * Creates a wrapped {@link ErlangXref} instance. 65 * @param reader the data to produce xref for 66 * @return a defined instance 67 */ 68 @Override newXref(Reader reader)69 protected JFlexXref newXref(Reader reader) { 70 return new JFlexXref(new ErlangXref(reader)); 71 } 72 } 73