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, 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.vb; 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 Felix Annan 36 */ 37 public class VBAnalyzer extends AbstractSourceCodeAnalyzer { 38 39 /** 40 * Creates a new instance of VBAnalyzer. 41 * @param factory defined instance for the analyzer 42 */ VBAnalyzer(AnalyzerFactory factory)43 protected VBAnalyzer(AnalyzerFactory factory) { 44 super(factory, () -> new JFlexTokenizer(new VBSymbolTokenizer( 45 AbstractAnalyzer.DUMMY_READER))); 46 } 47 48 /** 49 * @return {@code null} as there is no aligned language 50 */ 51 @Override getCtagsLang()52 public String getCtagsLang() { 53 return null; 54 } 55 56 /** 57 * Gets a version number to be used to tag processed documents so that 58 * re-analysis can be re-done later if a stored version number is different 59 * from the current implementation. 60 * @return 20180208_00 61 */ 62 @Override getSpecializedVersionNo()63 protected int getSpecializedVersionNo() { 64 return 20180208_00; // Edit comment above too! 65 } 66 67 /** 68 * Creates a wrapped {@link VBXref} instance. 69 * @param reader the data to produce xref for 70 * @return a defined instance 71 */ 72 @Override newXref(Reader reader)73 protected JFlexXref newXref(Reader reader) { 74 return new JFlexXref(new VBXref(reader)); 75 } 76 } 77