Mercurial > projects > dwt-addons
annotate dwtx/jface/text/rules/Token.d @ 199:eb98a5cbfd78
Fix: potential problem with synchronized, thx torhu.
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Fri, 13 Mar 2009 17:03:26 +0100 |
| parents | 1a5b8f8129df |
| children |
| rev | line source |
|---|---|
| 129 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2006 IBM Corporation and others. | |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Port to the D programming language: | |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 12 *******************************************************************************/ | |
| 13 | |
| 131 | 14 |
| 151 | 15 module dwtx.jface.text.rules.Token; |
| 16 | |
| 131 | 17 import dwtx.jface.text.rules.FastPartitioner; // packageimport |
| 18 import dwtx.jface.text.rules.ITokenScanner; // packageimport | |
| 19 import dwtx.jface.text.rules.RuleBasedScanner; // packageimport | |
| 20 import dwtx.jface.text.rules.EndOfLineRule; // packageimport | |
| 21 import dwtx.jface.text.rules.WordRule; // packageimport | |
| 22 import dwtx.jface.text.rules.WhitespaceRule; // packageimport | |
| 23 import dwtx.jface.text.rules.WordPatternRule; // packageimport | |
| 24 import dwtx.jface.text.rules.IPredicateRule; // packageimport | |
| 25 import dwtx.jface.text.rules.DefaultPartitioner; // packageimport | |
| 26 import dwtx.jface.text.rules.NumberRule; // packageimport | |
| 27 import dwtx.jface.text.rules.SingleLineRule; // packageimport | |
| 28 import dwtx.jface.text.rules.PatternRule; // packageimport | |
| 29 import dwtx.jface.text.rules.RuleBasedDamagerRepairer; // packageimport | |
| 30 import dwtx.jface.text.rules.ICharacterScanner; // packageimport | |
| 31 import dwtx.jface.text.rules.IRule; // packageimport | |
| 32 import dwtx.jface.text.rules.DefaultDamagerRepairer; // packageimport | |
| 33 import dwtx.jface.text.rules.IToken; // packageimport | |
| 34 import dwtx.jface.text.rules.IPartitionTokenScanner; // packageimport | |
| 35 import dwtx.jface.text.rules.MultiLineRule; // packageimport | |
| 36 import dwtx.jface.text.rules.RuleBasedPartitioner; // packageimport | |
| 37 import dwtx.jface.text.rules.RuleBasedPartitionScanner; // packageimport | |
| 38 import dwtx.jface.text.rules.BufferedRuleBasedScanner; // packageimport | |
| 39 import dwtx.jface.text.rules.IWhitespaceDetector; // packageimport | |
| 40 | |
| 129 | 41 import dwt.dwthelper.utils; |
| 42 | |
| 43 import dwtx.core.runtime.Assert; | |
| 44 | |
| 45 | |
| 46 /** | |
| 47 * Standard implementation of <code>IToken</code>. | |
| 48 */ | |
| 49 public class Token : IToken { | |
| 50 | |
| 51 /** Internal token type: Undefined */ | |
| 147 | 52 private static const int T_UNDEFINED= 0; |
| 129 | 53 /** Internal token type: EOF */ |
| 147 | 54 private static const int T_EOF= 1; |
| 129 | 55 /** Internal token type: Whitespace */ |
| 147 | 56 private static const int T_WHITESPACE= 2; |
| 129 | 57 /** Internal token type: Others */ |
| 147 | 58 private static const int T_OTHER= 3; |
| 129 | 59 |
| 60 | |
| 61 /** | |
| 62 * Standard token: Undefined. | |
| 63 */ | |
| 162 | 64 public static IToken UNDEFINED_; |
| 65 public static IToken UNDEFINED(){ | |
| 66 if( UNDEFINED_ is null ){ | |
| 67 synchronized( Token.classinfo ){ | |
| 68 if( UNDEFINED_ is null ){ | |
| 69 UNDEFINED_ = new Token(T_UNDEFINED); | |
| 70 } | |
| 71 } | |
| 72 } | |
| 73 return UNDEFINED_; | |
| 74 } | |
| 129 | 75 /** |
| 76 * Standard token: End Of File. | |
| 77 */ | |
| 162 | 78 public static IToken EOF_; |
| 79 public static IToken EOF(){ | |
| 80 if( EOF_ is null ){ | |
| 81 synchronized( Token.classinfo ){ | |
| 82 if( EOF_ is null ){ | |
| 83 EOF_ = new Token(T_EOF); | |
| 84 } | |
| 85 } | |
| 86 } | |
| 87 return EOF_; | |
| 88 } | |
| 129 | 89 /** |
| 90 * Standard token: Whitespace. | |
| 91 */ | |
| 162 | 92 public static IToken WHITESPACE_; |
| 93 public static IToken WHITESPACE(){ | |
| 94 if( WHITESPACE_ is null ){ | |
| 95 synchronized( Token.classinfo ){ | |
| 96 if( WHITESPACE_ is null ){ | |
| 97 WHITESPACE_ = new Token(T_WHITESPACE); | |
| 98 } | |
| 99 } | |
| 100 } | |
| 101 return WHITESPACE_; | |
| 102 } | |
| 129 | 103 |
| 104 /** | |
| 105 * Standard token: Neither {@link #UNDEFINED}, {@link #WHITESPACE}, nor {@link #EOF}. | |
| 106 * @deprecated will be removed | |
| 107 */ | |
| 162 | 108 public static IToken OTHER_; |
| 109 public static IToken OTHER(){ | |
| 110 if( OTHER_ is null ){ | |
| 111 synchronized( Token.classinfo ){ | |
| 112 if( OTHER_ is null ){ | |
| 113 OTHER_ = new Token(T_OTHER); | |
| 114 } | |
| 115 } | |
| 116 } | |
| 117 return OTHER_; | |
| 118 } | |
| 129 | 119 |
| 120 /** The type of this token */ | |
| 121 private int fType; | |
| 122 /** The data associated with this token */ | |
| 123 private Object fData; | |
| 124 | |
| 125 /** | |
| 126 * Creates a new token according to the given specification which does not | |
| 127 * have any data attached to it. | |
| 128 * | |
| 129 * @param type the type of the token | |
| 130 * @since 2.0 | |
| 131 */ | |
|
133
7d818bd32d63
Fix ctors to this with gvim regexp
Frank Benoit <benoit@tionex.de>
parents:
131
diff
changeset
|
132 private this(int type) { |
| 129 | 133 fType= type; |
| 134 fData= null; | |
| 135 } | |
| 136 | |
| 137 /** | |
| 138 * Creates a new token which represents neither undefined, whitespace, nor EOF. | |
| 139 * The newly created token has the given data attached to it. | |
| 140 * | |
| 141 * @param data the data attached to the newly created token | |
| 142 */ | |
|
133
7d818bd32d63
Fix ctors to this with gvim regexp
Frank Benoit <benoit@tionex.de>
parents:
131
diff
changeset
|
143 public this(Object data) { |
| 129 | 144 fType= T_OTHER; |
| 145 fData= data; | |
| 146 } | |
| 147 | |
| 148 /** | |
| 149 * Re-initializes the data of this token. The token may not represent | |
| 150 * undefined, whitespace, or EOF. | |
| 151 * | |
| 152 * @param data to be attached to the token | |
| 153 * @since 2.0 | |
| 154 */ | |
| 155 public void setData(Object data) { | |
| 156 Assert.isTrue(isOther()); | |
| 157 fData= data; | |
| 158 } | |
| 159 | |
| 160 /* | |
| 161 * @see IToken#getData() | |
| 162 */ | |
| 163 public Object getData() { | |
| 164 return fData; | |
| 165 } | |
| 166 | |
| 167 /* | |
| 168 * @see IToken#isOther() | |
| 169 */ | |
| 170 public bool isOther() { | |
| 171 return (fType is T_OTHER); | |
| 172 } | |
| 173 | |
| 174 /* | |
| 175 * @see IToken#isEOF() | |
| 176 */ | |
| 177 public bool isEOF() { | |
| 178 return (fType is T_EOF); | |
| 179 } | |
| 180 | |
| 181 /* | |
| 182 * @see IToken#isWhitespace() | |
| 183 */ | |
| 184 public bool isWhitespace() { | |
| 185 return (fType is T_WHITESPACE); | |
| 186 } | |
| 187 | |
| 188 /* | |
| 189 * @see IToken#isUndefined() | |
| 190 */ | |
| 191 public bool isUndefined() { | |
| 192 return (fType is T_UNDEFINED); | |
| 193 } | |
| 194 } |