1 /* 2 * Copyright (c) 1999, 2022, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.tools.javac.util; 27 28 /** 29 * Access to the compiler's name table. Standard names are defined, 30 * as well as methods to create new names. 31 * 32 * <p><b>This is NOT part of any supported API. 33 * If you write code that depends on this, you do so at your own risk. 34 * This code and its internal interfaces are subject to change or 35 * deletion without notice.</b> 36 */ 37 public class Names { 38 39 public static final Context.Key<Names> namesKey = new Context.Key<>(); 40 41 public static Names instance(Context context) { 42 Names instance = context.get(namesKey); 43 if (instance == null) { 44 instance = new Names(context); 45 context.put(namesKey, instance); 46 } 47 return instance; 48 } 49 50 // operators and punctuation 51 public final Name asterisk; 52 public final Name comma; 53 public final Name empty; 54 public final Name hyphen; 55 public final Name one; 56 public final Name slash; 57 58 // keywords 59 public final Name _class; 60 public final Name _default; 61 public final Name _super; 62 public final Name _this; 63 public final Name var; 64 public final Name exports; 65 public final Name opens; 66 public final Name module; 67 public final Name provides; 68 public final Name requires; 69 public final Name to; 70 public final Name transitive; 71 public final Name uses; 72 public final Name open; 73 public final Name when; 74 public final Name with; 75 public final Name yield; 76 77 // field and method names 78 public final Name _name; 79 public final Name addSuppressed; 80 public final Name any; 81 public final Name append; 82 public final Name clinit; 83 public final Name clone; 84 public final Name close; 85 public final Name deserializeLambda; 86 public final Name desiredAssertionStatus; 87 public final Name equals; 88 public final Name error; 89 public final Name finalize; 90 public final Name forRemoval; 91 public final Name reflective; 92 public final Name getClass; 93 public final Name hasNext; 94 public final Name hashCode; 95 public final Name vnew; 96 public final Name init; 97 public final Name iterator; 98 public final Name length; 99 public final Name next; 100 public final Name ordinal; 101 public final Name provider; 102 public final Name serialVersionUID; 103 public final Name toString; 104 public final Name value; 105 public final Name primitive; 106 public final Name identity; 107 public final Name valueOf; 108 public final Name values; 109 public final Name readResolve; 110 public final Name readObject; 111 public final Name isValueObject; 112 113 // class names 114 public final Name java_io_Serializable; 115 public final Name java_lang_Class; 116 public final Name java_lang_Cloneable; 117 public final Name java_lang_Enum; 118 public final Name java_lang_Object; 119 public final Name java_lang_System; 120 121 // names of builtin classes 122 public final Name Array; 123 public final Name Bound; 124 public final Name Method; 125 126 // package names 127 public final Name java; 128 public final Name java_lang; 129 public final Name jdk_internal_javac; 130 131 // module names 132 public final Name java_base; 133 public final Name jdk_unsupported; 134 135 // attribute names 136 public final Name Annotation; 137 public final Name AnnotationDefault; 138 public final Name BootstrapMethods; 139 public final Name Bridge; 140 public final Name CharacterRangeTable; 141 public final Name Code; 142 public final Name CompilationID; 143 public final Name ConstantValue; 144 public final Name Deprecated; 145 public final Name EnclosingMethod; 146 public final Name Enum; 147 public final Name Exceptions; 148 public final Name InnerClasses; 149 public final Name LineNumberTable; 150 public final Name LocalVariableTable; 151 public final Name LocalVariableTypeTable; 152 public final Name MethodParameters; 153 public final Name Module; 154 public final Name ModuleResolution; 155 public final Name NestHost; 156 public final Name NestMembers; 157 public final Name Preload; 158 public final Name Record; 159 public final Name RuntimeInvisibleAnnotations; 160 public final Name RuntimeInvisibleParameterAnnotations; 161 public final Name RuntimeInvisibleTypeAnnotations; 162 public final Name RuntimeVisibleAnnotations; 163 public final Name RuntimeVisibleParameterAnnotations; 164 public final Name RuntimeVisibleTypeAnnotations; 165 public final Name Signature; 166 public final Name SourceFile; 167 public final Name SourceID; 168 public final Name StackMap; 169 public final Name StackMapTable; 170 public final Name Synthetic; 171 public final Name Value; 172 public final Name Varargs; 173 public final Name PermittedSubclasses; 174 175 // members of java.lang.annotation.ElementType 176 public final Name ANNOTATION_TYPE; 177 public final Name CONSTRUCTOR; 178 public final Name FIELD; 179 public final Name LOCAL_VARIABLE; 180 public final Name METHOD; 181 public final Name MODULE; 182 public final Name PACKAGE; 183 public final Name PARAMETER; 184 public final Name TYPE; 185 public final Name TYPE_PARAMETER; 186 public final Name TYPE_USE; 187 public final Name RECORD_COMPONENT; 188 189 // members of java.lang.annotation.RetentionPolicy 190 public final Name CLASS; 191 public final Name RUNTIME; 192 public final Name SOURCE; 193 194 // other identifiers 195 public final Name T; 196 public final Name ex; 197 public final Name module_info; 198 public final Name package_info; 199 public final Name requireNonNull; 200 201 // lambda-related 202 public final Name lambda; 203 public final Name metafactory; 204 public final Name altMetafactory; 205 public final Name dollarThis; 206 207 // string concat 208 public final Name makeConcat; 209 public final Name makeConcatWithConstants; 210 211 // values 212 public final Name dollarValue; 213 public final Name ref; 214 public final Name val; 215 216 217 // record related 218 // members of java.lang.runtime.ObjectMethods 219 public final Name bootstrap; 220 221 public final Name record; 222 public final Name non; 223 224 // serialization members, used by records too 225 public final Name serialPersistentFields; 226 public final Name writeObject; 227 public final Name writeReplace; 228 public final Name readObjectNoData; 229 230 // sealed types 231 public final Name permits; 232 public final Name sealed; 233 234 // pattern switches 235 public final Name typeSwitch; 236 public final Name enumSwitch; 237 238 public final Name.Table table; 239 240 public Names(Context context) { 241 Options options = Options.instance(context); 242 table = createTable(options); 243 244 // operators and punctuation 245 asterisk = fromString("*"); 246 comma = fromString(","); 247 empty = fromString(""); 248 hyphen = fromString("-"); 249 one = fromString("1"); 250 slash = fromString("/"); 251 252 // keywords 253 _class = fromString("class"); 254 _default = fromString("default"); 255 _super = fromString("super"); 256 _this = fromString("this"); 257 var = fromString("var"); 258 exports = fromString("exports"); 259 opens = fromString("opens"); 260 module = fromString("module"); 261 provides = fromString("provides"); 262 requires = fromString("requires"); 263 to = fromString("to"); 264 transitive = fromString("transitive"); 265 uses = fromString("uses"); 266 open = fromString("open"); 267 when = fromString("when"); 268 with = fromString("with"); 269 yield = fromString("yield"); 270 271 // field and method names 272 _name = fromString("name"); 273 addSuppressed = fromString("addSuppressed"); 274 any = fromString("<any>"); 275 append = fromString("append"); 276 clinit = fromString("<clinit>"); 277 clone = fromString("clone"); 278 close = fromString("close"); 279 deserializeLambda = fromString("$deserializeLambda$"); 280 desiredAssertionStatus = fromString("desiredAssertionStatus"); 281 equals = fromString("equals"); 282 error = fromString("<error>"); 283 finalize = fromString("finalize"); 284 forRemoval = fromString("forRemoval"); 285 reflective = fromString("reflective"); 286 getClass = fromString("getClass"); 287 hasNext = fromString("hasNext"); 288 hashCode = fromString("hashCode"); 289 vnew = fromString("<vnew>"); 290 init = fromString("<init>"); 291 iterator = fromString("iterator"); 292 length = fromString("length"); 293 next = fromString("next"); 294 ordinal = fromString("ordinal"); 295 provider = fromString("provider"); 296 serialVersionUID = fromString("serialVersionUID"); 297 toString = fromString("toString"); 298 value = fromString("value"); 299 primitive = fromString("primitive"); 300 identity = fromString("identity"); 301 valueOf = fromString("valueOf"); 302 values = fromString("values"); 303 readResolve = fromString("readResolve"); 304 readObject = fromString("readObject"); 305 isValueObject = fromString("isValueObject"); 306 dollarThis = fromString("$this"); 307 308 // class names 309 java_io_Serializable = fromString("java.io.Serializable"); 310 java_lang_Class = fromString("java.lang.Class"); 311 java_lang_Cloneable = fromString("java.lang.Cloneable"); 312 java_lang_Enum = fromString("java.lang.Enum"); 313 java_lang_Object = fromString("java.lang.Object"); 314 java_lang_System = fromString("java.lang.System"); 315 316 // names of builtin classes 317 Array = fromString("Array"); 318 Bound = fromString("Bound"); 319 Method = fromString("Method"); 320 321 // package names 322 java = fromString("java"); 323 java_lang = fromString("java.lang"); 324 jdk_internal_javac = fromString("jdk.internal.javac"); 325 326 // module names 327 java_base = fromString("java.base"); 328 jdk_unsupported = fromString("jdk.unsupported"); 329 330 // attribute names 331 Annotation = fromString("Annotation"); 332 AnnotationDefault = fromString("AnnotationDefault"); 333 BootstrapMethods = fromString("BootstrapMethods"); 334 Bridge = fromString("Bridge"); 335 CharacterRangeTable = fromString("CharacterRangeTable"); 336 Code = fromString("Code"); 337 CompilationID = fromString("CompilationID"); 338 ConstantValue = fromString("ConstantValue"); 339 Deprecated = fromString("Deprecated"); 340 EnclosingMethod = fromString("EnclosingMethod"); 341 Enum = fromString("Enum"); 342 Exceptions = fromString("Exceptions"); 343 InnerClasses = fromString("InnerClasses"); 344 LineNumberTable = fromString("LineNumberTable"); 345 LocalVariableTable = fromString("LocalVariableTable"); 346 LocalVariableTypeTable = fromString("LocalVariableTypeTable"); 347 MethodParameters = fromString("MethodParameters"); 348 Module = fromString("Module"); 349 ModuleResolution = fromString("ModuleResolution"); 350 NestHost = fromString("NestHost"); 351 NestMembers = fromString("NestMembers"); 352 Preload = fromString("Preload"); 353 Record = fromString("Record"); 354 RuntimeInvisibleAnnotations = fromString("RuntimeInvisibleAnnotations"); 355 RuntimeInvisibleParameterAnnotations = fromString("RuntimeInvisibleParameterAnnotations"); 356 RuntimeInvisibleTypeAnnotations = fromString("RuntimeInvisibleTypeAnnotations"); 357 RuntimeVisibleAnnotations = fromString("RuntimeVisibleAnnotations"); 358 RuntimeVisibleParameterAnnotations = fromString("RuntimeVisibleParameterAnnotations"); 359 RuntimeVisibleTypeAnnotations = fromString("RuntimeVisibleTypeAnnotations"); 360 Signature = fromString("Signature"); 361 SourceFile = fromString("SourceFile"); 362 SourceID = fromString("SourceID"); 363 StackMap = fromString("StackMap"); 364 StackMapTable = fromString("StackMapTable"); 365 Synthetic = fromString("Synthetic"); 366 Value = fromString("Value"); 367 Varargs = fromString("Varargs"); 368 PermittedSubclasses = fromString("PermittedSubclasses"); 369 370 // members of java.lang.annotation.ElementType 371 ANNOTATION_TYPE = fromString("ANNOTATION_TYPE"); 372 CONSTRUCTOR = fromString("CONSTRUCTOR"); 373 FIELD = fromString("FIELD"); 374 LOCAL_VARIABLE = fromString("LOCAL_VARIABLE"); 375 METHOD = fromString("METHOD"); 376 MODULE = fromString("MODULE"); 377 PACKAGE = fromString("PACKAGE"); 378 PARAMETER = fromString("PARAMETER"); 379 TYPE = fromString("TYPE"); 380 TYPE_PARAMETER = fromString("TYPE_PARAMETER"); 381 TYPE_USE = fromString("TYPE_USE"); 382 RECORD_COMPONENT = fromString("RECORD_COMPONENT"); 383 384 // members of java.lang.annotation.RetentionPolicy 385 CLASS = fromString("CLASS"); 386 RUNTIME = fromString("RUNTIME"); 387 SOURCE = fromString("SOURCE"); 388 389 // other identifiers 390 T = fromString("T"); 391 ex = fromString("ex"); 392 module_info = fromString("module-info"); 393 package_info = fromString("package-info"); 394 requireNonNull = fromString("requireNonNull"); 395 396 //lambda-related 397 lambda = fromString("lambda$"); 398 metafactory = fromString("metafactory"); 399 altMetafactory = fromString("altMetafactory"); 400 401 // string concat 402 makeConcat = fromString("makeConcat"); 403 makeConcatWithConstants = fromString("makeConcatWithConstants"); 404 405 // primitive classes 406 dollarValue = fromString("$value"); 407 ref = fromString("ref"); 408 val = fromString("val"); 409 410 bootstrap = fromString("bootstrap"); 411 record = fromString("record"); 412 non = fromString("non"); 413 414 serialPersistentFields = fromString("serialPersistentFields"); 415 writeObject = fromString("writeObject"); 416 writeReplace = fromString("writeReplace"); 417 readObjectNoData = fromString("readObjectNoData"); 418 419 // sealed types 420 permits = fromString("permits"); 421 sealed = fromString("sealed"); 422 423 // pattern switches 424 typeSwitch = fromString("typeSwitch"); 425 enumSwitch = fromString("enumSwitch"); 426 } 427 428 protected Name.Table createTable(Options options) { 429 boolean useUnsharedTable = options.isSet("useUnsharedTable"); 430 if (useUnsharedTable) 431 return UnsharedNameTable.create(this); 432 else 433 return SharedNameTable.create(this); 434 } 435 436 public boolean isInitOrVNew(Name name) { 437 return name == init || name == vnew; 438 } 439 440 public void dispose() { 441 table.dispose(); 442 } 443 444 public Name fromChars(char[] cs, int start, int len) { 445 return table.fromChars(cs, start, len); 446 } 447 448 public Name fromString(String s) { 449 return table.fromString(s); 450 } 451 452 public Name fromUtf(byte[] cs) { 453 return table.fromUtf(cs); 454 } 455 456 public Name fromUtf(byte[] cs, int start, int len) { 457 return table.fromUtf(cs, start, len); 458 } 459 }