1 /* 2 * Copyright (c) 1999, 2024, 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 _super; 61 public final Name _this; 62 public final Name var; 63 public final Name exports; 64 public final Name opens; 65 public final Name module; 66 public final Name provides; 67 public final Name requires; 68 public final Name to; 69 public final Name transitive; 70 public final Name uses; 71 public final Name open; 72 public final Name underscore; 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 init; 96 public final Name invoke; 97 public final Name iterator; 98 public final Name length; 99 public final Name next; 100 public final Name of; 101 public final Name ordinal; 102 public final Name provider; 103 public final Name serialVersionUID; 104 public final Name toString; 105 public final Name value; 106 public final Name valueOf; 107 public final Name values; 108 public final Name readResolve; 109 public final Name readObject; 110 111 // class names 112 public final Name java_io_Serializable; 113 public final Name java_lang_Class; 114 public final Name java_lang_Cloneable; 115 public final Name java_lang_Enum; 116 public final Name java_lang_Object; 117 public final Name java_lang_System; 118 119 // names of builtin classes 120 public final Name Array; 121 public final Name Bound; 122 public final Name Method; 123 124 // package names 125 public final Name java; 126 public final Name java_lang; 127 public final Name jdk_internal_javac; 128 129 // module names 130 public final Name java_base; 131 public final Name jdk_unsupported; 132 133 // attribute names 134 public final Name Annotation; 135 public final Name AnnotationDefault; 136 public final Name BootstrapMethods; 137 public final Name Bridge; 138 public final Name CharacterRangeTable; 139 public final Name Code; 140 public final Name CompilationID; 141 public final Name ConstantValue; 142 public final Name Deprecated; 143 public final Name EnclosingMethod; 144 public final Name Enum; 145 public final Name Exceptions; 146 public final Name InnerClasses; 147 public final Name LineNumberTable; 148 public final Name LocalVariableTable; 149 public final Name LocalVariableTypeTable; 150 public final Name MethodParameters; 151 public final Name Module; 152 public final Name ModuleResolution; 153 public final Name NestHost; 154 public final Name NestMembers; 155 public final Name LoadableDescriptors; 156 public final Name Record; 157 public final Name RuntimeInvisibleAnnotations; 158 public final Name RuntimeInvisibleParameterAnnotations; 159 public final Name RuntimeInvisibleTypeAnnotations; 160 public final Name RuntimeVisibleAnnotations; 161 public final Name RuntimeVisibleParameterAnnotations; 162 public final Name RuntimeVisibleTypeAnnotations; 163 public final Name Signature; 164 public final Name SourceFile; 165 public final Name SourceID; 166 public final Name StackMap; 167 public final Name StackMapTable; 168 public final Name Synthetic; 169 public final Name Value; 170 public final Name Varargs; 171 public final Name PermittedSubclasses; 172 173 // members of java.lang.annotation.ElementType 174 public final Name ANNOTATION_TYPE; 175 public final Name CONSTRUCTOR; 176 public final Name FIELD; 177 public final Name LOCAL_VARIABLE; 178 public final Name METHOD; 179 public final Name MODULE; 180 public final Name PACKAGE; 181 public final Name PARAMETER; 182 public final Name TYPE; 183 public final Name TYPE_PARAMETER; 184 public final Name TYPE_USE; 185 public final Name RECORD_COMPONENT; 186 187 // members of java.lang.annotation.RetentionPolicy 188 public final Name CLASS; 189 public final Name RUNTIME; 190 public final Name SOURCE; 191 192 // other identifiers 193 public final Name T; 194 public final Name ex; 195 public final Name module_info; 196 public final Name package_info; 197 public final Name requireNonNull; 198 public final Name main; 199 200 // lambda-related 201 public final Name lambda; 202 public final Name metafactory; 203 public final Name altMetafactory; 204 public final Name dollarThis; 205 206 // string concat 207 public final Name makeConcat; 208 public final Name makeConcatWithConstants; 209 210 // values 211 public final Name dollarValue; 212 213 214 // record related 215 // members of java.lang.runtime.ObjectMethods 216 public final Name bootstrap; 217 218 public final Name record; 219 public final Name non; 220 221 // serialization members, used by records too 222 public final Name serialPersistentFields; 223 public final Name writeObject; 224 public final Name writeReplace; 225 public final Name readObjectNoData; 226 227 // sealed types 228 public final Name permits; 229 public final Name sealed; 230 231 // pattern switches 232 public final Name typeSwitch; 233 public final Name enumSwitch; 234 public final Name enumConstant; 235 236 public final Name.Table table; 237 238 @SuppressWarnings("this-escape") 239 public Names(Context context) { 240 Options options = Options.instance(context); 241 table = createTable(options); 242 243 // operators and punctuation 244 asterisk = fromString("*"); 245 comma = fromString(","); 246 empty = fromString(""); 247 hyphen = fromString("-"); 248 one = fromString("1"); 249 slash = fromString("/"); 250 251 // keywords 252 _class = fromString("class"); 253 _super = fromString("super"); 254 _this = fromString("this"); 255 var = fromString("var"); 256 exports = fromString("exports"); 257 opens = fromString("opens"); 258 module = fromString("module"); 259 provides = fromString("provides"); 260 requires = fromString("requires"); 261 to = fromString("to"); 262 transitive = fromString("transitive"); 263 uses = fromString("uses"); 264 open = fromString("open"); 265 underscore = fromString("_"); 266 when = fromString("when"); 267 with = fromString("with"); 268 yield = fromString("yield"); 269 270 // field and method names 271 _name = fromString("name"); 272 addSuppressed = fromString("addSuppressed"); 273 any = fromString("<any>"); 274 append = fromString("append"); 275 clinit = fromString("<clinit>"); 276 clone = fromString("clone"); 277 close = fromString("close"); 278 deserializeLambda = fromString("$deserializeLambda$"); 279 desiredAssertionStatus = fromString("desiredAssertionStatus"); 280 equals = fromString("equals"); 281 error = fromString("<error>"); 282 finalize = fromString("finalize"); 283 forRemoval = fromString("forRemoval"); 284 reflective = fromString("reflective"); 285 getClass = fromString("getClass"); 286 hasNext = fromString("hasNext"); 287 hashCode = fromString("hashCode"); 288 init = fromString("<init>"); 289 invoke = fromString("invoke"); 290 iterator = fromString("iterator"); 291 length = fromString("length"); 292 next = fromString("next"); 293 of = fromString("of"); 294 ordinal = fromString("ordinal"); 295 provider = fromString("provider"); 296 serialVersionUID = fromString("serialVersionUID"); 297 toString = fromString("toString"); 298 value = fromString("value"); 299 valueOf = fromString("valueOf"); 300 values = fromString("values"); 301 readResolve = fromString("readResolve"); 302 readObject = fromString("readObject"); 303 dollarThis = fromString("$this"); 304 305 // class names 306 java_io_Serializable = fromString("java.io.Serializable"); 307 java_lang_Class = fromString("java.lang.Class"); 308 java_lang_Cloneable = fromString("java.lang.Cloneable"); 309 java_lang_Enum = fromString("java.lang.Enum"); 310 java_lang_Object = fromString("java.lang.Object"); 311 java_lang_System = fromString("java.lang.System"); 312 313 // names of builtin classes 314 Array = fromString("Array"); 315 Bound = fromString("Bound"); 316 Method = fromString("Method"); 317 318 // package names 319 java = fromString("java"); 320 java_lang = fromString("java.lang"); 321 jdk_internal_javac = fromString("jdk.internal.javac"); 322 323 // module names 324 java_base = fromString("java.base"); 325 jdk_unsupported = fromString("jdk.unsupported"); 326 327 // attribute names 328 Annotation = fromString("Annotation"); 329 AnnotationDefault = fromString("AnnotationDefault"); 330 BootstrapMethods = fromString("BootstrapMethods"); 331 Bridge = fromString("Bridge"); 332 CharacterRangeTable = fromString("CharacterRangeTable"); 333 Code = fromString("Code"); 334 CompilationID = fromString("CompilationID"); 335 ConstantValue = fromString("ConstantValue"); 336 Deprecated = fromString("Deprecated"); 337 EnclosingMethod = fromString("EnclosingMethod"); 338 Enum = fromString("Enum"); 339 Exceptions = fromString("Exceptions"); 340 InnerClasses = fromString("InnerClasses"); 341 LineNumberTable = fromString("LineNumberTable"); 342 LocalVariableTable = fromString("LocalVariableTable"); 343 LocalVariableTypeTable = fromString("LocalVariableTypeTable"); 344 MethodParameters = fromString("MethodParameters"); 345 Module = fromString("Module"); 346 ModuleResolution = fromString("ModuleResolution"); 347 NestHost = fromString("NestHost"); 348 NestMembers = fromString("NestMembers"); 349 LoadableDescriptors = fromString("LoadableDescriptors"); 350 Record = fromString("Record"); 351 RuntimeInvisibleAnnotations = fromString("RuntimeInvisibleAnnotations"); 352 RuntimeInvisibleParameterAnnotations = fromString("RuntimeInvisibleParameterAnnotations"); 353 RuntimeInvisibleTypeAnnotations = fromString("RuntimeInvisibleTypeAnnotations"); 354 RuntimeVisibleAnnotations = fromString("RuntimeVisibleAnnotations"); 355 RuntimeVisibleParameterAnnotations = fromString("RuntimeVisibleParameterAnnotations"); 356 RuntimeVisibleTypeAnnotations = fromString("RuntimeVisibleTypeAnnotations"); 357 Signature = fromString("Signature"); 358 SourceFile = fromString("SourceFile"); 359 SourceID = fromString("SourceID"); 360 StackMap = fromString("StackMap"); 361 StackMapTable = fromString("StackMapTable"); 362 Synthetic = fromString("Synthetic"); 363 Value = fromString("Value"); 364 Varargs = fromString("Varargs"); 365 PermittedSubclasses = fromString("PermittedSubclasses"); 366 367 // members of java.lang.annotation.ElementType 368 ANNOTATION_TYPE = fromString("ANNOTATION_TYPE"); 369 CONSTRUCTOR = fromString("CONSTRUCTOR"); 370 FIELD = fromString("FIELD"); 371 LOCAL_VARIABLE = fromString("LOCAL_VARIABLE"); 372 METHOD = fromString("METHOD"); 373 MODULE = fromString("MODULE"); 374 PACKAGE = fromString("PACKAGE"); 375 PARAMETER = fromString("PARAMETER"); 376 TYPE = fromString("TYPE"); 377 TYPE_PARAMETER = fromString("TYPE_PARAMETER"); 378 TYPE_USE = fromString("TYPE_USE"); 379 RECORD_COMPONENT = fromString("RECORD_COMPONENT"); 380 381 // members of java.lang.annotation.RetentionPolicy 382 CLASS = fromString("CLASS"); 383 RUNTIME = fromString("RUNTIME"); 384 SOURCE = fromString("SOURCE"); 385 386 // other identifiers 387 T = fromString("T"); 388 ex = fromString("ex"); 389 module_info = fromString("module-info"); 390 package_info = fromString("package-info"); 391 requireNonNull = fromString("requireNonNull"); 392 main = fromString("main"); 393 394 //lambda-related 395 lambda = fromString("lambda$"); 396 metafactory = fromString("metafactory"); 397 altMetafactory = fromString("altMetafactory"); 398 399 // string concat 400 makeConcat = fromString("makeConcat"); 401 makeConcatWithConstants = fromString("makeConcatWithConstants"); 402 403 dollarValue = fromString("$value"); 404 405 bootstrap = fromString("bootstrap"); 406 record = fromString("record"); 407 non = fromString("non"); 408 409 serialPersistentFields = fromString("serialPersistentFields"); 410 writeObject = fromString("writeObject"); 411 writeReplace = fromString("writeReplace"); 412 readObjectNoData = fromString("readObjectNoData"); 413 414 // sealed types 415 permits = fromString("permits"); 416 sealed = fromString("sealed"); 417 418 419 // pattern switches 420 typeSwitch = fromString("typeSwitch"); 421 enumSwitch = fromString("enumSwitch"); 422 enumConstant = fromString("enumConstant"); 423 } 424 425 protected Name.Table createTable(Options options) { 426 boolean useUnsharedTable = options.isSet("useUnsharedTable"); 427 if (useUnsharedTable) 428 return newUnsharedNameTable(); 429 boolean useSharedTable = options.isSet("useSharedTable"); 430 if (useSharedTable) 431 return newSharedNameTable(); 432 boolean internStringTable = options.isSet("internStringTable"); 433 return newStringNameTable(internStringTable); 434 } 435 436 public StringNameTable newStringNameTable(boolean intern) { 437 return StringNameTable.create(this, intern); 438 } 439 440 public SharedNameTable newSharedNameTable() { 441 return SharedNameTable.create(this); 442 } 443 444 public UnsharedNameTable newUnsharedNameTable() { 445 return UnsharedNameTable.create(this); 446 } 447 448 public boolean isInit(Name name) { 449 return name == init; 450 } 451 452 public void dispose() { 453 table.dispose(); 454 } 455 456 public Name fromChars(char[] cs, int start, int len) { 457 return table.fromChars(cs, start, len); 458 } 459 460 public Name fromString(String s) { 461 return table.fromString(s); 462 } 463 464 public Name fromUtf(byte[] cs) throws InvalidUtfException { 465 return table.fromUtf(cs); 466 } 467 468 public Name fromUtf(byte[] cs, int start, int len, Convert.Validation validation) throws InvalidUtfException { 469 return table.fromUtf(cs, start, len, validation); 470 } 471 472 public Name fromUtfLax(byte[] cs, int start, int len) { 473 try { 474 return table.fromUtf(cs, start, len, Convert.Validation.NONE); 475 } catch (InvalidUtfException e) { 476 throw new AssertionError(e); 477 } 478 } 479 }