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 java_se; 132 public final Name jdk_unsupported; 133 134 // attribute names 135 public final Name Annotation; 136 public final Name AnnotationDefault; 137 public final Name BootstrapMethods; 138 public final Name Bridge; 139 public final Name CharacterRangeTable; 140 public final Name Code; 141 public final Name CompilationID; 142 public final Name ConstantValue; 143 public final Name Deprecated; 144 public final Name EnclosingMethod; 145 public final Name Enum; 146 public final Name Exceptions; 147 public final Name InnerClasses; 148 public final Name LineNumberTable; 149 public final Name LocalVariableTable; 150 public final Name LocalVariableTypeTable; 151 public final Name MethodParameters; 152 public final Name Module; 153 public final Name ModuleResolution; 154 public final Name NestHost; 155 public final Name NestMembers; 156 public final Name LoadableDescriptors; 157 public final Name Record; 158 public final Name RuntimeInvisibleAnnotations; 159 public final Name RuntimeInvisibleParameterAnnotations; 160 public final Name RuntimeInvisibleTypeAnnotations; 161 public final Name RuntimeVisibleAnnotations; 162 public final Name RuntimeVisibleParameterAnnotations; 163 public final Name RuntimeVisibleTypeAnnotations; 164 public final Name Signature; 165 public final Name SourceFile; 166 public final Name SourceID; 167 public final Name StackMap; 168 public final Name StackMapTable; 169 public final Name Synthetic; 170 public final Name Value; 171 public final Name Varargs; 172 public final Name PermittedSubclasses; 173 174 // members of java.lang.annotation.ElementType 175 public final Name ANNOTATION_TYPE; 176 public final Name CONSTRUCTOR; 177 public final Name FIELD; 178 public final Name LOCAL_VARIABLE; 179 public final Name METHOD; 180 public final Name MODULE; 181 public final Name PACKAGE; 182 public final Name PARAMETER; 183 public final Name TYPE; 184 public final Name TYPE_PARAMETER; 185 public final Name TYPE_USE; 186 public final Name RECORD_COMPONENT; 187 188 // members of java.lang.annotation.RetentionPolicy 189 public final Name CLASS; 190 public final Name RUNTIME; 191 public final Name SOURCE; 192 193 // other identifiers 194 public final Name T; 195 public final Name ex; 196 public final Name module_info; 197 public final Name package_info; 198 public final Name requireNonNull; 199 public final Name main; 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; 213 214 215 // record related 216 // members of java.lang.runtime.ObjectMethods 217 public final Name bootstrap; 218 219 public final Name record; 220 public final Name non; 221 222 // serialization members, used by records too 223 public final Name serialPersistentFields; 224 public final Name writeObject; 225 public final Name writeReplace; 226 public final Name readObjectNoData; 227 228 // sealed types 229 public final Name permits; 230 public final Name sealed; 231 232 // pattern switches 233 public final Name typeSwitch; 234 public final Name enumSwitch; 235 public final Name enumConstant; 236 237 public final Name.Table table; 238 239 @SuppressWarnings("this-escape") 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 _super = fromString("super"); 255 _this = fromString("this"); 256 var = fromString("var"); 257 exports = fromString("exports"); 258 opens = fromString("opens"); 259 module = fromString("module"); 260 provides = fromString("provides"); 261 requires = fromString("requires"); 262 to = fromString("to"); 263 transitive = fromString("transitive"); 264 uses = fromString("uses"); 265 open = fromString("open"); 266 underscore = fromString("_"); 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 init = fromString("<init>"); 290 invoke = fromString("invoke"); 291 iterator = fromString("iterator"); 292 length = fromString("length"); 293 next = fromString("next"); 294 of = fromString("of"); 295 ordinal = fromString("ordinal"); 296 provider = fromString("provider"); 297 serialVersionUID = fromString("serialVersionUID"); 298 toString = fromString("toString"); 299 value = fromString("value"); 300 valueOf = fromString("valueOf"); 301 values = fromString("values"); 302 readResolve = fromString("readResolve"); 303 readObject = fromString("readObject"); 304 dollarThis = fromString("$this"); 305 306 // class names 307 java_io_Serializable = fromString("java.io.Serializable"); 308 java_lang_Class = fromString("java.lang.Class"); 309 java_lang_Cloneable = fromString("java.lang.Cloneable"); 310 java_lang_Enum = fromString("java.lang.Enum"); 311 java_lang_Object = fromString("java.lang.Object"); 312 java_lang_System = fromString("java.lang.System"); 313 314 // names of builtin classes 315 Array = fromString("Array"); 316 Bound = fromString("Bound"); 317 Method = fromString("Method"); 318 319 // package names 320 java = fromString("java"); 321 java_lang = fromString("java.lang"); 322 jdk_internal_javac = fromString("jdk.internal.javac"); 323 324 // module names 325 java_base = fromString("java.base"); 326 java_se = fromString("java.se"); 327 jdk_unsupported = fromString("jdk.unsupported"); 328 329 // attribute names 330 Annotation = fromString("Annotation"); 331 AnnotationDefault = fromString("AnnotationDefault"); 332 BootstrapMethods = fromString("BootstrapMethods"); 333 Bridge = fromString("Bridge"); 334 CharacterRangeTable = fromString("CharacterRangeTable"); 335 Code = fromString("Code"); 336 CompilationID = fromString("CompilationID"); 337 ConstantValue = fromString("ConstantValue"); 338 Deprecated = fromString("Deprecated"); 339 EnclosingMethod = fromString("EnclosingMethod"); 340 Enum = fromString("Enum"); 341 Exceptions = fromString("Exceptions"); 342 InnerClasses = fromString("InnerClasses"); 343 LineNumberTable = fromString("LineNumberTable"); 344 LocalVariableTable = fromString("LocalVariableTable"); 345 LocalVariableTypeTable = fromString("LocalVariableTypeTable"); 346 MethodParameters = fromString("MethodParameters"); 347 Module = fromString("Module"); 348 ModuleResolution = fromString("ModuleResolution"); 349 NestHost = fromString("NestHost"); 350 NestMembers = fromString("NestMembers"); 351 LoadableDescriptors = fromString("LoadableDescriptors"); 352 Record = fromString("Record"); 353 RuntimeInvisibleAnnotations = fromString("RuntimeInvisibleAnnotations"); 354 RuntimeInvisibleParameterAnnotations = fromString("RuntimeInvisibleParameterAnnotations"); 355 RuntimeInvisibleTypeAnnotations = fromString("RuntimeInvisibleTypeAnnotations"); 356 RuntimeVisibleAnnotations = fromString("RuntimeVisibleAnnotations"); 357 RuntimeVisibleParameterAnnotations = fromString("RuntimeVisibleParameterAnnotations"); 358 RuntimeVisibleTypeAnnotations = fromString("RuntimeVisibleTypeAnnotations"); 359 Signature = fromString("Signature"); 360 SourceFile = fromString("SourceFile"); 361 SourceID = fromString("SourceID"); 362 StackMap = fromString("StackMap"); 363 StackMapTable = fromString("StackMapTable"); 364 Synthetic = fromString("Synthetic"); 365 Value = fromString("Value"); 366 Varargs = fromString("Varargs"); 367 PermittedSubclasses = fromString("PermittedSubclasses"); 368 369 // members of java.lang.annotation.ElementType 370 ANNOTATION_TYPE = fromString("ANNOTATION_TYPE"); 371 CONSTRUCTOR = fromString("CONSTRUCTOR"); 372 FIELD = fromString("FIELD"); 373 LOCAL_VARIABLE = fromString("LOCAL_VARIABLE"); 374 METHOD = fromString("METHOD"); 375 MODULE = fromString("MODULE"); 376 PACKAGE = fromString("PACKAGE"); 377 PARAMETER = fromString("PARAMETER"); 378 TYPE = fromString("TYPE"); 379 TYPE_PARAMETER = fromString("TYPE_PARAMETER"); 380 TYPE_USE = fromString("TYPE_USE"); 381 RECORD_COMPONENT = fromString("RECORD_COMPONENT"); 382 383 // members of java.lang.annotation.RetentionPolicy 384 CLASS = fromString("CLASS"); 385 RUNTIME = fromString("RUNTIME"); 386 SOURCE = fromString("SOURCE"); 387 388 // other identifiers 389 T = fromString("T"); 390 ex = fromString("ex"); 391 module_info = fromString("module-info"); 392 package_info = fromString("package-info"); 393 requireNonNull = fromString("requireNonNull"); 394 main = fromString("main"); 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 dollarValue = fromString("$value"); 406 407 bootstrap = fromString("bootstrap"); 408 record = fromString("record"); 409 non = fromString("non"); 410 411 serialPersistentFields = fromString("serialPersistentFields"); 412 writeObject = fromString("writeObject"); 413 writeReplace = fromString("writeReplace"); 414 readObjectNoData = fromString("readObjectNoData"); 415 416 // sealed types 417 permits = fromString("permits"); 418 sealed = fromString("sealed"); 419 420 421 // pattern switches 422 typeSwitch = fromString("typeSwitch"); 423 enumSwitch = fromString("enumSwitch"); 424 enumConstant = fromString("enumConstant"); 425 } 426 427 protected Name.Table createTable(Options options) { 428 boolean useUnsharedTable = options.isSet("useUnsharedTable"); 429 if (useUnsharedTable) 430 return newUnsharedNameTable(); 431 boolean useSharedTable = options.isSet("useSharedTable"); 432 if (useSharedTable) 433 return newSharedNameTable(); 434 boolean internStringTable = options.isSet("internStringTable"); 435 return newStringNameTable(internStringTable); 436 } 437 438 public StringNameTable newStringNameTable(boolean intern) { 439 return StringNameTable.create(this, intern); 440 } 441 442 public SharedNameTable newSharedNameTable() { 443 return SharedNameTable.create(this); 444 } 445 446 public UnsharedNameTable newUnsharedNameTable() { 447 return UnsharedNameTable.create(this); 448 } 449 450 public boolean isInit(Name name) { 451 return name == init; 452 } 453 454 public void dispose() { 455 table.dispose(); 456 } 457 458 public Name fromChars(char[] cs, int start, int len) { 459 return table.fromChars(cs, start, len); 460 } 461 462 public Name fromString(String s) { 463 return table.fromString(s); 464 } 465 466 public Name fromUtf(byte[] cs) throws InvalidUtfException { 467 return table.fromUtf(cs); 468 } 469 470 public Name fromUtf(byte[] cs, int start, int len, Convert.Validation validation) throws InvalidUtfException { 471 return table.fromUtf(cs, start, len, validation); 472 } 473 474 public Name fromUtfLax(byte[] cs, int start, int len) { 475 try { 476 return table.fromUtf(cs, start, len, Convert.Validation.NONE); 477 } catch (InvalidUtfException e) { 478 throw new AssertionError(e); 479 } 480 } 481 }