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 // special annotation names 238 public final Name requiresIdentityInternal; 239 240 public final Name.Table table; 241 242 @SuppressWarnings("this-escape") 243 public Names(Context context) { 244 Options options = Options.instance(context); 245 table = createTable(options); 246 247 // operators and punctuation 248 asterisk = fromString("*"); 249 comma = fromString(","); 250 empty = fromString(""); 251 hyphen = fromString("-"); 252 one = fromString("1"); 253 slash = fromString("/"); 254 255 // keywords 256 _class = fromString("class"); 257 _super = fromString("super"); 258 _this = fromString("this"); 259 var = fromString("var"); 260 exports = fromString("exports"); 261 opens = fromString("opens"); 262 module = fromString("module"); 263 provides = fromString("provides"); 264 requires = fromString("requires"); 265 to = fromString("to"); 266 transitive = fromString("transitive"); 267 uses = fromString("uses"); 268 open = fromString("open"); 269 underscore = fromString("_"); 270 when = fromString("when"); 271 with = fromString("with"); 272 yield = fromString("yield"); 273 274 // field and method names 275 _name = fromString("name"); 276 addSuppressed = fromString("addSuppressed"); 277 any = fromString("<any>"); 278 append = fromString("append"); 279 clinit = fromString("<clinit>"); 280 clone = fromString("clone"); 281 close = fromString("close"); 282 deserializeLambda = fromString("$deserializeLambda$"); 283 desiredAssertionStatus = fromString("desiredAssertionStatus"); 284 equals = fromString("equals"); 285 error = fromString("<error>"); 286 finalize = fromString("finalize"); 287 forRemoval = fromString("forRemoval"); 288 reflective = fromString("reflective"); 289 getClass = fromString("getClass"); 290 hasNext = fromString("hasNext"); 291 hashCode = fromString("hashCode"); 292 init = fromString("<init>"); 293 invoke = fromString("invoke"); 294 iterator = fromString("iterator"); 295 length = fromString("length"); 296 next = fromString("next"); 297 of = fromString("of"); 298 ordinal = fromString("ordinal"); 299 provider = fromString("provider"); 300 serialVersionUID = fromString("serialVersionUID"); 301 toString = fromString("toString"); 302 value = fromString("value"); 303 valueOf = fromString("valueOf"); 304 values = fromString("values"); 305 readResolve = fromString("readResolve"); 306 readObject = fromString("readObject"); 307 dollarThis = fromString("$this"); 308 309 // class names 310 java_io_Serializable = fromString("java.io.Serializable"); 311 java_lang_Class = fromString("java.lang.Class"); 312 java_lang_Cloneable = fromString("java.lang.Cloneable"); 313 java_lang_Enum = fromString("java.lang.Enum"); 314 java_lang_Object = fromString("java.lang.Object"); 315 java_lang_System = fromString("java.lang.System"); 316 317 // names of builtin classes 318 Array = fromString("Array"); 319 Bound = fromString("Bound"); 320 Method = fromString("Method"); 321 322 // package names 323 java = fromString("java"); 324 java_lang = fromString("java.lang"); 325 jdk_internal_javac = fromString("jdk.internal.javac"); 326 327 // module names 328 java_base = fromString("java.base"); 329 java_se = fromString("java.se"); 330 jdk_unsupported = fromString("jdk.unsupported"); 331 332 // attribute names 333 Annotation = fromString("Annotation"); 334 AnnotationDefault = fromString("AnnotationDefault"); 335 BootstrapMethods = fromString("BootstrapMethods"); 336 Bridge = fromString("Bridge"); 337 CharacterRangeTable = fromString("CharacterRangeTable"); 338 Code = fromString("Code"); 339 CompilationID = fromString("CompilationID"); 340 ConstantValue = fromString("ConstantValue"); 341 Deprecated = fromString("Deprecated"); 342 EnclosingMethod = fromString("EnclosingMethod"); 343 Enum = fromString("Enum"); 344 Exceptions = fromString("Exceptions"); 345 InnerClasses = fromString("InnerClasses"); 346 LineNumberTable = fromString("LineNumberTable"); 347 LocalVariableTable = fromString("LocalVariableTable"); 348 LocalVariableTypeTable = fromString("LocalVariableTypeTable"); 349 MethodParameters = fromString("MethodParameters"); 350 Module = fromString("Module"); 351 ModuleResolution = fromString("ModuleResolution"); 352 NestHost = fromString("NestHost"); 353 NestMembers = fromString("NestMembers"); 354 LoadableDescriptors = fromString("LoadableDescriptors"); 355 Record = fromString("Record"); 356 RuntimeInvisibleAnnotations = fromString("RuntimeInvisibleAnnotations"); 357 RuntimeInvisibleParameterAnnotations = fromString("RuntimeInvisibleParameterAnnotations"); 358 RuntimeInvisibleTypeAnnotations = fromString("RuntimeInvisibleTypeAnnotations"); 359 RuntimeVisibleAnnotations = fromString("RuntimeVisibleAnnotations"); 360 RuntimeVisibleParameterAnnotations = fromString("RuntimeVisibleParameterAnnotations"); 361 RuntimeVisibleTypeAnnotations = fromString("RuntimeVisibleTypeAnnotations"); 362 Signature = fromString("Signature"); 363 SourceFile = fromString("SourceFile"); 364 SourceID = fromString("SourceID"); 365 StackMap = fromString("StackMap"); 366 StackMapTable = fromString("StackMapTable"); 367 Synthetic = fromString("Synthetic"); 368 Value = fromString("Value"); 369 Varargs = fromString("Varargs"); 370 PermittedSubclasses = fromString("PermittedSubclasses"); 371 372 // members of java.lang.annotation.ElementType 373 ANNOTATION_TYPE = fromString("ANNOTATION_TYPE"); 374 CONSTRUCTOR = fromString("CONSTRUCTOR"); 375 FIELD = fromString("FIELD"); 376 LOCAL_VARIABLE = fromString("LOCAL_VARIABLE"); 377 METHOD = fromString("METHOD"); 378 MODULE = fromString("MODULE"); 379 PACKAGE = fromString("PACKAGE"); 380 PARAMETER = fromString("PARAMETER"); 381 TYPE = fromString("TYPE"); 382 TYPE_PARAMETER = fromString("TYPE_PARAMETER"); 383 TYPE_USE = fromString("TYPE_USE"); 384 RECORD_COMPONENT = fromString("RECORD_COMPONENT"); 385 386 // members of java.lang.annotation.RetentionPolicy 387 CLASS = fromString("CLASS"); 388 RUNTIME = fromString("RUNTIME"); 389 SOURCE = fromString("SOURCE"); 390 391 // other identifiers 392 T = fromString("T"); 393 ex = fromString("ex"); 394 module_info = fromString("module-info"); 395 package_info = fromString("package-info"); 396 requireNonNull = fromString("requireNonNull"); 397 main = fromString("main"); 398 399 //lambda-related 400 lambda = fromString("lambda$"); 401 metafactory = fromString("metafactory"); 402 altMetafactory = fromString("altMetafactory"); 403 404 // string concat 405 makeConcat = fromString("makeConcat"); 406 makeConcatWithConstants = fromString("makeConcatWithConstants"); 407 408 dollarValue = fromString("$value"); 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"); 422 423 424 // pattern switches 425 typeSwitch = fromString("typeSwitch"); 426 enumSwitch = fromString("enumSwitch"); 427 enumConstant = fromString("enumConstant"); 428 429 // special annotations: 430 requiresIdentityInternal = fromString("jdk.internal.RequiresIdentity+Annotation"); 431 } 432 433 protected Name.Table createTable(Options options) { 434 boolean useUnsharedTable = options.isSet("useUnsharedTable"); 435 if (useUnsharedTable) 436 return newUnsharedNameTable(); 437 boolean useSharedTable = options.isSet("useSharedTable"); 438 if (useSharedTable) 439 return newSharedNameTable(); 440 boolean internStringTable = options.isSet("internStringTable"); 441 return newStringNameTable(internStringTable); 442 } 443 444 public StringNameTable newStringNameTable(boolean intern) { 445 return StringNameTable.create(this, intern); 446 } 447 448 public SharedNameTable newSharedNameTable() { 449 return SharedNameTable.create(this); 450 } 451 452 public UnsharedNameTable newUnsharedNameTable() { 453 return UnsharedNameTable.create(this); 454 } 455 456 public boolean isInit(Name name) { 457 return name == init; 458 } 459 460 public void dispose() { 461 table.dispose(); 462 } 463 464 public Name fromChars(char[] cs, int start, int len) { 465 return table.fromChars(cs, start, len); 466 } 467 468 public Name fromString(String s) { 469 return table.fromString(s); 470 } 471 472 public Name fromUtf(byte[] cs) throws InvalidUtfException { 473 return table.fromUtf(cs); 474 } 475 476 public Name fromUtf(byte[] cs, int start, int len, Convert.Validation validation) throws InvalidUtfException { 477 return table.fromUtf(cs, start, len, validation); 478 } 479 480 public Name fromUtfLax(byte[] cs, int start, int len) { 481 try { 482 return table.fromUtf(cs, start, len, Convert.Validation.NONE); 483 } catch (InvalidUtfException e) { 484 throw new AssertionError(e); 485 } 486 } 487 }