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