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