1 /*
  2  * Copyright (c) 1999, 2023, 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.code;
 27 
 28 import java.util.Collections;
 29 import java.util.EnumSet;
 30 import java.util.Map;
 31 import java.util.Set;
 32 import java.util.concurrent.ConcurrentHashMap;
 33 import java.util.stream.Collectors;
 34 
 35 import javax.lang.model.element.Modifier;
 36 
 37 import com.sun.tools.javac.util.Assert;
 38 import com.sun.tools.javac.util.StringUtils;
 39 
 40 /** Access flags and other modifiers for Java classes and members.
 41  *
 42  *  <p><b>This is NOT part of any supported API.
 43  *  If you write code that depends on this, you do so at your own risk.
 44  *  This code and its internal interfaces are subject to change or
 45  *  deletion without notice.</b>
 46  */
 47 public class Flags {
 48 
 49     private Flags() {} // uninstantiable
 50 
 51     public static String toString(long flags) {
 52         StringBuilder buf = new StringBuilder();
 53         String sep = "";
 54         for (Flag flag : asFlagSet(flags)) {
 55             buf.append(sep);
 56             buf.append(flag);
 57             sep = " ";
 58         }
 59         return buf.toString();
 60     }
 61 
 62     public static EnumSet<Flag> asFlagSet(long flags) {
 63         EnumSet<Flag> flagSet = EnumSet.noneOf(Flag.class);
 64         for (Flag flag : Flag.values()) {
 65             if ((flags & flag.value) != 0) {
 66                 flagSet.add(flag);
 67                 flags &= ~flag.value;
 68             }
 69         }
 70         Assert.check(flags == 0);
 71         return flagSet;
 72     }
 73 
 74     /* Standard Java flags.
 75      */
 76     public static final int PUBLIC       = 1;
 77     public static final int PRIVATE      = 1<<1;
 78     public static final int PROTECTED    = 1<<2;
 79     public static final int STATIC       = 1<<3;
 80     public static final int FINAL        = 1<<4;
 81     public static final int SYNCHRONIZED = 1<<5;
 82     public static final int VOLATILE     = 1<<6;
 83     public static final int TRANSIENT    = 1<<7;
 84     public static final int NATIVE       = 1<<8;
 85     public static final int INTERFACE    = 1<<9;
 86     public static final int ABSTRACT     = 1<<10;
 87     public static final int STRICTFP     = 1<<11;
 88 
 89     /* Flag that marks a symbol synthetic, added in classfile v49.0. */
 90     public static final int SYNTHETIC    = 1<<12;
 91 
 92     /** Flag that marks attribute interfaces, added in classfile v49.0. */
 93     public static final int ANNOTATION   = 1<<13;
 94 
 95     /** An enumeration type or an enumeration constant, added in
 96      *  classfile v49.0. */
 97     public static final int ENUM         = 1<<14;
 98 
 99     /** Added in SE8, represents constructs implicitly declared in source. */
100     public static final int MANDATED     = 1<<15;
101 
102     public static final int StandardFlags = 0x0fff;
103 
104     // Because the following access flags are overloaded with other
105     // bit positions, we translate them when reading and writing class
106     // files into unique bits positions: ACC_SYNTHETIC <-> SYNTHETIC,
107     // for example.
108     public static final int ACC_IDENTITY = 0x0020;
109     public static final int ACC_BRIDGE   = 0x0040;
110     public static final int ACC_VARARGS  = 0x0080;
111     public static final int ACC_STRICT   = 0x0800;
112     public static final int ACC_MODULE   = 0x8000;
113 
114     /*****************************************
115      * Internal compiler flags (no bits in the lower 16).
116      *****************************************/
117 
118     /** Flag is set if symbol is deprecated.  See also DEPRECATED_REMOVAL.
119      */
120     public static final int DEPRECATED   = 1<<17;
121 
122     /** Flag is set for a variable symbol if the variable's definition
123      *  has an initializer part.
124      */
125     public static final int HASINIT          = 1<<18;
126 
127     /** Flag is set for a class or interface whose instances have identity
128      * i.e. any concrete class not declared with the modifier `value'
129      * (a) abstract class not declared `value'
130      * (b) older class files with ACC_SUPER bit set
131      */
132     public static final int IDENTITY_TYPE            = 1<<19;
133 
134     /** Class is an implicitly declared top level class.
135      */
136     public static final int IMPLICIT_CLASS    = 1<<23;
137 
138     /** Flag is set for compiler-generated anonymous method symbols
139      *  that `own' an initializer block.
140      */
141     public static final int BLOCK            = 1<<20;
142 
143     /** Marks a type as a value class */
144     public static final int VALUE_CLASS      = 1<<20;
145 
146     /** Flag is set for ClassSymbols that are being compiled from source.
147      */
148     public static final int FROM_SOURCE      = 1<<21; //ClassSymbols
149 
150     /** Flag is set for nested classes that do not access instance members
151      *  or `this' of an outer class and therefore don't need to be passed
152      *  a this$n reference.  This value is currently set only for anonymous
153      *  classes in superclass constructor calls.
154      *  todo: use this value for optimizing away this$n parameters in
155      *  other cases.
156      */
157     public static final int NOOUTERTHIS  = 1<<22;
158 
159     /** Flag is set for package symbols if a package has a member or
160      *  directory and therefore exists.
161      */
162     public static final int EXISTS           = 1<<23;
163 
164     /** Flag is set for compiler-generated compound classes
165      *  representing multiple variable bounds
166      */
167     public static final int COMPOUND     = 1<<24;
168 
169     /** Flag is set for class symbols if a class file was found for this class.
170      */
171     public static final int CLASS_SEEN   = 1<<25;
172 
173     /** Flag is set for class symbols if a source file was found for this
174      *  class.
175      */
176     public static final int SOURCE_SEEN  = 1<<26;
177 
178     /* State flags (are reset during compilation).
179      */
180 
181     /** Flag for class symbols is set and later re-set as a lock in
182      *  Enter to detect cycles in the superclass/superinterface
183      *  relations.  Similarly for constructor call cycle detection in
184      *  Attr.
185      */
186     public static final int LOCKED           = 1<<27;
187 
188     /** Flag for class symbols is set and later re-set to indicate that a class
189      *  has been entered but has not yet been attributed.
190      */
191     public static final int UNATTRIBUTED = 1<<28;
192 
193     /** Flag for synthesized default constructors of anonymous classes.
194      */
195     public static final int ANONCONSTR   = 1<<29; //non-class members
196 
197     /**
198      * Flag to indicate the superclasses of this ClassSymbol has been attributed.
199      */
200     public static final int SUPER_OWNER_ATTRIBUTED = 1<<29; //ClassSymbols
201 
202     /** Flag for class symbols to indicate it has been checked and found
203      *  acyclic.
204      */
205     public static final int ACYCLIC          = 1<<30;
206 
207     /** Flag that marks bridge methods.
208      */
209     public static final long BRIDGE          = 1L<<31;
210 
211     /** Flag that marks formal parameters.
212      */
213     public static final long PARAMETER   = 1L<<33;
214 
215     /** Flag that marks varargs methods.
216      */
217     public static final long VARARGS   = 1L<<34;
218 
219     /** Flag for annotation type symbols to indicate it has been
220      *  checked and found acyclic.
221      */
222     public static final long ACYCLIC_ANN      = 1L<<35;
223 
224     /** Flag that marks a generated default constructor.
225      */
226     public static final long GENERATEDCONSTR   = 1L<<36;
227 
228     /** Flag that marks a hypothetical method that need not really be
229      *  generated in the binary, but is present in the symbol table to
230      *  simplify checking for erasure clashes - also used for 292 poly sig methods.
231      */
232     public static final long HYPOTHETICAL   = 1L<<37;
233 
234     /**
235      * Flag that marks an internal proprietary class.
236      */
237     public static final long PROPRIETARY = 1L<<38;
238 
239     /**
240      * Flag that marks a multi-catch parameter.
241      */
242     public static final long UNION = 1L<<39;
243 
244     /**
245      * Flags an erroneous TypeSymbol as viable for recovery.
246      * TypeSymbols only.
247      */
248     public static final long RECOVERABLE = 1L<<40;
249 
250     /**
251      * Flag that marks an 'effectively final' local variable.
252      */
253     public static final long EFFECTIVELY_FINAL = 1L<<41;
254 
255     /**
256      * Flag that marks non-override equivalent methods with the same signature,
257      * or a conflicting match binding (BindingSymbol).
258      */
259     public static final long CLASH = 1L<<42;
260 
261     /**
262      * Flag that marks either a default method or an interface containing default methods.
263      */
264     public static final long DEFAULT = 1L<<43;
265 
266     /**
267      * Flag that marks class as auxiliary, ie a non-public class following
268      * the public class in a source file, that could block implicit compilation.
269      */
270     public static final long AUXILIARY = 1L<<44;
271 
272     /**
273      * Flag that marks that a symbol is not available in the current profile
274      */
275     public static final long NOT_IN_PROFILE = 1L<<45;
276 
277     /**
278      * Flag that indicates that an override error has been detected by Check.
279      */
280     public static final long BAD_OVERRIDE = 1L<<45;
281 
282     /**
283      * Flag that indicates a signature polymorphic method (292).
284      */
285     public static final long SIGNATURE_POLYMORPHIC = 1L<<46;
286 
287     /**
288      * Flag that indicates that an inference variable is used in a 'throws' clause.
289      */
290     public static final long THROWS = 1L<<47;
291 
292     /**
293      * Currently available: Bit 48.
294      */
295 
296     /**
297      * Flag that marks a synthetic method body for a lambda expression
298      */
299     public static final long LAMBDA_METHOD = 1L<<49;
300 
301     /**
302      * Flag to control recursion in TransTypes
303      */
304     public static final long TYPE_TRANSLATED = 1L<<50;
305 
306     /**
307      * Flag to indicate class symbol is for module-info
308      */
309     public static final long MODULE = 1L<<51;
310 
311     /**
312      * Flag to indicate the given ModuleSymbol is an automatic module.
313      */
314     public static final long AUTOMATIC_MODULE = 1L<<52; //ModuleSymbols only
315 
316     /**
317      * Flag to indicate the given PackageSymbol contains any non-.java and non-.class resources.
318      */
319     public static final long HAS_RESOURCE = 1L<<52; //PackageSymbols only
320 
321     /**
322      * Flag to indicate the given ParamSymbol has a user-friendly name filled.
323      */
324     public static final long NAME_FILLED = 1L<<52; //ParamSymbols only
325 
326     /**
327      * Flag to indicate the given ModuleSymbol is a system module.
328      */
329     public static final long SYSTEM_MODULE = 1L<<53; //ModuleSymbols only
330 
331     /**
332      * Flag to indicate the given ClassSymbol is a value based.
333      */
334     public static final long VALUE_BASED = 1L<<53; //ClassSymbols only
335 
336     /**
337      * Flag to indicate the given ClassSymbol is a value based.
338      */
339     public static final long MIGRATED_VALUE_CLASS = 1L<<57; //ClassSymbols only
340 
341     /**
342      * Flag to indicate the given symbol has a @Deprecated annotation.
343      */
344     public static final long DEPRECATED_ANNOTATION = 1L<<54;
345 
346     /**
347      * Flag to indicate the given symbol has been deprecated and marked for removal.
348      */
349     public static final long DEPRECATED_REMOVAL = 1L<<55;
350 
351     /**
352      * Flag to indicate the API element in question is for a preview API.
353      */
354     public static final long PREVIEW_API = 1L<<56; //any Symbol kind
355 
356     /**
357      * Flag for synthesized default constructors of anonymous classes that have an enclosing expression.
358      */
359     public static final long ANONCONSTR_BASED = 1L<<57;
360 
361     /**
362      * Flag that marks finalize block as body-only, should not be copied into catch clauses.
363      * Used to implement try-with-resources.
364      */
365     public static final long BODY_ONLY_FINALIZE = 1L<<17; //blocks only
366 
367     /**
368      * Flag to indicate the API element in question is for a preview API.
369      */
370     public static final long PREVIEW_REFLECTIVE = 1L<<58; //any Symbol kind
371 
372     /**
373      * Flag to indicate the given variable is a match binding variable.
374      */
375     public static final long MATCH_BINDING = 1L<<59;
376 
377     /**
378      * A flag to indicate a match binding variable whose scope extends after the current statement.
379      */
380     public static final long MATCH_BINDING_TO_OUTER = 1L<<60;
381 
382     /**
383      * Flag to indicate that a class is a record. The flag is also used to mark fields that are
384      * part of the state vector of a record and to mark the canonical constructor
385      */
386     public static final long RECORD = 1L<<61; // ClassSymbols, MethodSymbols and VarSymbols
387 
388     /**
389      * Flag to mark a record constructor as a compact one
390      */
391     public static final long COMPACT_RECORD_CONSTRUCTOR = 1L<<51; // MethodSymbols only
392 
393     /**
394      * Flag to mark a record field that was not initialized in the compact constructor
395      */
396     public static final long UNINITIALIZED_FIELD= 1L<<51; // VarSymbols only
397 
398     /** Flag is set for compiler-generated record members, it could be applied to
399      *  accessors and fields
400      */
401     public static final int GENERATED_MEMBER = 1<<24; // MethodSymbols and VarSymbols
402 
403     /**
404      * Flag to indicate sealed class/interface declaration.
405      */
406     public static final long SEALED = 1L<<62; // ClassSymbols
407 
408     /**
409      * Flag to indicate restricted method declaration.
410      */
411     public static final long RESTRICTED = 1L<<62; // MethodSymbols
412 
413     /**
414      * Flag to indicate that the class/interface was declared with the non-sealed modifier.
415      */
416     public static final long NON_SEALED = 1L<<63; // ClassSymbols
417 
418     /**
419      * Flag to indicate that a field is strict
420      */
421     public static final long STRICT = 1L<<53; // VarSymbols
422 
423     /**
424      * Describe modifier flags as they might appear in source code, i.e.,
425      * separated by spaces and in the order suggested by JLS 8.1.1.
426      */
427     public static String toSource(long flags) {
428         return asModifierSet(flags).stream()
429           .map(Modifier::toString)
430           .collect(Collectors.joining(" "));
431     }
432 
433     /** Modifier masks.
434      */
435     public static final int
436         AccessFlags                       = PUBLIC | PROTECTED | PRIVATE,
437         LocalClassFlags                   = FINAL | ABSTRACT | STRICTFP | ENUM | SYNTHETIC | IDENTITY_TYPE,
438         StaticLocalClassFlags             = LocalClassFlags | STATIC | INTERFACE,
439         MemberClassFlags                  = LocalClassFlags | INTERFACE | AccessFlags,
440         MemberStaticClassFlags            = MemberClassFlags | STATIC,
441         ClassFlags                        = LocalClassFlags | INTERFACE | PUBLIC | ANNOTATION,
442         InterfaceVarFlags                 = FINAL | STATIC | PUBLIC,
443         VarFlags                          = AccessFlags | FINAL | STATIC |
444                                             VOLATILE | TRANSIENT | ENUM,
445         ConstructorFlags                  = AccessFlags,
446         InterfaceMethodFlags              = ABSTRACT | PUBLIC,
447         MethodFlags                       = AccessFlags | ABSTRACT | STATIC | NATIVE |
448                                             SYNCHRONIZED | FINAL | STRICTFP,
449         RecordMethodFlags                 = AccessFlags | ABSTRACT | STATIC |
450                                             SYNCHRONIZED | FINAL | STRICTFP;
451     public static final long
452         ExtendedStandardFlags             = (long)StandardFlags | DEFAULT | SEALED | NON_SEALED | VALUE_CLASS,
453         ExtendedMemberClassFlags          = (long)MemberClassFlags | SEALED | NON_SEALED | VALUE_CLASS,
454         ExtendedMemberStaticClassFlags    = (long) MemberStaticClassFlags | SEALED | NON_SEALED | VALUE_CLASS,
455         ExtendedClassFlags                = (long)ClassFlags | SEALED | NON_SEALED | VALUE_CLASS,
456         ExtendedLocalClassFlags           = (long) LocalClassFlags | VALUE_CLASS,
457         ExtendedStaticLocalClassFlags     = (long) StaticLocalClassFlags | VALUE_CLASS,
458         ExtendedVarFlags                  = (long) VarFlags | STRICT,
459         ModifierFlags                     = ((long)StandardFlags & ~INTERFACE) | DEFAULT | SEALED | NON_SEALED | VALUE_CLASS,
460         InterfaceMethodMask               = ABSTRACT | PRIVATE | STATIC | PUBLIC | STRICTFP | DEFAULT,
461         AnnotationTypeElementMask         = ABSTRACT | PUBLIC,
462         LocalVarFlags                     = FINAL | PARAMETER,
463         ReceiverParamFlags                = PARAMETER;
464 
465     public static Set<Modifier> asModifierSet(long flags) {
466         Set<Modifier> modifiers = modifierSets.get(flags);
467         if (modifiers == null) {
468             modifiers = java.util.EnumSet.noneOf(Modifier.class);
469             if (0 != (flags & PUBLIC))    modifiers.add(Modifier.PUBLIC);
470             if (0 != (flags & PROTECTED)) modifiers.add(Modifier.PROTECTED);
471             if (0 != (flags & PRIVATE))   modifiers.add(Modifier.PRIVATE);
472             if (0 != (flags & ABSTRACT))  modifiers.add(Modifier.ABSTRACT);
473             if (0 != (flags & STATIC))    modifiers.add(Modifier.STATIC);
474             if (0 != (flags & SEALED))    modifiers.add(Modifier.SEALED);
475             if (0 != (flags & NON_SEALED))
476                                           modifiers.add(Modifier.NON_SEALED);
477             if (0 != (flags & FINAL))     modifiers.add(Modifier.FINAL);
478             if (0 != (flags & TRANSIENT)) modifiers.add(Modifier.TRANSIENT);
479             if (0 != (flags & VOLATILE))  modifiers.add(Modifier.VOLATILE);
480             if (0 != (flags & SYNCHRONIZED))
481                                           modifiers.add(Modifier.SYNCHRONIZED);
482             if (0 != (flags & NATIVE))    modifiers.add(Modifier.NATIVE);
483             if (0 != (flags & STRICTFP))  modifiers.add(Modifier.STRICTFP);
484             if (0 != (flags & DEFAULT))   modifiers.add(Modifier.DEFAULT);
485             if (0 != (flags & VALUE_CLASS))     modifiers.add(Modifier.VALUE);
486             modifiers = Collections.unmodifiableSet(modifiers);
487             modifierSets.put(flags, modifiers);
488         }
489         return modifiers;
490     }
491 
492     // Cache of modifier sets.
493     private static final Map<Long, Set<Modifier>> modifierSets = new ConcurrentHashMap<>(64);
494 
495     public static boolean isStatic(Symbol symbol) {
496         return (symbol.flags() & STATIC) != 0;
497     }
498 
499     public static boolean isEnum(Symbol symbol) {
500         return (symbol.flags() & ENUM) != 0;
501     }
502 
503     public static boolean isConstant(Symbol.VarSymbol symbol) {
504         return symbol.getConstValue() != null;
505     }
506 
507     public enum Flag {
508         PUBLIC(Flags.PUBLIC),
509         PRIVATE(Flags.PRIVATE),
510         PROTECTED(Flags.PROTECTED),
511         STATIC(Flags.STATIC),
512         FINAL(Flags.FINAL),
513         SYNCHRONIZED(Flags.SYNCHRONIZED),
514         VOLATILE(Flags.VOLATILE),
515         TRANSIENT(Flags.TRANSIENT),
516         NATIVE(Flags.NATIVE),
517         INTERFACE(Flags.INTERFACE),
518         ABSTRACT(Flags.ABSTRACT),
519         DEFAULT(Flags.DEFAULT),
520         STRICTFP(Flags.STRICTFP),
521         BRIDGE(Flags.BRIDGE),
522         SYNTHETIC(Flags.SYNTHETIC),
523         ANNOTATION(Flags.ANNOTATION),
524         DEPRECATED(Flags.DEPRECATED),
525         HASINIT(Flags.HASINIT),
526         IDENTITY_TYPE(Flags.IDENTITY_TYPE) {
527             @Override
528             public String toString() {
529                 return "identity";
530             }
531         },
532         VALUE(Flags.VALUE_CLASS),
533         IMPLICIT_CLASS(Flags.IMPLICIT_CLASS),
534         BLOCK(Flags.BLOCK),
535         FROM_SOURCE(Flags.FROM_SOURCE),
536         ENUM(Flags.ENUM),
537         MANDATED(Flags.MANDATED),
538         NOOUTERTHIS(Flags.NOOUTERTHIS),
539         EXISTS(Flags.EXISTS),
540         COMPOUND(Flags.COMPOUND),
541         CLASS_SEEN(Flags.CLASS_SEEN),
542         SOURCE_SEEN(Flags.SOURCE_SEEN),
543         LOCKED(Flags.LOCKED),
544         UNATTRIBUTED(Flags.UNATTRIBUTED),
545         ANONCONSTR(Flags.ANONCONSTR),
546         ACYCLIC(Flags.ACYCLIC),
547         PARAMETER(Flags.PARAMETER),
548         VARARGS(Flags.VARARGS),
549         ACYCLIC_ANN(Flags.ACYCLIC_ANN),
550         GENERATEDCONSTR(Flags.GENERATEDCONSTR),
551         HYPOTHETICAL(Flags.HYPOTHETICAL),
552         PROPRIETARY(Flags.PROPRIETARY),
553         UNION(Flags.UNION),
554         EFFECTIVELY_FINAL(Flags.EFFECTIVELY_FINAL),
555         CLASH(Flags.CLASH),
556         AUXILIARY(Flags.AUXILIARY),
557         NOT_IN_PROFILE(Flags.NOT_IN_PROFILE),
558         BAD_OVERRIDE(Flags.BAD_OVERRIDE),
559         SIGNATURE_POLYMORPHIC(Flags.SIGNATURE_POLYMORPHIC),
560         THROWS(Flags.THROWS),
561         LAMBDA_METHOD(Flags.LAMBDA_METHOD),
562         TYPE_TRANSLATED(Flags.TYPE_TRANSLATED),
563         MODULE(Flags.MODULE),
564         AUTOMATIC_MODULE(Flags.AUTOMATIC_MODULE),
565         SYSTEM_MODULE(Flags.SYSTEM_MODULE),
566         DEPRECATED_ANNOTATION(Flags.DEPRECATED_ANNOTATION),
567         DEPRECATED_REMOVAL(Flags.DEPRECATED_REMOVAL),
568         HAS_RESOURCE(Flags.HAS_RESOURCE),
569         // Bit 48 is currently available
570         ANONCONSTR_BASED(Flags.ANONCONSTR_BASED),
571         NAME_FILLED(Flags.NAME_FILLED),
572         PREVIEW_API(Flags.PREVIEW_API),
573         PREVIEW_REFLECTIVE(Flags.PREVIEW_REFLECTIVE),
574         MATCH_BINDING(Flags.MATCH_BINDING),
575         MATCH_BINDING_TO_OUTER(Flags.MATCH_BINDING_TO_OUTER),
576         RECORD(Flags.RECORD),
577         RECOVERABLE(Flags.RECOVERABLE),
578         SEALED(Flags.SEALED),
579         NON_SEALED(Flags.NON_SEALED) {
580             @Override
581             public String toString() {
582                 return "non-sealed";
583             }
584         },
585         STRICT(Flags.STRICT);
586 
587         Flag(long flag) {
588             this.value = flag;
589             this.lowercaseName = StringUtils.toLowerCase(name());
590         }
591 
592         @Override
593         public String toString() {
594             return lowercaseName;
595         }
596 
597         final long value;
598         final String lowercaseName;
599     }
600 
601 }