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src/jdk.compiler/share/classes/com/sun/tools/javac/code/Flags.java

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 352         MethodFlags                 = AccessFlags | ABSTRACT | STATIC | NATIVE |
 353                                       SYNCHRONIZED | FINAL | STRICTFP;
 354     public static final long
 355         ExtendedStandardFlags       = (long)StandardFlags | DEFAULT,
 356         ModifierFlags               = ((long)StandardFlags & ~INTERFACE) | DEFAULT,
 357         InterfaceMethodMask         = ABSTRACT | PRIVATE | STATIC | PUBLIC | STRICTFP | DEFAULT,
 358         AnnotationTypeElementMask   = ABSTRACT | PUBLIC,
 359         LocalVarFlags               = FINAL | PARAMETER,
 360         ReceiverParamFlags          = PARAMETER;
 361 
 362 
 363     public static Set<Modifier> asModifierSet(long flags) {
 364         Set<Modifier> modifiers = modifierSets.get(flags);
 365         if (modifiers == null) {
 366             modifiers = java.util.EnumSet.noneOf(Modifier.class);
 367             if (0 != (flags & PUBLIC))    modifiers.add(Modifier.PUBLIC);
 368             if (0 != (flags & PROTECTED)) modifiers.add(Modifier.PROTECTED);
 369             if (0 != (flags & PRIVATE))   modifiers.add(Modifier.PRIVATE);
 370             if (0 != (flags & ABSTRACT))  modifiers.add(Modifier.ABSTRACT);
 371             if (0 != (flags & STATIC))    modifiers.add(Modifier.STATIC);

 372             if (0 != (flags & FINAL))     modifiers.add(Modifier.FINAL);
 373             if (0 != (flags & TRANSIENT)) modifiers.add(Modifier.TRANSIENT);
 374             if (0 != (flags & VOLATILE))  modifiers.add(Modifier.VOLATILE);
 375             if (0 != (flags & SYNCHRONIZED))
 376                                           modifiers.add(Modifier.SYNCHRONIZED);
 377             if (0 != (flags & NATIVE))    modifiers.add(Modifier.NATIVE);
 378             if (0 != (flags & STRICTFP))  modifiers.add(Modifier.STRICTFP);
 379             if (0 != (flags & DEFAULT))   modifiers.add(Modifier.DEFAULT);
 380             modifiers = Collections.unmodifiableSet(modifiers);
 381             modifierSets.put(flags, modifiers);
 382         }
 383         return modifiers;
 384     }
 385 
 386     // Cache of modifier sets.
 387     private static final Map<Long, Set<Modifier>> modifierSets = new ConcurrentHashMap<>(64);
 388 
 389     public static boolean isStatic(Symbol symbol) {
 390         return (symbol.flags() & STATIC) != 0;
 391     }




 352         MethodFlags                 = AccessFlags | ABSTRACT | STATIC | NATIVE |
 353                                       SYNCHRONIZED | FINAL | STRICTFP;
 354     public static final long
 355         ExtendedStandardFlags       = (long)StandardFlags | DEFAULT,
 356         ModifierFlags               = ((long)StandardFlags & ~INTERFACE) | DEFAULT,
 357         InterfaceMethodMask         = ABSTRACT | PRIVATE | STATIC | PUBLIC | STRICTFP | DEFAULT,
 358         AnnotationTypeElementMask   = ABSTRACT | PUBLIC,
 359         LocalVarFlags               = FINAL | PARAMETER,
 360         ReceiverParamFlags          = PARAMETER;
 361 
 362 
 363     public static Set<Modifier> asModifierSet(long flags) {
 364         Set<Modifier> modifiers = modifierSets.get(flags);
 365         if (modifiers == null) {
 366             modifiers = java.util.EnumSet.noneOf(Modifier.class);
 367             if (0 != (flags & PUBLIC))    modifiers.add(Modifier.PUBLIC);
 368             if (0 != (flags & PROTECTED)) modifiers.add(Modifier.PROTECTED);
 369             if (0 != (flags & PRIVATE))   modifiers.add(Modifier.PRIVATE);
 370             if (0 != (flags & ABSTRACT))  modifiers.add(Modifier.ABSTRACT);
 371             if (0 != (flags & STATIC))    modifiers.add(Modifier.STATIC);
 372             if (0 != (flags & SEALED))    modifiers.add(Modifier.SEALED);
 373             if (0 != (flags & FINAL))     modifiers.add(Modifier.FINAL);
 374             if (0 != (flags & TRANSIENT)) modifiers.add(Modifier.TRANSIENT);
 375             if (0 != (flags & VOLATILE))  modifiers.add(Modifier.VOLATILE);
 376             if (0 != (flags & SYNCHRONIZED))
 377                                           modifiers.add(Modifier.SYNCHRONIZED);
 378             if (0 != (flags & NATIVE))    modifiers.add(Modifier.NATIVE);
 379             if (0 != (flags & STRICTFP))  modifiers.add(Modifier.STRICTFP);
 380             if (0 != (flags & DEFAULT))   modifiers.add(Modifier.DEFAULT);
 381             modifiers = Collections.unmodifiableSet(modifiers);
 382             modifierSets.put(flags, modifiers);
 383         }
 384         return modifiers;
 385     }
 386 
 387     // Cache of modifier sets.
 388     private static final Map<Long, Set<Modifier>> modifierSets = new ConcurrentHashMap<>(64);
 389 
 390     public static boolean isStatic(Symbol symbol) {
 391         return (symbol.flags() & STATIC) != 0;
 392     }


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