< prev index next >

src/hotspot/share/utilities/accessFlags.hpp

Print this page

 33 // AccessFlags is an abstraction over Java ACC flags.
 34 // See generated file classfile_constants.h for shared JVM_ACC_XXX access flags
 35 
 36 class outputStream;
 37 
 38 class AccessFlags {
 39   friend class VMStructs;
 40  private:
 41   u2 _flags;
 42 
 43  public:
 44   AccessFlags() : _flags(0) {}
 45   explicit AccessFlags(u2 flags) : _flags(flags) {}
 46 
 47   // Java access flags
 48   bool is_public      () const         { return (_flags & JVM_ACC_PUBLIC      ) != 0; }
 49   bool is_private     () const         { return (_flags & JVM_ACC_PRIVATE     ) != 0; }
 50   bool is_protected   () const         { return (_flags & JVM_ACC_PROTECTED   ) != 0; }
 51   bool is_static      () const         { return (_flags & JVM_ACC_STATIC      ) != 0; }
 52   bool is_final       () const         { return (_flags & JVM_ACC_FINAL       ) != 0; }

 53   bool is_synchronized() const         { return (_flags & JVM_ACC_SYNCHRONIZED) != 0; }
 54   bool is_super       () const         { return (_flags & JVM_ACC_SUPER       ) != 0; }
 55   bool is_volatile    () const         { return (_flags & JVM_ACC_VOLATILE    ) != 0; }
 56   bool is_transient   () const         { return (_flags & JVM_ACC_TRANSIENT   ) != 0; }
 57   bool is_native      () const         { return (_flags & JVM_ACC_NATIVE      ) != 0; }
 58   bool is_interface   () const         { return (_flags & JVM_ACC_INTERFACE   ) != 0; }
 59   bool is_abstract    () const         { return (_flags & JVM_ACC_ABSTRACT    ) != 0; }


 60 
 61   // Attribute flags
 62   bool is_synthetic   () const         { return (_flags & JVM_ACC_SYNTHETIC   ) != 0; }
 63 
 64   // get as integral value
 65   u2 as_unsigned_short() const         { return _flags; }
 66 
 67   void set_flags(u2 flags)            { _flags = flags; }
 68 
 69  private:
 70   friend class Klass;
 71   friend class ClassFileParser;
 72   // the functions below should only be called on the _access_flags inst var directly,
 73   // otherwise they are just changing a copy of the flags
 74 
 75   // attribute flags
 76   void set_is_synthetic()              { _flags |= JVM_ACC_SYNTHETIC; }
 77 
 78  public:
 79   inline friend AccessFlags accessFlags_from(u2 flags);

 33 // AccessFlags is an abstraction over Java ACC flags.
 34 // See generated file classfile_constants.h for shared JVM_ACC_XXX access flags
 35 
 36 class outputStream;
 37 
 38 class AccessFlags {
 39   friend class VMStructs;
 40  private:
 41   u2 _flags;
 42 
 43  public:
 44   AccessFlags() : _flags(0) {}
 45   explicit AccessFlags(u2 flags) : _flags(flags) {}
 46 
 47   // Java access flags
 48   bool is_public      () const         { return (_flags & JVM_ACC_PUBLIC      ) != 0; }
 49   bool is_private     () const         { return (_flags & JVM_ACC_PRIVATE     ) != 0; }
 50   bool is_protected   () const         { return (_flags & JVM_ACC_PROTECTED   ) != 0; }
 51   bool is_static      () const         { return (_flags & JVM_ACC_STATIC      ) != 0; }
 52   bool is_final       () const         { return (_flags & JVM_ACC_FINAL       ) != 0; }
 53   bool is_strict      () const         { return (_flags & JVM_ACC_STRICT      ) != 0; }
 54   bool is_synchronized() const         { return (_flags & JVM_ACC_SYNCHRONIZED) != 0; }

 55   bool is_volatile    () const         { return (_flags & JVM_ACC_VOLATILE    ) != 0; }
 56   bool is_transient   () const         { return (_flags & JVM_ACC_TRANSIENT   ) != 0; }
 57   bool is_native      () const         { return (_flags & JVM_ACC_NATIVE      ) != 0; }
 58   bool is_interface   () const         { return (_flags & JVM_ACC_INTERFACE   ) != 0; }
 59   bool is_abstract    () const         { return (_flags & JVM_ACC_ABSTRACT    ) != 0; }
 60   bool has_vararg     () const         { return (_flags & JVM_ACC_VARARGS     ) != 0; }
 61   bool is_identity_class  () const     { return (_flags & JVM_ACC_IDENTITY    ) != 0; }
 62 
 63   // Attribute flags
 64   bool is_synthetic   () const         { return (_flags & JVM_ACC_SYNTHETIC   ) != 0; }
 65 
 66   // get as integral value
 67   u2 as_unsigned_short() const         { return _flags; }
 68 
 69   void set_flags(u2 flags)            { _flags = flags; }
 70 
 71  private:
 72   friend class Klass;
 73   friend class ClassFileParser;
 74   // the functions below should only be called on the _access_flags inst var directly,
 75   // otherwise they are just changing a copy of the flags
 76 
 77   // attribute flags
 78   void set_is_synthetic()              { _flags |= JVM_ACC_SYNTHETIC; }
 79 
 80  public:
 81   inline friend AccessFlags accessFlags_from(u2 flags);
< prev index next >