src/hotspot/share/utilities/accessFlags.hpp

rev 58565 : 8238358: Implementation of JEP 371: Hidden Classes
Reviewed-by: duke
Contributed-by: mandy.chung@oracle.com, lois.foltan@oracle.com, david.holmes@oracle.com, harold.seigel@oracle.com, serguei.spitsyn@oracle.com, alex.buckley@oracle.com, jamsheed.c.m@oracle.com

@@ -64,10 +64,11 @@
   JVM_ACC_HAS_VANILLA_CONSTRUCTOR = 0x20000000,     // True if klass has a vanilla default constructor
   JVM_ACC_HAS_FINALIZER           = 0x40000000,     // True if klass has a non-empty finalize() method
   JVM_ACC_IS_CLONEABLE_FAST       = (int)0x80000000,// True if klass implements the Cloneable interface and can be optimized in generated code
   JVM_ACC_HAS_FINAL_METHOD        = 0x01000000,     // True if klass has final method
   JVM_ACC_IS_SHARED_CLASS         = 0x02000000,     // True if klass is shared
+  JVM_ACC_IS_HIDDEN_CLASS         = 0x04000000,     // True if klass is hidden 
 
   // Klass* and Method* flags
   JVM_ACC_HAS_LOCAL_VARIABLE_TABLE= 0x00200000,
 
   JVM_ACC_PROMOTED_FLAGS          = 0x00200000,     // flags promoted from methods to the holding klass

@@ -147,10 +148,11 @@
   bool has_vanilla_constructor () const { return (_flags & JVM_ACC_HAS_VANILLA_CONSTRUCTOR) != 0; }
   bool has_finalizer           () const { return (_flags & JVM_ACC_HAS_FINALIZER          ) != 0; }
   bool has_final_method        () const { return (_flags & JVM_ACC_HAS_FINAL_METHOD       ) != 0; }
   bool is_cloneable_fast       () const { return (_flags & JVM_ACC_IS_CLONEABLE_FAST      ) != 0; }
   bool is_shared_class         () const { return (_flags & JVM_ACC_IS_SHARED_CLASS        ) != 0; }
+  bool is_hidden_class         () const { return (_flags & JVM_ACC_IS_HIDDEN_CLASS        ) != 0; }
 
   // Klass* and Method* flags
   bool has_localvariable_table () const { return (_flags & JVM_ACC_HAS_LOCAL_VARIABLE_TABLE) != 0; }
   void set_has_localvariable_table()    { atomic_set_bits(JVM_ACC_HAS_LOCAL_VARIABLE_TABLE); }
   void clear_has_localvariable_table()  { atomic_clear_bits(JVM_ACC_HAS_LOCAL_VARIABLE_TABLE); }

@@ -219,10 +221,11 @@
   void set_has_finalizer()             { atomic_set_bits(JVM_ACC_HAS_FINALIZER);           }
   void set_has_final_method()          { atomic_set_bits(JVM_ACC_HAS_FINAL_METHOD);        }
   void set_is_cloneable_fast()         { atomic_set_bits(JVM_ACC_IS_CLONEABLE_FAST);       }
   void set_has_miranda_methods()       { atomic_set_bits(JVM_ACC_HAS_MIRANDA_METHODS);     }
   void set_is_shared_class()           { atomic_set_bits(JVM_ACC_IS_SHARED_CLASS);         }
+  void set_is_hidden_class()           { atomic_set_bits(JVM_ACC_IS_HIDDEN_CLASS);         }
 
  public:
   // field flags
   void set_is_field_access_watched(const bool value)
                                        {