jdk8-mips64-public/hotspot: src/share/vm/runtime/fieldDescriptor.hpp@da862781b584 (annotated)

src/share/vm/runtime/fieldDescriptor.hpp@da862781b584 (annotated)

src/share/vm/runtime/fieldDescriptor.hpp

Thu, 21 Nov 2013 12:30:35 -0800

author: kvn
date: Thu, 21 Nov 2013 12:30:35 -0800
changeset 6485: da862781b584
parent 5732: b2e698d2276c
child 6876: 710a3c8b516e
child 8664: 00cbb581da94
permissions: -rw-r--r--

Merge

 /*
  * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 #ifndef SHARE_VM_RUNTIME_FIELDDESCRIPTOR_HPP
 #define SHARE_VM_RUNTIME_FIELDDESCRIPTOR_HPP
 #include "oops/constantPool.hpp"
 #include "oops/symbol.hpp"
 #include "runtime/fieldType.hpp"
 #include "utilities/accessFlags.hpp"
 #include "utilities/constantTag.hpp"
 // A fieldDescriptor describes the attributes of a single field (instance or class variable).
 // It needs the class constant pool to work (because it only holds indices into the pool
 // rather than the actual info).
 class fieldDescriptor VALUE_OBJ_CLASS_SPEC {
  private:
   AccessFlags         _access_flags;
   int                 _index; // the field index
   constantPoolHandle  _cp;
   // update the access_flags for the field in the klass
   void update_klass_field_access_flag() {
     InstanceKlass* ik = field_holder();
     ik->field(index())->set_access_flags(_access_flags.as_short());
   }
   FieldInfo* field() const {
     InstanceKlass* ik = field_holder();
     return ik->field(_index);
   }
  public:
   fieldDescriptor() {
     DEBUG_ONLY(_index = badInt);
   }
   fieldDescriptor(InstanceKlass* ik, int index) {
     DEBUG_ONLY(_index = badInt);
     reinitialize(ik, index);
   }
   Symbol* name() const {
     return field()->name(_cp);
   }
   Symbol* signature() const {
     return field()->signature(_cp);
   }
   InstanceKlass* field_holder()   const    { return _cp->pool_holder(); }
   ConstantPool* constants()       const    { return _cp(); }
   AccessFlags access_flags()      const    { return _access_flags; }
   oop loader()                    const;
   // Offset (in words) of field from start of instanceOop / Klass*
   int offset()                    const    { return field()->offset(); }
   Symbol* generic_signature()     const;
   int index()                     const    { return _index; }
   AnnotationArray* annotations()  const;
   AnnotationArray* type_annotations()  const;
   // Initial field value
   bool has_initial_value()        const    { return field()->initval_index() != 0; }
   int initial_value_index()       const    { return field()->initval_index(); }
   constantTag initial_value_tag() const;  // The tag will return true on one of is_int(), is_long(), is_single(), is_double()
   jint int_initial_value()        const;
   jlong long_initial_value()      const;
   jfloat float_initial_value()    const;
   jdouble double_initial_value()  const;
   oop string_initial_value(TRAPS) const;
   // Field signature type
   BasicType field_type()          const    { return FieldType::basic_type(signature()); }
   // Access flags
   bool is_public()                const    { return access_flags().is_public(); }
   bool is_private()               const    { return access_flags().is_private(); }
   bool is_protected()             const    { return access_flags().is_protected(); }
   bool is_package_private()       const    { return !is_public() && !is_private() && !is_protected(); }
   bool is_static()                const    { return access_flags().is_static(); }
   bool is_final()                 const    { return access_flags().is_final(); }
   bool is_volatile()              const    { return access_flags().is_volatile(); }
   bool is_transient()             const    { return access_flags().is_transient(); }
   bool is_synthetic()             const    { return access_flags().is_synthetic(); }
   bool is_field_access_watched()  const    { return access_flags().is_field_access_watched(); }
   bool is_field_modification_watched() const
                                            { return access_flags().is_field_modification_watched(); }
   bool has_generic_signature()    const    { return access_flags().field_has_generic_signature(); }
   void set_is_field_access_watched(const bool value) {
     _access_flags.set_is_field_access_watched(value);
     update_klass_field_access_flag();
   }
   void set_is_field_modification_watched(const bool value) {
     _access_flags.set_is_field_modification_watched(value);
     update_klass_field_access_flag();
   }
   // Initialization
   void reinitialize(InstanceKlass* ik, int index);
   // Print
   void print() { print_on(tty); }
   void print_on(outputStream* st) const         PRODUCT_RETURN;
   void print_on_for(outputStream* st, oop obj)  PRODUCT_RETURN;
   void verify() const                           PRODUCT_RETURN;
 };
 #endif // SHARE_VM_RUNTIME_FIELDDESCRIPTOR_HPP

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/runtime/fieldDescriptor.hpp@da862781b584 (annotated)

src/share/vm/runtime/fieldDescriptor.hpp