jdk8-mips64-public/hotspot: src/share/vm/ci/ciKlass.hpp@d8ce2825b193

8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
Summary: Capitalize these metadata types (and objArrayKlass)
Reviewed-by: stefank, twisti, kvn

     1 /*

     2  * Copyright (c) 1999, 2012, 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.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    25 #ifndef SHARE_VM_CI_CIKLASS_HPP

    26 #define SHARE_VM_CI_CIKLASS_HPP

    28 #include "ci/ciType.hpp"

    30 // ciKlass

    31 //

    32 // This class and its subclasses represent Klass*s in the

    33 // HotSpot virtual machine.  In the vm, each Klass* contains an

    34 // embedded Klass object.  ciKlass is subclassed to explicitly

    35 // represent the kind of Klass embedded in the Klass*.  For

    36 // example, a Klass* with an embedded ObjArrayKlass object is

    37 // represented in the ciObject hierarchy by the class

    38 // ciObjArrayKlass.

    39 class ciKlass : public ciType {

    40   CI_PACKAGE_ACCESS

    41   friend class ciEnv;

    42   friend class ciField;

    43   friend class ciMethod;

    44   friend class ciObjArrayKlass;

    46 private:

    47   ciSymbol* _name;

    48   jint _layout_helper;

    50 protected:

    51   ciKlass(KlassHandle k_h, ciSymbol* name);

    52   ciKlass(ciSymbol* name, BasicType bt);

    54   Klass* get_Klass() const {

    55     Klass* k = (Klass*)_metadata;

    56     assert(k != NULL, "illegal use of unloaded klass");

    57     return k;

    58   }

    60   // Certain subklasses have an associated class loader.

    61   virtual oop loader()             { return NULL; }

    62   virtual jobject loader_handle()  { return NULL; }

    64   virtual oop protection_domain()             { return NULL; }

    65   virtual jobject protection_domain_handle()  { return NULL; }

    67   const char* type_string() { return "ciKlass"; }

    69   void print_impl(outputStream* st);

    71 public:

    72   ciKlass(KlassHandle k_h);

    74   // What is the name of this klass?

    75   ciSymbol* name() const { return _name; }

    77   // What is its layout helper value?

    78   jint layout_helper() { return _layout_helper; }

    80   bool is_subtype_of(ciKlass* klass);

    81   bool is_subclass_of(ciKlass* klass);

    82   juint super_depth();

    83   juint super_check_offset();

    84   ciKlass* super_of_depth(juint i);

    85   bool can_be_primary_super();

    86   static juint primary_super_limit() { return Klass::primary_super_limit(); }

    88   // Is this ciObject the ciInstanceKlass representing java.lang.Object()?

    89   virtual bool is_java_lang_Object() const  { return false; }

    91   // Get the shared parent of two klasses.

    92   ciKlass* least_common_ancestor(ciKlass* k);

    94   virtual bool is_interface() {

    95     return false;

    96   }

    98   virtual bool is_abstract() {

    99     return false;

   100   }

   102   // Does this type (array, class, interface) have no subtypes?

   103   virtual bool is_leaf_type() {

   104     return false;

   105   }

   107   // Attempt to get a klass using this ciKlass's loader.

   108   ciKlass* find_klass(ciSymbol* klass_name);

   109   // Note:  To find a class from its name string, use ciSymbol::make,

   110   // but consider adding to vmSymbols.hpp instead.

   112   // Get the instance of java.lang.Class corresponding to this klass.

   113   ciInstance*            java_mirror();

   115   // Fetch Klass::modifier_flags.

   116   jint                   modifier_flags();

   118   // Fetch Klass::access_flags.

   119   jint                   access_flags();

   121   // What kind of ciObject is this?

   122   bool is_klass() const { return true; }

   124   void print_name_on(outputStream* st);

   125 };

   127 #endif // SHARE_VM_CI_CIKLASS_HPP

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/ci/ciKlass.hpp@d8ce2825b193

src/share/vm/ci/ciKlass.hpp