| /* |
| * Copyright (c) 1999, 2012, 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_CI_CIMETADATA_HPP |
| #define SHARE_VM_CI_CIMETADATA_HPP |
| |
| #include "ci/ciBaseObject.hpp" |
| #include "ci/ciClassList.hpp" |
| #include "memory/allocation.hpp" |
| #include "runtime/handles.hpp" |
| #include "runtime/jniHandles.hpp" |
| |
| // ciMetadata |
| // |
| // Compiler interface to metadata object in the VM, not Java object. |
| |
| class ciMetadata: public ciBaseObject { |
| CI_PACKAGE_ACCESS |
| friend class ciEnv; |
| |
| protected: |
| Metadata* _metadata; |
| |
| ciMetadata(): _metadata(NULL) {} |
| ciMetadata(Metadata* o): _metadata(o) {} |
| |
| virtual bool is_classless() const { return false; } |
| public: |
| bool is_loaded() const { return _metadata != NULL || is_classless(); } |
| |
| virtual bool is_metadata() const { return true; } |
| |
| virtual bool is_type() const { return false; } |
| virtual bool is_cpcache() const { return false; } |
| virtual bool is_return_address() const { return false; } |
| virtual bool is_method() const { return false; } |
| virtual bool is_method_data() const { return false; } |
| virtual bool is_klass() const { return false; } |
| virtual bool is_instance_klass() const { return false; } |
| virtual bool is_array_klass() const { return false; } |
| virtual bool is_obj_array_klass() const { return false; } |
| virtual bool is_type_array_klass() const { return false; } |
| virtual void dump_replay_data(outputStream* st) { /* do nothing */ } |
| |
| ciMethod* as_method() { |
| assert(is_method(), "bad cast"); |
| return (ciMethod*)this; |
| } |
| ciMethodData* as_method_data() { |
| assert(is_method_data(), "bad cast"); |
| return (ciMethodData*)this; |
| } |
| ciSymbol* as_symbol() { |
| assert(is_symbol(), "bad cast"); |
| return (ciSymbol*)this; |
| } |
| ciType* as_type() { |
| assert(is_type(), "bad cast"); |
| return (ciType*)this; |
| } |
| ciReturnAddress* as_return_address() { |
| assert(is_return_address(), "bad cast"); |
| return (ciReturnAddress*)this; |
| } |
| ciKlass* as_klass() { |
| assert(is_klass(), "bad cast"); |
| return (ciKlass*)this; |
| } |
| ciInstanceKlass* as_instance_klass() { |
| assert(is_instance_klass(), "bad cast"); |
| return (ciInstanceKlass*)this; |
| } |
| ciArrayKlass* as_array_klass() { |
| assert(is_array_klass(), "bad cast"); |
| return (ciArrayKlass*)this; |
| } |
| ciObjArrayKlass* as_obj_array_klass() { |
| assert(is_obj_array_klass(), "bad cast"); |
| return (ciObjArrayKlass*)this; |
| } |
| ciTypeArrayKlass* as_type_array_klass() { |
| assert(is_type_array_klass(), "bad cast"); |
| return (ciTypeArrayKlass*)this; |
| } |
| |
| Metadata* constant_encoding() { return _metadata; } |
| |
| bool equals(ciMetadata* obj) const { return (this == obj); } |
| |
| int hash() { return ident() * 31; } // ??? |
| |
| void print(outputStream* st); |
| virtual void print_impl(outputStream* st) {} |
| virtual const char* type_string() { return "ciMetadata"; } |
| |
| void print() { print(tty); } |
| void print_metadata(outputStream* st = tty); |
| |
| }; |
| #endif // SHARE_VM_CI_CIMETADATA_HPP |