| /* |
| * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. |
| * Copyright 2009 Red Hat, Inc. |
| * 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_SHARK_SHARKCONSTANT_HPP |
| #define SHARE_VM_SHARK_SHARKCONSTANT_HPP |
| |
| #include "ci/ciStreams.hpp" |
| #include "memory/allocation.hpp" |
| #include "shark/sharkBuilder.hpp" |
| #include "shark/sharkValue.hpp" |
| |
| class SharkConstant : public ResourceObj { |
| public: |
| static SharkConstant* for_ldc(ciBytecodeStream* iter); |
| static SharkConstant* for_field(ciBytecodeStream* iter); |
| |
| private: |
| SharkConstant(ciConstant constant, ciType* type); |
| |
| private: |
| SharkValue* _value; |
| ciObject* _object; |
| ciType* _type; |
| bool _is_loaded; |
| bool _is_nonzero; |
| bool _is_two_word; |
| |
| public: |
| bool is_loaded() const { |
| return _is_loaded; |
| } |
| bool is_nonzero() const { |
| assert(is_loaded(), "should be"); |
| return _is_nonzero; |
| } |
| bool is_two_word() const { |
| assert(is_loaded(), "should be"); |
| return _is_two_word; |
| } |
| |
| public: |
| SharkValue* value(SharkBuilder* builder) { |
| assert(is_loaded(), "should be"); |
| if (_value == NULL) { |
| _value = SharkValue::create_generic( |
| _type, builder->CreateInlineOop(_object), _is_nonzero); |
| } |
| return _value; |
| } |
| }; |
| |
| #endif // SHARE_VM_SHARK_SHARKCONSTANT_HPP |