1612N/A/*
1879N/A * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
1612N/A * Copyright 2009 Red Hat, Inc.
1612N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1612N/A *
1612N/A * This code is free software; you can redistribute it and/or modify it
1612N/A * under the terms of the GNU General Public License version 2 only, as
1612N/A * published by the Free Software Foundation.
1612N/A *
1612N/A * This code is distributed in the hope that it will be useful, but WITHOUT
1612N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1612N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1612N/A * version 2 for more details (a copy is included in the LICENSE file that
1612N/A * accompanied this code).
1612N/A *
1612N/A * You should have received a copy of the GNU General Public License version
1612N/A * 2 along with this work; if not, write to the Free Software Foundation,
1612N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1612N/A *
1612N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1612N/A * or visit www.oracle.com if you need additional information or have any
1612N/A * questions.
1612N/A *
1612N/A */
1612N/A
1879N/A#ifndef SHARE_VM_SHARK_SHARKCONSTANT_HPP
1879N/A#define SHARE_VM_SHARK_SHARKCONSTANT_HPP
1879N/A
1879N/A#include "ci/ciStreams.hpp"
1879N/A#include "memory/allocation.hpp"
1879N/A#include "shark/sharkBuilder.hpp"
1879N/A#include "shark/sharkValue.hpp"
1879N/A
1612N/Aclass SharkConstant : public ResourceObj {
1612N/A public:
1612N/A static SharkConstant* for_ldc(ciBytecodeStream* iter);
1612N/A static SharkConstant* for_field(ciBytecodeStream* iter);
1612N/A
1612N/A private:
1612N/A SharkConstant(ciConstant constant, ciType* type);
1612N/A
1612N/A private:
1612N/A SharkValue* _value;
1612N/A ciObject* _object;
1612N/A ciType* _type;
1612N/A bool _is_loaded;
1612N/A bool _is_nonzero;
1612N/A bool _is_two_word;
1612N/A
1612N/A public:
1612N/A bool is_loaded() const {
1612N/A return _is_loaded;
1612N/A }
1612N/A bool is_nonzero() const {
1612N/A assert(is_loaded(), "should be");
1612N/A return _is_nonzero;
1612N/A }
1612N/A bool is_two_word() const {
1612N/A assert(is_loaded(), "should be");
1612N/A return _is_two_word;
1612N/A }
1612N/A
1612N/A public:
1612N/A SharkValue* value(SharkBuilder* builder) {
1612N/A assert(is_loaded(), "should be");
1612N/A if (_value == NULL) {
1612N/A _value = SharkValue::create_generic(
1612N/A _type, builder->CreateInlineOop(_object), _is_nonzero);
1612N/A }
1612N/A return _value;
1612N/A }
1612N/A};
1879N/A
1879N/A#endif // SHARE_VM_SHARK_SHARKCONSTANT_HPP