--- /dev/null 2010-06-22 09:23:59.198002222 +0100 +++ new/hotspot/src/share/vm/shark/sharkConstant.hpp 2010-06-22 09:53:11.000000000 +0100 @@ -0,0 +1,64 @@ +/* + * Copyright (c) 1999, 2007, 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. + * + */ + +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; + } +};