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/*
* 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
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