72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
/*
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* Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef SHARE_VM_CI_CIINSTANCE_HPP
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#define SHARE_VM_CI_CIINSTANCE_HPP
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#include "ci/ciObject.hpp"
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#include "oops/instanceOop.hpp"
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// ciInstance
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//
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// This class represents an instanceOop in the HotSpot virtual
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// machine. This is an oop which corresponds to a non-array
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// instance of java.lang.Object.
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class ciInstance : public ciObject {
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CI_PACKAGE_ACCESS
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protected:
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ciInstance(instanceHandle h_i) : ciObject(h_i) {
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assert(h_i()->is_instance(), "wrong type");
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}
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ciInstance(ciKlass* klass) : ciObject(klass) {}
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instanceOop get_instanceOop() { return (instanceOop)get_oop(); }
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const char* type_string() { return "ciInstance"; }
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void print_impl(outputStream* st);
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public:
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// If this object is a java mirror, return the corresponding type.
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// Otherwise, return NULL.
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// (Remember that a java mirror is an instance of java.lang.Class.)
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ciType* java_mirror_type();
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// What kind of ciObject is this?
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bool is_instance() { return true; }
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bool is_java_object() { return true; }
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// Constant value of a field.
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ciConstant field_value(ciField* field);
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// Constant value of a field at the specified offset.
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ciConstant field_value_by_offset(int field_offset);
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ciKlass* java_lang_Class_klass();
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};
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#endif // SHARE_VM_CI_CIINSTANCE_HPP
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