aoqi@0: /*
aoqi@0:  * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: #ifndef SHARE_VM_CI_CIINSTANCE_HPP
aoqi@0: #define SHARE_VM_CI_CIINSTANCE_HPP
aoqi@0: 
aoqi@0: #include "ci/ciObject.hpp"
aoqi@0: #include "oops/instanceOop.hpp"
aoqi@0: 
aoqi@0: // ciInstance
aoqi@0: //
aoqi@0: // This class represents an instanceOop in the HotSpot virtual
aoqi@0: // machine.  This is an oop which corresponds to a non-array
aoqi@0: // instance of java.lang.Object.
aoqi@0: class ciInstance : public ciObject {
aoqi@0:   CI_PACKAGE_ACCESS
aoqi@0: 
aoqi@0: protected:
aoqi@0:   ciInstance(instanceHandle h_i) : ciObject(h_i) {
aoqi@0:     assert(h_i()->is_instance(), "wrong type");
aoqi@0:   }
aoqi@0: 
aoqi@0:   ciInstance(ciKlass* klass) : ciObject(klass) {}
aoqi@0: 
aoqi@0:   instanceOop get_instanceOop() { return (instanceOop)get_oop(); }
aoqi@0: 
aoqi@0:   const char* type_string() { return "ciInstance"; }
aoqi@0: 
aoqi@0:   void print_impl(outputStream* st);
aoqi@0: 
aoqi@0: public:
aoqi@0:   // If this object is a java mirror, return the corresponding type.
aoqi@0:   // Otherwise, return NULL.
aoqi@0:   // (Remember that a java mirror is an instance of java.lang.Class.)
aoqi@0:   ciType* java_mirror_type();
aoqi@0: 
aoqi@0:   // What kind of ciObject is this?
aoqi@0:   bool is_instance()     { return true; }
aoqi@0:   bool is_java_object()  { return true; }
aoqi@0: 
aoqi@0:   // Constant value of a field.
aoqi@0:   ciConstant field_value(ciField* field);
aoqi@0: 
aoqi@0:   // Constant value of a field at the specified offset.
aoqi@0:   ciConstant field_value_by_offset(int field_offset);
aoqi@0: 
aoqi@0:   ciKlass* java_lang_Class_klass();
aoqi@0: };
aoqi@0: 
aoqi@0: #endif // SHARE_VM_CI_CIINSTANCE_HPP