duke@435: /*
never@2658:  * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #ifndef SHARE_VM_CI_CIINSTANCE_HPP
stefank@2314: #define SHARE_VM_CI_CIINSTANCE_HPP
stefank@2314: 
stefank@2314: #include "ci/ciObject.hpp"
stefank@2314: #include "oops/instanceOop.hpp"
stefank@2314: 
duke@435: // ciInstance
duke@435: //
duke@435: // This class represents an instanceOop in the HotSpot virtual
duke@435: // machine.  This is an oop which corresponds to a non-array
duke@435: // instance of java.lang.Object.
duke@435: class ciInstance : public ciObject {
duke@435:   CI_PACKAGE_ACCESS
duke@435: 
duke@435: protected:
duke@435:   ciInstance(instanceHandle h_i) : ciObject(h_i) {
duke@435:     assert(h_i()->is_instance(), "wrong type");
duke@435:   }
duke@435: 
duke@435:   ciInstance(ciKlass* klass) : ciObject(klass) {}
duke@435: 
duke@435:   instanceOop get_instanceOop() { return (instanceOop)get_oop(); }
duke@435: 
duke@435:   const char* type_string() { return "ciInstance"; }
duke@435: 
duke@435:   void print_impl(outputStream* st);
duke@435: 
duke@435: public:
duke@435:   // If this object is a java mirror, return the corresponding type.
duke@435:   // Otherwise, return NULL.
duke@435:   // (Remember that a java mirror is an instance of java.lang.Class.)
duke@435:   ciType* java_mirror_type();
duke@435: 
duke@435:   // What kind of ciObject is this?
duke@435:   bool is_instance()     { return true; }
duke@435:   bool is_java_object()  { return true; }
duke@435: 
duke@435:   // Constant value of a field.
duke@435:   ciConstant field_value(ciField* field);
duke@435: 
duke@435:   // Constant value of a field at the specified offset.
duke@435:   ciConstant field_value_by_offset(int field_offset);
never@2658: 
never@2658:   ciKlass* java_lang_Class_klass();
duke@435: };
stefank@2314: 
stefank@2314: #endif // SHARE_VM_CI_CIINSTANCE_HPP