duke@435: /*
stefank@2314:  * Copyright (c) 1999, 2010, 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_CIARRAY_HPP
stefank@2314: #define SHARE_VM_CI_CIARRAY_HPP
stefank@2314: 
vlivanov@5658: #include "ci/ciArrayKlass.hpp"
vlivanov@5658: #include "ci/ciConstant.hpp"
stefank@2314: #include "ci/ciObject.hpp"
stefank@2314: #include "oops/arrayOop.hpp"
stefank@2314: #include "oops/objArrayOop.hpp"
stefank@2314: #include "oops/typeArrayOop.hpp"
stefank@2314: 
duke@435: // ciArray
duke@435: //
duke@435: // This class represents an arrayOop in the HotSpot virtual
duke@435: // machine.
duke@435: class ciArray : public ciObject {
duke@435: private:
duke@435:   int _length;
duke@435: 
duke@435: protected:
duke@435:   ciArray(    arrayHandle h_a) : ciObject(h_a), _length(h_a()->length()) {}
duke@435:   ciArray( objArrayHandle h_a) : ciObject(h_a), _length(h_a()->length()) {}
duke@435:   ciArray(typeArrayHandle h_a) : ciObject(h_a), _length(h_a()->length()) {}
duke@435: 
duke@435:   ciArray(ciKlass* klass, int len) : ciObject(klass), _length(len) {}
duke@435: 
vlivanov@5658:   arrayOop get_arrayOop() const { return (arrayOop)get_oop(); }
duke@435: 
duke@435:   const char* type_string() { return "ciArray"; }
duke@435: 
duke@435:   void print_impl(outputStream* st);
duke@435: 
vlivanov@5658:   ciConstant element_value_impl(BasicType elembt, arrayOop ary, int index);
vlivanov@5658: 
duke@435: public:
duke@435:   int length() { return _length; }
duke@435: 
vlivanov@5658:   // Convenience routines.
vlivanov@5658:   ciArrayKlass* array_type()         { return klass()->as_array_klass(); }
vlivanov@5658:   ciType*       element_type()       { return array_type()->element_type(); }
vlivanov@5658:   BasicType     element_basic_type() { return element_type()->basic_type(); }
vlivanov@5658: 
vlivanov@5658:   // Current value of an element.
vlivanov@5658:   // Returns T_ILLEGAL if there is no element at the given index.
vlivanov@5658:   ciConstant element_value(int index);
vlivanov@5658: 
vlivanov@5658:   // Current value of an element at the specified offset.
vlivanov@5658:   // Returns T_ILLEGAL if there is no element at the given offset.
vlivanov@5658:   ciConstant element_value_by_offset(intptr_t element_offset);
vlivanov@5658: 
duke@435:   // What kind of ciObject is this?
duke@435:   bool is_array()        { return true; }
duke@435:   bool is_java_object()  { return true; }
duke@435: };
stefank@2314: 
stefank@2314: #endif // SHARE_VM_CI_CIARRAY_HPP