aoqi@0: /*
aoqi@0:  * Copyright (c) 1999, 2013, 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_CIARRAY_HPP
aoqi@0: #define SHARE_VM_CI_CIARRAY_HPP
aoqi@0: 
aoqi@0: #include "ci/ciArrayKlass.hpp"
aoqi@0: #include "ci/ciConstant.hpp"
aoqi@0: #include "ci/ciObject.hpp"
aoqi@0: #include "oops/arrayOop.hpp"
aoqi@0: #include "oops/objArrayOop.hpp"
aoqi@0: #include "oops/typeArrayOop.hpp"
aoqi@0: 
aoqi@0: // ciArray
aoqi@0: //
aoqi@0: // This class represents an arrayOop in the HotSpot virtual
aoqi@0: // machine.
aoqi@0: class ciArray : public ciObject {
aoqi@0: private:
aoqi@0:   int _length;
aoqi@0: 
aoqi@0: protected:
aoqi@0:   ciArray(    arrayHandle h_a) : ciObject(h_a), _length(h_a()->length()) {}
aoqi@0:   ciArray( objArrayHandle h_a) : ciObject(h_a), _length(h_a()->length()) {}
aoqi@0:   ciArray(typeArrayHandle h_a) : ciObject(h_a), _length(h_a()->length()) {}
aoqi@0: 
aoqi@0:   ciArray(ciKlass* klass, int len) : ciObject(klass), _length(len) {}
aoqi@0: 
aoqi@0:   arrayOop get_arrayOop() const { return (arrayOop)get_oop(); }
aoqi@0: 
aoqi@0:   const char* type_string() { return "ciArray"; }
aoqi@0: 
aoqi@0:   void print_impl(outputStream* st);
aoqi@0: 
aoqi@0:   ciConstant element_value_impl(BasicType elembt, arrayOop ary, int index);
aoqi@0: 
aoqi@0: public:
aoqi@0:   int length() { return _length; }
aoqi@0: 
aoqi@0:   // Convenience routines.
aoqi@0:   ciArrayKlass* array_type()         { return klass()->as_array_klass(); }
aoqi@0:   ciType*       element_type()       { return array_type()->element_type(); }
aoqi@0:   BasicType     element_basic_type() { return element_type()->basic_type(); }
aoqi@0: 
aoqi@0:   // Current value of an element.
aoqi@0:   // Returns T_ILLEGAL if there is no element at the given index.
aoqi@0:   ciConstant element_value(int index);
aoqi@0: 
aoqi@0:   // Current value of an element at the specified offset.
aoqi@0:   // Returns T_ILLEGAL if there is no element at the given offset.
aoqi@0:   ciConstant element_value_by_offset(intptr_t element_offset);
aoqi@0: 
aoqi@0:   // What kind of ciObject is this?
aoqi@0:   bool is_array()        { return true; }
aoqi@0:   bool is_java_object()  { return true; }
aoqi@0: };
aoqi@0: 
aoqi@0: #endif // SHARE_VM_CI_CIARRAY_HPP