duke@435: /*
duke@435:  * Copyright 1999-2005 Sun Microsystems, Inc.  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:  *
duke@435:  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435:  * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435:  * have any questions.
duke@435:  *
duke@435:  */
duke@435: 
duke@435: #include "incls/_precompiled.incl"
duke@435: #include "incls/_ciArrayKlass.cpp.incl"
duke@435: 
duke@435: // ciArrayKlass
duke@435: //
duke@435: // This class represents a klassOop in the HotSpot virtual machine
duke@435: // whose Klass part in an arrayKlass.
duke@435: 
duke@435: // ------------------------------------------------------------------
duke@435: // ciArrayKlass::ciArrayKlass
duke@435: //
duke@435: // Loaded array klass.
duke@435: ciArrayKlass::ciArrayKlass(KlassHandle h_k) : ciKlass(h_k) {
duke@435:   assert(get_Klass()->oop_is_array(), "wrong type");
duke@435:   _dimension = get_arrayKlass()->dimension();
duke@435: }
duke@435: 
duke@435: // ------------------------------------------------------------------
duke@435: // ciArrayKlass::ciArrayKlass
duke@435: //
duke@435: // Unloaded array klass.
duke@435: ciArrayKlass::ciArrayKlass(ciSymbol* name, int dimension, ciKlass* klass)
duke@435:   : ciKlass(name, klass) {
duke@435:   _dimension = dimension;
duke@435: }
duke@435: 
duke@435: // ------------------------------------------------------------------
duke@435: // ciArrayKlass::element_type
duke@435: //
duke@435: // What type is obtained when this array is indexed once?
duke@435: ciType* ciArrayKlass::element_type() {
duke@435:   if (is_type_array_klass()) {
duke@435:     return ciType::make(as_type_array_klass()->element_type());
duke@435:   } else {
duke@435:     return as_obj_array_klass()->element_klass()->as_klass();
duke@435:   }
duke@435: }
duke@435: 
duke@435: 
duke@435: // ------------------------------------------------------------------
duke@435: // ciArrayKlass::base_element_type
duke@435: //
duke@435: // What type is obtained when this array is indexed as many times as possible?
duke@435: ciType* ciArrayKlass::base_element_type() {
duke@435:   if (is_type_array_klass()) {
duke@435:     return ciType::make(as_type_array_klass()->element_type());
duke@435:   } else {
duke@435:     ciKlass* ek = as_obj_array_klass()->base_element_klass();
duke@435:     if (ek->is_type_array_klass()) {
duke@435:       return ciType::make(ek->as_type_array_klass()->element_type());
duke@435:     }
duke@435:     return ek;
duke@435:   }
duke@435: }
duke@435: 
duke@435: 
duke@435: // ------------------------------------------------------------------
duke@435: // ciArrayKlass::is_leaf_type
duke@435: bool ciArrayKlass::is_leaf_type() {
duke@435:   if (is_type_array_klass()) {
duke@435:     return true;
duke@435:   } else {
duke@435:     return as_obj_array_klass()->base_element_klass()->is_leaf_type();
duke@435:   }
duke@435: }
duke@435: 
duke@435: 
duke@435: // ------------------------------------------------------------------
duke@435: // ciArrayKlass::base_element_type
duke@435: //
duke@435: // What type is obtained when this array is indexed as many times as possible?
duke@435: ciArrayKlass* ciArrayKlass::make(ciType* element_type) {
duke@435:   if (element_type->is_primitive_type()) {
duke@435:     return ciTypeArrayKlass::make(element_type->basic_type());
duke@435:   } else {
duke@435:     return ciObjArrayKlass::make(element_type->as_klass());
duke@435:   }
duke@435: }