| /* |
| * Copyright (c) 1999, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "precompiled.hpp" |
| #include "ci/ciArrayKlass.hpp" |
| #include "ci/ciObjArrayKlass.hpp" |
| #include "ci/ciTypeArrayKlass.hpp" |
| #include "ci/ciUtilities.hpp" |
| |
| // ciArrayKlass |
| // |
| // This class represents a Klass* in the HotSpot virtual machine |
| // whose Klass part in an ArrayKlass. |
| |
| // ------------------------------------------------------------------ |
| // ciArrayKlass::ciArrayKlass |
| // |
| // Loaded array klass. |
| ciArrayKlass::ciArrayKlass(Klass* k) : ciKlass(k) { |
| assert(get_Klass()->is_array_klass(), "wrong type"); |
| _dimension = get_ArrayKlass()->dimension(); |
| } |
| |
| // ------------------------------------------------------------------ |
| // ciArrayKlass::ciArrayKlass |
| // |
| // Unloaded array klass. |
| ciArrayKlass::ciArrayKlass(ciSymbol* name, int dimension, BasicType bt) |
| : ciKlass(name, bt) { |
| _dimension = dimension; |
| } |
| |
| // ------------------------------------------------------------------ |
| // ciArrayKlass::element_type |
| // |
| // What type is obtained when this array is indexed once? |
| ciType* ciArrayKlass::element_type() { |
| if (is_type_array_klass()) { |
| return ciType::make(as_type_array_klass()->element_type()); |
| } else { |
| return as_obj_array_klass()->element_klass()->as_klass(); |
| } |
| } |
| |
| |
| // ------------------------------------------------------------------ |
| // ciArrayKlass::base_element_type |
| // |
| // What type is obtained when this array is indexed as many times as possible? |
| ciType* ciArrayKlass::base_element_type() { |
| if (is_type_array_klass()) { |
| return ciType::make(as_type_array_klass()->element_type()); |
| } else { |
| ciKlass* ek = as_obj_array_klass()->base_element_klass(); |
| if (ek->is_type_array_klass()) { |
| return ciType::make(ek->as_type_array_klass()->element_type()); |
| } |
| return ek; |
| } |
| } |
| |
| |
| // ------------------------------------------------------------------ |
| // ciArrayKlass::is_leaf_type |
| bool ciArrayKlass::is_leaf_type() { |
| if (is_type_array_klass()) { |
| return true; |
| } else { |
| return as_obj_array_klass()->base_element_klass()->is_leaf_type(); |
| } |
| } |
| |
| |
| // ------------------------------------------------------------------ |
| // ciArrayKlass::base_element_type |
| // |
| // What type is obtained when this array is indexed as many times as possible? |
| ciArrayKlass* ciArrayKlass::make(ciType* element_type) { |
| if (element_type->is_primitive_type()) { |
| return ciTypeArrayKlass::make(element_type->basic_type()); |
| } else { |
| return ciObjArrayKlass::make(element_type->as_klass()); |
| } |
| } |