1 /*

     2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    24 

    25 #include "precompiled.hpp"

    26 #include "ci/ciInstance.hpp"

    27 #include "ci/ciMethodType.hpp"

    28 #include "ci/ciUtilities.inline.hpp"

    29 #include "classfile/javaClasses.hpp"

    30 

    31 ciType* ciMethodType::class_to_citype(oop klass_oop) const {

    32   if (java_lang_Class::is_primitive(klass_oop)) {

    33     BasicType bt = java_lang_Class::primitive_type(klass_oop);

    34     return ciType::make(bt);

    35   } else {

    36     Klass* k = java_lang_Class::as_Klass(klass_oop);

    37     return CURRENT_ENV->get_klass(k);

    38   }

    39 }

    40 

    41 ciType* ciMethodType::rtype() const {

    42   GUARDED_VM_ENTRY(

    43     oop rtype = java_lang_invoke_MethodType::rtype(get_oop());

    44     return class_to_citype(rtype);

    45   )

    46 }

    47 

    48 int ciMethodType::ptype_count() const {

    49   GUARDED_VM_ENTRY(return java_lang_invoke_MethodType::ptype_count(get_oop());)

    50 }

    51 

    52 int ciMethodType::ptype_slot_count() const {

    53   GUARDED_VM_ENTRY(return java_lang_invoke_MethodType::ptype_slot_count(get_oop());)

    54 }

    55 

    56 ciType* ciMethodType::ptype_at(int index) const {

    57   GUARDED_VM_ENTRY(

    58     oop ptype = java_lang_invoke_MethodType::ptype(get_oop(), index);

    59     return class_to_citype(ptype);

    60   )

    61 }