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.inline.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 }