hotspot/src/share/vm/ci/ciMethodType.hpp
changeset 13929 8da0dc50a6e4
equal deleted inserted replaced
13918:b01a48301e67 13929:8da0dc50a6e4
       
     1 /*
       
     2  * Copyright (c) 2012, 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 #ifndef SHARE_VM_CI_CIMETHODTYPE_HPP
       
    26 #define SHARE_VM_CI_CIMETHODTYPE_HPP
       
    27 
       
    28 #include "ci/ciInstance.hpp"
       
    29 #include "ci/ciUtilities.hpp"
       
    30 #include "classfile/javaClasses.hpp"
       
    31 
       
    32 // ciMethodType
       
    33 //
       
    34 // The class represents a java.lang.invoke.MethodType object.
       
    35 class ciMethodType : public ciInstance {
       
    36 private:
       
    37   ciType* class_to_citype(oop klass_oop) const {
       
    38     if (java_lang_Class::is_primitive(klass_oop)) {
       
    39       BasicType bt = java_lang_Class::primitive_type(klass_oop);
       
    40       return ciType::make(bt);
       
    41     } else {
       
    42       Klass* k = java_lang_Class::as_Klass(klass_oop);
       
    43       return CURRENT_ENV->get_klass(k);
       
    44     }
       
    45   }
       
    46 
       
    47 public:
       
    48   ciMethodType(instanceHandle h_i) : ciInstance(h_i) {}
       
    49 
       
    50   // What kind of ciObject is this?
       
    51   bool is_method_type() const { return true; }
       
    52 
       
    53   ciType* rtype() const {
       
    54     GUARDED_VM_ENTRY(
       
    55       oop rtype = java_lang_invoke_MethodType::rtype(get_oop());
       
    56       return class_to_citype(rtype);
       
    57     )
       
    58   }
       
    59 
       
    60   int ptype_count() const {
       
    61     GUARDED_VM_ENTRY(return java_lang_invoke_MethodType::ptype_count(get_oop());)
       
    62   }
       
    63 
       
    64   int ptype_slot_count() const {
       
    65     GUARDED_VM_ENTRY(return java_lang_invoke_MethodType::ptype_slot_count(get_oop());)
       
    66   }
       
    67 
       
    68   ciType* ptype_at(int index) const {
       
    69     GUARDED_VM_ENTRY(
       
    70       oop ptype = java_lang_invoke_MethodType::ptype(get_oop(), index);
       
    71       return class_to_citype(ptype);
       
    72     )
       
    73   }
       
    74 };
       
    75 
       
    76 #endif // SHARE_VM_CI_CIMETHODTYPE_HPP