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: class_to_citype(oop klass_oop) const37 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: ciMethodType(instanceHandle h_i)48 ciMethodType(instanceHandle h_i) : ciInstance(h_i) {} 49 50 // What kind of ciObject is this? is_method_type() const51 bool is_method_type() const { return true; } 52 rtype() const53 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 ptype_count() const60 int ptype_count() const { 61 GUARDED_VM_ENTRY(return java_lang_invoke_MethodType::ptype_count(get_oop());) 62 } 63 ptype_slot_count() const64 int ptype_slot_count() const { 65 GUARDED_VM_ENTRY(return java_lang_invoke_MethodType::ptype_slot_count(get_oop());) 66 } 67 ptype_at(int index) const68 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 77