1 /* 2 * Copyright (c) 1997, 2014, 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 "utilities/constantTag.hpp" 27 28 #ifndef PRODUCT 29 30 void constantTag::print_on(outputStream* st) const { 31 st->print("%s", internal_name()); 32 } 33 34 #endif // PRODUCT 35 36 BasicType constantTag::basic_type() const { 37 switch (_tag) { 38 case JVM_CONSTANT_Integer : 39 return T_INT; 40 case JVM_CONSTANT_Float : 41 return T_FLOAT; 42 case JVM_CONSTANT_Long : 43 return T_LONG; 44 case JVM_CONSTANT_Double : 45 return T_DOUBLE; 46 47 case JVM_CONSTANT_Class : 48 case JVM_CONSTANT_String : 49 case JVM_CONSTANT_UnresolvedClass : 50 case JVM_CONSTANT_UnresolvedClassInError : 51 case JVM_CONSTANT_ClassIndex : 52 case JVM_CONSTANT_StringIndex : 53 case JVM_CONSTANT_MethodHandle : 54 case JVM_CONSTANT_MethodHandleInError : 55 case JVM_CONSTANT_MethodType : 56 case JVM_CONSTANT_MethodTypeInError : 57 return T_OBJECT; 58 default: 59 ShouldNotReachHere(); 60 return T_ILLEGAL; 61 } 62 } 63 64 65 jbyte constantTag::non_error_value() const { 66 switch (_tag) { 67 case JVM_CONSTANT_UnresolvedClassInError: 68 return JVM_CONSTANT_UnresolvedClass; 69 case JVM_CONSTANT_MethodHandleInError: 70 return JVM_CONSTANT_MethodHandle; 71 case JVM_CONSTANT_MethodTypeInError: 72 return JVM_CONSTANT_MethodType; 73 default: 74 return _tag; 75 } 76 } 77 78 79 const char* constantTag::internal_name() const { 80 switch (_tag) { 81 case JVM_CONSTANT_Invalid : 82 return "Invalid index"; 83 case JVM_CONSTANT_Class : 84 return "Class"; 85 case JVM_CONSTANT_Fieldref : 86 return "Field"; 87 case JVM_CONSTANT_Methodref : 88 return "Method"; 89 case JVM_CONSTANT_InterfaceMethodref : 90 return "InterfaceMethod"; 91 case JVM_CONSTANT_String : 92 return "String"; 93 case JVM_CONSTANT_Integer : 94 return "Integer"; 95 case JVM_CONSTANT_Float : 96 return "Float"; 97 case JVM_CONSTANT_Long : 98 return "Long"; 99 case JVM_CONSTANT_Double : 100 return "Double"; 101 case JVM_CONSTANT_NameAndType : 102 return "NameAndType"; 103 case JVM_CONSTANT_MethodHandle : 104 return "MethodHandle"; 105 case JVM_CONSTANT_MethodHandleInError : 106 return "MethodHandle Error"; 107 case JVM_CONSTANT_MethodType : 108 return "MethodType"; 109 case JVM_CONSTANT_MethodTypeInError : 110 return "MethodType Error"; 111 case JVM_CONSTANT_InvokeDynamic : 112 return "InvokeDynamic"; 113 case JVM_CONSTANT_Utf8 : 114 return "Utf8"; 115 case JVM_CONSTANT_UnresolvedClass : 116 return "Unresolved Class"; 117 case JVM_CONSTANT_UnresolvedClassInError : 118 return "Unresolved Class Error"; 119 case JVM_CONSTANT_ClassIndex : 120 return "Unresolved Class Index"; 121 case JVM_CONSTANT_StringIndex : 122 return "Unresolved String Index"; 123 default: 124 ShouldNotReachHere(); 125 return "Illegal"; 126 } 127 }