constantTag.cpp revision 10871:90aeaed2b342
1168404Spjd/* 2168404Spjd * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. 3168404Spjd * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4168404Spjd * 5168404Spjd * This code is free software; you can redistribute it and/or modify it 6168404Spjd * under the terms of the GNU General Public License version 2 only, as 7168404Spjd * published by the Free Software Foundation. 8168404Spjd * 9168404Spjd * This code is distributed in the hope that it will be useful, but WITHOUT 10168404Spjd * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11168404Spjd * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12168404Spjd * version 2 for more details (a copy is included in the LICENSE file that 13168404Spjd * accompanied this code). 14168404Spjd * 15168404Spjd * You should have received a copy of the GNU General Public License version 16168404Spjd * 2 along with this work; if not, write to the Free Software Foundation, 17168404Spjd * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18168404Spjd * 19168404Spjd * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20168404Spjd * or visit www.oracle.com if you need additional information or have any 21168404Spjd * questions. 22168404Spjd * 23168404Spjd */ 24168404Spjd 25168404Spjd#include "precompiled.hpp" 26169195Spjd#include "utilities/constantTag.hpp" 27169195Spjd#include "utilities/ostream.hpp" 28168404Spjd 29168404Spjd#ifndef PRODUCT 30168404Spjd 31168404Spjdvoid constantTag::print_on(outputStream* st) const { 32168404Spjd st->print("%s", internal_name()); 33168404Spjd} 34168404Spjd 35168404Spjd#endif // PRODUCT 36168404Spjd 37168404SpjdBasicType constantTag::basic_type() const { 38168404Spjd switch (_tag) { 39168404Spjd case JVM_CONSTANT_Integer : 40168404Spjd return T_INT; 41168404Spjd case JVM_CONSTANT_Float : 42168404Spjd return T_FLOAT; 43168404Spjd case JVM_CONSTANT_Long : 44168404Spjd return T_LONG; 45168404Spjd case JVM_CONSTANT_Double : 46168404Spjd return T_DOUBLE; 47168404Spjd 48168404Spjd case JVM_CONSTANT_Class : 49168404Spjd case JVM_CONSTANT_String : 50168404Spjd case JVM_CONSTANT_UnresolvedClass : 51168404Spjd case JVM_CONSTANT_UnresolvedClassInError : 52168404Spjd case JVM_CONSTANT_ClassIndex : 53168404Spjd case JVM_CONSTANT_StringIndex : 54168404Spjd case JVM_CONSTANT_MethodHandle : 55168404Spjd case JVM_CONSTANT_MethodHandleInError : 56168404Spjd case JVM_CONSTANT_MethodType : 57168404Spjd case JVM_CONSTANT_MethodTypeInError : 58168404Spjd return T_OBJECT; 59168404Spjd default: 60168404Spjd ShouldNotReachHere(); 61168404Spjd return T_ILLEGAL; 62168404Spjd } 63168404Spjd} 64168404Spjd 65168404Spjd 66168404Spjdjbyte constantTag::non_error_value() const { 67168404Spjd switch (_tag) { 68168404Spjd case JVM_CONSTANT_UnresolvedClassInError: 69168404Spjd return JVM_CONSTANT_UnresolvedClass; 70168404Spjd case JVM_CONSTANT_MethodHandleInError: 71168404Spjd return JVM_CONSTANT_MethodHandle; 72168404Spjd case JVM_CONSTANT_MethodTypeInError: 73168488Spjd return JVM_CONSTANT_MethodType; 74168404Spjd default: 75168404Spjd return _tag; 76168488Spjd } 77168404Spjd} 78168404Spjd 79168404Spjd 80168404Spjdjbyte constantTag::error_value() const { 81168404Spjd switch (_tag) { 82168488Spjd case JVM_CONSTANT_UnresolvedClass: 83168404Spjd return JVM_CONSTANT_UnresolvedClassInError; 84168404Spjd case JVM_CONSTANT_MethodHandle: 85168404Spjd return JVM_CONSTANT_MethodHandleInError; 86168404Spjd case JVM_CONSTANT_MethodType: 87168404Spjd return JVM_CONSTANT_MethodTypeInError; 88168404Spjd default: 89168404Spjd ShouldNotReachHere(); 90168404Spjd return JVM_CONSTANT_Invalid; 91168404Spjd } 92168404Spjd} 93168404Spjd 94168404Spjdconst char* constantTag::internal_name() const { 95168404Spjd switch (_tag) { 96168404Spjd case JVM_CONSTANT_Invalid : 97168404Spjd return "Invalid index"; 98168404Spjd case JVM_CONSTANT_Class : 99168404Spjd return "Class"; 100168404Spjd case JVM_CONSTANT_Fieldref : 101168404Spjd return "Field"; 102168404Spjd case JVM_CONSTANT_Methodref : 103168404Spjd return "Method"; 104168404Spjd case JVM_CONSTANT_InterfaceMethodref : 105168404Spjd return "InterfaceMethod"; 106168404Spjd case JVM_CONSTANT_String : 107168404Spjd return "String"; 108168404Spjd case JVM_CONSTANT_Integer : 109168404Spjd return "Integer"; 110168404Spjd case JVM_CONSTANT_Float : 111168404Spjd return "Float"; 112168404Spjd case JVM_CONSTANT_Long : 113168404Spjd return "Long"; 114168404Spjd case JVM_CONSTANT_Double : 115168404Spjd return "Double"; 116168404Spjd case JVM_CONSTANT_NameAndType : 117168404Spjd return "NameAndType"; 118168404Spjd case JVM_CONSTANT_MethodHandle : 119168404Spjd return "MethodHandle"; 120168404Spjd case JVM_CONSTANT_MethodHandleInError : 121168404Spjd return "MethodHandle Error"; 122168404Spjd case JVM_CONSTANT_MethodType : 123168404Spjd return "MethodType"; 124168404Spjd case JVM_CONSTANT_MethodTypeInError : 125168404Spjd return "MethodType Error"; 126168404Spjd case JVM_CONSTANT_InvokeDynamic : 127168404Spjd return "InvokeDynamic"; 128168404Spjd case JVM_CONSTANT_Utf8 : 129168404Spjd return "Utf8"; 130168404Spjd case JVM_CONSTANT_UnresolvedClass : 131168404Spjd return "Unresolved Class"; 132168404Spjd case JVM_CONSTANT_UnresolvedClassInError : 133168404Spjd return "Unresolved Class Error"; 134168404Spjd case JVM_CONSTANT_ClassIndex : 135168404Spjd return "Unresolved Class Index"; 136168404Spjd case JVM_CONSTANT_StringIndex : 137168404Spjd return "Unresolved String Index"; 138168404Spjd default: 139168404Spjd ShouldNotReachHere(); 140168404Spjd return "Illegal"; 141168404Spjd } 142168404Spjd} 143168404Spjd