1 /* 2 * Copyright (c) 2024, 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package java.lang.reflect.code.type; 27 28 import java.lang.reflect.code.type.impl.FieldRefImpl; 29 import java.lang.invoke.MethodHandles; 30 import java.lang.invoke.VarHandle; 31 import java.lang.reflect.Field; 32 import java.lang.reflect.code.TypeElement; 33 34 /** 35 * The symbolic reference to a Java field. 36 */ 37 public sealed interface FieldRef permits FieldRefImpl { 38 TypeElement refType(); 39 40 String name(); 41 42 TypeElement type(); 43 44 // Conversions 45 46 Field resolveToMember(MethodHandles.Lookup l) throws ReflectiveOperationException; 47 48 VarHandle resolveToHandle(MethodHandles.Lookup l) throws ReflectiveOperationException; 49 50 // Factories 51 52 static FieldRef field(Field f) { 53 return field(f.getDeclaringClass(), f.getName(), f.getType()); 54 } 55 56 static FieldRef field(Class<?> refType, String name, Class<?> type) { 57 return field(JavaType.type(refType), name, JavaType.type(type)); 58 } 59 60 static FieldRef field(TypeElement refType, String name, TypeElement type) { 61 return new FieldRefImpl(refType, name, type); 62 } 63 64 // Copied code in jdk.compiler module throws UOE 65 static FieldRef ofString(String s) { 66 /*__throw new UnsupportedOperationException();__*/ return java.lang.reflect.code.parser.impl.DescParser.parseFieldRef(s); 67 } 68 }