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 jdk.incubator.code.dialect.java; 27 28 import jdk.incubator.code.dialect.java.impl.FieldRefImpl; 29 import java.lang.invoke.MethodHandles; 30 import java.lang.invoke.VarHandle; 31 import java.lang.reflect.Field; 32 import jdk.incubator.code.TypeElement; 33 34 /** 35 * The symbolic reference to a Java field. 36 */ 37 public sealed interface FieldRef extends JavaRef 38 permits FieldRefImpl { 39 40 TypeElement refType(); 41 42 String name(); 43 44 TypeElement type(); 45 46 // Conversions 47 48 Field resolveToMember(MethodHandles.Lookup l) throws ReflectiveOperationException; 49 50 VarHandle resolveToHandle(MethodHandles.Lookup l) throws ReflectiveOperationException; 51 52 // Factories 53 54 static FieldRef field(Field f) { 55 return field(f.getDeclaringClass(), f.getName(), f.getType()); 56 } 57 58 static FieldRef field(Class<?> refType, String name, Class<?> type) { 59 return field(JavaType.type(refType), name, JavaType.type(type)); 60 } 61 62 static FieldRef field(TypeElement refType, String name, TypeElement type) { 63 return new FieldRefImpl(refType, name, type); 64 } 65 }