1 /* 2 * Copyright (c) 2019, 2020, 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 package jdk.internal.foreign.abi; 24 25 import jdk.incubator.foreign.NativeScope; 26 27 import java.util.ArrayDeque; 28 import java.util.Deque; 29 import java.util.List; 30 31 public class BindingInterpreter { 32 33 static void unbox(Object arg, List<Binding> bindings, StoreFunc storeFunc, NativeScope scope) { 34 Deque<Object> stack = new ArrayDeque<>(); 35 stack.push(arg); 36 for (Binding b : bindings) { 37 b.unbox(stack, storeFunc, scope); 38 } 39 } 40 41 static Object box(List<Binding> bindings, LoadFunc loadFunc) { 42 Deque<Object> stack = new ArrayDeque<>(); 43 for (Binding b : bindings) { 44 b.box(stack, loadFunc); 45 } 46 return stack.pop(); 47 } 48 49 interface StoreFunc { 50 void store(VMStorage storage, Class<?> type, Object o); 51 } 52 53 interface LoadFunc { 54 Object load(VMStorage storage, Class<?> type); 55 } 56 }