--- old/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/codegen/LocalStateRestorationInfo.java 2020-04-15 18:47:09.000000000 +0530 +++ /dev/null 2020-04-15 18:47:09.000000000 +0530 @@ -1,59 +0,0 @@ -/* - * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. Oracle designates this - * particular file as subject to the "Classpath" exception as provided - * by Oracle in the LICENSE file that accompanied this code. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ -package jdk.nashorn.internal.codegen; - -import jdk.nashorn.internal.codegen.types.Type; - -/** - * Encapsulates the information for restoring the local state when continuing execution after a rewrite triggered by - * an optimistic assumption failure. An instance of this class is specific to a program point. - * - */ -public class LocalStateRestorationInfo { - private final Type[] localVariableTypes; - private final int[] stackLoads; - - LocalStateRestorationInfo(final Type[] localVariableTypes, final int[] stackLoads) { - this.localVariableTypes = localVariableTypes; - this.stackLoads = stackLoads; - } - - /** - * Returns the types of the local variables at the continuation of a program point. - * @return the types of the local variables at the continuation of a program point. - */ - public Type[] getLocalVariableTypes() { - return localVariableTypes.clone(); - } - - /** - * Returns the indices of local variables that need to be loaded on stack before jumping to the continuation of the - * program point. - * @return the indices of local variables that need to be loaded on stack. - */ - public int[] getStackLoads() { - return stackLoads.clone(); - } -}