--- old/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/ir/Splittable.java 2020-04-15 18:48:06.000000000 +0530 +++ /dev/null 2020-04-15 18:48:06.000000000 +0530 @@ -1,95 +0,0 @@ -/* - * Copyright (c) 2015, 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.ir; - -import java.io.Serializable; -import java.util.List; -import jdk.nashorn.internal.codegen.CompileUnit; - -/** - * An interface for splittable expressions. - */ -public interface Splittable { - - /** - * Get a list of split ranges for this splittable expression, or null - * if the expression should not be split. - * - * @return a list of split ranges - */ - List getSplitRanges(); - - /** - * A SplitRange is a range in a splittable expression. It defines the - * boundaries of the split range and provides a compile unit for code generation. - */ - final class SplitRange implements CompileUnitHolder, Serializable { - private static final long serialVersionUID = 1L; - - /** Compile unit associated with the postsets range. */ - private final CompileUnit compileUnit; - - /** postsets range associated with the unit (hi not inclusive). */ - private final int low, high; - - /** - * Constructor - * @param compileUnit compile unit - * @param low lowest array index in unit - * @param high highest array index in unit + 1 - */ - public SplitRange(final CompileUnit compileUnit, final int low, final int high) { - this.compileUnit = compileUnit; - this.low = low; - this.high = high; - } - - /** - * Get the high index position of the ArrayUnit (exclusive) - * @return high index position - */ - public int getHigh() { - return high; - } - - /** - * Get the low index position of the ArrayUnit (inclusive) - * @return low index position - */ - public int getLow() { - return low; - } - - /** - * The array compile unit - * @return array compile unit - */ - @Override - public CompileUnit getCompileUnit() { - return compileUnit; - } - } -}