1 /* 2 * Copyright (c) 2010, 2013, 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.nashorn.internal.runtime; 27 28 /** 29 * This is the base class for function scopes. Subclasses of this class are 30 * produced by the ObjectClassGenerator along with additional fields for storing 31 * local vars. The number of fields required is determined by ObjectCreator. 32 * 33 * The scope is also responsible for handling the var arg 'arguments' object, 34 * though most of the access is via generated code. 35 * 36 * The constructor of this class is responsible for any function prologue 37 * involving the scope. 38 */ 39 public class FunctionScope extends Scope { 40 41 /** Area to store scope arguments. (public for access from scripts.) */ 42 public final ScriptObject arguments; 43 44 /** 45 * Constructor 46 * 47 * @param map property map 48 * @param callerScope caller scope 49 * @param arguments arguments 50 */ 51 public FunctionScope(final PropertyMap map, final ScriptObject callerScope, final ScriptObject arguments) { 52 super(callerScope, map); 53 this.arguments = arguments; 54 } 55 56 /** 57 * Constructor 58 * 59 * @param map property map 60 * @param callerScope caller scope 61 */ 62 public FunctionScope(final PropertyMap map, final ScriptObject callerScope) { 63 super(callerScope, map); 64 this.arguments = null; 65 } 66 67 /** 68 * Constructor 69 * 70 * @param map property map 71 * @param primitiveSpill primitive spill pool 72 * @param objectSpill reference spill pool 73 */ 74 public FunctionScope(final PropertyMap map, final long[] primitiveSpill, final Object[] objectSpill) { 75 super(map, primitiveSpill, objectSpill); 76 this.arguments = null; 77 } 78 }