1 /* 2 * Copyright (c) 1994, 2003, 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 sun.tools.tree; 27 28 import sun.tools.java.*; 29 import sun.tools.asm.Label; 30 31 /** 32 * WARNING: The contents of this source file are not part of any 33 * supported API. Code that depends on them does so at its own risk: 34 * they are subject to change or removal without notice. 35 */ 36 class CodeContext extends Context { 37 Label breakLabel; 38 Label contLabel; 39 40 /** 41 * Create a new nested context, for a block statement 42 */ CodeContext(Context ctx, Node node)43 CodeContext(Context ctx, Node node) { 44 super(ctx, node); 45 switch (node.op) { 46 case DO: 47 case WHILE: 48 case FOR: 49 case FINALLY: 50 case SYNCHRONIZED: 51 this.breakLabel = new Label(); 52 this.contLabel = new Label(); 53 break; 54 case SWITCH: 55 case TRY: 56 case INLINEMETHOD: 57 case INLINENEWINSTANCE: 58 this.breakLabel = new Label(); 59 break; 60 default: 61 if ((node instanceof Statement) && (((Statement)node).labels != null)) { 62 this.breakLabel = new Label(); 63 } 64 } 65 } 66 } 67