1 /* 2 * Copyright (c) 2015, 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 24 package jdk.test.lib.jittester.factories; 25 26 import jdk.test.lib.jittester.IRNode; 27 import jdk.test.lib.jittester.ProductionFailedException; 28 import jdk.test.lib.jittester.SymbolTable; 29 30 public abstract class SafeFactory<T extends IRNode> extends Factory<T> { 31 protected abstract T sproduce() throws ProductionFailedException; 32 33 @Override 34 public T produce() throws ProductionFailedException { 35 try { 36 SymbolTable.push(); 37 T p = sproduce(); 38 SymbolTable.merge(); 39 return p; 40 } catch (ProductionFailedException e) { 41 SymbolTable.pop(); 42 throw e; 43 } 44 } 45 }