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 java.util.LinkedList; 27 import jdk.test.lib.jittester.IRNode; 28 import jdk.test.lib.jittester.ProductionFailedException; 29 import jdk.test.lib.jittester.SymbolTable; 30 import jdk.test.lib.jittester.Type; 31 import jdk.test.lib.jittester.TypeList; 32 import jdk.test.lib.jittester.VariableDeclaration; 33 import jdk.test.lib.jittester.VariableInfo; 34 import jdk.test.lib.jittester.types.TypeKlass; 35 import jdk.test.lib.jittester.utils.PseudoRandom; 36 37 class VariableDeclarationFactory extends Factory { 38 protected final boolean isStatic; 39 protected final boolean isLocal; 40 protected final TypeKlass ownerClass; 41 private Type resultType; 42 43 VariableDeclarationFactory(TypeKlass ownerClass, boolean isStatic, boolean isLocal, Type resultType) { 44 this.ownerClass = ownerClass; 45 this.isStatic = isStatic; 46 this.isLocal = isLocal; 47 this.resultType = resultType; 48 } 49 50 @Override 51 public IRNode produce() throws ProductionFailedException { 52 if (resultType == TypeList.getVoid()) { 53 LinkedList<Type> types = new LinkedList<>(TypeList.getAll()); 54 PseudoRandom.shuffle(types); 55 if (types.isEmpty()) { 56 throw new ProductionFailedException(); 57 } 58 resultType = types.getFirst(); 59 } 60 String resultName = "var_" + SymbolTable.getNextVariableNumber(); 61 int flags = VariableInfo.NONE; 62 if (isStatic) { 63 flags |= VariableInfo.STATIC; 64 } 65 if (isLocal) { 66 flags |= VariableInfo.LOCAL; 67 } 68 VariableInfo varInfo = new VariableInfo(resultName, ownerClass, resultType, flags); 69 SymbolTable.add(varInfo); 70 return new VariableDeclaration(varInfo); 71 } 72 }