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.List;
  27 import jdk.test.lib.jittester.IRNode;
  28 import jdk.test.lib.jittester.LiteralInitializer;
  29 import jdk.test.lib.jittester.ProductionFailedException;
  30 import jdk.test.lib.jittester.SymbolTable;
  31 import jdk.test.lib.jittester.Type;
  32 import jdk.test.lib.jittester.TypeList;
  33 import jdk.test.lib.jittester.utils.TypeUtil;
  34 import jdk.test.lib.jittester.VariableInfo;
  35 import jdk.test.lib.jittester.loops.CounterInitializer;
  36 import jdk.test.lib.jittester.types.TypeKlass;
  37 import jdk.test.lib.jittester.types.TypeInt;
  38 import jdk.test.lib.jittester.utils.PseudoRandom;
  39 
  40 class CounterInitializerFactory extends SafeFactory {
  41     private final int counterValue;
  42     private final TypeKlass ownerClass;
  43 
  44     CounterInitializerFactory(TypeKlass ownerClass, int counterValue) {
  45         this.ownerClass = ownerClass;
  46         this.counterValue = counterValue;
  47     }
  48 
  49     @Override
  50     protected IRNode sproduce() throws ProductionFailedException {
  51         List<Type> types = TypeUtil.getMoreCapaciousThan(TypeList.getBuiltIn(), new TypeInt());
  52         types.add(new TypeInt());
  53         final Type selectedType = PseudoRandom.randomElement(types);
  54         IRNode init = new LiteralInitializer(counterValue, selectedType);
  55         String resultName = "var_" + SymbolTable.getNextVariableNumber();
  56         VariableInfo varInfo = new VariableInfo(resultName, ownerClass, selectedType,
  57                 VariableInfo.FINAL | VariableInfo.LOCAL | VariableInfo.INITIALIZED);
  58         SymbolTable.add(varInfo);
  59         return new CounterInitializer(varInfo, init);
  60     }
  61 }