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.ArrayList; 27 import jdk.test.lib.jittester.IRNode; 28 import jdk.test.lib.jittester.Literal; 29 import jdk.test.lib.jittester.ProductionFailedException; 30 import jdk.test.lib.jittester.ProductionParams; 31 import jdk.test.lib.jittester.Type; 32 import jdk.test.lib.jittester.TypeList; 33 import jdk.test.lib.jittester.arrays.ArrayCreation; 34 import jdk.test.lib.jittester.arrays.ArrayExtraction; 35 import jdk.test.lib.jittester.types.TypeArray; 36 import jdk.test.lib.jittester.types.TypeKlass; 37 import jdk.test.lib.jittester.utils.PseudoRandom; 38 39 class ArrayExtractionFactory extends SafeFactory<ArrayExtraction> { 40 private final long complexityLimit; 41 private final int operatorLimit; 42 private final Type resultType; 43 private final TypeKlass ownerClass; 44 private final boolean exceptionSafe; 45 private final boolean noconsts; 46 47 ArrayExtractionFactory(long complexityLimit, int operatorLimit, TypeKlass ownerClass, 48 Type resultType, boolean exceptionSafe, boolean noconsts) { 49 this.complexityLimit = complexityLimit; 50 this.operatorLimit = operatorLimit; 51 this.ownerClass = ownerClass; 52 this.resultType = resultType; 53 this.exceptionSafe = exceptionSafe; 54 this.noconsts = noconsts; 55 } 56 57 @Override 58 public ArrayExtraction sproduce() throws ProductionFailedException { 59 if (resultType instanceof TypeArray) { 60 TypeArray arrayType = (TypeArray) resultType; 61 int delta = PseudoRandom.randomNotZero(ProductionParams.dimensionsLimit.value() 62 - arrayType.dimensions); 63 if (arrayType.dimensions + delta <= ProductionParams.dimensionsLimit.value()) { 64 long arrayComplLimit = (long) (complexityLimit * 0.5 * PseudoRandom.random()); 65 int arrayOpLimit = (int) (operatorLimit * 0.5 * PseudoRandom.random()); 66 IRNodeBuilder builder = new IRNodeBuilder().setOwnerKlass(ownerClass) 67 .setExceptionSafe(exceptionSafe) 68 .setNoConsts(noconsts); 69 IRNode arrayReturningExpression = builder 70 .setComplexityLimit(arrayComplLimit) 71 .setOperatorLimit(arrayOpLimit) 72 .setResultType(new TypeArray(arrayType.type, arrayType.dimensions + delta)) 73 .getExpressionFactory().produce(); 74 ArrayList<IRNode> perDimensionExpression = new ArrayList<>(delta); 75 long dimComplLimit = (long) ((complexityLimit - arrayComplLimit) 76 * PseudoRandom.random()) / delta; 77 int dimOpLimit = (int) ((operatorLimit - arrayOpLimit - delta) 78 * PseudoRandom.random()) / delta; 79 double chanceExpression = ProductionParams.chanceExpressionIndex.value() / 100.; 80 for (int i = 0; i < delta; i++) { 81 if (PseudoRandom.randomBoolean(chanceExpression)) { 82 perDimensionExpression.add(builder.setResultType(TypeList.BYTE) 83 .setComplexityLimit(dimComplLimit) 84 .setOperatorLimit(dimOpLimit) 85 .getExpressionFactory() 86 .produce()); 87 } else { 88 byte dimLimit = 0; 89 if (arrayReturningExpression instanceof ArrayCreation) { 90 ArrayCreation arratCreation = (ArrayCreation) arrayReturningExpression; 91 dimLimit = arratCreation.getDimensionSize(i); 92 } else if (arrayReturningExpression instanceof ArrayExtraction) { 93 ArrayExtraction arrayExtraction = (ArrayExtraction) arrayReturningExpression; 94 if (i < arrayExtraction.getDimsNumber()) 95 dimLimit = arrayExtraction.getDim(i); 96 } 97 perDimensionExpression.add(new Literal((byte)PseudoRandom.randomNotNegative(dimLimit), TypeList.BYTE)); 98 } 99 } 100 return new ArrayExtraction(arrayReturningExpression, perDimensionExpression); 101 } 102 } 103 throw new ProductionFailedException(); 104 } 105 }