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.util.Pair; 27 import jdk.test.lib.jittester.BinaryOperator; 28 import jdk.test.lib.jittester.IRNode; 29 import jdk.test.lib.jittester.OperatorKind; 30 import jdk.test.lib.jittester.ProductionFailedException; 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.types.TypeKlass; 35 import jdk.test.lib.jittester.utils.PseudoRandom; 36 37 class CompoundShiftAssignmentOperatorFactory extends BinaryOperatorFactory { 38 CompoundShiftAssignmentOperatorFactory(OperatorKind opKind, long complexityLimit, 39 int operatorLimit, TypeKlass ownerClass, Type resultType, boolean exceptionSafe, boolean noconsts) { 40 super(opKind, complexityLimit, operatorLimit, ownerClass, resultType, exceptionSafe, noconsts); 41 } 42 43 @Override 44 protected boolean isApplicable(Type resultType) { 45 return TypeList.isBuiltInInt(resultType) && !resultType.equals(TypeList.BOOLEAN); 46 } 47 48 @Override 49 protected Pair<Type, Type> generateTypes() { 50 return new Pair<>(resultType, PseudoRandom.randomElement( 51 TypeUtil.getExplicitlyCastable(TypeList.getBuiltInInt(), resultType))); 52 } 53 54 @Override 55 protected BinaryOperator generateProduction(Type leftType, Type rightType) throws ProductionFailedException { 56 long leftComplexityLimit = (long) (PseudoRandom.random() * complexityLimit); 57 long rightComplexityLimit = complexityLimit - leftComplexityLimit; 58 int leftOperatorLimit = (int) (PseudoRandom.random() * operatorLimit); 59 int rightOperatorLimit = operatorLimit = leftOperatorLimit; 60 IRNodeBuilder builder = new IRNodeBuilder().setOwnerKlass((TypeKlass) ownerClass) 61 .setExceptionSafe(exceptionSafe) 62 .setNoConsts(noconsts); 63 IRNode leftExpr = builder.setComplexityLimit(leftComplexityLimit) 64 .setOperatorLimit(leftOperatorLimit) 65 .setResultType(leftType) 66 .setIsConstant(false) 67 .setIsInitialized(true) 68 .getVariableFactory() 69 .produce(); 70 IRNode rightExpr = builder.setComplexityLimit(rightComplexityLimit) 71 .setOperatorLimit(rightOperatorLimit) 72 .setResultType(rightType) 73 .getExpressionFactory() 74 .produce(); 75 return new BinaryOperator(opKind, resultType, leftExpr, rightExpr); 76 } 77 }