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.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.TypeUtil; 34 import jdk.test.lib.jittester.types.TypeKlass; 35 import jdk.test.lib.jittester.types.TypeBoolean; 36 import jdk.test.lib.jittester.utils.PseudoRandom; 37 38 class CompoundShiftAssignmentOperatorFactory extends BinaryOperatorFactory { 39 CompoundShiftAssignmentOperatorFactory(OperatorKind opKind, long complexityLimit, 40 int operatorLimit, TypeKlass ownerClass, Type resultType, boolean exceptionSafe, boolean noconsts) { 41 super(opKind, complexityLimit, operatorLimit, ownerClass, resultType, exceptionSafe, noconsts); 42 } 43 44 @Override 45 protected boolean isApplicable(Type resultType) { 46 return TypeList.isBuiltInInt(resultType) && !resultType.equals(new TypeBoolean()); 47 } 48 49 @Override 50 protected Pair<Type, Type> generateTypes() throws ProductionFailedException { 51 return new Pair<>(resultType, PseudoRandom.randomElement( 52 TypeUtil.getExplicitlyCastable(TypeList.getBuiltInInt(), resultType))); 53 } 54 55 @Override 56 protected BinaryOperator generateProduction(Type leftType, Type rightType) throws ProductionFailedException { 57 long leftComplexityLimit = (long) (PseudoRandom.random() * complexityLimit); 58 long rightComplexityLimit = complexityLimit - leftComplexityLimit; 59 int leftOperatorLimit = (int) (PseudoRandom.random() * operatorLimit); 60 int rightOperatorLimit = operatorLimit = leftOperatorLimit; 61 IRNodeBuilder builder = new IRNodeBuilder().setOwnerKlass((TypeKlass) ownerClass) 62 .setExceptionSafe(exceptionSafe) 63 .setNoConsts(noconsts); 64 IRNode leftExpr = builder.setComplexityLimit(leftComplexityLimit) 65 .setOperatorLimit(leftOperatorLimit) 66 .setResultType(leftType) 67 .setIsConstant(false) 68 .setIsInitialized(true) 69 .getVariableFactory() 70 .produce(); 71 IRNode rightExpr = builder.setComplexityLimit(rightComplexityLimit) 72 .setOperatorLimit(rightOperatorLimit) 73 .setResultType(rightType) 74 .getExpressionFactory() 75 .produce(); 76 return new BinaryOperator(opKind, leftExpr, rightExpr); 77 } 78 }