| /* |
| * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.test.lib.jittester.factories; |
| |
| import jdk.test.lib.util.Pair; |
| import jdk.test.lib.jittester.BinaryOperator; |
| import jdk.test.lib.jittester.IRNode; |
| import jdk.test.lib.jittester.OperatorKind; |
| import jdk.test.lib.jittester.ProductionFailedException; |
| import jdk.test.lib.jittester.Rule; |
| import jdk.test.lib.jittester.Type; |
| import jdk.test.lib.jittester.TypeList; |
| import jdk.test.lib.jittester.VariableBase; |
| import jdk.test.lib.jittester.utils.TypeUtil; |
| import jdk.test.lib.jittester.VariableInfo; |
| import jdk.test.lib.jittester.types.TypeKlass; |
| import jdk.test.lib.jittester.utils.PseudoRandom; |
| |
| class AssignmentOperatorImplFactory extends BinaryOperatorFactory { |
| AssignmentOperatorImplFactory(long complexityLimit, int operatorLimit, TypeKlass ownerClass, |
| Type resultType, boolean exceptionSafe, boolean noconsts) { |
| super(OperatorKind.ASSIGN, complexityLimit, operatorLimit, ownerClass, resultType, exceptionSafe, noconsts); |
| } |
| |
| @Override |
| protected boolean isApplicable(Type resultType) { |
| return true; |
| } |
| |
| @Override |
| protected Pair<Type, Type> generateTypes() { |
| return new Pair<>(resultType, PseudoRandom.randomElement( |
| TypeUtil.getImplicitlyCastable(TypeList.getAll(), resultType))); |
| } |
| |
| @Override |
| protected BinaryOperator generateProduction(Type leftOperandType, Type rightOperandType) |
| throws ProductionFailedException { |
| long leftComplexityLimit = (long) (PseudoRandom.random() * complexityLimit); |
| long rightComplexityLimit = complexityLimit - leftComplexityLimit; |
| int leftOperatorLimit = (int) (PseudoRandom.random() * operatorLimit); |
| int rightOperatorLimit = operatorLimit = leftOperatorLimit; |
| IRNodeBuilder builder = new IRNodeBuilder().setOwnerKlass((TypeKlass) ownerClass) |
| .setExceptionSafe(exceptionSafe) |
| .setNoConsts(noconsts) |
| .setComplexityLimit(leftComplexityLimit) |
| .setOperatorLimit(leftOperatorLimit) |
| .setResultType(leftOperandType) |
| .setIsConstant(false); |
| Rule<VariableBase> rule = new Rule<>("assignment"); |
| rule.add("initialized_nonconst_var", builder.setIsInitialized(true).getVariableFactory()); |
| rule.add("uninitialized_nonconst_var", builder.setIsInitialized(false).getVariableFactory()); |
| VariableBase leftOperandValue = rule.produce(); |
| IRNode rightOperandValue = builder.setComplexityLimit(rightComplexityLimit) |
| .setOperatorLimit(rightOperatorLimit) |
| .setResultType(rightOperandType) |
| .getExpressionFactory() |
| .produce(); |
| try { |
| if ((leftOperandValue.getVariableInfo().flags & VariableInfo.INITIALIZED) == 0) { |
| leftOperandValue.getVariableInfo().flags |= VariableInfo.INITIALIZED; |
| } |
| } catch (Exception e) { |
| throw new ProductionFailedException(e.getMessage()); |
| } |
| return new BinaryOperator(opKind, resultType, leftOperandValue, rightOperandValue); |
| } |
| } |