StatementFactory.java

/*
 * Copyright (c) 2015, 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.
 *
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package jdk.test.lib.jittester.factories;

import jdk.test.lib.jittester.IRNode;
import jdk.test.lib.jittester.ProductionFailedException;
import jdk.test.lib.jittester.ProductionLimiter;
import jdk.test.lib.jittester.Rule;
import jdk.test.lib.jittester.Statement;
import jdk.test.lib.jittester.TypeList;
import jdk.test.lib.jittester.types.TypeKlass;
import jdk.test.lib.jittester.utils.PseudoRandom;

class StatementFactory extends Factory<Statement> {
    private final Rule<IRNode> rule;
    private final boolean needSemicolon;

    StatementFactory(long complexityLimit, int operatorLimit,
            TypeKlass ownerClass, boolean exceptionSafe,
            boolean noconsts, boolean needSemicolon ){
        this.needSemicolon = needSemicolon;
        rule = new Rule<>("statement");
        IRNodeBuilder builder = new IRNodeBuilder()
                .setComplexityLimit(complexityLimit)
                .setOperatorLimit(operatorLimit)
                .setOwnerKlass(ownerClass)
                .setExceptionSafe(exceptionSafe)
                .setNoConsts(noconsts)
                .setResultType(PseudoRandom.randomElement(TypeList.getAll()));
        rule.add("array_creation", builder.getArrayCreationFactory());
        rule.add("assignment", builder.getAssignmentOperatorFactory());
        rule.add("function", builder.getFunctionFactory(), 0.1);
    }

    @Override
    public Statement produce() throws ProductionFailedException {
        ProductionLimiter.setLimit();
        try {
            return new Statement(rule.produce(), needSemicolon);
        } finally {
            ProductionLimiter.setUnlimited();
        }
    }
}