ShortCircuitData.java

/*
 * Copyright (c) 2012, 2012, 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
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 * questions.
 */
package com.oracle.truffle.dsl.processor.model;

import com.oracle.truffle.dsl.processor.java.ElementUtils;

public class ShortCircuitData extends TemplateMethod {

    private ShortCircuitData genericShortCircuitMethod;
    private final String valueName;

    public ShortCircuitData(TemplateMethod template, String valueName) {
        super(template);
        this.valueName = valueName;
    }

    public String getValueName() {
        return valueName;
    }

    public void setGenericShortCircuitMethod(ShortCircuitData genericShortCircuitMethod) {
        this.genericShortCircuitMethod = genericShortCircuitMethod;
    }

    public boolean isGeneric() {
        return genericShortCircuitMethod == null;
    }

    public ShortCircuitData getGeneric() {
        if (isGeneric()) {
            return this;
        } else {
            return genericShortCircuitMethod;
        }
    }

    public boolean isCompatibleTo(SpecializationData specialization) {
        if (isGeneric() && specialization.isFallback()) {
            return true;
        }

        for (Parameter param : getParameters()) {
            Parameter specializationParam = specialization.findParameter(param.getLocalName());
            if (!ElementUtils.typeEquals(param.getType(), specializationParam.getType())) {
                return false;
            }
        }
        return true;
    }
}