ComplexNumberBEntryMessageResolution.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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 com.oracle.truffle.tck;

import com.oracle.truffle.api.interop.MessageResolution;
import com.oracle.truffle.api.interop.Resolve;
import com.oracle.truffle.api.interop.UnknownIdentifierException;
import com.oracle.truffle.api.nodes.Node;

@MessageResolution(receiverType = ComplexNumberBEntry.class)
class ComplexNumberBEntryMessageResolution {

    @Resolve(message = "KEYS")
    abstract static class ComplexNumbersBEntryKeysNode extends Node {

        public Object access(ComplexNumberBEntry complexNumber) {
            assert complexNumber != null;
            return ComplexNumberEntryKeys.INSTANCE;
        }
    }

    @Resolve(message = "READ")
    abstract static class ComplexNumbersBEntryReadNode extends Node {

        public Object access(ComplexNumberBEntry complexNumber, String name) {
            if (name.equals(ComplexNumber.IMAGINARY_IDENTIFIER)) {
                return complexNumber.getNumbers().getImags()[complexNumber.getIndex()];
            } else if (name.equals(ComplexNumber.REAL_IDENTIFIER)) {
                return complexNumber.getNumbers().getReals()[complexNumber.getIndex()];
            } else {
                throw UnknownIdentifierException.raise(name);
            }
        }
    }

    @Resolve(message = "WRITE")
    abstract static class ComplexNumbersBEntryWriteNode extends Node {

        public Object access(ComplexNumberBEntry complexNumber, String name, Number value) {
            if (name.equals(ComplexNumber.IMAGINARY_IDENTIFIER)) {
                complexNumber.getNumbers().getImags()[complexNumber.getIndex()] = value.doubleValue();
            } else if (name.equals(ComplexNumber.REAL_IDENTIFIER)) {
                complexNumber.getNumbers().getReals()[complexNumber.getIndex()] = value.doubleValue();
            } else {
                throw UnknownIdentifierException.raise(name);
            }
            return value;
        }

    }

}