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A collection of tests that can certify language implementation to be compliant with most recent requirements of the Truffle infrastructure and tooling.

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/*
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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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 *
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package com.oracle.truffle.tck;

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

@MessageResolution(receiverType = ComplexNumberEntryKeys.class)
class ComplexNumberEntryKeysMessageResolution {

    @Resolve(message = "HAS_SIZE")
    abstract static class VarNamesHasSizeNode extends Node {

        @SuppressWarnings("unused")
        public Object access(ComplexNumberEntryKeys varNames) {
            return true;
        }
    }

    @Resolve(message = "GET_SIZE")
    abstract static class VarNamesGetSizeNode extends Node {

        @SuppressWarnings("unused")
        public Object access(ComplexNumberEntryKeys varNames) {
            return 2;
        }
    }

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

        @SuppressWarnings("unused")
        public Object access(ComplexNumberEntryKeys varNames, int index) {
            if (index == 0) {
                return ComplexNumber.REAL_IDENTIFIER;
            } else if (index == 1) {
                return ComplexNumber.IMAGINARY_IDENTIFIER;
            }
            CompilerDirectives.transferToInterpreter();
            throw new IndexOutOfBoundsException("Index " + index + " out of bounds (idx 0 = real; idx 1 = imag");
        }
    }

}




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