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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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package com.oracle.truffle.tck;
import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.nodes.RootNode;
import com.oracle.truffle.api.TruffleLanguage;
import com.oracle.truffle.api.interop.ForeignAccess;
import com.oracle.truffle.api.dsl.UnsupportedSpecializationException;
import com.oracle.truffle.api.interop.UnsupportedTypeException;

/**
 * This message resolution is generated by {@link com.oracle.truffle.tck.ComplexNumberMessageResolution.ComplexReadNode}
 * It is used by the foreign access factory {@link com.oracle.truffle.tck.ComplexNumberMessageResolutionForeign}
 */
abstract class ComplexReadNodeSub extends com.oracle.truffle.tck.ComplexNumberMessageResolution.ComplexReadNode {
    public abstract Object executeWithTarget(VirtualFrame frame, Object o0, Object o1);
    @Specialization
    protected Object accessWithTarget(com.oracle.truffle.tck.ComplexNumber complex, java.lang.String identifier) {
        return access(complex, identifier);
    }
    @Specialization
    protected Object accessWithTarget(com.oracle.truffle.tck.ComplexNumber complex, int index) {
        return access(complex, index);
    }
    private static final class ReadRootNode extends RootNode {
        protected ReadRootNode(Class> language) {
            super(language, null, null);
        }

        @Child private ComplexReadNodeSub node = com.oracle.truffle.tck.ComplexReadNodeSubNodeGen.create();
        @Override
        public Object execute(VirtualFrame frame) {
            Object receiver = ForeignAccess.getReceiver(frame);
            Object identifier = ForeignAccess.getArguments(frame).get(0);
            try {
                return node.executeWithTarget(frame, receiver, identifier);
            } catch (UnsupportedSpecializationException e) {
                if (e.getNode() instanceof ComplexReadNodeSub) {
                  throw UnsupportedTypeException.raise(e, e.getSuppliedValues());
                } else {
                  throw e;
                }
            }
        }

    }
    public static RootNode createRoot(Class> language) {
        return new ReadRootNode(language);
    }
}