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Truffle is a multi-language framework for executing dynamic languages that achieves high performance when combined with Graal.
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// CheckStyle: start generated
package com.oracle.truffle.polyglot;

import com.oracle.truffle.api.CompilerDirectives;
import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
import com.oracle.truffle.api.dsl.GeneratedBy;
import com.oracle.truffle.api.interop.InteropLibrary;
import com.oracle.truffle.api.interop.UnknownIdentifierException;
import com.oracle.truffle.api.interop.UnsupportedMessageException;
import com.oracle.truffle.api.interop.UnsupportedTypeException;
import com.oracle.truffle.api.library.DynamicDispatchLibrary;
import com.oracle.truffle.api.library.LibraryExport;
import com.oracle.truffle.api.library.LibraryFactory;
import com.oracle.truffle.api.nodes.NodeCost;
import com.oracle.truffle.polyglot.LegacyScopesBridge.SubtractedVariables;

@GeneratedBy(SubtractedVariables.class)
final class SubtractedVariablesGen {

    private static final LibraryFactory DYNAMIC_DISPATCH_LIBRARY_ = LibraryFactory.resolve(DynamicDispatchLibrary.class);

    static  {
        LibraryExport.register(SubtractedVariables.class, new InteropLibraryExports());
    }

    private SubtractedVariablesGen() {
    }

    @GeneratedBy(SubtractedVariables.class)
    private static final class InteropLibraryExports extends LibraryExport {

        private InteropLibraryExports() {
            super(InteropLibrary.class, SubtractedVariables.class, false);
        }

        @Override
        protected InteropLibrary createUncached(Object receiver) {
            assert receiver instanceof SubtractedVariables;
            InteropLibrary uncached = new Uncached(receiver);
            return uncached;
        }

        @Override
        protected InteropLibrary createCached(Object receiver) {
            assert receiver instanceof SubtractedVariables;
            return new Cached(receiver);
        }

        @GeneratedBy(SubtractedVariables.class)
        private static final class Cached extends InteropLibrary {

            private final Class receiverClass_;

            Cached(Object originalReceiver) {
                SubtractedVariables receiver = ((SubtractedVariables) originalReceiver) ;
                this.receiverClass_ = receiver.getClass();
            }

            @Override
            public boolean accepts(Object receiver) {
                assert receiver.getClass() != this.receiverClass_ || DYNAMIC_DISPATCH_LIBRARY_.getUncached().dispatch(receiver) == null : "Invalid library export. Exported receiver with dynamic dispatch found but not expected.";
                return receiver.getClass() == this.receiverClass_;
            }

            @Override
            public boolean hasMembers(Object receiver) {
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                return (CompilerDirectives.castExact(receiver, receiverClass_)).hasMembers();
            }

            @Override
            public Object getMembers(Object receiver, boolean includeInternal) throws UnsupportedMessageException {
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                return (CompilerDirectives.castExact(receiver, receiverClass_)).getMembers(includeInternal);
            }

            @Override
            public boolean isMemberReadable(Object receiver, String member) {
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                return (CompilerDirectives.castExact(receiver, receiverClass_)).isMemberReadable(member);
            }

            @Override
            public Object readMember(Object receiver, String member) throws UnsupportedMessageException, UnknownIdentifierException {
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                return (CompilerDirectives.castExact(receiver, receiverClass_)).readMember(member);
            }

            @Override
            public boolean isMemberModifiable(Object receiver, String member) {
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                return (CompilerDirectives.castExact(receiver, receiverClass_)).isMemberModifiable(member);
            }

            @Override
            public boolean isMemberInsertable(Object receiver, String member) {
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                return (CompilerDirectives.castExact(receiver, receiverClass_)).isMemberInsertable(member);
            }

            @Override
            public void writeMember(Object receiver, String member, Object value) throws UnsupportedMessageException, UnknownIdentifierException, UnsupportedTypeException {
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                (CompilerDirectives.castExact(receiver, receiverClass_)).writeMember(member, value);
                return;
            }

            @Override
            public boolean hasMemberReadSideEffects(Object receiver, String member) {
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                return (CompilerDirectives.castExact(receiver, receiverClass_)).hasMemberReadSideEffects(member);
            }

            @Override
            public boolean hasMemberWriteSideEffects(Object receiver, String member) {
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                return (CompilerDirectives.castExact(receiver, receiverClass_)).hasMemberWriteSideEffects(member);
            }

        }
        @GeneratedBy(SubtractedVariables.class)
        private static final class Uncached extends InteropLibrary {

            private final Class receiverClass_;

            Uncached(Object receiver) {
                this.receiverClass_ = ((SubtractedVariables) receiver).getClass();
            }

            @TruffleBoundary
            @Override
            public boolean accepts(Object receiver) {
                assert receiver.getClass() != this.receiverClass_ || DYNAMIC_DISPATCH_LIBRARY_.getUncached().dispatch(receiver) == null : "Invalid library export. Exported receiver with dynamic dispatch found but not expected.";
                return receiver.getClass() == this.receiverClass_;
            }

            @Override
            public boolean isAdoptable() {
                return false;
            }

            @Override
            public NodeCost getCost() {
                return NodeCost.MEGAMORPHIC;
            }

            @TruffleBoundary
            @Override
            public boolean hasMembers(Object receiver) {
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                return ((SubtractedVariables) receiver) .hasMembers();
            }

            @TruffleBoundary
            @Override
            public Object getMembers(Object receiver, boolean includeInternal) throws UnsupportedMessageException {
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                return ((SubtractedVariables) receiver) .getMembers(includeInternal);
            }

            @TruffleBoundary
            @Override
            public boolean isMemberReadable(Object receiver, String member) {
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                return ((SubtractedVariables) receiver) .isMemberReadable(member);
            }

            @TruffleBoundary
            @Override
            public Object readMember(Object receiver, String member) throws UnsupportedMessageException, UnknownIdentifierException {
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                return ((SubtractedVariables) receiver) .readMember(member);
            }

            @TruffleBoundary
            @Override
            public boolean isMemberModifiable(Object receiver, String member) {
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                return ((SubtractedVariables) receiver) .isMemberModifiable(member);
            }

            @TruffleBoundary
            @Override
            public boolean isMemberInsertable(Object receiver, String member) {
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                return ((SubtractedVariables) receiver) .isMemberInsertable(member);
            }

            @TruffleBoundary
            @Override
            public void writeMember(Object receiver, String member, Object value) throws UnsupportedMessageException, UnknownIdentifierException, UnsupportedTypeException {
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                ((SubtractedVariables) receiver) .writeMember(member, value);
                return;
            }

            @TruffleBoundary
            @Override
            public boolean hasMemberReadSideEffects(Object receiver, String member) {
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                return ((SubtractedVariables) receiver) .hasMemberReadSideEffects(member);
            }

            @TruffleBoundary
            @Override
            public boolean hasMemberWriteSideEffects(Object receiver, String member) {
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                return ((SubtractedVariables) receiver) .hasMemberWriteSideEffects(member);
            }

        }
    }
}