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Implementation of the Truffle NFI using libffi.
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// CheckStyle: start generated
package com.oracle.truffle.nfi.backend.libffi;

import com.oracle.truffle.api.TruffleLanguage;
import com.oracle.truffle.api.CompilerDirectives.CompilationFinal;
import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
import com.oracle.truffle.api.dsl.GeneratedBy;
import com.oracle.truffle.api.dsl.InlineSupport.InlineTarget;
import com.oracle.truffle.api.dsl.InlineSupport.StateField;
import com.oracle.truffle.api.dsl.InlineSupport.UnsafeAccessedField;
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.library.DynamicDispatchLibrary;
import com.oracle.truffle.api.library.LibraryExport;
import com.oracle.truffle.api.library.LibraryFactory;
import com.oracle.truffle.api.nodes.DenyReplace;
import com.oracle.truffle.api.nodes.Node;
import com.oracle.truffle.api.nodes.UnadoptableNode;
import com.oracle.truffle.api.profiles.InlinedBranchProfile;
import java.lang.invoke.MethodHandles;

@GeneratedBy(LibFFILibrary.class)
@SuppressWarnings("javadoc")
final class LibFFILibraryGen {

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

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

    private LibFFILibraryGen() {
    }

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

        private InteropLibraryExports() {
            super(InteropLibrary.class, LibFFILibrary.class, false, false, 0);
        }

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

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

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

            private static final StateField STATE_0_ReadMemberNode__UPDATER = StateField.create(MethodHandles.lookup(), "state_0_");
            /**
             * Source Info:              *   Specialization: {@link LibFFILibrary#readMember(LibFFILibrary, String, InlinedBranchProfile, Node)}
             *   Parameter: {@link InlinedBranchProfile} exception
             *   Inline method: {@link InlinedBranchProfile#inline}
             */
            private static final InlinedBranchProfile INLINED_EXCEPTION_ = InlinedBranchProfile.inline(InlineTarget.create(InlinedBranchProfile.class, STATE_0_ReadMemberNode__UPDATER.subUpdater(0, 1)));

            /**
             * State Info:              *   0: InlinedCache
             *        Specialization: {@link LibFFILibrary#readMember}
             *        Parameter: {@link InlinedBranchProfile} exception
             *        Inline method: {@link InlinedBranchProfile#inline}
             * 
             */
            @CompilationFinal @UnsafeAccessedField private int state_0_;

            protected Cached() {
            }

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

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

            @Override
            public long asPointer(Object receiver) throws UnsupportedMessageException {
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                assert assertAdopted();
                return (((LibFFILibrary) receiver)).asPointer();
            }

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

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

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

            /**
             * Debug Info:              *   Specialization {@link LibFFILibrary#readMember(LibFFILibrary, String, InlinedBranchProfile, Node)}
             *     Activation probability: 1.00000
             *     With/without class size: 24/1 bytes
             * 
             */
            @Override
            public Object readMember(Object arg0Value_, String arg1Value) throws UnsupportedMessageException, UnknownIdentifierException {
                assert this.accepts(arg0Value_) : "Invalid library usage. Library does not accept given receiver.";
                assert assertAdopted();
                LibFFILibrary arg0Value = ((LibFFILibrary) arg0Value_);
                {
                    Node node__ = (this);
                    return arg0Value.readMember(arg1Value, INLINED_EXCEPTION_, node__);
                }
            }

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

            @Override
            public Class> getLanguage(Object receiver) throws UnsupportedMessageException {
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                assert assertAdopted();
                return (((LibFFILibrary) receiver)).getLanguage();
            }

            @TruffleBoundary
            @Override
            public Object toDisplayString(Object receiver, boolean allowSideEffects) {
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                assert assertAdopted();
                return (((LibFFILibrary) receiver)).toDisplayString(allowSideEffects);
            }

        }
        @GeneratedBy(LibFFILibrary.class)
        @DenyReplace
        private static final class Uncached extends InteropLibrary implements UnadoptableNode {

            protected Uncached() {
            }

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

            @TruffleBoundary
            @Override
            public boolean isPointer(Object receiver) {
                // declared: true
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                return LibFFILibrary.isPointer(((LibFFILibrary) receiver) );
            }

            @TruffleBoundary
            @Override
            public long asPointer(Object receiver) throws UnsupportedMessageException {
                // declared: true
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                return ((LibFFILibrary) receiver) .asPointer();
            }

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

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

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

            @TruffleBoundary
            @Override
            public Object readMember(Object arg0Value_, String arg1Value) throws UnknownIdentifierException {
                // declared: true
                assert this.accepts(arg0Value_) : "Invalid library usage. Library does not accept given receiver.";
                LibFFILibrary arg0Value = ((LibFFILibrary) arg0Value_);
                return arg0Value.readMember(arg1Value, (InlinedBranchProfile.getUncached()), (this));
            }

            @TruffleBoundary
            @Override
            public boolean hasLanguage(Object receiver) {
                // declared: true
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                return ((LibFFILibrary) receiver) .hasLanguage();
            }

            @TruffleBoundary
            @Override
            public Class> getLanguage(Object receiver) throws UnsupportedMessageException {
                // declared: true
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                return ((LibFFILibrary) receiver) .getLanguage();
            }

            @TruffleBoundary
            @Override
            public Object toDisplayString(Object receiver, boolean allowSideEffects) {
                // declared: true
                assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
                return ((LibFFILibrary) receiver) .toDisplayString(allowSideEffects);
            }

        }
    }
}