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 * (a) the Software, and
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 * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
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 * Software and the Larger Work(s), and to sublicense the foregoing rights on
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package com.oracle.graal.python.builtins.objects.cext.hpy;

import com.oracle.graal.python.builtins.objects.cext.common.CExtAsPythonObjectNode;
import com.oracle.graal.python.builtins.objects.cext.common.CExtToJavaNode;
import com.oracle.graal.python.builtins.objects.cext.common.CExtToNativeNode;
import com.oracle.graal.python.builtins.objects.cext.common.ConversionNodeSupplier;
import com.oracle.graal.python.builtins.objects.cext.hpy.GraalHPyNodesFactory.HPyAsHandleNodeGen;
import com.oracle.graal.python.builtins.objects.cext.hpy.GraalHPyNodesFactory.HPyAsNativeInt64NodeGen;
import com.oracle.graal.python.builtins.objects.cext.hpy.GraalHPyNodesFactory.HPyAsPythonObjectNodeGen;
import com.oracle.truffle.api.CompilerDirectives;

public abstract class GraalHPyConversionNodeSupplier {

    /**
     * A conversion node supplier for converting Python objects to native {@code HPy} compatible
     * values and also the opposite direction, for converting native {@code HPy} values to Python
     * objects.
     */
    public static final ConversionNodeSupplier HANDLE = new ConversionNodeSupplier() {

        @Override
        public CExtToNativeNode createToNativeNode() {
            return HPyAsHandleNodeGen.create();
        }

        @Override
        public CExtToNativeNode getUncachedToNativeNode() {
            return HPyAsHandleNodeGen.getUncached();
        }

        @Override
        public CExtAsPythonObjectNode createAsPythonObjectNode() {
            return HPyAsPythonObjectNodeGen.create();
        }

        @Override
        public CExtAsPythonObjectNode getUncachedAsPythonObjectNode() {
            return HPyAsPythonObjectNodeGen.getUncached();
        }

        @Override
        public CExtToJavaNode createToJavaNode() {
            return HPyAsPythonObjectNodeGen.create();
        }

        @Override
        public CExtToJavaNode getUncachedToJavaNode() {
            return HPyAsPythonObjectNodeGen.getUncached();
        }
    };

    /**
     * A conversion node supplier only for converting to native {@code int64_t} compatible values.
     * The opposite direction (converting native values to Python objects) is not implemented.
     */
    public static final ConversionNodeSupplier TO_INT64 = new ConversionNodeSupplier() {

        @Override
        public CExtToNativeNode createToNativeNode() {
            return HPyAsNativeInt64NodeGen.create();
        }

        @Override
        public CExtToNativeNode getUncachedToNativeNode() {
            return HPyAsNativeInt64NodeGen.getUncached();
        }

        @Override
        public CExtAsPythonObjectNode createAsPythonObjectNode() {
            throw CompilerDirectives.shouldNotReachHere("unsupported");
        }

        @Override
        public CExtAsPythonObjectNode getUncachedAsPythonObjectNode() {
            throw CompilerDirectives.shouldNotReachHere("unsupported");
        }

        @Override
        public CExtToJavaNode createToJavaNode() {
            throw CompilerDirectives.shouldNotReachHere("unsupported");
        }

        @Override
        public CExtToJavaNode getUncachedToJavaNode() {
            throw CompilerDirectives.shouldNotReachHere("unsupported");
        }
    };
}
