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Truffle is a multi-language framework for executing dynamic languages
that achieves high performance when combined with Graal.
package com.oracle.truffle.api.interop.java;
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;
abstract class NullCheckNodeSub extends com.oracle.truffle.api.interop.java.JavaObjectMessageResolution.NullCheckNode {
public abstract Object executeWithTarget(VirtualFrame frame, Object o0);
@Specialization
protected Object accessWithTarget(com.oracle.truffle.api.interop.java.JavaObject object) {
return access(object);
}
private final static class IS_NULLRootNode extends RootNode {
protected IS_NULLRootNode(Class extends TruffleLanguage>> language) {
super(language, null, null);
}
@Child private NullCheckNodeSub node = com.oracle.truffle.api.interop.java.NullCheckNodeSubNodeGen.create();
@Override
public Object execute(VirtualFrame frame) {
Object receiver = ForeignAccess.getReceiver(frame);
try {
return node.executeWithTarget(frame, receiver);
} catch (UnsupportedSpecializationException e) {
throw UnsupportedTypeException.raise(e.getSuppliedValues());
}
}
}
public static RootNode createRoot(Class extends TruffleLanguage>> language) {
return new IS_NULLRootNode(language);
}
}
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