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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.polyglot;
import com.oracle.truffle.api.CallTarget;
import com.oracle.truffle.api.Truffle;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.dsl.UnsupportedSpecializationException;
import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.api.interop.ForeignAccess;
import com.oracle.truffle.api.interop.ForeignAccess.Factory;
import com.oracle.truffle.api.interop.ForeignAccess.StandardFactory;
import com.oracle.truffle.api.interop.Message;
import com.oracle.truffle.api.interop.TruffleObject;
import com.oracle.truffle.api.interop.UnsupportedTypeException;
import com.oracle.truffle.api.nodes.RootNode;
import java.util.List;
/**
* This foreign access factory is generated by {@link com.oracle.truffle.polyglot.HostFunctionMR}.
* You are supposed to use it for the receiver object {@link com.oracle.truffle.polyglot.HostFunction}.
*/
final class HostFunctionMRForeign implements StandardFactory, Factory {
public static final ForeignAccess ACCESS = ForeignAccess.create(new HostFunctionMRForeign(), null);
@Deprecated public static ForeignAccess createAccess() { return ForeignAccess.create(new HostFunctionMRForeign(), null); }
private HostFunctionMRForeign() { }
@Override
public boolean canHandle(TruffleObject obj) {
return com.oracle.truffle.polyglot.HostFunction.isInstance(obj);
}
@Override
public CallTarget accessIsNull() {
return Truffle.getRuntime().createCallTarget(RootNode.createConstantNode(false));
}
@Override
public CallTarget accessIsExecutable() {
return Truffle.getRuntime().createCallTarget(IsExecutableSubNode.createRoot());
}
@Override
public CallTarget accessIsInstantiable() {
return Truffle.getRuntime().createCallTarget(RootNode.createConstantNode(false));
}
@Override
public CallTarget accessIsBoxed() {
return Truffle.getRuntime().createCallTarget(RootNode.createConstantNode(false));
}
@Override
public CallTarget accessHasKeys() {
return Truffle.getRuntime().createCallTarget(RootNode.createConstantNode(false));
}
@Override
public CallTarget accessHasSize() {
return Truffle.getRuntime().createCallTarget(RootNode.createConstantNode(false));
}
@Override
public CallTarget accessGetSize() {
return null;
}
@Override
public CallTarget accessUnbox() {
return null;
}
@Override
public CallTarget accessRead() {
return null;
}
@Override
public CallTarget accessWrite() {
return null;
}
@Override
public CallTarget accessRemove() {
return null;
}
@Override
public CallTarget accessExecute(int argumentsLength) {
return com.oracle.truffle.api.Truffle.getRuntime().createCallTarget(ExecuteSubNode.createRoot());
}
@Override
public CallTarget accessInvoke(int argumentsLength) {
return null;
}
@Override
public CallTarget accessNew(int argumentsLength) {
return null;
}
@Override
public CallTarget accessKeyInfo() {
return null;
}
@Override
public CallTarget accessKeys() {
return null;
}
@Override
public CallTarget accessIsPointer() {
return Truffle.getRuntime().createCallTarget(RootNode.createConstantNode(false));
}
@Override
public CallTarget accessAsPointer() {
return null;
}
@Override
public CallTarget accessToNative() {
return null;
}
@Override
public CallTarget accessMessage(Message unknown) {
return null;
}
/**
* This message resolution is generated by {@link com.oracle.truffle.polyglot.HostFunctionMR.ExecuteNode}.
*/
abstract static class ExecuteSubNode extends com.oracle.truffle.polyglot.HostFunctionMR.ExecuteNode {
public abstract Object executeWithTarget(VirtualFrame frame, Object o0, Object o1);
@Specialization
protected Object accessWithTarget(com.oracle.truffle.polyglot.HostFunction function, java.lang.Object[] args) {
return access(function, args);
}
private static final class EXECUTERootNode extends RootNode {
protected EXECUTERootNode() {
super(null);
}
@Child private ExecuteSubNode node = com.oracle.truffle.polyglot.HostFunctionMRForeignFactory.ExecuteSubNodeGen.create();
@Override
public String getName() {
return "Interop::EXECUTE::com.oracle.truffle.polyglot.HostFunction";
}
@Override
public Object execute(VirtualFrame frame) {
try {
Object receiver = ForeignAccess.getReceiver(frame);
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