NQPDynamicGetNode.java

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package org.perl6.nqp.truffle.nodes.variables;

import com.oracle.truffle.api.frame.FrameSlot;
import com.oracle.truffle.api.frame.FrameUtil;
import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.api.frame.Frame;
import org.perl6.nqp.truffle.nodes.NQPNode;
import org.perl6.nqp.truffle.nodes.NQPObjNode;
import org.perl6.nqp.truffle.runtime.DynamicContext;
import org.perl6.nqp.dsl.Deserializer;

public class NQPDynamicGetNode extends NQPObjNode {
    private final FrameSlot contextSlot;
    private final String name;

    @Deserializer("dynamic-get")
    public NQPDynamicGetNode(FrameSlot contextSlot, String name) {
        this.contextSlot = contextSlot;
        this.name = name;
    }

    @Override
    public Object execute(VirtualFrame frame) {
        DynamicContext context = (DynamicContext) FrameUtil.getObjectSafe(frame, contextSlot);
        return context.lookup(name);
    }
}