com.oracle.truffle.sl.nodes.SLStatementNodeWrapper Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of truffle-sl Show documentation

Truffle SL is an example language implemented using the Truffle API.

There is a newer version: 1.0.0-rc7

// CheckStyle: start generated
package com.oracle.truffle.sl.nodes;

import com.oracle.truffle.api.dsl.GeneratedBy;
import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.api.instrumentation.InstrumentableFactory;
import com.oracle.truffle.api.instrumentation.ProbeNode;
import com.oracle.truffle.api.nodes.NodeCost;

@GeneratedBy(SLStatementNode.class)
public final class SLStatementNodeWrapper implements InstrumentableFactory {

    @Override
    public WrapperNode createWrapper(SLStatementNode delegateNode, ProbeNode probeNode) {
        return new SLStatementNodeWrapper0(delegateNode, probeNode);
    }

    @GeneratedBy(SLStatementNode.class)
    private static final class SLStatementNodeWrapper0 extends SLStatementNode implements WrapperNode {

        @Child private SLStatementNode delegateNode;
        @Child private ProbeNode probeNode;

        private SLStatementNodeWrapper0(SLStatementNode delegateNode, ProbeNode probeNode) {
            this.delegateNode = delegateNode;
            this.probeNode = probeNode;
        }

        @Override
        public SLStatementNode getDelegateNode() {
            return delegateNode;
        }

        @Override
        public ProbeNode getProbeNode() {
            return probeNode;
        }

        @Override
        public NodeCost getCost() {
            return NodeCost.NONE;
        }

        @Override
        public void executeVoid(VirtualFrame frame) {
            for (;;) {
                boolean wasOnReturnExecuted = false;
                try {
                    probeNode.onEnter(frame);
                    delegateNode.executeVoid(frame);
                    wasOnReturnExecuted = true;
                    probeNode.onReturnValue(frame, null);
                    break;
                } catch (Throwable t) {
                    Object result = probeNode.onReturnExceptionalOrUnwind(frame, t, wasOnReturnExecuted);
                    if (result == ProbeNode.UNWIND_ACTION_REENTER) {
                        continue;
                    } else if (result != null) {
                        break;
                    }
                    throw t;
                }
            }
        }

    }
}