Examples with EventChainNode com.oracle.truffle.api.instrumentation.ProbeNode.EventChainNode used on opensource projects

Example 1 with EventChainNode

use of com.oracle.truffle.api.instrumentation.ProbeNode.EventChainNode in project graal by oracle.

the class InstrumentationHandler method createBindings.

EventChainNode createBindings(VirtualFrame frame, ProbeNode probeNodeImpl) {
    EventContext context = probeNodeImpl.getContext();
    SourceSection sourceSection = context.getInstrumentedSourceSection();
    if (TRACE) {
        trace("BEGIN: Lazy update for %s%n", sourceSection);
    }
    RootNode rootNode;
    Node parentInstrumentable = null;
    SourceSection parentInstrumentableSourceSection = null;
    Node parentNode = probeNodeImpl.getParent();
    while (parentNode != null && parentNode.getParent() != null) {
        if (parentInstrumentable == null) {
            SourceSection parentSourceSection = parentNode.getSourceSection();
            if (isInstrumentableNode(parentNode, parentSourceSection)) {
                parentInstrumentable = parentNode;
                parentInstrumentableSourceSection = parentSourceSection;
            }
        }
        parentNode = parentNode.getParent();
    }
    if (parentNode instanceof RootNode) {
        rootNode = (RootNode) parentNode;
    } else {
        throw new AssertionError();
    }
    Node instrumentedNode = probeNodeImpl.getContext().getInstrumentedNode();
    Set<Class<?>> providedTags = getProvidedTags(rootNode);
    EventChainNode root = null;
    EventChainNode parent = null;
    for (EventBinding.Source<?> binding : executionBindings) {
        if (binding.isChildInstrumentedFull(providedTags, rootNode, parentInstrumentable, parentInstrumentableSourceSection, instrumentedNode, sourceSection)) {
            if (TRACE) {
                trace("  Found input value binding %s, %s%n", binding.getInputFilter(), System.identityHashCode(binding));
            }
            EventChainNode next = probeNodeImpl.createParentEventChainCallback(frame, binding, rootNode, providedTags);
            if (next == null) {
                // inconsistent AST
                continue;
            }
            if (root == null) {
                root = next;
            } else {
                assert parent != null;
                parent.setNext(next);
            }
            parent = next;
        }
        if (binding.isInstrumentedFull(providedTags, rootNode, instrumentedNode, sourceSection)) {
            if (TRACE) {
                trace("  Found binding %s, %s%n", binding.getFilter(), binding.getElement());
            }
            EventChainNode next = probeNodeImpl.createEventChainCallback(frame, binding, rootNode, providedTags, instrumentedNode, sourceSection);
            if (next == null) {
                continue;
            }
            if (root == null) {
                root = next;
            } else {
                assert parent != null;
                parent.setNext(next);
            }
            parent = next;
        }
    }
    if (TRACE) {
        trace("END: Lazy updated for %s%n", sourceSection);
    }
    return root;
}