@Override
	public boolean requestCompletion(@Nonnull KeyEvent event) {
		// Recompute line context to ensure its up-to-date.
		recomputeLineContext();

		// Skip if no text context or empty text context.
		if (context instanceof EmptyContext)
			return false;

		// Complete if the completion popup is showing.
		return completionPopup.isShowing() && completeFromContext(context.partialMatchedText(), completionPopup::doComplete);
	}
Remove AST to work off of.
recaf-ui/src/main/java/software/coley/recaf/ui/control/richtext/suggest/AssemblerTabCompleter.java