/**
* Add a record to the current trace corresponding to the start of the evaluation of the given
* node. If the trace is null, then do nothing.
*/
protected void _traceEnter(ASTPtRootNode node) {
if (_trace != null) {
for (int i = 0; i < _depth; i++) {
_trace.append(" ");
}
_trace.append("Entering node " + node.getClass().getName() + "\n");
_depth++;
}
}
/**
* Add a record to the current trace corresponding to the completion of the evaluation of the
* given node. If the trace is null, then do nothing.
*/
protected void _traceLeave(ASTPtRootNode node) {
if (_trace != null) {
_depth--;
for (int i = 0; i < _depth; i++) {
_trace.append(" ");
}
_trace.append(
"Node " + node.getClass().getName() + " evaluated to " + _evaluatedChildToken + "\n");
}
}
