Saxon

SourceForge user: mhkay

The new 9.4 implementation of FLWOR expressions does not allow fine-grained tracing/monitoring at the clause level, which is problem for tools that implement a debugger. A patch (rather extensive) to fix this deficiency is being placed in Subversion. The patch introduces a new kind of FLWOR clause, the TraceClause, and a new method on the CodeInjector allowing TraceClauses to be injectied into a FLWOR pipeline; the TraceClause notifies the TraceListener of each tuple at run time, whether the pipeline is run in pull or push mode.