AntlrWorks do not want to debug C-target code

I am trying to remote debug a grammar that has C as target. AntlrWorks connects to the parser fine but then it just runs it to the end. I cannot really step it nor break.

I am using AntlrWorks 1.4.2. Parser w开发者_如何学JAVAas generated with Antlr 3.2.

Any advice appreciated.

Did any body have success on debug C-target code with antlrworks?