Thank you very much. On Monday, March 13, 2017 at 3:53:56 PM UTC+1, rns wrote: > > Hi Daniel, it helps (at times) to work the other way round—code to doc, > e.g., re actions, start from a simple example > <https://github.com/jeffreykegler/Marpa--R2/blob/master/cpan/t/sl_topsyn.t> > and > read the doc > <http://search.cpan.org/~jkegl/Marpa-R2-3.000000/pod/Semantics.pod> to > clarify/elaborate. > > Another way is that Marpa can produce a parse value as an abstract syntax > tree (ast) (article > <http://jeffreykegler.github.io/Ocean-of-Awareness-blog/individual/2013/03/bnf_to_ast.html> > , code <https://gist.github.com/jeffreykegler/4747725>) that you can > traverse recursively, as, e.g., in this simple but functional json parser > <https://github.com/jeffreykegler/Marpa--R2/blob/master/cpan/t/sl_json_ast.t> > . > > > > > > On Mon, Mar 13, 2017 at 4:59 PM, Daniel Blanch <[email protected] > <javascript:>> wrote: > >> Hi Marpers, >> >> I've been using Marpa for a while, it seems promising, but I find it >> difficult to understand how default actions and custom actions work >> together when trying to get a result. Where can I find a tutorial or >> documentation to understand it? How did you learn Marpa? Documentation is a >> bit confusing. >> >> Thank you very much in advance. >> >> Regards. >> >> Daniel. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "marpa parser" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > >
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