Excerpts from Paul Steckler's message of Thu Jan 29 05:36:44 +0100 2009:
> Hi Nicolas,
>
> > However I can guess in your question that you don't really want to change
> > the
> syntax of the binary operator "&", but rather to change it's meaning. In
> camlp4 there is a much more sane and easier way to do this using filters.
> By the way there is an example in the camlp4 sources that does exactly this.
>
> Yes, this seems to work -- but it would be simpler, in fact, if I could just
> use
> a rule in my grammar extension.
> Do you know if there's a way to debug grammar extensions?
I don't think there is a nice way do to it.
> Maybe I need to
> DELETE a rule from the original grammar, though it's not clear to me which
> rule that is.
Look at Camlp4Parsers/Camlp4OCamlRevisedParser.ml
The rule is:
infixop5:
[ [ x = [ "&" | "&&" ] -> <:expr< $lid:x$ >> ] ]
;
--
Nicolas Pouillard
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