On Fri, 24 Jan 2003, Jean-Christophe Filliatre wrote:

>  > What are the advantages/disadvantages of using camlp4 vs. a combination of
>  > ocamllex and ocamlyacc?
>
> For  having  used both  of  them intensively,  I  see  (at least)  the
> following advantages of camlp4:
>
>  - it comes with a lexer, saving you the burden of writing one
>    (this lexer conforms to ocaml lexical conventions; for prototype
>    implementations, it is usually fine)
>
>  - it offers high level grammar constructors such as LIST0, LIST1,
>    OPT, ... It results in cleaner and more concise grammars.

I can add:
   - it provides automatic error messages, explaining which rule failed,
     and what was expected

and a disadvantage:
   - no detection of 'conflicts' in grammars


-- Alain
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