[Caml-list] changing the filename in errors reported by ocamlyacc and ocamllex

[Caml-list] changing the filename in errors reported by ocamlyacc and ocamllex

[James Leifer]

Hello.

Anyone know how to get ocamlyacc and ocamllex to report errors in a
filename different from the one that they are processing?

The reason I ask is that I'm *generating* foo.mll and foo.mly from
another set of files (every problem in computer science being
susceptible to an added level of indirection 8-)).  I'd like the get
the errors reported in the source rather than generated file.  Of
course my Makefile *can* pipe the stdout and stderr of ocamllex and
yacc through a perl script that renames the filenames in the error
reports, but that's obscene.

Ideas?

-James

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Re: [Caml-list] changing the filename in errors reported by ocamlyacc and ocamllex

[Remi Vanicat]

James Leifer <James.Leifer@inria.fr> writes:

> Hello.
>
> Anyone know how to get ocamlyacc and ocamllex to report errors in a
> filename different from the one that they are processing?
>
> The reason I ask is that I'm *generating* foo.mll and foo.mly from
> another set of files (every problem in computer science being
> susceptible to an added level of indirection 8-)).  I'd like the get
> the errors reported in the source rather than generated file.  Of
> course my Makefile *can* pipe the stdout and stderr of ocamllex and
> yacc through a perl script that renames the filenames in the error
> reports, but that's obscene.
>
> Ideas?

The caml team have just added support of #line directive for ocamllex
and ocamlyacc (just as in this week). I believe that if you don't want
to use the cvs version, there is no many solution (perhaps only to
extract just the patch for ocamllex/ocamlyacc).

-- 
Rémi Vanicat

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Re: [Caml-list] changing the filename in errors reported by ocamlyacc and ocamllex

[James Leifer]

Remi Vanicat <remi.vanicat@laposte.net> writes:

<snip>

> The caml team have just added support of #line directive for ocamllex
> and ocamlyacc (just as in this week).

Thanks for the pointer! 

-James

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