[erlang-patches] Forbid local fun names in Core Erlang guards
Fredrik
fredrik@REDACTED
Tue Jan 15 11:40:38 CET 2013
Hello Anthony ;)
It is now in the 'master-pu' branch.
Thanks,
BR Fredrik Gustafsson
Erlang OTP Team
On 01/15/2013 11:28 AM, Anthony Ramine wrote:
> Repost on only erlang-patches so that Fredrik's MUA see it;)
>
> -- Anthony Ramine Début du message réexpédié :
>> > De : Anthony Ramine<n.oxyde@REDACTED>
>> > Objet : Rép : Local function names in Core Erlang guards
>> > Date : 11 janvier 2013 17:12:37 HNEC
>> > À : erlang-bugs Bugs<erlang-bugs@REDACTED>, erlang patches<erlang-patches@REDACTED>
>> > Cc : Bjorn Gustavsson<bjorn@REDACTED>
>> >
>> > Hi,
>> >
>> > I wrote a really small patch to forbid local fun variables in Core Erlang guards.
>> > There is no test case as there is no test suite for core_lint.
>> >
>> > I know the code freeze for R16 is soon but this is really a very small thing.
>> >
>> > git fetchhttps://github.com/nox/otp.git forbid-locals-in-core-guards
>> >
>> > https://github.com/nox/otp/compare/erlang:master...forbid-locals-in-core-guards
>> > https://github.com/nox/otp/compare/erlang:master...forbid-locals-in-core-guards.patch
>> >
>> > Regards,
>> >
>> > --
>> > Anthony Ramine
>> >
>> > Le 19 nov. 2012 à 11:02, Anthony Ramine a écrit :
>> >
>>> >> Hi,
>>> >>
>>> >> While patching the compiler to allow substitutions of variables which values are
>>> >> local function names [1], I discovered that core_lint doesn't forbid them in guards,
>>> >> even though that makes the compiler passes further down the road generate badly-formed
>>> >> BEAM code.
>>> >>
>>> >> Is that a bug in core_lint or a bug in the BEAM code generation? Should local function
>>> >> names be allowed in guards?
>>> >>
>>> >> If it is a bug in core_lint, I can make a patch for that; if it is a bug in the BEAM
>>> >> code generation I would love to fix it and remove the code I wrote to avoid the
>>> >> substitution in guards... but I lack knowledge about the BEAM innards.
>>> >>
>>> >> Regards,
>>> >>
>>> >> [1]http://erlang.org/pipermail/erlang-patches/2012-November/003137.html
>>> >>
>>> >> --
>>> >> Anthony Ramine
>>> >>
>> >
More information about the erlang-patches
mailing list