[erlang-patches] Forbid local fun names in Core Erlang guards
Anthony Ramine
n.oxyde@REDACTED
Wed Jan 16 14:47:10 CET 2013
Oops.
I was simply trying to replicate this in my rm-reverse-eta-conversion branch.
Will investigate on the proper branch now.
Regards,
--
Anthony Ramine
Le 16 janv. 2013 à 14:29, Anthony Ramine a écrit :
> Thanks for the details.
>
> I'll rebase against current master and try again, line 428 of compilation_SUITE
> can't fail that way in my current branch.
>
> --
> Anthony Ramine
>
> Le 16 janv. 2013 à 14:24, Fredrik a écrit :
>
>> It was not the bootstrap, I think you have to take a look at those testcases,
>> Here's the reason's:
>> compilation_SUITE:self_compile_1
>> failed on line 428
>> Reason: suite_failed
>>
>>
>>
>>
>>
>>
>>
>> inline_SUITE:try_inline failed on line 117
>> Reason: {badmatch,error}
>>
>>
>>
>>
>>
>>
>>
>> inline_SUITE:try_inline
>> failed on line 117
>> Reason: {badmatch,error}
>>
>>
>> BR Fredrik Gustafsson
>> Erlang OTP Team
>> On 01/16/2013 12:02 PM, Anthony Ramine wrote:
>>> I can't reproduce any of these failures.
>>>
>>> Could I have more informations about how they failed?
>>>
>>> My wild guess is that it is related (maybe) to the bootstrap compiler,
>>> but I'm probably wrong.
>>>
>>> Björn, any idea?
>>>
>>> Regards,
>>>
>>>
>>> --
>>> Anthony Ramine
>>>
>>> Le 16 janv. 2013 à 11:46, Fredrik a écrit :
>>>
>>>
>>>>>
>>>> Hello Anthony,
>>>>
>>>>>
>>>> Your patch is failing the following testsuites and testcases:
>>>>
>>>>>
>>>> compilation_SUITE : self_compile
>>>>
>>>>>
>>>> inline_SUITE : decode1
>>>>
>>>>>
>>>> inline_SUITE : pseudoknot
>>>>
>>>>>
>>>>>
>>>> Please correct and give me notice,
>>>>
>>>>>
>>>>>
>>>> BR Fredrik Gustafsson
>>>>
>>>>>
>>>> Erlang OTP Team
>>>>
>>>>>
>>>> On 01/15/2013 11:40 AM, Fredrik wrote:
>>>>
>>>>>>> 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
>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>
>>>>>>>
>>>>> _______________________________________________
>>>>>
>>>>>>>
>>>>> erlang-patches mailing list
>>>>>
>>>>>>> erlang-patches@REDACTED
>>>>>>> http://erlang.org/mailman/listinfo/erlang-patches
>>>>>
>>
>
More information about the erlang-patches
mailing list