[erlang-patches] Forbid local fun names in Core Erlang guards
Anthony Ramine
n.oxyde@REDACTED
Wed Jan 16 14:29:41 CET 2013
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
>>>>
>
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