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Re: Why do Fdefvar not protect its argument and temporaries with GCPRO?
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From: |
Stefan Monnier |
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Subject: |
Re: Why do Fdefvar not protect its argument and temporaries with GCPRO? |
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Date: |
Wed, 19 Nov 2014 08:51:45 -0500 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) |
> I think a few of them do too much GCPRO, since arguments of lisp
> functions are protected by the caller (and conses are not relocated).
Maybe I'm misunderstanding what you're saying, but to clarify:
The calling convention we use does not require the caller to
gcprotect the arguments, instead it's the callee who should protect its
own arguments, if and when needed.
>> Is this a bug?
> In this case, I think it is.
Agreed.
Stefan