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From: Han-Wen Nienhuys  <hanwen@xs4all.nl>
Cc: guile-devel@gnu.org
Subject: Re: typechecking
Date: Tue, 11 May 2004 00:57:35 +0200	[thread overview]
Message-ID: <16544.2271.454230.492574@localhost.localdomain> (raw)
In-Reply-To: <87brkwc6f7.fsf@zagadka.ping.de>

mvo@zagadka.de writes:
> 
> in eval.c might be hard to fix, tho.
> 
> > Also, I think that DEBUG_TYPING_STRICTNESS==0 should go too. The code
> > contained a thinko (leading to loads of compile errors).  This
> > suggests that the code has never been tested since its inception a few
> > years ago.
> 
> Can you elaborate?  Guile itself compiles fine with STRICTNESS==0.
> Indeed, this strictness level offers no type checking.

1.6.4 has

  #   define SCM_PACK(x) ((scm_t_bits) (x))

I believe this should be

  #define SCM_PACK(x) ((SCM) (x))

if anything.

> When I say "type checking" what really mean is that the compiler
> checks whether the user only uses SCM values in the way we want it to,
> like, no direct arithmetic, no direct use in conditional tests, only

What's the rationale for not allowing direct use in conditional tests?


-- 

 Han-Wen Nienhuys   |   hanwen@xs4all.nl   |   http://www.xs4all.nl/~hanwen 



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  parent reply	other threads:[~2004-05-10 22:57 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-03-28 13:04 typechecking Han-Wen Nienhuys
2004-05-10 21:34 ` typechecking Marius Vollmer
2004-05-10 21:47   ` typechecking Dale P. Smith
2004-06-10 16:16     ` typechecking Marius Vollmer
2004-05-10 22:57   ` Han-Wen Nienhuys [this message]
2004-05-15  9:16     ` typechecking Dirk Herrmann
2004-05-16 15:11       ` typechecking Han-Wen Nienhuys
2004-05-17 18:31         ` typechecking Marius Vollmer
2004-05-26 17:40       ` typechecking Han-Wen Nienhuys
2004-05-30  8:40         ` typechecking Dirk Herrmann
2004-05-30  8:28           ` typechecking Han-Wen Nienhuys
2004-05-31  7:05             ` typechecking Dirk Herrmann
2004-06-10 16:22             ` typechecking Marius Vollmer
2004-05-30 14:00         ` typechecking Andy Wingo

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