Re: VFX error?

From	"Rod Pemberton" <buzzoff@nonamewhichexists.cmm>
Newsgroups	comp.lang.forth
Subject	Re: VFX error?
Date	2014-10-17 22:04 -0400
Organization	Aioe.org NNTP Server
Message-ID	<op.xnwlecpfmk81un@localhost> (permalink)
References	<5b5849fc-0165-4eef-8ddb-833862c3adde@googlegroups.com> <2014Oct10.093331@mips.complang.tuwien.ac.at>

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On Fri, 10 Oct 2014 03:33:31 -0400, Anton Ertl  
<anton@mips.complang.tuwien.ac.at> wrote:

> jzakiya@gmail.com writes:
>> For some reason when I do this:
>>
>> hex
>>
>> create xxx 11 c, 34 c, FE c, .... CD c, ....
>>
>> the compiler throws an error. To get around it I can do this:
>>
>> create xxx 11 c, 34 c, FE c, .... 0CD c, ....
>>
>> but that's such a cludge hack.  Why does this happen?
>
> As someone else explained, there is a word CD in VFX, and that
> collides.  Prepending a 0 to a hex number is traditional Forth
> practice to avoid that problem, and used to be recommended for all hex
> numbers, whether there is a known collision or not.  These days you
> can write $cd (no need to use HEX), and I recommend using that.

The best solution is to require the system to not have any
constants defined which could conflict.  It should use some
other syntax which has no potential for conflicts.  E.g.,
con_CD or hex_CD etc.


Rod Pemberton

Thread

VFX error? jzakiya@gmail.com - 2014-10-09 21:47 -0700
  Re: VFX error? Michael Barry <barrym95838@yahoo.com> - 2014-10-09 22:08 -0700
  Re: VFX error? Bruno Gauthier <bgauthier@free.fr> - 2014-10-10 07:17 +0200
  Re: VFX error? anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-10-10 07:33 +0000
    Re: VFX error? albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-10-10 10:10 +0000
      Re: VFX error? anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-10-10 10:39 +0000
    Re: VFX error? "Rod Pemberton" <buzzoff@nonamewhichexists.cmm> - 2014-10-17 22:04 -0400
  Re: VFX error? Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-10-10 03:06 -0500
  Re: VFX error? francois.ganza@wanadoo.fr - 2014-10-10 01:47 -0700
    Re: VFX error? anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-10-10 10:36 +0000
    Re: VFX error? stephenXXX@mpeforth.com (Stephen Pelc) - 2014-10-10 13:34 +0000
      Re: VFX error? albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-10-10 15:09 +0000
  Re: VFX error? stephenXXX@mpeforth.com (Stephen Pelc) - 2014-10-10 13:26 +0000
    Re: VFX error? jzakiya@gmail.com - 2014-10-10 12:41 -0700
    Re: VFX error? "Rod Pemberton" <buzzoff@nonamewhichexists.cmm> - 2014-10-17 22:09 -0400
    Re: VFX error? Just Ian <superian@gmail.com> - 2014-10-22 08:25 -0700
      Re: VFX error? Coos Haak <chforth@hccnet.nl> - 2014-10-22 21:14 +0200
      Re: VFX error? albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-10-22 20:40 +0000
      Re: VFX error? hughaguilar96@yahoo.com - 2014-10-22 20:14 -0700
  Re: VFX error? francois.ganza@wanadoo.fr - 2014-10-11 15:31 -0700
  Re: VFX error? Julian Fondren <julian.fondren@gmail.com> - 2014-10-11 21:04 -0700

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