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Re: Non-caching by execform, which re-executes PaintProc every time

From Martin Leese <please@see.Web.for.e-mail.INVALID>
Newsgroups comp.lang.postscript
Subject Re: Non-caching by execform, which re-executes PaintProc every time
Date 2016-03-03 10:28 -0700
Organization A noiseless patient Spider
Message-ID <nb9s2i$laf$1@dont-email.me> (permalink)
References <90e022fa-590c-4248-b58d-fd3cc02dd22f@googlegroups.com> <nb79m8$kbb$1@dont-email.me> <731cd9ad-4346-411d-94cc-2e118900882f@googlegroups.com>

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jdaw1 wrote:
>>  From the PostScript Landuage reference Manual:
>> "The form's definition does not refer to
>>   variable information in virtual memory, and
>>   its execution has no side effects in VM."
>>
>> I have never used a form, but your use of the
>> variable /FormNum seems to break this rule.
>> Test this by dumping /FormNum.
> 
> But the code with FormNum works!

The code with FormNum *sometimes* works.  It
is up to you, but I would still try dumping
it to see what happens.

-- 
Regards,
Martin Leese
E-mail: please@see.Web.for.e-mail.INVALID
Web: http://members.tripod.com/martin_leese/

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Non-caching by execform, which re-executes PaintProc every time jdaw1 <jdawiseman@gmail.com> - 2016-03-02 03:47 -0800
  Re: Non-caching by execform, which re-executes PaintProc every time Martin Leese <please@see.Web.for.e-mail.INVALID> - 2016-03-02 11:02 -0700
    Re: Non-caching by execform, which re-executes PaintProc every time jdaw1 <jdawiseman@gmail.com> - 2016-03-02 15:24 -0800
      Re: Non-caching by execform, which re-executes PaintProc every time Martin Leese <please@see.Web.for.e-mail.INVALID> - 2016-03-03 10:28 -0700
        Re: Non-caching by execform, which re-executes PaintProc every time jdaw1 <jdawiseman@gmail.com> - 2016-03-03 15:15 -0800
          Re: Non-caching by execform, which re-executes PaintProc every time Chris Liddell <news@shadesoft.net> - 2016-03-08 07:46 +0000
            Re: Non-caching by execform, which re-executes PaintProc every time jdaw1 <jdawiseman@gmail.com> - 2016-03-09 05:25 -0800
              Re: Non-caching by execform, which re-executes PaintProc every time Chris Liddell <news@shadesoft.net> - 2016-03-10 08:59 +0000
        Re: Non-caching by execform, which re-executes PaintProc every time sjprouty3765@gmail.com - 2016-03-11 13:02 -0800
          Re: Non-caching by execform, which re-executes PaintProc every time jdaw1 <jdawiseman@gmail.com> - 2016-03-11 14:06 -0800
            Re: Non-caching by execform, which re-executes PaintProc every time jdaw1 <jdawiseman@gmail.com> - 2016-03-12 03:43 -0800

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