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Re: Test of COMPILE,

From mhx@iae.nl (Marcel Hendrix)
Subject Re: Test of COMPILE,
Newsgroups comp.lang.forth
Message-ID <64879308928436@frunobulax.edu> (permalink)
Date 2011-11-27 10:48 +0200
References <7d4fec76-623b-4386-be42-701992e3e05a@d17g2000yql.googlegroups.com>
Organization SunSITE.dk - Supporting Open source

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Mark Wills <forthfreak@gmail.com> writes Re: Test of COMPILE,

> On Nov 27, 8:09 am, Gerry <ge...@jackson9000.fsnet.co.uk> wrote:
[..]
>> Forth systems requiring stack depth to be the same across a colon
>> definition has long been a source of irritation when writing portable
>> programs in ANS Forth. For example to pass data into and out of a
>> colon definition requires a trick such as PASS

>> : pass >r ' execute r> ; immediate

>> (if I've remembered it correctly)

>> Usage e.g. 3 pass : foo ... ;

>> Gerry

> Agreed. WRT to catching unbalanced constructs such as IF...THEN etc, I
> simply implemented reference counting.  Since IF (for example) is
> immediate it simply increments an 'IF' counter (a dedicated cell in
> memory, not stored on the stack). THEN simply decrements the same
> counter. The word ; contains checks the various reference counters. If
> a counter > 0 then the appropriate error condition is reported e.g.
> "Error:Unbalanced IF/THEN". It's probably not fool proof, but it does
> mean that the stack is yours before, during, and after compilation!

And where do you temporarily store the patch addresses needed by THEN ?

-marcel

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Thread

Test of COMPILE, Krishna Myneni <krishna.myneni@ccreweb.org> - 2011-11-26 08:20 -0800
  Re: Test of COMPILE, Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-11-26 11:36 -0600
    Re: Test of COMPILE, Krishna Myneni <krishna.myneni@ccreweb.org> - 2011-11-26 09:44 -0800
    Re: Test of COMPILE, Krishna Myneni <krishna.myneni@ccreweb.org> - 2011-11-26 12:14 -0800
      Re: Test of COMPILE, Alex McDonald <blog@rivadpm.com> - 2011-11-26 15:08 -0800
        Re: Test of COMPILE, Krishna Myneni <krishna.myneni@ccreweb.org> - 2011-11-26 16:03 -0800
          Re: Test of COMPILE, Krishna Myneni <krishna.myneni@ccreweb.org> - 2011-11-26 16:12 -0800
          Re: Test of COMPILE, "Elizabeth D. Rather" <erather@forth.com> - 2011-11-26 17:10 -1000
            Re: Test of COMPILE, Krishna Myneni <krishna.myneni@ccreweb.org> - 2011-11-26 19:33 -0800
              Re: Test of COMPILE, "Elizabeth D. Rather" <erather@forth.com> - 2011-11-26 18:28 -1000
              Re: Test of COMPILE, anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2011-11-27 14:02 +0000
                Re: Test of COMPILE, Krishna Myneni <krishna.myneni@ccreweb.org> - 2011-11-27 08:42 -0800
              Re: Test of COMPILE, BruceMcF <agila61@netscape.net> - 2011-11-27 09:08 -0800
          Re: Test of COMPILE, Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-11-27 04:21 -0600
  Re: Test of COMPILE, mhx@iae.nl (Marcel Hendrix) - 2011-11-26 18:41 +0200
    Re: Test of COMPILE, Krishna Myneni <krishna.myneni@ccreweb.org> - 2011-11-26 09:51 -0800
      Re: Test of COMPILE, Bernd Paysan <bernd.paysan@gmx.de> - 2011-11-26 21:31 +0100
        Re: Test of COMPILE, Krishna Myneni <krishna.myneni@ccreweb.org> - 2011-11-26 14:09 -0800
      Re: Test of COMPILE, anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2011-11-27 14:17 +0000
    Re: Test of COMPILE, Alex McDonald <blog@rivadpm.com> - 2011-11-26 10:01 -0800
      Re: Test of COMPILE, mhx@iae.nl (Marcel Hendrix) - 2011-11-26 20:25 +0200
        Re: Test of COMPILE, Alex McDonald <blog@rivadpm.com> - 2011-11-26 15:04 -0800
      Re: Test of COMPILE, Krishna Myneni <krishna.myneni@ccreweb.org> - 2011-11-26 11:23 -0800
        Re: Test of COMPILE, Alex McDonald <blog@rivadpm.com> - 2011-11-26 14:48 -0800
          Re: Test of COMPILE, Krishna Myneni <krishna.myneni@ccreweb.org> - 2011-11-26 16:00 -0800
            Re: Test of COMPILE, Coos Haak <chforth@hccnet.nl> - 2011-11-27 02:09 +0100
              Re: Test of COMPILE, Krishna Myneni <krishna.myneni@ccreweb.org> - 2011-11-26 18:11 -0800
                Re: Test of COMPILE, Gerry <gerry@jackson9000.fsnet.co.uk> - 2011-11-27 00:09 -0800
                Re: Test of COMPILE, Mark Wills <forthfreak@gmail.com> - 2011-11-27 00:47 -0800
                Re: Test of COMPILE, mhx@iae.nl (Marcel Hendrix) - 2011-11-27 10:48 +0200
                Re: Test of COMPILE, Mark Wills <forthfreak@gmail.com> - 2011-11-27 05:24 -0800
                Re: Test of COMPILE, Albert van der Horst <albert@spenarnc.xs4all.nl> - 2011-11-27 21:08 +0000
                Re: Test of COMPILE, Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2011-11-27 21:18 +0000
                Re: Test of COMPILE, BruceMcF <agila61@netscape.net> - 2011-11-27 16:58 -0800
                Re: Test of COMPILE, anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2011-11-28 12:03 +0000
                Re: Test of COMPILE, Krishna Myneni <krishna.myneni@ccreweb.org> - 2011-11-27 15:00 -0800
                Re: Test of COMPILE, Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2011-11-28 11:39 +0000
                Re: Test of COMPILE, Alex McDonald <blog@rivadpm.com> - 2011-11-28 04:52 -0800
                Re: Test of COMPILE, Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2011-11-28 18:05 +0000
                Re: Test of COMPILE, Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-11-28 12:45 -0600
                Re: Test of COMPILE, Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2011-11-28 20:17 +0000
                Re: Test of COMPILE, Alex McDonald <blog@rivadpm.com> - 2011-11-28 14:22 -0800
                Re: Test of COMPILE, Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2011-11-29 08:08 +0000
                Re: Test of COMPILE, Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-11-29 04:49 -0600
                Re: Test of COMPILE, Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2011-11-29 16:00 +0000
                Re: Test of COMPILE, Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-11-30 10:45 -0600
                Re: Test of COMPILE, Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2011-12-01 08:58 +0000
                Re: Test of COMPILE, BruceMcF <agila61@netscape.net> - 2011-12-01 09:46 -0800
                Re: Test of COMPILE, Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-12-01 12:00 -0600
                Re: Test of COMPILE, BruceMcF <agila61@netscape.net> - 2011-11-28 12:29 -0800
                Re: Test of COMPILE, Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-11-29 04:53 -0600
                Re: Test of COMPILE, anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2011-11-29 11:04 +0000
                Re: Test of COMPILE, Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-11-29 05:42 -0600
                Re: Test of COMPILE, anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2011-11-29 15:46 +0000
                Re: Test of COMPILE, Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-11-29 09:59 -0600
                Re: Test of COMPILE, "Elizabeth D. Rather" <erather@forth.com> - 2011-11-29 08:55 -1000
                Re: Test of COMPILE, "Rod Pemberton" <do_not_have@noavailemail.cmm> - 2011-11-30 05:58 -0500
                Re: Test of COMPILE, Alex McDonald <blog@rivadpm.com> - 2011-11-30 03:07 -0800
                Re: Test of COMPILE, BruceMcF <agila61@netscape.net> - 2011-11-30 07:54 -0800
                Re: Test of COMPILE, Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2011-11-29 15:50 +0000
                Re: Test of COMPILE, Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-11-29 10:01 -0600
                Re: Test of COMPILE, Tarkin <tarkin000@gmail.com> - 2011-11-29 13:07 -0800
                Re: Test of COMPILE, BruceMcF <agila61@netscape.net> - 2011-11-29 17:04 -0800
                Re: Test of COMPILE, "Elizabeth D. Rather" <erather@forth.com> - 2011-11-29 15:52 -1000
                Re: Test of COMPILE, BruceMcF <agila61@netscape.net> - 2011-11-29 21:29 -0800
                Re: Test of COMPILE, "Elizabeth D. Rather" <erather@forth.com> - 2011-11-29 19:52 -1000
                Re: Test of COMPILE, BruceMcF <agila61@netscape.net> - 2011-11-30 07:49 -0800
                Re: Test of COMPILE, Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-11-30 10:19 -0600
                Re: Test of COMPILE, BruceMcF <agila61@netscape.net> - 2011-11-30 12:19 -0800
                Re: Test of COMPILE, Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-11-30 14:31 -0600
                Re: Test of COMPILE, BruceMcF <agila61@netscape.net> - 2011-12-01 10:36 -0800
                Re: Test of COMPILE, Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-12-01 13:08 -0600
                Re: Test of COMPILE, BruceMcF <agila61@netscape.net> - 2011-12-01 22:04 -0800
                Re: Test of COMPILE, Krishna Myneni <krishna.myneni@ccreweb.org> - 2011-11-28 05:05 -0800
                Re: Test of COMPILE, Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-11-28 06:25 -0600
              Re: Test of COMPILE, mhx@iae.nl (Marcel Hendrix) - 2011-11-27 08:01 +0200
                Re: Test of COMPILE, Coos Haak <chforth@hccnet.nl> - 2011-11-27 14:09 +0100

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