Re: RFD: Quotations V2 update

From	"Alex McDonald" <blog@rivadpm.com>
Newsgroups	comp.lang.forth
Subject	Re: RFD: Quotations V2 update
Date	2015-08-06 14:16 +0100
Organization	A noiseless patient Spider
Message-ID	<mpvml2$5qg$1@dont-email.me> (permalink)
References	(2 earlier) <mprds9$pp7$1@dont-email.me> <mpssge$30m$1@dont-email.me> <mpt07i$hpm$1@dont-email.me> <2015Aug5.144641@mips.complang.tuwien.ac.at> <mpu8n6$nr9$1@dont-email.me>

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on 06/08/2015 01:12:51, Bernd Paysan wrote:
> Anton Ertl wrote:
>> When I made the suggestion, I thought that it is possible, but on more
>> thought, I don't think it is, because the compilation semantics of [:
>> ... ;] appends the xt to the current definition, and we would not want
>> that as interpretation semantics; instead, we want the interpretation
>> semantics to push the xt on the stack.  The solution in other such
>> cases is to use a recognizer, but I am not sure if that can work here;
>> the recognizer would have to call the text interpreter and consume
>> several lines.
> 
> No, that's too ugly for a recognizer... a recognizer should not do
> REFILL.

Agreed.

> 
> [: ;] for both interpretation and compilation have two parts: [: needs
> to be in some way state-aware (dual-xt, state-smart, whatever), and
> push a flag in wrap-sys so that ;] knows the state before [:, and acts
> accordingly.

That state-ness of [: is the issue. 

> 
> Unlike :noname ; IMHO an interpretative [: ;] should revert the
> previous definition to be current.  I.e.
> 
>: bla do something ;
> [: compile something ;] set-compiler
> 
> should assign the quotation to bla, not to itself, which :noname ... ;
> should do.
> 

AFAIK there are no words in the standard that act like SET-COMPILE (i.e.
know the last word defined) with the exception of IMMEDIATE. Yes, I know
a number of compilers support such a feature, but that doesn't make it
desirable.

Thread

RFD: Quotations V2 update "Alex McDonald" <blog@rivadpm.com> - 2015-08-04 11:05 +0100
  Re: RFD: Quotations V2 update Mark Wills <markwills1970@gmail.com> - 2015-08-04 04:09 -0700
    Re: RFD: Quotations V2 update Lars Brinkhoff <lars.spam@nocrew.org> - 2015-08-04 13:35 +0200
      Re: RFD: Quotations V2 update "Alex McDonald" <blog@rivadpm.com> - 2015-08-04 13:54 +0100
        Re: RFD: Quotations V2 update "Alex McDonald" <blog@rivadpm.com> - 2015-08-04 14:01 +0100
    Re: RFD: Quotations V2 update "Alex McDonald" <blog@rivadpm.com> - 2015-08-04 13:38 +0100
      Re: RFD: Quotations V2 update Mark Wills <markwills1970@gmail.com> - 2015-08-04 07:37 -0700
  Re: RFD: Quotations V2 update anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2015-08-04 14:23 +0000
    Re: RFD: Quotations V2 update "Alex McDonald" <blog@rivadpm.com> - 2015-08-04 16:09 +0100
      Re: RFD: Quotations V2 update anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2015-08-04 15:38 +0000
        Re: RFD: Quotations V2 update Bernd Paysan <bernd.paysan@gmx.de> - 2015-08-04 22:30 +0200
          Re: RFD: Quotations V2 update "Alex McDonald" <blog@rivadpm.com> - 2015-08-04 23:09 +0100
            Re: RFD: Quotations V2 update Bernd Paysan <bernd.paysan@gmx.de> - 2015-08-05 01:45 +0200
              Re: RFD: Quotations V2 update anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2015-08-05 07:23 +0000
                Re: RFD: Quotations V2 update "Alex McDonald" <blog@rivadpm.com> - 2015-08-05 09:55 +0100
          Re: RFD: Quotations V2 update Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2015-08-05 12:03 +0100
            Re: RFD: Quotations V2 update "Alex McDonald" <blog@rivadpm.com> - 2015-08-05 13:50 +0100
              Re: RFD: Quotations V2 update anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2015-08-05 16:07 +0000
              Re: RFD: Quotations V2 update Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2015-08-05 20:23 +0100
  Re: RFD: Quotations V2 update Bernd Paysan <bernd.paysan@gmx.de> - 2015-08-04 22:00 +0200
    Re: RFD: Quotations V2 update "Alex McDonald" <blog@rivadpm.com> - 2015-08-04 21:07 +0100
  Re: RFD: Quotations V2 update Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2015-08-04 21:53 +0100
    Re: RFD: Quotations V2 update "Alex McDonald" <blog@rivadpm.com> - 2015-08-04 23:22 +0100
      Re: RFD: Quotations V2 update Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2015-08-05 12:38 +0100
        Re: RFD: Quotations V2 update "Alex McDonald" <blog@rivadpm.com> - 2015-08-05 13:41 +0100
          Re: RFD: Quotations V2 update anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2015-08-05 12:46 +0000
            Re: RFD: Quotations V2 update Bernd Paysan <bernd.paysan@gmx.de> - 2015-08-06 02:12 +0200
              Re: RFD: Quotations V2 update "Alex McDonald" <blog@rivadpm.com> - 2015-08-06 14:16 +0100
              Re: RFD: Quotations V2 update anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2015-08-06 13:46 +0000
    Re: RFD: Quotations V2 update anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2015-08-05 08:15 +0000
      Re: RFD: Quotations V2 update Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2015-08-05 20:31 +0100
        Re: RFD: Quotations V2 update peter.m.falth@gmail.com - 2015-08-05 14:41 -0700
          Re: RFD: Quotations V2 update "Elizabeth D. Rather" <erather@forth.com> - 2015-08-05 18:39 -1000
            Re: RFD: Quotations V2 update peter.m.falth@gmail.com - 2015-08-05 23:22 -0700
        Re: RFD: Quotations V2 update anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2015-08-06 13:19 +0000
          Re: RFD: Quotations V2 update Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2015-08-07 22:28 +0100
            Re: RFD: Quotations V2 update Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2015-08-07 22:34 +0100
              Re: RFD: Quotations V2 update anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2015-08-08 15:53 +0000
                Re: RFD: Quotations V2 update Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2015-08-11 21:16 +0100
            Re: RFD: Quotations V2 update anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2015-08-08 15:39 +0000
              Re: RFD: Quotations V2 update Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2015-08-10 12:55 +0100
                Re: RFD: Quotations V2 update anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2015-08-10 12:08 +0000
  Re: RFD: Quotations V2 update hughaguilar96@gmail.com - 2015-08-04 18:09 -0700
    Re: RFD: Quotations V2 update "Alex McDonald" <blog@rivadpm.com> - 2015-08-05 09:22 +0100
    Re: RFD: Quotations V2 update "Alex McDonald" <blog@rivadpm.com> - 2015-08-05 09:53 +0100

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