Re: THROW codes and ambiguous conditions

Liste des GroupesRevenir à cl forth 
Sujet : Re: THROW codes and ambiguous conditions
De : sean (at) *nospam* conman.org
Groupes : comp.lang.forth
Date : 04. Jun 2025, 20:25:08
Autres entêtes
Organisation : Conman Laboratories
Message-ID : <101q6ik$10htc$1@dont-email.me>
References : 1 2 3 4 5 6 7
User-Agent : tin/2.4.0-20160823 ("Octomore") (UNIX) (Linux/2.6.9-100.EL.plus.c4smp (i686))
It was thus said that the Great dxf <dxforth@gmail.com> once stated:
 
Perhaps the TC went along with Mitch.  CATCH THROW was his idea and
here's a bunch of codes to go with it.  The extent to which a tiny forth
is going to use ANS is dubious. 

  What constitutes a "tiny Forth"?  Because I just implemented ANS Forth [1]
for the 6809 [2], and I included CATCH and THROW.  It's almost 12K in size
and for the wordsets it implements, it passes the ANS Forth test suite.  I
implemented the EXCEPTION wordset because it seems a 2017 update mandated
it's use.  While I'm not a fan of exceptions, it wasn't hard to implement
and it seemed better thought out than SYNONYM [4].

  -spc

[1] I implemented CORE, CORE-EXT, DOUBLE, DOUBLE-EXT, EXCEPTION,
EXCEPTION-EXT, LOCAL, LOCAL-EXT, TOOLS, some of TOOLS-EXT [3],
SEARCH, SEARCH-EXT, STRING and STRING-EXT.

[2] https://github.com/spc476/ANS-Forth

[3] Words implemented from TOOLS-EXT: AHEAD, BYE, CS-PICK, CS_ROLL, N>R,
NAME>COMPILE, NAME>INTERPRET, NAME>STRING, NR>, STATE,
TRAVERSE-WORDLIST, [DEFINED], [ELSE], [IF], [THEN], [UNDEFINED].

[4] When reading about it [5], I decided I didn't want anything to do
with that quagmire of a word.

[5] https://forth-standard.org/standard/tools/SYNONYM

Date Sujet#  Auteur
31 May 25 * THROW codes and ambiguous conditions37dxf
31 May 25 +* Re: THROW codes and ambiguous conditions7Anton Ertl
31 May 25 i+* Re: THROW codes and ambiguous conditions2dxf
3 Jun21:48 ii`- Re: THROW codes and ambiguous conditions1sjack
31 May 25 i`* Re: THROW codes and ambiguous conditions4Anton Ertl
1 Jun 25 i `* Re: THROW codes and ambiguous conditions3albert
1 Jun 25 i  `* Re: THROW codes and ambiguous conditions2Anton Ertl
1 Jun 25 i   `- Re: THROW codes and ambiguous conditions1albert
1 Jun 25 `* Re: THROW codes and ambiguous conditions29Hans Bezemer
2 Jun 25  +- Re: THROW codes and ambiguous conditions1dxf
2 Jun11:44  `* Re: THROW codes and ambiguous conditions27albert
3 Jun04:23   `* Re: THROW codes and ambiguous conditions26dxf
3 Jun07:10    +* Re: THROW codes and ambiguous conditions22Anton Ertl
4 Jun15:44    i`* Re: THROW codes and ambiguous conditions21dxf
4 Jun20:25    i `* Re: THROW codes and ambiguous conditions20sean
5 Jun07:09    i  +- Re: THROW codes and ambiguous conditions1dxf
5 Jun11:17    i  `* Re: THROW codes and ambiguous conditions18albert
6 Jun01:47    i   +- Re: THROW codes and ambiguous conditions1dxf
6 Jun07:15    i   `* Re: THROW codes and ambiguous conditions16sean
6 Jun12:00    i    `* Re: THROW codes and ambiguous conditions15albert
6 Jun22:06    i     `* Re: THROW codes and ambiguous conditions14sean
7 Jun04:10    i      `* Re: THROW codes and ambiguous conditions13dxf
7 Jun05:26    i       `* Re: THROW codes and ambiguous conditions12sean
7 Jun05:42    i        +- Re: THROW codes and ambiguous conditions1dxf
7 Jun10:43    i        +* Re: THROW codes and ambiguous conditions9Anton Ertl
7 Jun15:06    i        i`* Re: THROW codes and ambiguous conditions8dxf
7 Jun20:58    i        i `* Re: THROW codes and ambiguous conditions7Paul Rubin
8 Jun02:49    i        i  +* Re: THROW codes and ambiguous conditions3Paul Rubin
8 Jun04:36    i        i  i+- Re: THROW codes and ambiguous conditions1dxf
8 Jun09:07    i        i  i`- Re: THROW codes and ambiguous conditions1Anton Ertl
8 Jun03:16    i        i  +- Re: THROW codes and ambiguous conditions1dxf
8 Jun08:56    i        i  `* Re: THROW codes and ambiguous conditions2Anton Ertl
8 Jun15:45    i        i   `- Re: THROW codes and ambiguous conditions1dxf
7 Jun15:41    i        `- Re: THROW codes and ambiguous conditions1LIT
3 Jun09:43    +- Re: THROW codes and ambiguous conditions1John
4 Jun03:03    `* Re: THROW codes and ambiguous conditions2dxf
6 Jun11:47     `- Re: THROW codes and ambiguous conditions1Hans Bezemer

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