00:00:00 --- log: started forth/04.11.06
00:28:21 <Herkamire> herkforth-0.7 is out! http://herkamire.com/jason/herkforth
00:29:28 <Herkamire> also herkforth-bin-0.7 which is a binary, and some scripts for running herkforth on x86 linux (under qemu)
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00:35:57 <qFox> lol. finally found the reason why ; was being revectored to whatever word i was defining next
00:36:07 <qFox> or well, not exactly why that happened, but what caused it
00:36:12 <qFox> malfuntioning [ and ]
00:36:13 <qFox> :p
00:36:33 <qFox> i defined them as : [ state 1 xor state ! ; immediate
00:36:41 <qFox> : ] [ ;
00:36:45 <qFox> immediate
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00:37:04 <qFox> but i still used "real" flags for state, so 0 and -1
00:37:08 <qFox> -1 1 xor makes -2 :p
00:38:48 <qFox> oh, : ] postpone [ ; immediate
00:38:51 <qFox> of course :p
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07:22:37 <Herkamire> herkforth-0.7 is out!
07:22:44 <Herkamire> herkforth-bin-0.7 too! this one has a binary and scripts for running on x86 linux
07:22:49 <Herkamire> herkforth-0.7 is out!
07:22:59 <Herkamire> http://herkamire.com/jason/herkforth
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14:03:57 <slava> hi everybody
14:03:58 <slava> what's new?
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14:11:27 <slava> what is the largest forth program that anybody here has worked on?
14:12:28 <hefner> three lines, but I bet someone can top that
14:13:32 <slava> hefner, if you said that in an APL channel: <hefner> You wrote a whole OS in APL?!
14:14:06 <slava> hefner, process scheduler buggy? just rewrite line 2.
14:15:44 <Sonarman> line 2, character #137362
14:16:08 <hefner> hehe
14:16:20 <Sonarman> change the triangle to a square with an arrow
14:17:26 <slava> lol
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18:06:29 <slava> http://paste.lisp.org/display/3605 <--- stack effect inference algorithm
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18:42:48 <slava> hi TheBlueWizard 
18:42:54 <TheBlueWizard> slava hiya :)
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18:43:05 <slava> TheBlueWizard, http://paste.lisp.org/display/3605 - stack effect inference algorithm
18:43:27 <TheBlueWizard> hmm..will look at it in a moment
18:49:46 * TheBlueWizard looks at the webpage...and wonders whether slava is implementing a Prolog like logic inference engine
18:50:18 <slava> no, its not like prolog
18:51:09 <TheBlueWizard> ok...what does it do then?
18:52:52 <slava> it computes a stack effect of a word.
18:53:02 <slava> eg, the stack effect of : sq dup * ; is ( x -- x )
18:56:03 <TheBlueWizard> ah...impressive, considering that certain Forth words have a "wildcard" behavior (like PICK, ... hmm I can't think of other example where one can accept arbitrary items and produce arbitrary results on the stack)
18:56:41 <slava> factor doesn't have PICK. well it does, but its different ( x y z -- x y z x )
18:57:04 <slava> i raise an error if branches are unbalanced.
18:57:44 * TheBlueWizard nods
18:59:00 <TheBlueWizard> yeah...balancing across the control word boundaries (BEGIN, IF, WHILE, ...) do present a lot of trip ups for coders, both beginners and experienced alike :/
18:59:58 <slava> factor doesn't really have loops. it has recursive words though, and the inferencer can handle recursive words as long as again, the effect is balanced
19:02:17 <TheBlueWizard> oh? hmm .... obviously factor must be more of a stepbrother of Forth, right?
19:03:29 <slava> its the bastard child of lisp and forth.
19:03:53 <TheBlueWizard> ah ok :)
19:07:21 <TheBlueWizard> is the [ ... ] thing a sort of "block statement" in Factor?
19:07:40 <slava> yes. think of it like an anonymous function -- a piece of code you can pass around, and later execute (using the word 'call')
19:08:00 <TheBlueWizard> ah ok...or like Postscript's { ... }
19:08:09 <slava> yes
19:09:03 * TheBlueWizard nods, and notes this construct gives a lot of power and programmability, although at a price of requiring garbage collection
19:09:39 <slava> it doesn't require gc if you don't allow runtime construction of [ ... ] blocks
19:11:49 <TheBlueWizard> yeah....if it can be determined to be statically compilable.  It can get tricky though...
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20:26:55 <TheBlueWizard> gotta go...all bye
20:26:59 <Sonarman> bye
20:27:05 <TheBlueWizard> Sonarman bye
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20:47:08 <rfbot> Type rfbot: <forth code here> (or /msg rfbot <forth code here> to play in private)
20:48:47 <crc> rfbot: .version
20:48:49 <rfbot> crc: RetroForth 7 .5 .1   
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21:01:53 <rfbot> Type rfbot: <forth code here> (or /msg rfbot <forth code here> to play in private)
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21:02:55 <rfbot> Type rfbot: <forth code here> (or /msg rfbot <forth code here> to play in private)
21:06:24 * crc is testing the rfbot code...
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21:06:56 * Sonarman was playing with it
21:07:05 <crc> I know :-)
21:07:10 <crc> it'll be back in a minute
21:07:26 <Sonarman> uh-oh
21:07:30 <Sonarman> you saw what i was doing? :)
21:07:50 <crc> yup
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21:12:19 <rfbot> Type rfbot: <forth code here> (or /msg rfbot <forth code here> to play in private)
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21:12:54 <rfbot> Type rfbot: <forth code here> (or /msg rfbot <forth code here> to play in private)
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21:13:32 <rfbot> Type rfbot: <forth code here> (or /msg rfbot <forth code here> to play in private)
21:17:08 <crc> Sonarman: what safty features?
21:17:21 * crc is watching the logs at the moment
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21:17:55 <Sonarman> the fact that it doesn't crash when i do nasty things indicates certain safeguards :`(
21:18:06 <crc> It *does* crash
21:18:08 <Sonarman> no fun ;)
21:18:10 <Sonarman> it does?
21:18:15 <crc> Yes
21:18:19 <Sonarman> oh
21:18:24 <Sonarman> but it just restarts itself every time
21:18:33 <Sonarman> i mean, things that make the whole bot crash
21:18:37 <crc> Yes. each input runs a new session
21:18:53 <crc> heh, the bot is written in bash and calls 'rf' with your input
21:19:02 <Sonarman> hehe
21:19:11 <Sonarman> with netcat?
21:19:15 <crc> no
21:19:26 <crc> using tcpclient and bash
21:19:30 <Sonarman> cool
21:19:51 * crc started with Herkamire's sifbot and has been changing it slowly into a retroforth bot :-)_
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21:20:52 <rfbot> Type rfbot: <forth code here> (or /msg rfbot <forth code here> to play in private)
21:27:02 <crc> rfbot: 0 0 /
21:27:04 <rfbot> crc: 
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22:09:20 <rfbot> Type rfbot: <forth code here> (or /msg rfbot <forth code here> to play in private)
22:10:30 <futhin> rfbot: 1 1 + .
22:10:50 <crc> rfbot: .version
22:10:56 <futhin> :~(
22:11:05 <crc> rfbot: .version
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22:11:30 <rfbot> Type rfbot: <forth code here> (or /msg rfbot <forth code here> to play in private)
22:11:35 <crc> rfbot: .version
22:11:36 <rfbot> crc: 
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22:12:08 <rfbot> Type rfbot: <forth code here> (or /msg rfbot <forth code here> to play in private)
22:12:12 <crc> rfbot: .version
22:12:13 <rfbot> crc: RetroForth 7 .5 .1   
22:12:20 <crc> ok, it seems to work now
22:14:57 <fridge> crc: does it remember words?
22:15:19 <fridge> rfbot: : hi ." hi there." ;
22:15:20 <rfbot> fridge: there."?  
22:17:53 <crc> rfbot: : hi s" hi there." type cr ;   hi
22:17:55 <rfbot> crc: hi there.  
22:18:50 <crc> rfbot: macro : ." '" parse $, ['] type compile ; forth  : hi ." hi there" cr ;  hi
22:18:52 <rfbot> crc: 
22:19:26 <crc> rfbot: macro : ." '" parse m: $, ['] type compile ; forth  : hi ." hi there" cr ;  hi
22:19:28 <rfbot> crc: hi there  
22:19:42 <crc> it's _very_ slow :-(
22:20:31 * crc begins studying the bot code again to see if he can speed it up
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22:32:19 <rfbot> Type rfbot: <forth code here> (or /msg rfbot <forth code here> to play in private)
22:32:26 <crc> rfbot: .version
22:32:27 <rfbot> crc: RetroForth 7 .5 .1   
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22:58:59 <Sonarman> crc: what's m: do?
23:04:15 <crc> m: compiles a call to a macr
23:04:19 <crc> macro even
23:05:13 <Sonarman> $, is a macro?
23:05:26 <crc> Yes, though that may change soon
23:05:34 <Sonarman> why did you make it one/
23:05:36 <Sonarman> ?
23:05:53 <crc> It was factored out of a macro
23:06:06 <crc> I wasn't sure which way was better to do it
23:06:27 * crc should change it to a normal word though - it'd fit useage patterns better
23:06:36 <Sonarman> ok. was just wondering
23:06:57 <Sonarman> hi solar_angel
23:07:14 <solar_angel> hi Sonarman 
23:08:24 <crc> rfbot: words
23:08:26 <rfbot> crc: .version version# ." " s0 | zt-free zt-make words <truncated>
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23:10:02 <crc> rfbot: words
23:10:04 <rfbot> crc: .version version# ." " s0 | zt-free zt-make words >pad clear del tab space cr << 0; fill alias execute ' columns lines 2swap 2over chars char+ cells cell+ align allot pad */ /mod octal binary decimal hex +! 2drop 2dup tuck over -rot rot here constant variable, variable mod / - negate * + c! c@ ! @ not >> xor or and nip dup drop swap base d0 h0 last cmove reset parse type . macro forth : compile ] (create) create 3, 2, 1, , eval >number find mfind syscall bye key 
23:11:22 <fridge> rfbot: bye
23:11:23 <rfbot> fridge: 
23:11:56 <crc> The entire wordlist should be visible now:
23:12:19 <crc> rfbot: forth words cr cr macro words
23:12:21 <rfbot> crc: .version version# ." " s0 | zt-free zt-make words >pad clear del tab space cr << 0; fill alias execute ' columns lines 2swap 2over chars char+ cells cell+ align allot pad */ /mod octal binary decimal hex +! 2drop 2dup tuck over -rot rot here constant variable, variable mod / - negate * + c! c@ ! @ not >> xor or and nip dup drop swap base d0 h0 last cmove reset parse type . macro forth : compile ] (create) create 3, 2, 1, , eval >number find mfind syscall bye key 
23:12:52 <crc> Hmm, 'cr' doesn't seem to work correctly...
23:13:34 <crc> rfbot: forth words
23:13:36 <rfbot> crc: .version version# ." " s0 | zt-free zt-make words >pad clear del tab space cr << 0; fill alias execute ' columns lines 2swap 2over chars char+ cells cell+ align allot pad */ /mod octal binary decimal hex +! 2drop 2dup tuck over -rot rot here constant variable, variable mod / - negate * + c! c@ ! @ not >> xor or and nip dup drop swap base d0 h0 last cmove reset parse type . macro forth : compile ] (create) create 3, 2, 1, , eval >number find mfind syscall bye key 
23:13:38 <crc> rfbot: macro words
23:13:39 <rfbot> crc: $, s" ['] 1- 1+ | ( then >if <if =if <>if r> >r m: f: until again repeat : literal ; ;; [ does> 
23:17:03 <crc> $, is now a normal word
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23:25:49 <rfbot> Type rfbot: <forth code here> (or /msg rfbot <forth code here> to play in private)
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23:28:44 <rfbot> Type rfbot: <forth code here> (or /msg rfbot <forth code here> to play in private)
23:32:18 <solar_angel> rfbot: 1 1 + .
23:33:10 <crc> rfbot: 1 1 + .
23:33:13 <rfbot> crc: 2 
23:33:20 <solar_angel> oh, i get it
23:33:25 <solar_angel> it doesn't like my color code.  gah.
23:33:39 <crc> it's a simple bot
23:33:43 <solar_angel> fair enough
23:33:53 * crc is trying to figure out how to get it to work on multiple channels...
23:41:25 <Sonarman> good night
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23:59:59 --- log: ended forth/04.11.06