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Merge branch 'master' of git://factorcode.org/git/factor

db4
Slava Pestov 2008-08-14 23:37:31 -05:00
parent b06fe6fe9a a84404bc0d
commit 1c2f76f964
39 changed files with 794 additions and 147 deletions
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18
basis/unix/bsd/bsd.factor
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@ -7,13 +7,16 @@ IN: unix
: MAXPATHLEN 1024 ; inline
: O_RDONLY HEX: 0000 ; inline
: O_WRONLY HEX: 0001 ; inline
: O_RDWR HEX: 0002 ; inline
: O_APPEND HEX: 0008 ; inline
: O_CREAT HEX: 0200 ; inline
: O_TRUNC HEX: 0400 ; inline
: O_EXCL HEX: 0800 ; inline
: O_RDONLY HEX: 0000 ; inline
: O_WRONLY HEX: 0001 ; inline
: O_RDWR HEX: 0002 ; inline
: O_NONBLOCK HEX: 0004 ; inline
: O_APPEND HEX: 0008 ; inline
: O_CREAT HEX: 0200 ; inline
: O_TRUNC HEX: 0400 ; inline
: O_EXCL HEX: 0800 ; inline
: O_NOCTTY HEX: 20000 ; inline
: O_NDELAY O_NONBLOCK ; inline
: SOL_SOCKET HEX: ffff ; inline
: SO_REUSEADDR HEX: 4 ; inline
@ -24,7 +27,6 @@ IN: unix
: F_SETFD 2 ; inline
: F_SETFL 4 ; inline
: FD_CLOEXEC 1 ; inline
: O_NONBLOCK 4 ; inline
C-STRUCT: sockaddr-in
{ "uchar" "len" }

18
basis/unix/linux/linux.factor
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@ -7,13 +7,16 @@ USING: alien.syntax ;
: MAXPATHLEN 1024 ; inline
: O_RDONLY HEX: 0000 ; inline
: O_WRONLY HEX: 0001 ; inline
: O_RDWR HEX: 0002 ; inline
: O_CREAT HEX: 0040 ; inline
: O_EXCL HEX: 0080 ; inline
: O_TRUNC HEX: 0200 ; inline
: O_APPEND HEX: 0400 ; inline
: O_RDONLY HEX: 0000 ; inline
: O_WRONLY HEX: 0001 ; inline
: O_RDWR HEX: 0002 ; inline
: O_CREAT HEX: 0040 ; inline
: O_EXCL HEX: 0080 ; inline
: O_NOCTTY HEX: 0100 ; inline
: O_TRUNC HEX: 0200 ; inline
: O_APPEND HEX: 0400 ; inline
: O_NONBLOCK HEX: 0800 ; inline
: O_NDELAY O_NONBLOCK ; inline
: SOL_SOCKET 1 ; inline
@ -28,7 +31,6 @@ USING: alien.syntax ;
: FD_CLOEXEC 1 ; inline
: F_SETFL 4 ; inline
: O_NONBLOCK HEX: 800 ; inline
C-STRUCT: addrinfo
{ "int" "flags" }

1
basis/unix/unix.factor
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@ -192,4 +192,3 @@ FUNCTION: ssize_t write ( int fd, void* buf, size_t nbytes ) ;
{ [ os bsd? ] [ "unix.bsd" require ] }
{ [ os solaris? ] [ "unix.solaris" require ] }
} cond

4
extra/24-game/24-game-docs.factor
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@ -31,12 +31,12 @@ HELP: 24-able ( -- vector )
"just using the provided commands and the 4 numbers. The Following are the "
"provided commands: "
{ $link + } ", " { $link - } ", " { $link * } ", "
{ $link / } ", and " { $link swap } "."
{ $link / } ", " { $link swap } ", and " { $link rot } "."
}
{ $examples
{ $example
"USE: 24-game"
"24-able vector-24-able?"
"24-able vector-24-able? ."
"t"
}
{ $notes { $link 24-able? } " is used in " { $link 24-able } "." }

3
extra/24-game/24-game.factor
View File

@ -59,4 +59,5 @@ DEFER: check-status
: 24-able? ( vector -- t/f ) [ makes-24? ] with-datastack first ;
: 24-able ( -- vector ) build-quad dup 24-able? [ drop build-quad ] unless ;
: set-commands ( -- ) { + - * / rot swap q } commands set ;
: play-game ( -- ) set-commands 24-able repeat ;
: play-game ( -- ) set-commands 24-able repeat ;
MAIN: play-game

63
extra/animations/animations-docs.factor
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@ -1,34 +1,65 @@
USING: help.markup help.syntax ;
IN: extra.animations
IN: animations
HELP: animate ( quot duration -- )
{ $values
{ "quot" "a quot which uses " { $link progress } }
{ "duration" "a duration of time" }
}
{ $description { $link animate } " calls " { $link reset-progress } " , then continously calls the given quot until the duration of time has elapsed. The quot should use " { $link progress } " at least once." }
{ $example
"USING: extra.animations calendar threads prettyprint ;"
"[ 1 sleep progress unparse write \" ms elapsed\" print ] 1/20 seconds animate ;"
"46 ms elapsed\n17 ms elapsed"
{ $description
{ $link animate } " calls " { $link reset-progress }
" , then continously calls the given quot until the"
" duration of time has elapsed. The quot should use "
{ $link progress } " at least once."
}
{ $examples
{ $unchecked-example
"USING: animations calendar threads prettyprint ;"
"[ 1 sleep progress unparse write \" ms elapsed\" print ] "
"1/20 seconds animate ;"
"46 ms elapsed\n17 ms elapsed"
}
{ $notes "The amount of time elapsed between these iterations will very." }
} ;
HELP: reset-progress ( -- )
{ $description "Initiates the timer. Call this before using a loop which makes use of " { $link progress } "." } ;
{ $description
"Initiates the timer. Call this before using "
"a loop which makes use of " { $link progress } "."
} ;
HELP: progress ( -- time )
{ $values { "time" "an integer" } }
{ $description "Gives the time elapsed since the last time this word was called, in milliseconds." }
{ $example
"USING: extra.animations threads prettyprint ;"
"reset-progress 3 [ 1 sleep progress unparse write \"ms elapsed\" print ] times ;"
"31 ms elapsed\n18 ms elapsed\n16 ms elapsed"
{ $description
"Gives the time elapsed since the last time"
" this word was called, in milliseconds."
}
{ $examples
{ $unchecked-example
"USING: animations threads prettyprint ;"
"reset-progress 3 "
"[ 1 sleep progress unparse write \"ms elapsed\" print ] "
"times ;"
"31 ms elapsed\n18 ms elapsed\n16 ms elapsed"
}
{ $notes "The amount of time elapsed between these iterations will very." }
} ;
ARTICLE: "extra.animations" "Animations"
"Provides a lightweight framework for properly simulating continuous functions of real time. This framework helps one create animations that use rates which do not change across platforms. The speed of the computer should correlate with the smoothness of the animation, not the speed of the animation!"
ARTICLE: "animations" "Animations"
"Provides a lightweight framework for properly simulating continuous"
" functions of real time. This framework helps one create animations "
"that use rates which do not change across platforms. The speed of the "
"computer should correlate with the smoothness of the animation, not "
"the speed of the animation!"
{ $subsection animate }
{ $subsection reset-progress }
{ $subsection progress }
{ $link progress } " specifically provides the length of time since " { $link reset-progress } " was called, and also calls " { $link reset-progress } " as its last action. This can be directly used when one's quote runs for a specific number of iterations, instead of a length of time. If the animation is like most, and is expected to run for a specific length of time, " { $link animate } " should be used." ;
ABOUT: "extra.animations"
! A little talk about when to use progress and when to use animate
{ $link progress } " specifically provides the length of time since "
{ $link reset-progress } " was called, and also calls "
{ $link reset-progress } " as its last action. This can be directly "
"used when one's quote runs for a specific number of iterations, instead "
"of a length of time. If the animation is like most, and is expected to "
"run for a specific length of time, " { $link animate } " should be used." ;
ABOUT: "animations"

11
extra/animations/animations.factor
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@ -2,11 +2,16 @@
USING: kernel shuffle system locals
prettyprint math io namespaces threads calendar ;
IN: extra.animations
IN: animations
SYMBOL: last-loop
SYMBOL: sleep-period
: reset-progress ( -- ) millis last-loop set ;
! : my-progress ( -- progress ) millis
: progress ( -- progress ) millis last-loop get - reset-progress ;
: progress-peek ( -- progress ) millis last-loop get - ;
: set-end ( duration -- end-time ) dt>milliseconds millis + ;
: loop ( quot end -- ) dup millis > [ [ dup call ] dip loop ] [ 2drop ] if ;
: animate ( quot duration -- ) reset-progress set-end loop ;
: loop ( quot end -- ) dup millis > [ [ dup call ] dip loop ] [ 2drop ] if ; inline
: animate ( quot duration -- ) reset-progress set-end loop ; inline
: sample ( revs quot -- avg ) reset-progress dupd times progress swap / ; inline

2
extra/animations/authors.txt
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@ -1 +1 @@
Reginald Keith Ford II
Reginald Ford

6
extra/html/parser/analyzer/analyzer.factor
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@ -140,6 +140,12 @@ TUPLE: link attributes clickable ;
: href-contains? ( str tag -- ? )
attributes>> "href" swap at* [ subseq? ] [ 2drop f ] if ;
: find-hrefs ( vector -- vector' )
find-links
[ [
[ name>> "a" = ]
[ attributes>> "href" swap key? ] bi and ] filter
] map sift [ [ attributes>> "href" swap at ] map ] map concat ;
: find-forms ( vector -- vector' )
"form" over find-opening-tags-by-name

10
extra/html/parser/parser.factor
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@ -1,4 +1,4 @@
USING: arrays html.parser.utils hashtables io kernel
USING: accessors arrays html.parser.utils hashtables io kernel
namespaces prettyprint quotations
sequences splitting state-parser strings unicode.categories unicode.case ;
IN: html.parser
@ -23,8 +23,10 @@ SYMBOL: tagstack
] if ;
: <tag> ( name attributes closing? -- tag )
{ set-tag-name set-tag-attributes set-tag-closing? }
tag construct ;
tag new
swap >>closing?
swap >>attributes
swap >>name ;
: make-tag ( str attribs -- tag )
>r [ closing-tag? ] keep "/" trim1 r> rot <tag> ;
@ -75,7 +77,7 @@ SYMBOL: tagstack
read-quote
] [
read-token
] if ;
] if [ blank? ] trim ;
: read-comment ( -- )
"-->" take-string* make-comment-tag push-tag ;

10
extra/html/parser/printer/printer.factor
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@ -83,13 +83,6 @@ M: src-printer print-closing-named-tag ( tag -- )
SYMBOL: tab-width
SYMBOL: #indentations
: html-pp ( vector -- )
[
0 #indentations set
2 tab-width set
] with-scope ;
: print-tabs ( -- )
tab-width get #indentations get * CHAR: \s <repetition> write ;
@ -125,3 +118,6 @@ M: printer print-tag ( tag -- )
! H{ { table-gap { 10 10 } } } [
! [ [ [ [ . ] with-cell ] each ] with-row ] each
! ] tabular-output
! : html-pp ( vector -- )
! [ 0 #indentations set 2 tab-width set ] with-scope ;

4
extra/irc/client/client-tests.factor
View File

@ -49,10 +49,10 @@ M: mb-writer stream-nl ( mb-writer -- )
{ "someuser" } [ "someuser!n=user@some.where" parse-name ] unit-test
{ "#factortest" } [ ":someuser!n=user@some.where PRIVMSG #factortest :hi"
parse-irc-line irc-message-origin ] unit-test
parse-irc-line forward-name ] unit-test
{ "someuser" } [ ":someuser!n=user@some.where PRIVMSG factorbot :hi"
parse-irc-line irc-message-origin ] unit-test
parse-irc-line forward-name ] unit-test
] with-irc
! Test login and nickname set

96
extra/irc/client/client.factor
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@ -3,7 +3,7 @@
USING: concurrency.mailboxes kernel io.sockets io.encodings.8-bit calendar
accessors destructors namespaces io assocs arrays qualified fry
continuations threads strings classes combinators splitting hashtables
ascii irc.messages irc.messages.private ;
ascii irc.messages ;
RENAME: join sequences => sjoin
EXCLUDE: sequences => join ;
IN: irc.client
@ -67,7 +67,6 @@ SINGLETON: irc-listener-end ! send to a listener to stop its execution
SINGLETON: irc-end ! sent when the client isn't running anymore
SINGLETON: irc-disconnected ! sent when connection is lost
SINGLETON: irc-connected ! sent when connection is established
UNION: irc-broadcasted-message irc-end irc-disconnected irc-connected ;
: terminate-irc ( irc-client -- )
[ is-running>> ] keep and [
@ -122,6 +121,9 @@ M: irc-listener to-listener ( message irc-listener -- )
[ dup irc-channel-listener? [ participants>> key? ] [ 2drop f ] if ]
with filter ;
: to-listeners-with-participant ( message nickname -- )
listeners-with-participant [ to-listener ] with each ;
: remove-participant-from-all ( nick -- )
dup listeners-with-participant [ (remove-participant) ] with each ;
@ -145,7 +147,7 @@ M: irc-listener to-listener ( message irc-listener -- )
DEFER: me?
: maybe-forward-join ( join -- )
[ prefix>> parse-name me? ] keep and
[ irc-message-sender me? ] keep and
[ irc> join-messages>> mailbox-put ] when* ;
! ======================================
@ -177,60 +179,64 @@ DEFER: me?
: me? ( string -- ? )
irc> profile>> nickname>> = ;
: irc-message-origin ( irc-message -- name )
dup name>> me? [ prefix>> parse-name ] [ name>> ] if ;
GENERIC: forward-name ( irc-message -- name )
M: join forward-name ( join -- name ) trailing>> ;
M: part forward-name ( part -- name ) channel>> ;
M: kick forward-name ( kick -- name ) channel>> ;
M: mode forward-name ( mode -- name ) channel>> ;
M: privmsg forward-name ( privmsg -- name )
dup name>> me? [ irc-message-sender ] [ name>> ] if ;
: broadcast-message-to-listeners ( message -- )
irc> listeners>> values [ to-listener ] with each ;
UNION: single-forward join part kick mode privmsg ;
UNION: multiple-forward nick quit ;
UNION: broadcast-forward irc-end irc-disconnected irc-connected ;
GENERIC: forward-message ( irc-message -- )
GENERIC: handle-incoming-irc ( irc-message -- )
M: irc-message handle-incoming-irc ( irc-message -- )
M: irc-message forward-message ( irc-message -- )
+server-listener+ listener> [ to-listener ] [ drop ] if* ;
M: logged-in handle-incoming-irc ( logged-in -- )
M: single-forward forward-message ( forward-single -- )
dup forward-name to-listener ;
M: multiple-forward forward-message ( multiple-forward -- )
dup irc-message-sender to-listeners-with-participant ;
M: join forward-message ( join -- )
[ maybe-forward-join ] [ call-next-method ] bi ;
M: broadcast-forward forward-message ( irc-broadcasted-message -- )
irc> listeners>> values [ to-listener ] with each ;
GENERIC: process-message ( irc-message -- )
M: object process-message ( object -- )
drop ;
M: logged-in process-message ( logged-in -- )
name>> irc> profile>> (>>nickname) ;
M: ping handle-incoming-irc ( ping -- )
M: ping process-message ( ping -- )
trailing>> /PONG ;
M: nick-in-use handle-incoming-irc ( nick-in-use -- )
M: nick-in-use process-message ( nick-in-use -- )
name>> "_" append /NICK ;
M: privmsg handle-incoming-irc ( privmsg -- )
dup irc-message-origin to-listener ;
M: join process-message ( join -- )
[ drop +normal+ ] [ irc-message-sender ] [ trailing>> ] tri add-participant ;
M: join handle-incoming-irc ( join -- )
[ maybe-forward-join ]
[ dup trailing>> to-listener ]
[ [ drop +normal+ ] [ prefix>> parse-name ] [ trailing>> ] tri add-participant ]
tri ;
M: part process-message ( part -- )
[ irc-message-sender ] [ channel>> ] bi remove-participant ;
M: part handle-incoming-irc ( part -- )
[ dup channel>> to-listener ]
[ [ prefix>> parse-name ] [ channel>> ] bi remove-participant ]
bi ;
M: kick handle-incoming-irc ( kick -- )
[ dup channel>> to-listener ]
M: kick process-message ( kick -- )
[ [ who>> ] [ channel>> ] bi remove-participant ]
[ dup who>> me? [ unregister-listener ] [ drop ] if ]
tri ;
M: quit handle-incoming-irc ( quit -- )
[ dup prefix>> parse-name listeners-with-participant
[ to-listener ] with each ]
[ prefix>> parse-name remove-participant-from-all ]
bi ;
M: mode handle-incoming-irc ( mode -- ) ! FIXME: modify participant list
dup channel>> to-listener ;
M: quit process-message ( quit -- )
irc-message-sender remove-participant-from-all ;
M: nick handle-incoming-irc ( nick -- )
[ dup prefix>> parse-name listeners-with-participant
[ to-listener ] with each ]
[ [ prefix>> parse-name ] [ trailing>> ] bi rename-participant-in-all ]
bi ;
M: nick process-message ( nick -- )
[ irc-message-sender ] [ trailing>> ] bi rename-participant-in-all ;
: >nick/mode ( string -- nick mode )
dup first "+@" member? [ unclip ] [ 0 ] if participant-mode ;
@ -239,22 +245,20 @@ M: nick handle-incoming-irc ( nick -- )
trailing>> [ blank? ] trim " " split
[ >nick/mode 2array ] map >hashtable ;
M: names-reply handle-incoming-irc ( names-reply -- )
M: names-reply process-message ( names-reply -- )
[ names-reply>participants ] [ channel>> listener> ] bi [
[ (>>participants) ]
[ [ f f f <participant-changed> ] dip name>> to-listener ] bi
] [ drop ] if* ;
M: irc-broadcasted-message handle-incoming-irc ( irc-broadcasted-message -- )
broadcast-message-to-listeners ;
: handle-incoming-irc ( irc-message -- )
[ forward-message ] [ process-message ] bi ;
! ======================================
! Client message handling
! ======================================
GENERIC: handle-outgoing-irc ( obj -- )
M: irc-message handle-outgoing-irc ( irc-message -- )
: handle-outgoing-irc ( irc-message -- )
irc-message>client-line irc-print ;
! ======================================

4
extra/irc/messages/messages-tests.factor
View File

@ -3,7 +3,9 @@ USING: kernel tools.test accessors arrays qualified
EXCLUDE: sequences => join ;
IN: irc.messages.tests
! Parsing tests
{ "someuser" } [ "someuser!n=user@some.where" parse-name ] unit-test
irc-message new
":someuser!n=user@some.where PRIVMSG #factortest :hi" >>line
"someuser!n=user@some.where" >>prefix

7
extra/irc/messages/messages.factor Normal file → Executable file
View File

@ -46,7 +46,7 @@ GENERIC: irc-command-parameters ( irc-message -- seq )
M: irc-message irc-command-parameters ( irc-message -- seq ) parameters>> ;
M: ping irc-command-parameters ( ping -- seq ) drop { } ;
M: join irc-command-parameters ( join -- seq ) drop { } ;
M: part irc-command-parameters ( part -- seq ) name>> 1array ;
M: part irc-command-parameters ( part -- seq ) channel>> 1array ;
M: quit irc-command-parameters ( quit -- seq ) drop { } ;
M: nick irc-command-parameters ( nick -- seq ) drop { } ;
M: privmsg irc-command-parameters ( privmsg -- seq ) name>> 1array ;
@ -98,6 +98,11 @@ M: irc-message irc-message>server-line ( irc-message -- string )
PRIVATE>
UNION: sender-in-prefix privmsg join part quit kick mode nick ;
GENERIC: irc-message-sender ( irc-message -- sender )
M: sender-in-prefix irc-message-sender ( sender-in-prefix -- sender )
prefix>> parse-name ;
: string>irc-message ( string -- object )
dup split-prefix split-trailing
[ [ blank? ] trim " " split unclip swap ] dip

6
extra/irc/ui/commands/commands.factor
View File

@ -1,7 +1,7 @@
! Copyright (C) 2008 William Schlieper
! See http://factorcode.org/license.txt for BSD license.
USING: accessors kernel irc.client irc.messages irc.ui namespaces ;
USING: accessors kernel arrays irc.client irc.messages irc.ui namespaces ;
IN: irc.ui.commands
@ -16,5 +16,9 @@ IN: irc.ui.commands
: query ( string -- )
irc-tab get window>> query-nick ;
: whois ( string -- )
"WHOIS" swap { } clone swap <irc-client-message>
irc-tab get listener>> write-message ;
: quote ( string -- )
drop ; ! THIS WILL CHANGE

45
extra/irc/ui/ui.factor
View File

@ -8,7 +8,7 @@ USING: accessors kernel threads combinators concurrency.mailboxes
ui.gadgets.scrollers ui.commands ui.gadgets.frames ui.gestures
ui.gadgets.tabs ui.gadgets.grids ui.gadgets.packs ui.gadgets.labels
io io.styles namespaces calendar calendar.format models continuations
irc.client irc.client.private irc.messages irc.messages.private
irc.client irc.client.private irc.messages
irc.ui.commandparser irc.ui.load ;
RENAME: join sequences => sjoin
@ -21,7 +21,10 @@ SYMBOL: client
TUPLE: ui-window < tabbed client ;
TUPLE: irc-tab < frame listener client window userlist ;
M: ui-window ungraft*
client>> terminate-irc ;
TUPLE: irc-tab < frame listener client window ;
: write-color ( str color -- )
foreground associate format ;
@ -39,7 +42,7 @@ M: ping write-irc
M: privmsg write-irc
"<" blue write-color
[ prefix>> parse-name write ] keep
[ irc-message-sender write ] keep
"> " blue write-color
trailing>> write ;
@ -61,24 +64,24 @@ M: own-message write-irc
M: join write-irc
"* " dark-green write-color
prefix>> parse-name write
irc-message-sender write
" has entered the channel." dark-green write-color ;
M: part write-irc
"* " dark-red write-color
[ prefix>> parse-name write ] keep
[ irc-message-sender write ] keep
" has left the channel" dark-red write-color
trailing>> dot-or-parens dark-red write-color ;
M: quit write-irc
"* " dark-red write-color
[ prefix>> parse-name write ] keep
[ irc-message-sender write ] keep
" has left IRC" dark-red write-color
trailing>> dot-or-parens dark-red write-color ;
M: kick write-irc
"* " dark-red write-color
[ prefix>> parse-name write ] keep
[ irc-message-sender write ] keep
" has kicked " dark-red write-color
[ who>> write ] keep
" from the channel" dark-red write-color
@ -89,7 +92,7 @@ M: kick write-irc
M: mode write-irc
"* " blue write-color
[ prefix>> parse-name write ] keep
[ irc-message-sender write ] keep
" has applied mode " blue write-color
[ full-mode write ] keep
" to " blue write-color
@ -97,7 +100,7 @@ M: mode write-irc
M: nick write-irc
"* " blue write-color
[ prefix>> parse-name write ] keep
[ irc-message-sender write ] keep
" is now known as " blue write-color
trailing>> write ;
@ -139,16 +142,6 @@ GENERIC: handle-inbox ( tab message -- )
: add-gadget-color ( pack seq color -- pack )
'[ , >>color add-gadget ] each ;
: update-participants ( tab -- )
[ userlist>> [ clear-gadget ] keep ]
[ listener>> participants>> ] bi
[ +operator+ value-labels dark-green add-gadget-color ]
[ +voice+ value-labels blue add-gadget-color ]
[ +normal+ value-labels black add-gadget-color ] tri drop ;
M: participant-changed handle-inbox
drop update-participants ;
M: object handle-inbox
nip print-irc ;
@ -198,15 +191,21 @@ TUPLE: irc-channel-tab < irc-tab userlist ;
irc-tab new-irc-tab
<pile> [ <scroller> @right grid-add ] keep >>userlist ;
: update-participants ( tab -- )
[ userlist>> [ clear-gadget ] keep ]
[ listener>> participants>> ] bi
[ +operator+ value-labels dark-green add-gadget-color ]
[ +voice+ value-labels blue add-gadget-color ]
[ +normal+ value-labels black add-gadget-color ] tri drop ;
M: participant-changed handle-inbox
drop update-participants ;
TUPLE: irc-server-tab < irc-tab ;
: <irc-server-tab> ( listener -- irc-tab )
f irc-server-tab new-irc-tab ;
M: irc-server-tab ungraft*
[ window>> client>> terminate-irc ]
[ listener>> ] [ window>> client>> ] tri remove-listener ;
: <irc-nick-tab> ( listener ui-window -- irc-tab )
irc-tab new-irc-tab ;

3
extra/math/derivatives/authors.txt
View File

@ -1 +1,2 @@
Reginald Ford
Reginald Ford
Eduardo Cavazos

102
extra/math/derivatives/derivatives-docs.factor
View File

@ -1,9 +1,101 @@
USING: help.markup help.syntax ;
USING: help.markup help.syntax math.functions ;
IN: math.derivatives
HELP: derivative ( x function -- m )
{ $values { "x" "the x-position on the function" } { "function" "a differentiable function" } }
{ $description "Finds the slope of the tangent line at the given x-position on the given function." } ;
{ $values { "x" "a position on the function" } { "function" "a differentiable function" } }
{ $description
"Approximates the slope of the tangent line by using Ridders' "
"method of computing derivatives, from the chapter \"Accurate computation "
"of F'(x) and F'(x)F''(x)\", from \"Advances in Engineering Software, Vol. 4, pp. 75-76 ."
}
{ $examples
{ $example
"USING: math.derivatives prettyprint ;"
"[ sq ] 4 derivative ."
"8"
}
{ $notes
"For applied scientists, you may play with the settings "
"in the source file to achieve arbitrary accuracy. "
}
} ;
{ derivative-func } related-words
HELP: (derivative) ( x function h err -- m )
{ $values
{ "x" "a position on the function" }
{ "function" "a differentiable function" }
{
"h" "distance between the points of the first secant line used for "
"approximation of the tangent. This distance will be divided "
"constantly, by " { $link con } ". See " { $link init-hh }
" for the code which enforces this. H should be .001 to .5 -- too "
"small can cause bad convergence. Also, h should be small enough "
"to give the correct sgn(f'(x)). In other words, if you're expecting "
"a positive derivative, make h small enough to give the same "
"when plugged into the academic limit definition of a derivative. "
"See " { $link update-hh } " for the code which performs this task."
}
{
"err" "maximum tolerance of increase in error. For example, if this "
"is set to 2.0, the program will terminate with its nearest answer "
"when the error multiplies by 2. See " { $link check-safe } " for "
"the enforcing code."
}
}
{ $description
"Approximates the slope of the tangent line by using Ridders' "
"method of computing derivatives, from the chapter \"Accurate computation "
"of F'(x) and F'(x)F''(x)\", from \"Advances in Engineering Software, "
"Vol. 4, pp. 75-76 ."
}
{ $examples
{ $example
"USING: math.derivatives prettyprint ;"
"[ sq ] 4 derivative ."
"8"
}
{ $notes
"For applied scientists, you may play with the settings "
"in the source file to achieve arbitrary accuracy. "
}
} ;
HELP: derivative-func ( function -- der )
{ $values { "func" "a differentiable function" } { "der" "the derivative" } }
{ $description
"Provides the derivative of the function. The implementation simply "
"attaches the " { $link derivative } " word to the end of the function."
}
{ $examples
{ $example
"USING: math.derivatives prettyprint ;"
"60 deg>rad [ sin ] derivative-func call ."
"0.5000000000000173"
}
{ $notes
"Without a heavy algebraic system, derivatives must be "
"approximated. With the current settings, there is a fair trade of "
"speed and accuracy; the first 12 digits "
"will always be correct with " { $link sin } " and " { $link cos }
". The following code performs a minumum and maximum error test."
{ $code
"USING: kernel math math.functions math.trig sequences sequences.lib ;"
"360"
"["
" deg>rad"
" [ [ sin ] derivative-func call ]"
" ! Note: the derivative of sin is cos"
" [ cos ]"
" bi - abs"
"] map minmax"
}
}
} ;
ARTICLE: "derivatives" "The Derivative Toolkit"
"A toolkit for computing the derivative of functions."
{ $subsection derivative }
{ $subsection derivative-func }
{ $subsection (derivative) } ;
ABOUT: "derivatives"

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! Copyright © 2008 Reginald Keith Ford II
! Tool for computing the derivative of a function at a point
USING: kernel math math.points math.function-tools ;
USING: kernel continuations combinators sequences math
math.order math.ranges accessors float-arrays ;
IN: math.derivatives
: small-amount ( -- n ) 1.0e-14 ;
: some-more ( x -- y ) small-amount + ;
: some-less ( x -- y ) small-amount - ;
: derivative ( x function -- m ) [ [ some-more ] dip eval ] [ [ some-less ] dip eval ] 2bi slope ;
: derivative-func ( function -- function ) [ derivative ] curry ;
TUPLE: state x func h err i j errt fac hh ans a done ;
: largest-float ( -- x ) HEX: 7fefffffffffffff bits>double ; foldable
: ntab ( -- val ) 8 ;
: con ( -- val ) 1.6 ;
: con2 ( -- val ) con con * ;
: big ( -- val ) largest-float ;
: safe ( -- val ) 2.0 ;
! Yes, this was ported from C code.
: a[i][i] ( state -- elt ) [ i>> ] [ i>> ] [ a>> ] tri nth nth ;
: a[j][i] ( state -- elt ) [ i>> ] [ j>> ] [ a>> ] tri nth nth ;
: a[j-1][i] ( state -- elt ) [ i>> ] [ j>> 1 - ] [ a>> ] tri nth nth ;
: a[j-1][i-1] ( state -- elt ) [ i>> 1 - ] [ j>> 1 - ] [ a>> ] tri nth nth ;
: a[i-1][i-1] ( state -- elt ) [ i>> 1 - ] [ i>> 1 - ] [ a>> ] tri nth nth ;
: check-h ( state -- state )
dup h>> 0 = [ "h must be nonzero in dfridr" throw ] when ;
: init-a ( state -- state ) ntab [ ntab <float-array> ] replicate >>a ;
: init-hh ( state -- state ) dup h>> >>hh ;
: init-err ( state -- state ) big >>err ;
: update-hh ( state -- state ) dup hh>> con / >>hh ;
: reset-fac ( state -- state ) con2 >>fac ;
: update-fac ( state -- state ) dup fac>> con2 * >>fac ;
! If error is decreased, save the improved answer
: error-decreased? ( state -- state ? ) [ ] [ errt>> ] [ err>> ] tri <= ;
: save-improved-answer ( state -- state )
dup err>> >>errt
dup a[j][i] >>ans ;
! If higher order is worse by a significant factor SAFE, then quit early.
: check-safe ( state -- state )
dup
[ [ a[i][i] ] [ a[i-1][i-1] ] bi - abs ] [ err>> safe * ] bi >=
[ t >>done ]
when ;
: x+hh ( state -- val ) [ x>> ] [ hh>> ] bi + ;
: x-hh ( state -- val ) [ x>> ] [ hh>> ] bi - ;
: limit-approx ( state -- val )
[
[ [ x+hh ] [ func>> ] bi call ]
[ [ x-hh ] [ func>> ] bi call ]
bi -
]
[ hh>> 2.0 * ]
bi / ;
: a[0][0]! ( state -- state )
{ [ ] [ limit-approx ] [ drop 0 ] [ drop 0 ] [ a>> ] } cleave nth set-nth ;
: a[0][i]! ( state -- state )
{ [ ] [ limit-approx ] [ i>> ] [ drop 0 ] [ a>> ] } cleave nth set-nth ;
: a[j-1][i]*fac ( state -- val ) [ a[j-1][i] ] [ fac>> ] bi * ;
: new-a[j][i] ( state -- val )
[ [ a[j-1][i]*fac ] [ a[j-1][i-1] ] bi - ]
[ fac>> 1.0 - ]
bi / ;
: a[j][i]! ( state -- state )
{ [ ] [ new-a[j][i] ] [ i>> ] [ j>> ] [ a>> ] } cleave nth set-nth ;
: update-errt ( state -- state )
dup
[ [ a[j][i] ] [ a[j-1][i] ] bi - abs ]
[ [ a[j][i] ] [ a[j-1][i-1] ] bi - abs ]
bi max
>>errt ;
: not-done? ( state -- state ? ) dup done>> not ;
: derive ( state -- state )
init-a
check-h
init-hh
a[0][0]!
init-err
1 ntab [a,b)
[
>>i
not-done?
[
update-hh
a[0][i]!
reset-fac
1 over i>> [a,b]
[
>>j
a[j][i]!
update-fac
update-errt
error-decreased? [ save-improved-answer ] when
]
each
check-safe
]
when
]
each ;
: derivative-state ( x func h err -- state )
state new
swap >>err
swap >>h
swap >>func
swap >>x ;
! For scientists:
! h should be .001 to .5 -- too small can cause bad convergence,
! h should be small enough to give the correct sgn(f'(x))
! err is the max tolerance of gain in error for a single iteration-
: (derivative) ( x func h err -- ans error )
derivative-state
derive
[ ans>> ]
[ errt>> ]
bi ;
: derivative ( x func -- m ) 0.01 2.0 (derivative) drop ;
: derivative-func ( func -- der ) [ derivative ] curry ;

8
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@ -3,7 +3,7 @@
USING: kernel math arrays sequences sequences.lib ;
IN: math.function-tools
: difference-func ( func func -- func ) [ bi - ] 2curry ;
: eval ( x func -- pt ) dupd call 2array ;
: eval-inverse ( y func -- pt ) dupd call swap 2array ;
: eval3d ( x y func -- pt ) [ 2dup ] dip call 3array ;
: difference-func ( func func -- func ) [ bi - ] 2curry ; inline
: eval ( x func -- pt ) dupd call 2array ; inline
: eval-inverse ( y func -- pt ) dupd call swap 2array ; inline
: eval3d ( x y func -- pt ) [ 2dup ] dip call 3array ; inline

11
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@ -211,8 +211,11 @@ PRIVATE>
: insert-nth ( elt n seq -- seq' )
swap cut-slice [ swap 1array ] dip 3append ;
: if-seq ( seq quot1 quot2 -- )
[ f like ] 2dip if* ; inline
: if-seq ( seq quot1 quot2 -- ) [ f like ] 2dip if* ; inline
: if-empty ( seq quot1 quot2 -- ) swap if-seq ; inline
: when-empty ( seq quot1 -- ) [ ] if-empty ; inline
: unless-empty ( seq quot1 -- ) [ ] swap if-empty ; inline
: if-empty ( seq quot1 quot2 -- )
swap if-seq ; inline

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Doug Coleman

23
extra/serial/serial.factor Normal file
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! Copyright (C) 2008 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors alien.c-types assocs combinators destructors
kernel math math.bitfields math.parser sequences summary system
vocabs.loader ;
IN: serial
TUPLE: serial stream path baud
termios iflag oflag cflag lflag ;
ERROR: invalid-baud baud ;
M: invalid-baud summary ( invalid-baud -- string )
"Baud rate "
swap baud>> number>string
" not supported" 3append ;
HOOK: lookup-baud os ( m -- n )
HOOK: open-serial os ( serial -- serial' )
M: serial dispose ( serial -- ) stream>> dispose ;
{
{ [ os unix? ] [ "serial.unix" ] }
} cond require

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Serial port library

1
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unportable

86
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! Copyright (C) 2008 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: alien.syntax kernel math.bitfields sequences system serial ;
IN: serial.unix
M: bsd lookup-baud ( m -- n )
dup {
0 50 75 110 134 150 200 300 600 1200 1800 2400 4800
7200 9600 14400 19200 28800 38400 57600 76800 115200
230400 460800 921600
} member? [ invalid-baud ] unless ;
: TCSANOW 0 ; inline
: TCSADRAIN 1 ; inline
: TCSAFLUSH 2 ; inline
: TCSASOFT HEX: 10 ; inline
: TCIFLUSH 1 ; inline
: TCOFLUSH 2 ; inline
: TCIOFLUSH 3 ; inline
: TCOOFF 1 ; inline
: TCOON 2 ; inline
: TCIOFF 3 ; inline
: TCION 4 ; inline
! iflags
: IGNBRK HEX: 00000001 ; inline
: BRKINT HEX: 00000002 ; inline
: IGNPAR HEX: 00000004 ; inline
: PARMRK HEX: 00000008 ; inline
: INPCK HEX: 00000010 ; inline
: ISTRIP HEX: 00000020 ; inline
: INLCR HEX: 00000040 ; inline
: IGNCR HEX: 00000080 ; inline
: ICRNL HEX: 00000100 ; inline
: IXON HEX: 00000200 ; inline
: IXOFF HEX: 00000400 ; inline
: IXANY HEX: 00000800 ; inline
: IMAXBEL HEX: 00002000 ; inline
: IUTF8 HEX: 00004000 ; inline
! oflags
: OPOST HEX: 00000001 ; inline
: ONLCR HEX: 00000002 ; inline
: OXTABS HEX: 00000004 ; inline
: ONOEOT HEX: 00000008 ; inline
! cflags
: CIGNORE HEX: 00000001 ; inline
: CSIZE HEX: 00000300 ; inline
: CS5 HEX: 00000000 ; inline
: CS6 HEX: 00000100 ; inline
: CS7 HEX: 00000200 ; inline
: CS8 HEX: 00000300 ; inline
: CSTOPB HEX: 00000400 ; inline
: CREAD HEX: 00000800 ; inline
: PARENB HEX: 00001000 ; inline
: PARODD HEX: 00002000 ; inline
: HUPCL HEX: 00004000 ; inline
: CLOCAL HEX: 00008000 ; inline
: CCTS_OFLOW HEX: 00010000 ; inline
: CRTS_IFLOW HEX: 00020000 ; inline
: CRTSCTS { CCTS_OFLOW CRTS_IFLOW } flags ; inline
: CDTR_IFLOW HEX: 00040000 ; inline
: CDSR_OFLOW HEX: 00080000 ; inline
: CCAR_OFLOW HEX: 00100000 ; inline
: MDMBUF HEX: 00100000 ; inline
! lflags
: ECHOKE HEX: 00000001 ; inline
: ECHOE HEX: 00000002 ; inline
: ECHOK HEX: 00000004 ; inline
: ECHO HEX: 00000008 ; inline
: ECHONL HEX: 00000010 ; inline
: ECHOPRT HEX: 00000020 ; inline
: ECHOCTL HEX: 00000040 ; inline
: ISIG HEX: 00000080 ; inline
: ICANON HEX: 00000100 ; inline
: ALTWERASE HEX: 00000200 ; inline
: IEXTEN HEX: 00000400 ; inline
: EXTPROC HEX: 00000800 ; inline
: TOSTOP HEX: 00400000 ; inline
: FLUSHO HEX: 00800000 ; inline
: NOKERNINFO HEX: 02000000 ; inline
: PENDIN HEX: 20000000 ; inline
: NOFLSH HEX: 80000000 ; inline

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unportable

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! Copyright (C) 2008 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: assocs alien.syntax kernel serial system unix ;
IN: serial.unix
: TCSANOW 0 ; inline
: TCSADRAIN 1 ; inline
: TCSAFLUSH 2 ; inline
: TCIFLUSH 0 ; inline
: TCOFLUSH 1 ; inline
: TCIOFLUSH 2 ; inline
: TCOOFF 0 ; inline
: TCOON 1 ; inline
: TCIOFF 2 ; inline
: TCION 3 ; inline
! iflag
: IGNBRK OCT: 0000001 ; inline
: BRKINT OCT: 0000002 ; inline
: IGNPAR OCT: 0000004 ; inline
: PARMRK OCT: 0000010 ; inline
: INPCK OCT: 0000020 ; inline
: ISTRIP OCT: 0000040 ; inline
: INLCR OCT: 0000100 ; inline
: IGNCR OCT: 0000200 ; inline
: ICRNL OCT: 0000400 ; inline
: IUCLC OCT: 0001000 ; inline
: IXON OCT: 0002000 ; inline
: IXANY OCT: 0004000 ; inline
: IXOFF OCT: 0010000 ; inline
: IMAXBEL OCT: 0020000 ; inline
: IUTF8 OCT: 0040000 ; inline
! oflag
: OPOST OCT: 0000001 ; inline
: OLCUC OCT: 0000002 ; inline
: ONLCR OCT: 0000004 ; inline
: OCRNL OCT: 0000010 ; inline
: ONOCR OCT: 0000020 ; inline
: ONLRET OCT: 0000040 ; inline
: OFILL OCT: 0000100 ; inline
: OFDEL OCT: 0000200 ; inline
: NLDLY OCT: 0000400 ; inline
: NL0 OCT: 0000000 ; inline
: NL1 OCT: 0000400 ; inline
: CRDLY OCT: 0003000 ; inline
: CR0 OCT: 0000000 ; inline
: CR1 OCT: 0001000 ; inline
: CR2 OCT: 0002000 ; inline
: CR3 OCT: 0003000 ; inline
: TABDLY OCT: 0014000 ; inline
: TAB0 OCT: 0000000 ; inline
: TAB1 OCT: 0004000 ; inline
: TAB2 OCT: 0010000 ; inline
: TAB3 OCT: 0014000 ; inline
: BSDLY OCT: 0020000 ; inline
: BS0 OCT: 0000000 ; inline
: BS1 OCT: 0020000 ; inline
: FFDLY OCT: 0100000 ; inline
: FF0 OCT: 0000000 ; inline
: FF1 OCT: 0100000 ; inline
! cflags
: CSIZE OCT: 0000060 ; inline
: CS5 OCT: 0000000 ; inline
: CS6 OCT: 0000020 ; inline
: CS7 OCT: 0000040 ; inline
: CS8 OCT: 0000060 ; inline
: CSTOPB OCT: 0000100 ; inline
: CREAD OCT: 0000200 ; inline
: PARENB OCT: 0000400 ; inline
: PARODD OCT: 0001000 ; inline
: HUPCL OCT: 0002000 ; inline
: CLOCAL OCT: 0004000 ; inline
: CIBAUD OCT: 002003600000 ; inline
: CRTSCTS OCT: 020000000000 ; inline
! lflags
: ISIG OCT: 0000001 ; inline
: ICANON OCT: 0000002 ; inline
: XCASE OCT: 0000004 ; inline
: ECHO OCT: 0000010 ; inline
: ECHOE OCT: 0000020 ; inline
: ECHOK OCT: 0000040 ; inline
: ECHONL OCT: 0000100 ; inline
: NOFLSH OCT: 0000200 ; inline
: TOSTOP OCT: 0000400 ; inline
: ECHOCTL OCT: 0001000 ; inline
: ECHOPRT OCT: 0002000 ; inline
: ECHOKE OCT: 0004000 ; inline
: FLUSHO OCT: 0010000 ; inline
: PENDIN OCT: 0040000 ; inline
: IEXTEN OCT: 0100000 ; inline
M: linux lookup-baud ( n -- n )
dup H{
{ 0 OCT: 0000000 }
{ 50 OCT: 0000001 }
{ 75 OCT: 0000002 }
{ 110 OCT: 0000003 }
{ 134 OCT: 0000004 }
{ 150 OCT: 0000005 }
{ 200 OCT: 0000006 }
{ 300 OCT: 0000007 }
{ 600 OCT: 0000010 }
{ 1200 OCT: 0000011 }
{ 1800 OCT: 0000012 }
{ 2400 OCT: 0000013 }
{ 4800 OCT: 0000014 }
{ 9600 OCT: 0000015 }
{ 19200 OCT: 0000016 }
{ 38400 OCT: 0000017 }
{ 57600 OCT: 0010001 }
{ 115200 OCT: 0010002 }
{ 230400 OCT: 0010003 }
{ 460800 OCT: 0010004 }
{ 500000 OCT: 0010005 }
{ 576000 OCT: 0010006 }
{ 921600 OCT: 0010007 }
{ 1000000 OCT: 0010010 }
{ 1152000 OCT: 0010011 }
{ 1500000 OCT: 0010012 }
{ 2000000 OCT: 0010013 }
{ 2500000 OCT: 0010014 }
{ 3000000 OCT: 0010015 }
{ 3500000 OCT: 0010016 }
{ 4000000 OCT: 0010017 }
} at* [ nip ] [ drop invalid-baud ] if ;

1
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unportable

1
extra/serial/unix/tags.txt Normal file
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unportable

19
extra/serial/unix/termios/bsd/bsd.factor Normal file
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! Copyright (C) 2008 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: alien.syntax kernel sequences system ;
IN: serial.unix.termios
: NCCS 20 ; inline
TYPEDEF: uint tcflag_t
TYPEDEF: uchar cc_t
TYPEDEF: uint speed_t
C-STRUCT: termios
{ "tcflag_t" "iflag" } ! input mode flags
{ "tcflag_t" "oflag" } ! output mode flags
{ "tcflag_t" "cflag" } ! control mode flags
{ "tcflag_t" "lflag" } ! local mode flags
{ { "cc_t" NCCS } "cc" } ! control characters
{ "speed_t" "ispeed" } ! input speed
{ "speed_t" "ospeed" } ; ! output speed

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unportable

20
extra/serial/unix/termios/linux/linux.factor Normal file
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! Copyright (C) 2008 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: alien.syntax kernel system unix ;
IN: serial.unix.termios
: NCCS 32 ; inline
TYPEDEF: uchar cc_t
TYPEDEF: uint speed_t
TYPEDEF: uint tcflag_t
C-STRUCT: termios
{ "tcflag_t" "iflag" } ! input mode flags
{ "tcflag_t" "oflag" } ! output mode flags
{ "tcflag_t" "cflag" } ! control mode flags
{ "tcflag_t" "lflag" } ! local mode flags
{ "cc_t" "line" } ! line discipline
{ { "cc_t" NCCS } "cc" } ! control characters
{ "speed_t" "ispeed" } ! input speed
{ "speed_t" "ospeed" } ; ! output speed

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unportable

1
extra/serial/unix/termios/tags.txt Normal file
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@ -0,0 +1 @@
unportable

9
extra/serial/unix/termios/termios.factor Normal file
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! Copyright (C) 2008 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: combinators system vocabs.loader ;
IN: serial.unix.termios
{
{ [ os linux? ] [ "serial.unix.termios.linux" ] }
{ [ os bsd? ] [ "serial.unix.termios.bsd" ] }
} cond require

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! Copyright (C) 2008 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors kernel math.bitfields serial serial.unix ;
IN: serial.unix
: serial-obj ( -- obj )
serial new
"/dev/ttyS0" >>path
19200 >>baud
{ IGNPAR ICRNL } flags >>iflag
{ } flags >>oflag
{ CS8 CLOCAL CREAD } flags >>cflag
{ ICANON } flags >>lflag ;
: serial-test ( -- serial )
serial-obj
open-serial
dup get-termios >>termios
dup configure-termios
dup tciflush
dup apply-termios ;

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! Copyright (C) 2008 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors alien.c-types alien.syntax combinators io.ports
io.streams.duplex io.unix.backend system kernel math math.bitfields
vocabs.loader unix serial serial.unix.termios ;
IN: serial.unix
<< {
{ [ os linux? ] [ "serial.unix.linux" ] }
{ [ os bsd? ] [ "serial.unix.bsd" ] }
} cond require >>
FUNCTION: speed_t cfgetispeed ( termios* t ) ;
FUNCTION: speed_t cfgetospeed ( termios* t ) ;
FUNCTION: int cfsetispeed ( termios* t, speed_t s ) ;
FUNCTION: int cfsetospeed ( termios* t, speed_t s ) ;
FUNCTION: int tcgetattr ( int i1, termios* t ) ;
FUNCTION: int tcsetattr ( int i1, int i2, termios* t ) ;
FUNCTION: int tcdrain ( int i1 ) ;
FUNCTION: int tcflow ( int i1, int i2 ) ;
FUNCTION: int tcflush ( int i1, int i2 ) ;
FUNCTION: int tcsendbreak ( int i1, int i2 ) ;
FUNCTION: void cfmakeraw ( termios* t ) ;
FUNCTION: int cfsetspeed ( termios* t, speed_t s ) ;
: fd>duplex-stream ( fd -- duplex-stream )
<fd> init-fd
[ <input-port> ] [ <output-port> ] bi <duplex-stream> ;
: open-rw ( path -- fd ) O_RDWR file-mode open-file ;
: <file-rw> ( path -- stream ) open-rw fd>duplex-stream ;
M: unix open-serial ( serial -- serial' )
dup
path>> { O_RDWR O_NOCTTY O_NDELAY } flags file-mode open-file
fd>duplex-stream >>stream ;
: serial-fd ( serial -- fd )
stream>> in>> handle>> fd>> ;
: get-termios ( serial -- termios )
serial-fd
"termios" <c-object> [ tcgetattr io-error ] keep ;
: configure-termios ( serial -- )
dup termios>>
{
[ [ iflag>> ] dip over [ set-termios-iflag ] [ 2drop ] if ]
[ [ oflag>> ] dip over [ set-termios-oflag ] [ 2drop ] if ]
[
[
[ cflag>> 0 or ] [ baud>> lookup-baud ] bi bitor
] dip set-termios-cflag
]
[ [ lflag>> ] dip over [ set-termios-lflag ] [ 2drop ] if ]
} 2cleave ;
: tciflush ( serial -- )
serial-fd TCIFLUSH tcflush io-error ;
: apply-termios ( serial -- )
[ serial-fd TCSANOW ]
[ termios>> ] bi tcsetattr io-error ;