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EMACS
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(DEFINE-FILE-INFO READTABLE "INTERLISP" PACKAGE "INTERLISP")
(FILECREATED "19-Feb-2021 11:40:35"
{DSK}<Users>kaplan>Local>medley3.5>git-medley>lispusers>EMACS.;9 86790
changes to%: (VARS EMACSCOMS)
previous date%: "19-Feb-2021 11:24:35"
{DSK}<Users>kaplan>Local>medley3.5>git-medley>lispusers>EMACS.;6)
(* ; "
Copyright (c) 1985, 1986, 2021 by Xerox Corporation.
")
(PRETTYCOMPRINT EMACSCOMS)
(RPAQQ EMACSCOMS
[(* EMACS -- By Kelly Roach *)
(* ;; "Patched by Ron Kaplan (2021) to require TEDIT and to eliminate a dependency on a historical attempt at BQUOTE.")
(* ;; "So it loads, but it really doesn't work.")
(* ;; "This has to be compiled with EXPORTS.ALL")
(DECLARE%: (FILES TEDIT))
(COMS (* EMACS *)
(INITVARS (BytesPerPage 512)
(EMACS.COMMANDS NIL)
(EMACS.MCOMMANDS NIL)
(EMACS.XCOMMANDS NIL)
(EMACS.LIST %' ((1 EMACS.GOTO.BOL)
(2 EMACS.BACK.BYTE)
(4 EMACS.FWD.DELETE.BYTE)
(5 EMACS.GOTO.EOL)
(6 EMACS.FWD.BYTE)
(9 EMACS.TAB)
(11 EMACS.KILL.LINE)
(12 EMACS.REDISPLAY)
(14 EMACS.NEXT.LINE)
(16 EMACS.PREVIOUS.LINE)
(17 EMACS.QUOTE.BYTE)
(19 EMACS.SEARCH)
(20 EMACS.TRANSPOSE.BYTES)
(22 EMACS.NEXT.SCREENFULL)
(24 EMACS.CX)
(26 EMACS.CZ)
(41 EMACS.RPAREN)
(93 EMACS.RBRACKET)
(125 EMACS.RBRACE)
(127 EMACS.BACK.DELETE.BYTE)))
(EMACS.MLIST %' ((1 EMACS.GOTO.BOD)
(2 EMACS.SAFE.BACK.SEXPR)
(5 EMACS.GOTO.EOD)
(6 EMACS.FWD.SEXPR)
(11 EMACS.KILL.SEXPR)
(60 EMACS.GOTO.BOF)
(62 EMACS.GOTO.EOF)
(66 EMACS.BACK.WORD)
(68 EMACS.FWD.DELETE.WORD)
(69 EMACS.EDIT)
(70 EMACS.FWD.WORD)
(71 EMACS.GRIND)
(52 EMACS.SNARF)
(86 EMACS.PREVIOUS.SCREENFULL)
(94 EMACS.JOIN.LINES)
(127 EMACS.BACK.DELETE.WORD)))
(EMACS.XLIST %' ((22 EMACS.CXCV)
(23 EMACS.CXCW)
(26 EMACS.CXCZ)))
(\BQUOTE.LEVEL 0))
(RECORDS EMACSSTREAM)
(FNS EMACS.INIT EMACS.INIT.BACKGROUND DEDITEmacs EMACS.INIT.COMMANDS EMACS.COMMAND
EMACS.OPERATE EMACS.GETKEY EMACS EMACS.PROCESS EMACS.TEDIT1 EMACS.WINDOW
EMACS.SETFILEPTR EMACS.GETCARETPTR EMACS.SETCARETPTR EMACS.SHOWCARET EMACS.BOL
EMACS.EOL EMACS.DELETE.BYTES EMACS.BOFP EMACS.EOFP EMACS.CCHAR EMACS.PEEKBIN
EMACS.FBYTE EMACS.FWORD EMACS.BYTEP EMACS.FSKIP EMACS.FSKIPTO EMACS.BBYTE
EMACS.BCHAR EMACS.BPEEKCHAR EMACS.BWORD EMACS.BSKIP EMACS.BSKIPTO EMACS.SET.EOF
EMACS.GOTO.BOL EMACS.BACK.BYTE EMACS.FWD.DELETE.BYTE EMACS.GOTO.EOL EMACS.FWD.BYTE
EMACS.KILL.LINE EMACS.DELETE.CHARS EMACS.REDISPLAY EMACS.NEXT.LINE
EMACS.PREVIOUS.LINE EMACS.QUOTE.BYTE EMACS.SEARCH EMACS.TRANSPOSE.BYTES
EMACS.NEXT.SCREENFULL EMACS.CXCV EMACS.CXCW EMACS.CXCZ EMACS.FWD.SEXPR
EMACS.BACK.DELETE.BYTE EMACS.GOTO.BOD EMACS.BOD EMACS.GOTO.EOD EMACS.EOD
EMACS.KILL.SEXPR EMACS.GOTO.BOF EMACS.GOTO.EOF EMACS.BACK.WORD
EMACS.FWD.DELETE.WORD EMACS.EDIT EMACS.FWD.WORD EMACS.GRIND EMACS.SNARF EMACS.MT
EMACS.PREVIOUS.SCREENFULL EMACS.JOIN.LINES EMACS.BACK.DELETE.WORD
NEW.TEDIT.SELECT.LINE.SCANNER))
(COMS (* BALANCE *)
(PROPS (ACCESSFNS EMACS.TAB)
(DATATYPE EMACS.TAB)
(DEFEXPR EMACS.TAB)
(DEFFEXPR EMACS.TAB)
(DEFVAR EMACS.TAB)
(DO EMACS.TAB)
(FOR EMACS.TAB)
[LAMBDA EMACS.TAB]
(PROG EMACS.TAB)
(RECORD EMACS.TAB)
(SELECT EMACS.TAB)
(SELECTQ EMACS.TAB)
(UNTIL EMACS.TAB)
(WHILE EMACS.TAB))
(INITVARS (EMACS.DELIMS NIL)
(EMACS.SDELIMS NIL)
(EMACS.LDELIMS NIL)
(EMACS.RDELIMS NIL)
(EMACS.SCACHE NIL)
(EMACS.BCACHE NIL)
(EMACS.SYNTAX NIL)
(EMACS.CR 1)
(EMACS.WS 2)
(EMACS.SD 4)
(EMACS.NONCR 8)
(EMACS.NONWS 16)
(EMACS.NONSD 32)
(EMACS.BQ 64)
(EMACS.ALPHA 128)
(EMACS.BD 256)
(EMACS.SPACE 512))
(FNS EMACS.DELIMS EMACS.CR EMACS.RPAREN EMACS.RBRACKET EMACS.RBRACE EMACS.RANGLE
EMACS.SDELIM.COMMAND EMACS.LDELIM.COMMAND EMACS.RDELIM.COMMAND EMACS.SDELIM
EMACS.LDELIM EMACS.RDELIM EMACS.OPEN.STRING EMACS.CLOSE.STRING EMACS.OPEN.BALANCE
EMACS.CLOSE.BALANCE EMACS.FLUSH.CACHE EMACS.SCACHE EMACS.BCACHE
EMACS.SAFE.BACK.SEXPRS EMACS.SAFE.BACK.SEXPR EMACS.BACK.SEXPR EMACS.BACK.SKIPSEPRS
EMACS.BACK.ESCAPEDP EMACS.TAB EMACS.TAB.INDENT EMACS.INIT.SYNTAX))
(DECLARE%: DONTEVAL@LOAD DOCOPY (P (EMACS.INIT)
(MOVD? %'TEDIT.SELECT.LINE.SCANNER %'
OLD.TEDIT.SELECT.LINE.SCANNER)
(MOVD %'NEW.TEDIT.SELECT.LINE.SCANNER %'
TEDIT.SELECT.LINE.SCANNER)
(MOVD %'EMACS %'TEDIT])
(* EMACS -- By Kelly Roach *)
(* ;;
"Patched by Ron Kaplan (2021) to require TEDIT and to eliminate a dependency on a historical attempt at BQUOTE."
)
(* ;; "So it loads, but it really doesn't work.")
(* ;; "This has to be compiled with EXPORTS.ALL")
(DECLARE%:
(FILESLOAD TEDIT)
)
(* EMACS *)
(RPAQ? BytesPerPage 512)
(RPAQ? EMACS.COMMANDS NIL)
(RPAQ? EMACS.MCOMMANDS NIL)
(RPAQ? EMACS.XCOMMANDS NIL)
(RPAQ? EMACS.LIST %' ((1 EMACS.GOTO.BOL)
(2 EMACS.BACK.BYTE)
(4 EMACS.FWD.DELETE.BYTE)
(5 EMACS.GOTO.EOL)
(6 EMACS.FWD.BYTE)
(9 EMACS.TAB)
(11 EMACS.KILL.LINE)
(12 EMACS.REDISPLAY)
(14 EMACS.NEXT.LINE)
(16 EMACS.PREVIOUS.LINE)
(17 EMACS.QUOTE.BYTE)
(19 EMACS.SEARCH)
(20 EMACS.TRANSPOSE.BYTES)
(22 EMACS.NEXT.SCREENFULL)
(24 EMACS.CX)
(26 EMACS.CZ)
(41 EMACS.RPAREN)
(93 EMACS.RBRACKET)
(125 EMACS.RBRACE)
(127 EMACS.BACK.DELETE.BYTE)))
(RPAQ? EMACS.MLIST %' ((1 EMACS.GOTO.BOD)
(2 EMACS.SAFE.BACK.SEXPR)
(5 EMACS.GOTO.EOD)
(6 EMACS.FWD.SEXPR)
(11 EMACS.KILL.SEXPR)
(60 EMACS.GOTO.BOF)
(62 EMACS.GOTO.EOF)
(66 EMACS.BACK.WORD)
(68 EMACS.FWD.DELETE.WORD)
(69 EMACS.EDIT)
(70 EMACS.FWD.WORD)
(71 EMACS.GRIND)
(52 EMACS.SNARF)
(86 EMACS.PREVIOUS.SCREENFULL)
(94 EMACS.JOIN.LINES)
(127 EMACS.BACK.DELETE.WORD)))
(RPAQ? EMACS.XLIST %' ((22 EMACS.CXCV)
(23 EMACS.CXCW)
(26 EMACS.CXCZ)))
(RPAQ? \BQUOTE.LEVEL 0)
(DECLARE%: EVAL@COMPILE
(ACCESSFNS EMACSSTREAM ((TEXTOBJ (fetch (STREAM F3) of DATUM))
(WINDOW (fetch (TEXTOBJ SELWINDOW) of (fetch (EMACSSTREAM
TEXTOBJ)
of DATUM)))
(SELECTION (fetch (TEXTOBJ SEL) of (fetch (EMACSSTREAM
TEXTOBJ)
of DATUM)))
(CARETPTR (EMACS.GETCARETPTR DATUM))
(FILEPTR (GETFILEPTR DATUM))
(DIRTY (fetch (TEXTOBJ \DIRTY) of (fetch (EMACSSTREAM TEXTOBJ
)
of DATUM)))
(BCACHE (EMACS.BCACHE DATUM))
(SCACHE (EMACS.SCACHE DATUM))))
)
(DEFINEQ
(EMACS.INIT
[LAMBDA NIL (* kbr%: "12-Jul-86 16:54")
(* Initializes EMACS.
*)
(PROG NIL
[SETQ TEDIT.INTERRUPTS '((7 HELP]
(SETQ EMACS.READTABLE (COPYREADTABLE FILERDTBL))
(EMACS.INIT.COMMANDS)
(EMACS.INIT.SYNTAX)
(EMACS.INIT.BACKGROUND)
(ADDTOVAR *DEDIT-MENU-COMMANDS* (Emacs DEDITEmacs))
(CHANGECCODE 'NILL 'TTYDISPLAYSTREAM '\TEDIT.COMMAND.LOOP])
(EMACS.INIT.BACKGROUND
[LAMBDA NIL (* kbr%: "24-Jul-85 16:36")
(* Fix up BackgroundMenu.
*)
(PROG NIL
(SETQ BackgroundMenuCommands (FOR BUCKET IN BackgroundMenuCommands
WHEN (NOT (EQ (CAR BUCKET)
'TEdit)) COLLECT BUCKET))
(ADDTOVAR BackgroundMenuCommands (EMACS '(EMACS)
"Opens an Edit Window."))
(SETQ BackgroundMenu NIL) (* BackgroundMenu recreated by
WINDOW package next time user
buttons background.
*)
])
(DEDITEmacs
[LAMBDA NIL (* kbr%: "24-Jul-85 16:36")
(* Fn to let DEDIT call EMACS on
DEDIT top selection.
*)
(PROG (EXPR)
(CURSOR T)
(SETQ EXPR (CAR (TOPSELECTION)))
(SETQ EXPR (READ (EMACS (MKSTRING EXPR)
NIL T)
EMACS.READTABLE))
(DEDITZAPCAR (TOPSELECTION)
EXPR])
(EMACS.INIT.COMMANDS
[LAMBDA NIL (* kbr%: "24-Jul-85 16:36")
(* Initialize TEDIT.READTABLE.
*)
(PROG NIL
(SETQ EMACS.COMMANDS (ARRAY 128 'POINTER NIL 0))
(SETQ EMACS.MCOMMANDS (ARRAY 128 'POINTER NIL 0))
(SETQ EMACS.XCOMMANDS (ARRAY 128 'POINTER NIL 0))
(FOR BUCKET IN EMACS.LIST DO (SETA EMACS.COMMANDS (CAR BUCKET)
(CADR BUCKET)))
(FOR BUCKET IN EMACS.MLIST DO (SETA EMACS.MCOMMANDS (CAR BUCKET)
(CADR BUCKET)))
(FOR BUCKET IN EMACS.XLIST DO (SETA EMACS.XCOMMANDS (CAR BUCKET)
(CADR BUCKET)))
(FOR I FROM 0 TO 255 DO (TEDIT.SETFUNCTION I (EMACS.COMMAND I)
TEDIT.READTABLE])
(EMACS.COMMAND
[LAMBDA (I) (* kbr%: "24-Jul-85 16:36")
`(LAMBDA (STREAM)
(EMACS.OPERATE ,I STREAM])
(EMACS.OPERATE
[LAMBDA (STREAM) (* kbr%: "27-Jul-86 17:26")
(* Accept token from user *)
(PROG (TEXTOBJ I N FN PTR CH)
(TTYDISPLAYSTREAM (fetch (EMACSSTREAM WINDOW) of STREAM))
(SETQ TEXTOBJ (fetch (EMACSSTREAM TEXTOBJ) of STREAM))
[while (\SYSBUFP) do (* Handle user type-in)
(SETQ I (\GETKEY))
(SETFILEPTR STREAM (fetch (EMACSSTREAM CARETPTR)
of STREAM))
(SETQ N 1)
(while (EQ I (CHARCODE ^U)) do (SETQ N (ITIMES 4 N))
(SETQ I (\GETKEY)))
[SELCHARQ I
((ESC ^Z)
(SETQ FN (ELT EMACS.MCOMMANDS (\GETKEY))))
(^X (SETQ FN (ELT EMACS.XCOMMANDS (\GETKEY))))
(COND
((ILESSP I 128)
(SETQ FN (ELT EMACS.COMMANDS I)))
((ILESSP I 256)
(SETQ FN (ELT EMACS.MCOMMANDS (IDIFFERENCE I 128]
(COND
((NULL FN) (* Insert char I N times.
*)
(* Handle blue pending delete, if
there is one.)
(TEDIT.DO.BLUEPENDINGDELETE SEL TEXTOBJ)
(SETQ PTR (GETFILEPTR STREAM))
(COND
([AND (NOT (ZEROP PTR))
(EQ (\BACKPEEKBIN STREAM)
(CHARCODE CR))
(NOT (MEMB I (CHARCODE (SP TAB]
(* Start of a def *)
(EMACS.FLUSH.CACHE)))
[COND
((IEQP N 1)
(TEDIT.\INSERT I SEL TEXTOBJ))
(T (SETQ CH (MKSTRING (CHARACTER I)))
(TEDIT.INSERT STREAM (ALLOCSTRING N CH]
(SETFILEPTR STREAM (IPLUS PTR N)))
(T (for J from 1 to N
do (APPLY* FN STREAM))
(COND
([AND (ILESSP I 256)
(NOT (BITTEST (ELT EMACS.SYNTAX I)
(LOGOR EMACS.CR EMACS.SD EMACS.BD]
(EMACS.FLUSH.CACHE]
(EMACS.SHOWCARET STREAM])
(EMACS.GETKEY
[LAMBDA NIL (* kbr%: "24-Jul-85 16:36")
(PROG (CODE)
(CARET 'OFF)
(SETQ CODE (\GETKEY))
(CARET T)
(RETURN CODE])
(EMACS
[LAMBDA (TEXT WINDOW DONTSPAWN PROPS) (* kbr%: "24-Jul-85 16:36")
(PROG (PROCESS) (* Get TEXT. *)
[COND
((AND (NOT (NULL TEXT))
(LITATOM TEXT))
(SETQ TEXT (OPENFILE TEXT 'INPUT 'OLD] (* Get WINDOW. *)
[COND
((NULL WINDOW)
(SETQ WINDOW (EMACS.WINDOW DONTSPAWN PROPS]
(COND
(DONTSPAWN (* Don't spawn a process.
*)
(RETURN (EMACS.TEDIT1 TEXT WINDOW T PROPS)))
(T (* Spawn a process.
*)
(SETQ PROCESS (ADD.PROCESS `(EMACS.PROCESS ',TEXT ',WINDOW ',PROPS)
'EMACS
'NO))
(TTY.PROCESS PROCESS)
(RETURN PROCESS])
(EMACS.PROCESS
[LAMBDA (TEXT WINDOW PROPS) (* kbr%: "24-Jul-85 16:36")
(PROG NIL
(WINDOWPROP WINDOW 'PROCESS (THIS.PROCESS))
(RETURN (EMACS.TEDIT1 TEXT WINDOW NIL PROPS])
(EMACS.TEDIT1
[LAMBDA (TEXT WINDOW UNSPAWNED PROPS) (* kbr%: "24-Jul-85 16:36")
(PROG (ANSWER)
(RESETLST
(RESETSAVE (TTYDISPLAYSTREAM WINDOW))
(RESETSAVE NIL (LIST 'INPUT (INFILE T)))
(RESETSAVE NIL (LIST 'OUTPUT (OUTFILE T)))
(SETQ ANSWER (\TEDIT1 TEXT WINDOW UNSPAWNED PROPS)))
(RETURN ANSWER])
(EMACS.WINDOW
[LAMBDA (DONTSPAWN PROPS) (* kbr%: "24-Jul-85 16:36")
(PROG (WINDOW)
[COND
((AND DONTSPAWN TEDIT.DEFAULT.WINDOW)
(SETQ WINDOW TEDIT.DEFAULT.WINDOW))
(T (SETQ WINDOW (TEDIT.CREATEW "Indicate region for EMACS"]
(WINDOWPROP WINDOW 'TEDIT.PROPS PROPS)
(RETURN WINDOW])
(EMACS.SETFILEPTR
[LAMBDA (STREAM PTR) (* kbr%: "24-Jul-85 16:36")
(* Patch around bug in TEDIT
SETFILEPTR. *)
(PROG NIL
(COND
((IGREATERP (GETEOFPTR STREAM)
0)
(SETFILEPTR STREAM PTR)
(SETFILEPTR STREAM PTR])
(EMACS.GETCARETPTR
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(PROG (SELECTION ANSWER)
(SETQ SELECTION (fetch (EMACSSTREAM SELECTION) of STREAM))
(SETQ ANSWER (SELECTQ (fetch (SELECTION POINT) of SELECTION)
(LEFT (SUB1 (fetch (SELECTION CH#) of SELECTION)))
(RIGHT (fetch (SELECTION CHLIM) of SELECTION))
(SHOULDNT)))
(RETURN ANSWER])
(EMACS.SETCARETPTR
[LAMBDA (STREAM PTR) (* kbr%: "24-Jul-85 16:36")
(* Move caret to new filepos.
*)
(PROG (EOF)
(SETQ EOF (GETEOFPTR STREAM))
(SETQ PTR (IMIN (IMAX PTR 0)
EOF))
(TEDIT.SETSEL STREAM (ADD1 PTR)
0
'LEFT)
(EMACS.SETFILEPTR STREAM PTR])
(EMACS.SHOWCARET
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(PROG (PTR)
(SETQ PTR (GETFILEPTR STREAM))
(EMACS.SETCARETPTR STREAM PTR)
(TEDIT.NORMALIZECARET (fetch (EMACSSTREAM TEXTOBJ) of STREAM))
(EMACS.SETFILEPTR STREAM PTR])
(EMACS.BOL
[LAMBDA (STREAM PTR) (* kbr%: "24-Jul-85 16:36")
(* Beginning of line wrt filepos
PTR. *)
(PROG (OLDPTR BOL)
(SETQ OLDPTR (GETFILEPTR STREAM))
(EMACS.SETFILEPTR STREAM PTR)
(EMACS.BSKIP STREAM EMACS.NONCR)
(SETQ BOL (GETFILEPTR STREAM))
(EMACS.SETFILEPTR STREAM OLDPTR)
(RETURN BOL])
(EMACS.EOL
[LAMBDA (STREAM PTR) (* kbr%: "24-Jul-85 16:36")
(* End of line wrt filepos PTR.
*)
(PROG (OLDPTR EOL)
(SETQ OLDPTR (GETFILEPTR STREAM))
(EMACS.SETFILEPTR STREAM PTR)
(EMACS.FSKIP STREAM EMACS.NONCR)
(SETQ EOL (GETFILEPTR STREAM))
(EMACS.SETFILEPTR STREAM OLDPTR)
(RETURN EOL])
(EMACS.DELETE.BYTES
[LAMBDA (STREAM PTR1 PTR2) (* kbr%: "19-Feb-85 15:11")
(* Delete between PTR1 & PTR2
inclusive. *)
(PROG (PTR LENGTH)
(SETQ PTR (GETFILEPTR STREAM))
(SETQ PTR1 (IMAX 0 PTR1))
(SETQ PTR2 (IMIN (GETEOFPTR STREAM)
PTR2))
(SETQ LENGTH (IPLUS PTR2 (IMINUS PTR1)
1))
(TEDIT.DELETE STREAM (ADD1 PTR1)
LENGTH)
(COND
((ILEQ PTR PTR1)
(EMACS.SETFILEPTR STREAM PTR))
((ILEQ PTR PTR2)
(EMACS.SETFILEPTR STREAM PTR1))
(T (EMACS.SETFILEPTR STREAM (IDIFFERENCE PTR LENGTH])
(EMACS.BOFP
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(ZEROP (GETFILEPTR STREAM])
(EMACS.EOFP
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(IEQP (GETFILEPTR STREAM)
(GETEOFPTR STREAM])
(EMACS.CCHAR
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(* Caret char. Char being pointed at
by caret. *)
(PROG (ANSWER)
(SETQ ANSWER (\BIN STREAM))
(\BACKBIN STREAM)
(RETURN ANSWER])
(EMACS.PEEKBIN
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(PROG (PTR ANSWER)
(SETQ PTR (GETFILEPTR STREAM))
(SETQ ANSWER (\BIN STREAM))
(EMACS.SETFILEPTR STREAM PTR)
(RETURN ANSWER])
(EMACS.FBYTE
[LAMBDA (STREAM) (* kbr%: "19-Feb-85 15:11")
(* Forward a char.
*)
(COND
((NOT (EMACS.EOFP STREAM))
(\BIN STREAM])
(EMACS.FWORD
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(* Forward a word.
*)
(PROG NIL
(EMACS.FSKIP STREAM EMACS.WS)
(EMACS.FSKIP STREAM EMACS.NONWS])
(EMACS.BYTEP
[LAMBDA (N) (* kbr%: "24-Jul-85 16:38")
(AND (SMALLP N)
(ILESSP N 256)
N])
(EMACS.FSKIP
[LAMBDA (STREAM CLASS LIMIT) (* kbr%: "24-Jul-85 16:36")
(* Skip chars in CLASS.
*)
[COND
((NULL LIMIT)
(SETQ LIMIT (GETEOFPTR STREAM]
(PROG NIL
(while (AND (ILESSP (GETFILEPTR STREAM)
LIMIT)
(BITTEST (ELT EMACS.SYNTAX (OR (EMACS.BYTEP (EMACS.PEEKBIN STREAM))
256))
CLASS)) do (\BIN STREAM])
(EMACS.FSKIPTO
[LAMBDA (STREAM CLASS) (* kbr%: "24-Jul-85 16:36")
(* Skip chars in CLASS.
*)
(PROG NIL
(WHILE (AND (NOT (EMACS.EOFP STREAM))
(NOT (BITTEST (ELT EMACS.SYNTAX (OR (EMACS.BYTEP (\BIN STREAM))
256))
CLASS))) DO (* Continue reading.
*)])
(EMACS.BBYTE
[LAMBDA (STREAM) (* kbr%: "19-Feb-85 15:12")
(* Backward a byte.
*)
(COND
((NOT (EMACS.BOFP STREAM))
(\BACKBIN STREAM])
(EMACS.BCHAR
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(* Backward a char.
*)
(PROG NIL
(COND
((NOT (EMACS.BOFP STREAM))
(\BACKBIN STREAM])
(EMACS.BPEEKCHAR
[LAMBDA (STREAM) (* kbr%: "19-Feb-85 15:12")
(* Backwards peek at char.
*)
(PROG (PTR BYTE)
(SETQ PTR (GETFILEPTR STREAM))
(SETQ BYTE (EMACS.BCHAR STREAM))
(SETFILEPTR STREAM PTR)
(RETURN BYTE])
(EMACS.BWORD
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(* Backward a word.
*)
(PROG NIL
(EMACS.BSKIP STREAM EMACS.WS)
(EMACS.BSKIP STREAM EMACS.NONWS])
(EMACS.BSKIP
[LAMBDA (STREAM CLASS LIMIT) (* kbr%: "24-Jul-85 16:36")
(* Skip chars in CLASS.
*)
(COND
((NULL LIMIT)
(SETQ LIMIT 0)))
(PROG NIL
(while (AND (IGREATERP (GETFILEPTR STREAM)
LIMIT)
(BITTEST (ELT EMACS.SYNTAX (OR (EMACS.BYTEP (\BACKPEEKBIN STREAM))
256))
CLASS)) do (\BACKBIN STREAM])
(EMACS.BSKIPTO
[LAMBDA (STREAM CLASS) (* kbr%: "24-Jul-85 16:36")
(* Skip chars in CLASS.
*)
(PROG NIL
(WHILE (AND (NOT (EMACS.BOFP STREAM))
(NOT (BITTEST (ELT EMACS.SYNTAX (OR (EMACS.BYTEP (\BACKBIN STREAM))
256))
CLASS))) DO (* Continue reading.
*)])
(EMACS.SET.EOF
[LAMBDA (STREAM PTR) (* kbr%: "19-Feb-85 15:12")
(* Temporarily reset eof of STREAM.
*)
(PROG NIL
(replace (STREAM EPAGE) of STREAM with (LRSH PTR 8))
(replace (STREAM EOFFSET) of STREAM with (LOGAND PTR 255))
(replace (TEXTOBJ TEXTLEN) of (fetch (EMACSSTREAM TEXTOBJ) of STREAM)
with PTR])
(EMACS.GOTO.BOL
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(* Go to beginning of line.
*)
(PROG NIL
(EMACS.BSKIP STREAM EMACS.NONCR])
(EMACS.BACK.BYTE
[LAMBDA (STREAM) (* kbr%: "19-Feb-85 15:12")
(* Go back a byte.
*)
(PROG NIL
(EMACS.BBYTE STREAM])
(EMACS.FWD.DELETE.BYTE
[LAMBDA (STREAM) (* kbr%: "19-Feb-85 15:12")
(* Delete byte. *)
(PROG (PTR)
(SETQ PTR (GETFILEPTR STREAM))
(EMACS.DELETE.BYTES STREAM PTR PTR])
(EMACS.GOTO.EOL
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(* Go to end of line.
*)
(PROG NIL
(EMACS.FSKIP STREAM EMACS.NONCR])
(EMACS.FWD.BYTE
[LAMBDA (STREAM) (* kbr%: "19-Feb-85 15:12")
(* Go forward a byte.
*)
(PROG NIL
(EMACS.FBYTE STREAM])
(EMACS.KILL.LINE
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(* Delete a line. *)
(PROG (PTR EOL)
(SETQ PTR (GETFILEPTR STREAM))
(EMACS.FSKIP STREAM EMACS.NONCR)
(SETQ EOL (GETFILEPTR STREAM))
(COND
((IGREATERP EOL PTR)
(EMACS.DELETE.CHARS STREAM PTR (SUB1 EOL)))
((ILESSP EOL (GETEOFPTR STREAM))
(EMACS.DELETE.CHARS STREAM EOL EOL)))
(EMACS.SETFILEPTR STREAM PTR])
(EMACS.DELETE.CHARS
[LAMBDA (STREAM PTR1 PTR2) (* kbr%: "18-Jun-86 23:23")
(* Delete between PTR1 & PTR2
inclusive. *)
(PROG (PTR LENGTH)
(SETQ PTR (GETFILEPTR STREAM))
(SETQ PTR1 (IMAX 0 PTR1))
(SETQ PTR2 (IMIN (GETEOFPTR STREAM)
PTR2))
(SETQ LENGTH (IPLUS PTR2 (IMINUS PTR1)
1))
(TEDIT.DELETE STREAM (ADD1 PTR1)
LENGTH)
(COND
((ILEQ PTR PTR1)
(SETFILEPTR STREAM PTR))
((ILEQ PTR PTR2)
(SETFILEPTR STREAM PTR1))
(T (SETFILEPTR STREAM (IDIFFERENCE PTR LENGTH])
(EMACS.REDISPLAY
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(* Redisplay EMACS screen.
*)
(PROG (PTR)
(SETQ PTR (GETFILEPTR STREAM))
(REDISPLAYW (fetch (EMACSSTREAM WINDOW) of STREAM))
(EMACS.SETFILEPTR STREAM PTR])
(EMACS.NEXT.LINE
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(* Go down a line.
*)
(PROG (PTR BOL EOL NBOL NEOL OFFSET)
(SETQ PTR (GETFILEPTR STREAM))
(SETQ BOL (EMACS.BOL STREAM PTR)) (* First char on line is at OFFSET =
0.0 *)
(SETQ OFFSET (IPLUS PTR (IMINUS BOL)))
(SETQ EOL (EMACS.EOL STREAM PTR))
(SETQ NBOL (ADD1 EOL))
(COND
((ILEQ (GETEOFPTR STREAM)
NBOL)
(EMACS.SETFILEPTR STREAM (GETEOFPTR STREAM)))
(T (SETQ NEOL (EMACS.EOL STREAM NBOL))
(SETQ OFFSET (IMIN OFFSET (IDIFFERENCE NEOL NBOL)))
(EMACS.SETFILEPTR STREAM (IPLUS NBOL OFFSET])
(EMACS.PREVIOUS.LINE
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(* Go up a line. *)
(PROG (PTR BOL PBOL PEOL OFFSET)
(SETQ PTR (GETFILEPTR STREAM))
(SETQ BOL (EMACS.BOL STREAM PTR)) (* First char on line is at OFFSET =
0.0 *)
(SETQ OFFSET (IPLUS PTR (IMINUS BOL)))
(SETQ PEOL (SUB1 BOL))
(COND
((IGEQ 0 PEOL)
(EMACS.SETFILEPTR STREAM 0))
(T (SETQ PBOL (EMACS.BOL STREAM PEOL))
(SETQ OFFSET (IMIN OFFSET (IDIFFERENCE PEOL PBOL)))
(EMACS.SETFILEPTR STREAM (IPLUS PBOL OFFSET])
(EMACS.QUOTE.BYTE
[LAMBDA (STREAM) (* kbr%: "18-Jun-86 22:59")
(* Quote next byte.
*)
(PROG (PTR CH) (* TBW%: Fix use TEDIT's use of
terminal table. *)
(SETQ PTR (GETFILEPTR STREAM))
(SETQ CH (\GETKEY))
(TEDIT.INSERT STREAM CH (ADD1 PTR))
(EMACS.SETFILEPTR STREAM (ADD1 PTR])
(EMACS.SEARCH
[LAMBDA (STREAM) (* kbr%: "18-Jun-86 23:12")
(* Case sensitive search, with "*"
and "#" wildcards *)
(PROG (PTR TEXTOBJ W OFILE SEL CH)
(SETQ PTR (GETFILEPTR STREAM))
(SETQ TEXTOBJ (fetch (EMACSSTREAM TEXTOBJ) of STREAM))
(SETQ W (fetch (EMACSSTREAM WINDOW) of STREAM))
(ERSETQ (RESETLST
[RESETSAVE (\TEDIT.MARKACTIVE TEXTOBJ)
'(AND (\TEDIT.MARKINACTIVE OLDVALUE]
(replace (TEXTOBJ EDITOPACTIVE) of TEXTOBJ with 'Find)
(SETQ OFILE (WINDOWPROP W 'TEDIT.LAST.FIND.STRING))
[SETQ OFILE (TEDIT.GETINPUT STREAM "Text to find: " OFILE
(CHARCODE (EOL LF ESC ^S]
[COND
(OFILE (WINDOWPROP W 'TEDIT.LAST.FIND.STRING OFILE)
(SETQ SEL (fetch (TEXTOBJ SEL) of TEXTOBJ))
(\SHOWSEL SEL NIL NIL)
(RESETLST
(RESETSAVE (CURSOR WAITINGCURSOR))
(SETQ CH (TEDIT.FIND TEXTOBJ (MKSTRING OFILE)
NIL NIL T)))
(COND
(CH (* We found the target text.)
(* Set up SELECTION to be the found
text)
(replace (SELECTION CH#) of SEL with (CAR CH))
(replace (SELECTION CHLIM) of SEL with
(CADR CH))
[replace (SELECTION DCH) of SEL
with (ADD1 (IDIFFERENCE (CADR CH)
(CAR CH]
(replace (SELECTION POINT) of SEL with
'RIGHT)
(TEDIT.RESET.EXTEND.PENDING.DELETE SEL)
(* And never pending a deletion.)
(\FIXSEL SEL TEXTOBJ)
(TEDIT.NORMALIZECARET TEXTOBJ)
(\SHOWSEL SEL NIL T)
(EMACS.SETFILEPTR STREAM (EMACS.GETCARETPTR STREAM))
(* And get it into the window *)
)
(T (FRESHLINE PROMPTWINDOW)
(printout PROMPTWINDOW "String '" OFILE "' not found." T)
(\SHOWSEL SEL NIL T)
(EMACS.SETFILEPTR STREAM PTR]
(replace (TEXTOBJ \INSERTNEXTCH) of TEXTOBJ with -1))])
(EMACS.TRANSPOSE.BYTES
[LAMBDA (STREAM) (* kbr%: "19-Feb-85 15:12")
(* Transpose bytes.
*)
(PROG (PTR CODE CH)
(COND
((OR (EMACS.BOFP STREAM)
(EMACS.EOFP STREAM))
(RETURN)))
(SETQ PTR (GETFILEPTR STREAM))
(SETQ CODE (\BIN STREAM))
(COND
[(NUMBERP CODE)
(SETQ CH (MKSTRING (CHARACTER CODE]
(T (* IMAGEOBJ *)
(SETQ CH CODE)))
(EMACS.DELETE.BYTES STREAM PTR PTR)
(EMACS.SETFILEPTR STREAM (SUB1 PTR))
(TEDIT.INSERT STREAM CH PTR)
(EMACS.SETFILEPTR STREAM (ADD1 PTR])
(EMACS.NEXT.SCREENFULL
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(* Forward one screenfull.
*)
(PROG (WINDOW DELTAX DELTAY)
(SETQ WINDOW (fetch (EMACSSTREAM WINDOW) of STREAM))
(SETQ DELTAX 0)
[SETQ DELTAY (IDIFFERENCE (WINDOWPROP WINDOW 'HEIGHT)
(FONTPROP (DSPFONT NIL WINDOW)
'HEIGHT]
(replace (TEXTOBJ EDITOPACTIVE) of (fetch (EMACSSTREAM TEXTOBJ) of STREAM)
with NIL)
(\TEDIT.SCROLLFN WINDOW DELTAX DELTAY])
(EMACS.CXCV
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(* Visit a file. *)
(PROG (FILE)
(SETQ FILE (TEDIT.GETINPUT (fetch (EMACSSTREAM TEXTOBJ) of STREAM)
"File to GET:"))
(COND
((NULL FILE)
(RETURN)))
(COND
((fetch (EMACSSTREAM DIRTY) of STREAM)
(EMACS.CXCW STREAM)))
(TEDIT.GET (fetch (EMACSSTREAM TEXTOBJ) of STREAM)
FILE)
(EMACS.SETFILEPTR STREAM 0])
(EMACS.CXCW
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(* Write buffer out to file.
*)
(PROG NIL
(TEDIT.PUT (fetch (EMACSSTREAM TEXTOBJ) of STREAM])
(EMACS.CXCZ
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(* Eval FORM in front of caret in
lisp EXEC process.
*)
(PROG (FORM)
(SETQ FORM (READ STREAM EMACS.READTABLE))
(PROCESS.EVAL 'EXEC FORM])
(EMACS.FWD.SEXPR
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(* Go forward a sexpr.
*)
(PROG NIL
(RESETLST (* Accept uncaught BQUOTE commas.
*)
(RESETSAVE \BQUOTELEVEL (IQUOTIENT MAX.FIXP 2))
(READ STREAM EMACS.READTABLE))])
(EMACS.BACK.DELETE.BYTE
[LAMBDA (STREAM) (* kbr%: "19-Feb-85 15:12")
(* Delete byte in backwards
direction. *)
(* TBW%: Delete selection if there
is a selection. *)
(PROG (PTR)
(SETQ PTR (GETFILEPTR STREAM))
(EMACS.DELETE.BYTES STREAM (SUB1 PTR)
(SUB1 PTR])
(EMACS.GOTO.BOD
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(* Go to top of definition.
*)
(PROG (CODE) (* Find non-WS immediately preceded
by CR. *)
(EMACS.BCHAR STREAM)
(DO (COND
((EMACS.BOFP STREAM)
(RETURN)))
(EMACS.BSKIP STREAM EMACS.NONCR)
(COND
((BITTEST (ELT EMACS.SYNTAX (EMACS.CCHAR STREAM))
EMACS.NONWS)
(RETURN)))
(EMACS.BCHAR STREAM])
(EMACS.BOD
[LAMBDA (STREAM) (* kbr%: "19-Feb-85 15:12")
(* Determine top of definition.
*)
(PROG (PTR ANSWER)
(SETQ PTR (GETFILEPTR STREAM)) (* Find lparen preceded by CR.
*)
(EMACS.BSKIP STREAM EMACS.CR)
(DO (COND
((EMACS.BOFP STREAM)
(RETURN)))
(EMACS.BSKIP STREAM EMACS.NONCR)
(COND
((EMACS.BOFP STREAM)
(RETURN)))
(COND
((OR (EMACS.BOFP STREAM)
(EQ (\PEEKBIN STREAM)
(CHARCODE "(")))
(RETURN)))
(EMACS.BBYTE STREAM))
(SETQ ANSWER (GETFILEPTR STREAM))
(SETFILEPTR STREAM PTR)
(RETURN ANSWER])
(EMACS.GOTO.EOD
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(* Go to top of next definition.
*)
(PROG (CODE) (* Find non-WS immediately preceded
by CR. *)
(EMACS.FCHAR STREAM)
(DO (COND
((EMACS.EOFP STREAM)
(RETURN)))
(EMACS.FSKIP STREAM EMACS.NONCR)
(EMACS.FCHAR STREAM)
(COND
((BITTEST (ELT EMACS.SYNTAX (EMACS.CCHAR STREAM))
EMACS.NONWS)
(RETURN])
(EMACS.EOD
[LAMBDA (STREAM) (* kbr%: "19-Feb-85 15:12")
(* Determine top of next definition.
*)
(PROG (PTR ANSWER)
(SETQ PTR (GETFILEPTR STREAM)) (* Find two CRs. *)
(EMACS.FSKIP STREAM EMACS.CR)
[DO (COND
((EMACS.EOFP STREAM)
(RETURN)))
(EMACS.FSKIP STREAM EMACS.NONCR)
(COND
((EMACS.EOFP STREAM)
(RETURN)))
(EMACS.FBYTE STREAM)
(COND
((OR (EMACS.EOFP STREAM)
(EQ (\PEEKBIN STREAM)
(CHARCODE CR)))
(\BACKBIN STREAM)
(RETURN]
(SETQ ANSWER (GETFILEPTR STREAM))
(SETFILEPTR STREAM PTR)
(RETURN ANSWER])
(EMACS.KILL.SEXPR
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(* Delete expression.
*)
(PROG (PTR1 PTR2)
(SETQ PTR1 (GETFILEPTR STREAM))
(READ STREAM EMACS.READTABLE)
(SETQ PTR2 (GETFILEPTR STREAM))
(EMACS.DELETE.CHARS STREAM PTR1 (SUB1 PTR2))
(EMACS.SETFILEPTR STREAM PTR1])
(EMACS.GOTO.BOF
[LAMBDA (STREAM) (* kbr%: "24-Jul-85 16:36")
(* Go to beginning of file.
*)
(PROG NIL
(EMACS.SETFILEPTR STREAM 0])
(EMACS.GOTO.EOF