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exec/execed.mac
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; Edit= 4441 to EXECED.MAC on 21-May-90 by GSCOTT
;Clear flags in Z in EDXITB to prevent bad flags passed to EXEC0 to run the
;editor (thanks MRC).
; Edit= 4434 to EXECED.MAC on 11-May-90 by GSCOTT
;Pass device and directory as well as filename to EMACS in rescan buffer.
; Edit= 4433 to EXECED.MAC on 7-May-90 by GSCOTT
;Default EMCSSW on, reuse old EMACS fork at .EMCSF+2.
; UPD ID= 4116, RIP:<7.EXEC>EXECED.MAC.2, 7-Mar-88 18:22:51 by GSCOTT
;TCO 7.1255 - Update copyright notice.
; Edit 3009 to EXECED.MAC by SANTIAGO on 12-Aug-85, for SPR #15502 (TCO 6-1-1513)
; Make EDIT require confirmation if file to be edited has archive status
; UPD ID= 226, SNARK:<6.1.EXEC>EXECED.MAC.7, 10-Jun-85 08:43:35 by DMCDANIEL
; UPD ID= 169, SNARK:<6.1.EXEC>EXECED.MAC.6, 3-May-85 08:30:19 by DMCDANIEL
;Update copyrights for 6.1.
; UPD ID= 17, SNARK:<6.1.EXEC>EXECED.MAC.5, 29-Sep-84 21:06:55 by PRATT
;TCO 6.1.1018 - Move ASOUT to EXECSU since it's globally usefull.
; UPD ID= 387, SNARK:<6.EXEC>EXECED.MAC.13, 22-Feb-84 09:38:20 by PAETZOLD
;More TCO 6.1977 - Fix up edit history from last change
; UPD ID= 386, SNARK:<6.EXEC>EXECED.MAC.12, 21-Feb-84 18:21:15 by PAETZOLD
;TCO 6.1977 - Add SEDX as another name for SED
; UPD ID= 241, SNARK:<6.EXEC>EXECED.MAC.11, 15-Jan-83 19:24:39 by CHALL
;TCO 6.1464 - UPDATE COPYRIGHT NOTICE
; UPD ID= 191, SNARK:<6.EXEC>EXECED.MAC.10, 8-Nov-82 15:39:40 by LOMARTIRE
;TCO 6.1347 - Make error routine at EDLOST: place EDITOR: name in ATMBUF
; UPD ID= 184, SNARK:<6.EXEC>EXECED.MAC.9, 21-Oct-82 00:17:15 by CHALL
;TCO 6.1323 - FIX NON-RECOG ON "ED FOO$$" (GIVES OUTPUT FILE AS NEXT GEN)
; UPD ID= 179, SNARK:<6.EXEC>EXECED.MAC.8, 8-Oct-82 18:12:58 by CHALL
;TCO 6.1305 ADD CODE FOR THE "PERUSE" (READ-ONLY) COMMAND
;MAKE GENERAL CODE AND FORMATTING IMPROVEMENTS
; UPD ID= 92, SNARK:<6.EXEC>EXECED.MAC.5, 8-Jan-82 15:51:26 by CHALL
;TCO 6.1052 - UPDATE COPYRIGHT NOTICE AND DELETE PRE-V4.1 EDIT HISTORY
; UPD ID= 79, SNARK:<6.EXEC>EXECED.MAC.4, 6-Nov-81 12:59:46 by CHALL
;TCO 5.1606 .EMCSA- ADD SETZM STAYF BEFORE JRST ..CONT
; UPD ID= 62, SNARK:<6.EXEC>EXECED.MAC.3, 2-Oct-81 10:44:49 by CHALL
;TCO 5.1540 - PUT EMACS CODE UNDER EMCSSW (NOT XTND)
; UPD ID= 33, SNARK:<6.EXEC>EXECED.MAC.2, 17-Aug-81 13:25:59 by CHALL
;TCO 5.1454 CHANGE NAMES FROM CANDE TO EXECED AND XDEF TO EXECDE
; UPD ID= 1073, SNARK:<5.EXEC>EXECED.MAC.6, 30-Sep-80 14:49:38 by OSMAN
;More 1068 - Change $NAME ($EMACS) to ENAME (EEMACS), GLXLIB conflict on $NAME
; UPD ID= 1068, SNARK:<5.EXEC>EXECED.MAC.5, 30-Sep-80 13:56:06 by HESS
; Check FDB (.FBUSW) for ITS-TECO based editor
; UPD ID= 983, SNARK:<5.EXEC>EXECED.MAC.4, 3-Sep-80 12:43:33 by HESS
; Don't call ERESET for new EMACS invocation
; UPD ID= 550, SNARK:<5.EXEC>EXECED.MAC.3, 23-May-80 13:35:58 by MURPHY
;MAKE CREATE/START USE SAME LOGIC AS IMPLICIT RUN
;<4.1.EXEC>EXECED.MAC.4, 27-Feb-80 08:34:45, EDIT BY OSMAN
;tco 4.1.1090 - Improve error messages
; UPD ID= 199, SNARK:<4.1.EXEC>EXECED.MAC.3, 10-Jan-80 14:01:54 by OSMAN
;tco 4.1.1063 - Make ;X in TV ask for filespec on "EDIT FOO.BAR$" command
;<4.1.EXEC>EXECED.MAC.2, 31-Oct-79 10:08:48, EDIT BY OSMAN
;tco 4.1.1002 - Fix "EDIT /ISAVE:5 FOO.BAR" followed by "EDIT"
; COPYRIGHT (c) DIGITAL EQUIPMENT CORPORATION 1976, 1990.
; ALL RIGHTS RESERVED.
;
; THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND COPIED
; ONLY IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE AND WITH THE
; INCLUSION OF THE ABOVE COPYRIGHT NOTICE. THIS SOFTWARE OR ANY OTHER
; COPIES THEREOF MAY NOT BE PROVIDED OR OTHERWISE MADE AVAILABLE TO ANY
; OTHER PERSON. NO TITLE TO AND OWNERSHIP OF THE SOFTWARE IS HEREBY
; TRANSFERRED.
;
; THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT NOTICE
; AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL EQUIPMENT
; CORPORATION.
;
; DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR RELIABILITY OF ITS
; SOFTWARE ON EQUIPMENT THAT IS NOT SUPPLIED BY DIGITAL.
SEARCH EXECDE
TTITLE EXECED - CREATE READ AND EDIT COMMANDS
;PROCESSOR/COMMAND TABLES
;MACRO TO DEFINE THE EDITOR NAME, ITS SWITCHES, AND WHEN SWITCHES ARE LEGAL
;THE ARGUMENTS ARE (NAME,SWITCH-ADDR,SWITCH-FLAG,ROUTINE)
;NAME ASCIZ EDITOR NAME
;SWITCH-ADDR COMND BLOCK TO PARSE SWITCHES
;SWITCH-FLAG 0==SWITCHES ARE LEGAL ONLY AFTER COMMAND NAME (EDIT, CREATE)
; -1==SWITCHES ARE LEGAL ANYWHERE IN THE COMMAND
;ROUTINE ADDRESS OF ROUTINE BLOCK DESCRIBED BELOW
;THE LABEL OF THE ARGUMENT LIST FOR EACH EDITOR IS E'NAME:
;THE ROUTINES AT ADDRESS "ROUTINE" ARE:
;ENTRY IS AT OFFSET:
; 0 := EDIT "INFILE" (NON-SKIP TO IGNORE OUTPUT SPEC)
; 1 := EDIT "INFILE" "OUTFILE"
; 2 := JUST BEFORE FORK CREATE (EDITOR IN EDJFN), C(A) := RESCAN PNTR
; 3 := EDIT<CR> TYPED
DEFINE EDLIST <
ED (EDIT,SWEDIT,-1,.EDSOS) ;SWITCHES ARE ONLY LEGAL AFTER COMMAND NAME
ED (EMACS, 0, 0,.EMCS) ;NO SWITCHES
ED (SED, SWSED, 0,.EDSED) ;SWITCHES ARE LEGAL ANYWHERE
ED (SEDX, SWSED, 0,.EDSED) ;SAME AS SED
ED (TV, 0, 0,.EDTV) ;NO SWITCHES
>
SWEDIT: FLDDB. .CMSWI,,$ETBL
SWSED: FLDDB. .CMSWI,,$STBL
;GENERAL ERROR MESSAGES
ERRIFS: ASCIZ /Invalid switch or input filespec - %?/
ERROFS: ASCIZ /Invalid switch or output filespec - %?/
ERRIFL: ASCIZ /Invalid input filespec - %?/
ERROFL: ASCIZ /Invalid output filespec - %?/
DEFINE ED (NAME,SWHADR,SWHFLG,ROUTIN),<
E'NAME:![ASCIZ "NAME"],,[ROUTIN,,[SWHFLG,,SWHADR]]
>
EDTAB: TABLE
EDLIST
TEND
EDELS: 0,,[.EDTV,,[0,,0]] ;DEFAULT IF EDITOR: IS NOT DEFINED
EDLOST: PUSH P,A
MOVE A,.LNSJB
HRROI B,[ASCIZ/EDITOR/]
HRROI C,ATMBUF
LNMST
ERJMP .+1
POP P,A
CMERRX <Can't find editor>
;PERUSE COMMAND
.EDITP::HRLI P5,1 ;LOOKS LIKE CREATE UNTIL THE END,
JRST EDIT0 ; WHEN THE COMMAND IS "PERUSE", NOT "EDIT"
;CREATE COMMAND
.EDITC::TLOA P5,-1 ;SET THE CREATE FLAG. AND SKIP
;EDIT COMMAND
.EDIT:: SETZ P5,
EDIT0: TLZ Z,F1!F2 ;CLEAR TEMP FLAGS
TRVAR <EDJFN,EINJFN,EOJFN,EDCNT,EDPTR,<ARCINF,.FBBBT-.FBCTL+1>>
SETZM EINJFN
SETOM EOJFN
UDEXT [GETSAVE()] ;SET UP CJFNBK FOR DEFAULT EXTENSION
MOVX A,GJ%OLD ;OLD FILE ONLY
MOVEM A,CJFNBK+.GJGEN ;SAVE FLAGS
MOVE A,[.NULIO,,.NULIO]
MOVEM A,CJFNBK+.GJSRC ;NO INPUT
MOVEI A,CJFNBK ;LONG GTJFN BLOCK
HRROI B,[ASCIZ /EDITOR:/]
CALL GTJFS ;LOOK FOR IT
JRST EDLOST
MOVEM A,EDJFN ;SAVE EDITOR JFN HERE
MOVE A,JBUFP
MOVEM A,.JBUFP ;SAVE THIS JFN FOR LATER
MOVE A,CSBUFP
MOVE B,EDJFN
MOVX C,FLD(.JSAOF,JS%NAM)
JFNS
MOVEI A,EDTAB ;TABLE OF EDITORS
MOVE B,CSBUFP ;FIND THE NAME OF THE EDITOR
TBLUK
TXNN B,TL%EXM ;MATCH?
CALL EDITNM ;NO - CHECK FDB(.FBUSW)
HRRZ A,0(A) ;POINT TO MORE INFO
HLR P5,0(A) ;SAVE ROUTINE ADDRS
HRRZ Q2,0(A) ;GET ADDRESS OF SWITCH BLOCK
NOISE (FILE)
MOVE A,CMPTR ;GET POINTER TO REST OF COMMAND
MOVEM A,EDPTR ;REMEMBER IT
MOVE A,CMCNT ;GET CURRENT COUNT
MOVEM A,EDCNT ;AND REMEMBER IT
EDIT1: MOVEI B,EDTINF ;SET TO PARSE EDIT'S INPUT FILESPEC, ETC.
CAIGE P5,0 ;REALLY WANT CREATE?
MOVEI B,EDTOUF ;YES - SET UP CREATE'S INSTEAD
HRRZ A,(Q2) ;SET UP SWITCH ADDRESS OR ZERO
MOVE C,(B)
MOVE C,(B)
HRRM A,(C)
MOVE Q1,CMCNT ;SAVE COUNT JUST BEFORE FILE
CALL FLDSKP ;GET SOMETHING
CAIA ;ON ERROR, CHECK FOR NEW FILE
JRST EDIT1A
JUMPL P5,EDIT2A ;NO OTHER CHOICES IF CREATE
MOVEI B,EDTOUF ;OTHERWISE ALLOW CREATE OPTIONS AS SECOND CHOICE
HRRZ A,(Q2) ;SET UP SWITCH ADDRESS OR ZERO
MOVE C,(B) ;YES - PUT EDITOR'S SWITCH BLOCK AFTER THE REST
MOVE C,(B)
HRRM A,(C)
CALL FLDSKP
JRST EDIT2A ;NO MORE CHANCES
EDIT1A: LDB C,[POINTR <0(C)>,CM%FNC] ;GET CODE USED
CAIN C,.CMCFM ;CR TYPED?
JRST EDAGN ;YES - USE LAST
CAIN C,.CMSWI ;SWITCH?
JRST [CALL EDSWT ;YES - HANDLE IT
RET
JRST EDIT1] ;AND SEE WHAT'S NEXT
CAIE C,.CMIFI ;INPUT FILESPEC?
CAIN C,.CMOFI ;OR OUTPUT
JRST EDIT3 ;YES - PROCEED
;HERE IF THE COMMAND IS FLAKY - GIVE SOME KIND OF ERROR MESSAGE
EDIT2A: JUMPGE P5,EDT2A2 ;JUMP IF CREATING
MOVEI A,ERRIFS ;PERUSE OR EDIT - ASSUME THERE ARE SWITCHES
SKIPN (Q2) ;ARE THERE REALLY?
MOVEI A,ERRIFL ;OF COURSE NOT - SET FOR NO SWITCHES
EDT2A1: UERR (A) ;PRINT THE CORRECT ERROR
EDT2A2: MOVEI A,ERROFS ;CREATE - ASSUME THERE ARE SWITCHES
SKIPN (Q2) ;ARE THERE REALLY?
MOVEI A,ERROFL ;OF COURSE NOT - SET FOR NO SWITCHES
JRST EDT2A1 ;GO PRINT THE CORRECT ERROR
EDIT3: SUBM Q1,EDCNT ;COMPUTE -# CHARS IN SWITCHES
MOVEM B,EINJFN ;REMEMBER INPUT JFN
SKIPL P5 ;CREATE COMMAND?
TXNE A,CM%EOC ;NO - ALL DONE?
JRST EDXIT ;YES - EXIT
CALL @0(P5) ;INVOKE ROUTINE TO HANDLE INPUT FILESPEC
JRST EDXIT ;EXIT IF NON-SKIP GIVEN
TLNE P5,1 ;PERUSE COMMAND?
JRST EDXIT ;YES - EXIT
NOISE (OUTPUT AS)
MOVE B,EINJFN ;GET JFN BACK
SETZM CJFNBK+.GJDIR ;USE STANDARD DEFAULT FOR OUTPUT DIRECTORY
MOVSI C,(1B8) ;READ FILENAME
CALL EDJFNS
MOVEM A,CJFNBK+.GJNAM
MOVSI C,(1B11) ;READ EXTENSION
CALL EDJFNS
MOVEM A,CJFNBK+.GJEXT
LDF A,GJ%FOU!GJ%MSG
MOVEM A,CJFNBK
;NOW ASK FOR NAME OF OUTPUT FILE
EDXXX: MOVEI B,EDTFIL ;(USE .CMFIL SO DEFAULTING WILL WORK)
SKIPG A,(Q2) ;WANT TO ASK FOR SWITCHES TOO?
SETZ A, ;NO - CLEAR SWITCH BLOCK ADDRESS
MOVE C,(B) ;YES - PUT EDITOR'S SWITCH BLOCK AFTER THE REST
MOVE C,(B)
HRRM A,(C)
CALL FLDSKP ;GET OUTPUT SPEC; DETECT CONFIRMATION
CMERRX
LOAD D,CM%FNC,.CMFNP(C) ;SEE WHAT GOT TYPED
CAIN D,.CMSWI ;SWITCH?
JRST [CALL EDSWT ;YES - HANDLE IT
RET
JRST EDXXX] ;AND SEE WHAT'S NEXT
CAIN D,.CMCFM ;CONFIRMATION?
JRST EDXIT2 ;YES, NO FILESPEC
MOVEM B,EOJFN ;SAVE OUTPUT JFN
CALL @1(P5) ;ROUTINE TO HANDLE OUTPUT FILESPEC
NOP ;NO ALTERNATE PATH
;;; FALL INTO EDXIT
EDXIT: MOVEI B,EDTCFM
SKIPG A,(Q2) ;WANT TO ASK FOR SWITCHES TOO?
SETZ A, ;NO - CLEAR SWITCH BLOCK ADDRESS
HRRM A,(B)
CALL FLDSKP ;GET CONFIRMATION OR MAYBE SWITCHES
CMERRX
LOAD D,CM%FNC,.CMFNP(C) ;SEE WHAT GOT TYPED
CAIE D,.CMSWI ;SWITCH?
JRST EDXIT2 ;NO - CONFIRMATION - FINISH THE COMMAND
CALL EDSWT ;YES - HANDLE IT
RET
JRST EDXIT ;AND SEE WHAT'S NEXT
EDXIT2: MOVE A,EINJFN ;GET JFN OF INPUT FILE
MOVE B,[.FBBBT-.FBCTL+1,,.FBCTL] ;LENGTH, START OF FDB INFO
MOVEI C,ARCINF ;PUT IT HERE
GTFDB% ;GET WORDS FROM FDB
ERJMP EDX22 ;CAN'T GET FDB, SO DON'T DO TESTING
MOVE A,ARCINF ;GET WORD .FBCTL
MOVEI B,ARCINF
MOVE B,.FBBBT-.FBCTL(B) ;GET WORD .FBBBT
TXNN B,<AR%1ST!AR%RAR!AR%RIV>
TXNE A,<FB%OFF!FB%ARC> ;ARE ANY OF THE ARCHIVE BITS SET?
JRST [ MOVE A,EINJFN ;YES... WARN USER
ETYPE <%%File has Archive status - %1S%%_>
PROMPT <[Confirm to edit anyway]>
CALL CONF ;BUT LET HIM DO IT IF HE REALLY WANTS TO
JRST .+1 ]
EDX22: MOVE B,EDPTR ;GET POINTER TO USER'S COMMAND
CALL EDEDIT ;REMOVE THE NOISY PARTS
MOVE A,CSBUFP ;BUILD DEFAULT STRING IN SCRATCH SPACE
MOVE B,EDPTR ;GET POINTER TO USER'S COMMAND AGAIN
SKIPE C,EDCNT ;ANY SWITCH PART?
JRST [ CALL ASOUT ;YES, COPY THE STRING
MOVEI B,.CHSPC ;SEPARATE SWITCHES FROM FILESPEC WITH SPACE
IDPB B,A
JRST .+1]
MOVE C,[FLD(1,JS%DEV)!FLD(1,JS%DIR)!FLD(1,JS%NAM)!FLD(1,JS%TYP)!JS%PAF]
MOVE B,EINJFN ;FIRST FILE
JFNS ;TO STRING
MOVE B,EOJFN ;OUTPUT SPEC?
CAMN B,[-1]
JRST EDXIT1 ;NO
MOVEI B," "
IDPB B,A ;SEPARATE BY SPACE
MOVE B,EOJFN ;GET OUTPUT JFN AGAIN
JFNS ;YES, DO IT TOO
EDXIT1: MOVE B,[POINT 7,[ASCIZ /
/]]
MOVEI C,0
CALL ASOUT ;FINISH SAVED LINE WITH CRLF
CALL PIOFF ;DON'T ALLOW ^C WHILE CHANGING HORSES
SKIPE A,EDSVB ;GET POINTER TO SAVED EDIT COMMAND
CALL STREM ;RELEASE OLD STORAGE IF THERE WAS ANY
SETZM EDSVB ;DO NOW SINCE XBUFFS MIGHT FAIL
CALL PION ;ALLOW ^C AGAIN
MOVE A,CSBUFP ;POINT TO CREATED DEFAULT STRING
CALL XBUFFS ;GET SOME PERMANENT SPACE FOR IT
MOVEM A,EDSVB ;REMEMBER POINTER TO NEW DEFAULT STRING
MOVE D,EDPTR ;USE ACTUAL COMMAND STRING THIS TIME
EDXITB: MOVE A,CSBUFP ;CREATE STRING FOR PROGRAM
HLRE B,P5 ;GET -1=CREATE, 0=EDIT, 1=PERUSE
MOVE B,@[[POINT 7,[ASCIZ /CREATE /]]
[POINT 7,[ASCIZ /EDIT /]]
[POINT 7,[ASCIZ /PERUSE /]]]+1(B)
MOVEI C,0
CALL ASOUT ;START WITH CORRECT COMMAND NAME
MOVE B,D ;USE REST OF COMMAND OR SAVED COMMAND
CALL ASOUT
MOVE A,CSBUFP ;GET COMMAND LINE
CALL BUFFS ;SAVE THE STRING
CALL @2(P5) ;ROUTINE TO HANDLE FORK CREATE/START
RET ;ALL DONE - RETURN
MOVEM A,RSPTR ;STORE RESCAN POINTER
CALL RLJFNS ;FLUSH EXTRA JFNS
MOVE B,EDJFN ;GET JFN FOR EDITOR FILE
SETZ Z, ;[4441] Insure no flags passed to EXEC0
JRST CIN3 ;JOIN IMPLICIT RUN CODE IN EXEC0
;SUBROUTINE FOR WHEN TBLUK FINDS NO MATCH ON EDITOR NAME
EDITNM: MOVE A,EDJFN ;NO - CHECK FDB(.FBUSW)
MOVE B,[1,,.FBUSW]
MOVEI C,C
GTFDB
HLRZS C ;=> 'TEC',,VERS#
MOVEI A,EDELS ;WHAT TO USE FOR DEFAULT
CAIN C,'TEC'
MOVEI A,EEMACS ;USE EMACS INTERFACE
RET
;SUBROUTINE TO REMOVE "()" AND "!!" NOISE FROM THE COMMAND LINE
;CALL WITH B/ POINTER TO COMMAND STRING; USES A, C
EDEDIT: MOVE C,B ;GET THE POINTER TO THE LINE IN B AND C
EDEDT0: ILDB A,B ;GET A CHARACTER
CAIN A,"!" ;START OF NOISE?
JRST EDEDT1 ;YES - SKIP IT
CAIN A,"(" ;START OF NOISE?
JRST EDEDT2 ;YES - SKIP IT
IDPB A,C ;NO - SAVE THE CHARACTER
JUMPN A,EDEDT0 ;AND LOOP UNTIL NULL,
RET ;THEN RETURN
EDEDT1: ILDB A,B ;SKIP NOISE - UNTIL "!"
CAIE A,"!"
JUMPN A,EDEDT1
JRST EDEDT0
EDEDT2: ILDB A,B ;SKIP NOISE - UNTIL ")"
CAIE A,")"
JUMPN A,EDEDT2
JRST EDEDT0
;SUBROUTINE TO HANDLE SWITCHES
;RETURNS +2 IF SWITCH IS O.K., ELSE +1
EDSWT: TLO Z,F2 ;NOTE THAT SWITCH WAS SEEN
HRRZ C,0(B) ;GET DISPATCH ADDRESS
JUMPE C,EDSWT1 ;IF ZERO, THERE'S NO ARGUMENT
TXNE A,CM%SWT ;ARGUMENT - WAS A COLON TYPED?
JRST 0(C) ;YES - GOT /SW: - DISPATCH TO READ ARGUMENT
CAIE C,EDSWNX ;NO - IS THE ARGUMENT OPTIONAL?
CAIN C,EDSWSX
RETSKP ;YES - THERE'S NO ARGUMENT, THEN - DONE
TYPE <?Switch must have a value - >
JRST EDSWT2 ;FINISH OFF THE ERROR
EDSWT1: TXNN A,CM%SWT ;HERE IF NO ARGUMENT - WAS A COLON TYPED?
RETSKP ;NO - O.K. - DONE
TYPE <?Switch does not allow argument - >
EDSWT2: HLRO B,0(B) ;OUTPUT THE SWITCH NAME WITH THE ERROR
MOVEI C,0
MOVE A,COJFN
SOUT
ETYPE <%_>
RET ;AND RETURN
;HERE TO PARSE AN OPTIONAL STRING OR NUMERIC ARGUMENT
EDSWSX: SKIPA B,[[FLDDB. .CMFLD,,,<STRING ARGUMENT>]]
EDSWNX: MOVEI B,[FLDDB. .CMNUM,,^D10] ;GET OPTIONAL DECIMAL NUMBER
JRST EDSW1
;HERE TO PARSE FILESPECS OR DECIMAL ARGUMENT
EDSWFL: SKIPA B,[[FLDDB. .CMIFI]] ;GET INPUT FILESPEC
EDSWFO: MOVEI B,[FLDDB. .CMOFI] ;GET OUTPUT FILESPEC
JRST EDSW1
EDSWNM: MOVEI B,[FLDDB. .CMNUM,,^D10] ;GET DECIMAL NUMBER
EDSW1: CALL FLDSKP
CMERRX
RETSKP
;HERE TO PARSE A STRING OR OPTION ARGUMENT
EDSWST: SKIPA B,[[FLDDB. .CMFLD,,,<STRING ARGUMENT>]]
EDSWOP: MOVEI B,[FLDDB. .CMFLD,,,<OPTION NAME .LE. 6 CHARACTERS>]
CALL FLDSKP ;JUST GET ATOM
CMERRX <String required>
RETSKP
;HERE IF THE USER JUST TYPED "EDIT<CR>"
EDAGN: CALL @3(P5) ;CALL THIS EDITOR'S ROUTINE FOR "EDIT<CR>"
NOP ;DONE - RETURN
JRST EDXITB ;JOIN COMMON CODE
;SWITCH DEFINITIONS FOR EDIT
DEFINE NAMES <
X (BAK,0)
X (C128,0)
X (C64,0)
X (DECIDE,0)
X (DPY,0)
X (EXPERT,0)
X (INCREMENT:,EDSWNM)
X (ISAVE:,EDSWNM)
X (LOWER,0)
X (M33,0)
X (M37,0)
X (NOBAK,0)
X (NODECIDE,0)
X (NONSEPARATORS,0)
X (NONUMBER,0)
X (NOVICE,0)
X (NUMBER,0)
X (OLD,0)
X (OPTION:,EDSWOP)
X (PLINES:,EDSWNM)
X (R,0)
X (READONLY,0)
X (RONLY,0)
X (RUN:,EDSWFL)
X (SAVE:,EDSWNM)
X (SEPARATORS,0)
X (SEQUENCE,0)
X (START:,EDSWNM)
X (STEP:,EDSWNM)
X (UNSEQUENCE,0)
X (UPPER,0)
X (WINDOW:,EDSWNM)
>
DEFINE X(A,B) <[ASCIZ \A\],,B>
$ETBL: 0
NAMES
..Z==.
RELOC $ETBL
..Z-$ETBL-1,,..Z-$ETBL-1
RELOC ..Z
SED,<
;SWITCHES FOR SED
DEFINE NAMES <
X (ALT,0)
X (BACKUP,0)
X (BEEP,0)
X (CASE,0)
X (CREATE,0)
X (DTABS,0)
X (GOTO:,EDSWNX)
X (ICR,0)
X (ID,0)
X (IMODE,0)
X (INVRT,0)
X (ISAVE:,EDSWNM)
X (ITABS,0)
X (JOURN,0)
X (LENG:,EDSWNM)
X (LMAR:,EDSWNM)
X (NOBACKUP,0)
X (NOBEEP,0)
X (NOCASE,0)
X (NOFENCE,0)
X (NOICR,0)
X (NOID,0)
X (NOIMODE,0)
X (NOINVRT,0)
X (NOITABS,0)
X (NOJOURN,0)
X (NOMESSA,0)
X (NOPAGE,0)
X (NORAISE,0)
X (NORESET,0)
X (NOROLL,0)
X (NOSHOW,0)
X (NOSTRIP,0)
X (NOUPPER,0)
X (OUT:,EDSWFO)
X (PAGE,0)
X (PROG:,EDSWFL)
X (QUICK,0)
X (RAISE,0)
X (READ,0)
X (RECOV,0)
X (RESET,0)
X (RMAR:,EDSWNM)
X (ROLL,0)
X (SAVE:,EDSWNM)
X (SHOW,0)
X (SLIDE:,EDSWNX)
X (STRIP,0)
X (TABS:,EDSWSX)
X (TSET:,EDSWNM)
X (UPPER,0)
X (WIDTH:,EDSWNM)
X (WRITE,0)
>
$STBL: 0
NAMES
..Z==.
RELOC $STBL
..Z-$STBL-1,,..Z-$STBL-1
RELOC ..Z
> ;END SED
;SUBROUTINES
;SUBROUTINE TO DO A JFNS. CALL WITH C/ FLAGS, B/ JFN
;THIS ROUTINE PRESERVES JFN IN B
EDJFNS: STKVAR <SAVBBB>
MOVE A,CSBUFP ;POINTER TO STRING SPACE
JFNS
MOVE A,CSBUFP ;GET POINTER TO STRING JUST CREATED
MOVEM B,SAVBBB
CALL BUFFS ;SAVE THE STRING
MOVSI B,774000 ;MASK FOR FIRST CHARACTER
TDNN B,(A) ;SEE IF STRING IS NULL
MOVEI A,0 ;RETURN 0 INSTEAD OF POINTER IF FIELD IS NULL
MOVE B,SAVBBB
RET
;AUXILIARY ROUTINES FOR VARIOUS EDITORS
;ENTRY IS AT OFFSET:
; 0 := EDIT "INFILE" (NON-SKIP TO IGNORE OUTPUT SPEC)
; 1 := EDIT "INFILE" "OUTFILE"
; 2 := JUST BEFORE FORK CREATE (EDITOR IN EDJFN), A/ POINTER TO COMMAND STRING
; 3 := EDIT<CR> TYPED
NOEMCS,<
.EMCS:
>
NOSED,<
.EDSED:
>
.EDSOS:
.EDTV: RSKP ;0 - INPUT FILE
RSKP ;1 - OUTPUT FILE
RSKP ;2 - FORK CREATE
EDITCR ;3 - EDIT<CR>
;HERE FOR "NORMAL" EDITORS, ON "EDIT<CR>"
;DON'T ALLOW SWITCHES WITHOUT A FILESPEC
EDITCR: SKIPN D,EDSVB ;PREVIOUS STRING?
JRST EDICRX ;NO - OUTPUT ERROR MESSAGE
TLNE Z,F2 ;EDIT/SW<CR> IS AN ERROR:
ERROR <Must have filespec>
RETSKP ;OTHERWISE RETURN SUCCESS
EDICRX: TYPE <%No saved filespec
>
MOVE D,[POINT 7,[ASCIZ /
/]]
RET ;GIVE NORMAL RETURN
SED,<
;DISPATCH TABLE AND ROUTINES FOR SED
.EDSED: RSKP ;0 - INPUT FILE
RSKP ;1 - OUTPUT FILE
RSKP ;2 - FORK CREATE
EDISCR ;3 - EDIT<CR>
;HERE WHEN USER TYPED "EDIT<CR>"
;ALLOW SWITCHES; DON'T USE PREVIOUS FILESPEC LINE
EDISCR: MOVE D,EDPTR ;JUST SET UP THE STRING AS THE USER TYPED IT
RETSKP ;THAT'S ALL
>
EMCS,<
.EMCS: .EMCSI ;0 - INPUT FILE (OR CREATE)
RSKP ;1 - OUTPUT FILE (CAN'T HAPPEN)
.EMCSF ;2 - FORK CREATE
.EMCSA ;3 - EDIT AGAIN
;COME HERE WITH FILESPEC JFN IN EINJFN
.EMCSI: JUMPGE P5,R ;DONE UNLESS COMMAND WAS CREATE
MOVE A,EINJFN ;GET JFN
MOVE B,[7B5+OF%WR] ;CREATE A FILE
OPENF
JRST CERR
TXO A,CO%NRJ ;KEEP JFN
CLOSF ;FILE NOW EXISTS
NOP
RET
;HERE TO RE-EDIT OLD FILE
.EMCSA: SKIPG A,EDFORK ;HAVE AN EDITOR FORK?
JRST .EMCSF ;[4434] No, go create a fork for EMACS
SETZM RSPTR ;[4434] Know that there is no rescan string
;[4434] Here to continue existing EMACS fork, enter with A/ EMACS fork handle.
;Note that the rescan buffer has already been set up if it is needed.
;If the old EMACS fork is OK, continue the fork. If not, get a new fork.
.EMCSC: MOVE A,EDFORK ;[4434] Get the editor fork handle today
RFSTS ;SEE IF FORK IS AROUND
ERJMP .EMCSN ;[4434] Owie, get a new emacs fork please
TXZ A,RF%FRZ ;MUST BE FROZEN
HLRZS A
CAIN A,.RFFPT ;CHECK VALID TERMINATION
JRST .EMCSN ;[4434] Ick, kill it a get a new fork please
MOVE A,EDFORK
MOVEM A,FORK ;MAKE EDITOR CURRENT FORK
MOVEM A,RUNFK
SETZM STAYF ;DON'T STAY AT COMMAND LEVEL
JRST ..CONT ;AND RESUME IT
;[4434] Here to kill off old EMACS fork (if any) and get a new EMACS fork.
.EMCSN: SKIPLE A,EDFORK ;[4434] Any fork there?
CALL KEFORK ;[4434] (A/) Yes, kill it off
SETOM EDFORK ;[4434] No longer is there an EMACS editor fork
; CALLRET .EMCSF ;[4434] Now start a new EMACS fork
;CREATE AN EDIT FORK AND START EDITOR
.EMCSF: MOVE A,CSBUFP ;[4434] Build the rescan string in usual spot
MOVE B,[POINT 7,[ASCIZ/EDIT /]] ;[4434] Load pointer to command
SETZ C, ;[4434] Stop on null
CALL ASOUT ;[4434] (A,B,C/A,B,C) Copy the command name
SKIPN B,EDSVB ;[4434] Use supplied filespec if any
MOVE B,[POINT 7,[BYTE (7).CHCRT,.CHLFD]] ;[4434] No filespec, use CRLF
CALL ASOUT ;[4434] (A,B,C/A,B,C) Supply the filename
MOVE A,CSBUFP ;[4434] Point to string we just built
CALL BUFFS ;[4434] (A/A) Copy it to temp safe place and
MOVEM A,RSPTR ;[4434] Set it as the rescan string
SKIPLE A,EDFORK ;[4433] Already have a EMACS fork today?
JRST .EMCSC ;[4434] Yes, just continue the existing one
CALL ECFORK ;[4434] (/A) Make a new fork
MOVX B,FK%KPT ;MARK IT KEPT
IORM B,SLFTAB(A)
MOVE B,EDJFN ;JFN ON EDITOR
CALL SFKNAM ;SET ITS NAME
MOVE A,EDJFN
HRL A,FORK ;GET PROGRAM INTO FORK
GET
ERJMP GETILI
CALL RLJFNS ;FLUSH XTRA JFNS
SETZM .JBUFP ;NO LONGER SAVING PROGRAM JFN
SETZM STAYF ;DON'T STAY AT COMMAND LEVEL
MOVE A,FORK
MOVEM A,EDFORK ;SET EDITOR FORK
MOVEI B,0 ;OFFSET 0 FOR START
JRST ..STCR
> ;END EMCS
END