(FILECREATED " 7-Jan-84 13:18:52" {PHYLUM}<LISPCORE>SOURCES>ADIR.;39 26198
changes to: (VARS ADIRCOMS)
(FNS OPENSTREAM)
previous date: "16-Dec-83 17:19:14" {PHYLUM}<LISPCORE>SOURCES>ADIR.;38)
(* Copyright (c) 1981, 1982, 1983, 1984 by Xerox Corporation)
(PRETTYCOMPRINT ADIRCOMS)
(RPAQQ ADIRCOMS [[COMS (* user-level i/o routines)
(FNS DELFILE FULLNAME INFILE INFILEP IOFILE OPENFILE OPENSTREAM OUTFILE
OUTFILEP RENAMEFILE SIMPLE.FINDFILE)
(P (MOVD? (QUOTE SIMPLE.FINDFILE)
(QUOTE FINDFILE]
(COMS (FNS FILENAMEFIELD PACKFILENAME UNPACKFILENAME LASTCHPOS)
(DECLARE: DONTCOPY (MACROS UNPACKFILE1 UNPACKFILE2)))
(COMS (* saving and restoring system state)
(FNS LOGOUT MAKESYS SYSOUT SAVEVM HERALD \REVALIDATEFILELST INTERPRET.REM.CM
\USEREVENT)
(ADDVARS (AROUNDEXITFNS))
(VARS (HERALDSTRING "")
(\USERNAME))
(GLOBALVARS HERALDSTRING USERNAME \USERNAME AROUNDEXITFNS)
(FNS USERNAME SETUSERNAME)
(* Temporary patch)
(FNS GetBcplString SetBcplString))
(LOCALVARS . T)
(DECLARE: DONTEVAL@LOAD DOEVAL@COMPILE DONTCOPY COMPILERVARS (ADDVARS (NLAMA)
(NLAML)
(LAMA
PACKFILENAME])
(* user-level i/o routines)
(DEFINEQ
(DELFILE
[LAMBDA (FILE) (* bvm: "27-DEC-81 00:10")
(AND (NEQ FILE T)
(\DELETEFILE FILE])
(FULLNAME
[LAMBDA (X RECOG) (* rmk: "22-AUG-83 13:33")
(COND
((type? STREAM X)
(fetch (STREAM FULLNAME) of X))
(T (SELECTQ RECOG
(NIL (SETQQ RECOG OLD))
((OLD OLD/NEW NEW OLDEST))
(\ILLEGAL.ARG RECOG))
(\GETFILENAME X RECOG])
(INFILE
[LAMBDA (FILE) (* rmk: " 3-OCT-79 14:23")
(INPUT (OPENFILE FILE (QUOTE INPUT)
(QUOTE OLD])
(INFILEP
[LAMBDA (FILE) (* rmk: " 9-OCT-79 22:39")
(\GETFILENAME FILE (QUOTE OLD])
(IOFILE
[LAMBDA (FILE) (* rmk: " 5-SEP-81 13:54")
(OPENFILE FILE (QUOTE BOTH)
(QUOTE OLD])
(OPENFILE
[LAMBDA (FILE ACCESS RECOG BYTESIZE PARAMETERS) (* rmk: "25-OCT-83 19:48")
(fetch FULLNAME of (OPENSTREAM FILE ACCESS RECOG BYTESIZE PARAMETERS])
(OPENSTREAM
[LAMBDA (FILE ACCESS RECOG BYTESIZE PARAMETERS) (* bvm: "17-NOV-83 16:43")
(PROG (REC OLDSTREAM STREAM)
(SELECTQ ACCESS
((INPUT OUTPUT BOTH APPEND))
(\ILLEGAL.ARG ACCESS))
(SETQ REC (SELECTQ RECOG
((EXACT NEW OLD OLD/NEW OLDEST)
RECOG)
(NIL (SELECTQ ACCESS
(INPUT (QUOTE OLD))
(OUTPUT (QUOTE NEW))
(QUOTE OLD/NEW)))
(\ILLEGAL.ARG RECOG)))
[SELECTQ BYTESIZE
(NIL)
[8 (push PARAMETERS (QUOTE (TYPE BINARY]
(COND
((AND (LISTP BYTESIZE)
(NULL PARAMETERS))
(SETQ PARAMETERS BYTESIZE)
(SETQ BYTESIZE NIL))
(T (\ILLEGAL.ARG BYTESIZE]
(COND
((OR (EQ FILE T)
(NULL FILE))
(* Handle T and NIL separately, cause they can return the terminal streams, for which the search isn't necessary
and the \ADDOFD shouldn't be done.)
(SETQ STREAM (\GETSTREAM FILE ACCESS))
(\DO.PARAMS.AT.OPEN STREAM ACCESS PARAMETERS)
(RETURN STREAM)))
(* We open the file before looking to see whether it is already open. This guarantees that we acquire the opening
rights at the time we lookup the name. We then check to see if it is currently open in Lisp.
If it is, we return the previous stream, which has the file's current state. -
There are still potential problems: First, an interrupt can happen while we are doing the search which causes the
file to be deleted or re-opened beneath us, BEFORE it gets added to \OPENFILES. Second, a network device might not
allow multiple openings of the file, even by the same guy with the same mode.)
(SETQ STREAM (\OPENFILE FILE ACCESS REC PARAMETERS))
(COND
[(SETQ OLDSTREAM (\SEARCHOPENFILES (fetch FULLNAME of STREAM)))
(COND
((\IOMODEP OLDSTREAM ACCESS T) (* Dispose of the newly-obtained stream, This might be a
noop, but a network device (LEAF) cares)
(OR (EQ STREAM OLDSTREAM)
(\CLOSEFILE STREAM))
(\DO.PARAMS.AT.OPEN OLDSTREAM ACCESS PARAMETERS)
(* Do parameters on the old stream)
(RETURN OLDSTREAM))
(T (LISPERROR "FILE WON'T OPEN" FILE]
(T (\ADDOFD STREAM) (* Parameters done on new stream by \OPENFILE)
(RETURN STREAM])
(OUTFILE
[LAMBDA (FILE) (* rmk: " 3-OCT-79 14:24")
(OUTPUT (OPENFILE FILE (QUOTE OUTPUT)
(QUOTE NEW])
(OUTFILEP
[LAMBDA (FILE) (* rmk: " 9-OCT-79 22:39")
(\GETFILENAME FILE (QUOTE NEW])
(RENAMEFILE
[LAMBDA (OLDFILE NEWFILE) (* bvm: " 4-JUN-83 22:37")
(AND OLDFILE NEWFILE (NEQ OLDFILE T)
(NEQ NEWFILE T)
(\RENAMEFILE OLDFILE NEWFILE])
(SIMPLE.FINDFILE
[LAMBDA (FILE DUMMY DIRLST) (* bvm: "31-AUG-81 20:59")
(OR (INFILEP FILE)
(for DIR in DIRLST when (SETQ $$VAL (INFILEP (PACKFILENAME (QUOTE DIRECTORY)
DIR
(QUOTE BODY)
FILE)))
do (RETURN $$VAL])
)
(MOVD? (QUOTE SIMPLE.FINDFILE)
(QUOTE FINDFILE))
(DEFINEQ
(FILENAMEFIELD
[LAMBDA (FILE FIELDNAME) (* lmm "22-APR-81 22:00")
(UNPACKFILENAME FILE (SELECTQ FIELDNAME
((VERSION GENERATION)
(QUOTE (VERSION GENERATION)))
((DEVICE STRUCTURE)
(QUOTE (DEVICE STRUCTURE)))
FIELDNAME])
(PACKFILENAME
[LAMBDA N (* bvm: " 4-OCT-83 14:53")
(* Note: DEVICE and STRUCTURE are identical but are for
TENEX and TOPS20 respectively.)
(COND
((AND (EQ N 1)
(LISTP (ARG N 1))) (* spread argument list)
(APPLY (FUNCTION PACKFILENAME)
(ARG N 1)))
(T (PROG (HOST DEVICE STRUCTURE DIRECTORY NAME EXTENSION VERSION TEMPORARY PROTECTION ACCOUNT
(I 1)
PACKLIST VAR VAL (BLIP "")
TEMP)
(DECLARE (SPECVARS HOST DEVICE STRUCTURE DIRECTORY NAME EXTENSION VERSION TEMPORARY
PROTECTION ACCOUNT))
LP (COND
((NOT (IGREATERP I N))
(COND
((LISTP (SETQ VAR (ARG N I)))
(SETQ VAL (CDR VAR))
(SETQ VAR (CAR VAR)))
((NOT (IGREATERP (SETQ I (ADD1 I))
N))
(SETQ VAL (ARG N I)))
(T (SETQ VAL)))
(OR (STRINGP VAL)
(ATOM VAL)
(ERRORX (LIST 27 VAL))) (* fields must be atom)
(SELECTQ VAR
(BODY (MAP (UNPACKFILENAME (COND
((LISTP VAL)
(* PACKFILENAME for error checking of fields)
(PACKFILENAME VAL))
(T VAL)))
[FUNCTION (LAMBDA (X)
(* NIL => not yet seen, BLIP => seen as NIL.)
(OR (EVALV (CAR X))
(SET (CAR X)
(OR (CADR X)
BLIP]
(FUNCTION CDDR)))
[HOST [COND
((SETQ TEMP (STRPOS (QUOTE <)
VAL))
(* Host with embedded directory, overrides like BODY)
(OR DIRECTORY (SETQ DIRECTORY (OR (SUBSTRING VAL TEMP)
BLIP)))
(SETQ VAL (SUBSTRING VAL 1 (SUB1 TEMP]
(OR HOST (SETQ HOST (OR VAL BLIP]
[DIRECTORY [COND
((AND (EQ (CHCON1 VAL)
(CHARCODE {))
(SETQ TEMP (LASTCHPOS (CHARCODE })
VAL)))
(* DIRECTORY with embedded HOST, override like BODY)
(OR HOST (SETQ HOST (OR (SUBSTRING VAL 2 (SUB1 TEMP))
BLIP)))
(COND
((AND (NEQ (CHCON1 (SETQ VAL (SUBSTRING VAL
(ADD1 TEMP)
-1)))
(CHARCODE <))
(SETQ TEMP (STRPOS (QUOTE :)
VAL)))
(OR DEVICE (SETQ DEVICE (SUBSTRING VAL 1 TEMP)))
(SETQ VAL (SUBSTRING VAL (ADD1 TEMP)
-1]
(OR DIRECTORY (SETQ DIRECTORY (OR VAL BLIP]
[(DEVICE NAME EXTENSION VERSION TEMPORARY)
(OR (EVALV VAR)
(SET VAR (OR VAL BLIP]
(\ILLEGAL.ARG VAR))
(SETQ I (ADD1 I))
(GO LP)))
(SELECTQ TEMPORARY
[(T S ;S)
(OR HOST DEVICE (PROGN (SETQ HOST (QUOTE CORE))
(SETQ TEMPORARY]
NIL)
[RETURN (PACK (NCONC (AND HOST (NEQ HOST BLIP)
(SELCHARQ [CHCON1 (CAR (SETQ HOST
(CONS HOST
(COND
((NEQ (NTHCHARCODE HOST -1)
(CHARCODE }))
(CONS (QUOTE }]
({ HOST)
(CONS (QUOTE {)
HOST)))
[AND DEVICE (NEQ DEVICE BLIP)
(SELCHARQ (NTHCHARCODE DEVICE -1)
(: (LIST DEVICE))
(LIST DEVICE (QUOTE :]
(AND DIRECTORY (NEQ DIRECTORY BLIP)
(SELCHARQ [CHCON1 (CAR (SETQ DIRECTORY
(CONS DIRECTORY
(COND
((NEQ (NTHCHARCODE
DIRECTORY -1)
(CHARCODE >))
(CONS (QUOTE >]
(< DIRECTORY)
(CONS (QUOTE <)
DIRECTORY)))
(AND NAME (NEQ NAME BLIP)
(LIST NAME))
(AND (OR (AND EXTENSION (NEQ EXTENSION BLIP))
(AND VERSION (NEQ VERSION BLIP)))
(LIST (COND
((AND EXTENSION (EQ (CHCON1 EXTENSION)
(CHARCODE %.)))
BLIP)
(T (QUOTE %.)))
(OR EXTENSION BLIP)))
[AND VERSION (NEQ VERSION BLIP)
(COND
((FIXP VERSION)
(LIST (QUOTE ;)
VERSION))
(T (SELCHARQ (CHCON1 VERSION)
(; (LIST VERSION))
((%. !)
(LIST (QUOTE ;)
(SUBSTRING VERSION 2 -1)))
(LIST (QUOTE ;)
VERSION]
(AND TEMPORARY (NEQ TEMPORARY BLIP)
(LIST (QUOTE ;)
(SELECTQ TEMPORARY
((S ;S)
(QUOTE S))
T]
(RETURN (PACK (NCONC (AND HOST (LIST (QUOTE {)
HOST
(QUOTE })))
[AND (OR DEVICE (SETQ DEVICE STRUCTURE))
(SELECTQ (MKATOM DEVICE)
[(NUL NUL: NIL:)
(CONS (SELECTQ (SYSTEMTYPE)
(TOPS20 (QUOTE NUL:))
(QUOTE NIL:]
(LIST DEVICE (COND
((NEQ (NTHCHARCODE DEVICE -1)
(CHARCODE :))
(QUOTE :))
(T BLIP]
[AND DIRECTORY (COND
((EQ (CHCON1 DIRECTORY)
(CHARCODE <))
(CONS DIRECTORY))
(T (LIST (QUOTE <)
DIRECTORY
(QUOTE >]
(AND NAME (CONS NAME))
(AND (OR EXTENSION VERSION)
(LIST (COND
((AND EXTENSION (EQ (CHCON1 EXTENSION)
(CHARCODE %.)))
BLIP)
(T (QUOTE %.)))
(OR EXTENSION BLIP)))
(AND VERSION (PROGN (OR (FIXP VERSION)
(SELCHARQ (CHCON1 VERSION)
((%. ;)
(SETQ VERSION
(SUBATOM VERSION 2 -1)))
NIL))
(LIST (SELECTQ (SYSTEMTYPE)
(TOPS20 (QUOTE %.))
(QUOTE ;))
VERSION)))
(AND PROTECTION (LIST (SELCHARQ (CHCON1 PROTECTION)
(; BLIP)
(P (QUOTE ;))
(QUOTE ";P"))
PROTECTION))
(AND ACCOUNT (LIST (SELCHARQ (CHCON1 ACCOUNT)
(; BLIP)
(A (QUOTE ;))
(QUOTE ";A"))
ACCOUNT))
(AND TEMPORARY (LIST (QUOTE ;)
(SELECTQ TEMPORARY
((S ;S)
(QUOTE S))
T])
(UNPACKFILENAME
[LAMBDA (FILE ONEFIELDFLG) (* lmm "28-FEB-82 15:33")
(OR (LITATOM FILE)
(STRINGP FILE)
(ERRORX (LIST 27 FILE)))
(PROG (TEM (POS 1)
INEXT INVERS VAL CODE)
(OR FILE (RETURN))
[COND
((AND (EQ (NTHCHARCODE FILE 1)
(CHARCODE {))
(SETQ TEM (LASTCHPOS (CHARCODE })
FILE 2)))
(UNPACKFILE1 (QUOTE HOST)
2
(SUB1 TEM))
(SETQ POS (ADD1 TEM]
[COND
((SETQ TEM (LASTCHPOS (CHARCODE :)
FILE POS))
(* all device returned have : on it so that NIL: will work)
(UNPACKFILE1 (QUOTE DEVICE)
POS TEM)
(SETQ POS (ADD1 TEM]
(SELCHARQ (NTHCHARCODE FILE POS)
[(< >)
(COND
((SETQ TEM (LASTCHPOS (CHARCODE >)
FILE POS))
(UNPACKFILE1 (QUOTE DIRECTORY)
(ADD1 POS)
(SUB1 TEM))
(SETQ POS (ADD1 TEM)))
((SETQ TEM (LASTCHPOS (CHARCODE ESC)
FILE POS))
(UNPACKFILE1 (QUOTE DIRECTORY)
(ADD1 POS)
(SETQ POS TEM]
NIL)
(OR (SETQ CODE (NTHCHARCODE FILE (SETQ TEM POS)))
(RETURN (DREVERSE VAL)))
NAMELP
(SELCHARQ CODE
(%. (* delimits end of NAME or EXTENSION)
(UNPACKFILE1 (COND
((NOT INEXT)
(SETQQ INEXT NAME))
(T (SETQQ INVERS EXTENSION)))
POS
(SUB1 TEM))
(SETQ POS (ADD1 TEM)))
((! ;) (* delimits end of NAME EXTENSION VERSION or special field)
(UNPACKFILE2 POS TEM)
(SETQ POS (ADD1 TEM)))
(NIL (UNPACKFILE2 POS TEM)
(RETURN (DREVERSE VAL)))
NIL)
(SETQ CODE (NTHCHARCODE FILE (add TEM 1)))
(GO NAMELP)
OUT (RETURN VAL])
(LASTCHPOS
[LAMBDA (CH STR START) (* lmm " 3-DEC-80 23:48")
(PROG (RESULT NC)
(OR START (SETQ START 1))
(while (SETQ NC (NTHCHARCODE STR START)) do (COND
((EQ CH NC)
(SETQ RESULT START)))
(add START 1))
(RETURN RESULT])
)
(DECLARE: DONTCOPY
(DECLARE: EVAL@COMPILE
(PUTPROPS UNPACKFILE1 MACRO [LAMBDA (NAM ST END) (* lmm "22-APR-81 22:21")
(PROG NIL
[COND
(ONEFIELDFLG (COND
((EQMEMB NAM ONEFIELDFLG)
(SETQ VAL (SUBATOM FILE ST END))
(GO OUT))
(T (RETURN]
(SETQ VAL (CONS (SUBATOM FILE ST END)
(CONS NAM VAL])
(PUTPROPS UNPACKFILE2 MACRO [LAMBDA (POS TEM) (* lmm "22-APR-81 21:47")
(UNPACKFILE1 [COND
((NOT INEXT)
(SETQ INVERS (QUOTE ;))
(SETQQ INEXT NAME))
((NOT INVERS)
(SETQQ INVERS ;)
(QUOTE EXTENSION))
(T (SELCHARQ (AND (EQ INVERS (QUOTE ;))
(NTHCHARCODE FILE POS))
(P (QUOTE PROTECTION))
(A (add POS 1)
(QUOTE ACCOUNT))
((T S)
(QUOTE TEMPORARY))
(QUOTE VERSION]
POS
(SUB1 TEM])
)
)
(* saving and restoring system state)
(DEFINEQ
(LOGOUT
[LAMBDA (FAST) (* bvm: "16-Dec-83 15:29")
(DECLARE (GLOBALVARS \OPENFILES))
(\USEREVENT (QUOTE BEFORELOGOUT))
(\PROCESS.BEFORE.LOGOUT)
(\DEVICEEVENT (QUOTE BEFORELOGOUT))
(\SETTOTALTIME) (* update the total time that this sysout has been
running.)
(\LOGOUT0 FAST) (* Must re-establish the state of devices and of
previously open files that might have been modified at
the EXEC.)
(\RESETKEYBOARD)
(\DEVICEEVENT (QUOTE AFTERLOGOUT))
(\OPENLINEBUF)
(SETQ \OPENFILES (\REVALIDATEFILELST \OPENFILES))
(\PROCESS.AFTER.LOGOUT)
(\USEREVENT (QUOTE AFTERLOGOUT))
(INTERPRET.REM.CM)
NIL])
(MAKESYS
[LAMBDA (FILE NAME) (* bvm: "16-Dec-83 17:16")
(DECLARE (GLOBALVARS \MISCSTATS)
(SPECVARS FILE NAME)) (* SPECVARS for BEFOREMAKESYSFORMS)
(\USEREVENT (QUOTE BEFOREMAKESYS))
(HERALD (CONCAT (OR NAME "INTERLISP-D")
" "
(SUBSTRING (SETQ MAKESYSDATE (DATE))
1 11Q)
" ..."))
(\DEVICEEVENT (QUOTE BEFOREMAKESYS))
(replace TOTALTIME of \MISCSTATS with 0) (* reset totaltime field.)
(SETQ LAST↑TKEYBOARDTIME)
(PROG ((NEWFILE (\COPYSYS FILE)))
(RETURN (COND
((NLISTP NEWFILE)
NEWFILE)
(T (\DEVICEEVENT (QUOTE AFTERMAKESYS))
(\RESETOFDS)
(PRIN1 HERALDSTRING T)
(SETQ RESETFORMS (CONS GREETFORM RESETFORMS))
(\USEREVENT (QUOTE AFTERMAKESYS))
(INTERPRET.REM.CM)
(RESET])
(SYSOUT
[LAMBDA (FILE) (* bvm: "16-Dec-83 15:46")
(DECLARE (GLOBALVARS \MISCSTATS)
(SPECVARS FILE)) (* FILE is special so that BEFORESYSOUTFORMS can alter
it)
(\USEREVENT (QUOTE BEFORESYSOUT))
(\DEVICEEVENT (QUOTE BEFORESYSOUT))
(PROG ((TOTALTIMESAVE (fetch TOTALTIME of \MISCSTATS))
NEWFILE) (* update the total time field so that the run time in
the sysout will be right.)
(\SETTOTALTIME)
(RETURN (PROG1 (SETQ NEWFILE (\COPYSYS FILE))
(COND
((NLISTP NEWFILE) (* Continuing in same sysout;
reset TOTALTIME in misc stats page to not include the
time before the sysout.)
(replace TOTALTIME of \MISCSTATS with TOTALTIMESAVE))
(T (* restarting)
(\DEVICEEVENT (QUOTE AFTERSYSOUT))
(\RESETOFDS)
(INTERPRET.REM.CM)
(\USEREVENT (QUOTE AFTERSYSOUT])
(SAVEVM
[LAMBDA (RELEASEFLG) (* bvm: "16-Dec-83 17:04")
(DECLARE (GLOBALVARS \OPENFILES))
(* Save the virtual memory. This is similar to logging out, then back in, but is much faster, since it doesn't
lose any pages. Conceptually, this is like doing a sysout to Lisp.virtualmem)
(\USEREVENT (QUOTE BEFORESAVEVM))
(\DEVICEEVENT (QUOTE BEFORESYSOUT))
(COND
((\FLUSHVM)
(\RESETKEYBOARD) (* Returns T when starting up fresh)
(\DEVICEEVENT (QUOTE AFTERSYSOUT))
(SETQ \OPENFILES (\REVALIDATEFILELST \OPENFILES))
(\USEREVENT (QUOTE AFTERSAVEVM))
T])
(HERALD
[LAMBDA (STR) (* wt: " 2-MAY-79 15:38")
(AND STR (SETQ HERALDSTRING STR))
HERALDSTRING])
(\REVALIDATEFILELST
[LAMBDA (STREAMLST) (* rmk: "25-OCT-83 16:34")
(* STREAMLST is \OPENFILES or a subset of \OPENFILES, in the case when an event (e.g. a host going down) affects
only some files.)
(DECLARE (GLOBALVARS \OPENFILES))
[for (STREAMS ← STREAMLST)
STREAM REASON RECLFLG PAGES while STREAMS
do (COND
([SETQ REASON (\REVALIDATEFILE (SETQ STREAM (CAR STREAMS]
[COND
((AND (EQ REASON (QUOTE DELETED))
(EQ STREAM \DRIBBLE.OFD)) (* If Dribble file went away, turn it off quick before
we get in trouble)
(UNINTERRUPTABLY
(SETQ \DRIBBLE.OFD NIL)
(\REMOVEDRIBBLECHECK (TTYDISPLAYSTREAM)))]
(COND
((NOT RECLFLG) (* Map down the tail of STREAMLST and smash the CPPTR to
NIL first)
(for O in STREAMS do (replace CPPTR of O with NIL))
(SETQ RECLFLG T)
(RECLAIM)))
(printout T T T "****WARNING: The file " (fetch FULLNAME of STREAM))
(SELECTQ REASON
(CHANGED (SETQ PAGES (RESTOREMAP STREAM))
(printout T " has been modified since you last accessed it!" T)
(SETQ STREAMS (CDR STREAMS)))
(DELETED (SETQ PAGES (FORGETPAGES STREAM))
(AFTERCLOSE (fetch FULLNAME of STREAM))
(replace ACCESS of STREAM with NIL)
[COND
((NEQ STREAMLST \OPENFILES)
(SETQ \OPENFILES (DREMOVE STREAM \OPENFILES]
(COND
((CDR STREAMS)
(FRPLNODE2 STREAMS (CDR STREAMS)))
(T (SETQ STREAMLST (DREMOVE STREAM STREAMLST))
(SETQ STREAMS NIL)))
(printout T " was previously opened but has disappeared!" T))
(SHOULDNT))
(AND PAGES (printout T "You had references to the following pages from that file: "
PAGES T)))
(T (SETQ STREAMS (CDR STREAMS]
STREAMLST])
(INTERPRET.REM.CM
[LAMBDA (RETFLG) (* bvm: "26-MAR-82 11:25")
(DECLARE (GLOBALVARS STARTUPFORM))
(* * Looks at REM.CM and evaluates the form there if the first character of the file is open paren or doublequote.
If it's a string, it will be unread,, else the form will be evaluated at the next prompt. For use in INIT.LISP,
among others. If RETFLG is true, the expression read is simply returned)
(PROG ([FILE (NLSETQ (OPENFILE (QUOTE {DSK}REM.CM;1)
(QUOTE BOTH]
COM AUXFILE)
[COND
([AND FILE (IGREATERP (GETFILEINFO (SETQ FILE (\GETOFD (CAR FILE)
(QUOTE BOTH)))
(QUOTE LENGTH))
0)
(SELCHARQ (\PEEKBIN FILE)
((%( %")
T)
NIL)
(SETQ COM (CAR (NLSETQ (READ FILE T]
(COND
(RETFLG (* Save it to return))
((LISTP COM) (* make it happen at next prompt)
(SETQ STARTUPFORM (LIST (QUOTE PROGN)
(QUOTE (SETQ PROMPTCHARFORMS (DREMOVE STARTUPFORM
PROMPTCHARFORMS)))
(LIST (QUOTE PRINT)
(LIST (QUOTE LISPXEVAL)
(KWOTE COM))
T T)))
(SETQ PROMPTCHARFORMS (CONS STARTUPFORM PROMPTCHARFORMS)))
(T (* Unread a string)
(BKSYSBUF COM)))
(\SETEOFPTR FILE (COND
((NOT (\EOFP FILE))
(SELCHARQ (\PEEKBIN FILE)
((CR ;) (* Eat up the command terminator)
(\BIN FILE))
NIL) (* Need to rewrite REM.CM with remainder of text)
(SETQ AUXFILE (OPENFILE (QUOTE {CORE}TEMP.CM)
(QUOTE BOTH)
(QUOTE NEW)))
(COPYBYTES FILE AUXFILE)
(SETFILEPTR FILE 0)
(COPYBYTES AUXFILE FILE 0 (PROG1 (GETFILEPTR AUXFILE)
(SETFILEPTR AUXFILE 0)))
(DELFILE (CLOSEF AUXFILE))
(GETFILEPTR FILE))
(T 0]
(CLOSEF FILE)
(RETURN (COND
(RETFLG COM)
(COM T])
(\USEREVENT
[LAMBDA (EVENT)
(DECLARE (GLOBALVARS AROUNDEXITFNS)) (* bvm: "16-Dec-83 15:27")
(for FN in (SELECTQ EVENT
((BEFORELOGOUT BEFORESYSOUT BEFORESAVEVM BEFOREMAKESYS)
AROUNDEXITFNS)
(REVERSE AROUNDEXITFNS))
do (APPLY* FN EVENT])
)
(ADDTOVAR AROUNDEXITFNS )
(RPAQ HERALDSTRING "")
(RPAQQ \USERNAME NIL)
(DECLARE: DOEVAL@COMPILE DONTCOPY
(ADDTOVAR GLOBALVARS HERALDSTRING USERNAME \USERNAME AROUNDEXITFNS)
)
(DEFINEQ
(USERNAME
[LAMBDA (FLG STRPTR PRESERVECASE)
(* lmm "28-MAR-82 14:10")
(* On 10, USERNAME can take a user number as arg)
(PROG (ADDR NAME)
(SETQ NAME (COND
(FLG NIL)
((NEQ 0 (SETQ ADDR (fetch (IFPAGE UserNameAddr) of \InterfacePage)))
(GetBcplString (\ADDBASE (EMADDRESS 0)
ADDR)
(EQ STRPTR T)))
(T \USERNAME)))
(OR PRESERVECASE (NULL NAME)
(SETQ NAME (U-CASE NAME)))
(RETURN (COND
((NULL NAME)
NIL)
((STRINGP STRPTR)
(SUBSTRING NAME 1 -1 STRPTR))
(T NAME])
(SETUSERNAME
[LAMBDA (NAME) (* lmm "28-MAR-82 14:11")
(* Changed interpretation of UserName0)
(COND
(NAME (PROG ((ADDR (fetch (IFPAGE UserNameAddr) of \InterfacePage)))
(RETURN (COND
((NEQ ADDR 0)
(SetBcplString (\ADDBASE (EMADDRESS 0)
ADDR)
NAME)
(SETQ USERNAME (USERNAME NIL T)))
(T (SETQ \USERNAME (CONCAT NAME])
)
(* Temporary patch)
(DEFINEQ
(GetBcplString
[LAMBDA (BS ATOMFLG) (* bvm: " 1-MAY-81 21:38")
(* Returns as a Lisp string the Bcpl string stored at BS. Format is one byte length, follwed by chars.
If ATOMFLG is true, returns result as an atom)
(PROG (S (L (GETBASEBYTE BS 0)))
(COND
((AND ATOMFLG (ILEQ L \PNAMELIMIT))
(RETURN (\MKATOM BS 1 L)))
(T (SETQ S (ALLOCSTRING L))
(for I to L do (RPLCHARCODE S I (GETBASEBYTE BS I)))
(RETURN (COND
(ATOMFLG (* Let MKATOM handle the error)
(MKATOM S))
(T S])
(SetBcplString
[LAMBDA (BS LS) (* lmm "17-MAY-80 20:21")
(PROG ((L (NCHARS LS)))
(COND
((IGREATERP L 255)
(LISPERROR "ILLEGAL ARG" BS)))
(PUTBASEBYTE BS 0 L)
(for I to L do (PUTBASEBYTE BS I (NTHCHARCODE LS I)))
(RETURN BS])
)
(DECLARE: DOEVAL@COMPILE DONTCOPY
(LOCALVARS . T)
)
(DECLARE: DONTEVAL@LOAD DOEVAL@COMPILE DONTCOPY COMPILERVARS
(ADDTOVAR NLAMA )
(ADDTOVAR NLAML )
(ADDTOVAR LAMA PACKFILENAME)
)
(PUTPROPS ADIR COPYRIGHT ("Xerox Corporation" 1981 1982 1983 1984))
(DECLARE: DONTCOPY
(FILEMAP (NIL (1320 5767 (DELFILE 1330 . 1478) (FULLNAME 1480 . 1803) (INFILE 1805 . 1971) (INFILEP
1973 . 2112) (IOFILE 2114 . 2272) (OPENFILE 2274 . 2466) (OPENSTREAM 2468 . 4927) (OUTFILE 4929 . 5099
) (OUTFILEP 5101 . 5241) (RENAMEFILE 5243 . 5442) (SIMPLE.FINDFILE 5444 . 5765)) (5824 14291 (
FILENAMEFIELD 5834 . 6111) (PACKFILENAME 6113 . 12145) (UNPACKFILENAME 12147 . 13949) (LASTCHPOS 13951
. 14289)) (15324 23535 (LOGOUT 15334 . 16190) (MAKESYS 16192 . 17136) (SYSOUT 17138 . 18277) (SAVEVM
18279 . 18977) (HERALD 18979 . 19137) (\REVALIDATEFILELST 19139 . 21129) (INTERPRET.REM.CM 21131 .
23224) (\USEREVENT 23226 . 23533)) (23727 24881 (USERNAME 23737 . 24403) (SETUSERNAME 24405 . 24879))
(24910 25911 (GetBcplString 24920 . 25563) (SetBcplString 25565 . 25909)))))
STOP