(FILECREATED "29-Sep-86 17:52:16" {ERIS}<LISPCORE>SOURCES>CLSTREAMS.;7 49355
changes to: (VARS CLSTREAMSCOMS)
(FNS %%BROADCAST-STREAM-DEVICE-OPENFILE %%CONCATENATED-STREAM-DEVICE-OPENFILE
%%SYNONYM-STREAM-DEVICE-OPENFILE %%TWO-WAY-STREAM-DEVICE-OPENFILE)
(FUNCTIONS OPEN INTERLISP-ACCESS WITH-OPEN-FILE)
previous date: "18-Sep-86 12:21:25" {ERIS}<LISPCORE>SOURCES>CLSTREAMS.;4)
(* Copyright (c) 1985, 1986 by Xerox Corporation. All rights reserved.)
(PRETTYCOMPRINT CLSTREAMSCOMS)
(RPAQQ CLSTREAMSCOMS ((* ;;;
"Implements a number of stream functions from CommonLisp. See CLtL chapter 21"
)
(COMS (* ;; "documented functions and macros")
(FUNCTIONS OPEN CLOSE)
(FUNCTIONS STREAM-ELEMENT-TYPE INPUT-STREAM-P OUTPUT-STREAM-P)
(FUNCTIONS FILE-STREAM-POSITION)
(FUNCTIONS MAKE-SYNONYM-STREAM MAKE-BROADCAST-STREAM
MAKE-CONCATENATED-STREAM MAKE-TWO-WAY-STREAM MAKE-ECHO-STREAM
MAKE-STRING-INPUT-STREAM)
(FUNCTIONS %%MAKE-INITIAL-STRING-STREAM-CONTENTS)
(DECLARE: DOCOPY (FUNCTIONS WITH-OPEN-STREAM WITH-INPUT-FROM-STRING
WITH-OUTPUT-TO-STRING WITH-OPEN-FILE))
(FUNCTIONS MAKE-STRING-OUTPUT-STREAM MAKE-FILL-POINTER-OUTPUT-STREAM
GET-OUTPUT-STREAM-STRING \STRING-STREAM-OUTCHARFN
\ADJUSTABLE-STRING-STREAM-OUTCHARFN))
(COMS (* ;; "helpers")
(FUNCTIONS %%NEW-FILE PREDICT-NAME)
(DECLARE: DOEVAL@LOAD DONTCOPY (FUNCTIONS INTERLISP-ACCESS)))
(COMS (* ;; "methods for the special devices")
(FNS %%BROADCAST-STREAM-DEVICE-BOUT %%BROADCAST-STREAM-DEVICE-OUTCHARFN
%%BROADCAST-STREAM-DEVICE-CLOSEFILE
%%BROADCAST-STREAM-DEVICE-FORCEOUTPUT
%%BROADCAST-STREAM-DEVICE-OPENFILE)
(FNS %%CONCATENATED-STREAM-DEVICE-BIN
%%CONCATENATED-STREAM-DEVICE-CLOSEFILE
%%CONCATENATED-STREAM-DEVICE-EOFP
%%CONCATENATED-STREAM-DEVICE-OPENFILE
%%CONCATENATED-STREAM-DEVICE-PEEKBIN)
(FNS %%ECHO-STREAM-DEVICE-BIN)
(FNS %%SYNONYM-STREAM-DEVICE-BIN %%SYNONYM-STREAM-DEVICE-BOUT
%%SYNONYM-STREAM-DEVICE-OUTCHARFN %%SYNONYM-STREAM-DEVICE-CLOSEFILE
%%SYNONYM-STREAM-DEVICE-EOFP %%SYNONYM-STREAM-DEVICE-FORCEOUTPUT
%%SYNONYM-STREAM-DEVICE-GETFILEINFO %%SYNONYM-STREAM-DEVICE-OPENFILE
%%SYNONYM-STREAM-DEVICE-PEEKBIN %%SYNONYM-STREAM-DEVICE-READP
%%SYNONYM-STREAM-DEVICE-BACKFILEPTR
%%SYNONYM-STREAM-DEVICE-SETFILEINFO)
(FNS %%TWO-WAY-STREAM-DEVICE-BIN %%TWO-WAY-STREAM-DEVICE-BOUT
%%TWO-WAY-STREAM-DEVICE-OUTCHARFN %%TWO-WAY-STREAM-DEVICE-CLOSEFILE
%%TWO-WAY-STREAM-DEVICE-EOFP %%TWO-WAY-STREAM-DEVICE-BACKFILEPTR
%%TWO-WAY-STREAM-DEVICE-FORCEOUTPUT %%TWO-WAY-STREAM-DEVICE-OPENFILE
%%TWO-WAY-STREAM-DEVICE-PEEKBIN)
(FUNCTIONS %%FILL-POINTER-STREAM-DEVICE-CLOSEFILE
%%FILL-POINTER-STREAM-DEVICE-GETFILEPTR))
(COMS (* ;; "helper stuff")
(FNS %%SYNONYM-STREAM-DEVICE-GET-STREAM))
(COMS (* ;; "package initialization")
(VARIABLES *TRACE-OUTPUT* *DEBUG-IO* *QUERY-IO* *TERMINAL-IO*
*ERROR-OUTPUT* *STANDARD-OUTPUT* *STANDARD-INPUT*)
(FUNCTIONS %%INITIALIZE-STANDARD-STREAMS)
(FNS %%INITIALIZE-CLSTREAM-TYPES)
(DECLARE: DONTEVAL@LOAD DOCOPY (*)
(P (%%INITIALIZE-CLSTREAM-TYPES)
(%%INITIALIZE-STANDARD-STREAMS))))
(PROP FILETYPE CLSTREAMS)
(SETFS FILE-STREAM-POSITION)))
(* ;;; "Implements a number of stream functions from CommonLisp. See CLtL chapter 21")
(* ;; "documented functions and macros")
(DEFUN OPEN (FILENAME &KEY (DIRECTION :INPUT)
(ELEMENT-TYPE (QUOTE STRING-CHAR))
(IF-EXISTS NIL EXISTS-P)
(IF-DOES-NOT-EXIST NIL DOES-NOT-EXIST-P))
(* ;;; "Return a stream which reads from or writes to Filename. Defined keywords: :direction (one of :input, :output or :probe :element-type), Type of object to read or write, default String-Char, :if-exists (one of :error, :new-version, :overwrite, :append or nil), :if-does-not-exist (one of :error, :create or nil). See the manual for details.")
(CL:UNLESS (MEMQ DIRECTION (QUOTE (:INPUT :OUTPUT :IO :PROBE)))
(CL:ERROR "~S isn't a valid direction for open." DIRECTION))
(CL:UNLESS (MEMQ ELEMENT-TYPE (QUOTE (STRING-CHAR UNSIGNED-BYTE CHARACTER :DEFAULT)))
(CL:ERROR "~S isn't an implemented element-type for open." ELEMENT-TYPE))
(LET ((PATHNAME (PATHNAME FILENAME))
(FOR-INPUT (MEMQ DIRECTION (QUOTE (:IO :INPUT))))
(FOR-OUTPUT (MEMQ DIRECTION (QUOTE (:IO :OUTPUT))))
(ACCESS (INTERLISP-ACCESS DIRECTION))
(STREAM NIL)) (* ;;;
"Do hairy defaulting of :if-exists and :if-does-not-exist keywords.")
(CL:UNLESS EXISTS-P (SETQ IF-EXISTS (CL:IF (EQ (PATHNAME-VERSION PATHNAME)
:NEWEST)
:NEW-VERSION :ERROR)))
(CL:UNLESS DOES-NOT-EXIST-P (SETQ IF-DOES-NOT-EXIST (COND
((OR (MEMQ IF-EXISTS
(QUOTE (:OVERWRITE :APPEND)
))
(EQ DIRECTION :INPUT))
:ERROR)
((EQ DIRECTION :PROBE)
NIL)
(T :CREATE))))
(LOOP (* ;
"See if the file exists and handle the existential keywords.")
(LET* ((NAME (PREDICT-NAME PATHNAME))
(NAMESTRING (MKSTRING NAME)))
(if NAME
then (* ; "file exists")
(if FOR-OUTPUT
then (* ;; "open for output/both")
(CASE IF-EXISTS (:ERROR (CERROR "write it anyway."
"File ~A already exists."
NAMESTRING)
(SETQ STREAM (OPENSTREAM NAMESTRING
ACCESS))
(RETURN NIL))
((:NEW-VERSION :SUPERSEDE :RENAME :RENAME-AND-DELETE)
(SETQ STREAM (OPENSTREAM NAMESTRING ACCESS (QUOTE NEW)))
(RETURN NIL))
(:OVERWRITE (SETQ STREAM (OPENSTREAM NAMESTRING ACCESS
(QUOTE OLD)))
(RETURN NIL))
(:APPEND (SETQ STREAM (OPENSTREAM NAMESTRING (QUOTE
APPEND)
(QUOTE OLD)))
(RETURN NIL))
((NIL)
(RETURN-FROM OPEN NIL))
(T (CL:ERROR "~S is not a valid value for :if-exists."
IF-EXISTS)))
elseif FOR-INPUT
then (* ;; "open for input/both")
(SETQ STREAM (OPENSTREAM NAMESTRING ACCESS (QUOTE OLD)))
(RETURN NIL)
else (* ;; "open for probe")
(SETQ STREAM (create STREAM
FULLFILENAME ← (FULLNAME NAMESTRING)))
(RETURN NIL))
else (* ;; "file does not exist")
(if FOR-OUTPUT
then (CASE IF-DOES-NOT-EXIST (:ERROR (CERROR "prompt for a new name."
"File ~A does not exist."
PATHNAME)
(FORMAT *QUERY-IO*
"~&New file name: ")
(SETQ PATHNAME (PATHNAME
(READ-LINE
*QUERY-IO*)
)))
(:CREATE (SETQ STREAM (OPENSTREAM PATHNAME ACCESS
(QUOTE NEW)))
(RETURN NIL))
((NIL)
(RETURN-FROM OPEN NIL))
(T (CL:ERROR
"~S is not a valid value for :if-does-not-exist."
IF-DOES-NOT-EXIST)))
elseif FOR-INPUT
then (CASE IF-DOES-NOT-EXIST (:ERROR (CERROR "prompt for a new name."
"File ~A does not exist."
PATHNAME)
(FORMAT *QUERY-IO*
"~&New file name: ")
(SETQ PATHNAME (PATHNAME
(READ-LINE
*QUERY-IO*)
)))
(:CREATE (%%NEW-FILE PATHNAME))
((NIL)
(RETURN-FROM OPEN NIL))
(T (CL:ERROR
"~S is not a valid value for :if-does-not-exist."
IF-DOES-NOT-EXIST)))
else (* ; "Open for probe.")
(RETURN NIL)))))
STREAM))
(DEFUN CLOSE (STREAM &KEY ABORT)
(* * "Close a stream. If ABORT, then don't keep the file")
(if (STREAMP STREAM)
then (if (OPENP STREAM)
then
(* * "determine 'deletability' of stream's file before closing, as that trashes the info")
(LET ((ABORTABLE (AND (DIRTYABLE STREAM)
(NOT (APPENDONLY STREAM)))))
(CLOSEF STREAM)
(if (AND ABORT ABORTABLE)
then (*
"eventually we will change device CLOSEF methods to take an ABORT arg. For now, simulate it.")
(DELFILE (NAMESTRING STREAM)))))
else (ERROR "Closing a non-stream" STREAM))
T)
(DEFUN STREAM-ELEMENT-TYPE (STREAM) (QUOTE UNSIGNED-BYTE))
(DEFUN INPUT-STREAM-P (STREAM) (CL:WHEN (NOT (STREAMP STREAM))
(\ILLEGAL.ARG STREAM))
(* * "we return T instead of the stream because Symbolics does")
(AND (\IOMODEP STREAM (QUOTE INPUT)
T)
T))
(DEFUN OUTPUT-STREAM-P (STREAM) (CL:WHEN (NOT (STREAMP STREAM))
(\ILLEGAL.ARG STREAM))
(* * "we return T instead of the stream because Symbolics does")
(AND (\IOMODEP STREAM (QUOTE OUTPUT)
T)
T))
(DEFUN FILE-STREAM-POSITION (STREAM) (GETFILEPTR STREAM))
(DEFUN MAKE-SYNONYM-STREAM (SYMBOL)
(* * "A CommonLisp function for shadowing a stream. See CLtL p. 329")
(OPENSTREAM (QUOTE {SYNONYM-STREAM-DEVICE})
(QUOTE BOTH)
NIL NIL (BQUOTE ((SYMBOL (\, SYMBOL))))))
(DEFUN MAKE-BROADCAST-STREAM (&REST STREAMS)
(* * "CommonLisp function to make a `splitter' stream. See CLtL p329")
(OPENSTREAM (QUOTE {BROADCAST-STREAM-DEVICE})
(QUOTE OUTPUT)
NIL NIL (BQUOTE ((STREAMS (\, STREAMS))))
NIL))
(DEFUN MAKE-CONCATENATED-STREAM (&REST STREAMS)
(* * A CommonLisp function for concatenating several input streams together.
See CLtL p. 329)
(OPENSTREAM (QUOTE {CONCATENATED-STREAM-DEVICE})
(QUOTE INPUT)
NIL NIL (BQUOTE ((STREAMS (\, STREAMS))))
NIL))
(DEFUN MAKE-TWO-WAY-STREAM (INPUT-STREAM OUTPUT-STREAM)
(* * "A CommonLisp function for splicing together two streams. See CLtL p. 329")
(OPENSTREAM (QUOTE {TWO-WAY-STREAM-DEVICE})
(QUOTE BOTH)
NIL NIL (BQUOTE ((INPUT-STREAM (\, INPUT-STREAM))
(OUTPUT-STREAM (\, OUTPUT-STREAM))))))
(DEFUN MAKE-ECHO-STREAM (INPUT-STREAM OUTPUT-STREAM)
(* * "A CommonLisp function for splicing together two streams. See CLtL p. 329")
(OPENSTREAM (QUOTE {ECHO-STREAM-DEVICE})
(QUOTE BOTH)
NIL NIL (BQUOTE ((INPUT-STREAM (\, INPUT-STREAM))
(OUTPUT-STREAM (\, OUTPUT-STREAM))))))
(DEFUN MAKE-STRING-INPUT-STREAM (STRING &OPTIONAL (START 0 STARTP)
(END NIL ENDP))
(* * "A CommonLisp function for producing a stream from a string. See CLtL p. 330")
(OPENSTRINGSTREAM (if (OR STARTP ENDP)
then (SUBSEQ STRING START (if ENDP
then END
else (CL:LENGTH STRING)))
else STRING)
(QUOTE INPUT)))
(DEFUN %%MAKE-INITIAL-STRING-STREAM-CONTENTS NIL (MAKE-ARRAY 128 :ELEMENT-TYPE (QUOTE STRING-CHAR)
:ADJUSTABLE T :FILL-POINTER 0))
(DECLARE: DOCOPY
(DEFMACRO WITH-OPEN-STREAM ((VAR STREAM)
&BODY
(BODY DECLS)) (LET ((ABORTP (GENSYM)))
(BQUOTE (LET (((\, VAR)
(\, STREAM))
((\, ABORTP)
T))
(\,@ DECLS)
(UNWIND-PROTECT
(MULTIPLE-VALUE-PROG1
(PROGN (\,@ BODY))
(SETQ (\, ABORTP)
NIL))
(CLOSE (\, VAR)
:ABORT
(\, ABORTP)))))))
(DEFMACRO WITH-INPUT-FROM-STRING ((VAR STRING &KEY (INDEX NIL INDEXP)
(START 0 STARTP)
(END NIL ENDP))
&BODY
(BODY DECLS))
(BQUOTE (LET (((\, VAR)
(MAKE-STRING-INPUT-STREAM (\, STRING)
(\,@ (if STARTP
then (if ENDP
then (LIST START END)
else (LIST START))
else (if ENDP
then (LIST NIL END)))))))
(\,@ DECLS)
(UNWIND-PROTECT (PROG1 (PROGN (\,@ BODY))
(\,@ (if INDEXP
then (BQUOTE ((SETF (\, INDEX)
(+ (\, START)
(GETFILEPTR (\, VAR))))))
else NIL)))
(CLOSE (\, VAR))))))
(DEFMACRO WITH-OUTPUT-TO-STRING ((VAR &OPTIONAL (STRING NIL STRINGP))
&BODY
(FORMS DECLS))
(if STRINGP
then (BQUOTE (LET (((\, VAR)
(MAKE-FILL-POINTER-OUTPUT-STREAM (\, STRING))))
(\,@ DECLS)
(UNWIND-PROTECT (PROGN (\,@ FORMS))
(CLOSE (\, VAR)))))
else (BQUOTE (LET (((\, VAR)
(MAKE-STRING-OUTPUT-STREAM)))
(\,@ DECLS)
(UNWIND-PROTECT (PROGN (\,@ FORMS)
(GET-OUTPUT-STREAM-STRING (\, VAR)))
(CLOSE (\, VAR)))))))
(DEFMACRO WITH-OPEN-FILE ((VAR &REST OPEN-ARGS)
&BODY
(FORMS DECLS)) (* ;;; "The file whose name is File-Name is opened using the OPEN-ARGS and bound to the variable VAR. The Forms are executed, and when they terminate, normally or otherwise, the file is closed.")
(LET ((ABORTP (GENSYM)))
(BQUOTE (LET (((\, VAR)
(OPEN (\,@ OPEN-ARGS)))
((\, ABORTP)
T))
(\,@ DECLS)
(UNWIND-PROTECT (MULTIPLE-VALUE-PROG1 (PROGN (\,@ FORMS))
(SETQ (\, ABORTP)
NIL))
(CLOSE (\, VAR)
:ABORT
(\, ABORTP)))))))
)
(DEFUN MAKE-STRING-OUTPUT-STREAM NIL
(* * "A function for producing a string stream. See also the function get-output-stream-string. Also, see CLtL p. 330")
(MAKE-FILL-POINTER-OUTPUT-STREAM))
(DEFUN MAKE-FILL-POINTER-OUTPUT-STREAM (&OPTIONAL (STRING (%%MAKE-INITIAL-STRING-STREAM-CONTENTS)))
(DECLARE (GLOBALVARS \FILL-POINTER-STREAM-DEVICE))
(if (NOT (ARRAY-HAS-FILL-POINTER-P STRING))
then (\ILLEGAL.ARG STRING)
else (LET ((STREAM (create STREAM
DEVICE ← \FILL-POINTER-STREAM-DEVICE
F1 ← STRING
ACCESS ← (QUOTE OUTPUT))))
(STREAMPROP STREAM (QUOTE STRING-OUTPUT-STREAM)
T)
(replace (STREAM OUTCHARFN) of STREAM with (if (ADJUSTABLE-ARRAY-P STRING)
then (FUNCTION
\ADJUSTABLE-STRING-STREAM-OUTCHARFN
)
else (FUNCTION \STRING-STREAM-OUTCHARFN))
)
(replace (STREAM STRMBOUTFN) of STREAM with (FUNCTION \OUTCHAR))
STREAM)))
(DEFUN GET-OUTPUT-STREAM-STRING (STRING-OUTPUT-STREAM)
(* * "A CommonLisp function for getting the contents of the buffer created by a call to make-string-output-stream. See CLtL p. 330")
(if (NOT (STREAMPROP STRING-OUTPUT-STREAM (QUOTE STRING-OUTPUT-STREAM)))
then (ERROR "Stream not a string-output-stream" STRING-OUTPUT-STREAM)
else (PROG1 (fetch (STREAM F1) of STRING-OUTPUT-STREAM)
(replace (STREAM F1) of STRING-OUTPUT-STREAM with (
%%MAKE-INITIAL-STRING-STREAM-CONTENTS
)))))
(DEFUN \STRING-STREAM-OUTCHARFN (STREAM CHAR) (IF (EQ CHAR (CHARCODE EOL))
THEN (REPLACE (STREAM CHARPOSITION) OF STREAM
WITH 0)
ELSE (ADD (FETCH (STREAM CHARPOSITION) OF STREAM)
1))
(VECTOR-PUSH (CL:CHARACTER CHAR)
(FETCH (STREAM F1) OF STREAM)))
(DEFUN \ADJUSTABLE-STRING-STREAM-OUTCHARFN (STREAM CHAR) (IF (EQ CHAR (CHARCODE EOL))
THEN (REPLACE (STREAM CHARPOSITION)
OF STREAM WITH 0)
ELSE (ADD (FETCH (STREAM CHARPOSITION)
OF STREAM)
1))
(VECTOR-PUSH-EXTEND (CL:CHARACTER CHAR)
(FETCH (STREAM F1) OF STREAM)))
(* ;; "helpers")
(DEFUN %%NEW-FILE (FILENAME) (CLOSEF (OPENSTREAM FILENAME (QUOTE OUTPUT)
(QUOTE NEW))))
(DEFUN PREDICT-NAME (PATHNAME) (LET ((PATH (PROBE-FILE PATHNAME)))
(IF PATH
THEN (NAMESTRING PATH))))
(DECLARE: DOEVAL@LOAD DONTCOPY
(DEFMACRO INTERLISP-ACCESS (DIRECTION) (BQUOTE (CASE (\, DIRECTION)
(:INPUT (QUOTE INPUT))
(:OUTPUT (QUOTE OUTPUT))
(:IO (QUOTE BOTH))
NIL)))
)
(* ;; "methods for the special devices")
(DEFINEQ
(%%BROADCAST-STREAM-DEVICE-BOUT
[LAMBDA (STREAM BYTE) (* hdj "17-Apr-86 18:08")
(* * The BOUT method for the broadcast-stream device)
(for S in (fetch F1 of STREAM) do (\BOUT S BYTE))
BYTE])
(%%BROADCAST-STREAM-DEVICE-OUTCHARFN
(LAMBDA (STREAM CHARCODE) (* hdj "18-Sep-86 11:29")
(* ;; "outcharfn for broadcast streams")
(for S in (fetch (STREAM F1) of STREAM) do (\OUTCHAR S CHARCODE))
CHARCODE))
(%%BROADCAST-STREAM-DEVICE-CLOSEFILE
[LAMBDA (STREAM) (* hdj
"26-Mar-86 16:28")
(* * The CLOSEFILE method for the broadcast-stream device)
(replace ACCESS of STREAM with NIL)
(replace F1 of STREAM with NIL)
STREAM])
(%%BROADCAST-STREAM-DEVICE-FORCEOUTPUT
[LAMBDA (stream waitForFinish?) (* smL "14-Aug-85 15:55")
(* * The FORCEOUTPUT method for the broadcast-stream device)
(for s in (fetch F1 of stream) do (FORCEOUTPUT s waitForFinish?])
(%%BROADCAST-STREAM-DEVICE-OPENFILE
(LAMBDA (NAME ACCESS RECOG PARAMETERS DEVICE) (* hdj "29-Sep-86 17:46")
(* ;;;
"The OPENFILE method for the broadcast-stream device")
(SELECTQ ACCESS
((INPUT BOTH APPEND)
NIL)
(create STREAM
DEVICE ← DEVICE
F1 ← (CADR (ASSOC (QUOTE STREAMS)
PARAMETERS))
OUTCHARFN ← (FUNCTION %%BROADCAST-STREAM-DEVICE-OUTCHARFN)
CHARSET ← 255))))
)
(DEFINEQ
(%%CONCATENATED-STREAM-DEVICE-BIN
[LAMBDA (stream) (* smL "14-Aug-85 16:52")
(* * The BIN method for the concatenated-stream device)
(while (fetch F1 of stream) do [if (EOFP (CAR (fetch F1 of stream)))
then (CLOSEF (pop (fetch F1 of stream)))
else (RETURN (\BIN (CAR (fetch F1 of stream]
finally (* the EOF case)
(\EOF.ACTION stream])
(%%CONCATENATED-STREAM-DEVICE-CLOSEFILE
[LAMBDA (stream) (* smL "14-Aug-85 16:53")
(* * The CLOSEFILE method for the concatenated-stream device)
(replace ACCESS of stream with NIL)
(for s in (fetch F1 of stream) do (CLOSEF s))
(replace F1 of stream with NIL)
stream])
(%%CONCATENATED-STREAM-DEVICE-EOFP
[LAMBDA (stream) (* smL "14-Aug-85 16:53")
(* * The EOFP method for the concatenated-stream device)
(while (fetch F1 of stream) do (if (EOFP (CAR (fetch F1 of stream)))
then (CLOSEF (pop (fetch F1 of stream)))
else (RETURN NIL))
finally (* the EOF case)
(RETURN T])
(%%CONCATENATED-STREAM-DEVICE-OPENFILE
(LAMBDA (NAME ACCESS RECOG PARAMETERS DEVICE) (* hdj "29-Sep-86 17:46")
(* ;;;
"The OPENFILE method for the concatenated-stream device")
(SELECTQ ACCESS
((OUTPUT BOTH APPEND)
NIL)
(create STREAM
DEVICE ← DEVICE
F1 ← (CADR (ASSOC (QUOTE STREAMS)
PARAMETERS))
CHARSET ← 255))))
(%%CONCATENATED-STREAM-DEVICE-PEEKBIN
[LAMBDA (stream noErrorFlg?) (* smL "14-Aug-85 16:53")
(* * The PEEKBIN method for the concatenated-stream device)
(while (fetch F1 of stream) do [if (EOFP (CAR (fetch F1 of stream)))
then (CLOSEF (pop (fetch F1 of stream)))
else (RETURN (\PEEKBIN (CAR (fetch F1 of stream]
finally (* the EOF case)
(if noErrorFlg?
then (RETURN NIL)
else (\EOF.ACTION stream])
)
(DEFINEQ
(%%ECHO-STREAM-DEVICE-BIN
[LAMBDA (STREAM) (* hdj "21-Apr-86 18:33")
(* * The BIN method for the echo-stream device)
(LET ((BYTE (%%TWO-WAY-STREAM-DEVICE-BIN STREAM)))
(\BOUT STREAM BYTE)
BYTE])
)
(DEFINEQ
(%%SYNONYM-STREAM-DEVICE-BIN
[LAMBDA (STREAM) (* hdj
"19-Mar-86 17:19")
(* * The BIN method for the synonym-stream device.)
(\BIN (%%SYNONYM-STREAM-DEVICE-GET-STREAM STREAM])
(%%SYNONYM-STREAM-DEVICE-BOUT
[LAMBDA (STREAM BYTE) (* hdj
"19-Mar-86 17:20")
(* * The BOUT method for the synonym-stream device.)
(\BOUT (%%SYNONYM-STREAM-DEVICE-GET-STREAM STREAM)
BYTE])
(%%SYNONYM-STREAM-DEVICE-OUTCHARFN
(LAMBDA (STREAM CHARCODE) (* hdj "17-Sep-86 14:04")
(* ;; " OUTCHARFN for synonym streams")
(\OUTCHAR (%%SYNONYM-STREAM-DEVICE-GET-STREAM STREAM)
CHARCODE)))
(%%SYNONYM-STREAM-DEVICE-CLOSEFILE
[LAMBDA (STREAM) (* hdj
"19-Mar-86 17:14")
(* * the CLOSEFILE method for the synonym-stream device)
(replace F1 of STREAM with NIL)
STREAM])
(%%SYNONYM-STREAM-DEVICE-EOFP
[LAMBDA (STREAM) (* hdj
"19-Mar-86 17:20")
(* * The EOFP method for the synonym-stream device.)
(\EOFP (%%SYNONYM-STREAM-DEVICE-GET-STREAM STREAM])
(%%SYNONYM-STREAM-DEVICE-FORCEOUTPUT
[LAMBDA (STREAM WAITFORFINISH) (* hdj
"19-Mar-86 17:09")
(* * The FORCEOUTPUT method for the synonym-stream device.)
(FORCEOUTPUT (%%SYNONYM-STREAM-DEVICE-GET-STREAM STREAM)
WAITFORFINISH])
(%%SYNONYM-STREAM-DEVICE-GETFILEINFO
[LAMBDA (STREAM ATTRIBUTE DEVICE) (* hdj
"19-Mar-86 17:10")
(* * The GETFILEINFO method for the synonym-stream device.)
(GETFILEINFO (%%SYNONYM-STREAM-DEVICE-GET-STREAM STREAM)
ATTRIBUTE])
(%%SYNONYM-STREAM-DEVICE-OPENFILE
(LAMBDA (NAME ACCESS RECOG PARAMETERS DEVICE) (* hdj "29-Sep-86 17:44")
(* ;;;
"the OPENFILE method for the synonym-stream device")
(create STREAM
DEVICE ← DEVICE
F1 ← (CADR (ASSOC (QUOTE SYMBOL)
PARAMETERS))
OUTCHARFN ← (FUNCTION %%SYNONYM-STREAM-DEVICE-OUTCHARFN)
CHARSET ← 255)))
(%%SYNONYM-STREAM-DEVICE-PEEKBIN
[LAMBDA (STREAM NOERRORFLG?) (* hdj
"19-Mar-86 17:12")
(* * The PEEKBIN method for the synonym-stream device)
(\PEEKBIN (%%SYNONYM-STREAM-DEVICE-GET-STREAM STREAM)
NOERRORFLG?])
(%%SYNONYM-STREAM-DEVICE-READP
(LAMBDA (STREAM FLG)
(READP (%%SYNONYM-STREAM-DEVICE-GET-STREAM STREAM)
FLG)))
(%%SYNONYM-STREAM-DEVICE-BACKFILEPTR
(LAMBDA (STREAM) (* hdj "26-Aug-86 17:35")
(\BACKFILEPTR (%%SYNONYM-STREAM-DEVICE-GET-STREAM STREAM))))
(%%SYNONYM-STREAM-DEVICE-SETFILEINFO
[LAMBDA (STREAM ATTRIBUTE VALUE DEVICE) (* hdj
"19-Mar-86 17:17")
(* * The SETFILEINFO method for the synonym-stream device.)
(SETFILEINFO (%%SYNONYM-STREAM-DEVICE-GET-STREAM STREAM)
ATTRIBUTE VALUE])
)
(DEFINEQ
(%%TWO-WAY-STREAM-DEVICE-BIN
[LAMBDA (stream) (* smL "14-Aug-85 16:44")
(* * The BIN method for the two-way-stream device)
(\BIN (fetch F1 of stream])
(%%TWO-WAY-STREAM-DEVICE-BOUT
(LAMBDA (STREAM BYTE) (* hdj "17-Sep-86 15:28")
(* ;; " the BOUT method for two-way streams")
(\BOUT (fetch F2 of STREAM)
BYTE)))
(%%TWO-WAY-STREAM-DEVICE-OUTCHARFN
(LAMBDA (STREAM CHARCODE) (* hdj "17-Sep-86 15:26")
(* ;; "outcharfn for two-way streams")
(\OUTCHAR (fetch (STREAM F2) of STREAM)
CHARCODE)))
(%%TWO-WAY-STREAM-DEVICE-CLOSEFILE
[LAMBDA (stream) (* smL "14-Aug-85 17:02")
(* * The CLOSEFILE method for the two-way-stream device)
(replace ACCESS of stream with NIL)
(CLOSEF? (fetch F1 of stream))
(replace F1 of stream with NIL)
(CLOSEF? (fetch F2 of stream))
(replace F2 of stream with NIL)
stream])
(%%TWO-WAY-STREAM-DEVICE-EOFP
[LAMBDA (stream) (* smL "14-Aug-85 16:47")
(* * The EOFP method for the two-way-stream device)
(\EOFP (fetch F1 of stream])
(%%TWO-WAY-STREAM-DEVICE-BACKFILEPTR
(LAMBDA (STREAM) (* hdj "15-Sep-86 15:02")
(\BACKFILEPTR (fetch (STREAM F1) of STREAM))))
(%%TWO-WAY-STREAM-DEVICE-FORCEOUTPUT
[LAMBDA (stream waitForFinish?) (* smL "14-Aug-85 16:49")
(* * the FORCEOUTPUT method for the two-way-stream device)
(FORCEOUTPUT (fetch F2 of stream)
waitForFinish?])
(%%TWO-WAY-STREAM-DEVICE-OPENFILE
(LAMBDA (NAME ACCESS RECOG PARAMETERS DEVICE) (* hdj "29-Sep-86 17:45")
(* ;;;
"The OPENFILE method for the two-way-stream device")
(SELECTQ ACCESS
((INPUT OUTPUT APPEND)
NIL)
(create STREAM
DEVICE ← DEVICE
F1 ← (CADR (ASSOC (QUOTE INPUT-STREAM)
PARAMETERS))
F2 ← (CADR (ASSOC (QUOTE OUTPUT-STREAM)
PARAMETERS))
OUTCHARFN ← (FUNCTION %%TWO-WAY-STREAM-DEVICE-OUTCHARFN)
CHARSET ← 255))))
(%%TWO-WAY-STREAM-DEVICE-PEEKBIN
[LAMBDA (stream noErrorFlg?) (* smL "14-Aug-85 16:46")
(* * The PEEKBIN method for the two-way-stream device)
(\PEEKBIN (fetch F1 of stream)
noErrorFlg?])
)
(DEFUN %%FILL-POINTER-STREAM-DEVICE-CLOSEFILE (STREAM)
(* * "the CLOSEFILE method for the fill-pointer-string-stream device")
(replace F1 of STREAM with NIL)
STREAM)
(DEFUN %%FILL-POINTER-STREAM-DEVICE-GETFILEPTR (STREAM) (CL:LENGTH (fetch (STREAM F1) of STREAM)))
(* ;; "helper stuff")
(DEFINEQ
(%%SYNONYM-STREAM-DEVICE-GET-STREAM
[LAMBDA (stream) (* hdj
"19-Mar-86 14:59")
(* * given a synonym-stream, find out what it is currently tracking)
(* * this should be a macro)
(SYMBOL-VALUE (fetch (STREAM F1) of stream])
)
(* ;; "package initialization")
(DEFVAR *TRACE-OUTPUT* )
(DEFVAR *DEBUG-IO* )
(DEFVAR *QUERY-IO* )
(DEFVAR *TERMINAL-IO* )
(DEFVAR *ERROR-OUTPUT* )
(DEFVAR *STANDARD-OUTPUT* )
(DEFVAR *STANDARD-INPUT* )
(DEFUN %%INITIALIZE-STANDARD-STREAMS NIL (*)
(SETQ *QUERY-IO* (MAKE-TWO-WAY-STREAM (MAKE-SYNONYM-STREAM
(QUOTE \LINEBUF.OFD))
(MAKE-SYNONYM-STREAM (QUOTE
\TERM.OFD
))))
(SETQ *DEBUG-IO* *QUERY-IO*)
(SETQ *TERMINAL-IO* *QUERY-IO*)
(SETQ *ERROR-OUTPUT* (MAKE-SYNONYM-STREAM (QUOTE \TERM.OFD))
)
(SETQ *STANDARD-OUTPUT* (MAKE-SYNONYM-STREAM (QUOTE
\PRIMOUT.OFD
)))
(SETQ *STANDARD-INPUT* (MAKE-SYNONYM-STREAM (QUOTE
\PRIMIN.OFD
)))
(SETQ *TRACE-OUTPUT* (MAKE-SYNONYM-STREAM (QUOTE \TERM.OFD))
))
(DEFINEQ
(%%INITIALIZE-CLSTREAM-TYPES
(LAMBDA NIL (* hdj "15-Sep-86 15:11")
(* * "Initialize the CLSTREAMS package. This sets up some file devices for the functions make-two-way-stream-device, etc. See CLtL chapter 21")
(DECLARE (GLOBALVARS \FILL-POINTER-STREAM-DEVICE))
(\DEFINEDEVICE (QUOTE BROADCAST-STREAM-DEVICE)
(create FDEV
DEVICENAME ← (QUOTE BROADCAST-STREAM-DEVICE)
RESETABLE ← NIL
RANDOMACCESSP ← NIL
NODIRECTORIES ← T
BUFFERED ← NIL
PAGEMAPPED ← NIL
FDBINABLE ← NIL
FDBOUTABLE ← NIL
FDEXTENDABLE ← NIL
DEVICEINFO ← NIL
HOSTNAMEP ← (FUNCTION NILL)
EVENTFN ← (FUNCTION NILL)
DIRECTORYNAMEP ← (FUNCTION NILL)
OPENFILE ← (FUNCTION %%BROADCAST-STREAM-DEVICE-OPENFILE)
REOPENFILE ← (FUNCTION NILL)
CLOSEFILE ← (FUNCTION %%BROADCAST-STREAM-DEVICE-CLOSEFILE)
GETFILENAME ← (FUNCTION NILL)
DELETEFILE ← (FUNCTION NILL)
GENERATEFILES ← (FUNCTION \GENERATENOFILES)
RENAMEFILE ← (FUNCTION NILL)
BIN ← (FUNCTION NILL)
BOUT ← (FUNCTION %%BROADCAST-STREAM-DEVICE-BOUT)
PEEKBIN ← (FUNCTION NILL)
READP ← (FUNCTION NILL)
EOFP ← (FUNCTION TRUE)
BLOCKIN ← (FUNCTION \GENERIC.BINS)
BLOCKOUT ← (FUNCTION NILL)
FORCEOUTPUT ← (FUNCTION %%BROADCAST-STREAM-DEVICE-FORCEOUTPUT)
GETFILEINFO ← (FUNCTION NILL)
SETFILEINFO ← (FUNCTION NILL)))
(\DEFINEDEVICE (QUOTE CONCATENATED-STREAM-DEVICE)
(create FDEV
DEVICENAME ← (QUOTE CONCATENATED-STREAM-DEVICE)
RESETABLE ← NIL
RANDOMACCESSP ← NIL
NODIRECTORIES ← T
BUFFERED ← NIL
PAGEMAPPED ← NIL
FDBINABLE ← NIL
FDBOUTABLE ← NIL
FDEXTENDABLE ← NIL
DEVICEINFO ← NIL
HOSTNAMEP ← (FUNCTION NILL)
EVENTFN ← (FUNCTION NILL)
DIRECTORYNAMEP ← (FUNCTION NILL)
OPENFILE ← (FUNCTION %%CONCATENATED-STREAM-DEVICE-OPENFILE)
REOPENFILE ← (FUNCTION NILL)
CLOSEFILE ← (FUNCTION %%CONCATENATED-STREAM-DEVICE-CLOSEFILE)
GETFILENAME ← (FUNCTION NILL)
DELETEFILE ← (FUNCTION NILL)
GENERATEFILES ← (FUNCTION \GENERATENOFILES)
RENAMEFILE ← (FUNCTION NILL)
BIN ← (FUNCTION %%CONCATENATED-STREAM-DEVICE-BIN)
BOUT ← (FUNCTION NILL)
PEEKBIN ← (FUNCTION %%CONCATENATED-STREAM-DEVICE-PEEKBIN)
READP ← (FUNCTION \GENERIC.READP)
EOFP ← (FUNCTION %%CONCATENATED-STREAM-DEVICE-EOFP)
BLOCKIN ← (FUNCTION \GENERIC.BINS)
BLOCKOUT ← (FUNCTION NILL)
FORCEOUTPUT ← (FUNCTION NILL)
GETFILEINFO ← (FUNCTION NILL)
SETFILEINFO ← (FUNCTION NILL)))
(\DEFINEDEVICE (QUOTE TWO-WAY-STREAM-DEVICE)
(create FDEV
DEVICENAME ← (QUOTE TWO-WAY-STREAM-DEVICE)
RESETABLE ← NIL
RANDOMACCESSP ← NIL
NODIRECTORIES ← T
BUFFERED ← NIL
PAGEMAPPED ← NIL
FDBINABLE ← NIL
FDBOUTABLE ← NIL
FDEXTENDABLE ← NIL
DEVICEINFO ← NIL
HOSTNAMEP ← (FUNCTION NILL)
EVENTFN ← (FUNCTION NILL)
DIRECTORYNAMEP ← (FUNCTION NILL)
OPENFILE ← (FUNCTION %%TWO-WAY-STREAM-DEVICE-OPENFILE)
REOPENFILE ← (FUNCTION NILL)
CLOSEFILE ← (FUNCTION %%TWO-WAY-STREAM-DEVICE-CLOSEFILE)
GETFILENAME ← (FUNCTION NILL)
DELETEFILE ← (FUNCTION NILL)
GENERATEFILES ← (FUNCTION \GENERATENOFILES)
RENAMEFILE ← (FUNCTION NILL)
BIN ← (FUNCTION %%TWO-WAY-STREAM-DEVICE-BIN)
BOUT ← (FUNCTION %%TWO-WAY-STREAM-DEVICE-BOUT)
PEEKBIN ← (FUNCTION %%TWO-WAY-STREAM-DEVICE-PEEKBIN)
READP ← (FUNCTION \GENERIC.READP)
BACKFILEPTR ← (FUNCTION %%TWO-WAY-STREAM-DEVICE-BACKFILEPTR)
EOFP ← (FUNCTION %%TWO-WAY-STREAM-DEVICE-EOFP)
BLOCKIN ← (FUNCTION \GENERIC.BINS)
BLOCKOUT ← (FUNCTION \GENERIC.BOUTS)
FORCEOUTPUT ← (FUNCTION %%TWO-WAY-STREAM-DEVICE-FORCEOUTPUT)
GETFILEINFO ← (FUNCTION NILL)
SETFILEINFO ← (FUNCTION NILL)))
(\DEFINEDEVICE (QUOTE ECHO-STREAM-DEVICE)
(create FDEV using (\GETDEVICEFROMNAME (QUOTE TWO-WAY-STREAM-DEVICE))
DEVICENAME ← (QUOTE ECHO-STREAM-DEVICE)
BIN ← (FUNCTION %%ECHO-STREAM-DEVICE-BIN)))
(\DEFINEDEVICE (QUOTE SYNONYM-STREAM-DEVICE)
(create FDEV
DEVICENAME ← (QUOTE SYNONYM-STREAM-DEVICE)
RESETABLE ← NIL
RANDOMACCESSP ← NIL
NODIRECTORIES ← T
BUFFERED ← NIL
PAGEMAPPED ← NIL
FDBINABLE ← NIL
FDBOUTABLE ← NIL
FDEXTENDABLE ← NIL
DEVICEINFO ← NIL
HOSTNAMEP ← (FUNCTION NILL)
EVENTFN ← (FUNCTION NILL)
DIRECTORYNAMEP ← (FUNCTION NILL)
OPENFILE ← (FUNCTION %%SYNONYM-STREAM-DEVICE-OPENFILE)
REOPENFILE ← (FUNCTION NILL)
CLOSEFILE ← (FUNCTION %%SYNONYM-STREAM-DEVICE-CLOSEFILE)
GETFILENAME ← (FUNCTION NILL)
DELETEFILE ← (FUNCTION NILL)
GENERATEFILES ← (FUNCTION \GENERATENOFILES)
RENAMEFILE ← (FUNCTION NILL)
BIN ← (FUNCTION %%SYNONYM-STREAM-DEVICE-BIN)
BOUT ← (FUNCTION %%SYNONYM-STREAM-DEVICE-BOUT)
PEEKBIN ← (FUNCTION %%SYNONYM-STREAM-DEVICE-PEEKBIN)
READP ← (FUNCTION %%SYNONYM-STREAM-DEVICE-READP)
BACKFILEPTR ← (FUNCTION %%SYNONYM-STREAM-DEVICE-BACKFILEPTR)
EOFP ← (FUNCTION %%SYNONYM-STREAM-DEVICE-EOFP)
BLOCKIN ← (FUNCTION \GENERIC.BINS)
BLOCKOUT ← (FUNCTION \GENERIC.BOUTS)
FORCEOUTPUT ← (FUNCTION %%SYNONYM-STREAM-DEVICE-FORCEOUTPUT)
GETFILEINFO ← (FUNCTION %%SYNONYM-STREAM-DEVICE-GETFILEINFO)
SETFILEINFO ← (FUNCTION %%SYNONYM-STREAM-DEVICE-SETFILEINFO)))
(SETQ \FILL-POINTER-STREAM-DEVICE
(create FDEV
DEVICENAME ← (QUOTE FILL-POINTER-STREAM-DEVICE)
RESETABLE ← NIL
RANDOMACCESSP ← NIL
NODIRECTORIES ← T
BUFFERED ← NIL
PAGEMAPPED ← NIL
FDBINABLE ← NIL
FDBOUTABLE ← NIL
FDEXTENDABLE ← NIL
DEVICEINFO ← NIL
HOSTNAMEP ← (FUNCTION NILL)
EVENTFN ← (FUNCTION NILL)
DIRECTORYNAMEP ← (FUNCTION NILL)
OPENFILE ← (FUNCTION NILL)
REOPENFILE ← (FUNCTION NILL)
CLOSEFILE ← (FUNCTION %%FILL-POINTER-STREAM-DEVICE-CLOSEFILE)
GETFILENAME ← (FUNCTION NILL)
DELETEFILE ← (FUNCTION NILL)
GENERATEFILES ← (FUNCTION \GENERATENOFILES)
RENAMEFILE ← (FUNCTION NILL)
BIN ← (FUNCTION \ILLEGAL.DEVICEOP)
BOUT ← (FUNCTION NILL)
PEEKBIN ← (FUNCTION \ILLEGAL.DEVICEOP)
READP ← (FUNCTION \ILLEGAL.DEVICEOP)
EOFP ← (FUNCTION NILL)
BLOCKIN ← (FUNCTION \ILLEGAL.DEVICEOP)
BLOCKOUT ← (FUNCTION \GENERIC.BOUTS)
FORCEOUTPUT ← (FUNCTION NILL)
GETFILEPTR ← (FUNCTION %%FILL-POINTER-STREAM-DEVICE-GETFILEPTR)
SETFILEINFO ← (FUNCTION \ILLEGAL.DEVICEOP)))))
)
(DECLARE: DONTEVAL@LOAD DOCOPY
(%%INITIALIZE-CLSTREAM-TYPES)
(%%INITIALIZE-STANDARD-STREAMS)
)
(PUTPROPS CLSTREAMS FILETYPE COMPILE-FILE)
(DEFSETF FILE-STREAM-POSITION SETFILEPTR)
(PUTPROPS CLSTREAMS COPYRIGHT ("Xerox Corporation" 1985 1986))
(DECLARE: DONTCOPY
(FILEMAP (NIL (25493 27524 (%%BROADCAST-STREAM-DEVICE-BOUT 25503 . 25798) (
%%BROADCAST-STREAM-DEVICE-OUTCHARFN 25800 . 26149) (%%BROADCAST-STREAM-DEVICE-CLOSEFILE 26151 . 26578)
(%%BROADCAST-STREAM-DEVICE-FORCEOUTPUT 26580 . 26885) (%%BROADCAST-STREAM-DEVICE-OPENFILE 26887 .
27522)) (27525 30275 (%%CONCATENATED-STREAM-DEVICE-BIN 27535 . 28115) (
%%CONCATENATED-STREAM-DEVICE-CLOSEFILE 28117 . 28517) (%%CONCATENATED-STREAM-DEVICE-EOFP 28519 . 29049
) (%%CONCATENATED-STREAM-DEVICE-OPENFILE 29051 . 29616) (%%CONCATENATED-STREAM-DEVICE-PEEKBIN 29618 .
30273)) (30276 30586 (%%ECHO-STREAM-DEVICE-BIN 30286 . 30584)) (30587 34903 (
%%SYNONYM-STREAM-DEVICE-BIN 30597 . 30955) (%%SYNONYM-STREAM-DEVICE-BOUT 30957 . 31335) (
%%SYNONYM-STREAM-DEVICE-OUTCHARFN 31337 . 31664) (%%SYNONYM-STREAM-DEVICE-CLOSEFILE 31666 . 32037) (
%%SYNONYM-STREAM-DEVICE-EOFP 32039 . 32400) (%%SYNONYM-STREAM-DEVICE-FORCEOUTPUT 32402 . 32809) (
%%SYNONYM-STREAM-DEVICE-GETFILEINFO 32811 . 33214) (%%SYNONYM-STREAM-DEVICE-OPENFILE 33216 . 33753) (
%%SYNONYM-STREAM-DEVICE-PEEKBIN 33755 . 34148) (%%SYNONYM-STREAM-DEVICE-READP 34150 . 34284) (
%%SYNONYM-STREAM-DEVICE-BACKFILEPTR 34286 . 34490) (%%SYNONYM-STREAM-DEVICE-SETFILEINFO 34492 . 34901)
) (34904 37948 (%%TWO-WAY-STREAM-DEVICE-BIN 34914 . 35149) (%%TWO-WAY-STREAM-DEVICE-BOUT 35151 . 35447
) (%%TWO-WAY-STREAM-DEVICE-OUTCHARFN 35449 . 35765) (%%TWO-WAY-STREAM-DEVICE-CLOSEFILE 35767 . 36225)
(%%TWO-WAY-STREAM-DEVICE-EOFP 36227 . 36461) (%%TWO-WAY-STREAM-DEVICE-BACKFILEPTR 36463 . 36657) (
%%TWO-WAY-STREAM-DEVICE-FORCEOUTPUT 36659 . 36936) (%%TWO-WAY-STREAM-DEVICE-OPENFILE 36938 . 37677) (
%%TWO-WAY-STREAM-DEVICE-PEEKBIN 37679 . 37946)) (38302 38752 (%%SYNONYM-STREAM-DEVICE-GET-STREAM 38312
. 38750)) (40589 49079 (%%INITIALIZE-CLSTREAM-TYPES 40599 . 49077)))))
STOP