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APRINT
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(DEFINE-FILE-INFO PACKAGE "INTERLISP" READTABLE "INTERLISP" BASE 10)
(FILECREATED " 9-Jun-2021 22:50:15"
{DSK}<Users>kaplan>Local>medley3.5>git-medley>sources>APRINT.;11 79264
changes to%: (VARS APRINTCOMS)
previous date%: "10-May-2021 15:46:22"
{DSK}<Users>kaplan>Local>medley3.5>git-medley>sources>APRINT.;10)
(* ; "
Copyright (c) 1982-1988, 1990-1991, 2020-2021 by Venue & Xerox Corporation.
")
(PRETTYCOMPRINT APRINTCOMS)
(RPAQQ APRINTCOMS
[(COMS (* ; "User-level print functions")
(FNS PRIN1 PRIN2 PRIN3 PRIN4 PRINT PRINTCCODE \PRINTCCODE PRINTLEVEL RADIX SPACES
TERPRI FRESHLINE DEFPRINT LINELENGTH))
(INITVARS (PLVLFILEFLG NIL)
(\LINELENGTH 82)
(\FLOATFORMAT T)
(PRXFLG NIL)
(*PRINT-BASE* 10)
(*READ-BASE* 10)
(*PRINT-RADIX* NIL)
(*PRINT-ESCAPE* T)
(*PRINT-CASE* ':UPCASE)
(*PRINT-GENSYM* T)
(*PRINT-LEVEL* NIL)
(*PRINT-LENGTH* NIL)
(*PRINT-PRETTY* NIL)
(*PRINT-CIRCLE* NIL)
(*PRINT-ARRAY* NIL)
(*PRINT-CIRCLE-HASHTABLE* NIL)
(*PACKAGE* NIL)
(*KEYWORD-PACKAGE* NIL)
(*INTERLISP-PRIN1-CASE* ':UPCASE)
(\DEFPRINTFNS NIL))
(COMS (* ; "PRINT internals")
(FNS PRINT-CIRCLE-LOOKUP PRINT-CIRCLE-LABEL-P PRINT-CIRCLE-SCAN PRINT-CIRCLE-ENTER)
(FNS \PRINDATUM \PRINT-USING-DEFPRINT \PRINT-USING-ADDRESS \ELIDE.PRINT.ELEMENT
\ELIDE.ELEMENT.CHAR \ELIDE.PRINT.TAIL \ELIDE.TAIL.STRING \CKPOSBOUT \CKPOSSOUT
\CONVERTNUMBER \LITPRIN \LITPRIN.INTERNAL \SYMBOL.ESCAPE.COUNT \NUMERIC.PNAMEP
\PRINSTACKP \PRINTADDR \PRINSTRING \SOUT)
(DECLARE%: EVAL@COMPILE DONTCOPY (MACROS .FILELINELENGTH.)
(FUNCTIONS \PRINDATUM-LISTP)
(EXPORT (MACROS .SPACECHECK. \CHECKRADIX)))
(FNS \INVALID.RADIX)
(SPECVARS \THISFILELINELENGTH))
(COMS (* ; "Internal printing")
(FNS \MAPPNAME \MAPPNAME.INTERNAL PNAMESTREAMP)
(DECLARE%: DONTCOPY (RESOURCES \MAPPNAMESTREAM)
(MACROS PNAMESTREAMP))
(INITRESOURCES \MAPPNAMESTREAM)
[INITVARS (\PNAMEDEVICE (NCREATE 'FDEV (\GETDEVICEFROMHOSTNAME 'NULL T]
(GLOBALVARS \PNAMEDEVICE))
(COMS (* ; "Obsolete")
(FNS \MAPCHARS))
(DECLARE%: EVAL@COMPILE DOCOPY
(ADDVARS (SYSSPECVARS *PRINT-BASE* *READ-BASE* *PRINT-RADIX* *PRINT-ESCAPE*
*PRINT-CASE* *PRINT-GENSYM* *PRINT-LEVEL* *PRINT-LENGTH*
*PRINT-PRETTY* *PRINT-CIRCLE* *PRINT-ARRAY* *PACKAGE*)))
(COMS (* ; "PRINTNUM and friends")
(FNS PRINTNUM FLTFMT \CHECKFLTFMT PRINTNUM-TO-STRING)
(MACROS NUMFORMATCODE)
(INITVARS (NILNUMPRINTFLG)))
(LOCALVARS . T)
(GLOBALVARS \LINELENGTH \FLOATFORMAT PRXFLG \DEFPRINTFNS)
(DECLARE%: DONTEVAL@LOAD DOEVAL@COMPILE DONTCOPY COMPILERVARS (ADDVARS (NLAMA)
(NLAML)
(LAMA])
(* ; "User-level print functions")
(DEFINEQ
(PRIN1
[LAMBDA (X FILE) (* bvm%: "29-Sep-86 23:59")
(* ;;; "Like PRIN2 but no escaping. Also implies no radix qualifiers, although Common Lisp separates *PRINT-RADIX* from *PRINT-ESCAPE* -- might want to bind *PRINT-RADIX* to (AND (fetch (READTABLEP COMMONLISP) of *READTABLE*) *PRINT-RADIX*)")
(LET* [(STRM (\GETSTREAM FILE 'OUTPUT))
(OBEY-PRINT-LEVEL (OR (ffetch (READTABLEP COMMONLISP) of (\DTEST *READTABLE*
'READTABLEP))
(OR (\OUTTERMP STRM)
PLVLFILEFLG]
(LET ((*PRINT-ESCAPE* NIL)
(*PRINT-RADIX* NIL)
(*PRINT-LEVEL* (AND OBEY-PRINT-LEVEL *PRINT-LEVEL*))
(*PRINT-LENGTH* (AND OBEY-PRINT-LEVEL *PRINT-LENGTH*))
(*PRINT-CASE* (OR *INTERLISP-PRIN1-CASE* *PRINT-CASE*))
\THISFILELINELENGTH)
(DECLARE (SPECVARS *PRINT-RADIX* *PRINT-ESCAPE* *PRINT-LEVEL* *PRINT-LENGTH*
*PRINT-CASE* \THISFILELINELENGTH))
(* ;
"*PRINT-CASE* because too many things in Interlisp prin1 things expecting the symbol's pname")
(SETQ \THISFILELINELENGTH (.FILELINELENGTH. STRM))
(\PRINDATUM X STRM 0)
X])
(PRIN2
[LAMBDA (X FILE RDTBL) (* ; "Edited 20-Jan-87 17:04 by bvm:")
(LET* [(STRM (\GETSTREAM FILE 'OUTPUT))
(OBEY-PRINT-LEVEL (OR (fetch (READTABLEP COMMONLISP) of (SETQ RDTBL (\GTREADTABLE
RDTBL)))
(OR (\OUTTERMP STRM)
PLVLFILEFLG]
(LET ((*READTABLE* RDTBL)
(*PRINT-ESCAPE* T)
(*PRINT-LEVEL* (AND OBEY-PRINT-LEVEL *PRINT-LEVEL*))
(*PRINT-LENGTH* (AND OBEY-PRINT-LEVEL *PRINT-LENGTH*))
(*PACKAGE* (if (fetch (READTABLEP USESILPACKAGE) of RDTBL)
then *INTERLISP-PACKAGE*
else *PACKAGE*))
\THISFILELINELENGTH)
(DECLARE (SPECVARS *PRINT-ESCAPE* *READTABLE* *PRINT-LEVEL* *PRINT-LENGTH*
*PACKAGE* \THISFILELINELENGTH))
(SETQ \THISFILELINELENGTH (.FILELINELENGTH. STRM))
(\PRINDATUM X STRM 0)
X])
(PRIN3
[LAMBDA (X FILE) (* bvm%: "29-Sep-86 23:59")
(* ;;; "Like PRIN1 but no linelength checking")
(LET* [(STRM (\GETSTREAM FILE 'OUTPUT))
(OBEY-PRINT-LEVEL (OR (ffetch (READTABLEP COMMONLISP) of (\DTEST *READTABLE*
'READTABLEP))
(OR (\OUTTERMP STRM)
PLVLFILEFLG]
(LET ((*PRINT-ESCAPE* NIL)
(*PRINT-RADIX* NIL)
(*PRINT-LEVEL* (AND OBEY-PRINT-LEVEL *PRINT-LEVEL*))
(*PRINT-LENGTH* (AND OBEY-PRINT-LEVEL *PRINT-LENGTH*))
(*PRINT-CASE* (OR *INTERLISP-PRIN1-CASE* *PRINT-CASE*))
\THISFILELINELENGTH)
(DECLARE (SPECVARS *PRINT-RADIX* *PRINT-ESCAPE* *PRINT-LEVEL* *PRINT-LENGTH*
\THISFILELINELENGTH))
(\PRINDATUM X STRM 0)
X])
(PRIN4
[LAMBDA (X FILE RDTBL) (* ; "Edited 20-Jan-87 17:05 by bvm:")
(* ;;; "Like PRIN2 but doesn't check linelength")
(LET* [(STRM (\GETSTREAM FILE 'OUTPUT))
(OBEY-PRINT-LEVEL (OR (fetch (READTABLEP COMMONLISP) of (SETQ RDTBL (\GTREADTABLE
RDTBL)))
(OR (\OUTTERMP STRM)
PLVLFILEFLG]
(LET ((*READTABLE* RDTBL)
(*PRINT-ESCAPE* T)
(*PRINT-LEVEL* (AND OBEY-PRINT-LEVEL *PRINT-LEVEL*))
(*PRINT-LENGTH* (AND OBEY-PRINT-LEVEL *PRINT-LENGTH*))
(*PACKAGE* (if (fetch (READTABLEP USESILPACKAGE) of RDTBL)
then *INTERLISP-PACKAGE*
else *PACKAGE*))
\THISFILELINELENGTH)
(DECLARE (SPECVARS *PRINT-ESCAPE* *READTABLE* *PRINT-LEVEL* *PRINT-LENGTH*
*PACKAGE* \THISFILELINELENGTH))
(\PRINDATUM X STRM 0)
X])
(PRINT
[LAMBDA (X FILE RDTBL) (* bvm%: " 9-May-86 23:08")
(LET [(STRM (\GETSTREAM FILE 'OUTPUT]
(PRIN2 X STRM RDTBL)
(\OUTCHAR STRM (CHARCODE EOL))
X])
(PRINTCCODE
[LAMBDA (CHARCODE FILE) (* bvm%: " 9-May-86 22:44")
(\OUTCHAR (\GETSTREAM FILE 'OUTPUT)
(COND
((\CHARCODEP CHARCODE)
CHARCODE)
(T (\ILLEGAL.ARG CHARCODE])
(\PRINTCCODE
[LAMBDA (CHARCODE FILE) (* ; "Edited 5-May-2021 09:56 by rmk:")
(* ;; "A copy of PRINTCCODE to be used in internal functions where \OUTCHAR doesn't have to be compiled open but which we don't want to screw up if the user breaks PRINTCCODE")
(\OUTCHAR (\GETSTREAM FILE 'OUTPUT)
(COND
((\CHARCODEP CHARCODE)
CHARCODE)
(T (\ILLEGAL.ARG CHARCODE])
(PRINTLEVEL
[LAMBDA (CARVAL CDRVAL) (* bvm%: " 9-May-86 22:47")
(* ;;; "Sets Interlisp print level to the given values in CAR and CDR directions. These correspond to *PRINT-LEVEL* and *PRINT-LENGTH* in Common Lisp")
[COND
((LISTP CARVAL)
(SETQ CDRVAL (CDR CARVAL))
(SETQ CARVAL (CAR CARVAL]
(PROG1 (CONS (OR *PRINT-LEVEL* -1)
(OR *PRINT-LENGTH* -1))
[COND
(CARVAL (SETQ *PRINT-LEVEL* (AND (IGEQ CARVAL 0)
CARVAL]
[COND
(CDRVAL (SETQ *PRINT-LENGTH* (AND (IGEQ CDRVAL 0)
CDRVAL])])
(RADIX
[LAMBDA (N) (* bvm%: " 5-May-86 10:56")
(PROG1 *PRINT-BASE*
(AND N (SETQ *PRINT-BASE* (\CHECKRADIX N))))])
(SPACES
[LAMBDA (N FILE) (* rmk%: "21-OCT-83 12:32")
[PROG ((STREAM (\GETSTREAM FILE 'OUTPUT))
\THISFILELINELENGTH)
(SETQ \THISFILELINELENGTH (.FILELINELENGTH. STREAM))
(.SPACECHECK. STREAM N)
(FRPTQ N (\OUTCHAR STREAM (CHARCODE SPACE]
NIL])
(TERPRI
[LAMBDA (FILE) (* rmk%: "21-OCT-83 12:31")
(\OUTCHAR (\GETSTREAM FILE 'OUTPUT)
(CHARCODE EOL))
NIL])
(FRESHLINE
[LAMBDA (STREAM) (* rmk%: "22-AUG-83 13:48")
(* ;; "Adjusts the STREAM to be at a new line -- does equivalent of TERPRI unless it is already 'sitting at the beginning of a line'")
(COND
([NEQ 0 (fetch CHARPOSITION of (COND
((AND (type? STREAM STREAM)
(WRITEABLE STREAM))
STREAM)
(T (SETQ STREAM (GETSTREAM STREAM 'OUTPUT]
(\OUTCHAR STREAM (CHARCODE EOL))
T])
(DEFPRINT
[LAMBDA (TYPE FN) (* rmk%: "28-APR-80 12:04")
(AND (FIXP TYPE)
(SETQ TYPE (\TYPENAMEFROMNUMBER TYPE))) (* ;
"The FIXP case should never occur")
(PROG ((F (FASSOC TYPE \DEFPRINTFNS)))
[COND
(F (SETQ \DEFPRINTFNS (DREMOVE F \DEFPRINTFNS]
[COND
(FN (SETQ \DEFPRINTFNS (CONS (CONS TYPE FN)
\DEFPRINTFNS]
(RETURN (CDR F])
(LINELENGTH
[LAMBDA (N FILE) (* bvm%: "11-Mar-86 14:56")
(* ;;; "Sets to N the linelength of FILE -- defaults to primary output file")
(LET [(STREAM (\GETSTREAM FILE 'OUTPUT]
(PROG1 (fetch (STREAM LINELENGTH) of STREAM)
[AND N (COND
((AND (NUMBERP N)
(ILESSP N 1))
(\ILLEGAL.ARG N))
(T (replace (STREAM LINELENGTH) of STREAM with
(COND
((EQ N T)
(* ; "Infinite")
MAX.SMALLP)
(T (FIX N])])
)
(RPAQ? PLVLFILEFLG NIL)
(RPAQ? \LINELENGTH 82)
(RPAQ? \FLOATFORMAT T)
(RPAQ? PRXFLG NIL)
(RPAQ? *PRINT-BASE* 10)
(RPAQ? *READ-BASE* 10)
(RPAQ? *PRINT-RADIX* NIL)
(RPAQ? *PRINT-ESCAPE* T)
(RPAQ? *PRINT-CASE* ':UPCASE)
(RPAQ? *PRINT-GENSYM* T)
(RPAQ? *PRINT-LEVEL* NIL)
(RPAQ? *PRINT-LENGTH* NIL)
(RPAQ? *PRINT-PRETTY* NIL)
(RPAQ? *PRINT-CIRCLE* NIL)
(RPAQ? *PRINT-ARRAY* NIL)
(RPAQ? *PRINT-CIRCLE-HASHTABLE* NIL)
(RPAQ? *PACKAGE* NIL)
(RPAQ? *KEYWORD-PACKAGE* NIL)
(RPAQ? *INTERLISP-PRIN1-CASE* ':UPCASE)
(RPAQ? \DEFPRINTFNS NIL)
(* ; "PRINT internals")
(DEFINEQ
(PRINT-CIRCLE-LOOKUP
[LAMBDA (OBJECT) (* Pavel "16-Oct-86 21:13")
(LET ((TABLEENTRY (GETHASH OBJECT *PRINT-CIRCLE-HASHTABLE*)))
(CASE TABLEENTRY
((T1 NIL) (CL:VALUES NIL NIL))
(T2 (CL:VALUES (PROG1 (CONCAT (CHARACTER (fetch (READTABLEP HASHMACROCHAR)
of *READTABLE*))
*PRINT-CIRCLE-NUMBER* "=")
(CL:SETF (CL:GETHASH OBJECT *PRINT-CIRCLE-HASHTABLE*)
*PRINT-CIRCLE-NUMBER*)
(CL:INCF *PRINT-CIRCLE-NUMBER*))
T))
(CL:OTHERWISE (CL:IF (NUMBERP TABLEENTRY)
(CL:VALUES (CONCAT (CHARACTER (fetch (READTABLEP HASHMACROCHAR)
of *READTABLE*))
TABLEENTRY "#")
NIL)
(CL:ERROR "Print-circle-lookup hashtable error!"))))])
(PRINT-CIRCLE-LABEL-P
[CL:LAMBDA (OBJECT) (* jrb%: "30-Jun-86 23:04")
(DECLARE (CL:SPECIAL *PRINT-CIRCLE-HASHTABLE*))
(CL:BLOCK PRINT-CIRCLE-LABEL-P
(LET ((TABLEENTRY (GETHASH OBJECT *PRINT-CIRCLE-HASHTABLE*)))
(COND
((EQ TABLEENTRY 'T2))
((CL:INTEGERP TABLEENTRY)
TABLEENTRY)
(T NIL))))])
(PRINT-CIRCLE-SCAN
[CL:LAMBDA (OBJECT) (* ; "Edited 16-Jan-87 15:53 by jrb:")
(DECLARE (CL:SPECIAL *PRINT-ARRAY*))
(CL:TYPECASE OBJECT
(CONS [COND
((NOT (PRINT-CIRCLE-ENTER OBJECT))
(PRINT-CIRCLE-SCAN (CAR OBJECT))
(PRINT-CIRCLE-SCAN (CDR OBJECT])
(CL::STRUCTURE-OBJECT [COND
((AND XCL:*PRINT-STRUCTURE* (NOT (PRINT-CIRCLE-ENTER OBJECT
)))
(CL:MAPCAR [FUNCTION (LAMBDA (DESCRIPTOR)
(PRINT-CIRCLE-SCAN (FETCHFIELD
DESCRIPTOR
OBJECT]
(CL::STRUCTURE-POINTER-SLOTS (CL:TYPE-OF OBJECT])
((CL:ARRAY T) [COND
((AND *PRINT-ARRAY* (NOT (PRINT-CIRCLE-ENTER OBJECT)))
(* ;
"No need to walk array if we're not printing them")
(LET* [(ASIZE (CL:ARRAY-TOTAL-SIZE OBJECT))
(VARRAY (COND
((> (CL:ARRAY-RANK OBJECT)
1)
(CL:MAKE-ARRAY ASIZE :DISPLACED-TO OBJECT))
(T OBJECT]
(CL:DOTIMES (X ASIZE)
(PRINT-CIRCLE-SCAN (CL:AREF VARRAY X)))]))])
(PRINT-CIRCLE-ENTER
[CL:LAMBDA (OBJECT)
(DECLARE (CL:SPECIAL *PRINT-CIRCLE-HASHTABLE* THERE-ARE-CIRCLES))
(* ; "Edited 31-Mar-87 19:16 by jrb:")
(CASE (CL:GETHASH OBJECT *PRINT-CIRCLE-HASHTABLE*)
((NIL)
(CL:SETF (CL:GETHASH OBJECT *PRINT-CIRCLE-HASHTABLE*)
'T1)
NIL)
(T1
(CL:SETF (CL:GETHASH OBJECT *PRINT-CIRCLE-HASHTABLE*)
'T2)
(SETQ THERE-ARE-CIRCLES T)
T)
(T2 T)
(CL:OTHERWISE (CL:ERROR "Print-circle-enter hashtable error!")))])
)
(DEFINEQ
(\PRINDATUM
[LAMBDA (OBJECT STREAM CPL) (* ; "Edited 11-Feb-91 14:34 by jds")
(DECLARE (USEDFREE *READTABLE* *PRINT-RADIX* *PRINT-BASE* *PRINT-ESCAPE*))
(SELECTC (NTYPX OBJECT)
((LIST \LITATOM \NEW-ATOM)
(\LITPRIN OBJECT STREAM))
(\LISTP
(* ;; "macro call that uses the arguments already bound, to save a fn call.")
(\PRINDATUM-LISTP))
((LIST \SMALLP \FIXP)
(WITH-RESOURCES (\NUMSTR \NUMSTR1)
(\CKPOSSOUT STREAM (\CONVERTNUMBER
OBJECT
(\CHECKRADIX *PRINT-BASE*)
T
(AND (if (fetch (READTABLEP COMMONLISP)
of *READTABLE*)
then
(* ;
"Common Lisp controlled solely by this var")
*PRINT-RADIX*
else (* ;
"Interlisp prints radix if it is not 10 and we are prin2")
(AND *PRINT-ESCAPE* (NEQ *PRINT-BASE* 10)))
*READTABLE*)
\NUMSTR \NUMSTR1))))
(\FLOATP [WITH-RESOURCES (\NUMSTR \NUMSTR1)
(\CKPOSSOUT STREAM (\CONVERT.FLOATING.NUMBER OBJECT \NUMSTR \NUMSTR1
(COND
((AND (PNAMESTREAMP STREAM)
(NOT PRXFLG))
(* ;; "The pname of a number is unaffected by RADIX unless PRXFLG is true. This seems silly, but assorted code will break otherwise")
T)
(T \FLOATFORMAT])
(\STACKP (\PRINSTACKP OBJECT STREAM))
(COND
((STRINGP OBJECT)
(\PRINSTRING OBJECT STREAM))
((TYPENAMEP OBJECT 'CL::STRUCTURE-OBJECT)
(* ;; "this is a structure, don't use defprint.")
(CL::PRINT-STRUCTURE-INSTANCE OBJECT STREAM CPL))
((TYPENAMEP OBJECT 'T)
(* ;;
"this is a common-loops object, since it is a sub-class of t, so call the print-instance method.")
(PRINT-INSTANCE OBJECT STREAM 0))
(T (\PRINT-USING-DEFPRINT OBJECT STREAM CPL])
(\PRINT-USING-DEFPRINT
[LAMBDA (X STREAM CPL) (* ; "Edited 18-Dec-86 12:22 by bvm:")
(DECLARE (USEDFREE *PRINT-LEVEL*))
(LET* ((TYPE (TYPENAME X))
(FN (FASSOC TYPE \DEFPRINTFNS)))
(COND
([OR (NULL FN)
(NULL (SETQ FN (LET [(*PRINT-LEVEL* (AND *PRINT-LEVEL* (IDIFFERENCE *PRINT-LEVEL*
(OR CPL 0]
(* ;
"This way recursive calls to PRINT etc will be at the 'right' level")
(CL:FUNCALL (CDR FN)
X STREAM 0]
(* ;; "No defined printer, or printer declined to do anything")
(\PRINT-USING-ADDRESS X STREAM CPL))
((LISTP FN)
(* ;; "PRIN1 the CAR (usually a macro char) and PRIN2 the CDR. Nowadays there is little reason for a defprint fn to not do its own printing")
(AND (CAR FN)
(LET (*PRINT-ESCAPE*)
(\PRINDATUM (CAR FN)
STREAM)))
(AND (CDR FN)
(\PRINDATUM (CDR FN)
STREAM CPL])
(\PRINT-USING-ADDRESS
(CL:LAMBDA (X STREAM CPL)
(CL:BLOCK \PRINT-USING-ADDRESS
[LET ((TYPE (TYPENAME X)))
(COND
((fetch (READTABLEP COMMONLISP) of *READTABLE*)
(.SPACECHECK. STREAM 2)
(\OUTCHAR STREAM (fetch (READTABLEP HASHMACROCHAR) of *READTABLE*))
(\OUTCHAR STREAM (CHARCODE "<"))
(AND TYPE (\LITPRIN TYPE STREAM))
(\CKPOSSOUT STREAM " @ ")
(\PRINTADDR X STREAM)
(\CKPOSBOUT STREAM (CHARCODE ">")))
(T (\CKPOSBOUT STREAM (CHARCODE {))
(AND TYPE (\LITPRIN TYPE STREAM))
(\CKPOSBOUT STREAM (CHARCODE }))
(\OUTCHAR STREAM (CHARCODE "#"))
(\PRINTADDR X STREAM]
T)))
(\ELIDE.PRINT.ELEMENT
[LAMBDA (STREAM) (* jrb%: "29-Jun-86 21:05")
(\OUTCHAR STREAM (\ELIDE.ELEMENT.CHAR])
(\ELIDE.ELEMENT.CHAR
[LAMBDA NIL (* jrb%: "29-Jun-86 21:04")
(COND
((fetch (READTABLEP COMMONLISP) of *READTABLE*)
(fetch (READTABLEP HASHMACROCHAR) of *READTABLE*))
(T (CHARCODE "&"])
(\ELIDE.PRINT.TAIL
[LAMBDA (STREAM NOSPACEP) (* jrb%: "29-Jun-86 21:06")
(* ;;; "Prints the appropriate elision indicator for elements beyond *PRINT-DEPTH* according to the read table we're using. Prints first a space unless NOSPACEP")
[COND
((NOT NOSPACEP)
(\OUTCHAR STREAM (CHARCODE SPACE]
(\SOUT (\ELIDE.TAIL.STRING)
STREAM])
(\ELIDE.TAIL.STRING
[LAMBDA NIL (* jrb%: "29-Jun-86 21:05")
(COND
((fetch (READTABLEP COMMONLISP) of *READTABLE*)
"...")
(T "--"])
(\CKPOSBOUT
[LAMBDA (STREAM X) (* rmk%: "21-OCT-83 12:32")
(.SPACECHECK. STREAM 1)
(\OUTCHAR STREAM X])
(\CKPOSSOUT
[LAMBDA (STREAM X) (* rmk%: "21-OCT-83 12:32")
(.SPACECHECK. STREAM (\NSTRINGCHARS X))
(for I instring X do (\OUTCHAR STREAM I])
(\CONVERTNUMBER
[LAMBDA (N R IGNORE RDTBL NS NSB) (* ; "Edited 18-Dec-86 17:53 by bvm:")
(* ;;; "Convert integer N to a string in radix R. RDTBL governs whether radix qualifiers appear. NS is a scratch promised to be of sufficient length; NSB is a scratch string pointer. IGNORE is obsolete flag for printing unsigned numbers")
(LET* ((SIGN)
[MAGNITUDE (if (>= N 0)
then N
else (SETQ SIGN (IMINUS N]
(X MAGNITUDE)
(POS (\NSTRINGCHARS NS))
(END (SUB1 POS))
COMMONLISPY DIDQ)
(if RDTBL
then (* ;
"do bletcherous suffix cases first")
(if (SETQ COMMONLISPY (fetch (READTABLEP COMMONLISP) of RDTBL))
then (* ; "decimal is suffix")
(if (EQ R 10)
then (RPLCHARCODE NS (add END 1)
(CHARCODE "."))
(SETQ DIDQ T))
elseif (AND (EQ R 8)
(> MAGNITUDE 7))
then (* ; "Octal numbers have Q suffix")
(RPLCHARCODE NS (add END 1)
(CHARCODE Q))
(SETQ DIDQ T)))
(repeatuntil (EQ X 0) do (* ;
"note this loop happens at least once, for benefit of MAGNITUDE = 0")
[RPLCHARCODE NS (add POS -1)
(LET ((DIGIT (IREMAINDER X R)))
(if (< DIGIT 10)
then (+ DIGIT (CHARCODE 0))
else
(* ;
"For radices higher than 10, use letters of alphabet from A on up")
(+ (- DIGIT 10)
(CHARCODE A]
(SETQ X (IQUOTIENT X R)))
(if SIGN
then (RPLCHARCODE NS (add POS -1)
(CHARCODE -)))
(if [AND RDTBL (NOT DIDQ)
(OR COMMONLISPY (AND (NEQ R 10)
(OR (> MAGNITUDE 9)
(>= MAGNITUDE R]
then
(* ;; "Prepend a radix qualifier if it wasn't already done as a suffix. In Interlisp we don't do this if the radix is decimal or the number is smaller than the radix.")
[SELECTQ R
(16 (* ; "hex")
(RPLCHARCODE NS (add POS -1)
(CHARCODE x)))
(8 (* ; "octal")
(RPLCHARCODE NS (add POS -1)
(CHARCODE o)))
(2 (RPLCHARCODE NS (add POS -1)
(CHARCODE b)))
(PROGN (RPLCHARCODE NS (add POS -1)
(CHARCODE r))
(RPLCHARCODE NS (add POS -1)
(+ (CHARCODE 0)
(IREMAINDER R 10)))
(if (>= R 10)
then (* ; "two-digit radix")
(RPLCHARCODE NS (add POS -1)
(+ (CHARCODE 0)
(IQUOTIENT R 10]
(RPLCHARCODE NS (add POS -1)
(fetch (READTABLEP HASHMACROCHAR) of RDTBL)))
(SUBSTRING NS POS END NSB])
(\LITPRIN
[LAMBDA (X STREAM) (* ; "Edited 14-Apr-87 14:49 by jrb:")
(DECLARE (USEDFREE \THISFILELINELENGTH *PRINT-ESCAPE* *READTABLE* *PACKAGE* *PRINT-GENSYM*
*PRINT-CASE*))
(COND
(*PRINT-ESCAPE* (LET ((RDTBL *READTABLE*)
PKG PKGSEPR)
[COND
(*PACKAGE* (* ;
"This is NIL until packages get turned on")
(COND
((EQ *PACKAGE* (SETQ PKG (fetch (CL:SYMBOL PACKAGE)
of X)))
(* ;
"No prefix needed in current package")
(SETQ PKG NIL))
[(NULL PKG) (* ;
"Uninterned. Print something if flag is on")
(COND
(*PRINT-GENSYM* (* ;
"Print #: as prefix. Not PACKAGECHAR here because colon hardwired into hashmacro dispatch.")
(RPLCHARCODE (SETQ PKGSEPR (ALLOCSTRING
2
(CHARCODE ":")))
1
(fetch (READTABLEP HASHMACROCHAR)
of RDTBL]
((EQ PKG *KEYWORD-PACKAGE*)
(* ;
"Keywords get single colon, no prefix")
(SETQ PKGSEPR (ALLOCSTRING 1 (fetch (READTABLEP
PACKAGECHAR)
of RDTBL)))
(SETQ PKG NIL))
((FIND-EXACT-SYMBOL X *PACKAGE*)
(* ;; "Symbol is accessible in current package, either by being imported or by inheritance. This is a messy test, which is why we test for special case of PKG being the current package first above. No prefix needed here.")
(SETQ PKG NIL))
(T
(* ;; "Package qualifier is needed; we need only know now whether symbol is internal or external in its home package.")
(SETQ PKGSEPR (ALLOCSTRING (COND
((EQ X (
FIND-EXTERNAL-SYMBOL
X PKG))
(* ;
"X is external in PKG, use single colon")
1)
(T 2))
(fetch (READTABLEP PACKAGECHAR)
of RDTBL]
(\LITPRIN.INTERNAL X RDTBL STREAM (AND PKG (PACKAGE-NAME-AS-SYMBOL
PKG))
PKGSEPR \THISFILELINELENGTH)))
(T
(.SPACECHECK. STREAM (\NATOMCHARS X))
(* ;; "Following code munged to match \LITPRIN.INTERNAL's handling of :CAPITALIZE")
(for C inatom X bind (DOWNCASE _ (AND (fetch (READTABLEP CASEINSENSITIVE)
of *READTABLE*)
(SELECTQ *PRINT-CASE*
((:DOWNCASE :CAPITALIZE)
*PRINT-CASE*)
NIL)))
(WAS-ALPHA _ NIL)
do (\OUTCHAR
STREAM
(if DOWNCASE
then (* ; "may have to change case")
(if (AND (>= C (CHARCODE A))
(<= C (CHARCODE Z)))
then (if (OR (NEQ DOWNCASE :CAPITALIZE)
(PROG1 WAS-ALPHA (SETQ WAS-ALPHA T)))
then (* ; "for :capitalize, lower all but the characters that start %"words%", i.e., those immediately after a non-alphanumeric")
(+ C (- (CHARCODE a)
(CHARCODE A)))
else C)
else [if (EQ DOWNCASE :CAPITALIZE)
then (* ;
"C not upper-case. Set WAS-ALPHA if it's lowercase alpha or numeric ")
(SETQ WAS-ALPHA (OR (AND (>= C (CHARCODE a))
(<= C (CHARCODE z)))
(AND (>= C (CHARCODE 0))
(<= C (CHARCODE 9]
C)
else C])
(\LITPRIN.INTERNAL
[LAMBDA (SYMBOL RDTBL STREAM PKGNAME PKGSEPR CHECKLENGTH)
(* ; "Edited 18-Dec-86 17:33 by bvm:")
(* ;;; "Print SYMBOL to STREAM according to RDTBL, preceded by PKGNAME (if non-NIL) and/or PKGSEPR. PKGNAME is a symbol, PKGSEPR is a string. If CHECKLENGTH is true, need to check that there is room for printing all three parts on this line; else caller has verified that there is room")
(LET
((PNAMELENGTH (\NATOMCHARS SYMBOL))
(ESCAPE (fetch (READTABLEP ESCAPECHAR) of RDTBL))
(MULTESCAPE (fetch (READTABLEP MULTESCAPECHAR) of RDTBL))
USEMULTESCAPE CASEBASE SA SYN NESCAPES CHECKESCAPE FIRSTESCAPE)
(if (OR (NEQ MULTESCAPE 0)
CHECKLENGTH)
then (* ;
"have to check now if linelength matters or we plan to use multiple escapes")
(SETQ NESCAPES (\SYMBOL.ESCAPE.COUNT SYMBOL RDTBL (NULL CHECKLENGTH)))
(if (EQ NESCAPES -1)
then (* ;
"Pname is numeric and we don't have a multiple escape available--need to escape first char")
(SETQ NESCAPES 1)
(SETQ FIRSTESCAPE T)
elseif (< NESCAPES 0)
then (* ; "Use multiple escapes")
(SETQ NESCAPES (IMINUS NESCAPES))
(SETQ USEMULTESCAPE T)
elseif (NEQ NESCAPES 0)
then (SETQ CHECKESCAPE T))
else (* ;
"if we don't check now then have to check while printing")
(SETQ CHECKESCAPE T))
[if CHECKLENGTH
then (* ; "Verify space for everything")
(.SPACECHECK. STREAM (+ PNAMELENGTH NESCAPES (if PKGNAME
then
(* ;
"How much space to print package name")
(IABS (\SYMBOL.ESCAPE.COUNT
PKGNAME RDTBL))
else 0)
(if PKGSEPR
then (* ;
"Extra characters between pkg name and symbol name")
(\NSTRINGCHARS PKGSEPR)
else 0]
(* ;; "First print any needed package qualifier")
(if PKGNAME
then (* ;
"Print package name, don't check length")
(\LITPRIN.INTERNAL PKGNAME RDTBL STREAM))
(if PKGSEPR
then (\SOUT PKGSEPR STREAM))
(if USEMULTESCAPE
then (* ;
"Surround pname with multiple escape char, only escape internal escapes")
(\OUTCHAR STREAM MULTESCAPE)
(for C inatom SYMBOL do (if (OR (EQ C MULTESCAPE)
(EQ C ESCAPE))
then (\OUTCHAR STREAM ESCAPE))
(\OUTCHAR STREAM C))
(\OUTCHAR STREAM MULTESCAPE)
else
[if FIRSTESCAPE
then (* ;
"Need an escape character at start to keep atom from being interpreted as number")
(\OUTCHAR STREAM ESCAPE)
elseif CHECKESCAPE
then (if (AND (EQ PNAMELENGTH 1)
(EQ (CHCON1 SYMBOL)
(CHARCODE ".")))
then (* ;
"have to handle period special because it is only special in a dotted context")
(\OUTCHAR STREAM ESCAPE)
(SETQ CHECKESCAPE NIL)
else (* ;
"prepare to check for escaping of chars in the printing loop")
(SETQ CASEBASE (AND (fetch (READTABLEP CASEINSENSITIVE) of RDTBL)
(fetch (ARRAYP BASE) of UPPERCASEARRAY)))
(SETQ SA (fetch READSA of RDTBL]
(for C inatom SYMBOL bind (FIRSTFLG _ T)
(DOWNCASE _ (AND (fetch (READTABLEP CASEINSENSITIVE)
of RDTBL)
(SELECTQ *PRINT-CASE*
((:DOWNCASE :CAPITALIZE)
*PRINT-CASE*)
NIL)))
WAS-ALPHA
do
(if [AND CHECKESCAPE (OR (if (AND CASEBASE (ILEQ C \MAXTHINCHAR)
(NEQ C (\GETBASEBYTE CASEBASE C)))
then (* ;
"lower-case alphabetic. We are assuming that no alphanumeric char will pass the next text")
(SETQ WAS-ALPHA T))
(AND (fetch (READCODE ESCQUOTE) of (SETQ SYN
(\SYNCODE SA C)))
(OR FIRSTFLG (fetch (READCODE INNERESCQUOTE)
of SYN]
then
(* ;; "Need to escape if: character is lower case when case-insensitive, or character intrinsically needs escape.")
(\OUTCHAR STREAM ESCAPE)
(\OUTCHAR STREAM C)
else (\OUTCHAR
STREAM
(if DOWNCASE
then (* ; "may have to change case")
(if (AND (<= C (CHARCODE Z))
(>= C (CHARCODE A)))
then (if (OR (NEQ DOWNCASE :CAPITALIZE)
(PROG1 WAS-ALPHA (SETQ WAS-ALPHA T)))
then (* ; "for :capitalize, lower all but the characters that start %"words%", i.e., those immediately after a non-alphanumeric")
(+ C (- (CHARCODE a)
(CHARCODE A)))
else C)
else [if (EQ DOWNCASE :CAPITALIZE)
then (* ; "C not upper-case. It's also not lowercase, because that was caught in the CHECKESCAPE clause if any, but note if it's numeric")
(SETQ WAS-ALPHA (AND (>= C (CHARCODE 0))
(<= C (CHARCODE 9]
C)
else C)))
(SETQ FIRSTFLG NIL])
(\SYMBOL.ESCAPE.COUNT
[LAMBDA (SYMBOL RDTBL INEXACTOK) (* ; "Edited 18-Dec-86 17:08 by bvm:")
(* ;;; "Counts the number of escape characters needed to print SYMBOL by RDTBL. If RDTBL has a multiple-escape character, then we return a negative count if we're assuming it is used instead of single escapes; else a positive count. The special value -1 means the symbol is numeric, so must be quoted, but no multiple escape is available, so just escape the first character. If INEXACTOK is true and we discover we want to use multiple escape char, returns -2 immediately.")
(for C inatom SYMBOL bind (RESULT _ 0)
(NESCAPES _ 0)
(FIRSTFLG _ T)
(MULTESCAPE _ (fetch (READTABLEP MULTESCAPECHAR)
of RDTBL))
(ESCAPE _ (fetch (READTABLEP ESCAPECHAR) of RDTBL))
(CASEBASE _ (AND (fetch (READTABLEP CASEINSENSITIVE)
of RDTBL)
(fetch (ARRAYP BASE) of
UPPERCASEARRAY
)))
(SA _ (fetch READSA of RDTBL))
SYN first (if (EQ MULTESCAPE 0)
then
(* ; "Can't use multiple-escape")
(SETQ MULTESCAPE NIL))
do [if [OR (AND CASEBASE (ILEQ C \MAXTHINCHAR)
(NEQ C (\GETBASEBYTE CASEBASE C)))
(AND (fetch (READCODE ESCQUOTE) of (SETQ SYN (\SYNCODE SA C)))
(OR FIRSTFLG (fetch (READCODE INNERESCQUOTE) of SYN]
then
(* ;; "Need protection if char is lowercase in a case-insensitive read table or the read table says it needs it")
(add RESULT 1)
(if MULTESCAPE
then (if (OR (EQ C MULTESCAPE)
(EQ C ESCAPE))
then (* ;
"These have to be escaped no matter what")
(add NESCAPES 1)
elseif (AND INEXACTOK (> (- RESULT NESCAPES)
1))
then (* ;
"If at least 2 chars need escaping, better to use multiple escape, and we can quit scanning now")
(RETURN -2]
(SETQ FIRSTFLG NIL)
finally (RETURN (if (EQ RESULT 0)
then (* ;
"No funny chars, check for some other perverse cases")
(LET ((LEN (\NATOMCHARS SYMBOL)))
(if (EQ LEN 0)
then (* ;
"The bletcherous null symbol. Shouldn't be allowed to create this, grumble.")
(if MULTESCAPE
then
(* ; "Can print as ||")
-2
else
(* ; "Single escape can't work")
0)
elseif (AND (EQ LEN 1)
(EQ C (CHARCODE ".")))
then (* ;
"Special case, dot is always escaped when by itself, and prefer single escape to multiple")
-1
elseif (\NUMERIC.PNAMEP
SYMBOL
(if (fetch (READTABLEP COMMONLISP)
of RDTBL)
then *READ-BASE*
else 10))
then
(* ;; "Is numeric, must escape it. Note that if pname is numeric, there can't be any special chars inside it needing escaping. We wait until now to test numeric on the grounds that it is more likely we will print a symbol with escapable chars than one that is a potential number.")
(if MULTESCAPE
then
(* ;
"Nicer to use multiple escape around whole symbol")
-2
else
(* ; "Say to escape first char")
-1)
else 0))
elseif (AND MULTESCAPE (> (- RESULT NESCAPES)
1))
then
(* ;; "The number of characters needing escaping, not counting the ones that have to be escaped in any case, is at least two. Use two multiple-escapes and NESCAPES regular escapes for the internal escapes = -(NESCAPES+2) total extra characters")
(- -2 NESCAPES)
else RESULT])
(\NUMERIC.PNAMEP
[LAMBDA (SYMBOL RADIX) (* ; "Edited 17-Jan-2020 05:43 by rmk:")
(* ; "Edited 6-Dec-91 11:27 by jds")
(* ;;; "True if the chars in SYMBOL are a potential number in RADIX, which defaults to the current read base (according to current read table), OR IF the symbol consists solely of decimal points.")
(LET* ((LASTCHARTYPE 'FIRST)
[EFFECTIVE-RADIX (OR RADIX (COND
((fetch (READTABLEP COMMONLISP) of *READTABLE*)
*READ-BASE*)
(T 10]
(MAXALPHADIGIT (+ (CHARCODE A)
(- EFFECTIVE-RADIX 11)))
SEENALPHADIGITS SEENDIGITS SEENDECPT SEENEXPONENT SEENTIGHTLETTERS SEEN-ILLEGAL-SYNTAX)
(* ;
"If RADIX is bigger than 10, this allows alphabetic digits")
(for C inpname SYMBOL
do
(* ;; "The inpname is a nicety so it works on strings too (useful for testing) --- Note that we are assuming a partitioning of character space as follows: (--- + / decpt) (digits) (A-Z) (_ ^) (a-z)")
[SETQ LASTCHARTYPE
(COND
[(< C (CHARCODE A)) (* ; "Numeric or funny char")
(COND
((< C (CHARCODE 0))
(SELCHARQ C
((- +) (* ; "Signs anywhere but end")
(* ;; "RMK 2020-01-17: Anywhere at the end conforms to the Commonlisp notion of being able to extend the number syntax. But this is never going to happen here, and the consequence of not recognizing signs just at the beginning is that tokens like 1-2 will get printed as |1-2|, which is surprising. So: I'm restricting signs to first position.")
(CL:UNLESS (EQ LASTCHARTYPE 'FIRST)
(RETURN NIL))
'SIGN)
("." (COND
(SEENALPHADIGITS
(* ;; "Can't have decimal point in other radices, so if we saw combinations of chars that would have been invalid in radix 10, bomb out")
(COND
(SEENTIGHTLETTERS (RETURN NIL)))
(SETQ SEENALPHADIGITS NIL))
(SEENDECPT
(* ;; "Can't have 2 decimal points.")
(SETQ SEEN-ILLEGAL-SYNTAX T)))
(SETQ MAXALPHADIGIT 0)
(SETQ SEENDECPT T))
(/ (COND
((EQ LASTCHARTYPE 'FIRST)
(* ; "Can't start with ratio marker")
(RETURN NIL))))
(RETURN NIL)))
((<= C (CHARCODE 9)) (* ; "digit")
(SETQ SEENDIGITS T)
'DIGIT)
(T (RETURN NIL]
((> C (CHARCODE z)) (* ; "Out in the wilderness.")
(RETURN NIL))
((PROGN [COND
((>= C (CHARCODE a)) (* ; "Raise it")
(SETQ C (- C (- (CHARCODE a)
(CHARCODE A]
(<= C (CHARCODE Z))) (* ; "Letter")
[COND
((<= C MAXALPHADIGIT) (* ;
"Letter is a digit in this base. Can't be digit in number with decimal pt")
(COND
(SEENDECPT
(* ;; "If there was a decimal point earlier, bail out.")
(RETURN NIL)))
(SETQ SEENALPHADIGITS T)
(SELECTQ LASTCHARTYPE
((LETTER FIRST) (* ;