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CLISPIFY
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(DEFINE-FILE-INFO READTABLE "INTERLISP" PACKAGE "INTERLISP")
(FILECREATED "16-May-90 12:28:58" {DSK}<usr>local>lde>lispcore>sources>CLISPIFY.;2 136351
changes to%: (VARS CLISPIFYCOMS)
previous date%: "19-Jun-86 14:57:01" {DSK}<usr>local>lde>lispcore>sources>CLISPIFY.;1)
(* ; "
Copyright (c) 1984, 1985, 1986, 1990 by Venue & Xerox Corporation. All rights reserved.
")
(PRETTYCOMPRINT CLISPIFYCOMS)
(RPAQQ CLISPIFYCOMS
[(FNS CLISPIFYFNS CLISPIFY CLISPIFY1 CLISPIFY2 CLISPIFY2A CLISPIFY2B CLISPIFY2C CLISPIFY2D
CLISP3 CLISP3A CLISP3B CLISPACKUP CLISP3C CLISP4 CLISPCOND CLISPCOND1 CLISPAND CLISPAND1
CLISPIFYNOT CLISPIFYMATCHUP CLREMPARS CLISPIFYCROPS0 CLISPIFYCROPS CLISPIFYCROPS1
CLISPIFYRPLAC CLISPIFYMAPS CLMAPS1 CLMAPS2 CLSTOPSCAN? CLISPIFYLOOKUP LOWERCASE
SHRIEKIFY SHRKFY SHRKFY2 WHILEDOUNTIL WHILEDO1 CLDISABLE)
(INITVARS (FUNNYATOMLST)
(CLREMPARSFLG)
(CL%:FLG T)
(CLISPIFYPACKFLG)
(CLISPIFYENGLSHFLG)
(CLISPIFYUSERFN))
(VARS CAR/CDRSTRING)
(USERMACROS CL)
(PROP CLISPFORM ADD1 SUB1 NEQ)
(PROP CLISPBRACKET CONS LIST APPEND NCONC NCONC1 /NCONC /NCONC1)
(PROP CLISPTYPE ~EQUAL ~MEMBER ~MEMB)
(PROP CLMAPS MAPC MAP MAPCAR MAPLIST MAPCONC MAPCON SUBSET)
(BLOCKS (CLISPIFYBLOCK CLISPIFYFNS CLISPIFY CLISPIFY1 CLISPIFY2 CLISPIFY2A CLISPIFY2B
CLISPIFY2C CLISPIFY2D CLISP3 CLISP3A CLISP3B CLISPACKUP CLISP3C CLISP4
CLISPCOND CLISPCOND1 CLISPAND CLISPAND1 CLISPIFYNOT CLISPIFYMATCHUP CLREMPARS
CLISPIFYCROPS0 CLISPIFYCROPS CLISPIFYCROPS1 CLISPIFYRPLAC CLISPIFYMAPS CLMAPS1
CLMAPS2 SHRIEKIFY SHRKFY SHRKFY2 CLISPIFYLOOKUP CLSTOPSCAN? WHILEDOUNTIL
WHILEDO1 (ENTRIES CLISPIFYFNS CLISPIFY CLISPACKUP CLISPIFYMATCHUP CLISPIFY2A
CLISP3A)
(SPECVARS EXPR VARS DWIMIFYFLG DWIMIFYING DWIMIFY0CHANGE)
(LOCALFREEVARS DECLST CLTYP0 OPR0 LST SEG TAIL FORM PARENT SUBPARENT NOVALFLG
NEGFLG RESULTP SAFEFLAG VARS CLISPISTATE TYPE-IN? SIDES CLISPIFYFN)
(GLOBALVARS CAR/CDRSTRING CL%:FLG CLISPARRAY CLISPCHARRAY CLISPCHARS CLISPFLG
CLISPIFYENGLSHFLG CLISPIFYPACKFLG CLISPIFYSTATS CLISPIFYUSERFN
CLISPISNOISEWORDS CLISPISVERBS CLISPTRANFLG CLREMPARSFLG COMMENTFLG
DWIMFLG FILELST FUNNYATOMLST GLOBALVARS LCASEFLG)
(RETFNS CLISPIFY2B)
(NOLINKFNS CLISPIFYUSERFN))
(NIL LOWERCASE (GLOBALVARS CHCONLST LCASEFLG))
(NIL CLDISABLE (GLOBALVARS CLISPCHARS CLISPCHARRAY NOFIXFNSLST0 NOFIXVARSLST0))
(NIL (GLOBALVARS CLISPISNOISEWORDS CLISPISVERBS CLISPISWORDSPLST)))
(P (LOWERCASE T))
(DECLARE%: DOEVAL@COMPILE DONTCOPY (RECORDS MATCHUP))
(DECLARE%: DONTEVAL@LOAD DOEVAL@COMPILE DONTCOPY COMPILERVARS (ADDVARS (NLAMA CLISPIFYFNS)
(NLAML)
(LAMA])
(DEFINEQ
(CLISPIFYFNS
[NLAMBDA FNS (* wt%: 30-JUN-77 22 16)
(PROG ((CLK (CLOCK 0))
TEM)
(RETURN (MAPCONC [COND
((CDR FNS)
FNS)
((LISTP (CAR FNS))
(STKEVAL 'CLISPIFYFNS (CAR FNS)
NIL
'INTERNAL))
(T (* If (CAR FNS) is name of a file,
do clipifyfns on its functions.)
(OR (LISTP (EVALV (CAR FNS)
'CLISPIFYFNS))
(AND (GETPROP (OR (AND DWIMFLG (MISSPELLED? (CAR FNS)
70 FILELST NIL FNS))
(CAR FNS))
'FILE)
(FILEFNSLST (CAR FNS)))
(STKEVAL 'CLISPIFYFNS (CAR FNS)
'INTERNAL]
(FUNCTION (LAMBDA (X)
(COND
((IGREATERP (IDIFFERENCE (SETQ TEM (CLOCK 0))
CLK)
30000)
(SETQ CLK TEM)
(PRIN2 X T T)
(PRIN1 '", " T)))
(ERSETQ (CLISPIFY X])
(CLISPIFY
[LAMBDA (X EDITCHAIN) (* lmm "27-FEB-83 10:53")
(* CLISPIFY the expression X. EDITCHAIN if supplied is the chain of parents of
this expression; used for gathering the variables bound and the top level
context)
(PROG (TEM CLISPIFYFN OPR0 CLTYP0 BROADSCOPE DECLST EXPR VARS PARENT SUBPARENT FORM SEG TAIL LST
CLISPISTATE)
[COND
[(OR (LISTP X)
EDITCHAIN)
(COND
((NULL EDITCHAIN)
(SETQ EXPR X))
(T (SETQ PARENT (CAR EDITCHAIN))
(AND (TAILP (SETQ TEM (EVQ LASTAIL))
(CAR EDITCHAIN))
(SETQ TAIL TEM))
[COND
((LISTP (SETQ CLISPIFYFN (EVQ ATM))) (* New editor conventions.)
(SETQ CLISPIFYFN (CAR CLISPIFYFN] (* ATM is bound in EDITE)
(SETQ VARS (VARSBOUNDINEDITCHAIN EDITCHAIN))
(* VARSBOUNDINEDITCHAIN climbs
EDITCHAIN and gathers up the VARS)
(SETQ EXPR (CAR (LAST EDITCHAIN]
(T (SETQ TEM (EXPRCHECK X))
(SETQ CLISPIFYFN (CAR TEM))
(SETQ EXPR (SETQ FORM (CDR TEM]
(AND (NULL CLISPIFYFN)
(SETQQ CLISPIFYFN TYPE-IN))
(SETQ DECLST (GETLOCALDEC EXPR CLISPIFYFN))
[COND
((NULL FORM) (* Corresponds to first clause in
first COND.)
(RETURN (COND
((NULL EDITCHAIN) (* E.G. User just types in CLISPIFY
some expression.)
(CLISPIFY2 X))
((TAILP X PARENT)
(SETQ FORM PARENT)
(SETQ TEM (CLISPIFY1 X))
(CONS (CAR TEM)
(CDR TEM)))
([OR (EQ (CAAR EDITCHAIN)
'COND)
(AND (EQ (CAAR EDITCHAIN)
'SELECTQ)
(NEQ X (CADAR EDITCHAIN))
(CDR (FMEMB X PARENT]
(SETQ FORM (CAR X))
(* The LIST is because while this expression should be CLISPIFIED as a tail
(it being a COND clause)%, it is an element in the structure and the CL macro
is expecting a list returned.)
(LIST (CLISPIFY1 X)))
(T (* Commands expect a list returned)
(CLISPIFY2A X]
(SETQ TEM (CLISPIFY2 EXPR))
(RETURN (COND
((NULL CLISPIFYFN)
TEM)
(T (COND
((NULL (GETD CLISPIFYFN))
(DWIMUNSAVEDEF CLISPIFYFN T)))
(/PUTD CLISPIFYFN TEM)
(AND FILEPKGFLG (MARKASCHANGED CLISPIFYFN 'FNS))
CLISPIFYFN])
(CLISPIFY1
[LAMBDA (TAIL OPR0 CLTYP0 BROADSCOPE NOVALFLG SUBPARENT)
(* lmm "27-Jan-85 00:27")
(* Processes tails. When OPR0 is not NIL, called from CLISP3, and inserts OPR0
between each call to CLISPIFY2. If BROADSCOPE is T, OPR0 is an operator with
higher precedence than user functions, e.g.
EQ, LS, AND, etc. In this case, the arguments need not be parenthesized, e.g.
(AND (FOO X) Y) -> (FOO X AND Y))
(PROG (SEG TEM LST (TAIL0 TAIL)
(PARENT FORM)
PREVEXP)
[COND
((NULL SUBPARENT)
(* PARENT and SUBPARENT are used in CLISP4 for checking for partial
CLISPIFICATION and resulting calls to DWIMIFY.
e.g. when CLISPIFYING and expression like
(FOO X* (IPLUS X Y)) it is necessary to backup and DWIMIFY, but for
(SELECTQ X (X* (IPLUS X Y)) NIL) it is not.
PARENT and SUBPARENT are rebound in CLISPIFY1
(rather than CLISPIFY2)%. Therefore they are alsoebound by functions that
recurse by calling CLISPIFY2 directly, i.e.
CLISPIFYRPLAC, CLISPIFYCROPS, and CLISPIFYCOND.)
(SETQ SUBPARENT TAIL))
((NEQ SUBPARENT TAIL)
(SETQ PREVEXP (CAR (NLEFT SUBPARENT 1 TAIL]
[COND
((EQ NOVALFLG 'NOTLAST) (* Says all forms are nor being used
for value, EXCEPT for last one.)
(SETQ NOVALFLG (LAST TAIL]
LP [COND
[(NULL TAIL)
(RETURN (COND
((NULL LST)
TAIL0)
(TAIL0 (NCONC LST TAIL0))
(T LST]
[(NLISTP TAIL)
(RETURN (COND
(TAIL0 (NCONC LST TAIL0))
(T (FRPLACD (FLAST LST)
TAIL)
LST]
((AND OPR0 (NEQ OPR0 T))
(COND
(LST (NCONC1 LST OPR0))
((GETPROP OPR0 'UNARYOP)
(SETQ LST (LIST OPR0]
[SETQ TEM (COND
((AND (LITATOM PREVEXP)
(EQ (NTHCHARCODE PREVEXP -1)
(CHARCODE %')))
(CAR TAIL))
(T (CLISPIFY2 (CAR TAIL)
(COND
((EQ NOVALFLG T))
(NOVALFLG (NEQ TAIL NOVALFLG]
(SETQ PREVEXP (CAR TAIL))
[COND
((OR SEG (NEQ TEM (CAR TAIL))
OPR0
(EQ CLTYP0 T))
(* The idea in CLISPIFYing is to do as few CONSes as necessary, i.e.
only construct new structure where needed.
TAIL0 keeps track of the last point in TAIL for which a corresponding element
has been added to L. Here we know that a new element will hve to be added to L,
and so any intermediate elements that were not added because the clispified
result was the same as the original structure, will now have to be added, e.g.
consider (LIST A B (SETQ X Y) C D E)%. The C D and E tail need not be copied,
however until we reach (SETQ X Y) we do not know that the A and B will have to
be copied, i.e in (LIST A B C) no conses are performed.
Note that CLTYP0=T is effectively a COPYFLG.
This is used in particular when CLISPIFYING a COND, i.e.
OPR0 is NIL, but CLTYP0 isT.)
[AND (NEQ TAIL TAIL0)
(SETQ LST (NCONC LST (LDIFF TAIL0 TAIL]
[SETQ LST (COND
(SEG
(* Supposedly, whenever SEG is set to T, the entire form has already been
copied. An EQ check is not sufficient, as expressions produced by CLIPIFYing
may not be EQ to original expressions, but still have common tails.)
(NCONC LST TEM))
(T (NCONC1 LST TEM]
(SETQ TAIL0 (CDR TAIL]
(SETQ TAIL (CDR TAIL))
(SETQ SEG NIL)
(GO LP])
(CLISPIFY2
[LAMBDA (FORM NOVALFLG NEGFLG) (* lmm " 5-SEP-83 13:26")
(* CLISPIFIES a form.)
(* NOVALFLG is T if FORM is not
being used for value.)
(AND FORM (PROG NIL
(COND
((AND (LITATOM FORM)
OPR0 CLTYP0 (FMEMB FORM CLISPCHARS))
(* this check was originally installed because of users who had variables with
same name as clisp oprators, and didnt want them to gt packed.)
[PROG (POS)
(COND
((SETQ POS (STKPOS 'CLISPIFY2B))
(RETEVAL POS 'FORM T] (* CL call on a tail.
screw it.)
))
LP (RETURN (OR (CLISPIFY2B FORM)
(GO LP)))
(* CLISPIFY2b returns NIL (via a RETFROM in CLISP3) when it was necessary to
DWWIMIFY the prent expression and staat over, e.g.
(FOO X* (IPLUS Y Z)) note that (FOO X *
(IPLUS X Y)) wont be touched at all because the * causes an abort)
])
(CLISPIFY2A
[LAMBDA (FORM FLG)
(* Whereas the value of CLISPIFY2 is either an item or a segment, depending on
SEG, the value of CLISPIFY2A is always a segment, so thatthe caaling function
need not check SEG, it can just NCONC or APPEND.)
(PROG (TEM SEG)
(SETQ TEM (CLISPIFY2 FORM))
(RETURN (COND
([AND SEG (OR (NULL FLG)
(NULL (CDR TEM]
(* If FLG is T, the expression is to be parenthesized, even if SEG is T, unless
it is just atomic.)
TEM)
(T (LIST TEM])
(CLISPIFY2B
[LAMBDA (FORM) (* lmm "27-Jan-85 00:29")
(* Does the work of CLISIPIFY2. This function is separate from CLISPIFY2 so
that CLISPIFYNOT can CLISPIFY the inner form, and then check to ee if NEGLFG
has been set to NIL. It is also used when a for a %'recursive' call on the same
or equivalent form, again so that NEGFLG is not rebound, e.g.
(ADD1 --) is the same as (IPLUS -- 1)%, and is implemented by caaling
CLISPIFY2b again, itead of CLISPIFY2.)
(PROG (TEM1 TEM2 TEM3)
[COND
((NLISTP FORM)
(COND
([AND (LISTP CLTYP0)
(SETQ TEM1 (GETPROP FORM 'CLISPWORD))
(EQ (CAR TEM1)
(CAR (GETPROP (CAR CLTYP0)
'CLISPWORD]
[AND LCASEFLG (SETQ TEM2 (COND
((NLISTP (CDR TEM1))
(CDR TEM1))
(T
(* The CLISPWORD property can be of the form
(FIND find FOR) when FIND is a synonym for FOR.)
(CADR TEM1] (* Converts FOR words and IF words
to loercase.)
(SETQ CLTYP0 TAIL)))
(RETURN (OR TEM2 FORM)))
((LISTP (CAR FORM))
(RETURN (CLISPIFY1 FORM]
[RETURN (SELECTQ (CAR FORM)
(FUNCTION (CLISPIFY2C FORM))
(CAR (CLISPIFYCROPS0 '(%:1)))
(CDR (CLISPIFYCROPS0 '(|::1|)))
((LAST FLAST)
(AND (NEQ (CAR FORM)
(CLISPIFYLOOKUP (CAR FORM)
(CADR FORM)
(CADDR FORM)))
(GO A))
(CLISPIFYCROPS0 (LIST -1)))
(NLEFT (COND
[(AND (NUMBERP (SETQ TEM1 (CADDR FORM)))
(NULL (CDDDR FORM)))
(CLISPIFYCROPS0 (LIST (MINUS TEM1]
(T (GO A))))
((NTH FNTH) (* (NTH X 10) clispifies to |X::9|)
(COND
[[AND CL%:FLG (NUMBERP (CADDR FORM))
(EQ (CAR FORM)
(CLISPIFYLOOKUP (CAR FORM)
(CADR FORM]
(CLISPIFYCROPS0 (LIST (SUB1 (CADDR FORM]
(T (GO A))))
((RPLACA FRPLACA /RPLACA)
(CLISPIFYRPLAC FORM '%:1 T))
((RPLACD FRPLACD /RPLACD)
(CLISPIFYRPLAC FORM '|::1| T))
((CLISP%: GO DECLARE)
FORM)
(* (COND
((EQ (CADR FORM)
'DECLARATIONS%:)
(CONS 'CLISP%: (CDDR FORM)))
(T FORM)))
(COND (COND
((NULL (GETP 'IF 'CLISPWORD))
(GO A))
[(CDR FORM)
(FRPLACA (PROG ((L FORM)
VAL) (* An open MAPCONC.)
LP (COND
((NULL (SETQ L (CDR L)))
(RETURN VAL)))
(SETQ VAL (NCONC VAL (CLISPCOND (CAR L)
(CDR L)
VAL)))
(GO LP))
(COND
(LCASEFLG 'if)
(T 'IF]
(T FORM)))
((AND OR)
(COND
((NULL (GETP 'IF 'CLISPWORD))
(GO A))
(NOVALFLG (* Treat AND as COND.)
(CLISP4 PARENT SUBPARENT)
(SELECTQ (CAR FORM)
(AND [FRPLACA (CLISPAND FORM)
(COND
(LCASEFLG 'if)
(T 'IF])
(OR (COND
[(NULL (CDDDR FORM))
(FRPLACA (CLISPCOND (CONS (LIST 'NOT
(CADR FORM))
(CDDR FORM)))
(COND
(LCASEFLG 'if)
(T 'IF]
(T (GO A))))
(SHOULDNT)))
(T (GO A))))
(SELECTQ [PROG (OPR0 CLTYP0 PARENT SUBPARENT)
(CLISP4 FORM)
(SETQ PARENT FORM)
(SETQ SUBPARENT (CDR FORM))
(SETQ TEM1 (CLISPIFY2A (CADR FORM)
T))
[SETQ TEM2
(AND (CDDDR FORM)
(MAPCAR (CDDR FORM)
[FUNCTION (LAMBDA (FORM)
(COND
[(LISTP FORM)
(CONS (CAR FORM)
(CLISPIFY1
(CDR FORM)
NIL NIL NIL
(OR NOVALFLG 'NOTLAST]
(T FORM]
(FUNCTION (LAMBDA (X)
(AND (CDDR X)
(CDR X]
(RETURN (CONS 'SELECTQ (NCONC TEM1 TEM2
(CLISPIFY2A
(CAR (LAST FORM))
T])
(PROGN (SETQ TEM1 (CLISPIFY1 (CDR FORM)
NIL NIL NIL 'NOTLAST))
(* novalflg used to be (OR NOVALFLG (QUOTE NOTLAST)) however, this caused a bug
in the case where one had FOO_ (PROGN --) at the top level, because the FFO_
never got translated because the PROGN didnt require it.
rather than fix this, obseeve that if in fact PROGN were in noval context, then
the user would not need a progn at all, so lets just assume that a progn is
always in value context, and specify NOTLAST in the call to clispify1)
(CLISPIFY2C FORM TEM1))
(NULL [COND
((AND (LISTP (CADR FORM))
(GETPROP (SETQ TEM1 (CAADR FORM))
'CLISPTYPE)) (* e.g. (NULL (NUMBERP X)) is
treated as (NOT (NUMBERP X)))
(CLISPIFYNOT (CADR FORM)))
(T
(* reason for not simply resetting form and jumping to top has to do with the
way clispify handle partially clispifyed expressions namely, by dwimifying the
expression, retfroming NIL from cal to clispify2b, and having clispify2 then
try again, relying on the fact that dwimify has physically changed form.
If we just reset form here, and there was any clisp in the original form, an
infinite loop wouldoccur since clipify2 would keep retrying with original form.)
(CLISPIFY2 (LIST 'EQ (CADR FORM)
NIL)
NOVALFLG
(PROG1 NEGFLG (SETQ NEGFLG])
(NOT (CLISPIFYNOT (CADR FORM)))
(SETQ (SETQ VARS (CONS (CADR FORM)
VARS)) (* In case any dwimifying occurs as
a result of partial clispification.)
[AND (CDDDR FORM)
(SETQ FORM (LIST (CAR FORM)
(CADR FORM)
(CONS 'PROG1 (CDDR FORM]
(GO A))
(SETQQ (COND
((AND CLISPFLG (GETPROP '_ 'CLISPTYPE))
(CLISPIFY2 [LIST 'SETQ (CADR FORM)
(COND
((OR (NULL (SETQ TEM1 (CADDR FORM)))
(NUMBERP TEM1))
TEM1)
(T (LIST 'QUOTE TEM1]
NOVALFLG NEGFLG))
(T (GO B))))
((match MATCH)
[PROG ((OPR0 (AND [NULL (CDR (SETQ TEM2 (CDDDR FORM]
OPR0)))
(* OPR0 rebound to NIL if -> or => used in match expression, because in this
case, want CLISPIFYCROPS to %'wrap it up'.)
(SETQ TEM1 (CLISPIFYCROPS (CADR FORM)
(LIST (CAR TEM2))
'match]
[COND
((NULL (SETQ TEM2 (CDR TEM2)))
TEM1)
(T (NCONC TEM1 (CONS (CAR TEM2)
(CLISPIFY1 (CDR TEM2])
((fetch FETCH)
(COND
([AND (EQLENGTH FORM 4)
(FMEMB (CADDR FORM)
'(of OF]
(CLISP4 FORM)
(CLISPIFYCROPS (CADDDR FORM)
(LIST (CADR FORM))
'fetch))
(T (GO A))))
((replace REPLACE)
(COND
([AND (EQLENGTH FORM 6)
(OR (EQ (SETQ TEM1 (CADDR FORM))
'OF)
(EQ TEM1 'of))
(OR (EQ (SETQ TEM1 (CAR (CDDDDR FORM)))
'WITH)
(EQ TEM1 'with]
(CLISPIFYRPLAC FORM 'replace T))
(T (GO A))))
(ASSEMBLE FORM)
(COND
((EQ (CAR FORM)
CLISPTRANFLG)
(SETQ FORM (CDDR FORM))
(CLISPIFY1 FORM NIL FORM))
((FMEMB (CAR FORM)
CLISPCHARS)
(RETURN FORM))
[(AND (OR (EQMEMB 'BINDS (GETPROP (CAR FORM)
'INFO))
(FMEMB (CAR FORM)
LAMBDASPLST))
(NOT (CLISPIFY2D FORM))) (* lambda, nlambda, dlambda, prog,
resetvars, etc.)
(CONS (COND
[(AND [LISTP (SETQ TEM2 (GETP (CAR FORM)
'CLISPWORD]
LCASEFLG)
(COND
((NLISTP (CDR TEM2))
(CDR TEM2))
(T (CADR TEM2]
(T (CAR FORM)))
(CONS [COND
((NULL (CADR FORM))
NIL)
((NLISTP (CADR FORM))
(* This is a quick and dirty attempt to collect vars in cse have to call
DWIMIFY1B. VARS are not rebound each expression, so open lambda variables will
justbuild up. if this turns out to be a problem, will have to rebind vars each
time we call clispify)
(SETQ VARS (CONS (CADR FORM)
VARS))
(CADR FORM))
(T (MAPCAR (CADR FORM)
(FUNCTION (LAMBDA (X)
(COND
((NLISTP X)
(SETQ VARS (CONS X VARS))
X)
(T (SETQ VARS (CONS (CAR X)
VARS))
(CONS (CAR X)
(CLISPIFY1
(CDR X]
(CLISPIFY1 (WHILEDOUNTIL (CDDR FORM))
NIL
(AND (GETP (CAR FORM)
'CLISPWORD)
FORM)
NIL
(COND
((MEMB 'LABELS TEM1)
(* e.g. prog no member used for
value)
T)
((MEMB 'PROGN TEM1)
(* e.g. lambdas, nlambdas.
only last element is used for value)
(OR NOVALFLG 'NOTLAST))
(T (* e.g. for %, bind)
NIL]
(T (GO A]
A [COND
[(AND (SETQ TEM1 (GETPROP (CAR FORM)
'CROPS))
(NEQ (CAR FORM)
'GETPROPLIST))
(RETURN (CLISPIFYCROPS0 (SUBPAIR '(A D)
'(%:1 |::1|)
TEM1]
[[AND (SETQ TEM1 (GETPROP (CAR FORM)
'CLISPCLASS))
(SETQ TEM3 (GETPROP TEM1 'CLISPTYPE] (* E.G. (CAR FORM) is FPLUS, TEM1 is
+.)
(COND
([EQ (CAR FORM)
(CLISPIFYLOOKUP (CAR FORM)
(CADR FORM)
(CADDR FORM)
TEM1
(GETPROP TEM1 'CLISPCLASSDEF]
(RETURN (CLISP3 (OR (GETPROP (GETPROP TEM1 'LISPFN)
'CLISPINFIX)
TEM1)
FORM TEM3))
(* TEM1 is now for example LT. Reason for not siply passing LT is this permits
user to put lower case lt on property lst of ILESSP under clispifnix property.)
]
((AND (SETQ TEM1 (GETPROP (CAR FORM)
'CLISPINFIX))
(CDDR FORM)
(OR NEGFLG OPR0 CLTYP0 (FMEMB TEM1 CLISPCHARS)))
(* E.g. IF (CAR FORM) is EXPT, TEM1 would be ^.
The CLTYP0 is because only want to convert to infix if under another operator,
e.g. (LIST (AND X Y)) is clearer than (LIST
(X AND Y)))
(RETURN (CLISP3 TEM1 FORM (GETPROP TEM1 'CLISPTYPE]
[RETURN (COND
((SETQ TEM1 (GETPROP (CAR FORM)
'CLISPFORM)) (* E.G. NEQ, ADD1, and SUB1.)
(* code used to say (GO TOP)%. Then was changed to call Clispify2.
Callin clipify2 has a bad effect when negflg is t as it introduces an extra
binding of negflg.)
(CLISPIFY2B (LSUBST (CDR FORM)
'* TEM1)))
[[AND (SETQ TEM1 (GETPROP (CAR FORM)
'CLISPBRACKET))
(SETQ TEM2 (GETPROP TEM1 'CLISPBRACKET]
(COND
[(SETQ TEM3 (LISTGET1 TEM2 'CLISPIFY))
(* built in userfn)
(COND
((EQ TEM3 'SHRIEKIFY)
(COND
([OR (NULL CLISPFLG)
(NULL (GETPROP TEM1 'CLISPTYPE))
NOVALFLG
(NULL (SETQ TEM1 (PROG ((PARENT FORM))
(RETURN (SHRIEKIFY FORM]
(GO B))
((EQ (CAR TEM1)
'<)
(CLISP3 '< TEM1 'BRACKET T))
(T (* E.G. didnt convert because of
declarations.)
TEM1)))
(T (SETQ TEM1 (APPLY* TEM3 FORM]
((GETP TEM1 'UNARYOP)
(SETQ TEM3 (CLISPIFY1 (CDR FORM)
(OR (SETQ TEM3 (LISTGET1 TEM2 'SEPARATOR))
T)
'BRACKET))
(CLISP3 TEM1 [CONS (CAR TEM2)
(APPEND TEM3 (LIST (CADR TEM2]
'BRACKET T))
(T (SETQ TEM3 (CLISPIFY1 (CDDR FORM)
(OR (SETQ TEM3 (LISTGET1 TEM2 'SEPARATOR))
T)
'BRACKET))
(CLISP3 TEM1 [CONS (CLISPIFY2 (CADR FORM))
(CONS (CAR TEM2)
(APPEND TEM3 (LIST (CADR TEM2]
'BRACKET T]
[[LISTP (SETQ TEM1 (GETPROP (CAR FORM)
'SETFN]
(* The third aagument to CLISPIFYRPLAC indicates this is a %: transformation.
It is also true if there is an ACCESSFN property.
E.g. FOO has ACCESSFN GETFOO SETFN SETFOO and SETFOO has SETFN
(FOO))
(CLISPIFYRPLAC FORM (CAR TEM1)
(GETPROP (CAR TEM1)
'ACCESSFN]
((AND TEM1 (EQ (SETQ TEM2 (GETPROP (CAR FORM)
'ACCESSFN))
(CAR FORM))) (* Occurs when FOO is its own
accessfn, e.g. FOO has ACCESSFN FOO
SETFN SETFOO.)
(CLISPIFYCROPS0 (LIST TEM2)))
([LISTP (SETQ TEM1 (GETPROP (CAR FORM)
'ACCESSFN]
(CLISPIFYCROPS0 TEM1))
[(AND (SETQ TEM1 (GETPROP (CAR FORM)
'CLMAPS))
(CLISPIFYMAPS (CAR TEM1)
(CDR TEM1]
((AND (LITATOM (CAR FORM))
(NULL (FGETD (CAR FORM)))
(GETPROP (CAR FORM)
'CLISPWORD)
(NOT (CLISPIFY2D FORM)))
(CLISPIFY1 FORM NIL FORM))
((CLISPNOEVAL (CAR FORM)
T) (* Dont clispify the tails of
nlambdas that dont evaluate their
arguments.)
FORM)
((AND CLISPIFYUSERFN (SETQ TEM1 (CLISPIFYUSERFN FORM)))
TEM1)
((AND [COND
[(LITATOM (CAR FORM))
(NULL (FGETD (CAR FORM]
((LISTP (CAR FORM))
(NULL (OR (EQ (CAAR FORM)
'LAMBDA)
(EQ (CAAR FORM)
'NLAMBDA]
(GETHASH FORM CLISPARRAY))
(PUTHASH FORM NIL CLISPARRAY)
(CLISPIFY2B FORM))
((NULL (CDR FORM))
(* NULL checks for No arguments, so must leve as item since otherwise would be
convereted by dwimify to a variable, e.g.
(EQ (FOO) FORM) cannot become FOO=X. The AND checks for nlambdas.)
FORM)
(T (GO B]
B
(* On this call subparent is specified as being the fomr itself because OF
cases like (x* (IPLUS X Y)))
(RETURN (CLISPIFY2C FORM NIL FORM])
(CLISPIFY2C
[LAMBDA (FORM X SUBPARENT) (* lmm "27-FEB-83 10:38")
(* (CAR FORM) is not to be treated
specially. CLISPIFY2C simply calls
CLISPIFY1.)
(OR X (SETQ X (CLISPIFY1 (CDR FORM)
NIL NIL NIL (COND
((EQMEMB 'PROGN (GETPROP (CAR FORM)
'INFO))
'NOTLAST))
SUBPARENT)))
(COND
((NEQ X (CDR FORM))
(CONS (CAR FORM)
X))
(T FORM])
(CLISPIFY2D
[LAMBDA (FORM) (* wt%: "23-JUL-78 23:32")
(* expressions like (SUM + X) do not translate into iterative statements,
(see wtfix1) so that when clipified, they should not be lowercased.
this function returns T if the second element of an the form, X, would cause
the expression not to dwimify as an i.s.)
(PROG (TEM)
(RETURN (AND (SETQ TEM (CADR FORM))
(LITATOM TEM)
(OR (GETPROP TEM 'CLISPTYPE)
(MEMB (SETQ TEM (NTHCHAR TEM 1))
CLISPCHARS))
(NOT (GETPROP TEM 'UNARYOP))
[NOT (BOUNDP (SETQ TEM (CADR FORM]
(NOT (MEMB TEM VARS))
(NOT (MEMB TEM NOFIXVARSLST))
(NOT (GETPROP TEM 'GLOBALVAR))
(NOT (MEMB TEM GLOBALVARS])
(CLISP3
[LAMBDA (OPR X CLTYP FLG) (* lmm " 5-SEP-83 23:53")
(PROG (L (BROADSCOPE (GETPROP OPR 'BROADSCOPE))
TEM CLISPISTATE)
[COND
((OR (NULL CLTYP)
(NULL CLISPFLG))
(* This permits user to disable CLISPIFY transformations and CLISP
transformaions simply by remving CLISPYTPE property)
(RETURN (CLISPIFY2C X]
(SETQ L (CDR X))
(COND
(FLG (* X was alrady CLISPIFIED.
Used by CLISPIFYNOT)
(SETQ L X)
(GO OUT))
((EQ OPR '%')
(SETQ L (LIST OPR (CAR L)))
(GO OUT))
([AND NEGFLG [OR (NULL CLISPIFYENGLSHFLG)
(NULL (GETPROP OPR 'CLISPIFYISPROP]
(SETQ TEM (GETPROP OPR 'CLISPNEG]
(SETQ NEGFLG NIL)
(SETQ FLG T)
(* FLG is set so that clisp3 can know that negflg ws turned off in case for
some reason it was unable to convert to clispify, e.g.
variable was also name of function.)
(SETQ OPR TEM)))
[AND (NULL (GETPROP OPR 'UNARYOP))
(NULL (CDR L))
(COND
[(EQ (ARGTYPE (GETP OPR 'LISPFN))
2) (* E.G. (IPLUS X))
(RETURN (CONS (CAR X)
(CLISPIFY1 (CDR X]
(T (SETQ L (LIST (CADR X)
NIL]
(AND PARENT (CLISP4 PARENT SUBPARENT))
(* e.g. |...| x* (iplus y z) need to dwimify the higher expression in order to
discover the X* and to know that (iplus y z) must be parenthesized)
(CLISP4 X) (* e.g. (iplus x _
(exp) z))
(SETQ L (CLISPIFY1 L OPR CLTYP BROADSCOPE))
OUT (COND
([OR (EQ (CAR L)
'-)
(AND (NUMBERP (CAR L))
(MINUSP (CAR L] (* Unary minus must be parenthesized)
(SETQ SEG NIL))
[(NULL OPR0) (* Parent form is a regular function)
(SETQ SEG (COND
(CLTYP0
(* Parent form is an IF or FOR. Pathological cases occur when clispifying an
already paatially clispified expression, e.g.
(IF a then (AND B C) D)%. Here cant remove parentheses, but in
(IF (AND A B) THEN C) you can)
(COND
((OR (EQ CLTYP0 'COND)
(EQ CLTYP0 'IS))
(* Started out with a COND. CLISPCOND is careful about setting CLTYP0 so it is
safe to remove parentheses)
T)
((NLISTP CLTYP0)
(SHOULDNT))
([AND (EQ TAIL (CDR CLTYP0))
[OR (NULL (CDR TAIL))
(EQ (CAR (GETPROP (CADR TAIL)
'CLISPWORD))
(CAR (GETPROP (CAR CLTYP0)
'CLISPWORD]
(NULL (SOME L (FUNCTION (LAMBDA (X)
(LISTP (GETPROP X 'CLISPWORD]
(* Says there is only one expression there so safe to remove parentehses, e.g.
(IF A THEN (AND B C) ELSE D) The reason for the SOME is that cant remve parens
if any of the words in L are also operators, e.g.
user writes (WHILE (IGREATERP X COUNT) do --) can't remove parens because COUNT
is also an operator)
T)))
(BROADSCOPE
(* If BROADSCOPE is T, form must be parentheseized, e.g.
(FOO (AND X Y)) must be (FOO (X AND Y)) not
(FOO X AND Y))
NIL)
((NULL CLISPIFYPACKFLG)
(NOT (CLISPNOEVAL (CAR PARENT)
T)))
(T T]
((OR (AND (LITATOM (CAR L))
(FGETD (CAR L)))
(CLISP3B OPR CLTYP))
(SETQ SEG NIL))
(T (SETQ SEG (COND
((AND BROADSCOPE (EQ CLTYP0 'BRACKET))
NIL)
(T T))) (* And packing will be done by
higher operator)
(RETURN L)))
(SETQ TEM (CLISP3A L))
(RETURN (COND
((AND (LITATOM (CAR L))
(CLISPNOEVAL (CAR L)))
(* Kaplan insists on this check. He has variables and nlambda function of the
same name. Note if function isnot defined at clispify time, you lose, i.e.
(AND FOO X) will go to (FOO AND X))
(SETQ NEGFLG FLG) (* SEE COMMENT AT CHECK FOR NEGFLG
EARLIER.)
(SETQ SEG NIL)
(CLISPIFY2C X))
(T TEM])
(CLISP3A
[LAMBDA (L) (* lmm "27-FEB-83 09:14")
(* L is a list of operands and operators.
CLISP3A packs up the atoms. Its value is always a list.
CLISPCHARS is a list of those infix operators which can be packed with their
operands. Most of these are single characters, but for example ~= appears on
this list.)
(SETQ L (CLISPACKUP L))
(COND
([SELECTQ (CAR PARENT)
((SELECTQ SETN) (* if packing results in more than
one expression, then must put parens
around it.)
(CDR L))
(EQMEMB 'LABELS (GETPROP (CAR PARENT)
'INFO]
(SETQ SEG NIL)))
L])
(CLISP3B
[LAMBDA (OPR CLTYP) (* wt%: " 2-JUL-78 18:07")
(* called by clisp3 and clispifycrops. determines if parens are needed around
the operator cluster by checking whether higher operator would incorrectly
gobble parts of this one OR is true if inner operaton must be parenthesized.
First clause corresponds to case where there is an operand to the left of this
one, and the inner operator would stop the scan of the outer one, i.e.
the one on the left, e.g. (ITIMES A (IPLUS B C))%, must go to A*
(B+C)%. Second clause corresponds to case where there is an operand to the
right of this one, and the outer operator, i.e.
the one on the right, would NOT stop the inner, e.g.
(ITIMES (IPLUS A B) C)%, mustgo to (A+B) *C.)
(* The AND LISTP ILESSP expression is to cover the case handled specially in
stopscan?, namely that of A*B_Y+C grouping as A*
(B_Y+C) because the right precedence of _ is looser than that of *.
This is handled here by making the same comparison.
It will result in some extra unnecessary parens in some cases, e.g.
(ITIMES A (SETQ B (IPLUS C D))) clispifies to
(A* (B_Y+C))%. However, note that in (IPLUS
(ITIMES A (SETQ B Y)) C)%, the parens in
(A* (B_Y) +C) ARE necessary. However, the information relating to this is TWO
tails above this operator, so better just to be safe.)
(AND OPR0 (NEQ CLTYP0 'BRACKET)
(NEQ CLTYP 'BRACKET)
(OR [AND LST (OR (CLSTOPSCAN? CLTYP CLTYP0)
(AND (LISTP CLTYP)
(ILESSP (CDR CLTYP)
(COND
((ATOM CLTYP0)
CLTYP0)
(T (CDR CLTYP0]
(AND (CDR TAIL)
(NOT (CLSTOPSCAN? CLTYP0 CLTYP])
(CLISPACKUP
[LAMBDA (L) (* wt%: " 9-JAN-80 20:47")
(PROG ((LL L)
L1 L2 TEM L-1 OPRFLG)
TOP [COND
((NOT (ATOM (CAR LL)))
(SETQ L-1 NIL)
(GO PACKUP))
((EQ (CAR LL)
'%') (* %' has to be handled specially)
[COND
((OR (NOT (FMEMB (CAR L2)
CLISPCHARS))
(EQ (CAR L2)
'!))
(* If the previous element was NOT an operatr, the %' must start a separate
atom, therefore pack up the segment up to the %'.)
(CLISP3C L1 L2)
(AND (ATOM (CADR LL))
(CLISP3C LL (CDR LL)))
(* The %' and its argument must also be packed up, even if other opeators
follow, because %' is always the last operaar in an atom.)
)
(T (SETQ LL (CLISP3C L1 (COND
((ATOM (CADR LL))
(CDR LL))
(T LL]
(SETQ L1 (SETQ L-1 NIL))
(GO LP1))
[(OR (NOT (FMEMB (CAR LL)
CLISPCHARS))
(EQ (CAR LL)
'!))
(COND
((NOT (LITATOM (CAR LL)))
(SETQ L-1 LL))
((FMEMB 'CLISPTYPE (GETPROPLIST (CAR LL)))