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CMLLIST
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(DEFINE-FILE-INFO READTABLE "XCL" PACKAGE "LISP")
(IL:FILECREATED "16-May-90 13:26:57" IL:|{DSK}<usr>local>lde>lispcore>sources>CMLLIST.;2| 83939
IL:|changes| IL:|to:| (IL:VARS IL:CMLLISTCOMS)
IL:|previous| IL:|date:| "23-May-88 20:23:20" IL:|{DSK}<usr>local>lde>lispcore>sources>CMLLIST.;1|
)
; Copyright (c) 1985, 1986, 1987, 1988, 1990 by Venue & Xerox Corporation. All rights reserved.
(IL:PRETTYCOMPRINT IL:CMLLISTCOMS)
(IL:RPAQQ IL:CMLLISTCOMS
(
(IL:* IL:|;;;| "CMLLIST. Common Lisp Lists Covers all of chapter 15 ")
(IL:COMS
(IL:* IL:|;;| "Section 15.1 Conses.")
(IL:* IL:|;;|
"CAR, CDR, ..., CDDDDR (all functions on pages 262-263) are shared with Interlisp.")
(IL:* IL:|;;| "CONS is shared with Interlisp.")
(IL:COMS (IL:FUNCTIONS %SIMPLE-TREE-EQUAL %COMPLEX-TREE-EQUAL)
(IL:FUNCTIONS TREE-EQUAL)))
(IL:COMS
(IL:* IL:|;;| "Section 15.2 Lists.")
(IL:FUNCTIONS ENDP LIST-LENGTH)
(IL:COMS (IL:FUNCTIONS NTH %SET-NTH)
(IL:SETFS NTH)
(XCL:OPTIMIZERS NTH)
(IL:* IL:\;
"To be compatible with old compiled code")
(IL:DECLARE\: IL:DOCOPY IL:DONTEVAL@LOAD IL:DONTEVAL@COMPILE
(IL:P (IL:MOVD '%SET-NTH 'IL:%SETNTH))))
(IL:FUNCTIONS FIRST SECOND THIRD FOURTH FIFTH SIXTH SEVENTH EIGHTH NINTH TENTH REST
)
(IL:COMS (IL:FUNCTIONS NTHCDR)
(XCL:OPTIMIZERS NTHCDR))
(IL:* IL:|;;| "LAST, LIST, and LIST* are shared with Interlisp.")
(IL:FUNCTIONS MAKE-LIST)
(IL:* IL:|;;| "Common Lisp APPEND is different from Interlisp APPEND because Interlisp APPEND copies its last arg while Common Lisp APPEND does not. See page 268 of the silver book.")
(IL:COMS (IL:FUNCTIONS %APPEND)
(IL:FNS APPEND))
(IL:FUNCTIONS COPY-LIST COPY-ALIST COPY-TREE REVAPPEND)
(IL:* IL:|;;| "NCONC is shared with Interlisp.")
(IL:FUNCTIONS NRECONC)
(IL:* IL:|;;|
"CL:PUSH and CL:PUSHNEW are macros defined elsewhere. POP is shared with Interlisp.")
(IL:FUNCTIONS BUTLAST NBUTLAST LDIFF))
(IL:COMS
(IL:* IL:|;;| "Section 15.3 Alteration of List Structure.")
(IL:* IL:|;;| "RPLACA, and RPLACD are shared with Interlisp.")
)
(IL:COMS
(IL:* IL:|;;| "Section 15.4 Substitution of Expressions.")
(IL:DECLARE\: IL:DONTCOPY IL:DOEVAL@COMPILE (IL:FUNCTIONS %SUBST-MACRO
%NSUBST-MACRO))
(IL:COMS (IL:FUNCTIONS %SIMPLE-SUBST %COMPLEX-SUBST %SUBST-IF %SUBST-IF-NOT)
(IL:FUNCTIONS SUBST SUBST-IF SUBST-IF-NOT))
(IL:COMS (IL:FUNCTIONS %SIMPLE-NSUBST %COMPLEX-NSUBST %NSUBST-IF %NSUBST-IF-NOT)
(IL:FUNCTIONS NSUBST NSUBST-IF NSUBST-IF-NOT))
(IL:COMS (IL:FUNCTIONS %SIMPLE-SUBLIS %COMPLEX-SUBLIS)
(IL:FUNCTIONS SUBLIS))
(IL:COMS (IL:FUNCTIONS %SIMPLE-NSUBLIS %COMPLEX-NSUBLIS)
(IL:FUNCTIONS NSUBLIS)))
(IL:COMS
(IL:* IL:|;;| "Section 15.5 Usng Lists as Sets.")
(IL:* IL:|;;| "Utilities")
(IL:COMS (IL:FUNCTIONS %EQCODEP)
(IL:* IL:|;;| "used in various optimizers")
(IL:DECLARE\: IL:DONTCOPY IL:DOEVAL@COMPILE (IL:FUNCTIONS %CONSTANT-FUNCTION
%CONSTANT-EXPRESSION)))
(IL:COMS (IL:FUNCTIONS %SIMPLE-MEMBER %COMPLEX-MEMBER)
(IL:FUNCTIONS MEMBER MEMBER-IF MEMBER-IF-NOT)
(XCL:OPTIMIZERS MEMBER)
(IL:PROP IL:DOPVAL %SIMPLE-MEMBER))
(IL:* IL:|;;| "TAILP is shared with Interlisp.")
(IL:FUNCTIONS ADJOIN)
(XCL:OPTIMIZERS ADJOIN)
(IL:FUNCTIONS UNION NUNION)
(IL:FUNCTIONS INTERSECTION NINTERSECTION)
(IL:FUNCTIONS SET-DIFFERENCE NSET-DIFFERENCE)
(IL:FUNCTIONS SET-EXCLUSIVE-OR NSET-EXCLUSIVE-OR)
(IL:FUNCTIONS SUBSETP))
(IL:COMS
(IL:* IL:|;;| "Section 15.6 Association Lists.")
(IL:FUNCTIONS ACONS)
(IL:FUNCTIONS PAIRLIS)
(IL:COMS (IL:FUNCTIONS %SIMPLE-ASSOC %COMPLEX-ASSOC)
(IL:FUNCTIONS ASSOC ASSOC-IF ASSOC-IF-NOT)
(XCL:OPTIMIZERS ASSOC)
(IL:PROP IL:DOPVAL %SIMPLE-ASSOC))
(IL:COMS (IL:FUNCTIONS %SIMPLE-RASSOC %COMPLEX-RASSOC)
(IL:FUNCTIONS RASSOC RASSOC-IF RASSOC-IF-NOT)))
(IL:COMS
(IL:* IL:|;;| "Section 7.8.4 Mapping")
(IL:DECLARE\: IL:DONTCOPY IL:DOEVAL@COMPILE (IL:FUNCTIONS %MIN-LIST-LENGTH
%FILL-SLICE-FROM-LISTS))
(IL:COMS
(IL:* IL:|;;| "Utilities ")
(IL:FUNCTIONS %LIST-MAP-OPTIMIZER %LIST-COLLECT))
(IL:COMS (IL:FUNCTIONS %MAPCAR-SINGLE %MAPCAR-MULTIPLE)
(IL:FUNCTIONS MAPCAR)
(XCL:OPTIMIZERS MAPCAR))
(IL:COMS (IL:FUNCTIONS %MAPLIST-SINGLE %MAPLIST-MULTIPLE)
(IL:FUNCTIONS MAPLIST)
(XCL:OPTIMIZERS MAPLIST))
(IL:COMS (IL:FUNCTIONS %MAPC-SINGLE %MAPC-MULTIPLE)
(IL:FUNCTIONS MAPC)
(XCL:OPTIMIZERS MAPC))
(IL:COMS (IL:FUNCTIONS %MAPL-SINGLE %MAPL-MULTIPLE)
(IL:FUNCTIONS MAPL)
(XCL:OPTIMIZERS MAPL))
(IL:COMS (IL:FUNCTIONS %MAPCAN-SINGLE %MAPCAN-MULTIPLE)
(IL:FUNCTIONS MAPCAN)
(XCL:OPTIMIZERS MAPCAN))
(IL:COMS (IL:FUNCTIONS %MAPCON-SINGLE %MAPCON-MULTIPLE)
(IL:FUNCTIONS MAPCON)
(XCL:OPTIMIZERS MAPCON))
(IL:COMS
(IL:* IL:|;;|
"optimizers for Interlisp mapping functions whose bytemacros are not visible to the pav-compiler")
(IL:* IL:\; "Utility")
(IL:FUNCTIONS %EVERY-MAP-OPTIMIZER)
(XCL:OPTIMIZERS IL:MAP IL:MAPC IL:MAPLIST IL:MAPCAR IL:MAPCON IL:MAPCONC)
(XCL:OPTIMIZERS IL:SOME IL:EVERY IL:NOTANY IL:NOTEVERY IL:SUBSET)))
(IL:FUNCTIONS XCL:WITH-COLLECTION)
(IL:COMS
(IL:* IL:|;;| "some people apparantly still use memq")
(IL:DECLARE\: IL:DOCOPY IL:DONTEVAL@LOAD (IL:P (IL:MOVD 'IL:FMEMB 'IL:MEMQ))))
(IL:* IL:|;;| "Arrange to use the correct compiler.")
(IL:PROP IL:FILETYPE IL:CMLLIST)
(IL:PROP IL:MAKEFILE-ENVIRONMENT IL:CMLLIST)
(IL:DECLARE\: IL:DONTEVAL@LOAD IL:DOEVAL@COMPILE IL:DONTCOPY (IL:LOCALVARS . T))
(IL:DECLARE\: IL:DONTEVAL@LOAD IL:DOEVAL@COMPILE IL:DONTCOPY IL:COMPILERVARS
(IL:ADDVARS (IL:NLAMA)
(IL:NLAML)
(IL:LAMA APPEND)))))
(IL:* IL:|;;;| "CMLLIST. Common Lisp Lists Covers all of chapter 15 ")
(IL:* IL:|;;| "Section 15.1 Conses.")
(IL:* IL:|;;| "CAR, CDR, ..., CDDDDR (all functions on pages 262-263) are shared with Interlisp.")
(IL:* IL:|;;| "CONS is shared with Interlisp.")
(DEFUN %SIMPLE-TREE-EQUAL (X Y)
(IF (AND (CONSP X)
(CONSP Y))
(AND (%SIMPLE-TREE-EQUAL (CAR X)
(CAR Y))
(%SIMPLE-TREE-EQUAL (CDR X)
(CDR Y)))
(EQL X Y)))
(DEFUN %COMPLEX-TREE-EQUAL (X Y TEST TEST-NOT-P)
(COND
((CONSP X)
(AND (CONSP Y)
(%COMPLEX-TREE-EQUAL (CAR X)
(CAR Y)
TEST TEST-NOT-P)
(%COMPLEX-TREE-EQUAL (CDR X)
(CDR Y)
TEST TEST-NOT-P)))
((CONSP Y)
NIL)
(T (IF TEST-NOT-P
(NOT (FUNCALL TEST X Y))
(FUNCALL TEST X Y)))))
(DEFUN TREE-EQUAL (X Y &KEY TEST TEST-NOT)
(IF (AND TEST TEST-NOT)
(ERROR "Both test and test-not supplied")
(IF (OR TEST TEST-NOT)
(%COMPLEX-TREE-EQUAL X Y (OR TEST TEST-NOT)
TEST-NOT)
(%SIMPLE-TREE-EQUAL X Y))))
(IL:* IL:|;;| "Section 15.2 Lists.")
(DEFUN ENDP (OBJECT)
(COND
((CONSP OBJECT)
NIL)
((NULL OBJECT)
T)
((ERROR "Not a list: ~S" OBJECT))))
(DEFUN LIST-LENGTH (LIST)
(IL:* IL:|;;| "Returns the length of the given LIST or NIL if the LIST is circular.")
(LET ((N 0)
(FAST-POINTER LIST)
(SLOW-POINTER LIST))
(LOOP (COND
((NULL FAST-POINTER)
(RETURN N))
((NULL (CDR FAST-POINTER))
(RETURN (+ N 1)))
((AND (EQ FAST-POINTER SLOW-POINTER)
(> N 0))
(RETURN NIL)))
(SETQ N (+ N 2))
(SETQ FAST-POINTER (CDDR FAST-POINTER))
(SETQ SLOW-POINTER (CDR SLOW-POINTER)))))
(DEFUN NTH (N LIST)
(CAR (NTHCDR N LIST)))
(DEFUN %SET-NTH (N LIST NEW-VALUE)
(IF (< N 0)
(ERROR "Illegal index: ~S" N)
(DO ((CNT N (1- CNT))
(TAIL LIST))
((EQL CNT 0)
(RPLACA TAIL NEW-VALUE)
NEW-VALUE)
(SETQ TAIL (CDR TAIL))
(IF (NULL TAIL)
(ERROR "Index out of bounds: ~S" N)))))
(DEFSETF NTH %SET-NTH)
(XCL:DEFOPTIMIZER NTH (N-ARG LIST-ARG)
(IF (AND (TYPEP N-ARG 'FIXNUM)
(<= 0 N-ARG 10))
(IL:* IL:|;;|
"The optimizer for NTHCDR will take care of the rest of this...")
`(CAR (NTHCDR ,N-ARG ,LIST-ARG))
'COMPILER:PASS))
(IL:* IL:\; "To be compatible with old compiled code")
(IL:DECLARE\: IL:DOCOPY IL:DONTEVAL@LOAD IL:DONTEVAL@COMPILE
(IL:MOVD '%SET-NTH 'IL:%SETNTH)
)
(XCL:DEFINLINE FIRST (LIST)
(CAR LIST))
(XCL:DEFINLINE SECOND (LIST)
(CADR LIST))
(XCL:DEFINLINE THIRD (LIST)
(CADDR LIST))
(XCL:DEFINLINE FOURTH (LIST)
(CADDDR LIST))
(XCL:DEFINLINE FIFTH (LIST)
(CAR (CDDDDR LIST)))
(XCL:DEFINLINE SIXTH (LIST)
(CADR (CDDDDR LIST)))
(XCL:DEFINLINE SEVENTH (LIST)
(CADDR (CDDDDR LIST)))
(XCL:DEFINLINE EIGHTH (LIST)
(CADDDR (CDDDDR LIST)))
(XCL:DEFINLINE NINTH (LIST)
(CAR (CDDDDR (CDDDDR LIST))))
(XCL:DEFINLINE TENTH (LIST)
(CADR (CDDDDR (CDDDDR LIST))))
(XCL:DEFINLINE REST (LIST)
(CDR LIST))
(DEFUN NTHCDR (N LIST)
(IF (< N 0)
(ERROR "Illegal index: ~S" N)
(LET ((TAIL LIST))
(DOTIMES (I N TAIL)
(SETQ TAIL (CDR TAIL))))))
(XCL:DEFOPTIMIZER NTHCDR (N-ARG LIST-ARG)
(IF (AND (TYPEP N-ARG 'FIXNUM)
(<= 0 N-ARG 10))
(LET ((CDR-FORM LIST-ARG))
(DOTIMES (I N-ARG CDR-FORM)
(SETQ CDR-FORM (LIST 'CDR CDR-FORM))))
'COMPILER:PASS))
(IL:* IL:|;;| "LAST, LIST, and LIST* are shared with Interlisp.")
(DEFUN MAKE-LIST (SIZE &KEY INITIAL-ELEMENT)
(IF (< SIZE 0)
(ERROR "Illegal size: ~S" SIZE)
(LET ((RESULT NIL))
(DOTIMES (I SIZE RESULT)
(SETQ RESULT (CONS INITIAL-ELEMENT RESULT))))))
(IL:* IL:|;;|
"Common Lisp APPEND is different from Interlisp APPEND because Interlisp APPEND copies its last arg while Common Lisp APPEND does not. See page 268 of the silver book."
)
(DEFUN %APPEND (LIST1 LIST2)
(IF (ATOM LIST1)
LIST2
(DO* ((RESULT (LIST (CAR LIST1)))
(LIST1-TAIL (CDR LIST1)
(CDR LIST1-TAIL))
(RESULT-TAIL RESULT (CDR RESULT-TAIL)))
((ATOM LIST1-TAIL)
(RPLACD RESULT-TAIL LIST2)
RESULT)
(RPLACD RESULT-TAIL (LIST (CAR LIST1-TAIL))))))
(IL:DEFINEQ
(APPEND
(IL:LAMBDA ARGS (IL:* IL:\; "Edited 12-Jan-87 12:22 by jop")
(IL:* IL:|;;| "The result is a list that is the concatenation of the arguments. The arguments are not destroyed. Note that APPEND copies the top-level list structure of each of its arguments except the last.")
(CASE ARGS (0 NIL)
(1 (IL:ARG ARGS 1))
(OTHERWISE (DO ((RESULT (IL:ARG ARGS ARGS))
(I (1- ARGS)
(1- I)))
((EQL I 0)
RESULT)
(SETQ RESULT (%APPEND (IL:ARG ARGS I)
RESULT)))))))
)
(DEFUN COPY-LIST (LIST)
(IF (CONSP LIST)
(DO* ((RESULT (LIST (CAR LIST)))
(RESULT-TAIL RESULT (CDR RESULT-TAIL))
(LIST-TAIL (CDR LIST)
(CDR LIST-TAIL)))
((NOT (CONSP LIST-TAIL))
(IF LIST-TAIL (RPLACD RESULT-TAIL LIST-TAIL))
RESULT)
(RPLACD RESULT-TAIL (LIST (CAR LIST-TAIL))))
LIST))
(DEFUN COPY-ALIST (LIST)
(IF (CONSP LIST)
(DO* ((RESULT (LIST (IF (CONSP (CAR LIST))
(CONS (CAAR LIST)
(CDAR LIST))
(CAR LIST))))
(LIST-TAIL (CDR LIST)
(CDR LIST-TAIL))
(RESULT-TAIL RESULT (CDR RESULT-TAIL))
LIST-ELEMENT)
((NOT (CONSP LIST-TAIL)) (IL:* IL:\;
"Non-null terminated alist done here. ")
(IF LIST-TAIL (RPLACD RESULT-TAIL LIST-TAIL))
RESULT)
(SETQ LIST-ELEMENT (CAR LIST-TAIL))
(RPLACD RESULT-TAIL (LIST (IF (CONSP LIST-ELEMENT)
(CONS (CAR LIST-ELEMENT)
(CDR LIST-ELEMENT))
LIST-ELEMENT))))
LIST))
(DEFUN COPY-TREE (OBJECT)
(IF (CONSP OBJECT)
(CONS (COPY-TREE (CAR OBJECT))
(COPY-TREE (CDR OBJECT)))
OBJECT))
(DEFUN REVAPPEND (X Y)
(IL:* IL:|;;| "Returns (APPEND (REVERSE X) Y) ")
(IF (CONSP X)
(DO ((TAIL X (CDR TAIL))
(RESULT Y (CONS (CAR TAIL)
RESULT)))
((NULL TAIL)
RESULT))
Y))
(IL:* IL:|;;| "NCONC is shared with Interlisp.")
(DEFUN NRECONC (X Y)
(IF (CONSP X)
(LET ((TAIL X)
(RESULT Y)
NEXT-CELL)
(LOOP (IF (NULL TAIL)
(RETURN RESULT))
(SETQ TAIL (CDR (SETQ NEXT-CELL TAIL)))
(SETQ RESULT (RPLACD NEXT-CELL RESULT))))
Y))
(IL:* IL:|;;| "CL:PUSH and CL:PUSHNEW are macros defined elsewhere. POP is shared with Interlisp.")
(DEFUN BUTLAST (LIST &OPTIONAL (N 1))
(IF (< N 0)
(ERROR "Illegal n: ~S" N)) (IL:* IL:\;
"Use IL:length because cmllist is in the init but cmlseq isn't")
(LET ((LENGTH (IL:LENGTH LIST)))
(IF (<= LENGTH N)
NIL
(DO* ((RESULT (LIST (CAR LIST)))
(LIST-TAIL (CDR LIST)
(CDR LIST-TAIL))
(RESULT-TAIL RESULT (CDR RESULT-TAIL))
(CNT (1- LENGTH)
(1- CNT)))
((EQL CNT N)
RESULT)
(RPLACD RESULT-TAIL (LIST (CAR LIST-TAIL)))))))
(DEFUN NBUTLAST (LIST &OPTIONAL (N 1))
(IF (< N 0)
(ERROR "Illegal n: ~s" N)) (IL:* IL:\;
"Use IL:length because cmllist is in the init but cnlseq isn't")
(LET* ((LENGTH (IL:LENGTH LIST))
(INDEX (- LENGTH N 1)))
(COND
((< INDEX 0)
NIL)
(T (RPLACD (NTHCDR INDEX LIST)
NIL)
LIST))))
(DEFUN LDIFF (LIST SUBLIST)
(IF (EQ LIST SUBLIST)
NIL
(DO* ((RESULT (LIST (CAR LIST)))
(LIST-TAIL (CDR LIST)
(CDR LIST-TAIL))
(RESULT-TAIL RESULT (CDR RESULT-TAIL)))
((OR (NULL LIST-TAIL)
(EQ LIST-TAIL SUBLIST))
RESULT)
(RPLACD RESULT-TAIL (LIST (CAR LIST-TAIL))))))
(IL:* IL:|;;| "Section 15.3 Alteration of List Structure.")
(IL:* IL:|;;| "RPLACA, and RPLACD are shared with Interlisp.")
(IL:* IL:|;;| "Section 15.4 Substitution of Expressions.")
(IL:DECLARE\: IL:DONTCOPY IL:DOEVAL@COMPILE
(DEFMACRO %SUBST-MACRO (TEST-FORM CAR-RECURSION-FORM CDR-RECURSION-FORM)
`(COND
(,TEST-FORM NEW)
((ATOM TREE)
TREE)
(T (LET ((NEW-CAR ,CAR-RECURSION-FORM)
(NEW-CDR ,CDR-RECURSION-FORM))
(IF (AND (EQ (CAR TREE)
NEW-CAR)
(EQ (CDR TREE)
NEW-CDR))
TREE
(CONS NEW-CAR NEW-CDR))))))
(DEFMACRO %NSUBST-MACRO (TEST-FORM RECURSION-FORM)
`(IF ,(SUBST 'TREE 'TREE-FORM TEST-FORM)
NEW
(LET ((TAIL TREE))
(LOOP (IF (ATOM TAIL)
(RETURN TREE))
(IF ,(SUBST '(CAR TAIL)
'TREE-FORM TEST-FORM)
(RPLACA TAIL NEW)
,(SUBST '(CAR TAIL)
'TREE-FORM RECURSION-FORM))
(WHEN ,(SUBST '(CDR TAIL)
'TREE-FORM TEST-FORM)
(RPLACD TAIL NEW) (IL:* IL:\;
"If we replace the cdr, then we need not recurse any further")
(RETURN TREE))
(SETQ TAIL (CDR TAIL))))))
)
(DEFUN %SIMPLE-SUBST (NEW OLD TREE)
(%SUBST-MACRO (EQL OLD TREE)
(%SIMPLE-SUBST NEW OLD (CAR TREE))
(%SIMPLE-SUBST NEW OLD (CDR TREE))))
(DEFUN %COMPLEX-SUBST (NEW OLD TREE TEST TEST-NOT-P KEY)
(%SUBST-MACRO (LET ((TEST-RESULT (FUNCALL TEST OLD (IF KEY
(FUNCALL KEY TREE)
TREE))))
(IF TEST-NOT-P
(NOT TEST-RESULT)
TEST-RESULT))
(%COMPLEX-SUBST NEW OLD (CAR TREE)
TEST TEST-NOT-P KEY)
(%COMPLEX-SUBST NEW OLD (CDR TREE)
TEST TEST-NOT-P KEY)))
(DEFUN %SUBST-IF (NEW TEST TREE KEY)
(%SUBST-MACRO (FUNCALL TEST (IF KEY
(FUNCALL KEY TREE)
TREE))
(%SUBST-IF NEW TEST (CAR TREE)
KEY)
(%SUBST-IF NEW TEST (CDR TREE)
KEY)))
(DEFUN %SUBST-IF-NOT (NEW TEST TREE KEY)
(%SUBST-MACRO (NOT (FUNCALL TEST (IF KEY
(FUNCALL KEY TREE)
TREE)))
(%SUBST-IF-NOT NEW TEST (CAR TREE)
KEY)
(%SUBST-IF-NOT NEW TEST (CDR TREE)
KEY)))
(DEFUN SUBST (NEW OLD TREE &KEY (TEST 'EQL TEST-P)
(TEST-NOT NIL TEST-NOT-P)
(KEY NIL KEY-P))
(IF (AND TEST-P TEST-NOT-P)
(ERROR "Both test and test-not supplied"))
(IF (OR TEST-P TEST-NOT-P KEY-P)
(%COMPLEX-SUBST NEW OLD TREE (IF TEST-NOT-P
TEST-NOT
TEST)
TEST-NOT-P KEY)
(%SIMPLE-SUBST NEW OLD TREE)))
(DEFUN SUBST-IF (NEW TEST TREE &KEY KEY)
(%SUBST-IF NEW TEST TREE KEY))
(DEFUN SUBST-IF-NOT (NEW TEST TREE &KEY KEY)
(%SUBST-IF-NOT NEW TEST TREE KEY))
(DEFUN %SIMPLE-NSUBST (NEW OLD TREE)
(%NSUBST-MACRO (EQL OLD TREE-FORM)
(%SIMPLE-NSUBST NEW OLD TREE-FORM)))
(DEFUN %COMPLEX-NSUBST (NEW OLD TREE TEST TEST-NOT-P KEY)
(LET (TEST-RESULT)
(%NSUBST-MACRO (PROGN (SETQ TEST-RESULT (FUNCALL TEST OLD (IF KEY
(FUNCALL KEY TREE-FORM)
TREE-FORM)))
(IF TEST-NOT-P
(NOT TEST-RESULT)
TEST-RESULT))
(%COMPLEX-NSUBST NEW OLD TREE-FORM TEST TEST-NOT-P KEY))))
(DEFUN %NSUBST-IF (NEW TEST TREE KEY)
(%NSUBST-MACRO (FUNCALL TEST (IF KEY
(FUNCALL KEY TREE-FORM)
TREE-FORM))
(%NSUBST-IF NEW TEST TREE-FORM KEY)))
(DEFUN %NSUBST-IF-NOT (NEW TEST TREE KEY)
(%NSUBST-MACRO (NOT (FUNCALL TEST (IF KEY
(FUNCALL KEY TREE-FORM)
TREE-FORM)))
(%NSUBST-IF-NOT NEW TEST TREE-FORM KEY)))
(DEFUN NSUBST (NEW OLD TREE &KEY (TEST 'EQL TEST-P)
(TEST-NOT NIL TEST-NOT-P)
(KEY NIL KEY-P))
(IF (AND TEST-P TEST-NOT-P)
(ERROR "Both test and test-not supplied"))
(IF (OR TEST-P TEST-NOT-P KEY-P)
(%COMPLEX-NSUBST NEW OLD TREE (IF TEST-NOT-P
TEST-NOT
TEST)
TEST-NOT-P KEY)
(%SIMPLE-NSUBST NEW OLD TREE)))
(DEFUN NSUBST-IF (NEW TEST TREE &KEY KEY)
(%NSUBST-IF NEW TEST TREE KEY))
(DEFUN NSUBST-IF-NOT (NEW TEST TREE &KEY KEY)
(%NSUBST-IF-NOT NEW TEST TREE KEY))
(DEFUN %SIMPLE-SUBLIS (A-LIST TREE)
(LET ((PAIR (%SIMPLE-ASSOC TREE A-LIST)))
(COND
(PAIR (CDR PAIR))
((ATOM TREE)
TREE)
(T (LET ((NEW-CAR (%SIMPLE-SUBLIS A-LIST (CAR TREE)))
(NEW-CDR (%SIMPLE-SUBLIS A-LIST (CDR TREE))))
(IF (AND (EQ (CAR TREE)
NEW-CAR)
(EQ (CDR TREE)
NEW-CDR))
TREE
(CONS NEW-CAR NEW-CDR)))))))
(DEFUN %COMPLEX-SUBLIS (A-LIST TREE TEST TEST-NOT-P KEY)
(LET ((PAIR (%COMPLEX-ASSOC (IF KEY
(FUNCALL KEY TREE)
TREE)
A-LIST TEST TEST-NOT-P NIL)))
(COND
(PAIR (CDR PAIR))
((ATOM TREE)
TREE)
(T (LET ((NEW-CAR (%COMPLEX-SUBLIS A-LIST (CAR TREE)
TEST TEST-NOT-P KEY))
(NEW-CDR (%COMPLEX-SUBLIS A-LIST (CDR TREE)
TEST TEST-NOT-P KEY)))
(IF (AND (EQ (CAR TREE)
NEW-CAR)
(EQ (CDR TREE)
NEW-CDR))
TREE
(CONS NEW-CAR NEW-CDR)))))))
(DEFUN SUBLIS (A-LIST TREE &KEY (TEST 'EQL TEST-P)
(TEST-NOT NIL TEST-NOT-P)
(KEY NIL KEY-P))
(IF (AND TEST-P TEST-NOT-P)
(ERROR "Both test and test-not supplied"))
(IF (OR TEST-P TEST-NOT-P KEY-P)
(%COMPLEX-SUBLIS A-LIST TREE (IF TEST-NOT-P
TEST-NOT
TEST)
TEST-NOT-P KEY)
(%SIMPLE-SUBLIS A-LIST TREE)))
(DEFUN %SIMPLE-NSUBLIS (A-LIST TREE)
(LET ((PAIR NIL))
(IF (SETQ PAIR (%SIMPLE-ASSOC TREE A-LIST))
(CDR PAIR)
(LET ((TAIL TREE))
(LOOP (IF (ATOM TAIL)
(RETURN TREE))
(IF (SETQ PAIR (%SIMPLE-ASSOC (CAR TAIL)
A-LIST))
(RPLACA TAIL (CDR PAIR))
(%SIMPLE-NSUBLIS A-LIST (CAR TAIL)))
(WHEN (SETQ PAIR (%SIMPLE-ASSOC (CDR TAIL)
A-LIST))
(RPLACD TAIL (CDR PAIR))
(RETURN TREE))
(SETQ TAIL (CDR TAIL)))))))
(DEFUN %COMPLEX-NSUBLIS (A-LIST TREE TEST TEST-NOT-P KEY)
(LET ((PAIR NIL))
(IF (SETQ PAIR (%COMPLEX-ASSOC (IF KEY
(FUNCALL KEY TREE)
TREE)
A-LIST TEST TEST-NOT-P NIL))
(CDR PAIR)
(LET ((TAIL TREE))
(LOOP (IF (ATOM TAIL)
(RETURN TREE))
(IF (SETQ PAIR (%COMPLEX-ASSOC (IF KEY
(FUNCALL KEY (CAR TAIL))
(CAR TAIL))
A-LIST TEST TEST-NOT-P NIL))
(RPLACA TAIL (CDR PAIR))
(%COMPLEX-NSUBLIS A-LIST (CAR TAIL)
TEST TEST-NOT-P KEY))
(WHEN (SETQ PAIR (%COMPLEX-ASSOC (IF KEY
(FUNCALL KEY (CDR TAIL))
(CDR TAIL))
A-LIST TEST TEST-NOT-P NIL))
(RPLACD TAIL (CDR PAIR))
(RETURN TREE))
(SETQ TAIL (CDR TAIL)))))))
(DEFUN NSUBLIS (A-LIST TREE &KEY (TEST 'EQL TEST-P)
(TEST-NOT NIL TEST-NOT-P)
(KEY NIL KEY-P))
(IF (AND TEST-P TEST-NOT-P)
(ERROR "Both test and test-not supplied"))
(IF (OR TEST-P TEST-NOT-P KEY-P)
(%COMPLEX-NSUBLIS A-LIST TREE (IF TEST-NOT-P
TEST-NOT
TEST)
TEST-NOT-P KEY)
(%SIMPLE-NSUBLIS A-LIST TREE)))
(IL:* IL:|;;| "Section 15.5 Usng Lists as Sets.")
(IL:* IL:|;;| "Utilities")
(DEFUN %EQCODEP (TESTFN KNOWNFN)
(IL:* IL:|;;| "KNOWNFN is a symbol (like 'eq), and TESTFN is either a symbol or a compiled closure object. Tests if TESTFN represents the \"same\" function as KNOWNFN.")
(OR (EQ TESTFN KNOWNFN)
(AND (TYPEP TESTFN 'IL:COMPILED-CLOSURE)
(TYPEP KNOWNFN 'SYMBOL)
(EQ (IL:|fetch| (IL:COMPILED-CLOSURE IL:FNHEADER) IL:|of| TESTFN)
(IL:|fetch| (SYMBOL IL:DEFPOINTER) IL:|of| KNOWNFN)))))
(IL:* IL:|;;| "used in various optimizers")
(IL:DECLARE\: IL:DONTCOPY IL:DOEVAL@COMPILE
(DEFMACRO %CONSTANT-FUNCTION (FN-ARG)
`(OR (CAR (IL:CONSTANTEXPRESSIONP ,FN-ARG))
(AND (CONSP ,FN-ARG)
(EQ (CAR ,FN-ARG)
'FUNCTION)
(CADR ,FN-ARG))))
(DEFMACRO %CONSTANT-EXPRESSION (EXPR)
`(CAR (IL:CONSTANTEXPRESSIONP ,EXPR)))
)
(DEFUN %SIMPLE-MEMBER (ITEM LIST)
(IF (OR (SYMBOLP ITEM)
(TYPEP ITEM 'FIXNUM)
(CHARACTERP ITEM)) (IL:* IL:\; "Can use the eq opcode")
(IL:FMEMB ITEM LIST)
(DO ((TAIL LIST (CDR TAIL)))
((OR (NULL TAIL)
(EQL ITEM (CAR TAIL)))
TAIL))))
(DEFUN %COMPLEX-MEMBER (ITEM LIST TEST TEST-NOT-P KEY)
(IF TEST-NOT-P
(IF KEY
(DO ((TAIL LIST (CDR TAIL))
TEST-RESULT)
((OR (NULL TAIL)
(NOT (FUNCALL TEST ITEM (FUNCALL KEY (CAR TAIL)))))
TAIL))
(DO ((TAIL LIST (CDR TAIL))
TEST-RESULT)
((OR (NULL TAIL)
(NOT (FUNCALL TEST ITEM (CAR TAIL))))
TAIL)))
(IF KEY
(COND
((%EQCODEP TEST 'EQL)
(DO ((TAIL LIST (CDR TAIL))
TEST-RESULT)
((OR (NULL TAIL)
(EQL ITEM (FUNCALL KEY (CAR TAIL))))
TAIL)))
((%EQCODEP TEST 'EQ)
(DO ((TAIL LIST (CDR TAIL))
TEST-RESULT)
((OR (NULL TAIL)
(EQ ITEM (FUNCALL KEY (CAR TAIL))))
TAIL)))
((%EQCODEP TEST 'EQUAL)
(DO ((TAIL LIST (CDR TAIL))
TEST-RESULT)
((OR (NULL TAIL)
(EQUAL ITEM (FUNCALL KEY (CAR TAIL))))
TAIL)))
(T (DO ((TAIL LIST (CDR TAIL))
TEST-RESULT)
((OR (NULL TAIL)
(FUNCALL TEST ITEM (FUNCALL KEY (CAR TAIL))))
TAIL))))
(COND
((%EQCODEP TEST 'EQUAL)
(DO ((TAIL LIST (CDR TAIL))
TEST-RESULT)
((OR (NULL TAIL)
(EQUAL ITEM (CAR TAIL)))
TAIL)))
((%EQCODEP TEST 'EQ)
(IL:FMEMB ITEM LIST))
((%EQCODEP TEST 'EQL)
(%SIMPLE-MEMBER ITEM LIST))
(T (DO ((TAIL LIST (CDR TAIL))
TEST-RESULT)
((OR (NULL TAIL)
(FUNCALL TEST ITEM (CAR TAIL)))
TAIL)))))))
(DEFUN MEMBER (ITEM LIST &KEY (TEST 'EQL TEST-P)
(TEST-NOT NIL TEST-NOT-P)
(KEY NIL KEY-P))
(IF (AND TEST-P TEST-NOT-P)
(ERROR "Both test and test-not supplied"))
(IF (OR TEST-P TEST-NOT-P KEY-P)
(%COMPLEX-MEMBER ITEM LIST (IF TEST-NOT-P
TEST-NOT
TEST)
TEST-NOT-P KEY)
(%SIMPLE-MEMBER ITEM LIST)))
(DEFUN MEMBER-IF (PREDICATE LIST &KEY KEY)
(DO ((TAIL LIST (CDR TAIL))
ITEM)
((OR (NULL TAIL)
(PROGN (SETQ ITEM (IF KEY
(FUNCALL KEY (CAR TAIL))
(CAR TAIL)))
(FUNCALL PREDICATE ITEM)))
TAIL)))
(DEFUN MEMBER-IF-NOT (PREDICATE LIST &KEY KEY)
(DO ((TAIL LIST (CDR TAIL))
ITEM)
((OR (NULL TAIL)
(PROGN (SETQ ITEM (IF KEY
(FUNCALL KEY (CAR TAIL))
(CAR TAIL)))
(NOT (FUNCALL PREDICATE ITEM))))
TAIL)))
(XCL:DEFOPTIMIZER MEMBER (ITEM LIST &KEY (TEST ''EQL TEST-P)
(TEST-NOT NIL TEST-NOT-P)
(KEY NIL KEY-P))
(IL:* IL:|;;| "optimize the simple cases")
(LET
((CONSTANT-ITEM (%CONSTANT-EXPRESSION ITEM))
(CONSTANT-LIST (%CONSTANT-EXPRESSION LIST))
(CONSTANT-TEST (%CONSTANT-FUNCTION TEST)))
(COND
((OR (AND (EQ CONSTANT-TEST 'EQ)
(NULL TEST-NOT-P)
(NULL KEY-P))
(AND (EQ CONSTANT-TEST 'EQL)
(NULL TEST-NOT-P)
(NULL KEY-P)
(OR (AND CONSTANT-ITEM (TYPEP CONSTANT-ITEM 'SYMBOL))
(AND CONSTANT-LIST (CONSP CONSTANT-LIST)
(EVERY #'(LAMBDA (X)
(TYPEP X 'SYMBOL))
CONSTANT-LIST)))))
(IL:* IL:|;;| "Use the eq opcode")
`(IL:FMEMB ,ITEM ,LIST))
((AND (EQ CONSTANT-TEST 'EQL)
(NULL TEST-NOT-P)
(NULL KEY-P))
`(%SIMPLE-MEMBER ,ITEM ,LIST))
(T 'COMPILER:PASS))))
(IL:PUTPROPS %SIMPLE-MEMBER IL:DOPVAL (2 IL:CMLMEMBER))
(IL:* IL:|;;| "TAILP is shared with Interlisp.")
(DEFUN ADJOIN (ITEM LIST &KEY (TEST 'EQL TEST-P)
(TEST-NOT NIL TEST-NOT-P)
(KEY NIL KEY-P))
(IL:* IL:|;;| "Add item to list unless it is already a member")
(IF (AND TEST-P TEST-NOT-P)
(ERROR "Both test and test-not supplied"))
(IF (NOT (IF (OR TEST-P TEST-NOT-P KEY-P) (IL:* IL:\;
"Adjoin applies key to item (pg. 276)")
(%COMPLEX-MEMBER (IF KEY
(FUNCALL KEY ITEM)
ITEM)
LIST
(IF TEST-NOT-P
TEST-NOT
TEST)
TEST-NOT-P KEY)
(%SIMPLE-MEMBER ITEM LIST)))
(CONS ITEM LIST)
LIST))
(XCL:DEFOPTIMIZER ADJOIN (ITEM LIST &KEY (TEST ''EQL TEST-P)
(TEST-NOT NIL TEST-NOT-P)
(KEY NIL KEY-P))
(LET
((CONSTANT-TEST (%CONSTANT-FUNCTION TEST)))
(IL:* IL:|;;|
"take advantage of microcode support for list membership tests")
(IL:* IL:|;;|
"note: PUSHNEW expands to ADJOIN & is the main reason we care that ADJOIN is fast.")
(IF (AND (OR (EQ CONSTANT-TEST 'EQ)
(EQ CONSTANT-TEST 'EQL))
(NOT TEST-NOT-P)
(NOT KEY-P))
(LET ((ITEMVAR (GENTEMP))
(LISTVAR (GENTEMP)))
`(LET ((,ITEMVAR ,ITEM)
(,LISTVAR ,LIST))
(IF (,(CASE CONSTANT-TEST
(EQ 'IL:FMEMB)
(EQL '%SIMPLE-MEMBER))
,ITEMVAR
,LISTVAR)
,LISTVAR
(CONS ,ITEMVAR ,LISTVAR))))
'COMPILER:PASS)))
(DEFUN UNION (LIST1 LIST2 &KEY (TEST 'EQL TEST-P)
(TEST-NOT NIL TEST-NOT-P)
(KEY NIL KEY-P))
(IL:* IL:|;;| "Returns the union of LIST1 and LIST2. ")
(IF (AND TEST-P TEST-NOT-P)
(ERROR "Both test and test-not supplied"))
(LET ((LIST1-EXTRAS NIL)
(LIST1-EXTRAS-TAIL NIL))
(IF (OR TEST-P TEST-NOT-P KEY-P)
(LET ((LOOP-TEST (IF TEST-NOT-P
TEST-NOT
TEST)))
(DOLIST (ELEMENT LIST1)
(IF (NOT (%COMPLEX-MEMBER (IF KEY
(FUNCALL KEY ELEMENT)