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|
(PROCLAIM '(OPTIMIZE SPEED))
(IMPORT-MODULE "initial-env")
(IN-PACKAGE "BOOTTRAN")
(PROVIDE "utility")
(EVAL-WHEN (:COMPILE-TOPLEVEL :LOAD-TOPLEVEL :EXECUTE)
(EXPORT '(|objectMember?| |symbolMember?| |stringMember?|
|charMember?| |scalarMember?| |listMember?| |reverse|
|reverse!| |lastNode| |append| |append!| |copyList|
|substitute| |substitute!| |setDifference| |applySubst|
|applySubst!| |applySubstNQ| |remove| |removeSymbol|)))
(DECLAIM (FTYPE (FUNCTION (|%Thing| |%Thing| |%Thing|) |%Thing|)
|substitute|))
(DECLAIM (FTYPE (FUNCTION (|%Thing| |%Thing| |%Thing|) |%Thing|)
|substitute!|))
(DECLAIM (FTYPE (FUNCTION ((|%List| |%Thing|) (|%List| |%Thing|))
(|%List| |%Thing|))
|append|))
(DECLAIM (FTYPE (FUNCTION ((|%List| |%Thing|) (|%List| |%Thing|))
(|%List| |%Thing|))
|append!|))
(DECLAIM (FTYPE (FUNCTION ((|%List| |%Thing|)) (|%List| |%Thing|))
|copyList|))
(DECLAIM (FTYPE (FUNCTION ((|%List| |%Thing|))
(|%Maybe| (|%Node| |%Thing|)))
|lastNode|))
(DECLAIM (FTYPE (FUNCTION ((|%List| |%Thing|) |%Symbol|)
(|%List| |%Thing|))
|removeSymbol|))
(DECLAIM (FTYPE (FUNCTION ((|%List| |%Thing|) |%Thing|)
(|%List| |%Thing|))
|remove|))
(DEFUN |objectMember?| (|x| |l|)
(LOOP
(COND
((NULL |l|) (RETURN NIL))
((CONSP |l|)
(COND ((EQ |x| (CAR |l|)) (RETURN T)) (T (SETQ |l| (CDR |l|)))))
(T (RETURN (EQ |x| |l|))))))
(DEFUN |symbolMember?| (|s| |l|)
(LOOP
(COND
((NULL |l|) (RETURN NIL))
((CONSP |l|)
(COND ((EQ |s| (CAR |l|)) (RETURN T)) (T (SETQ |l| (CDR |l|)))))
(T (RETURN (EQ |s| |l|))))))
(DEFUN |stringMember?| (|s| |l|)
(LOOP
(COND
((NULL |l|) (RETURN NIL))
((CONSP |l|)
(COND
((STRING= |s| (CAR |l|)) (RETURN T))
(T (SETQ |l| (CDR |l|)))))
(T (RETURN (STRING= |s| |l|))))))
(DEFUN |charMember?| (|c| |l|)
(LOOP
(COND
((NULL |l|) (RETURN NIL))
((CONSP |l|)
(COND
((CHAR= |c| (CAR |l|)) (RETURN T))
(T (SETQ |l| (CDR |l|)))))
(T (RETURN (CHAR= |c| |l|))))))
(DEFUN |scalarMember?| (|s| |l|)
(LOOP
(COND
((NULL |l|) (RETURN NIL))
((CONSP |l|)
(COND
((EQL |s| (CAR |l|)) (RETURN T))
(T (SETQ |l| (CDR |l|)))))
(T (RETURN (EQL |s| |l|))))))
(DEFUN |listMember?| (|x| |l|)
(LOOP
(COND
((NULL |l|) (RETURN NIL))
((CONSP |l|)
(COND
((EQUAL |x| (CAR |l|)) (RETURN T))
(T (SETQ |l| (CDR |l|)))))
(T (RETURN (EQUAL |x| |l|))))))
(DEFUN |reverse| (|l|)
(PROG (|r|)
(RETURN
(PROGN
(SETQ |r| NIL)
(LOOP
(COND
((CONSP |l|) (SETQ |r| (CONS (CAR |l|) |r|))
(SETQ |l| (CDR |l|)))
(T (RETURN |r|))))))))
(DEFUN |reverse!| (|l|)
(PROG (|l2| |l1|)
(RETURN
(PROGN
(SETQ |l1| NIL)
(LOOP
(COND
((CONSP |l|) (SETQ |l2| (CDR |l|)) (RPLACD |l| |l1|)
(SETQ |l1| |l|) (SETQ |l| |l2|))
(T (RETURN |l1|))))))))
(DEFUN |lastNode| (|l|)
(PROG (|l'|)
(RETURN
(PROGN
(LOOP
(COND
((NOT (AND (CONSP |l|) (PROGN (SETQ |l'| (CDR |l|)) T)
(CONSP |l'|)))
(RETURN NIL))
(T (SETQ |l| |l'|))))
|l|))))
(DEFUN |copyList| (|l|)
(PROG (|l'| |t|)
(RETURN
(COND
((NOT (CONSP |l|)) |l|)
(T (SETQ |l'| (SETQ |t| (LIST (CAR |l|))))
(LOOP
(PROGN
(SETQ |l| (CDR |l|))
(COND
((CONSP |l|) (RPLACD |t| (LIST (CAR |l|)))
(SETQ |t| (CDR |t|)))
(T (RPLACD |t| |l|) (RETURN |l'|))))))))))
(DEFUN |append!| (|x| |y|)
(COND
((NULL |x|) |y|)
((NULL |y|) |x|)
(T (RPLACD (|lastNode| |x|) |y|) |x|)))
(DEFUN |append| (|x| |y|) (|append!| (|copyList| |x|) |y|))
(DEFUN |assocSymbol| (|s| |al|)
(PROG (|x|)
(RETURN
(LOOP
(COND
((AND (CONSP |al|)
(PROGN (SETQ |x| (CAR |al|)) (SETQ |al| (CDR |al|)) T))
(COND
((AND (CONSP |x|) (EQ |s| (CAR |x|)))
(IDENTITY (RETURN |x|)))))
(T (RETURN NIL)))))))
(DEFUN |substitute!| (|y| |x| |s|)
(COND
((NULL |s|) NIL)
((EQ |x| |s|) |y|)
(T (COND
((CONSP |s|) (RPLACA |s| (|substitute!| |y| |x| (CAR |s|)))
(RPLACD |s| (|substitute!| |y| |x| (CDR |s|)))))
|s|)))
(DEFUN |substitute| (|y| |x| |s|)
(PROG (|t| |h|)
(RETURN
(COND
((NULL |s|) NIL)
((EQ |x| |s|) |y|)
((CONSP |s|) (SETQ |h| (|substitute| |y| |x| (CAR |s|)))
(SETQ |t| (|substitute| |y| |x| (CDR |s|)))
(COND
((AND (EQ |h| (CAR |s|)) (EQ |t| (CDR |s|))) |s|)
(T (CONS |h| |t|))))
(T |s|)))))
(DEFUN |applySubst| (|sl| |t|)
(PROG (|p| |tl| |hd|)
(RETURN
(COND
((CONSP |t|) (SETQ |hd| (|applySubst| |sl| (CAR |t|)))
(SETQ |tl| (|applySubst| |sl| (CDR |t|)))
(COND
((AND (EQ |hd| (CAR |t|)) (EQ |tl| (CDR |t|))) |t|)
(T (CONS |hd| |tl|))))
((AND (SYMBOLP |t|) (SETQ |p| (|assocSymbol| |t| |sl|)))
(CDR |p|))
(T |t|)))))
(DEFUN |applySubst!| (|sl| |t|)
(PROG (|p| |tl| |hd|)
(RETURN
(COND
((CONSP |t|) (SETQ |hd| (|applySubst!| |sl| (CAR |t|)))
(SETQ |tl| (|applySubst!| |sl| (CDR |t|))) (RPLACA |t| |hd|)
(RPLACD |t| |tl|))
((AND (SYMBOLP |t|) (SETQ |p| (|assocSymbol| |t| |sl|)))
(CDR |p|))
(T |t|)))))
(DEFUN |applySubstNQ| (|sl| |t|)
(PROG (|p| |tl| |hd|)
(RETURN
(COND
((AND (CONSP |t|)
(PROGN (SETQ |hd| (CAR |t|)) (SETQ |tl| (CDR |t|)) T))
(COND
((EQ |hd| 'QUOTE) |t|)
(T (SETQ |hd| (|applySubstNQ| |sl| |hd|))
(SETQ |tl| (|applySubstNQ| |sl| |tl|))
(COND
((AND (EQ |hd| (CAR |t|)) (EQ |tl| (CDR |t|))) |t|)
(T (CONS |hd| |tl|))))))
((AND (SYMBOLP |t|) (SETQ |p| (|assocSymbol| |t| |sl|)))
(CDR |p|))
(T |t|)))))
(DEFUN |setDifference| (|x| |y|)
(PROG (|a| |l| |p|)
(RETURN
(COND
((NULL |x|) NIL)
((NULL |y|) |x|)
(T (SETQ |l| (SETQ |p| (LIST NIL)))
(LET ((|bfVar#1| |x|))
(LOOP
(COND
((ATOM |bfVar#1|) (RETURN NIL))
(T (AND (CONSP |bfVar#1|)
(PROGN (SETQ |a| (CAR |bfVar#1|)) T)
(NOT (|objectMember?| |a| |y|))
(PROGN
(RPLACD |p| (LIST |a|))
(SETQ |p| (CDR |p|))))))
(SETQ |bfVar#1| (CDR |bfVar#1|))))
(CDR |l|))))))
(DEFUN |removeSymbol| (|l| |x|)
(PROG (|y| |LETTMP#1| |l'| |before|)
(RETURN
(PROGN
(SETQ |before| NIL)
(SETQ |l'| |l|)
(LOOP
(COND
((NOT (CONSP |l'|)) (RETURN |l|))
(T (SETQ |LETTMP#1| |l'|) (SETQ |y| (CAR |LETTMP#1|))
(SETQ |l'| (CDR |LETTMP#1|))
(COND
((EQ |x| |y|)
(RETURN (|append!| (|reverse!| |before|) |l'|)))
(T (SETQ |before| (CONS |y| |before|)))))))))))
(DEFUN |removeScalar| (|l| |x|)
(PROG (|y| |LETTMP#1| |l'| |before|)
(RETURN
(PROGN
(SETQ |before| NIL)
(SETQ |l'| |l|)
(LOOP
(COND
((NOT (CONSP |l'|)) (RETURN |l|))
(T (SETQ |LETTMP#1| |l'|) (SETQ |y| (CAR |LETTMP#1|))
(SETQ |l'| (CDR |LETTMP#1|))
(COND
((EQL |x| |y|)
(RETURN (|append!| (|reverse!| |before|) |l'|)))
(T (SETQ |before| (CONS |y| |before|)))))))))))
(DEFUN |removeValue| (|l| |x|)
(PROG (|y| |LETTMP#1| |l'| |before|)
(RETURN
(PROGN
(SETQ |before| NIL)
(SETQ |l'| |l|)
(LOOP
(COND
((NOT (CONSP |l'|)) (RETURN |l|))
(T (SETQ |LETTMP#1| |l'|) (SETQ |y| (CAR |LETTMP#1|))
(SETQ |l'| (CDR |LETTMP#1|))
(COND
((EQUAL |x| |y|)
(RETURN (|append!| (|reverse!| |before|) |l'|)))
(T (SETQ |before| (CONS |y| |before|)))))))))))
(DEFUN |remove| (|l| |x|)
(COND
((SYMBOLP |x|) (|removeSymbol| |l| |x|))
((OR (CHARACTERP |x|) (INTEGERP |x|)) (|removeScalar| |l| |x|))
(T (|removeValue| |l| |x|))))
|
