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;; -*-theme-d-*-
;; Copyright (C) 2015, 2021, 2024, 2025 Tommi Höynälänmaa
;; Distributed under GNU Lesser General Public License version 3,
;; see file doc/LGPL-3.
(define-body (standard-library dynamic-list)
(import (standard-library list-utilities))
(add-method d-car (unchecked-prim-proc car (<object>) <object> pure))
(add-method d-cdr (unchecked-prim-proc cdr (<object>) <object> pure))
(add-method d-list (unchecked-prim-proc list ((rest <object>)) <object> pure))
(define-simple-method d-list-ref (((l <object>) (i <integer>))
<object> pure)
(if (< i 0)
(raise-simple 'd-list-ref:invalid-index)
(match-type l
((p <pair>)
(if (equal? i 0)
(car p)
(d-list-ref (cdr p) (- i 1))))
(else
(raise-simple 'd-list-ref:invalid-list)))))
(define-param-method d-map1 (%type)
(((proc (:procedure (<object>) %type pure))
(l <object>))
(:uniform-list %type)
pure (optimize-proc-arg proc))
(match-type l
((<null>) null)
((p <pair>)
(cons (proc (car p))
(d-map1 proc (cdr p))))
(else
(raise-simple 'd-map1:invalid-list))))
(define-param-method d-map-nonpure1 (%type)
(((proc (:procedure (<object>) %type nonpure))
(l <object>))
(:uniform-list %type)
nonpure (optimize-proc-arg proc))
(match-type l
((<null>) null)
((p <pair>)
(cons (proc (car p))
(d-map-nonpure1 proc (cdr p))))
(else
(raise-simple 'd-map-nonpure1:invalid-list))))
(define-param-method d-map2 (%type)
(((proc (:procedure (<object> <object>) %type pure))
(l1 <object>) (l2 <object>))
(:uniform-list %type)
pure (optimize-proc-arg proc))
(match-type l1
((<null>) null)
((p1 <pair>)
(match-type l2
((<null>) null)
((p2 <pair>)
(cons (proc (car p1) (car p2))
(d-map2 proc (cdr p1) (cdr p2))))
(else
(raise-simple 'd-map2:invalid-list))))
(else
(raise-simple 'd-map2:invalid-list))))
(define-param-method d-map-nonpure2 (%type)
(((proc (:procedure (<object> <object>) %type nonpure))
(l1 <object>) (l2 <object>))
(:uniform-list %type)
nonpure (optimize-proc-arg proc))
(match-type l1
((<null>) null)
((p1 <pair>)
(match-type l2
((<null>) null)
((p2 <pair>)
(cons (proc (car p1) (car p2))
(d-map-nonpure2 proc (cdr p1) (cdr p2))))
(else
(raise-simple 'd-map-nonpure2:invalid-list))))
(else
(raise-simple 'd-map-nonpure2:invalid-list))))
(define-simple-method d-for-each1
(((proc (:procedure (<object>) <none> nonpure))
(l <object>))
<none>
nonpure (optimize-proc-arg proc))
(match-type l
((<null>) null)
((p <pair>)
(begin
(proc (car p))
(d-for-each1 proc (cdr p))))
(else
(raise-simple 'd-for-each1:invalid-list))))
(define-simple-method d-exists1?
(((proc (:procedure (<object>) <boolean> pure))
(l <object>))
<boolean>
pure (optimize-proc-arg proc))
(match-type l
((<null>) #f)
((p <pair>)
(let ((hd (car p))
(tl (cdr p)))
(or (proc hd) (d-exists1? proc tl))))
(else
(raise-simple 'd-exists1?:invalid-list))))
(define-simple-method d-map-car (((l-lists <object>)) <list> pure)
(match-type l-lists
((<null>) null)
((p <pair>)
(cons (d-car (car p))
(d-map-car (cdr p))))
(else
(raise-simple 'd-map-car:invalid-list))))
(define-simple-method d-map-cdr (((l-lists <object>)) <list> pure)
(match-type l-lists
((<null>) null)
((p <pair>)
(cons (d-cdr (car p))
(d-map-cdr (cdr p))))
(else
(raise-simple 'd-map-cdr:invalid-list))))
(define-param-method d-map0 (%type)
(((proc (:procedure ((rest <object>)) %type pure))
(l-lists <object>))
(:uniform-list %type)
pure (optimize-proc-arg proc))
(if (d-exists1? null? l-lists)
null
(let ((l-cars (d-map-car l-lists))
(l-cdrs (d-map-cdr l-lists)))
(cons
(apply proc l-cars)
(d-map0 proc l-cdrs)))))
(define-param-method d-map (%type)
(((proc (:procedure ((rest <object>)) %type pure))
(l-lists (rest <object>)))
(:uniform-list %type)
pure (optimize-proc-arg proc))
(d-map0 proc l-lists))
(define-param-method d-map-nonpure0 (%type)
(((proc (:procedure ((rest <object>)) %type nonpure))
(l-lists <object>))
(:uniform-list %type)
nonpure (optimize-proc-arg proc))
(if (d-exists1? null? l-lists)
null
(let ((l-cars (d-map-car l-lists))
(l-cdrs (d-map-cdr l-lists)))
(cons
(apply-nonpure proc l-cars)
(d-map-nonpure0 proc l-cdrs)))))
(define-param-method d-map-nonpure (%type)
(((proc (:procedure ((rest <object>)) %type nonpure))
(l-lists (rest <object>)))
(:uniform-list %type)
nonpure (optimize-proc-arg proc))
(d-map-nonpure0 proc l-lists))
(define-simple-method d-for-each0
(((proc (:procedure ((rest <object>)) <none> nonpure))
(l-lists <object>))
<none>
nonpure (optimize-proc-arg proc))
(if (not (d-exists1? null? l-lists))
(let ((l-cars (d-map-car l-lists))
(l-cdrs (d-map-cdr l-lists)))
(begin
(apply-nonpure proc l-cars)
(d-for-each0 proc l-cdrs)))))
(define-simple-method d-for-each
(((proc (:procedure ((rest <object>)) <none> nonpure))
(l-lists (rest <object>)))
<none>
nonpure (optimize-proc-arg proc))
(d-for-each0 proc l-lists))
(define-simple-method d-for-each2
(((proc (:procedure (<object> <object>) <none> nonpure))
(l1 <object>) (l2 <object>))
<none> nonpure (optimize-proc-arg proc))
(match-type l1
((<null>) null)
((l1a <pair>)
(match-type l2
((<null>) null)
((l2a <pair>)
(begin
(proc (car l1a) (car l2a))
(d-for-each2 proc (cdr l1a) (cdr l2a))))
(else (raise-simple 'd-for-each2:invalid-list))))
(else (raise-simple 'd-for-each2:invalid-list))))
(define-simple-method d-for-all1?
(((pred (:procedure (<object>) <boolean> pure))
(l <object>))
<boolean>
pure (optimize-proc-arg pred))
(match-type l
((<null>) #t)
((p <pair>)
(and (pred (car p))
(d-for-all1? pred (cdr p))))
(else
(raise-simple 'd-for-all1?:invalid-list))))
(define-simple-method d-for-all-nonpure1?
(((pred (:procedure (<object>) <boolean> nonpure))
(l <object>))
<boolean>
nonpure (optimize-proc-arg pred))
(match-type l
((<null>) #t)
((p <pair>)
(and (pred (car p))
(d-for-all-nonpure1? pred (cdr p))))
(else
(raise-simple 'd-for-all1?:invalid-list))))
(define-simple-method d-for-all2?
(((pred (:procedure (<object> <object>) <boolean> pure))
(l1 <object>) (l2 <object>))
<boolean>
pure (optimize-proc-arg pred))
(match-type l1
((<null>) #t)
((p1 <pair>)
(match-type l2
((<null>) #t)
((p2 <pair>)
(and (pred (car p1) (car p2))
(d-for-all2? pred (cdr p1) (cdr p2))))
(else
(raise-simple 'd-for-all2?:invalid-list))))
(else
(raise-simple 'd-for-all2?:invalid-list))))
(define-simple-method d-for-all-nonpure2?
(((pred (:procedure (<object> <object>) <boolean> nonpure))
(l1 <object>) (l2 <object>))
<boolean>
nonpure (optimize-proc-arg pred))
(match-type l1
((<null>) #t)
((p1 <pair>)
(match-type l2
((<null>) #t)
((p2 <pair>)
(and (pred (car p1) (car p2))
(d-for-all-nonpure2? pred (cdr p1) (cdr p2))))
(else
(raise-simple 'd-for-all-nonpure2?:invalid-list))))
(else
(raise-simple 'd-for-all-nonpure2?:invalid-list))))
(define-simple-method d-for-all0?
(((pred (:procedure ((rest <object>)) <boolean> pure))
(l-lists <object>))
<boolean>
pure (optimize-proc-arg pred))
(if (d-exists1? null? l-lists)
#t
(let ((l-cars (d-map-car l-lists))
(l-cdrs (d-map-cdr l-lists)))
(and
(apply pred l-cars)
(d-for-all0? pred l-cdrs)))))
(define-simple-method d-for-all?
(((pred (:procedure ((rest <object>)) <boolean> pure))
(l-lists (rest <object>)))
<boolean>
pure (optimize-proc-arg pred))
(d-for-all0? pred l-lists))
(define-simple-method d-for-all-nonpure0?
(((pred (:procedure ((rest <object>)) <boolean> nonpure))
(l-lists <object>))
<boolean>
nonpure (optimize-proc-arg pred))
(if (d-exists1? null? l-lists)
#t
(let ((l-cars (d-map-car l-lists))
(l-cdrs (d-map-cdr l-lists)))
(and
(apply-nonpure pred l-cars)
(d-for-all-nonpure0? pred l-cdrs)))))
(define-simple-method d-for-all-nonpure?
(((pred (:procedure ((rest <object>)) <boolean> nonpure))
(l-lists (rest <object>)))
<boolean>
nonpure (optimize-proc-arg pred))
(d-for-all-nonpure0? pred l-lists))
(define-simple-method d-exists-nonpure1?
(((proc (:procedure (<object>) <boolean> nonpure))
(l <object>))
<boolean>
nonpure (optimize-proc-arg proc))
(match-type l
((<null>) #f)
((p <pair>)
(let ((hd (car p))
(tl (cdr p)))
(or (proc hd) (d-exists-nonpure1? proc tl))))
(else
(raise-simple 'd-exists-nonpure1?:invalid-list))))
(define-simple-method d-exists2?
(((pred (:procedure (<object> <object>) <boolean> pure))
(l1 <object>) (l2 <object>))
<boolean>
pure (optimize-proc-arg pred))
(match-type l1
((<null>) #f)
((p1 <pair>)
(match-type l2
((<null>) #f)
((p2 <pair>)
(or (pred (car p1) (car p2))
(d-exists2? pred (cdr p1) (cdr p2))))
(else
(raise-simple 'd-exists2?:invalid-list))))
(else
(raise-simple 'd-exists2?:invalid-list))))
(define-simple-method d-exists-nonpure2?
(((pred (:procedure (<object> <object>) <boolean> nonpure))
(l1 <object>) (l2 <object>))
<boolean>
nonpure (optimize-proc-arg pred))
(match-type l1
((<null>) #f)
((p1 <pair>)
(match-type l2
((<null>) #f)
((p2 <pair>)
(or (pred (car p1) (car p2))
(d-exists-nonpure2? pred (cdr p1) (cdr p2))))
(else
(raise-simple 'd-exists-nonpure2?:invalid-list))))
(else
(raise-simple 'd-exists-nonpure2?:invalid-list))))
(define-simple-method d-exists0?
(((pred (:procedure ((rest <object>)) <boolean> pure))
(l-lists <object>))
<boolean>
pure (optimize-proc-arg pred))
(if (d-exists1? null? l-lists)
#f
(let ((l-cars (d-map-car l-lists))
(l-cdrs (d-map-cdr l-lists)))
(or
(apply pred l-cars)
(d-exists0? pred l-cdrs)))))
(define-simple-method d-exists?
(((pred (:procedure ((rest <object>)) <boolean> pure))
(l-lists (rest <object>)))
<boolean>
pure (optimize-proc-arg pred))
(d-exists0? pred l-lists))
(define-simple-method d-exists-nonpure0?
(((pred (:procedure ((rest <object>)) <boolean> nonpure))
(l-lists <object>))
<boolean>
nonpure (optimize-proc-arg pred))
(if (d-exists1? null? l-lists)
#f
(let ((l-cars (d-map-car l-lists))
(l-cdrs (d-map-cdr l-lists)))
(or
(apply-nonpure pred l-cars)
(d-exists-nonpure0? pred l-cdrs)))))
(define-simple-method d-exists-nonpure?
(((pred (:procedure ((rest <object>)) <boolean> nonpure))
(l-lists (rest <object>)))
<boolean>
nonpure (optimize-proc-arg pred))
(d-exists-nonpure0? pred l-lists))
(define-simple-method d-append2 (((l1 <object>) (l2 <object>)) <object>
pure)
(if (null? l1)
l2
(cons (d-car l1) (d-append2 (d-cdr l1) l2))))
(define-simple-method d-append0 (((l-lists <object>)) <object> pure)
(let ((i-len (d-length l-lists)))
(cond
((= i-len 0) null)
((= i-len 1) (d-car l-lists))
(else (d-append2 (d-car l-lists) (d-append0 (d-cdr l-lists)))))))
(define-simple-method d-append (((l-lists (rest <object>))) <object> pure)
(d-append0 l-lists))
(define-simple-method d-length (((l <object>)) <integer> pure)
(match-type l
((<null>) 0)
((p <pair>)
(+ 1 (d-length (cdr p))))
(else (raise-simple 'd-length:invalid-list))))
(define-simple-method d-take (((l <object>) (i-count <integer>)) <list>
pure)
(cond
((< i-count 0)
(raise-simple 'd-take:invalid-count))
((= i-count 0) null)
(else
(cons (d-car l) (d-take (d-cdr l) (- i-count 1))))))
(define-simple-method d-take-right0
(((l <object>) (i-count <integer>) (i-len <integer>))
<object> pure)
(cond
((< i-count 0)
(raise-simple 'd-take-right0:invalid-count))
((< i-len 0)
(raise-simple 'd-take-right0:invalid-length))
((< i-len i-count)
(raise-simple 'd-take-right0:index-out-of-range))
((= i-count i-len) l)
(else
(d-take-right0 (d-cdr l) i-count (- i-len 1)))))
(define-simple-method d-take-right
(((l <object>) (i-count <integer>)) <object> pure)
(d-take-right0 l i-count (d-length l)))
(define-simple-method d-drop (((l <object>) (i-count <integer>)) <object>
pure)
(cond
((< i-count 0)
(raise-simple 'd-drop:invalid-count))
((= i-count 0) l)
(else
(d-drop (d-cdr l) (- i-count 1)))))
(define-simple-method d-drop-right0
(((l <object>) (i-count <integer>) (i-len <integer>))
<list> pure)
(cond
((< i-count 0)
(raise-simple 'd-drop-right0:invalid-count))
((< i-len 0)
(raise-simple 'd-drop-right0:invalid-length))
((< i-len i-count)
(raise-simple 'd-drop-right0:index-out-of-range))
((= i-count i-len) null)
(else
(cons (d-car l)
(d-drop-right0 (d-cdr l) i-count (- i-len 1))))))
(define-simple-method d-drop-right
(((l <object>) (i-count <integer>)) <list> pure)
(d-drop-right0 l i-count (d-length l)))
(define-simple-method list0? (((x <object>) (l-visited <list>)) <boolean>
pure)
;; return #f for cyclic arguments.
(cond
((null? x) #t)
((member-objects? x l-visited) #f)
(else
(match-type x
((p <pair>) (list0? (cdr p) (cons x l-visited)))
(else #f)))))
(define-simple-method list? (((x <object>)) <boolean> pure)
(list0? x null))
(define-param-method d-fold1 (%result)
(((proc (:procedure (<object> %result) %result pure))
(x-init %result)
(l <object>))
%result pure)
(if (null? l)
x-init
(d-fold1 proc (proc (d-car l) x-init) (d-cdr l))))
(define-simple-method d-reverse (((l <object>)) <object> pure)
(d-fold1 cons (static-cast <object> null) l))
(define-param-method d-fold-right1 (%result)
(((proc (:procedure (<object> %result) %result pure))
(x-init %result)
(l <object>))
%result pure)
(if (null? l)
x-init
(proc (d-car l)
(d-fold-right1 proc x-init (d-cdr l)))))
(add-method d-caar
(unchecked-prim-proc caar (<object>) <object> pure))
(add-method d-cadr
(unchecked-prim-proc cadr (<object>) <object> pure))
(add-method d-cdar
(unchecked-prim-proc cdar (<object>) <object> pure))
(add-method d-cddr
(unchecked-prim-proc cddr (<object>) <object> pure))
(add-method d-caddr
(unchecked-prim-proc caddr (<object>) <object> pure))
(add-method d-cdddr
(unchecked-prim-proc cdddr (<object>) <object> pure))
(add-method d-cadddr
(unchecked-prim-proc cadddr (<object>) <object> pure)))
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