Files
sex/tests/sex-programs/list-macros.sex
alex-eg d609a0c591 begin -> do
Shorter and doesn't imply existence of `end'
2026-09-15 16:32:55 +03:00

49 lines
1.8 KiB
Scheme

(pub defmacro (list-T type)
(let ((list-type (cat 'list- type)))
`(struct ,list-type
((value ,type)
(next (* struct ,list-type))))))
(pub defmacro (make-list-T type is-public?)
(let ((list-type (list 'struct (cat 'list- type)))
(fn-name (cat 'make-list- type)))
`(,@(if is-public? '(pub) '()) fn ,fn-name () (* ,list-type)
(var list (* ,list-type) (cast (malloc (sizeof ,list-type)) (* ,list-type)))
(= (-> list next) NULL)
(return list))))
(pub defmacro (add-value-list-T type is-public?)
(let ((list-type (list 'struct (cat 'list- type)))
(fn-name (cat 'add-value-list- type)))
`(,@(if is-public? '(pub) '()) fn ,fn-name ((list * ,list-type) (value ,type)) void
(while (!= (-> list next) NULL)
(= list (-> list next)))
(= (-> list next) (,(cat 'make-list- type)))
(= (-> list value) value))))
(pub defmacro (length-list-T type is-public?)
(let ((fn-name (cat 'length-list- type))
(list-type (list 'struct (cat 'list- type))))
`(,@(if is-public? '(pub) '()) fn ,fn-name ((list ,(cons '* list-type))) size-t
(var n size-t 0)
(while (!= (-> list next) NULL)
(= list (-> list next))
(++ n))
(return n))))
(pub defmacro (is-empty-list-T type is-public?)
`(,@(if is-public? '(pub) '()) fn ,(cat 'is-empty-list- type)
((list ,(list '* 'struct (cat 'list- type))))
bool
(return (== (-> list next) NULL))))
(pub defmacro (list-for-each list-type list-var elt-type elt-var what-do)
(let ((list-var-2 (cat list-var '-2)))
`(do
(var ,list-var-2 (* ,list-type) ,list-var)
(var ,elt-var ,elt-type (-> ,list-var-2 value))
(while (!= (-> ,list-var-2 next) NULL)
,what-do
(= ,list-var-2 (-> ,list-var-2 next))
(= ,elt-var (-> ,list-var-2 value))))))