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Make Sex templates more pleasant syntactically

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No more unquotes to instantiate templates.
Also no need to pass quoted substitution lists, just use them as
regular lisp macros.
This commit is contained in:
alex-eg
2025-07-11 18:27:50 +03:00
parent 162d4f5322
commit 37a252f2b1
5 changed files with 118 additions and 72 deletions
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30
example/list.seh
View File

@@ -1,34 +1,34 @@
(template (list-T (T))
(struct list-T
((T value)
((* list-T) next))))
(template (list-T ?T)
(struct list-?T
((?T value)
((* list-?T) next))))
(template (make-list-T (T) is-public?)
(,@(if is-public? '(pub) '()) fn (* list-T) make-list-T ()
(var (* list-T) list (cast (* list-T) (malloc (sizeof list-T))))
(template (make-list-T ?T is-public?)
(,@(if 'is-public? '(pub) '()) fn (* list-?T) make-list-?T ()
(var (* list-?T) list (cast (* list-?T) (malloc (sizeof list-?T))))
(= (-> list next) NULL)
list))
(template (add-value-list-T (T) is-public?)
(,@(if is-public? '(pub) '()) fn void add-value-list-T ((list-T *list) (T value))
(template (add-value-list-?T ?T is-public?)
(,@(if 'is-public? '(pub) '()) fn void add-value-list-?T ((list-?T *list) (T value))
(while (!= (-> list next) NULL)
(= list (-> list next)))
(= (-> list next) (make-list-T))
(= (-> list next) (make-list-?T))
(= (-> list value) value)))
(template (length-list-T (T) is-public?)
(,@(if is-public? '(pub) '()) fn size-t length-list-T ((list-T *list))
(template (length-list-?T ?T is-public?)
(,@(if 'is-public? '(pub) '()) fn size-t length-list-?T ((list-?T *list))
(var size-t n 0)
(while (!= (-> list next) NULL)
(= list (-> list next))
(++ n))
n))
(template (is-empty-list-T (T) is-public?)
(,@(if is-public? '(pub) '()) fn bool is-empty-list-T ((list-T *list))
(template (is-empty-list-?T ?T is-public?)
(,@(if 'is-public? '(pub) '()) fn bool is-empty-list-?T ((list-?T *list))
(== (-> list next) NULL)))
(template (list-for-each (what-do list-var elt-var))
(template (list-for-each list-var elt-var what-do)
(var int elt-var (-> list-var value))
(while (!= (-> list-var next) NULL)
what-do

32
example/test-list.sex
View File

@@ -18,11 +18,11 @@
(var foo f #((= .a-field 1.2)))
,(list-T '(int))
,(make-list-T '(int) #f)
,(add-value-list-T '(int) #f)
,(length-list-T '(int) #f)
,(is-empty-list-T '(int) #f)
(list-T int)
(make-list-T int)
(add-value-list-T int)
(length-list-T int)
(is-empty-list-T int)
(extern fn void puk ((int a) (float b)))
(fn int bar () ,(imports-test 10 20 30))
@@ -38,7 +38,8 @@
(add-value-list-int l 3)
(add-value-list-int l 4)
(printf "Size of the list: %zu\n" (length-list-int l))
,(list-for-each '((printf "%d " v) l v))
(list-for-each l v
(printf "%d " v))
(printf "\n")
(printf "%zu\n" l->next)
0)
@@ -47,3 +48,22 @@
(pub fn void clear-command-buffer ((segs-renderer *r)))
(pub fn void add-render-command ((segs-renderer *r) ((fn void ()) command)))
(pub fn void commit-command-buffer ((segs-renderer *r)))
(template (list-T ?T)
(struct list-?T
((?T value)
((* list-?T) next))))
(template (list-for-each type list-var elt-var body)
(var type elt-var (-> list-var value))
(while (!= (-> list-var next) NULL)
body
(= list-var (-> list-var next))
(= elt-var (-> list-var value))))
; ... somewhere later
(list-T int)
(pub fn void print-list (((const list-int) *l))
(list-for-each int l v (printf "%d " v))
(printf "\n"))