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ludic.ui, ludic.i18n: frame_keeps and birth_leaks to 0 - :nth-child's a and b read once per argument, a border-image's miss its own function; typing, the dev dump, parsing, the pointer ring's making, Ln's counted line and the plural header declared

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-28 16:46:00 +03:00
parent 23d204b9fc
commit f8825dc55a
16 changed files with 67 additions and 23 deletions
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50
packages/ludic.ui/select_nth.ludic
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@ -1,21 +1,43 @@
# select_nth.ludic - :nth-child's formulas
# :nth-child(odd), (even), (3), (2n+1), (n+2), (-n+3): is the k-th child one of them
function sel_nth(arg: string, k: int) -> bool {
# :nth-child(odd), (even), (3), (2n+1), (n+2), (-n+3): is the k-th child one of them. The a and b of
# an + b are read once per argument (matched per element per frame, a read made text every time)
const MM_NTH: int = -16 # n1 a, n2 b
function sel_nth(ui_st: mut UiState, arg: string, k: int) -> bool {
if arg == "odd" { return k % 2 == 1 }
if arg == "even" { return k % 2 == 0 }
var npos = -1
for i in 0 .. len(arg) {
if arg[i] == 110 { npos = i }
}
if npos < 0 { return string(k) == arg }
var a = 1
let head: string = arg[0..npos]
if head == "-" { a = -1 } else if len(head) > 0 { a = int(el_num(head)) }
var b = 0
var tail = tpl_words(arg[npos + 1..len(arg)])
if len(tail) > 0 and tail[0] == 43 { tail = tpl_words(tail[1..len(tail)]) }
if len(tail) > 0 { b = int(el_num(tail)) }
let m = mm_of(ui_st)
let i = mm_find(m, MM_NTH, arg)
if i >= 0 {
ui_st.nth_a = int(m.n1[i])
ui_st.nth_b = int(m.n2[i])
} else { sel_nth_read(ui_st, m, arg) }
let a = ui_st.nth_a
let b = ui_st.nth_b
if a == 0 { return k == b }
let d = k - b
return d % a == 0 and d / a >= 0
}
@alloc_ok("a memo miss: once per :nth-child argument, bounded by MM_CAP")
function sel_nth_read(ui_st: mut UiState, m: UiMemo, arg: string) -> void {
var npos = -1
for i in 0 .. len(arg) {
if arg[i] == 110 { npos = i }
}
var a = 0
var b = 0
if npos < 0 { b = int(el_num(arg)) } else {
a = 1
let head: string = arg[0..npos]
if head == "-" { a = -1 } else if len(head) > 0 { a = int(el_num(head)) }
var tail = tpl_words(arg[npos + 1..len(arg)])
if len(tail) > 0 and tail[0] == 43 { tail = tpl_words(tail[1..len(tail)]) }
if len(tail) > 0 { b = int(el_num(tail)) }
}
ui_st.nth_a = a
ui_st.nth_b = b
let j = mm_add(m, MM_NTH, arg)
if j >= 0 {
m.n1[j] = float(a)
m.n2[j] = float(b)
}
}