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ludic.ui: a screen's nodes and envs are pooled and used again - two generations a screen, reset in place, their own lists emptied not replaced; a tree is good until its screen is built twice more (benchmark 256 -> 110 KB a frame)

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-27 23:33:48 +03:00
parent 83200a453b
commit d1c9359e96
19 changed files with 307 additions and 83 deletions
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14
packages/ludic.ui/elem.ludic
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@ -4,17 +4,12 @@ const EL_BOXES: string = " col div progress meter section header footer nav main
const EL_TEXTS: string = " text span p label h1 h2 h3 h4 h5 h6 strong em small b i a option "
function bd_elem(ui_st: mut UiState, k: UiTpl, e: UiEnv, key: string) -> UiNode {
ui_st.ui_at = k.where
let n = new UiNode
let n = nd_take(ui_st)
n.key = key
n.tag = k.tag
n.env = e
n.sheet = k.sheet
n.style = k.style
n.children = new []UiNode
n.classes = new []string
n.akeys = new []string
n.avals = new []string
n.vals = new []Val
el_kind(ui_st, n, k.tag)
for i in 0 .. len(k.keys) { el_keep(n, k.keys[i], ui_eval(ui_st, k.vals[i], e)) }
n.hovered = fr_was_hovered(ui_st, key)
@ -28,7 +23,7 @@ function bd_elem(ui_st: mut UiState, k: UiTpl, e: UiEnv, key: string) -> UiNode
let say = ui_attr_text(n, "translate")
if say == "no" { ui_st.tr_no = true } else if say == "yes" { ui_st.tr_no = false }
bd_kids(ui_st, k.kids, e, key, n.children)
if k.text != null { el_text(n, ui_tr(ui_st, ui_eval_text(ui_st, k.text, e))) }
if k.text != null { el_text(ui_st, n, ui_tr(ui_st, ui_eval_text(ui_st, k.text, e))) }
el_inline(n)
if k.tag == "input" or k.tag == "select" or k.tag == "progress" or k.tag == "meter" { ct_build(ui_st, n) }
ui_st.tr_no = was_no
@ -45,16 +40,15 @@ function el_kind(ui_st: mut UiState, n: UiNode, tag: string) -> void {
} else if tag == "input" or tag == "select" { n.focusable = true } else if tag == "spacer" { n.kind = UI_SPACER } else if tag == "scroll" { n.kind = UI_SCROLL } else if tag == "img" { n.kind = UI_IMAGE } else if tag == "hr" { n.kind = UI_RULE } else if not lk_in(EL_BOXES, tag) { ui_err(ui_st, `<{tag}>: there is no such element`) }
}
# a box with words in it holds them as a text of its own, as <div>words</div> does
function el_text(n: UiNode, s: string) -> void {
function el_text(ui_st: mut UiState, n: UiNode, s: string) -> void {
if n.kind != UI_BOX and n.kind != UI_SCROLL {
n.text = s
return
}
let t = new UiNode
let t = nd_take(ui_st)
t.kind = UI_TEXT
t.text = s
t.env = n.env
t.children = new []UiNode
push(n.children, t)
}
# id, class, hidden, disabled and src say what the element is; the rest are applied after the rules