A prebuilt tool, bin/ludic-ui-preview (built by ludic-dev build, shipped beside ludic-lsp, run as `ludic ui-preview [--font DIR]`): ludic.ui with a backend that records every draw call as a line, and mock component classes the studio describes (load / model / calls). frame t runs ui_show at interface time t; text is measured on the CPU with the game's font.json metrics; locale goes through ludic.i18n; tree / box / rules inspect the frame. No game code, no GPU, no network. The wire protocol is frozen as tools/ui-preview/protocol-v1.md; smoke.txt is a transcript to run. ludic.ui gains, all additive: UiClass.make_of, UiBackend.said / emitted, UiRule.text / at (with comment line breaks kept so rule lines count true, and a class's styles read under its .lss path), and ui_root, ui_find, ui_rules_of, ui_rule_value, ui_building, ui_class, ui_class_load, ui_file_forget, ui_errors_clear; ui_nine_cuts_into exported. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
72 lines
2.2 KiB
Text
72 lines
2.2 KiB
Text
# inspect.ludic - `tree`, `box <id>` and `rules <id>`: the last frame's elements, one's box and
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# computed style, and the rules that style it with where each was written
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function pv_tree(pv: mut PvState, ui_st: UiState) -> string {
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let root = ui_root(ui_st, pv.root)
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if root == null { return "tree: no frame shown yet" }
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pv_node(pv.out, root, 0)
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return ""
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}
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function pv_node(o: PvOut, n: UiNode, depth: int) -> void {
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pv_s(o, "node")
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pv_int(o, depth)
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pv_int(o, n.kind)
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pv_q(o, n.key)
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pv_q(o, n.tag)
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pv_q(o, n.id)
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pv_byte(o, 32)
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pv_byte(o, 34)
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if n.classes != null {
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for i in 0 .. len(n.classes) {
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if i > 0 { pv_byte(o, 32) }
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pv_s(o, n.classes[i])
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}
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}
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pv_byte(o, 34)
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pv_box(o, n.x, n.y, n.cw, n.ch)
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pv_q(o, n.text)
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pv_nl(o)
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if n.children == null { return }
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for i in 0 .. len(n.children) { pv_node(o, n.children[i], depth + 1) }
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}
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# the element whose id (or key) that is, on the root's last frame
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function pv_find(pv: PvState, ui_st: UiState, id: string) -> UiNode { return ui_find(ui_st, id) }
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function pv_box_cmd(pv: mut PvState, ui_st: UiState, id: string) -> string {
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let n = pv_find(pv, ui_st, id)
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if n == null { return `box {id}: no element has that id or key` }
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let o = pv.out
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pv_s(o, "box")
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pv_q(o, n.key)
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pv_box(o, n.x, n.y, n.cw, n.ch)
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pv_nl(o)
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pv_style(o, n)
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return ""
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}
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function pv_rules_cmd(pv: mut PvState, ui_st: mut UiState, id: string) -> string {
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let n = ui_find(ui_st, id)
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if n == null { return `rules {id}: no element has that id or key` }
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ui_rules_of(ui_st, n, pv.rules)
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for i in 0 .. len(pv.rules) { pv_rule(pv.out, pv.rules[i], "rule") }
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if n.style != null { pv_rule(pv.out, n.style, "inline") }
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return ""
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}
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@alloc_ok("an inspector's question: a rule's file cut from its place")
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function pv_rule(o: PvOut, r: UiRule, word: string) -> void {
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pv_s(o, word)
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let colon = pv_last_colon(r.at)
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if colon > 0 and pv_digits_only(r.at, colon + 1) {
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pv_q(o, r.at[0..colon])
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pv_int(o, pv_int_of(r.at[colon + 1..len(r.at)]))
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} else {
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pv_q(o, r.at)
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pv_int(o, 0)
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}
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pv_int(o, r.spec)
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pv_q(o, r.text)
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pv_nl(o)
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for k in 0 .. len(r.keys) {
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pv_s(o, "decl")
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pv_q(o, r.keys[k])
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pv_q(o, ui_rule_value(r, k))
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pv_nl(o)
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}
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}
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