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Phase 3b+3c: ui props use ':'; drop dead needs/uses synonyms (Rule A)

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3b: widget props go from key=value to key: value (parse_widget). emit_ui and
ludic-fmt unchanged (AST-identical; ':' formats correctly by default). Chose the
colonized form over parenthesized named-args — minimal churn, no new grammar.
Migration: tools/ludic-tools/migrate_ui.c. menu golden byte-identical.

3c: removed the undocumented, unused 'needs'/'uses' clause synonyms from
parse_system; reads/writes stay.

Reseeded, fixpoint holds, test.sh 14/14, check-docs + check-vocabulary green.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Orkun ÇAKILKAYA 2026-08-27 16:03:35 +03:00
parent 39bd430ce8
commit b643037d8f
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24
SYNTAX-REDESIGN.md
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@ -250,14 +250,26 @@ Records live only in games, so the seed was unaffected; verified every golden
byte-identical, old `=` form now rejected, reseeded, `test.sh` 14/14. Doc examples
updated (LANGUAGE.md, BOOTSTRAP.md R2).
**3b — ui props → named-argument form.** `panel id=Root w=288` → `panel(id: Root,
w: 288)`. Not started (touches `parse_widget` + `emit_ui`).
**3b — ui props → `key: value` ✅ DONE.** `panel id=Root w=288` → `panel id: Root
w: 288`. `parse_widget` now reads props with `:` ([parse_game.ludic](selfhost/parse_game.ludic)).
Chose the **colonized** form over parenthesized named-args: it satisfies Rule A
(the `=` overload is gone) with minimal churn, needs no new grammar, and `emit_ui`
(which reads the AST) and `ludic-fmt` (which formats `:` correctly by default)
were both untouched. Migration: [migrate_ui.c](tools/ludic-tools/migrate_ui.c).
menu golden byte-identical, old `=` form rejected, reseeded, `test.sh` 14/14.
(The parenthesized form `panel(id: Root, w: 288)` remains a possible future
refinement if the language ever gains named call arguments.)
**3c — collapse `reads/writes/needs/uses` → `reads`/`writes`, stored on the node.**
Not started.
**3c — dropped the dead `needs`/`uses` clause synonyms ✅ DONE.** `reads`/`writes`
stay (documented; still parsed-and-reserved). `needs`/`uses` were undocumented and
unused anywhere in the corpus — removed from `parse_system`. *Not done:* actually
*storing* reads/writes on the node for an analysis pass — that's analysis
infrastructure, out of scope for a syntax pass.
**3d — modifiers `edge`/`pure`/`export` → `@`-annotations, parsed into a list.**
Not started.
**3d — modifiers `edge`/`pure`/`export` → `@`-annotations.** Not started. Low
urgency: `edge`/`pure` are unused in the corpus and `export` appears once
([examples/lib/combat.ludic](examples/lib/combat.ludic)); it needs `parse_one_decl`
to accept leading `@annotations` on any declaration.
Each sub-phase follows the proven pattern: parser change → verification-gated
migration (IR byte-identical / goldens identical) → reseed → docs. The migration