ludic/tools/docgen
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feat(stdlib): Time/Date/Duration calendar-clock core (issue #9)
Implement the calendar/clock half of #9 as plain-i32 integer epochs — no
new type, no floating point (the issue's "integer epochs to avoid drift") —
so every operation is deterministic and bit-identical on every platform:

  Duration — a span in whole seconds; seconds/minutes/hours/days build one,
             as_seconds/as_minutes/as_hours/as_days read it back. Because a
             duration is just an int, `+` and `>` work with no extra machinery
             (Duration.minutes(5) + Duration.seconds(30), away > Duration.hours(3)).
  Date     — a civil day as days-since-1970 (UTC): new/year/month/day/weekday/
             is_leap/days_in_month/to_epoch/add_days/diff_days.
  DateTime — an instant as seconds-since-1970 (UTC, matching Time.now):
             from/date/add/year/month/day/weekday/hour/minute/second.
  Time.since(past) = now - past, for offline-progress / "time away" checks.

New selfhost/emit_datetime.ludic (is_/emit_ for the three namespaces, wired
into emit_ns_call + the frag list). The two civil<->epoch conversions are
Howard Hinnant's public-domain proleptic-Gregorian algorithms, emitted once
per program as the @fn_days_from_civil / @fn_civil_from_days prelude and gated
by g_uses_datert; days_in_month is next-month-day-0 (no lookup table). Time
gains `since`. Docs (Duration/Date/DateTime sections, 28 method pages +
time-since), inventory, and LSP hover kept in sync; a registered test checks
component math against hand-computed values. Reseeded; C-free fixpoint holds;
all suites green (26 self-host / 45 regression / 29 tools); check.py,
check-impl.py and validate.py OK.

format/parse, a game-controlled simulated clock, and timezones are tracked
follow-ups; v1 is UTC-only and, on the i32 epoch, valid through 2038.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-08-30 03:37:38 +03:00
..
assets docs(site): vertical pipeline on mobile, click tooltips, consistent chrome 2026-08-29 18:42:40 +03:00
check-impl.py refactor(lang): rename the fn keyword to function 2026-08-30 01:43:22 +03:00
check.py docs(api): per-symbol pages, fuzzy search, deep token linking, hover cards 2026-08-29 17:53:22 +03:00
gen.py feat(stdlib): namespaced standard library (issue #2) 2026-08-30 00:26:19 +03:00
inventory.json feat(stdlib): Time/Date/Duration calendar-clock core (issue #9) 2026-08-30 03:37:38 +03:00
palette.py refactor(lang): rename the fn keyword to function 2026-08-30 01:43:22 +03:00
README.md docs(api): per-symbol pages, fuzzy search, deep token linking, hover cards 2026-08-29 17:53:22 +03:00
validate.py refactor(lang): rename the fn keyword to function 2026-08-30 01:43:22 +03:00

Ludic documentation generator

Generates the public documentation site (the pages branch) from a single source of truth, so the site can never drift from the language.

Source of truth

docs/
  language/<category>/<id>.md    one file per symbol — keyword, type, phase,
                                 builtin, namespace method, operator, annotation
  language/<category>/_section.md   section title + blurb + order
  language/colors/palette.json   the 221 named colors (generated by palette.py)
  site/site.json                 landing-page messaging (hero, features, …)
  site/snippets/*.ludic          the code shown on the landing page (real programs)
tools/docgen/inventory.json      the authoritative symbol set the coverage guard checks

A symbol file

---
id: screen-fill_rectangle     # anchor + page name (screen-fill_rectangle.html)
name: Screen.fill_rectangle
category: screen
kind: namespace-method        # keyword|type|phase|namespace-method|builtin|annotation|operator
tokens: Screen.fill_rectangle # literal token(s) the highlighter matches & links
sig: Screen.fill_rectangle(x, y, width, height, color)
tip: Draw a solid, filled rectangle.     # one sentence — the hover-card summary
order: 1
ns: Screen                    # namespace-method only
member: fill_rectangle        # namespace-method only
related: screen-clear screen-draw_rectangle
---

Rich description — inline `<code>`/`backticks`, "model instance" language.

Parameters:                   # for anything that takes arguments
- `x` — the left edge, in pixels
- `color` — the fill color, e.g. a `Color.*` name

​```ludic
program Example { … descriptive-named, compilable … }
​```

What it produces

One page per symbol (<id>.html), a namespace overview page per namespace (ns-screen.html … ns-color.html), a searchable index (api.html, fuzzy search over every symbol), the landing page (index.html), the ludic-highlight.js highlighter (all its symbol tables, tips, per-item link targets, per-parameter anchors and hover-card data generated from the sources above), symbols.json, and .nojekyll.

In any code sample: keywords/types/builtins/annotations link to their page; Screen.fill_rectangle links Screen → the namespace page and fill_rectangle → the method page separately; a named argument like width: links to that parameter's anchor; Color.Charcoal links Color and Charcoal separately; hovering any token shows a summary card from the real API data.

Build & check

python3 tools/docgen/gen.py --out build/pages    # generate the whole site
python3 tools/docgen/check.py build/pages         # coverage + duplicate-token + link guard
python3 tools/docgen/validate.py                  # compile every ```ludic example with bin/ludicc

check.py fails CI if any symbol in inventory.json lacks a page, if a token is documented on two pages, or if a highlighter link points at a missing page — so "every symbol is documented, autogenerated each time" is enforced. validate.py needs a built bin/ludicc; the deploy CI is Python-only, so run it locally or in a toolchain-enabled job.

No third-party dependencies — Python standard library only.

Publish

.forgejo/workflows/docs.yml runs gen.py + check.py on every push to main that touches docs/** or tools/docgen/**, and publishes the result to the pages branch root. index.html + .nojekyll always stay at the root.

Colors

palette.json is generated by tools/docgen/palette.py from a single PALETTE table, which also generates selfhost/emit_color.ludic. Regenerate colors there.