writeonce/docs/plan/oop-vm
shoney.arickathil 8863aee459 feat: call/reply — send that waits (id 88, envelope kinds 5/6, WO-E226)
- runtime: mailbox slots grow caller metadata (wo_msg), call parks on
  WO_PARK_INBOX (the DB-RPC protocol) and the resume consumes a SCALAR
  reply; FIBER_DONE ships the receive's return value home (same-shard
  unpark or kind-6 envelope); kind-5 carries cross-shard calls
- actor death is real now: a receive trapping uncaught marks the actor
  dead, error-unparks the in-flight caller AND every queued caller,
  drops queued payloads + state, releases cap slots; send-to-dead
  drops silently, call-to-dead traps — a call never hangs. Fixes the
  pre-existing leak/dangle in TRAPF's fiber-death path (cur_msg leaked,
  a->active dangled, the mailbox rotted)
- compiler: reply typing through actor-M erasure — every receive(M)
  program-wide must agree on one return type and it must be a copyable
  scalar (v1); WO-E226 names disagreeing classes / void receives /
  non-scalar replies; call's message moves exactly like send's (owner)
- corpus: run/call-echo (park + ordered replies), run/call-dead-trap
  (mid-call + to-dead, both catchable), compile-fail/call-void-receive,
  compile-fail/call-reply-disagree; cross-shard call proof rides the
  chat gate next
- battery 12/12 fresh-built (ASan+TSan lanes in fibers/db-actor green)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-23 06:22:24 +02:00
..
00-wob-format.md feat: iteration 36 task 5 — operators sample, docs closeout 2026-08-22 21:42:08 +02:00
01-error-catalog.md docs: iteration 15 closeout (Task 5) 2026-08-19 19:23:18 +02:00
02-corpus.md feat(compiler): iteration 5 Tasks 1-4 — modules, language surface, switch, typedef records + enum variants 2026-08-12 14:40:07 +02:00
03-concurrency-coroutines.md docs: arc closeout (T8) — stage 3 landed, chain advances to 22 2026-08-21 13:16:25 +02:00
04-db-binding.md feat: insert executes (iteration 9, Task 3) -- DB_STUB retires for insert 2026-08-15 11:15:06 +02:00
08-builtin-surface.md feat: call/reply — send that waits (id 88, envelope kinds 5/6, WO-E226) 2026-08-23 06:22:24 +02:00
README.md docs: oop-vm/03 — stackless coroutine contract (no async) 2026-08-21 11:07:52 +02:00

docs/plan/oop-vm/ — OOP + systems track contracts

The normative contract documents both stacks cite. Landed by their named plan tasks:

doc contract plan
00-wob-format.md .wob bytecode format (compiler↔VM) 1
01-error-catalog.md every WO-E### code 2, grows 3/8
02-corpus.md how to add conformance fixtures 3
03-concurrency-coroutines.md stackless fibers, park/resume protocols, reduction budget, the no-async rule arc (was plan 4's slot; that plan ✖ discarded 2026-08-21)
04-db-binding.md row format, WAL records, query subset 5
05-http-service.md route section, trap→HTTP table, JSON subset 6
06-ui-live.md delta frames, subscribe protocol, wo:live 7
07-systems-stdlib.md per-function nil-vs-trap contracts 9
08-builtin-surface.md builtin source names, container/call/entry rules the emitter enforces 3

Specs and plans: docs/superpowers/{specs,plans}/. Repo map: docs/08-project-structure.md.