1pub struct DiagnosticInfo {
21 pub code: &'static str,
22 pub summary: &'static str,
23 pub grammar_symbol: &'static [&'static str],
31}
32
33pub const REGISTRY: &[DiagnosticInfo] = &[
35 d(
36 "bynk.actor.bearer_identity_not_string_constructible",
37 "A `Bearer` actor's identity is not a string-constructible type.",
38 ),
39 d(
40 "bynk.actor.bearer_missing_secret",
41 "A `Bearer` actor does not name its signing secret.",
42 ),
43 d(
44 "bynk.actor.binder_shadows_param",
45 "A `by` actor binder collides with a handler parameter of the same name.",
46 ),
47 d(
48 "bynk.actor.by_on_agent",
49 "A `by` actor clause was placed on an agent `on call` handler, which has no actor.",
50 ),
51 d(
52 "bynk.actor.duplicate_sum_scheme",
53 "Two peers in a multi-actor sum share an authentication scheme.",
54 ),
55 d(
56 "bynk.actor.identity_not_sealed",
57 "An actor identity type is not a context-ownable (sealed) value type.",
58 ),
59 d(
60 "bynk.actor.missing_by_on_http",
61 "An HTTP handler lacks the required `by` actor clause.",
62 ),
63 d(
64 "bynk.actor.outside_context",
65 "An `actor` was declared outside a context (e.g. in a commons).",
66 ),
67 d(
68 "bynk.actor.refinement_base_unsupported",
69 "A refinement actor's base is not a `Bearer` actor (no claims to authorise against).",
70 ),
71 d(
72 "bynk.actor.refinement_in_sum",
73 "A refinement actor appears as a member of a multi-actor sum.",
74 ),
75 d(
76 "bynk.actor.refinement_predicate_unsupported",
77 "A refinement actor's `where` predicate is outside the closed claim-predicate set.",
78 ),
79 d(
80 "bynk.actor.scheme_not_admissible",
81 "An actor's scheme is not admissible on this handler's protocol.",
82 ),
83 d(
84 "bynk.actor.signature_identity_unsupported",
85 "A `Signature` actor declared an `identity`, which is not yet supported.",
86 ),
87 d(
88 "bynk.actor.signature_missing_header",
89 "A `Signature` actor does not name its signature header.",
90 ),
91 d(
92 "bynk.actor.signature_missing_secret",
93 "A `Signature` actor does not name its signing secret.",
94 ),
95 d(
96 "bynk.actor.signature_requires_body",
97 "A `Signature` handler does not take a `body` parameter.",
98 ),
99 d(
100 "bynk.actor.signature_tolerance_without_timestamp",
101 "A `Signature` actor set `tolerance` without a `timestamp` header.",
102 ),
103 d(
104 "bynk.actor.sum_requires_binder",
105 "A multi-actor sum `by` clause has no binder to match the resolved actor.",
106 ),
107 d(
108 "bynk.actor.unknown_actor",
109 "A handler's `by` clause names an actor that is not declared.",
110 ),
111 d(
112 "bynk.actor.unknown_scheme",
113 "An actor declares an authentication scheme that is not compiler-known.",
114 ),
115 d(
116 "bynk.actor.unreachable_sum_arm",
117 "A multi-actor sum has an arm unreachable after a catch-all (`None`) peer.",
118 ),
119 dg(
120 "bynk.adapter.consumes_context",
121 "An `adapter` consumed a context; adapter dependencies are adapter-to-adapter.",
122 &["consumes_decl"],
123 ),
124 dg(
125 "bynk.adapter.consumes_requires_selection",
126 "An `adapter` used a whole-unit or aliased `consumes`; adapters must select capabilities with `consumes U { Cap, … }`.",
127 &["consumes_decl"],
128 ),
129 dg(
130 "bynk.adapter.disallowed_item",
131 "An `adapter` declared a `service`, `agent`, or other item it may not contain.",
132 &["adapter_decl"],
133 ),
134 dg(
135 "bynk.adapter.duplicate_binding",
136 "An `adapter` declared more than one `binding` clause.",
137 &["binding_decl"],
138 ),
139 dg(
140 "bynk.adapter.no_binding",
141 "An `adapter` declares an external provider but no `binding` module to supply it.",
142 &["adapter_decl"],
143 ),
144 dg(
145 "bynk.adapter.provider_has_body",
146 "A provider inside an `adapter` has a Bynk body; adapter providers must be external.",
147 &["provider_decl"],
148 ),
149 dg(
150 "bynk.agent.construction_arity",
151 "An agent was constructed with the wrong number of key arguments.",
152 &["agent_decl"],
153 ),
154 dg(
155 "bynk.agent.handler_arity",
156 "An agent handler was called with the wrong number of arguments.",
157 &["agent_decl"],
158 ),
159 dg(
160 "bynk.agent.handler_not_found",
161 "Called a handler the agent does not declare.",
162 &["agent_decl"],
163 ),
164 dg(
165 "bynk.agent.key_mismatch",
166 "An agent key argument has the wrong type.",
167 &["agent_decl"],
168 ),
169 dg(
170 "bynk.agent.outside_context",
171 "An `agent` was declared outside a context.",
172 &["agent_decl"],
173 ),
174 dg(
175 "bynk.agent.return_not_effect",
176 "An agent handler's return type is not an `Effect`.",
177 &["agent_decl"],
178 ),
179 dg(
180 "bynk.agents.bad_state_initialiser",
181 "An agent `store` field initialiser is not a static value of the field's type.",
182 &["store_field"],
183 ),
184 dg(
185 "bynk.agents.non_zeroable_state_field",
186 "An agent `store` field has no initialiser and no implicit zero value.",
187 &["store_field"],
188 ),
189 d(
190 "bynk.boundary.structural_mismatch",
191 "Data crossing a context boundary did not match the expected shape.",
192 ),
193 dg(
194 "bynk.capability.op_arity",
195 "A capability operation was called with the wrong number of arguments.",
196 &["capability_decl"],
197 ),
198 dg(
199 "bynk.capability.outside_context",
200 "A `capability` was declared outside a context.",
201 &["capability_decl"],
202 ),
203 dg(
204 "bynk.capability.unknown_operation",
205 "Referenced an operation the capability does not declare.",
206 &["capability_decl"],
207 ),
208 d(
209 "bynk.cell.invalid_target",
210 "A `:=` write targets something that is not a `store Cell` field.",
211 ),
212 d(
213 "bynk.cell.self_reference",
214 "A `:=` right-hand side reads the cell being written (a read-modify-write); use `.update`.",
215 ),
216 dg(
217 "bynk.consumes.alias_conflict",
218 "Two `consumes` aliases collide.",
219 &["consumes_decl"],
220 ),
221 dg(
222 "bynk.consumes.capability_name_clash",
223 "Two flattened `consumes U { Cap }` capabilities collide, or one clashes with a local capability.",
224 &["consumes_decl"],
225 ),
226 dg(
227 "bynk.consumes.in_commons",
228 "`consumes` appears in a `commons` (it is only valid in a context).",
229 &["consumes_decl"],
230 ),
231 dg(
232 "bynk.consumes.name_conflict",
233 "A `consumes` name collides with another name in scope.",
234 &["consumes_decl"],
235 ),
236 dg(
237 "bynk.consumes.self_reference",
238 "A context `consumes` itself.",
239 &["consumes_decl"],
240 ),
241 dg(
242 "bynk.consumes.service_arity",
243 "A consumed service was called with the wrong number of arguments.",
244 &["consumes_decl"],
245 ),
246 dg(
247 "bynk.consumes.target_is_commons",
248 "`consumes` targets a `commons` instead of a context.",
249 &["consumes_decl"],
250 ),
251 dg(
252 "bynk.consumes.unknown_context",
253 "`consumes` names a context that does not exist.",
254 &["consumes_decl"],
255 ),
256 dg(
257 "bynk.consumes.unknown_service",
258 "Called a service the consumed context does not declare.",
259 &["consumes_decl"],
260 ),
261 d(
262 "bynk.context.consumes_cycle",
263 "Contexts form a `consumes` dependency cycle.",
264 ),
265 d(
266 "bynk.context.external_construction",
267 "A context-owned type was constructed from outside that context.",
268 ),
269 dg(
270 "bynk.context.external_provider",
271 "A bodiless (external) provider was declared outside an `adapter`.",
272 &["provider_decl"],
273 ),
274 d(
275 "bynk.context.opaque_inspection",
276 "An opaquely-exported type was inspected from outside its context.",
277 ),
278 dg(
279 "bynk.cron.bad_params",
280 "A cron handler declares more than one parameter, or a non-`Int` one.",
281 &["cron_handler"],
282 ),
283 dg(
284 "bynk.cron.duplicate_schedule",
285 "Two cron handlers declare the same schedule.",
286 &["cron_handler"],
287 ),
288 dg(
289 "bynk.cron.invalid_schedule",
290 "A cron expression is not five whitespace-separated fields.",
291 &["cron_handler"],
292 ),
293 dg(
294 "bynk.cron.return_not_effect_result",
295 "A cron handler does not return `Effect[Result[(), E]]`.",
296 &["cron_handler"],
297 ),
298 d(
299 "bynk.duration.literal_overflow",
300 "A `Duration` literal (`<int>.<unit>`) exceeds the representable millisecond range.",
301 ),
302 dg(
303 "bynk.effect.bind_in_pure_context",
304 "An `<-` bind was used in a pure (non-effectful) context.",
305 &["effect_let_stmt"],
306 ),
307 dg(
308 "bynk.effect.bind_on_non_effect",
309 "An `<-` bind was applied to a non-`Effect` value.",
310 &["effect_let_stmt"],
311 ),
312 d(
313 "bynk.effect.capability_in_pure_context",
314 "A capability was used in a pure context.",
315 ),
316 d(
317 "bynk.effect.cross_context_in_pure_context",
318 "A cross-context call was made in a pure context.",
319 ),
320 dg(
321 "bynk.effect.fn_value_in_pure_context",
322 "An effectful function value was called in a pure context; like a capability call, it is legal only where the enclosing body is effectful.",
323 &["call"],
324 ),
325 dg(
326 "bynk.expect.not_bool",
327 "`expect` was given a non-`Bool` predicate.",
328 &["expect_expr"],
329 ),
330 dg(
331 "bynk.expect.outside_case",
332 "`expect` was used outside a `case` body.",
333 &["expect_expr"],
334 ),
335 dg(
336 "bynk.exports.capability_not_provided",
337 "An exported capability has no provider in its context.",
338 &["exports_decl"],
339 ),
340 dg(
341 "bynk.exports.conflicting_visibility",
342 "A type is exported with conflicting visibilities.",
343 &["exports_decl"],
344 ),
345 dg(
346 "bynk.exports.duplicate_export",
347 "The same name is exported more than once.",
348 &["exports_decl"],
349 ),
350 dg(
351 "bynk.exports.duplicate_in_clause",
352 "A name appears twice in one `exports` clause.",
353 &["exports_decl"],
354 ),
355 dg(
356 "bynk.exports.undeclared_capability",
357 "`exports capability` names a capability that is not declared.",
358 &["exports_decl"],
359 ),
360 dg(
361 "bynk.exports.undeclared_type",
362 "`exports` names a type that is not declared.",
363 &["exports_decl"],
364 ),
365 dg(
366 "bynk.generics.no_bounds",
367 "A type parameter carries a bound (`[A: …]`); bounded generics are not in v0.20a.",
368 &["fn_decl"],
369 ),
370 dg(
371 "bynk.generics.no_generic_types",
372 "A `type` declaration carries a type-parameter list; generic type declarations are not in v0.20a (type parameters belong to functions).",
373 &["type_decl"],
374 ),
375 dg(
376 "bynk.generics.type_arg_mismatch",
377 "Inferred or explicit type arguments conflict, have the wrong arity, target a non-generic function, or a type parameter shadows a declared type.",
378 &["call"],
379 ),
380 dg(
381 "bynk.generics.uninferable_type_arg",
382 "A generic function's type parameter could not be inferred from the arguments and was not given explicitly (`name[T](…)`); a bare generic function also cannot be passed as a value in v0.20a.",
383 &["call"],
384 ),
385 dg(
386 "bynk.given.cross_context_unknown_capability",
387 "`given B.Cap` names a capability the consumed context does not export.",
388 &["given_clause"],
389 ),
390 dg(
391 "bynk.given.undeclared_capability",
392 "A handler uses a capability it did not declare with `given`.",
393 &["given_clause"],
394 ),
395 dg(
396 "bynk.given.unknown_capability",
397 "`given` names a capability that does not exist.",
398 &["given_clause"],
399 ),
400 dg(
401 "bynk.given.unused_capability",
402 "A `given` capability is never used (warning).",
403 &["given_clause"],
404 ),
405 d(
406 "bynk.held.branch_divergence",
407 "Branches of a conditional leave a held value (e.g. `Connection[F]`) in inconsistent ownership states — one consumes or stores it, another leaves it owned (§2.9.5, real-time track slice 2).",
408 ),
409 d(
410 "bynk.held.consume_on_borrow",
411 "A consuming operation (`close`/`put`/`take`) is called on a *borrowed* held reference — borrows admit only non-consuming operations like `send` (§2.9.3, real-time track slice 2).",
412 ),
413 d(
414 "bynk.held.leak",
415 "A held value (`Connection[F]`) is still owned at scope exit — it must be disposed (stored, closed, or transferred) before the handler returns (§2.9.1, real-time track slice 2).",
416 ),
417 d(
418 "bynk.held.unsupported_map_op",
419 "A held `Map[K, Connection]` is given an `update`/`upsert` — a held resource cannot be transformed by a `(Connection) -> Connection` function; use `put`/`get`/`remove` (real-time track slice 3b-ii).",
420 ),
421 d(
422 "bynk.held.unsupported_storage",
423 "A held value (`Connection[F]`) is stored in a `Set`/`Log`/`Cache` — held values may only live in `Cell[Option[Connection]]` or `Map[K, Connection]` (§2.9.3, real-time track slice 2).",
424 ),
425 d(
426 "bynk.held.use_after_consume",
427 "A held value (`Connection[F]`) is used after a consuming operation (`close`/`put`/`take`) ended its lifetime (§2.9.2, real-time track slice 2).",
428 ),
429 dg(
430 "bynk.http.body_on_get_or_delete",
431 "A GET or DELETE handler declares a `body` parameter.",
432 &["http_handler"],
433 ),
434 dg(
435 "bynk.http.duplicate_route",
436 "Two handlers share the same method and route.",
437 &["http_handler"],
438 ),
439 dg(
440 "bynk.http.extra_param",
441 "A handler parameter is neither a path parameter nor `body`.",
442 &["http_handler"],
443 ),
444 dg(
445 "bynk.http.invalid_path",
446 "An HTTP route path is malformed.",
447 &["http_handler"],
448 ),
449 dg(
450 "bynk.http.path_param_not_stringy",
451 "A path parameter's type is not constructible from a string.",
452 &["http_handler"],
453 ),
454 dg(
455 "bynk.http.reserved_prefix",
456 "A route uses the reserved `/_bynk/` prefix.",
457 &["http_handler"],
458 ),
459 dg(
460 "bynk.http.return_not_effect_http_result",
461 "An HTTP handler does not return `Effect[HttpResult[T]]`.",
462 &["http_handler"],
463 ),
464 dg(
465 "bynk.http.unbound_path_param",
466 "A `:name` route segment has no matching handler parameter.",
467 &["http_handler"],
468 ),
469 d(
470 "bynk.index.bad_argument",
471 "An `@indexed` argument is not a `by: <field>` label.",
472 ),
473 d(
474 "bynk.index.missing",
475 "A query filters a map by equality on a field that is not `@indexed` (a perf-hint warning).",
476 ),
477 d(
478 "bynk.index.unkeyable_key",
479 "An `@indexed(by: k)` field is not value-keyable.",
480 ),
481 d(
482 "bynk.index.unknown_key",
483 "An `@indexed(by: k)` field is not a field of the map's value type.",
484 ),
485 d(
486 "bynk.index.unused",
487 "A declared `@indexed(by: k)` is never used by an equality filter (a hygiene warning).",
488 ),
489 dg(
490 "bynk.integration.duplicate_participant",
491 "A context is listed more than once in a `wires` clause.",
492 &["wires_decl"],
493 ),
494 dg(
495 "bynk.integration.duplicate_suite",
496 "Two integration tests share the same suite name.",
497 &["integration_decl"],
498 ),
499 dg(
500 "bynk.integration.mock_in_integration",
501 "`mocks` is not allowed in an integration test.",
502 &["mocks_decl"],
503 ),
504 dg(
505 "bynk.integration.too_few_participants",
506 "An integration test wires fewer than two contexts.",
507 &["wires_decl"],
508 ),
509 dg(
510 "bynk.integration.unknown_participant",
511 "A `wires` clause names something that is not a declared context.",
512 &["wires_decl"],
513 ),
514 dg(
515 "bynk.integration.unwired_dependency",
516 "A participant consumes a context that is not wired into the integration test.",
517 &["integration_decl"],
518 ),
519 d(
520 "bynk.invariant.cross_agent_reference",
521 "An invariant predicate references another agent; invariants are per-agent.",
522 ),
523 d(
524 "bynk.invariant.duplicate_name",
525 "An agent declares two invariants with the same name.",
526 ),
527 d(
528 "bynk.invariant.impure_predicate",
529 "An invariant predicate uses an effectful or test-only construct.",
530 ),
531 d(
532 "bynk.invariant.not_bool",
533 "An invariant predicate does not have type `Bool`.",
534 ),
535 dg(
536 "bynk.lambda.unannotated_param",
537 "A lambda parameter has no type annotation in a position where no function type is expected to infer it from.",
538 &["lambda_expr"],
539 ),
540 dg(
541 "bynk.lex.bad_escape",
542 "An invalid escape sequence in a string literal.",
543 &["string_literal"],
544 ),
545 dg(
546 "bynk.lex.float_literal_overflow",
547 "A float literal does not fit a finite 64-bit float.",
548 &["float_literal"],
549 ),
550 dg(
551 "bynk.lex.integer_overflow",
552 "An integer literal is out of range.",
553 &["number_literal"],
554 ),
555 d(
556 "bynk.lex.unclosed_doc_block",
557 "A documentation block is not closed.",
558 ),
559 d(
560 "bynk.lex.unexpected_character",
561 "An unexpected character in the source.",
562 ),
563 dg(
564 "bynk.lex.unterminated_interpolation",
565 "An interpolation hole `\\(…)` is not closed on its line.",
566 &["string_literal"],
567 ),
568 dg(
569 "bynk.lex.unterminated_string",
570 "A string literal is not terminated.",
571 &["string_literal"],
572 ),
573 d(
574 "bynk.list.deprecated_function",
575 "A `bynk.list` free function (`map`/`filter`/`find`/`any`/`all`) is deprecated in favour of the `List` method form (warning; auto-fixable).",
576 ),
577 dg(
578 "bynk.mock.duplicate_target",
579 "A `mocks` target is declared more than once.",
580 &["mocks_decl"],
581 ),
582 dg(
583 "bynk.mock.in_commons_test",
584 "`mocks` used in a commons test, where there is no dependency to inject.",
585 &["mocks_decl"],
586 ),
587 dg(
588 "bynk.mock.signature_mismatch",
589 "A `mocks` implementation's signature does not match the capability.",
590 &["mocks_decl"],
591 ),
592 dg(
593 "bynk.mock.unknown_target",
594 "`mocks` names a capability that is not in scope.",
595 &["mocks_decl"],
596 ),
597 d(
598 "bynk.namespace.reserved",
599 "A user unit is named `bynk` or `bynk.*`; the `bynk` root is reserved for the toolchain.",
600 ),
601 dg(
602 "bynk.parse.consumes_after_decls",
603 "`consumes` appears after other declarations.",
604 &["consumes_decl"],
605 ),
606 dg(
607 "bynk.parse.empty_agent",
608 "An `agent` body is empty.",
609 &["agent_decl"],
610 ),
611 dg(
612 "bynk.parse.empty_capability",
613 "A `capability` body is empty.",
614 &["capability_decl"],
615 ),
616 d(
617 "bynk.parse.empty_interpolation",
618 "An interpolation hole `\\(…)` contains no expression.",
619 ),
620 dg(
621 "bynk.parse.empty_match",
622 "A `match` has no arms.",
623 &["match_expr"],
624 ),
625 dg(
626 "bynk.parse.empty_mock_body",
627 "A `mocks` body is empty.",
628 &["mocks_decl"],
629 ),
630 dg(
631 "bynk.parse.empty_service",
632 "A `service` body is empty.",
633 &["service_decl"],
634 ),
635 dg(
636 "bynk.parse.expected_agent_key",
637 "Expected a `key` declaration in an agent.",
638 &["agent_decl"],
639 ),
640 d(
641 "bynk.parse.expected_agent_storage",
642 "An agent declares no storage — it has no `store` fields.",
643 ),
644 dg(
645 "bynk.parse.expected_base_type",
646 "Expected a base type.",
647 &["base_type"],
648 ),
649 dg(
650 "bynk.parse.expected_capability_op",
651 "Expected a capability operation.",
652 &["capability_op"],
653 ),
654 d("bynk.parse.expected_expression", "Expected an expression."),
655 dg(
656 "bynk.parse.expected_handler",
657 "Expected a handler.",
658 &["handler"],
659 ),
660 d("bynk.parse.expected_item", "Expected a declaration."),
661 dg(
662 "bynk.parse.expected_predicate",
663 "Expected a refinement predicate.",
664 &["refinement"],
665 ),
666 dg(
667 "bynk.parse.expected_provider_op",
668 "Expected a provider operation.",
669 &["provider_op"],
670 ),
671 d("bynk.parse.expected_token", "Expected a specific token."),
672 d("bynk.parse.expected_type", "Expected a type."),
673 d(
674 "bynk.parse.expected_unit_header",
675 "Expected a `commons` or `context` header.",
676 ),
677 dg(
678 "bynk.parse.expected_visibility",
679 "Expected a visibility keyword.",
680 &["exports_decl"],
681 ),
682 dg(
683 "bynk.parse.exports_after_decls",
684 "`exports` appears after other declarations.",
685 &["exports_decl"],
686 ),
687 d(
688 "bynk.parse.extra_tokens",
689 "Unexpected tokens after an otherwise complete construct.",
690 ),
691 dg(
692 "bynk.parse.generic_arg_count",
693 "Wrong number of generic type arguments.",
694 &["generic_type_ref"],
695 ),
696 dg(
697 "bynk.parse.handler_in_agent",
698 "A protocol handler (`on GET`/`schedule`/`message`) was declared in an agent.",
699 &["handler"],
700 ),
701 d(
702 "bynk.parse.invariant_after_handler",
703 "An `invariant` was declared after a handler; invariants precede handlers.",
704 ),
705 dg(
706 "bynk.parse.malformed_float_literal",
707 "A float literal is missing a digit on one side of the `.` (`1.`, `.5`).",
708 &["float_literal"],
709 ),
710 dg(
711 "bynk.parse.non_associative",
712 "A non-associative operator was chained (e.g. `a == b == c`).",
713 &["binary_expr"],
714 ),
715 d(
716 "bynk.parse.orphan_doc_block",
717 "A documentation block is not attached to a declaration (warning).",
718 ),
719 dg(
720 "bynk.parse.reserved_keyword",
721 "A reserved keyword was used as an identifier.",
722 &["identifier"],
723 ),
724 dg(
725 "bynk.parse.self_outside_method",
726 "`self` used outside a method or handler.",
727 &["self_expr"],
728 ),
729 d(
730 "bynk.parse.storage_after_phase",
731 "Agent storage (`state` / `store`) is declared after the invariants or handlers.",
732 ),
733 d(
734 "bynk.parse.unexpected_adapter",
735 "An `adapter` appeared where it is not allowed.",
736 ),
737 dg(
738 "bynk.parse.unexpected_context",
739 "A `context` appeared where it is not allowed.",
740 &["context_decl"],
741 ),
742 d("bynk.parse.unexpected_eof", "Unexpected end of input."),
743 dg(
744 "bynk.parse.unexpected_suite",
745 "A `suite` appeared where it is not allowed.",
746 &["suite_decl"],
747 ),
748 d(
749 "bynk.parse.unknown_effect_method",
750 "An unknown method on `Effect`.",
751 ),
752 dg(
753 "bynk.parse.unknown_handler_kind",
754 "An unknown handler form (expected `call`, an HTTP method, `schedule`, or `message`).",
755 &["handler"],
756 ),
757 dg(
758 "bynk.parse.unknown_predicate",
759 "An unknown refinement predicate.",
760 &["predicate_name"],
761 ),
762 dg(
763 "bynk.parse.uses_after_decls",
764 "`uses` appears after other declarations.",
765 &["uses_decl"],
766 ),
767 d(
768 "bynk.project.file_and_directory",
769 "A unit exists as both a file and a directory.",
770 ),
771 d(
772 "bynk.project.inconsistent_commons_name",
773 "A source file's path does not match its declared name.",
774 ),
775 d(
776 "bynk.project.kind_conflict",
777 "A name is declared as both a commons and a context.",
778 ),
779 d(
780 "bynk.project.no_root",
781 "No project root could be determined.",
782 ),
783 d(
784 "bynk.project.no_sources",
785 "The project contains no source files.",
786 ),
787 d(
788 "bynk.project.read_failed",
789 "A source file could not be read.",
790 ),
791 dg(
792 "bynk.property.restates_refinement",
793 "A `property` merely re-checks a refinement its type already guarantees.",
794 &["for_all"],
795 ),
796 dg(
797 "bynk.property.where_not_bool",
798 "A `for all ... where` filter does not type to `Bool`.",
799 &["for_all"],
800 ),
801 dg(
802 "bynk.provider.dependency_cycle",
803 "Providers form a capability dependency cycle through `given`.",
804 &["provider_decl"],
805 ),
806 dg(
807 "bynk.provider.extra_operation",
808 "A `provides` block implements an operation not in the capability.",
809 &["provider_decl"],
810 ),
811 dg(
812 "bynk.provider.missing_operation",
813 "A `provides` block is missing a capability operation.",
814 &["provider_decl"],
815 ),
816 dg(
817 "bynk.provider.outside_context",
818 "`provides` was declared outside a context.",
819 &["provider_decl"],
820 ),
821 dg(
822 "bynk.provider.signature_mismatch",
823 "A `provides` operation's signature does not match the capability.",
824 &["provider_decl"],
825 ),
826 dg(
827 "bynk.provider.unknown_capability",
828 "`provides` names a capability that does not exist.",
829 &["provider_decl"],
830 ),
831 d(
832 "bynk.query.join_key_mismatch",
833 "A `joinOn`/`leftJoin` left and right key function return different types.",
834 ),
835 dg(
836 "bynk.query.sum_needs_numeric",
837 "A `sum`/`average` key function does not return a numeric type (`Int`, `Float`, or `Duration`).",
838 &[],
839 ),
840 dg(
841 "bynk.queue.bad_params",
842 "An `on message` handler does not take exactly one `message` parameter.",
843 &["queue_handler"],
844 ),
845 dg(
846 "bynk.queue.duplicate_consumer",
847 "Two `on message` handlers consume the same queue.",
848 &["queue_handler"],
849 ),
850 dg(
851 "bynk.queue.invalid_name",
852 "A `from queue(\"…\")` binding has an empty queue name.",
853 &["queue_handler"],
854 ),
855 dg(
856 "bynk.queue.return_not_queue_result",
857 "An `on message` handler does not return `Effect[QueueResult]`.",
858 &["handler"],
859 ),
860 dg(
861 "bynk.record_spread.field_type_mismatch",
862 "A record-spread override has the wrong type for the field.",
863 &["record_spread"],
864 ),
865 dg(
866 "bynk.record_spread.non_record_base",
867 "The base of a record spread is not a record.",
868 &["record_spread"],
869 ),
870 dg(
871 "bynk.record_spread.type_mismatch",
872 "A record spread's base is a different record type.",
873 &["record_spread"],
874 ),
875 dg(
876 "bynk.record_spread.unknown_field",
877 "A record spread overrides a field the record does not have.",
878 &["record_spread"],
879 ),
880 dg(
881 "bynk.refine.literal_violates",
882 "A literal does not satisfy the refined type's predicate.",
883 &["refined_type"],
884 ),
885 dg(
886 "bynk.requires.unpinned_dependency",
887 "An adapter `binding … requires { … }` entry has an unpinned version range.",
888 &["binding_decl"],
889 ),
890 d(
891 "bynk.resolve.ambiguous_variant",
892 "A variant name is ambiguous across several sum types.",
893 ),
894 dg(
895 "bynk.resolve.arity_mismatch",
896 "A function was called with the wrong number of arguments.",
897 &["call"],
898 ),
899 d("bynk.resolve.duplicate_actor", "Two actors share a name."),
900 dg(
901 "bynk.resolve.duplicate_agent",
902 "Two agents share a name.",
903 &["agent_decl"],
904 ),
905 dg(
906 "bynk.resolve.duplicate_capability",
907 "Two capabilities share a name.",
908 &["capability_decl"],
909 ),
910 dg(
911 "bynk.resolve.duplicate_field",
912 "A record declares a field twice.",
913 &["record_type"],
914 ),
915 dg(
916 "bynk.resolve.duplicate_field_init",
917 "A record construction initialises a field twice.",
918 &["record_construction"],
919 ),
920 dg(
921 "bynk.resolve.duplicate_fn",
922 "Two functions share a name.",
923 &["fn_decl"],
924 ),
925 dg(
926 "bynk.resolve.duplicate_method",
927 "Two methods share a name.",
928 &["fn_decl"],
929 ),
930 dg(
931 "bynk.resolve.duplicate_param",
932 "A parameter name is repeated.",
933 &["param"],
934 ),
935 dg(
936 "bynk.resolve.duplicate_provider",
937 "A capability is provided more than once.",
938 &["provider_decl"],
939 ),
940 dg(
941 "bynk.resolve.duplicate_service",
942 "Two services share a name.",
943 &["service_decl"],
944 ),
945 dg(
946 "bynk.resolve.duplicate_type",
947 "Two types share a name.",
948 &["type_decl"],
949 ),
950 dg(
951 "bynk.resolve.duplicate_variant",
952 "A sum type declares a variant twice.",
953 &["sum_type"],
954 ),
955 d(
956 "bynk.resolve.fn_without_call",
957 "A function was referenced without being called.",
958 ),
959 dg(
960 "bynk.resolve.let_shadows_fn",
961 "A `let` binding shadows a function.",
962 &["let_stmt"],
963 ),
964 dg(
965 "bynk.resolve.let_shadows_type",
966 "A `let` binding shadows a type.",
967 &["let_stmt"],
968 ),
969 d(
970 "bynk.resolve.method_unknown_type",
971 "A method is defined on an unknown type.",
972 ),
973 dg(
974 "bynk.resolve.missing_field",
975 "A record construction omits a required field.",
976 &["record_construction"],
977 ),
978 d(
979 "bynk.resolve.name_conflict",
980 "Two declarations share a name.",
981 ),
982 dg(
983 "bynk.resolve.not_a_record_type",
984 "Record syntax was used on a non-record type.",
985 &["record_construction"],
986 ),
987 dg(
988 "bynk.resolve.opaque_record_construction",
989 "An opaque type was constructed with record syntax.",
990 &["record_construction"],
991 ),
992 dg(
993 "bynk.resolve.param_as_function",
994 "A value (such as a parameter) was called as a function.",
995 &["call"],
996 ),
997 dg(
998 "bynk.resolve.recursive_record_field",
999 "A record directly contains a field of its own type.",
1000 &["record_type"],
1001 ),
1002 dg(
1003 "bynk.resolve.self_outside_method",
1004 "`self` referenced outside a method or handler.",
1005 &["self_expr"],
1006 ),
1007 dg(
1008 "bynk.resolve.type_as_function",
1009 "A type name was called as if it were a function.",
1010 &["call"],
1011 ),
1012 d(
1013 "bynk.resolve.type_in_expr",
1014 "A type name was used where a value is expected.",
1015 ),
1016 dg(
1017 "bynk.resolve.unconsumed_context",
1018 "A context's service was called without a `consumes` declaration.",
1019 &["consumes_decl"],
1020 ),
1021 dg(
1022 "bynk.resolve.unknown_field",
1023 "Accessed a field the record does not have.",
1024 &["field_access"],
1025 ),
1026 dg(
1027 "bynk.resolve.unknown_function",
1028 "Called a function that does not exist.",
1029 &["call"],
1030 ),
1031 d(
1032 "bynk.resolve.unknown_name",
1033 "Referenced a name that is not in scope.",
1034 ),
1035 dg(
1036 "bynk.resolve.unknown_static_member",
1037 "Referenced an unknown static member (e.g. `T.x`).",
1038 &["field_access"],
1039 ),
1040 d(
1041 "bynk.resolve.unknown_type",
1042 "Referenced a type that does not exist.",
1043 ),
1044 dg(
1045 "bynk.send.in_pure_context",
1046 "A `~>` send was used in a pure (non-effectful) context.",
1047 &["effect_send_stmt"],
1048 ),
1049 dg(
1050 "bynk.send.non_effect",
1051 "A `~>` send was applied to a non-`Effect` value.",
1052 &["effect_send_stmt"],
1053 ),
1054 dg(
1055 "bynk.send.requires_unit",
1056 "A `~>` send targets an operation whose reply is not `Effect[()]`.",
1057 &["effect_send_stmt"],
1058 ),
1059 dg(
1060 "bynk.service.missing_from",
1061 "A `from`-less service has a handler other than `on call`.",
1062 &["service_decl"],
1063 ),
1064 dg(
1065 "bynk.service.mixed_protocols",
1066 "A service mixes handler forms that do not match its `from <protocol>`.",
1067 &["service_decl"],
1068 ),
1069 dg(
1070 "bynk.service.outside_context",
1071 "A `service` was declared outside a context.",
1072 &["service_decl"],
1073 ),
1074 dg(
1075 "bynk.service.return_not_effect",
1076 "A service handler's return type is not an `Effect`.",
1077 &["service_decl"],
1078 ),
1079 dg(
1080 "bynk.service.unknown_protocol",
1081 "A `from <protocol>` names an unknown protocol (e.g. a transport like Kafka).",
1082 &["service_decl"],
1083 ),
1084 d(
1085 "bynk.service.websocket_header",
1086 "The `from WebSocket` header is malformed — it binds frame types as `WebSocket(in: <type>, out: <type>)` (real-time track slice 3).",
1087 ),
1088 d(
1089 "bynk.service.websocket_multiple",
1090 "A context holds more than one `from WebSocket` service — at v1 the Workers upgrade routes by the `Upgrade: websocket` header alone, so one WebSocket service per context (real-time track slice 3b).",
1091 ),
1092 d(
1093 "bynk.service.websocket_open_arity",
1094 "A `from WebSocket` service must hold exactly one `on open` handler (the edge upgrade), and at most one `on message` (inbound) and one `on close` (real-time track slice 3/3b-iii).",
1095 ),
1096 d(
1097 "bynk.store.annotation_kind_mismatch",
1098 "A storage annotation is used on a kind it does not apply to (e.g. `@ttl` on a `Map`).",
1099 ),
1100 d(
1101 "bynk.store.annotation_unsupported",
1102 "A known storage annotation (`@ttl`/`@retain`/`@indexed`/`@bounded`) is used before the slice that supports it.",
1103 ),
1104 d(
1105 "bynk.store.cache_needs_clock",
1106 "A handler performs a `Cache` operation (TTL expiry reads the clock) without declaring `given Clock`.",
1107 ),
1108 d(
1109 "bynk.store.cache_ttl_required",
1110 "A `Cache` field is missing its required `@ttl(<duration>)` annotation (a keyed store with no expiry is a `Map`).",
1111 ),
1112 d(
1113 "bynk.store.kind_arity",
1114 "A storage kind was applied to the wrong number of type arguments (e.g. `Cell[A, B]`).",
1115 ),
1116 d(
1117 "bynk.store.kind_unsupported",
1118 "A known storage kind (`Queue`) is used before the slice that supports it.",
1119 ),
1120 d(
1121 "bynk.store.log_needs_clock",
1122 "A handler calls `Log.append` (which stamps the current time) without declaring `given Clock`.",
1123 ),
1124 d(
1125 "bynk.store.unknown_annotation",
1126 "A `store` field carries an annotation outside the closed `@indexed`/`@ttl`/`@retain`/`@bounded` set.",
1127 ),
1128 d(
1129 "bynk.store.unknown_kind",
1130 "A `store` field's type is not a known storage kind.",
1131 ),
1132 d(
1133 "bynk.store.unknown_op",
1134 "A storage-`Map`/`Set` operation is not a recognised entry/membership method.",
1135 ),
1136 dg(
1137 "bynk.suite.duplicate_case_name",
1138 "Two `case`s share a description.",
1139 &["case"],
1140 ),
1141 dg(
1142 "bynk.suite.unknown_target",
1143 "A `suite` targets a unit that does not exist.",
1144 &["suite_decl"],
1145 ),
1146 d(
1147 "bynk.target.browser_bundle_only",
1148 "The `browser` platform builds only the in-process `Bundle` topology; `--target workers` is not a browser build.",
1149 ),
1150 dg(
1151 "bynk.target.vendor_conflict",
1152 "One deployment unit's in-process closure uses platform-native capabilities from two mutually-exclusive platforms.",
1153 &["consumes_decl"],
1154 ),
1155 dg(
1156 "bynk.target.vendor_required",
1157 "A deployment unit uses a platform-native capability but the build selects another `--platform`.",
1158 &["consumes_decl"],
1159 ),
1160 d(
1161 "bynk.types.ambiguous_constructor",
1162 "`Ok`/`Err` is ambiguous between `Result` and `HttpResult`; qualify it.",
1163 ),
1164 dg(
1165 "bynk.types.argument_mismatch",
1166 "A function argument has the wrong type.",
1167 &["call"],
1168 ),
1169 d(
1170 "bynk.types.bytes_at_workers_boundary",
1171 "A bare `Bytes` appears in a `workers` wire signature — the erased cross-context boundary does not base64-encode it, so v1 diagnoses it rather than mis-encode. The typed paths (`bundle` calls, `store`/record fields) round-trip a `Bytes` fine (ADR 0142 D8).",
1172 ),
1173 dg(
1174 "bynk.types.call_arity",
1175 "A function value was applied with the wrong number of arguments.",
1176 &["call"],
1177 ),
1178 dg(
1179 "bynk.types.cannot_infer_option_type_param",
1180 "The value type of `None` could not be inferred.",
1181 &["none_expr"],
1182 ),
1183 d(
1184 "bynk.types.cannot_infer_result_type_params",
1185 "The type parameters of a `Result` could not be inferred.",
1186 ),
1187 d(
1188 "bynk.types.constructor_arity",
1189 "A variant constructor got the wrong number of arguments.",
1190 ),
1191 d(
1192 "bynk.types.constructor_base_mismatch",
1193 "A `.of` constructor was given an argument of the wrong base type.",
1194 ),
1195 dg(
1196 "bynk.types.duplicate_variant_arm",
1197 "A `match` has two arms for the same variant.",
1198 &["match_arm"],
1199 ),
1200 dg(
1201 "bynk.types.empty_refinement",
1202 "A refinement admits no values (contradictory predicates).",
1203 &["refinement"],
1204 ),
1205 dg(
1206 "bynk.types.err_value_mismatch",
1207 "An `Err` payload has the wrong type.",
1208 &["err_expr"],
1209 ),
1210 dg(
1211 "bynk.types.field_access_on_non_record",
1212 "Field access on a value that is not a record.",
1213 &["field_access"],
1214 ),
1215 dg(
1216 "bynk.types.field_refinement_not_base",
1217 "An inline field refinement requires a base or refined type.",
1218 &["record_field"],
1219 ),
1220 dg(
1221 "bynk.types.field_value_mismatch",
1222 "A record field was given a value of the wrong type.",
1223 &["record_construction"],
1224 ),
1225 dg(
1226 "bynk.types.function_at_boundary",
1227 "A function type appeared in a serialisable or boundary position (a record field, sum payload, service/agent handler signature, capability operation signature, agent state field, or agent key); functions cannot serialise or cross a boundary.",
1228 &["function_type_ref"],
1229 ),
1230 d(
1231 "bynk.types.held_at_boundary",
1232 "A held value (`Connection[F]`) appears in a serialisable or boundary position — a held resource is built and disposed in place, never persisted or sent across a boundary (§2.9, real-time track slice 2).",
1233 ),
1234 d(
1235 "bynk.types.held_not_comparable",
1236 "A held value (`Connection[F]`) is compared with `==`/`!=` — held values have identity, not value-equality (§2.9.3, real-time track slice 2).",
1237 ),
1238 dg(
1239 "bynk.types.if_branch_mismatch",
1240 "The branches of an `if` have different types.",
1241 &["if_expr"],
1242 ),
1243 dg(
1244 "bynk.types.if_non_bool_cond",
1245 "An `if` condition is not a `Bool`.",
1246 &["if_expr"],
1247 ),
1248 d(
1249 "bynk.types.interpolation_non_scalar",
1250 "An interpolation hole holds a value with no string form.",
1251 ),
1252 dg(
1253 "bynk.types.invalid_regex",
1254 "A `Matches` predicate contains an invalid regular expression.",
1255 &["refinement"],
1256 ),
1257 dg(
1258 "bynk.types.inverted_range",
1259 "An `InRange` predicate has its bounds inverted.",
1260 &["refinement"],
1261 ),
1262 dg(
1263 "bynk.types.is_base_mismatch",
1264 "An `is` refinement check is applied to a value of the wrong base type.",
1265 &["is_expr"],
1266 ),
1267 dg(
1268 "bynk.types.is_non_sum",
1269 "`is` was applied to a value that is not a sum type.",
1270 &["is_expr"],
1271 ),
1272 dg(
1273 "bynk.types.is_unknown_variant",
1274 "`is` names a variant the type does not have.",
1275 &["is_expr"],
1276 ),
1277 dg(
1278 "bynk.types.json_uncodable",
1279 "A `Json.encode`/`Json.decode` target type cannot pass through the typed JSON codec (functions, effects, error builtins).",
1280 &["method_call"],
1281 ),
1282 dg(
1283 "bynk.types.key_not_orderable",
1284 "A `sortBy`/`min`/`max` key function does not return an orderable type (`Int`, `Float`, `String`, `Duration`, or `Instant`).",
1285 &[],
1286 ),
1287 dg(
1288 "bynk.types.lambda_mismatch",
1289 "A lambda's parameter count, parameter annotations, or body type do not match the expected function type.",
1290 &["lambda_expr"],
1291 ),
1292 dg(
1293 "bynk.types.let_annotation_mismatch",
1294 "A `let` value does not match its type annotation.",
1295 &["let_stmt"],
1296 ),
1297 dg(
1298 "bynk.types.list_element_mismatch",
1299 "A list-literal element has a different type from the list's element type.",
1300 &["list_literal"],
1301 ),
1302 dg(
1303 "bynk.types.match_arm_mismatch",
1304 "A `match` arm has a different type from the others.",
1305 &["match_arm"],
1306 ),
1307 dg(
1308 "bynk.types.match_non_sum_discriminant",
1309 "`match` was applied to a value that is not a sum type.",
1310 &["match_expr"],
1311 ),
1312 dg(
1313 "bynk.types.method_arity",
1314 "A method was called with the wrong number of arguments.",
1315 &["method_call"],
1316 ),
1317 dg(
1318 "bynk.types.method_not_found",
1319 "Called a method the type does not have.",
1320 &["method_call"],
1321 ),
1322 dg(
1323 "bynk.types.method_on_non_named_type",
1324 "A method was called on a built-in type that has no methods.",
1325 &["method_call"],
1326 ),
1327 dg(
1328 "bynk.types.mixed_pattern_bindings",
1329 "A pattern mixes named and positional bindings.",
1330 &["variant_pattern"],
1331 ),
1332 dg(
1333 "bynk.types.negative_length",
1334 "A length predicate was given a negative value.",
1335 &["refinement"],
1336 ),
1337 dg(
1338 "bynk.types.no_numeric_coercion",
1339 "`Int` and `Float` were mixed without an explicit conversion — in an operation or in refinement bounds.",
1340 &["binary_expr", "refinement"],
1341 ),
1342 dg(
1343 "bynk.types.non_exhaustive_match",
1344 "A `match` does not cover every variant.",
1345 &["match_expr"],
1346 ),
1347 dg(
1348 "bynk.types.ok_value_mismatch",
1349 "An `Ok` payload has the wrong type.",
1350 &["ok_expr"],
1351 ),
1352 dg(
1353 "bynk.types.opaque_raw_outside",
1354 "`.raw` on an opaque type was used outside its defining commons.",
1355 &["field_access"],
1356 ),
1357 dg(
1358 "bynk.types.opaque_record_construction",
1359 "An opaque type was constructed with record syntax.",
1360 &["record_construction"],
1361 ),
1362 dg(
1363 "bynk.types.opaque_unsafe_outside",
1364 "`.unsafe` on an opaque type was used outside its defining context.",
1365 &["field_access"],
1366 ),
1367 dg(
1368 "bynk.types.pattern_arity",
1369 "A pattern binds the wrong number of payload fields.",
1370 &["variant_pattern"],
1371 ),
1372 dg(
1373 "bynk.types.pattern_type_mismatch",
1374 "A pattern's type does not match the matched value.",
1375 &["variant_pattern"],
1376 ),
1377 dg(
1378 "bynk.types.predicate_base_mismatch",
1379 "A predicate does not apply to the type's base (e.g. a string predicate on an `Int`).",
1380 &["refinement"],
1381 ),
1382 d(
1383 "bynk.types.query_at_boundary",
1384 "A `Query` type appears in a storable or boundary-crossing position — a query is built and executed in place, never persisted or sent (ADR 0115).",
1385 ),
1386 dg(
1387 "bynk.types.question_error_mismatch",
1388 "`?` propagates an error type incompatible with the function's.",
1389 &["question_expr"],
1390 ),
1391 dg(
1392 "bynk.types.question_on_non_result",
1393 "`?` was applied to a non-`Result` value.",
1394 &["question_expr"],
1395 ),
1396 dg(
1397 "bynk.types.question_outside_result",
1398 "`?` used in a function that does not return a `Result`.",
1399 &["question_expr"],
1400 ),
1401 d(
1402 "bynk.types.return_mismatch",
1403 "A returned value does not match the declared return type.",
1404 ),
1405 dg(
1406 "bynk.types.some_value_mismatch",
1407 "A `Some` payload has the wrong type.",
1408 &["some_expr"],
1409 ),
1410 d(
1411 "bynk.types.stream_at_boundary",
1412 "A `Stream` type appears in a storable or boundary-crossing position — a stream is a live value-over-time source, never persisted or sent across a boundary (real-time track slice 0).",
1413 ),
1414 d(
1415 "bynk.types.stream_not_comparable",
1416 "A `Stream` value is compared with `==`/`!=` — a stream is a live value-over-time source, not a comparable value (real-time track slice 0).",
1417 ),
1418 d(
1419 "bynk.types.type_mismatch",
1420 "Two types that were required to match did not.",
1421 ),
1422 dg(
1423 "bynk.types.uninferable_element_type",
1424 "An empty `[]` (or `List.empty()` / `Map.empty()`) has no expected type to infer its element type from.",
1425 &["list_literal"],
1426 ),
1427 dg(
1428 "bynk.types.unkeyable_distinct",
1429 "A `distinct`/`distinctBy` element or key is not value-keyable (`String`, `Int`, or a refined/opaque type over them).",
1430 &[],
1431 ),
1432 dg(
1433 "bynk.types.unkeyable_map_key",
1434 "A `Map` key type is not value-keyable (`String`, `Int`, or a refined/opaque type over them).",
1435 &["generic_type_ref"],
1436 ),
1437 dg(
1438 "bynk.types.unknown_field",
1439 "Referenced a field the record type does not declare.",
1440 &["field_access"],
1441 ),
1442 dg(
1443 "bynk.types.unknown_pattern_field",
1444 "A pattern names a field the variant does not have.",
1445 &["variant_pattern"],
1446 ),
1447 dg(
1448 "bynk.types.unknown_static_member",
1449 "Referenced an unknown static member on a type.",
1450 &["field_access"],
1451 ),
1452 dg(
1453 "bynk.types.unknown_variant_in_pattern",
1454 "A pattern names a variant the sum type does not have.",
1455 &["variant_pattern"],
1456 ),
1457 dg(
1458 "bynk.types.unreachable_arm",
1459 "A `match` arm is unreachable.",
1460 &["match_arm"],
1461 ),
1462 d(
1463 "bynk.types.variant_arity",
1464 "A variant constructor got the wrong number of payload values.",
1465 ),
1466 d(
1467 "bynk.types.variant_missing_payload",
1468 "A variant requiring a payload was used without one.",
1469 ),
1470 d(
1471 "bynk.types.variant_payload_mismatch",
1472 "A variant payload has the wrong type.",
1473 ),
1474 dg(
1475 "bynk.uses.name_conflict",
1476 "A `uses` name collides with another name.",
1477 &["uses_decl"],
1478 ),
1479 dg(
1480 "bynk.uses.self_reference",
1481 "A commons `uses` itself.",
1482 &["uses_decl"],
1483 ),
1484 dg(
1485 "bynk.uses.target_is_context",
1486 "`uses` targets a context instead of a commons.",
1487 &["uses_decl"],
1488 ),
1489 dg(
1490 "bynk.uses.unknown_commons",
1491 "`uses` names a commons that does not exist.",
1492 &["uses_decl"],
1493 ),
1494 dg(
1495 "bynk.val.agent_not_generable",
1496 "A `for all`/`Val` cannot generate an agent — fabricated agent states need not be reachable.",
1497 &["for_all"],
1498 ),
1499 dg(
1500 "bynk.val.arity",
1501 "`Val[T]` was given the wrong number of pin arguments.",
1502 &["val_expr"],
1503 ),
1504 dg(
1505 "bynk.val.literal_violates",
1506 "A pinned `Val[T]` value violates the type's refinement.",
1507 &["val_expr"],
1508 ),
1509 dg(
1510 "bynk.val.needs_pin",
1511 "A bare `Val[T]` cannot generate a value (e.g. a `Matches` string); pin one.",
1512 &["val_expr"],
1513 ),
1514 dg(
1515 "bynk.val.outside_test",
1516 "`Val[T]` was used outside a test case body.",
1517 &["val_expr"],
1518 ),
1519 dg(
1520 "bynk.val.pin_not_literal",
1521 "A `Val[T]` pin argument is not a compile-time literal.",
1522 &["val_expr"],
1523 ),
1524 dg(
1525 "bynk.val.pin_unsupported",
1526 "A pin was given for a type kind that does not support pinning.",
1527 &["val_expr"],
1528 ),
1529 dg(
1530 "bynk.val.unknown_type",
1531 "`Val[T]` names a type that does not resolve.",
1532 &["val_expr"],
1533 ),
1534 dg(
1535 "bynk.val.unsupported_kind",
1536 "`Val[T]` cannot fabricate a value for this kind of type.",
1537 &["val_expr"],
1538 ),
1539 d(
1540 "bynk.ws.message_frame_param",
1541 "A WebSocket `on message` handler does not have exactly one parameter of the service's inbound (`in:`) frame type — the decoded frame (real-time track slice 3b-iii).",
1542 ),
1543 d(
1544 "bynk.ws.open_given_unsupported",
1545 "A WebSocket `on open` handler declares `given` capabilities — unsupported at v1, since on Workers the handler runs inside the connection-hosting Durable Object, which has no composition root to supply them (real-time track slice 3b).",
1546 ),
1547 d(
1548 "bynk.ws.open_transfer_shape",
1549 "A WebSocket `on open` handler does not transfer its `connection` into exactly one agent, so the Workers upgrade has no single Durable Object to route to (real-time track slice 3b).",
1550 ),
1551 d(
1552 "bynk.ws.route_param_mismatch",
1553 "A WebSocket `on message`/`on close` route parameter does not match the `on open` parameter at the same position — route values are recovered positionally from the connection, so they must be a type-compatible prefix of the `on open` parameters (real-time track slice 3b-iii).",
1554 ),
1555];
1556
1557const fn d(code: &'static str, summary: &'static str) -> DiagnosticInfo {
1559 DiagnosticInfo {
1560 code,
1561 summary,
1562 grammar_symbol: &[],
1563 }
1564}
1565
1566const fn dg(
1568 code: &'static str,
1569 summary: &'static str,
1570 grammar_symbol: &'static [&'static str],
1571) -> DiagnosticInfo {
1572 DiagnosticInfo {
1573 code,
1574 summary,
1575 grammar_symbol,
1576 }
1577}
1578
1579pub fn category(code: &str) -> &str {
1582 code.split('.').nth(1).unwrap_or("")
1583}
1584
1585fn category_title(cat: &str) -> &'static str {
1587 match cat {
1588 "agent" | "agents" => "Agents",
1589 "boundary" => "Boundaries",
1590 "capability" => "Capabilities",
1591 "consumes" => "Consumes",
1592 "context" => "Contexts",
1593 "cron" => "Cron",
1594 "effect" => "Effects",
1595 "expect" => "Expectations",
1596 "exports" => "Exports",
1597 "given" => "Given capabilities",
1598 "http" => "HTTP",
1599 "lex" => "Lexer",
1600 "mock" => "Mocks (collaborators)",
1601 "parse" => "Parser",
1602 "project" => "Project",
1603 "property" => "Properties (generative tests)",
1604 "provider" => "Providers",
1605 "queue" => "Queue",
1606 "record_spread" => "Record spread",
1607 "refine" => "Refinement",
1608 "resolve" => "Resolution",
1609 "service" => "Services",
1610 "suite" => "Suites and cases",
1611 "types" => "Type checking",
1612 "uses" => "Uses",
1613 "val" => "Value fabrication",
1614 _ => "Other",
1615 }
1616}
1617
1618pub fn render_markdown() -> String {
1622 use std::collections::BTreeMap;
1623
1624 let mut by_category: BTreeMap<&str, Vec<&DiagnosticInfo>> = BTreeMap::new();
1626 for info in REGISTRY {
1627 by_category
1628 .entry(category_title(category(info.code)))
1629 .or_default()
1630 .push(info);
1631 }
1632
1633 let mut out = String::new();
1634 out.push_str("# Diagnostic index\n\n");
1635 out.push_str(
1636 "<!-- GENERATED FILE — do not edit by hand.\n \
1637 Source: bynkc/src/diagnostics.rs (`render_markdown`).\n \
1638 Regenerate with: BYNK_BLESS=1 cargo test -p bynkc --test diagnostics_registry -->\n\n",
1639 );
1640 out.push_str(
1641 "Every diagnostic code the compiler can emit, with a one-line summary of \
1642 the cause, grouped by category. For step-by-step cause-and-fix guidance \
1643 on the most common ones, see the [troubleshooting guides](../troubleshooting/index.md).\n\n",
1644 );
1645 out.push_str(&format!(
1646 "There are **{}** codes in total.\n",
1647 REGISTRY.len()
1648 ));
1649
1650 for (title, infos) in &by_category {
1651 out.push_str(&format!("\n## {title}\n\n"));
1652 out.push_str("| Code | Summary | Construct |\n|---|---|---|\n");
1653 for info in infos {
1654 let construct = info
1659 .grammar_symbol
1660 .iter()
1661 .map(|sym| format!("[`{sym}`](grammar.md#rule-{sym})"))
1662 .collect::<Vec<_>>()
1663 .join(", ");
1664 out.push_str(&format!(
1665 "| `{}` | {} | {} |\n",
1666 info.code, info.summary, construct
1667 ));
1668 }
1669 }
1670
1671 out
1672}
1673
1674pub fn render_grammar_semantics_json() -> String {
1680 use std::collections::BTreeMap;
1681
1682 let mut by_symbol: BTreeMap<&str, Vec<&DiagnosticInfo>> = BTreeMap::new();
1685 for info in REGISTRY {
1686 for sym in info.grammar_symbol {
1687 by_symbol.entry(sym).or_default().push(info);
1688 }
1689 }
1690
1691 let mut map = serde_json::Map::new();
1692 map.insert(
1693 "_generated".to_string(),
1694 serde_json::Value::String(
1695 "Generated from the grammar_symbol field of bynkc/src/diagnostics.rs. \
1696 Do not edit by hand. Regenerate with: BYNK_BLESS=1 cargo test -p \
1697 bynkc --test diagnostics_registry"
1698 .to_string(),
1699 ),
1700 );
1701 for (sym, infos) in by_symbol {
1702 let arr: Vec<serde_json::Value> = infos
1703 .iter()
1704 .map(|info| serde_json::json!({ "code": info.code, "summary": info.summary }))
1705 .collect();
1706 map.insert(sym.to_string(), serde_json::Value::Array(arr));
1707 }
1708
1709 let mut s =
1710 serde_json::to_string_pretty(&serde_json::Value::Object(map)).expect("serialise semantics");
1711 s.push('\n');
1712 s
1713}