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schema: ludicc --emit-schema / ludic schema, --check --diagnostics=json, and editor attributes

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--emit-schema FILE writes the compiler's resolved view once the program type-checks: every
record (fields, types, defaults as written, docs, places, attributes), every registry with its
entries in their final order after the open-registry merge (key, constant, index, file:line:col
of the entry and of each field value, and which file contributed which keys), every const, and
the zero-argument functions a fn value can name. Deterministic, schema_version 1; the runtime is
left out. `ludic schema [file] [-o FILE]` wraps it.

--check --diagnostics=json prints every error as one JSON array on stdout: the checker's and the
module rules' all, a parse or lowering error as the last. Tokens and nodes now carry a column.

Fields take several @attributes; @Ref(Registry), @OneOf(PREFIX_), @Range(lo, hi), @Unit("..."),
@Asset("..."), @Color on a field and @AppendOnly / @ByKey on a registry change nothing but go into
the schema, and @Ref naming no registry is an error (every one reported). Fixtures:
examples/lang/attributes.ludic, examples/rejected/ref_unknown.ludic, cases in ludic-dev test.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-29 18:06:54 +03:00
parent f8d811aa97
commit 42deb76c28
27 changed files with 1220 additions and 23 deletions
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bump: minor
type: feat
**A schema for editors, and every error as JSON.** `ludicc --emit-schema out.json` (and `ludic
schema [file] [-o FILE]`) writes what the compiler resolved once the program type-checks: every
record with its fields' types, defaults, doc comments and places; every registry with its record,
prefix, resource file, openness and its entries in their final order after the open-registry merge
(key, constant, index, file:line:col of the entry and of each field value, and which file brought
which entries in); every const; and the functions a `fn` value can name with no arguments.
Deterministic, `"schema_version": 1`. Fields and registries carry editor attributes on the existing
`@` syntax - `@Ref(Registry)`, `@OneOf(PREFIX_)`, `@Range(lo, hi)`, `@Unit("m/s")`, `@Asset("gltf")`,
`@Color`, and `@AppendOnly` / `@ByKey` on a registry - which change nothing but go into the schema;
`@Ref` naming no registry is an error. A field may now carry several attributes. `ludicc --check
--diagnostics=json` (`ludic build --check --diagnostics=json`) prints every error as one JSON array
of `{file, line, col, severity, message}` on stdout; tokens and nodes now know their column.