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refactor(lang): rename the fn keyword to function

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Expand the function-declaration keyword to the full word across the whole
language and toolchain:
  fn name(...) -> T { ... }   ->   function name(...) -> T { ... }

Done as a self-hosting migration: teach the parser both spellings, reseed,
rewrite every .ludic definition to `function`, then drop `fn`. The compiler
now rejects `fn`. Touches the parser, all selfhost/tools/runtime/example/test
sources, the grammars (TextMate shared+vscode, ludic_syntax.h, JetBrains
LudicTokens.kt), the LSP and formatter, the Python doc/vocab tools
(check-impl, check-docs, validate, palette, test-lsp), and the docs
(fences, prose, kw-fn -> kw-function).

Reseeded; C-free bootstrap fixpoint holds. All suites green (45 regression,
24 self-host, 29 tool); the docs site generates and check.py passes.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-08-30 01:43:22 +03:00
parent 2f19c8d8e2
commit 4c48077d68
86 changed files with 793 additions and 793 deletions
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4
tools/editors/jetbrains/src/main/kotlin/io/ludic/ide/LudicTokens.kt
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@ -20,7 +20,7 @@ object LudicTokens {
val IDENTIFIER = LudicTokenType("IDENTIFIER")
val TYPE_NAME = LudicTokenType("TYPE_NAME") // Capitalised: component, archetype, scene
val KEYWORD = LudicTokenType("KEYWORD")
val DECL_KEYWORD = LudicTokenType("DECL_KEYWORD") // game, component, system, fn, ...
val DECL_KEYWORD = LudicTokenType("DECL_KEYWORD") // game, component, system, function, ...
val CLAUSE = LudicTokenType("CLAUSE") // phase, query, reads, writes, ...
val PRIMITIVE = LudicTokenType("PRIMITIVE") // int, fixed, bool, entity, str, ptr, void
val PHASE = LudicTokenType("PHASE") // Start, Update, Render, ...
@ -42,7 +42,7 @@ object LudicTokens {
object LudicVocabulary {
val DECL = setOf(
"program", "import", "property", "model", "enum", "ui",
"const", "var", "fn", "extern", "handler", "entry", "event", "scene"
"const", "var", "function", "extern", "handler", "entry", "event", "scene"
)
val CLAUSE = setOf(
"phase", "query", "on", "cancellable", "public", "layer", "start"