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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
Download patch file Download diff file Expand all files Collapse all files

4
tools/editors/jetbrains/src/main/kotlin/io/ludic/ide/LudicTokens.kt
View file

@ -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"

4
tools/editors/shared/ludic.tmLanguage.json
View file

@ -100,7 +100,7 @@
}
},
{
"match": "\\b(extern\\s+)?(fn)\\s+([A-Za-z_][A-Za-z0-9_]*)",
"match": "\\b(extern\\s+)?(function)\\s+([A-Za-z_][A-Za-z0-9_]*)",
"captures": {
"1": { "name": "storage.modifier.extern.ludic" },
"2": { "name": "storage.type.function.ludic" },
@ -176,7 +176,7 @@
{ "name": "keyword.operator.logical.ludic", "match": "\\b(and|or|not)\\b" },
{ "name": "keyword.other.clause.ludic", "match": "\\b(phase|query|on)\\b" },
{ "name": "keyword.other.ludic", "match": "\\b(import|extern)\\b" },
{ "name": "storage.type.ludic", "match": "\\b(program|property|model|enum|ui|const|var|let|fn|handler|entry|state)\\b" },
{ "name": "storage.type.ludic", "match": "\\b(program|property|model|enum|ui|const|var|let|function|handler|entry|state)\\b" },
{ "name": "support.type.primitive.ludic", "match": "\\b(int|long|fixed|bool|entity|str|ptr|byte|words|fixeds|ptrs|void)\\b" },
{ "name": "constant.language.boolean.ludic", "match": "\\b(true|false|null)\\b" },
{ "name": "constant.language.phase.ludic", "match": "\\b(Start|Input|FixedUpdate|Update|LateUpdate|Render)\\b" }

4
tools/editors/vscode/syntaxes/ludic.tmLanguage.json
View file

@ -100,7 +100,7 @@
}
},
{
"match": "\\b(extern\\s+)?(fn)\\s+([A-Za-z_][A-Za-z0-9_]*)",
"match": "\\b(extern\\s+)?(function)\\s+([A-Za-z_][A-Za-z0-9_]*)",
"captures": {
"1": { "name": "storage.modifier.extern.ludic" },
"2": { "name": "storage.type.function.ludic" },
@ -176,7 +176,7 @@
{ "name": "keyword.operator.logical.ludic", "match": "\\b(and|or|not)\\b" },
{ "name": "keyword.other.clause.ludic", "match": "\\b(phase|query|on)\\b" },
{ "name": "keyword.other.ludic", "match": "\\b(import|extern)\\b" },
{ "name": "storage.type.ludic", "match": "\\b(program|property|model|enum|ui|const|var|let|fn|handler|entry|state)\\b" },
{ "name": "storage.type.ludic", "match": "\\b(program|property|model|enum|ui|const|var|let|function|handler|entry|state)\\b" },
{ "name": "support.type.primitive.ludic", "match": "\\b(int|long|fixed|bool|entity|str|ptr|byte|words|fixeds|ptrs|void)\\b" },
{ "name": "constant.language.boolean.ludic", "match": "\\b(true|false|null)\\b" },
{ "name": "constant.language.phase.ludic", "match": "\\b(Start|Input|FixedUpdate|Update|LateUpdate|Render)\\b" }