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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
selfhost/emit_addr.ludic
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@ -5,7 +5,7 @@
var g_addr_ty: ptr # out-param: the type at the computed address
# address of `base.field`
fn emit_member_addr(e: Node) -> ptr {
function emit_member_addr(e: Node) -> ptr {
let base = emit_expr(e.a)
let s = layout_node(base.ty)
if (s == null) { perr(`member access on non-aggregate {base.ty}`) }
@ -19,7 +19,7 @@ fn emit_member_addr(e: Node) -> ptr {
}
# address of `base[index]` (slices only in this subset)
fn emit_index_addr(e: Node) -> ptr {
function emit_index_addr(e: Node) -> ptr {
let base = emit_expr(e.a)
if not is_slice_ty(base.ty) { # a raw pointer: address of element i
let bi = emit_expr(e.b) # (evaluate index first — it may set g_addr_ty)