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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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8
selfhost/emit_intrin.ludic
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@ -6,7 +6,7 @@ var g_intrin_ok: bool = false
# is `name` a low-level intrinsic? A pure name check, so it can gate dispatch
# without evaluating arguments (which could clobber shared state).
fn is_intrinsic(name: ptr) -> bool {
function is_intrinsic(name: ptr) -> bool {
if (name == "resize") { return true }
if (name == "file_open") or (name == "file_read") or (name == "file_write") { return true }
if (name == "file_seek") or (name == "file_tell") or (name == "file_close") { return true }
@ -16,11 +16,11 @@ fn is_intrinsic(name: ptr) -> bool {
return false
}
# emit " <r> = <rest>\n" and return r
fn emit_bind(rest: ptr) -> ptr { let r = nreg(); emit(" "); emit(r); emit(" = "); emit(rest); emit("\n"); return r }
function emit_bind(rest: ptr) -> ptr { let r = nreg(); emit(" "); emit(r); emit(" = "); emit(rest); emit("\n"); return r }
fn arg_code(e: Node, i: int) -> ptr { let v = emit_expr(e.kids[i]); return v.code }
function arg_code(e: Node, i: int) -> ptr { let v = emit_expr(e.kids[i]); return v.code }
fn emit_intrinsic(name: ptr, e: Node) -> Val {
function emit_intrinsic(name: ptr, e: Node) -> Val {
g_intrin_ok = true
# ptr_null / ptr_is_null are the `null` literal and `x == null` now.
# mem_alloc is bytes(n) / words(n) now (see emit_call).