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feat(stdlib): 2D Vector type + Vector.* namespace (issue #25)
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Implement the Vec.* half of #25 under the proper (de-abbreviated) name
Vector, unblocking it with a self-contained value type instead of waiting
on the full #1 type system.

A Vector is two Q16.16 fixed components (x, y) packed into one i64 — a true
by-value type that lives in a register and never allocates (reuses the new
`long`/i64 support; llty maps `Vector` to i64). Fifteen operations, all
deterministic fixed-point reusing fx_mul/fx_div/fx_lerp and the @fn_fx_*
prelude: make/zero/x/y, add/sub/scale/dot, length/distance/normalize/lerp,
rotate/angle/from_angle.

New selfhost/emit_vector.ludic (wired into emit_ns_call + the frag list),
the `Vector` primitive type in llty and the grammars/LSP/JetBrains tokens,
docs (type-vector + 15 Vector.* pages + section), and a registered test.
Reseeded; C-free fixpoint holds; all suites green (45/25/29); site + check.py OK.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-08-30 02:09:38 +03:00
parent 2e0047514b
commit 121053e179
30 changed files with 13740 additions and 11881 deletions
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4
selfhost/emit_expr.ludic
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@ -231,6 +231,10 @@ function emit_ns_call(ns: pointer, meth: pointer, e: Node) -> Val {
if is_hash_ns(meth) { return emit_hash_ns(meth, e) }
perr(`unknown builtin Hash.{meth}`)
}
if (ns == "Vector") {
if is_vector_ns(meth) { return emit_vector_ns(meth, e) }
perr(`unknown builtin Vector.{meth}`)
}
var bare: pointer = null
let labels = new []pointer
if (ns == "Screen") {