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feat(lang): L7 memory is safe unless it says unsafe

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The typed buffers are slices: words/floats/fixeds/doubles/pointers(n) make
zeroed, bounds-checked []int/[]float/... and the type names mean them. buffer(n)
is a []byte, with text_of, Fs.read_bytes/write_bytes and view(xs, start, n).
bytes(), indexing a raw pointer or bytes, free, resize, Memory.*, raw file calls,
data_of and C externs are refused outside unsafe { } / unsafe function, and a
project's own files may write unsafe only with --unsafe; the runtime and packages
are the platform. A slice passed to an extern goes as its data.

What the change found: Sync's atomics on a slice header, words(n) uninitialised,
input's fixed axes in ints, truetype's fixed outlines as ints, skin matrices
typed int, gl_shader's source table made from raw bytes. render3d gets safe
entry points (safe_api.ludic). Rendering is byte-identical; a frame costs the same.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-24 12:53:27 +03:00
parent 9259808f80
commit b0b0b62bce
70 changed files with 69189 additions and 64569 deletions
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4
tools/ludic-cli/vkgen.ludic
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@ -29,7 +29,7 @@ property VkMap { keys: pointers, vals: words, cap: int = 0, count: int = 0 }
function vkm_new() -> VkMap {
let m = new VkMap
m.cap = 16384
m.keys = bytes(m.cap * 8)
m.keys = pointers(m.cap)
for i in 0 .. m.cap { m.keys[i] = null }
m.vals = words(m.cap)
return m
@ -45,7 +45,7 @@ function vkm_slot(m: VkMap, key: pointer) -> int {
function vkm_grow(m: VkMap) -> void {
let ok = m.keys; let ov = m.vals; let oc = m.cap
m.cap = oc * 2
m.keys = bytes(m.cap * 8)
m.keys = pointers(m.cap)
for i in 0 .. m.cap { m.keys[i] = null }
m.vals = words(m.cap)
m.count = 0