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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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8
runtime/native/udp.ludic
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@ -55,13 +55,15 @@ function udp_open(port: int) -> int {
# the port a socket is bound to (the one the system picked, for port 0)
function udp_port(h: int) -> int { return lu_udp_port(h) }
# one datagram of `n` bytes from `buf` to ip:port: the bytes sent, or -1
function udp_send(h: int, ip: int, port: int, buf: pointer, n: int) -> int {
if (buf == null) or (n <= 0) { return -1 }
function udp_send(h: int, ip: int, port: int, buf: []byte, n: int) -> int {
if (buf == null) or (n <= 0) or (n > len(buf)) { return -1 }
return lu_udp_send(h, ip, port, buf, n)
}
# the next waiting datagram, up to `cap` bytes, into `buf`: its length, or 0 when none waits
function udp_recv(h: int, buf: pointer, cap: int) -> int {
function udp_recv(h: int, buf: []byte, cap0: int) -> int {
udp_init()
var cap = cap0
if buf != null and cap > len(buf) { cap = len(buf) }
if (buf == null) or (cap <= 0) { return 0 }
let n = lu_udp_recv(h, buf, cap, u_ipport)
if (n > 0) and (h >= 1) and (h <= UDP_HANDLES) {