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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
packages/ludic.render3d/grass.ludic
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@ -105,7 +105,7 @@ function grass_blade_mesh(rows: int) -> Mesh {
idx[q * 6] = b; idx[q * 6 + 1] = b + 1; idx[q * 6 + 2] = b + 2
idx[q * 6 + 3] = b + 1; idx[q * 6 + 4] = b + 3; idx[q * 6 + 5] = b + 2
}
gpu_mesh_indices(m, idx, nq * 6 * 4, 4)
gpu_mesh_indices(m, data_of(idx), nq * 6 * 4, 4)
free(idx)
m.count = nq * 6
gpu_mesh_done(m)
@ -270,7 +270,7 @@ function grass_flush() -> void {
if grass_n == 0 { return }
var p = grass_prog
let mesh = grass_mesh_live()
if mesh { p = grass_mesh_prog } else { gpu_buffer_upload(grass_cmds, grass_n * 20, grass_rec, GPU_DYNAMIC) }
if mesh { p = grass_mesh_prog } else { gpu_buffer_upload(grass_cmds, grass_n * 20, data_of(grass_rec), GPU_DYNAMIC) }
for b in 0 .. grass_band_n {
let s = grass_band_start[b]
var e = grass_n