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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/terrain.ludic
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@ -270,7 +270,7 @@ function terrain_generate() -> void {
ter_heights = floats(TERRAIN_RES * TERRAIN_RES)
gpu_tex_bind(GPU_TEX2D, ter_height_tex)
gpu_pixel_store(GL_PACK_ALIGNMENT, 4)
gpu_tex_read(GPU_TEX2D, GL_RED, GL_FLOAT, ter_heights)
gpu_tex_read(GPU_TEX2D, GL_RED, GL_FLOAT, data_of(ter_heights))
gpu_fb_bind(0)
gpu_fb_free(fbo)
gpu_program_free(p)
@ -663,7 +663,7 @@ function cdlod_init() -> void {
k += 6
}
}
gpu_mesh_indices(m, idx, ni * 4, 4)
gpu_mesh_indices(m, data_of(idx), ni * 4, 4)
free(idx)
m.count = ni
gpu_mesh_done(m)