Orkuncakilkaya
22d1e2d66a
Vk.heap_bytes pulled the Vk module - and on lang/uifree the GL window path - into a plain program, which then failed to link (_cgl_offscreen, lgl_GetError). Os.heap_bytes is malloc_zone_statistics through a weak reference (0 where there is none, and on Windows). Reseeded. Docs for it and for Json.free / Json.free_all. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
13 lines
957 B
Markdown
13 lines
957 B
Markdown
bump: patch
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type: fix
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**A string made in the middle of an expression is freed once it has been used.** `a + "/" + b` made
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`a + "/"`, copied it and kept it for ever; a template made one such piece per hole, plus each
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number's text; and a side of `==` built only to be compared stayed too. The compiler now frees each
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of those as soon as the next `+`, the comparison or `print` has read it, and `string(n)` hands back
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the start of what it allocated so its text can be freed at all. A string held anywhere - a
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variable, an argument, a function's result - is left alone. A loop of 20,000 template builds grew
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2.9 MB and now grows 0 (`examples/lang/string_temps.ludic`).
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A slice of a string (`s[a .. b]`, always a copy) counts too: `path[0 .. n - 4] + ".dds"` and
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`path[n - 4 .. n] == ".png"` no longer leave the slice behind.
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`Os.heap_bytes()` reads malloc's live bytes (macOS; 0 elsewhere) with no renderer linked in, for a
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test that a path allocates nothing.
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