ludic/selfhost/support/io.ludic
Orkuncakilkaya 57b66bdf47 feat(lang): L4 type checker between parse and emit
selfhost/check/ walks every function, the entry, tests, globals' initializers and
@On listeners with real scopes, and refuses mixed number kinds, text and numbers,
two record types, mismatched slices and fn types, wrong argument counts, wrong
returns and wrong push elements - every mix-up at once, each at its line.
LUDIC_CHECK_REPORT=1 lists them by category. pointer stays untyped (L7's).

What it found is fixed: render3d's HDR scan calling the float-bits extern f_lt
with floats; ludic.shooter's right-stick aim overflowing past half a push;
prof.ludic storing longs in []int; extern arguments now coerced to their
parameters. Text-returning runtime functions say string; Assets.ready says bool.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-24 01:34:49 +03:00

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# io.ludic — reading the input file and writing the output, plus tiny stdio.
# The compiler reads one .ludic file whole and emits LLVM IR text to stdout.
function read_file(path: pointer) -> pointer {
let f = file_open(path, "rb")
if (f == null) { return null }
file_seek(f, 0, 2)
let n = file_tell(f)
file_seek(f, 0, 0)
let buf = bytes(n + 1)
file_read(f, buf, n)
buf[n] = 0
file_close(f)
return buf
}
# length of a NUL-terminated buffer
function cstr_len(s: pointer) -> int {
var n = 0
while s[n] != 0 { n += 1 }
return n
}