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lang: rename signed integer types sN -> iN

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Surface rename of the signed integer family: s1..s64 become i1..i64
(u1..u64, usize, isize unchanged). 'string' keeps the s-prefix arm in
name classification; width parsing moves to the i-prefix arm next to
isize.

Internal TypeId tags follow the surface (.s8/.s16/.s32/.s64 ->
.i8/.i16/.i32/.i64), as do mono-key mangle fragments (ptr_i64,
tu_i64_bool) and all display/diagnostic formatting (i{d}).

Migrated in the same sweep: stdlib + examples + issue repros + FFI C
companions (shared symbol names like ffi_id_i64), expected
stdout/stderr/ir snapshots, specs.md, readme.md, CLAUDE.md/AGENTS.md,
implementation_plan.md, docs/, issue writeups. Vendored stb_image and
historical flow state left untouched.

zig build test: 426/426; examples suite: 595/595.
This commit is contained in:
agra
2026-06-12 09:31:53 +03:00
parent 515ecebea7
commit d8076b9333
1054 changed files with 6836 additions and 6839 deletions
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8
issues/0085-nested-slice-literal-elements-not-coerced.md
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@@ -12,12 +12,12 @@
> literal coercion the var-decl / call-arg paths already run. The coercion
> recurses with the nesting, so `[][]T` and deeper materialize at every level.
> Files: `src/ir/lower.zig` (`lowerArrayLiteral`). Regression:
> `examples/0142-types-nested-slice-literal-elements.sx` (`[][]s64` + `[][]string`,
> `examples/0142-types-nested-slice-literal-elements.sx` (`[][]i64` + `[][]string`,
> local-bound AND direct-call-argument forms).
## Symptom
Nested array/slice literals such as `.[.[1, 2], .[3, 4]]` miscompile when the
expected element type is a slice (`[][]s64`). Observed: both the local-bound and
expected element type is a slice (`[][]i64`). Observed: both the local-bound and
direct-call forms segfault while indexing the inner slice. Expected: both forms
materialize each inner `[N]T` literal as a `[]T` slice and print the same value.
@@ -25,12 +25,12 @@ materialize each inner `[N]T` literal as a `[]T` slice and print the same value.
```sx
#import "modules/std.sx";
sum_nested :: (xss: [][]s64) -> s64 {
sum_nested :: (xss: [][]i64) -> i64 {
return xss[0][1] + xss[1][0];
}
main :: () {
local : [][]s64 = .[.[1, 2], .[3, 4]];
local : [][]i64 = .[.[1, 2], .[3, 4]];
print("local={}\n", sum_nested(local));
print("direct={}\n", sum_nested(.[.[1, 2], .[3, 4]]));
}