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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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10
issues/0101-postfix-bang-field-miscompile.md
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@@ -10,7 +10,7 @@ bug: `opt!.method()` failed to resolve the method at all (`error: unresolved
```sx
#import "modules/std.sx";
S :: struct { id: string; n: s64; }
S :: struct { id: string; n: i64; }
mk :: () -> ?S { return S.{ id = "hello", n = 42 }; }
main :: () {
print("chained: {}\n", mk()!.id); // observed: garbage (e.g. 8362783136)
@@ -28,8 +28,8 @@ typed Ref into a slot and `v.field` reads it back. But the *chained* form never
materializes a slot: `lowerFieldAccess` re-derives the receiver type via
`inferExprType(fa.object)` (= `inferExprType(mk()!)`), got `.unresolved`, and
the struct-field lookup on `.unresolved` failed — `mk()!.id` was typed
`.unresolved`/`s64` and its value emitted as `undef` (the print monomorphized
`pack_s64` with `i64 undef`, surfacing as a stale stack address). The method
`.unresolved`/`i64` and its value emitted as `undef` (the print monomorphized
`pack_i64` with `i64 undef`, surfacing as a stale stack address). The method
chain failed for the same reason: receiver typing returned `.unresolved`, so
method resolution found nothing.
@@ -56,9 +56,9 @@ One arm fixes all of them.
```sx
#import "modules/std.sx";
Inner :: struct { tag: string; k: s64; }
Inner :: struct { tag: string; k: i64; }
S :: struct {
id: string; n: s64; inner: Inner;
id: string; n: i64; inner: Inner;
greet :: (self: *S) -> string { return self.id; }
}
mk :: () -> ?S { return S.{ id = "hello", n = 42, inner = Inner.{ tag = "deep", k = 7 } }; }