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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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12
issues/0120-generic-struct-alias-head-unresolved-panic.md
View File

@@ -29,7 +29,7 @@
`Alias :: Box;` where `Box` is a generic struct (`struct ($T: Type)`)
lowers without any diagnostic, and instantiating through the alias
(`Alias(s64).{ ... }`) reaches LLVM emission with an `.unresolved`
(`Alias(i64).{ ... }`) reaches LLVM emission with an `.unresolved`
type — the backend tripwire panics:
```
@@ -81,7 +81,7 @@ Box :: struct ($T: Type) {
BoxAlias :: Box;
main :: () {
b := BoxAlias(s64).{ item = 3 };
b := BoxAlias(i64).{ item = 3 };
print("{}\n", b.item);
}
```
@@ -99,14 +99,14 @@ Box :: struct ($T: Type) {
BoxAlias :: Box;
main :: () {
b := BoxAlias(s64).{ item = 3 };
b := BoxAlias(i64).{ item = 3 };
print("{}\n", b.get());
}
```
Cross-module variant (`rich.sx` declares `Box`; `facade.sx` has
`r :: #import "rich.sx"; Box :: r.Box;`; a consumer flat-importing
facade.sx gets `type 'Box' is not visible` at `Box(s64).{ ... }`).
facade.sx gets `type 'Box' is not visible` at `Box(i64).{ ... }`).
## Investigation prompt
@@ -139,8 +139,8 @@ declaring module with ordinary own-decl visibility so one-level
flat-import carry works (mirror whatever makes `Thing :: r.Thing;`
re-export correctly today). Mind collision semantics (own-wins /
ambiguity) and that the alias must also work as a plain type head in
annotations (`x: BoxAlias(s64)`), nested generics
(`List(BoxAlias(s64))` if applicable), and method/UFCS dispatch on
annotations (`x: BoxAlias(i64)`), nested generics
(`List(BoxAlias(i64))` if applicable), and method/UFCS dispatch on
instantiations through the alias.
Motivating context: the std.sx-as-pure-re-exports restructure wants