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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
src/ir/lower/ffi.zig
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@@ -318,14 +318,14 @@ pub fn lowerForeignMethodCall(
const ret_ty = if (method.return_type) |rt| self.resolveType(rt) else .void;
// Reject return types the JNI emit path can't dispatch — emit_llvm's
// Call<T>Method switch only covers void / bool / s32 / s64 / f32 / f64
// / pointer-returning. Anything else (s8 / s16 / u8 / u16 / aggregates)
// Call<T>Method switch only covers void / bool / i32 / i64 / f32 / f64
// / pointer-returning. Anything else (i8 / i16 / u8 / u16 / aggregates)
// would silently lower to LLVMGetUndef and produce wrong arguments at
// the call site (chess Android touch shipped broken because s32→s32+
// the call site (chess Android touch shipped broken because i32→i32+
// f32 returns hit the undef path before .f32 was wired up).
if (!jni_descriptor.isJniReturnTypeSupported(&self.module.types, ret_ty)) {
if (self.diagnostics) |d| {
d.addFmt(.err, span, "JNI method '{s}.{s}' returns '{s}', which isn't supported by the JNI call-method lowering yet — only void/bool/s32/s64/f32/f64 and pointers are wired up", .{ fcd.name, method.name, self.module.types.typeName(ret_ty) });
d.addFmt(.err, span, "JNI method '{s}.{s}' returns '{s}', which isn't supported by the JNI call-method lowering yet — only void/bool/i32/i64/f32/f64 and pointers are wired up", .{ fcd.name, method.name, self.module.types.typeName(ret_ty) });
}
return Ref.none;
}