d8076b9333
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.
30 lines
1.2 KiB
Plaintext
30 lines
1.2 KiB
Plaintext
// A genuinely-undeclared type name used as a field type inside a MAIN-file
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// GENERIC struct must emit a clean "unknown type" diagnostic, not silently
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// compile.
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//
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// The `UnknownTypeChecker` used to SKIP generic structs entirely ("their field
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// types reference the struct's own `$T`, resolved at instantiation"). That skip
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// was too broad: a field type like `bad: MissingType` — which is NOT a type
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// param and names no declared type — fell through the type leaf's empty-struct
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// stub and the struct silently compiled, mis-sizing every downstream load.
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//
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// The checker now walks generic-struct fields with the struct's own type params
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// (`$T`) in scope: `good: T` resolves (it IS a param) while `bad: MissingType`
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// is reported. A value-param position (a `Vector` lane count, a `$N: u32` arg)
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// is still skipped, so a valid generic struct keeps compiling unchanged.
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//
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// Expected: `error: unknown type 'MissingType'` pointing at the field; exit 1.
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// Regression (stdlib E3).
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#import "modules/std.sx";
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Box :: struct($T: Type) {
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good: T;
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bad: MissingType;
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}
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main :: () -> i32 {
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b : Box(i64) = .{ good = 7, bad = 0 };
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print("{}\n", b.good);
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return 0;
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}
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