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.
26 lines
1.1 KiB
Plaintext
26 lines
1.1 KiB
Plaintext
// Scalar binary operators check operand-type compatibility. The result
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// type is otherwise taken from the left operand, so mixing a non-numeric
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// type (here `string`) would lower as `<op> : i64` and either reinterpret
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// the string's bytes (arithmetic / bitwise → garbage) or feed mismatched
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// types to `icmp` (ordering → LLVM verifier failure). All such mismatches
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// are now rejected at compile time:
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// - arithmetic `+ - * / %` (numeric / vector / pointer operands)
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// - ordering `< <= > >=` (numeric / enum / pointer operands)
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// - bitwise `& | ^` (integer / enum operands)
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// - shift `<< >>` (integer / enum operands)
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// Legitimate mixes (int+float promotion, flags-enum bitwise, enum/pointer
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// comparison) are unaffected — see `examples/50-smoke.sx`.
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#import "modules/std.sx";
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main :: () -> i32 {
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n : i64 = 40;
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s : string = "nope";
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a := n + s; // arithmetic: i64 + string
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b := s * n; // arithmetic: non-numeric LHS (string * i64)
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c := n < s; // ordering: i64 < string
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d := n & s; // bitwise: i64 & string
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e := n << s; // shift: i64 << string
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0
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}
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