989e18b760
Replace the bare-paren tuple grammar with explicit, position-unambiguous
forms, mirroring how structs work:
type `(A, B)` -> `Tuple(A, B)` (named keeps `:`)
value `(a, b)` -> `.(a, b)` (named uses `=`)
typed (new) -> `Tuple(A, B).(a, b)` (like `Point.{...}`)
failable `-> (T, !)` -> `-> T !`
`-> (T1, T2, !)`-> `-> Tuple(T1, T2) !` (channel outside Tuple)
Bare `(...)` is now grouping only, everywhere; a comma in bare parens is a
hard error with a migration hint. Grouping, function types `(A, B) -> R`,
param lists, lambdas, and match bindings are unaffected.
`Tuple(...)` is strictly a TYPE in every position (including `size_of` /
`type_info` args); a tuple VALUE comes only from `.(...)` (anonymous) or
`Tuple(...).(...)` (explicitly typed). A bare `Tuple(1, 2)` is a tuple
type with non-type elements -> rejected.
The ~110 tuple-bearing corpus files were migrated with a one-shot
AST-aware migrator (the `sx migrate` tool from the prior commit, removed
here). New examples: 0130 (new syntax), 0131 (typed construction), 1060
(named-tuple failable return). 1116 golden updated for the new hint text.
36 lines
1.6 KiB
Plaintext
36 lines
1.6 KiB
Plaintext
// E6b-R — route-all: the NEW use surfaces a same-name type reaches now funnel
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// through the source-aware engine, so an ambiguous bare name poisons LOUDLY at
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// each of them instead of silently picking a global `findByName` last-wins author.
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// `main` flat-imports two same-name `Box` struct authors and authors none itself,
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// so every bare `Box` below is a genuine collision. `Box` is the kind-agnostic
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// canary (the bare-leaf forms — annotations / size_of / match / `!Named` — are
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// already locked per kind by 0755/0795/0797/0811); these cells exercise the
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// surfaces E6b-R added:
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//
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// - wrapper-alias element `BoxPtr :: *Box` (engine wrapper aliasing)
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// - union body-builder child `WrapU :: union { b: Box }` (C1, registerUnionDecl)
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// - enum body-builder child `WrapE :: enum { V: Box }` (C1, registerEnumDecl)
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// - tuple-literal element `size_of((Box, i32))` (O1/K5)
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// - inline-anonymous body child `x : union { b: Box }` (inline-anon engine arm)
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//
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// Fail-before (pre-E6b-R): each of these resolved `Box` through the stateless
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// `type_bridge.resolveAstType` global last-wins, silently binding one arbitrary
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// author with NO diagnostic. Pass-after: every surface emits the LOUD
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// "type 'Box' is ambiguous" and the build exits 1.
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#import "modules/std.sx";
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#import "0815-route-all-new-surfaces-ambiguous/a.sx";
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#import "0815-route-all-new-surfaces-ambiguous/b.sx";
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BoxPtr :: *Box;
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WrapU :: union { b: Box; n: i32; }
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WrapE :: enum { V: Box; }
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main :: () -> i32 {
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sz := size_of(Tuple(Box, i32));
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x : union { b: Box; n: i32 } = ---;
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0
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}
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