66bdc70bf1
Move examples/*.sx and their expected/ snapshots into per-category subfolders (examples/<category>/...). Folder = leading filename token, with ffi-objc/ffi-jni kept whole; filenames are unchanged. The corpus runner and LSP sweep now discover each category's expected/ dir, while issues/ stays flat. Example 1058's repo-root-relative companion import is made file-relative. Path strings embedded in 164 snapshots were regenerated (path-only changes). Test-layout docs in CLAUDE.md updated.
66 lines
2.3 KiB
Plaintext
66 lines
2.3 KiB
Plaintext
// A named-const array dimension lays out identically whether the const is
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// TYPED (`N : i64 : 16`) or untyped (`N :: 16`), used DIRECTLY (`a : [N]T`) or
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// through a type alias (`Arr :: [N]T`), and regardless of whether the const is
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// declared before or after the alias that consumes it.
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//
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// Regression (issue 0083): the stateless registration-time resolver
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// (type_bridge) only saw module consts that were already in `module_const_map`
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// when a type alias resolved its dimension. Typed consts register in a later
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// pass, and a forward-declared untyped const had not registered yet — so the
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// alias dimension fabricated length 0 (a 0-byte alloca), and element access
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// returned garbage (scalars) or bus-errored (slice/struct elements). Module
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// consts are now pre-registered before any alias resolves, and both the
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// stateful and stateless paths share one dimension resolver.
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#import "modules/std.sx";
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NT : i64 : 8; // typed const used as a dimension
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P :: struct { x: i64; y: i64; }
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// Type aliases whose dimension is the TYPED const NT (stateless registration).
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TArr :: [NT]i64;
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TSArr :: [NT]string;
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TPArr :: [NT]P;
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// Forward reference: this alias is declared BEFORE its dimension const NF.
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FArr :: [NF]i64;
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NF :: 5;
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main :: () {
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// Typed-const dimension, DIRECT local decl.
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d : [NT]i64 = ---;
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d[0] = 3;
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d[7] = 21;
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print("direct d0={} d7={} len={}\n", d[0], d[7], d.len);
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// Typed-const dimension via ALIAS (scalar): same layout as the direct form.
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a : TArr = ---;
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a[0] = 7;
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a[7] = 99;
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print("alias a0={} a7={} len={}\n", a[0], a[7], a.len);
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// Typed-const dimension via ALIAS (string elements): no bus error.
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s : TSArr = ---;
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s[0] = "hi";
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s[7] = "yo";
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print("alias i0={} i7={}\n", s[0], s[7]);
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// Typed-const dimension via ALIAS (struct elements).
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ps : TPArr = ---;
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ps[0] = P.{ x = 1, y = 2 };
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ps[7] = P.{ x = 5, y = 6 };
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print("alias p0x={} p0y={} p7x={}\n", ps[0].x, ps[0].y, ps[7].x);
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// Nested fixed array whose both dimensions are the typed const NT.
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grid : [NT][NT]i64 = ---;
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grid[0][0] = 1;
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grid[7][7] = 10;
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print("nested g00={} g77={}\n", grid[0][0], grid[7][7]);
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// Forward-referenced alias dimension (untyped const declared after it).
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f : FArr = ---;
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f[0] = 4;
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f[4] = 40;
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print("fwd f0={} f4={} len={}\n", f[0], f[4], f.len);
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}
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