Files
sx/examples/0114-types-build-block-convert.sx
agra 12bf61a9fc std: restructure step 3 — ffi/ moves, build.sx, math dir spelling, fixtures
- objc.sx, objc_block.sx (from std/) + sdl3/opengl/raylib/stb/stb_truetype/
  wasm vendor bindings (from modules/ root) -> modules/ffi/
- std/uikit.sx deleted: platform/uikit.sx already declares UIApplicationMain
  and imports objc; '#framework "UIKit"' cannot live in a file imported on
  macOS targets (unconditional link directive, UIKit is iOS-only), so the
  three iOS-only examples carry the 3-line glue inline. 1607/1608/1616 also
  un-rotted (dead ns_string -> 'xx "..."' Into conversions, callconv(.c)
  msgSend fn-ptrs) — all three build for ios-sim/ios again.
- math/math.sx -> math/scalar.sx; one spelling '#import "modules/math"'
  everywhere (4 pinned IR snapshots regenerated: dir import adds Vec2/Mat4
  to the type tables).
- compiler.sx -> build.sx (imports, CLAUDE.md bundling table, specs.md).
- testpkg/ + test_c.sx -> tests/fixtures/ (resolve CWD-relative from repo
  root, same as vendors/).
- library-internal imports use full modules/... paths (std.sx tail,
  platform/bundle.sx, fixtures).
2026-06-11 08:37:22 +03:00

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// FFI plan step 5.1 — `build_block_convert(args: []Type, $ret: Type)
// -> string` emits the per-shape source body for the generic
// `Into(Block) for Closure(..$args) -> $R` impl that lands in step
// 5.2. Per-call-shape monomorphisation of the impl body re-runs the
// builder with concrete types bound, so each closure shape gets its
// own dedicated `__invoke` trampoline + Block literal.
//
// This test exercises the builder directly (no `#insert`, no impl
// wiring) — three pack shapes through the same `void`-returning
// wrapper plus one non-void `s32`-returning wrapper to pin the
// `return typed_fn(...)` branch. The expected output captures the
// generated source verbatim so any formatting drift surfaces here
// rather than as a downstream compile error inside the eventual
// step-5.2 impl.
#import "modules/std.sx";
#import "modules/ffi/objc_block.sx";
preview_void :: (..$args) -> string {
return build_block_convert($args, void);
}
preview_s32 :: (..$args) -> string {
return build_block_convert($args, s32);
}
run_all :: () {
print("--- void / 0 args ---\n{}\n", preview_void());
print("--- void / bool ---\n{}\n", preview_void(true));
print("--- void / s64, string ---\n{}\n", preview_void(42, "hi"));
print("--- s32 / f64 ---\n{}\n", preview_s32(3.14));
}
#run run_all();
main :: () { print("rt\n"); }