Files
sx/examples/1336-ffi-objc-call-10-os-gate.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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// Phase 1 step 1.14 (PLAN-FFI.md): `#objc_call` inside an
// `inline if OS == .ios { ... }` arm cross-compiles cleanly to
// Android. The comptime gate must strip the arm BEFORE the
// `objc_msg_send` lowering runs, otherwise emit_llvm would
// produce calls to `@objc_msgSend` / `@sel_registerName` that
// don't exist in Bionic + libGLESv3 / linker would fail.
//
// On macOS the iOS arm is also stripped (we're not iOS) so the
// runtime test just prints "host stripped both", proving the
// `inline if OS == { case }` form works around `#objc_call`
// sites the same way it does elsewhere.
#import "modules/std.sx";
#import "modules/build.sx";
// Empty stub class — Android cross-compile requires a `#jni_main`
// declaration to satisfy the entry-point check. This file is testing
// `inline if OS` gating around `#objc_call`, not Activity wiring.
SxObjcOsGateStub :: #jni_main #jni_class("co/swipelab/sxobjcosgate/SxObjcOsGateStub") { }
main :: () -> s32 {
inline if OS == {
case .ios: {
// Stripped on macOS + Android. Compiled on iOS / ios-sim.
#objc_call(void)(null, "init");
print("ios path\n");
}
case .android: {
// Stripped on macOS + iOS. Compiled on Android.
// Nothing #objc_call-shaped here — just text — so we
// exercise the gate symmetrically across targets.
print("android path\n");
}
else: {
print("host stripped both\n");
}
}
0
}