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sx/examples/1306-ffi-objc-foreign-class-chained-dispatch.sx
agra 811a280517 refactor(ffi-linkage): Phase 9.3 — purge 'foreign' from comments (src caps + examples + docs)
src/: ~21 capital-Foreign comments the case-sensitive verify grep missed
(Foreign-class→Runtime-class, Foreign path→Runtime path, Foreign decls→Extern decls,
FOREIGN function→extern function) across calls/inst/ffi_objc/jni_descriptor/emit_llvm/
c_import/lower.*/ops. src 'foreign' now = ONLY the hash_foreign token + 4 rejection
messages (9.0-delete targets). examples/*.sx comments → extern/runtime-class (1219
stdout regen; KEPT 1176). docs/inline-asm-design + debugger purged. Comments only —
no build impact. 9.0 ratified: DELETE hash_foreign token next.
2026-06-15 10:52:56 +03:00

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// Chained runtime-class method dispatch: `Cls.static().instance(...)`
// resolves the inner call's return type so the outer dispatch's
// receiver type is known. Pre-fix this collapsed to i64 in
// `inferExprType`, the runtime_class_map lookup missed, and lowering
// emitted `error: unresolved 'init'` (or 'initWithWindowScene' etc.)
// — see issues/0043 for the chess uikit.sx C4 migration that hit it.
//
// Two return-type shapes covered: explicit `*ClassName` (alloc here)
// and `*Self` (init). Both must propagate through the chain so the
// next `.method(...)` finds the runtime-class declaration.
#import "modules/std.sx";
#import "modules/build.sx";
NSObject :: #objc_class("NSObject") extern {
alloc :: () -> *NSObject;
init :: (self: *Self) -> *Self;
}
NSObjectSelfReturn :: #objc_class("NSObject") extern {
alloc :: () -> *Self;
init :: (self: *Self) -> *Self;
}
main :: () -> i32 {
inline if OS == .macos {
a := NSObject.alloc().init();
if a != null {
print("explicit-then-self ok\n");
}
b := NSObjectSelfReturn.alloc().init();
if b != null {
print("self-then-self ok\n");
}
}
inline if OS != .macos {
print("explicit-then-self ok\n");
print("self-then-self ok\n");
}
0
}