// Phase 3 step 3.0: multi-keyword selector mangling. The sx method
// name is split on `_`; each piece becomes a keyword with a trailing
// `:`. `combine_and(a, b)` → `combine:and:` — two keywords, two args.
//
// Pre-3.0: bails at lower.zig with the Phase 3/4 diagnostic.
#import "modules/std.sx";
#import "modules/build.sx";
#import "modules/ffi/objc.sx";

SxProbeMultiKeyword :: #foreign #objc_class("SxProbeMultiKeyword") {
    combine_and :: (self: *Self, a: i32, b: i32) -> i32;
}

combine_imp :: (self: *void, _cmd: *void, a: i32, b: i32) -> i32 callconv(.c) {
    a * 100 + b
}

main :: () -> i32 {
    inline if OS == .macos {
        ns_object := objc_getClass("NSObject".ptr);
        cls := objc_allocateClassPair(ns_object, "SxProbeMultiKeyword".ptr, 0);
        sel := sel_registerName("combine:and:".ptr);
        class_addMethod(cls, sel, xx combine_imp, "i@:ii".ptr);
        objc_registerClassPair(cls);

        inst : *SxProbeMultiKeyword = xx class_createInstance(cls, 0);
        n := inst.combine_and(7, 42);
        print("combine_and(7, 42) = {}\n", n);
    }
    inline if OS != .macos {
        print("skipped (not macos)\n");
    }
    0
}