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sx/examples/platform/1607-platform-uikit-app.sx
agra 66bdc70bf1 test: group examples into per-category folders
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.
2026-06-21 14:41:34 +03:00

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// Minimal iOS app entry point — pure sx, no .m files.
//
// 1. Register a class `SxAppDelegate : UIResponder <UIApplicationDelegate>`
// dynamically, with one method:
// application:didFinishLaunchingWithOptions: returns YES (BOOL 1).
// 2. Call UIApplicationMain(0, null, null, @"SxAppDelegate") to hand off to
// UIKit's run loop. This blocks until the app exits.
//
// After install + launch, the simulator shows the default black screen
// (UIWindow not created — that's 5.8) and the AppDelegate callback fires
// once at startup. The process stays alive because UIApplicationMain
// drives the iOS run loop.
#import "modules/std.sx";
#import "modules/ffi/objc.sx";
#framework "UIKit";
UIApplicationMain :: (argc: i32, argv: *void, principal_class: *NSString, delegate_class: *NSString) -> i32 extern;
// IMP for application:didFinishLaunchingWithOptions:
// Obj-C: -(BOOL)application:(UIApplication *)app didFinishLaunchingWithOptions:(NSDictionary *)opts
// Type encoding: "c@:@@" -- BOOL (signed char), self, _cmd, id, id
did_finish_launching :: (self: *void, _cmd: *void, app: *void, opts: *void) -> u8 abi(.c) {
NSLog(xx "[sx] application:didFinishLaunchingWithOptions: called\n");
return 1; // YES
}
main :: () -> i32 {
// SxAppDelegate : UIResponder. We deliberately don't try
// `class_addProtocol(UIApplicationDelegate)` — the linker dead-strips the
// protocol metadata from UIKit when nothing references it at compile
// time, and the C runtime can't look it up by name. UIApplicationMain
// duck-types on the method name, so this works without formal conformance.
UIResponder := objc_getClass("UIResponder".ptr);
SxAppDelegate := objc_allocateClassPair(UIResponder, "SxAppDelegate".ptr, 0);
sel := sel_registerName("application:didFinishLaunchingWithOptions:".ptr);
class_addMethod(SxAppDelegate, sel, xx did_finish_launching, "c@:@@".ptr);
objc_registerClassPair(SxAppDelegate);
// Hand off to the iOS run loop. Never returns under normal operation.
return UIApplicationMain(0, xx 0, xx 0, xx "SxAppDelegate");
}