a68f7c2e64
18 obj-c examples migrated (1308/1311-1317/1319/1320/1321/1341-1347): import
runtime classes '#foreign #objc_class("X") {' → '#objc_class("X") extern {'
(prefix→postfix) + fn/comment '#foreign'→'extern'. No 13xx snapshot asserts on
'foreign' text → all behavior-preserving; empty snapshot diff, corpus-validated.
Per the keep-list policy: KEPT identity-#foreign tests 1306/1318 (filename
ffi-*-foreign*); LEFT comment-only #foreign in the extern/export test files
1332/1348/1349 (no decls). Bare defined #objc_class examples (no #foreign) untouched
— not a purge target. Suite green (647 corpus / 444 unit, 0 failed).
62 lines
2.2 KiB
Plaintext
62 lines
2.2 KiB
Plaintext
// M1.2 A.6 — synthesized `-dealloc` IMP frees the sx state
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// struct and chains to `[super dealloc]` via
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// `objc_msgSendSuper2`.
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//
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// Round-trip:
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// 1. [SxFoo alloc] returns a fresh instance with state bound.
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// 2. release the instance — runtime invokes our -dealloc IMP.
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// 3. Verify the IMP fired: another alloc/release cycle works
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// without crashes, and the runtime reports the class
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// properly implements -dealloc.
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//
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// Full instance-state round-trips (sx-side `f := SxFoo.alloc();
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// f.bump();`) await A.7's dispatch-gate opening.
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#import "modules/std.sx";
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#import "modules/build.sx";
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#import "modules/ffi/objc.sx";
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class_getInstanceVariable :: (cls: *void, name: [*]u8) -> *void extern objc;
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class_getMethodImplementation :: (cls: *void, sel: *void) -> *void extern objc;
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SxFoo :: #objc_class("SxFoo") {
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counter: i32;
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bump :: (self: *Self) {
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self.counter += 1;
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}
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}
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main :: () -> i32 {
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inline if OS == .macos {
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cls : Class = objc_getClass("SxFoo".ptr);
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if cls == null { print("FAIL: SxFoo not registered\n"); return 1; }
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// Confirm the runtime sees our -dealloc IMP.
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sel_dealloc : SEL = sel_registerName("dealloc".ptr);
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imp_dealloc : *void = class_getMethodImplementation(cls, sel_dealloc);
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if imp_dealloc == null { print("FAIL: dealloc IMP missing\n"); return 1; }
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// alloc + release — synthesized -dealloc IMP fires inside.
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sel_alloc : SEL = sel_registerName("alloc".ptr);
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alloc_fn : (cls: *void, sel: *void) -> *void callconv(.c) = xx objc_msgSend;
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instance : *void = alloc_fn(cls, sel_alloc);
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if instance == null { print("FAIL: +alloc returned null\n"); return 1; }
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sel_release : SEL = sel_registerName("release".ptr);
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release_fn : (obj: *void, sel: *void) -> void callconv(.c) = xx objc_msgSend;
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release_fn(instance, sel_release);
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// Run another cycle to confirm dealloc didn't corrupt runtime state.
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instance2 : *void = alloc_fn(cls, sel_alloc);
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if instance2 == null { print("FAIL: +alloc round 2 returned null\n"); return 1; }
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release_fn(instance2, sel_release);
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print("dealloc: ok\n");
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}
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inline if OS != .macos {
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print("dealloc: ok\n");
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}
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0
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}
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