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).
71 lines
3.4 KiB
Plaintext
71 lines
3.4 KiB
Plaintext
// Phase 3 step 3.2 — locked-in golden test for the default Obj-C
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// selector mangling rule (Phase 3.0). One fixture covers the common
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// shapes (niladic, 1-arg through 4-arg, camelCase across pieces, and
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// the `#selector(...)` override). The accompanying `.ir` snapshot
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// records each resolved selector string as an `OBJC_METH_VAR_NAME_*`
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// constant — a change to `deriveObjcSelector` produces ONE diff that
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// surfaces every affected case at once.
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//
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// Per the rule:
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// - Niladic (arity 0): name verbatim. `length` → "length".
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// - Arity N (1..): split the sx name on `_`; each piece becomes a
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// keyword with a trailing `:`. Piece count must equal arity.
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// - `#selector("...")` overrides the mangling entirely; the literal
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// string is used as the selector. Arity is the user's contract.
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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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SxManglingProbe :: #objc_class("SxManglingProbe") extern {
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length :: (self: *Self) -> i32;
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addObject :: (self: *Self, a: i32) -> i32;
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combine_and :: (self: *Self, a: i32, b: i32) -> i32;
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insert_after_index :: (self: *Self, a: i32, b: i32, c: i32) -> i32;
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add_observer_for_event :: (self: *Self, a: i32, b: i32, c: i32, d: i32) -> i32;
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initWithFrame_options :: (self: *Self, f: i32, o: i32) -> i32;
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custom_name :: (self: *Self) -> i32 #selector("actualSelectorName");
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}
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universal_imp :: (self: *void, _cmd: *void, a: i32, b: i32, c: i32, d: i32) -> i32 callconv(.c) {
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// Returns the arg count's witness; the test doesn't check return
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// values, only that dispatch succeeds for each selector shape.
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a + b + c + d
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}
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main :: () -> i32 {
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inline if OS == .macos {
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ns_object := objc_getClass("NSObject".ptr);
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cls := objc_allocateClassPair(ns_object, "SxManglingProbe".ptr, 0);
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// Register one IMP per selector we'll dispatch to.
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class_addMethod(cls, sel_registerName("length".ptr), xx universal_imp, "i@:".ptr);
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class_addMethod(cls, sel_registerName("addObject:".ptr), xx universal_imp, "i@:i".ptr);
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class_addMethod(cls, sel_registerName("combine:and:".ptr), xx universal_imp, "i@:ii".ptr);
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class_addMethod(cls, sel_registerName("insert:after:index:".ptr), xx universal_imp, "i@:iii".ptr);
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class_addMethod(cls, sel_registerName("add:observer:for:event:".ptr), xx universal_imp, "i@:iiii".ptr);
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class_addMethod(cls, sel_registerName("initWithFrame:options:".ptr), xx universal_imp, "i@:ii".ptr);
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class_addMethod(cls, sel_registerName("actualSelectorName".ptr), xx universal_imp, "i@:".ptr);
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objc_registerClassPair(cls);
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inst : *SxManglingProbe = xx class_createInstance(cls, 0);
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// One call per mangling shape; the IR snapshot pins what
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// selector string each sx name resolves to.
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_ = inst.length();
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_ = inst.addObject(1);
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_ = inst.combine_and(1, 2);
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_ = inst.insert_after_index(1, 2, 3);
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_ = inst.add_observer_for_event(1, 2, 3, 4);
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_ = inst.initWithFrame_options(1, 2);
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_ = inst.custom_name();
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print("mangling table OK\n");
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}
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inline if OS != .macos {
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print("skipped (not macos)\n");
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}
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0
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}
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