c39c8e15eb
Bodied methods without a '*Self' first param (parser marks
is_static=true) are now registered as Obj-C CLASS methods on
the metaclass.
Each such method gets:
- A synthesized FnDecl + body lowering through the existing
M1.2 A.2 path.
- A C-ABI trampoline 'emitObjcDefinedClassStaticImp' — same
shape as the instance trampoline but skips the __sx_state
ivar read (no instance state) and passes only
'__sx_default_context' (plus user args) to the sx body.
- An entry in ObjcDefinedMethodEntry with 'is_class=true'.
emit_llvm's class-pair init constructor now computes the
metaclass once up-front (via object_getClass(cls)) and shares
it between the +alloc IMP registration (M1.2 A.5) and the
M2.1(b) class-method registrations. The per-method registration
loop picks the target via 'method.is_class ? metaclass : cls'.
149-objc-class-method-static-imp.sx end-to-end on macOS:
SxFoo :: #objc_class("SxFoo") {
answer :: () -> s32 { return 42; }
}
// [SxFoo answer] via objc_msgSend → 42
// class_getClassMethod(SxFoo, sel_answer) → non-null
Still TODO for M2.1: the (a) class-LEVEL constant form
'layerClass :: Class = CAEAGLLayer.class();' — needs parser
extension to recognize 'name :: Type = expr;' inside #objc_class
blocks, plus lazy-init-slot synthesis.
179 example tests pass (+1). zig build test green.
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