def generate_traverse_for_class(cl: ClassIR, func_name: str, emitter: Emitter) -> None: """Emit function that performs cycle GC traversal of an instance.""" emitter.emit_line('static int') emitter.emit_line('{}({} *self, visitproc visit, void *arg)'.format( func_name, cl.struct_name(emitter.names))) emitter.emit_line('{') for base in reversed(cl.base_mro): for attr, rtype in base.attributes.items(): emitter.emit_gc_visit('self->{}'.format(attr), rtype) emitter.emit_line('return 0;') emitter.emit_line('}')
def generate_traverse_for_class(cl: ClassIR, func_name: str, emitter: Emitter) -> None: """Emit function that performs cycle GC traversal of an instance.""" emitter.emit_line('static int') emitter.emit_line('{}({} *self, visitproc visit, void *arg)'.format( func_name, cl.struct_name(emitter.names))) emitter.emit_line('{') for base in reversed(cl.base_mro): for attr, rtype in base.attributes.items(): emitter.emit_gc_visit('self->{}'.format(emitter.attr(attr)), rtype) if cl.has_dict: struct_name = cl.struct_name(emitter.names) # __dict__ lives right after the struct and __weakref__ lives right after that emitter.emit_gc_visit( '*((PyObject **)((char *)self + sizeof({})))'.format(struct_name), object_rprimitive) emitter.emit_gc_visit( '*((PyObject **)((char *)self + sizeof(PyObject *) + sizeof({})))'. format(struct_name), object_rprimitive) emitter.emit_line('return 0;') emitter.emit_line('}')