+ var alloc = v.nit_alloc("sizeof(struct instance) + {attrs.length}*sizeof(nitattribute_t)", mclass.full_name)
+ v.add("{res} = {alloc};")
+ end
+ if modelbuilder.toolcontext.opt_trace.value then
+ v.add("tracepoint(Nit_Compiler, Object_Instance,\"{mtype}\", (uintptr_t)self);")
+ v.add("GC_register_finalizer(self, object_destroy_callback, NULL, NULL, NULL);")