+code_t* abc___fallthrough__(code_t*prev, char* name);
+#define __fallthrough__(method,name) (method->code = abc___fallthrough__(method->code,name))
+#define OPCODE___FALLTHROUGH__ 0xfd
+code_t* abc___fallthrough__2(code_t*prev, string_t* s);
+#define __fallthrough__2(method,s) (method->code = abc___fallthrough__2(method->code,s))
+#define OPCODE___FALLTHROUGH__2 0xfd