Line Numbers Made Cheap A technique is described for run-time line number administration to be used for implementations of high level languages. Under suitable circumstances, this method requires absolutely no overhead, in either time or space, during execution of the program. CACM October, 1979 Klint, P. Line number administration, diagnostic messages, abstract machine code 4.12 4.13 4.20 4.42 CA791004 DB January 17, 1980 9:57 AM 3171 5 3171 3171 5 3171 3171 5 3171