Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!snorkelwacker!bloom-beacon!maxsmith From: maxsmith@athena.mit.edu (Samuel M Druker) Newsgroups: comp.lang.c++ Subject: Re: zortech problem with lex Message-ID: <1990Feb26.235300.2772@athena.mit.edu> Date: 26 Feb 90 23:53:00 GMT References: <6300008@ux1.cso.uiuc.edu> <2347@dataio.Data-IO.COM> <741@ns-mx.uiowa.edu> Sender: news@athena.mit.edu (News system) Reply-To: maxsmith@athena.mit.edu (Samuel M Druker) Organization: Massachusetts Institute of Technology Lines: 9 Lex generated scanners are slower than hand crafted ones. Doubly so for yacc and its output and yacc it self can't produce a C++ parser, something to do with the language not conforming to LALR(1) and all that. If you've only got a specialized compiler market, especially a cutthroat one like the DOS world, lex and yacc aren't vital. Samuel Druker