Path: utzoo!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!uunet!tut.cis.ohio-state.edu!ucbvax!TERRA.OSCS.MONTANA.EDU!iphwk From: iphwk@TERRA.OSCS.MONTANA.EDU (Bill Kinnersley) Newsgroups: comp.lang.postscript Subject: Re: *COMPLETE* Postscript Description Message-ID: <8912271532.AA12667@terra.oscs.montana.edu> Date: 27 Dec 89 15:32:15 GMT Sender: daemon@ucbvax.BERKELEY.EDU Lines: 20 [In "Re: *COMPLETE* Postscript Description", bradlee@cg-atla.UUCP said:] : : In article <17490@rpp386.cactus.org> woody@rpp386.cactus.org (Woodrow Baker) : writes: : > : >Actually, a Compiled version of PS is not unreasonable. Given a good : >BNF of the language, YACC and LEX should make the parser a snap. : > : : So, anybody got a BNF of PostScript? : A context-free grammar requires the parser to know in advance the ary-ness of each operator it encounters. PostScript would not be context-free. -- --Bill Kinnersley Physics Department Montana State University Bozeman, MT 59717 INTERNET: iphwk@terra.oscs.montana.edu BITNET: IPHWK@MTSUNIX1 226 Transfer complete.