[+cc seanb, www-archivr] On Tue, 2003-02-11 at 12:16, Seaborne, Andy wrote: > Tim, Dan, > > I came across this while updating Jena's N3 parser: > > http://www.w3.org/2000/10/swap/doc/Shortcuts.html [...] > 2/ Writing parsers: I do not claim to much experise with parser genrators > but having a syntax that is whitespace sensitive makes it hard to use > standard parser tools antlr, javacc, yacc/flex etc. (Don't know yapps well > enough.) Similarly, context sensitive tokenization is not so simple in > these tools. I have made my peace with some look-ahead/nastiness in the lexer. I still have hope for a tool-generated parser. Have you seen this? RDF Notation3 Grammar http://www.w3.org/2000/10/swap/rdfn3-gram http://www.w3.org/2000/10/swap/rdfn3-gram.html http://www.w3.org/2000/10/swap/rdfn3.g We were trying to replace the notation3.py hairball with that, but we ran into a snag; I can't remember what it was. -- Dan Connolly, W3C http://www.w3.org/People/Connolly/Received on Friday, 14 February 2003 09:44:31 GMT
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