At 14:07 05/12/04 -0500, Bruce Lilly wrote: >The subject draft states: > > The ABNF for URI and URI-reference has been redesigned to make them > more friendly to LALR parsers and reduce complexity. > >However, attempting to use that ABNF with an LALR parser yielded >literally hundreds of shift/reduce and (more importantly) >reduce/reduce conflicts. A GLR parser was fare any better with the >ABNF. > >Are there any implementations using the ABNF as specified in the draft? My Haskell implementation [1] is hand-coded, but attempts to follow the given syntax very closely. But my approach is top-down, not LALR, so that probably doesn't answer your question. #g -- [1] http://www.ninebynine.org/Software/HaskellUtils/Network/URI.hs http://cvs.haskell.org/cgi-bin/cvsweb.cgi/fptools/libraries/network/Network/URI.hs ------------ Graham Klyne For email: http://www.ninebynine.org/#ContactReceived on Monday, 6 December 2004 17:42:14 UTC
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