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- Date: 28 Feb 92 07:08:19 GMT
- From: uchinews!ellis!goer@uunet.uu.net (Richard L. Goerwitz)
- Subject: sample BNFs
- To: icon-group@cs.arizona.edu
-
- #
- # Here, by the way, is the sample grammar offered in the magazine
- # article that got me wondering about Icon-based chart parsers:
- #
- <S> ::= <NP> <VP> | <S> <CONJ> <S>
- <VP> ::= <VP> <CONJ> <VP> | <IV> ( () | <PP> ) | \
- <TV> ( <NP> | <NP> <PP> | <NP> <VP> | <REL> <S> )
- <NP> ::= <DET> ( <NP> | <ADJ> <NP> | <ADJ> <NP> <PP> | <NP> <PP> ) | \
- <ADJ> <NP> | <N> | <N> <CONJ> <N> | \
- <NP> <CONJ> <NP>
- <PP> ::= <P> ( <NP> | <ADJ> <NP> ) | <PP> <CONJ> <PP>
- <ADJ> ::= <ADJ> <CONJ> <ADJ>
- <CONJ> ::= and
- <DET> ::= the | a | his | her
- <NP> ::= her | he | they
- <N> ::= nurse | nurses | book | books | travel | arrow | arrows | \
- fortune | fortunes | report
- <ADJ> ::= outrageous | silly | blue | green | heavy | white | red | \
- black | yellow
- <IV> ::= travel | travels | report | see | suffer
- <TV> ::= hear | see | suffer
- <P> ::= on | of
- <REL> ::= that
-
- --
-
- -Richard L. Goerwitz goer%sophist@uchicago.bitnet
- goer@sophist.uchicago.edu rutgers!oddjob!gide!sophist!goer
-
-