[antlr-interest] Grammar handling of whitespaces

Gavin Lambert antlr at mirality.co.nz
Thu Feb 7 10:57:05 PST 2008


At 05:28 8/02/2008, Shawn Poulson wrote:
 >In boost::spirit, they utilize a directive "lexeme_d[]" that
 >surrounds parser references that are not processed by the
 >skip parser (in this case, the WS rule), thereby enforcing
 >no whitespace inbetween.  e.g. "lexeme_d[ 'T' >> int_p >>
 >':' >> int_p ]" is valid in spirit.
 >Maybe ANTLR could use an equivalent directive?

Umm, yes, that's called "a lexer rule".


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