[antlr-interest] Skipping thru text looking for keywords to parse ...
Gavin Lambert
antlr at mirality.co.nz
Wed Jan 7 21:57:29 PST 2009
At 14:07 7/01/2009, Ben Gillis wrote:
>Are there any examples or email archive discussion where the bulk
>of text being parsed is, implicitly, comments that should be
>ignored (i.e. there is no metacharacter(s) indicating what is a
>comment)...and, the parser is only concerned with various
>keywords?
Look up "filtering lexers" (or the "filter=true" option in a
lexer-only grammar). That might be the sort of thing you're
after.
Alternatively, you could just define a lexer rule that consumes
(and discards) everything up to (but not including) the next
interesting keyword.
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