All:
I've been banging my head against a design problem for over a week now,
and I thought I'd finally ask for help.
I have a fuzzy parser in place that breaks a stream up into tokens based
on whitespace and punctuation, preserving both. All other characters
are grouped together into tokens. So: "Gratuitous reply?" might yield
something like: "Gratuitous" WS "reply" QUESTION_MARK.
Here's my problem! I want to then take all the secondary tokens (i.e.
"Gratuitous" and "reply") and perform a second pass to see if these
tokens match a second set of patterns. I'm building additional parsing
into these secondary rules. They could look like:
secondary_pattern : numeral | ordinal;
numeral returns [int i] : 'two' { $i = 2; }
ordinal returns [int o] : 'second' { $i = 2; }
So the final result of "Second gratuitous reply?" could look like:
NUMERAL WS "gratuitous" WS "reply" QUESTION_MARK.
Thoughts? Suggestions?
Courtney Falk
[email protected]
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