[antlr-interest] "An Introduction to ANTLR" presentation slides

Darien Hager darien.hager at etelos-inc.com
Wed Feb 27 12:14:12 PST 2008


Saw this in the slides:

// Slide example
data: (b+=BYTE) {$b.size() <= 4}?;


// This is wrong, but is what is implied from regex experience with +*?
modifiers.
data: BYTE{0,4}; // 0 to 4 BYTE tokens



The slide example is valid v3 code, correct? Is there a clearer way to
match tokens or other rules an arbitrarily-ranged number of times?


-- 
Darien Hager
Developer
Etelos, Inc.
darien at etelos.com

http://www.etelos.com
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