[antlr-interest] Re: proposal for 2.7.4: charVocabulary defaults to ascii 1..127

[Brian L. Smith]

Oliver wrote:
 > lgcraymer wrote:

>>charVocabulary = "unicode";

>How would that look like? UTF-8? UTF-16? Something else?


UTF-8 decoding is done before the lexer even sees the characters, at 
least in Java, so UTF-8 wouldn't make sense. Since ANTLR 2.x uses the 
"char" type for everything in Java, it still has to deal with UTF-16 
decoding. (is ANTLR 3 going to be able to handle full Unicode 4.0?)  So, 
presumably charVocabulary="unicode" would mean UTF-16, at least in Java.

- Brian


 
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