[antlr-interest] What does ANTLR use the reserved char codes and Token IDs for?

Brian Smith brian-l-smith at uiowa.edu
Tue Nov 5 14:51:56 PST 2002


They are control codes:

http://www.unicode.org/charts/PDF/U0000.pdf

0 = NULL
1 = START OF HEADING
2 = START OF TEXT
3 = END OF TEXT
4 = END OF TRANSMISSION

- Brian

Terence Parr wrote:
> On Sunday, November 3, 2002, at 01:16  PM, micheal_jor wrote:
> 
> 
>>Hi,
>>
>>ANTLR reserves the following character codes /u0000 to /u0003. What
>>are they used for?
> 
> 
> Hmm...for char codes I wonder if this will be a problem.  Are these 
> valid chars in any unicode set?
> 
> Ter
> --
> Co-founder, http://www.jguru.com
> Creator, ANTLR Parser Generator: http://www.antlr.org
> Lecturer in Comp. Sci., University of San Francisco
> 
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