[antlr-interest] Problem w/ string rule

[Monty Zukowski]

You need to define a "tokenVocabulary" -- by default ANTLR will only 
recognize characters matched explicitly in lexer rules (not including 
negations).

Monty

On May 19, 2004, at 3:17 PM, chiplastique wrote:

> I have the following simple lexer rule for identifying strings:
>
> STRING
> 	:	'"' (~'"')* '"'
> 	;
>
> This rule should recognize any sequence of characters enclosed by
> double quotes.  However, I've discovered that strings including
> certain punctuation characters such as '\', '`', or ';' cause ANTLR
> to throw a TokenStreamRecognitionException in the STRING rule.
>
> Is this a bug or am I doing something wrong?  I'm using the 2.7.2
> runtime for C#.
>
> Thanks!
>
>
>
>
> Yahoo! Groups Links
>
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>
Monty Zukowski

ANTLR & Java Consultant -- http://www.codetransform.com
ANSI C/GCC transformation toolkit -- 
http://www.codetransform.com/gcc.html
Embrace the Decay -- http://www.codetransform.com/EmbraceDecay.html



 
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