[antlr-interest] Simple Grammar breaks ANTLRWorks Interpreter & Debugger?
David-Sarah Hopwood
david-sarah at jacaranda.org
Sun Aug 16 19:04:30 PDT 2009
David-Sarah Hopwood wrote:
> consiliens at gmail.com wrote:
>> grammar bug;
>> bug : EOF;
>> fragment NEWLINE : '\n' '\r'? {$channel=HIDDEN;};
>>
>> Console:
>> [19:14:16] /output/bugLexer.java:50: cannot find symbol
>> [19:14:16] symbol : variable _channel
>> [19:14:16] location: class bugLexer
>> [19:14:16] _channel=HIDDEN;
>> [19:14:16] ^
>> [19:14:16] 1 error
>
> The generated code for mNEWLINE does not contain
>
> int _channel = DEFAULT_TOKEN_CHANNEL;
> ...
> state.channel = _channel;
Oh, this is as expected for fragment rules. See John Brodie's reply.
--
David-Sarah Hopwood ⚥ http://davidsarah.livejournal.com
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