[antlr-interest] Puzzling Problem

[Sam Barnett-Cormack]

Vidar Håkestad wrote:
> I'll correct myself: The only lexer rule I see that could catch the initial 
> "0" is the protected DIGIT (in the super.g), and protected methods in the 
> lexer never reaches the parser?

Actually, it can end up as an INT, which is what I think it's doing, but 
with the literals not being handled, as Scott has pointed out.

Sam

> On Sunday 09 April 2006 17:35, Vidar Håkestad wrote:
> 
>>Could it be that it actually is the lexer that complain? No lexer rules are
>>provided...
>>
>>Regards
>>Vidar
>>
>>On Sunday 09 April 2006 17:20, Sam Barnett-Cormack wrote:
>>
>>>Hi all,
>>>
>>>I have an odd problem with a parser I'm using. The relevant grammar and
>>>data files are at http://shed.geekworld.co.uk/~sdb/jguru/antlr/ - the
>>>lexer and base grammar are in super.g, the parser/grammar in question is
>>>in buildings.g, and the data file is buildings.txt.
>>>
>>>The error I get on running it is the slightly odd
>>>
>>>line 1:10: unexpected token: 0
>>>
>>>This is especially odd, as the grammar specifies that the first token it
>>>should get *is* "0".
>>>
>>>I was just wondering if anyone could shed any light on this. You won't
>>>be able to generate actual bytecode from the files I've given, as they
>>>are part of a much bigger project. If anyone wants to see it all and
>>>perhaps be able to compile it, it's in an svn repository that I can give
>>>  people the address of. It's an eclipse project, so ANTLREclipse will
>>>be useful to look at it in Eclipse.
>>>
>>>Sam