[antlr-interest] Antlr 3 and the newline token problem

[satya narayana]

Hi ,
please remove my email id from " antlr-interest "group
, i m not at all interested .
Thanks
Satya
--- Jim Idle <jimi at temporal-wave.com> wrote:

>  
> 
> ________________________________
> 
> From: antlr-interest-bounces at antlr.org on behalf of
> Ric Klaren
> Sent: Sat 11/26/2005 5:07 AM
> To: ANTLR Interest
> Subject: Re: [antlr-interest] Antlr 3 and the
> newline token problem
> 
> 
> 
> Prashant Deva wrote:
> > Me and Terence were recently having a discussion
> about this.
> > Its about how to handle newlines in antlr 3.
> 
> Can't you do it in a similar way as I intend to do
> it in C++? E.g. plug
> in a user defined object that knows about the type
> of token tracking you
> want to do? And one that knows how to put this
> location info inside a
> newly created token?
> 
> In fact this is what I am doing for the C target.
> Though it is harder to do such things in C (neatly
> at least) as the language does not have built-in
> mechanisms for it, it is still the case that if we
> just get the very basics correct then a grammar
> author should be able to set up things to override
> anything and do as they will. By 'correct', I mean
> merely that we don't lose information that some
> object/class/struct/programmar might want to track. 
> 
> 
> By default though, you will get the 'standard' stuff
> with lines and columns if only for the fact that I
> don't want to have the C runtime be inherently
> differnt to the other language targets. If that were
> to change then I would change the C target. But,
> just tracking offsets does not seem the way to me. 
> 
> In short then I agree with Ric's point of view. In
> fact the ability to override anything that makes
> sense to in a fairly trivial fashion (so long as you
> know the target language reasonably well) should be
> a general precept. If you don't like the default
> object/struct/typedef/blob then just supply your own
> definition and a bit of code to handle it.
> 
> Jim
> 
> 



		
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