[antlr-interest] Spaces issues

[Jim Idle]

Looks like you might be looking for a token that you have not defined, but
post your grammar as it stands now and we can work it out.

Jim

> -----Original Message-----
> From: antlr-interest-bounces at antlr.org [mailto:antlr-interest-
> bounces at antlr.org] On Behalf Of Fabien Hermenier
> Sent: Tuesday, March 29, 2011 11:25 AM
> To: antlr-interest at antlr.org
> Subject: Re: [antlr-interest] Spaces issues
>
> Yes, and it this situation, it seems it ignores the first number and
> the range delimiter:
> Here is a sample of the event list with the input "[2..3]" and the
> starting rule "litteralRange"
>
> Consume [[/<32>,1:0, at 0]
> Create node 2(0)
> Add child 2 to 1
> Location (64,20)
> LT 1 (3)
> LT 1 (3)
> LT 2 (])
> LT 1 (3)
> LT 1 (3)
> LT 1 (3)
> RecognitionException: MismatchedTokenException(0!=0) Begin resync LT 1
> (3) Consume [3/<15>,1:4, at 1] LT 1 (]) Consume []/<35>,1:5 at 2] LT 1 (;)
> ...
> ...
>
> Le 29/03/11 12:16, Jim Idle a écrit :
> > Did you use the debugger instead of the interpreter?
> >
> > Jim
> >
> >> -----Original Message-----
> >> From: antlr-interest-bounces at antlr.org [mailto:antlr-interest-
> >> bounces at antlr.org] On Behalf Of Fabien Hermenier
> >> Sent: Tuesday, March 29, 2011 10:37 AM
> >> To: antlr-interest at antlr.org
> >> Subject: Re: [antlr-interest] Spaces issues
> >>
> >> Le 29/03/11 07:36, John B. Brodie a écrit :
> >>> Greetings!
> >>>
> >>> On Tue, 2011-03-29 at 00:47 -0600, Fabien Hermenier wrote:
> >>>> Hi
> >>>>
> >>>> I starting to use ANTLR3 with AntlrWorks 3.4.1 on OS X and I have
> >>>> some issues with spaces. I've attached a sample antlr file
> >> describing
> >>>> my grammar (see 1st grammar)
> >>>>
> >>>> I'm trying to test 'litteralRange'. So using the interpreter, I
> >> write
> >>>> "[2 ..3]" or "[2 .. 3]" as input and it works fine. However, if I
> >>>> give the string "[2..3]" it does not work. I have followed the
> >>>> tutorial and declare the Lexer WS with the channel hidden to
> ignore
> >>>> spaces, but I still have strange issues with this.
> >>>>
> >>>> Another strange fact is that if I write a reduced grammar that
> just
> >>>> isolate the rule I want to test, it is fine (see 2nd grammar).
> >>>>
> >>>> Does anyone have a solution or a hint ?
> >>>>
> >>> ....good stuff snipped....
> >>>
> >>> see Jim Idle's WIKI entry:
> >>>
> >>> http://www.antlr.org/wiki/display/ANTLR3/Lexer+grammar+for+floating
> >>> +point%2C+dot%2C+range%2C+time+specs
> >>>
> >>> (the above url is supposed to be all on 1 line without white space)
> >>>
> >>> Hope this helps...
> >>>      -jbb
> >>>
> >>>
> >> Thanks, I still have a question. I understand how it is difficult to
> >> capture '..' while having to bother with float numbers such as ".3".
> >> But in my case, I only have to deal with integer values, so
> currently
> >> I don't see why I need to help the Lexer.
> >> I have reduced the number of fragments following the principle of
> the
> >> link you sent to me (to catch in a single rule numbers in base 10,
> 16
> >> or
> >> 8) but
> >> it didn't solve my problem yet.
> >>
> >>
> >>
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