Better to do this:
fragment FLOAT;
INT : '0'..'9'+ ( '.' '0'..'9'+ { $type = FLOAT; } | ) ;
Cheers,
Jim
> -----Original Message-----
> From: [email protected] [mailto:antlr-interest-
> [email protected]] On Behalf Of yushang
> Sent: Monday, November 07, 2011 2:17 AM
> To: [email protected]
> Subject: Re: [antlr-interest] missing MATCHRANGE macro
>
> Hi,
> I think I've found the reason . I've written a rule as follow
> numeric_literal
> : '0'..'9' ('0'..'9')*
> | ('0'..'9')* '.' '0'..'9' ('0'..'9')*
> ;
> which will be translated to MATCHRANGE in Parser , if I change it to
> this :
> numeric_literal
> : INT
> | FLOAT
> ;
> INT
> : '0'..'9' ('0'..'9')*
> ;
> FLOAT
> : ('0'..'9')* '.' '0'..'9' ('0'..'9')*
> ;
> will OK. Many thanks.
>
> 2011/11/5 yushang <[email protected]>
>
> > Hi , I'm using ANTLR v3 C runtime and found this macro is missing
> from
> > the generated *Parser.c and *Parser.h . This macro can be found in
> > *Lexer.c file . Is this a bug ?
> > thanks in advance .
> >
>
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