I am not sure if this is what you want, but what about changing to something like the following? (the parts I added are in bold)
file : section1 section2?
;
section1: 'Section1' *CONTENTS*
;
section2: 'Section2' *CONTENTS*
;
ID : ('a'..'z'|'A'..'Z')+
;
*CONTENTS : ('a'..'z'|'A'..'Z')*
;*
SPACE : ' ' {$channel = HIDDEN;}
;
2010/1/15 Arne Schröder <[email protected]>
> Hello,
>
> I am trying to write a parser for an initialization-file. This file is
> devided in sections which are not embraced but have a keyword to start
> them.
>
> Unfortunately the parser stops when encountering a problem and just ends
> the
> parsing-process, not even reporting an error.
>
> For demostration of the problem I wrote the following example-grammar:
>
> file : section1 section2?
> ;
>
> section1: 'Section1'
> ;
>
> section2: 'Section2'
> ;
>
> ID : ('a'..'z'|'A'..'Z')+
> ;
>
> SPACE : ' ' {$channel = HIDDEN;}
> ;
>
> Now using the input "Section1 bla Section2", I would expect the parser to
> stop at "bla", throw an UnwantedTokenException, do a SingleTokenDeletion as
> error-recovery and just continue parsing "Section2".
> What happens is that it stops at "bla", does not recognize it as section2
> and just terminates, leaving the two tokens unparsed and not reporting any
> error.
>
> So my question is: How can I avoid my parser doing stuff like that without
> changing my files' syntax?
>
>
> Thanks in advance
>
> Arne
>
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