[antlr-interest] newbie problems

[Anders Hessellund]

Thanks,

that did the trick (although I am not entirely sure how).

-- Anders

2007/6/23, Gevik Babakhani <gevik at xs4all.nl>:
>
>  Hi,
>
>
>
> Here is a fix for your grammar. These things are well explained in the
> ANTLR book.
>
>
>
> grammar Test;
>
>
>
> site    :  page+
>
>             ;
>
>
>
> page    :            'PAGE' ID
>
>             ;
>
>
>
> ID         :           LETTER+
>
>             ;
>
>
>
> TEXT    :    LETTER ( LETTER )*
>
>             ;
>
>
>
> LETTER            :           'a'..'z'|'A'..'Z'
>
>             ;
>
>
>
>
>
> WS       :           (' ' | '\t' | '\r' | '\n')+ {$channel=HIDDEN;}
>
>             ;
>
>
>
>
>  ------------------------------
>
> *From:* antlr-interest-bounces at antlr.org [mailto:
> antlr-interest-bounces at antlr.org] *On Behalf Of *Anders Hessellund
> *Sent:* Saturday, June 23, 2007 12:50 PM
> *To:* antlr
> *Subject:* [antlr-interest] newbie problems
>
>
>
> Hi,
>
> I am sorry about the newbie question but neither google nor this list
> seems to have any obvious answers to my question :)
>
> I have just started with antlr by defining this little grammar:
>
> grammar Web;
>
> site    :    page+
>     ;
>
> page    :    'PAGE' ID
>     ;
>
> ID    :    LETTER+
>     ;
>
> TEXT    :    LETTER ( LETTER | WS )*
>     ;
>
> LETTER    :    'a'..'z'|'A'..'Z'
>     ;
>
> NEWLINE    :    '\r'? '\n'
>     ;
>
> WS    :    (' ' | '\t' | '\n' | '\r' )+ { skip(); }
>     ;
>
>
> Then I generate my lexer and parser tools and feed them the follow input
> file
>
>
>
> PAGE helloWorld
>
>
> I get the following strange error. Could someone please explain why??
>
> line 0:-1 required (...)+ loop did not match anything at input '<EOF>'
>
>
>
> -- Anders
>
>
>
>
>
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