[antlr-interest] Re: A question about extracting comments
Brian Smith
brian-l-smith at uiowa.edu
Fri Oct 11 10:32:31 PDT 2002
Put "rem" into the lexer's tokens table. That is the technique I use.
Fan Yang wrote:
> Hi,
>
> Thank you very much for your response.
>
> I have already tried to use k=4 for 4 characters look ahead. But it
> didn't work; it still gave me the following warning.
>
> warning: lexical nondeterminism between rules COMMENT and IDENT upon
> MyVB.g:0: k==1:'r'
> MyVB.g:0: k==2:'0'..'9','_','a'..'z'
> MyVB.g:0: k==3:<end-of-token>,'0'..'9','_','a'..'z'
> MyVB.g:0: k==4:<end-of-token>,'0'..'9','_','a'..'z'
>
> Is it possible to put "rem" into literal table(I know it's possible
> for parser not for lexer)? because I have given the options
> {testLiterals=true;} for IDENT. or someway else?
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