[antlr-interest] How to match variables with reserved words in it?

[David-Sarah Hopwood]

Natan wrote:
> Hi,
> 
> I have a grammar like this :
> 
> tokens {
>      ERROR = 'error';
>      IF = 'if';
>      ELSE = 'else';
> }
> 
> ...
> 
> variableAssignment
>      :  variable '=' expression
>      ;
> 
> variable
>      :  '$' ID
>      ;
> 
> errorStatement
>      :    ERROR STRING
>      ;
> 
> ...
> 
> ID
>      :    ('a' .. 'z' | 'A' .. 'Z' | '_') ( 'a' .. 'z' | 'A' .. 'Z' | 
> '0' .. '9' | '_' )*
>      ;
> 
> 
> As you can see, variables are like in Perl with $ in front of them. 
> Everything works fine until I try to call a variable "$error" or "$if".

Variable should be a lexer rule.

-- 
David-Sarah Hopwood  ⚥  http://davidsarah.livejournal.com

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