[antlr-interest] ambiguous grammar???

Blue Doze bluedoze+antlr at gmail.com
Wed Oct 7 17:23:22 PDT 2009


More clarification to the rules
the math_forumla will be on the LHS, e.g. for the syntax

"variable_name" = "&array[2]"
where the variable_name shall be a STRING, and the &array[2] shall be an
expression.


On Wed, Oct 7, 2009 at 4:42 PM, Blue Doze
<bluedoze+antlr at gmail.com<bluedoze%2Bantlr at gmail.com>
> wrote:

> Hi,
>
> I have a couple of rules that I don't know how to make them not ambiguous
>
> First rule is:
> STRING_LITERAL
>     :  '"' ( EscapeSequence | ~('\\'|'"') )* '"'
>     ;
>
>
> The second one is:
>
> math_formula :  '"' expression '"' ;
>
> The expression rule is similar to C expression rule.
>
> Appreciate any help.
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