[antlr-interest] Having trouble with creating a parser for my desired grammar. Running afoul of multiple alternatives warnings

[Bart Kiers]

On Wed, Nov 16, 2011 at 8:38 PM, Bart Kiers <bkiers at gmail.com> wrote:

> Hi,
>
> On Wed, Nov 16, 2011 at 8:21 PM, Jarrod Roberson <jarrod at vertigrated.com>wrote:
>
>>
>> actually thanks to Bart I need the FLOAT rule as a parser rule with the
>> predicate because I want to be able to match
>
>
> But John raises a valid point that I didn't mention: by "promoting" such a
> rule to a parser rule, you run the risk that the parser matches a `number`
> rule for the input source: "123   .   5" (spaces around the '.') because
> the parser ignores the white spaces.
>

Or even the input: "123 /* some comments */ . /* more comments */ 5" would
be a valid `number`... :)