[ragel-users] Re: Parsing indented structures (again)

Adrian Thurston thurs... at cs.queensu.ca
Thu Oct 4 22:15:29 UTC 2007

Hi Jonathan,

Not currently. This is something I'd like to add to 6.0.


namelessjon wrote:
> Hi Adrian
> It works now, so thanks for the solution (and so quickly). :)
> I could tell it wasn't being called, since at one point I had printf
> statements in amongst the various actions.  I just couldn't think
> why.  It hadn't occurred to me that the scanner action was yanking it
> away before that point. In hindsight it was a little obvious.
> Is it possible to embed an action in another? As in:
> 'ina:' double_on_line => {term;array[0] = atof(buffer);};
> I am assuming not, as I can't find it in the manual. It would just be
> a little neater than the if statements I have now in all the actions,
> but ...
> Thanks,
> Jonathan.
> On Oct 2, 11:32 pm, Adrian Thurston <thurs... at cs.queensu.ca> wrote:
>> I recognize that this situation, where actions fail to execute without
>> warning, is not optimal.
>> -Adrian
>> Adrian Thurston wrote:
>>> Hi Jonathan,
>>> The problem is that leaving actions embedded in the final state of a
>>> scanner pattern action are not executed. In this case it is %term from
>>> double that is not executed.
>>> To solve this lift the term action up into the scanner pattern action.
>>> -Adrian
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