How do I find the arity of an Expression? (dmd hacking)

Chad J chadjoan at __spam.is.bad__gmail.com
Mon Nov 30 10:32:41 PST 2009


Ellery Newcomer wrote:
> On 11/30/2009 03:53 AM, Ary Borenszweig wrote:
>> Chad J wrote:
>>> Given an Expression object in dmd, I'd like to know how many
>>> subexpressions it contains and, even better, iterate over them. I'd
>>> like to do this in a general way, without having to create cases for all
>>> of the different kinds of Expressions. Is there some way to do this
>>> that I've been missing?
>>>
>>> Thanks,
>>> - Chad
>>
>> Where's the Expression object defined in D? I don't think there's such a
>> thing (I mean, a reflection capability to get an expression out of
>> something).
> 
> DMD source, eg parse.c, expression.c, etc

Right.  That.


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