[Devel] exporting pseudo variables

[Klaus Darilion]

Daniel-Constantin Mierla wrote:
> Hello,
> 
> On 04/28/2006 12:07 PM, Klaus Darilion wrote:
> 
>> Klaus Darilion wrote:
>>
>>> Hi!
>>>
>>> I'm studying how to export pseudo variables.
>>>
>>> In tm.c there is this code:
>>>
>>>         if(xl_add_extra("T_branch_idx", it_get_tm_branch_idx, 100 )!=0)
>>
>>
>> btw: what means type=100 ?
> 
> that is an integer ID for each pseudovariable, which helps to identify 
> it (for some you cannot rely on the function, since several 
> pseudo-variables use same function with different parameters). For 
> example, it is used to check if the parameters of some functions are 
> only AVP specifiers, when required.

Not sure if I got it right. When the T_branch_idx pseudo variable is 
accessd, the function it_get_tm_branch_idx will called. Inside this 
function - is it possible to retrieve the type (100)?

klaus

> 
> For extra pseudo-variable, this number is added to XL_ITEM_EXTRA, to 
> avoid overlapping with the standard types. This number has importance 
> only if you plan to use it inside the module, otherwise you can add any 
> value there. If you set it to 0, then XL_ITEM_EXTRA will be used.
> 
> Cheers,
> Daniel
> 
>>
>> regards
>> klaus
>>
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