[stringtemplate-interest] Defer definition of a parameter in a StringTemplate function

[Terence Parr]

I can suggest creating different id parameters, one for toplevel and one for lowlevel. then use <topid>_<lowid>.
Ter
On Jun 3, 2011, at 11:45 AM, Jose Juan Tapia wrote:

> So suppose I want to produce the following output with a Stringtemplate
> 
> <TopLevel id="T1">
>   <LowLevel id="T1_L1"/>
> </TopLevel>
> <TopLevel id="T2">
>   <LowLevel id="T2_L1"/>
>   <LowLevel id="T2_L2"/>
> </TopLevel>
> 
> 
> Right now my Stringtemplate grammar looks something like this
> 
> Root(id,topCollection)::<<
> <topCollection; separator="\n">
>>> 
> 
> Top(id,lowCollection)::<<
>  \<TopLevel id="T<id>"\>
>  <lowCollection; separator="\n">
> \</TopLevel\>
>>> 
> 
> Low(id)::=<<
> \<LowerLevel id="<id>"\/>
>>> 
> 
> With things being defined separately through an ANTLR grammar in a
> bottom up fashion. (So when all the LowLevel tags
> of a given TopLevel section are created, they are passed to the upper
> level of the grammar as an array of stringTemplates).
> 
> 
> My problem right now with this definition is doesn't manage the id's
> correctly at all. I was wondering if there was a way to defer the
> definition of the Low function id parameter and define it latter on
> StringTemplate itself , something like
> 
>   <topCollection(id="T<i>"); separator="\n">
> 
> <lowCollection(id="<id>_L<i>"; separator="\n">
> 
> 
> An alternative solution to this would be to manage all the indexing
> from ANTLR instead of using the <i> tag (which is what
> I'm doing right now), but I think using ANTLR for keeping the indexing
> would be messier (since there are several nested levels of indexing in
> my true grammar) so I was wondering if there was a way to do this with
> StringTemplate.
> 
> -- 
> José Juan Tapia Valenzuela
> Research Associate
> University of Pittsburgh
> 3076.1 Biological Sciences Tower 3
> Pittsburgh, Pa 15260
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