[stringtemplate-interest] Indirect attribute lookup

[Terence Parr]

Hi Roman, i don't think there's a way to ask for the internal hashmap  
containing the args...we need a this.(foo) I think.
Ter
On Sep 6, 2008, at 2:14 AM, Roman Odaisky wrote:

> Greetings,
>
> I’ve discovered this code in language/ASTExpr.py:
>
>        # Special case: if it's a template, pull property from
>        # it's attribute table.
>        # TODO: TJP just asked himself why we can't do inherited attr  
> here?
>        elif isinstance(o, stringtemplate3.StringTemplate):
>            attributes = o.attributes
>            if attributes:
>                if attributes.has_key(propertyName): # prevent  
> KeyError...
>                    value = attributes[propertyName]
>                else:
>                    value = None
>
> However, I was unsuccessful in trying to refer to the template from  
> within
> itself, neither did outer ::= inner(...) and $outer.(expr)$ help.
>
> How can I refer to a template argument indirectly by having an  
> expression
> which evaluates to its name?
>
> P. S. The Python code above is identical to:
>
> elif ...:
>    value = o.attributes and o.attributes.get(propertyName)
>
> -- 
> TIA
> Roman.
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