[stringtemplate-interest] Finding Attribute Names

[Terence Parr]

well, I believe the grammar must pull out the names but they might get away with something sneaky with maps or toString or something.  I don't think i have anything available.  see the todebugstring stuff i think. it tries to walk to find them all.

Ter
On Dec 13, 2010, at 3:51 AM, Omer Anson wrote:

> Hello,
> 
> I am writing a tool in Java, in which the user submits a template to
> be filled in later. Since I do not trust said user, I cannot trust him
> to provide me with all the attributes that appear in the template.
> 
> My question is this:
> Is it possible, using StringTemplate and Java, to retrieve all the
> attribute names in the template?
> 
> For instance, if I have the template:
> $if (greeting)$ $greeting$ $target$
> $else$ No greeting :(
> $endif$
> 
> Is there a method that will return {greeting, target}? Is there a
> workaround to do this without reviewing the ASTExpr objects?
> 
> Thank you
> Omer Anson.
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