lang tools : how to get "TypeElement" for a local variable

[Mayuresh]

Jon, Thanks.

I tried and figured out from code that many such elements are built post 
annotation processing. Unfortunately plugging in custom code to access these 
structures seems to be feasible only in annotation processing phase.

Is there any way (using published interface as far as possible) to either 
invoke building of these elements prior to/during annotation processing or 
alternatively accessing them after they have been built?

Mayuresh.

> Jonathan Gibbons <Jonathan.Gibbons at Sun.COM>
> Sent by: Jonathan.Gibbons at Sun.COM
> 11/09/2008 21:25 PST
>
>  To   mayuresh at acm.org
>  cc   compiler-dev at openjdk.java.net
>  bcc  
>  Subject   Re: lang tools : how to get "TypeElement" for a local variable
>   
>
> I would guess the most likely cause is that you are asking for the info
> before it has been evaluated.  The TypeElements for the members
> and methods are determined fairly early; the TypeElements for the
> local variables is determined much later, when the containing
> method is being analyzed prior to being code generated.
>
> -- Jon
>
> On Nov 9, 2008, at 9:29 AM, Mayuresh wrote:
> > Hi
> >
> > I was exploring the syntax tree exposed by Compiler API using
> > TreePathScanner
> > based visitor.
> >
> > I am trying to get the "TypeElement" for a variable declaration to
> > extract
> > qualified type of the variable etc.
> >
> > I am using Trees.getElement() to get the TypeElement to which I pass
> > current
> > path at a VariableTree node.
> >
> > I can get the Element for member or method parameter declaration
> > though for
> > local variables Element returned is null.
> >
> > Is this a bug? Is there some other way to get TypeElement?
> >
> > Mayuresh.
>
> ForwardSourceID:NT00026412
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