[gnat] reuse of ASTs already constructed

[Oliver Kellogg]

On 2009-05-04, at 07:36 +0200, Oliver Kellogg wrote:
> Robert Dewar wrote:
> > 
> > >>>> How about not doing the name expansion in-place but rather
> > >>>> storing the expanded name in an extra node field?
> > 
> > You could have a separate vector for expanded names I suppose ...
> 
> So be it. I will change the code to not overwrite the Name field
> with the expanded name but rather store the expanded name in a
> data structure separate from the Node.
> 

Luckily, this change was limited to the Exp_Dbug package body.
FYI I am appending the diff.
The new Q_E_Name array holds the Name_Id for the expanded name
of a given entity. The implementation as a fixed array is
preliminary and I would appreciate suggestions on a better
data structure to use.

Oliver


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