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Access AST generated by JDT at build time [message #509967]

Mon, 25 January 2010 17:21

Eclipse User

Hi all,

I am faced with a problem that i can't seem to solve on my own. I want to generate some xmls out of the ASTs created by the JDT from java files and for that I have created a compilation participant and i have overridden the buildFinished method.
Problem is that, for me to get my hands on the AST of a compilation unit I have to reparse that unit. Is there any way to receive from JDT the ASTs generated at build time? It seems such a big waste of time to regenerate them....
Any ideas?

Thanks,
Andrei Serea

Re: Access AST generated by JDT at build time [message #509997 is a reply to message #509967]

Mon, 25 January 2010 23:33

Eclipse User

Le 2010-01-25 17:21, Andrei Serea a écrit :
> I am faced with a problem that i can't seem to solve on my own. I want
> to generate some xmls out of the ASTs created by the JDT from java files
> and for that I have created a compilation participant and i have
> overridden the buildFinished method.
> Problem is that, for me to get my hands on the AST of a compilation unit
> I have to reparse that unit. Is there any way to receive from JDT the
> ASTs generated at build time? It seems such a big waste of time to
> regenerate them....
> Any ideas?
The compiler uses its own AST tree. So you would need to create the
DOM/AST anyway. It is only if you are listening to reconcile operation
that you can retrieve the AST.
Are you requesting bindings when you parse again the unit ?
--
Olivier

Re: Access AST generated by JDT at build time [message #510084 is a reply to message #509997]

Tue, 26 January 2010 09:06

Eclipse User

OK, now I understand. The jdt compiler uses a different ast.
No, i'm not requesting bindings so the penalty is not that big. But even so,it would have been a shame to miss any chance of improvement...so I asked.

Thanks!

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