OpenJDK parser internals

[Jonathan Gibbons]

On 09/25/2011 04:09 PM, Rémi Forax wrote:
>
>>>
>>> 3. Verbose exception handling approach - e.g. 
>>> .tools.javac.tree.Pretty - all
>>> the visitor methods wraps implementation in try-catch block though 
>>> it is
>>> sufficient to provide Pretty.print implementation that only wraps 
>>> out.write
>>> to try-catch block with throwing UncheckedIOException.
>
> No, you want printExpr to throw an IOException.
> Here the main problem is that the visitor is not written in a way that
> let propagate checked exception.
>   public class Visitor<E extends Exception> {
>     public void visit(JCAssert tree) throw E; 

That would be an interesting refactoring, if anyone wanted to try it.

-- Jon