Agreed. The TypeOracle (actually there are many TypeOracles) indexes, AST references, JProgram indexes, after optimization, etc etc, are extensive and complex. Updating them in place when swapping out the AST for a particular Type would be very tricky and failure prone.
On Wed, Aug 21, 2013 at 2:09 PM, John A. Tamplin <j...@jaet.org> wrote: > On Wed, Aug 21, 2013 at 11:34 AM, Stephen Haberman < > step...@exigencecorp.com> wrote: > >> AFAIK, historically most of the optimizations around "incremental" >> compiles have always required going back to building ResourceOracle, >> TypeOracle from scratch, but speeding it up with caching. >> > > The problem is let's say you change file A. How do you know what all > needs to be updated in TypeOracle? I am sure you can keep track of it, but > it will require keeping much more data than is currently kept so you can > incrementally update TypeOracle's data structures. For example, let's say > you remove an interface from a class. Even if you walk down the > inheritance tree, you can't just remove that interface, because some other > ancestor might have implemented it. The same sort of thing goes in many > other places. > > Note that TypeOracle memory requirements has been a problem in the past > for large internal apps. > > -- > John A. Tamplin > > -- > http://groups.google.com/group/Google-Web-Toolkit-Contributors > --- > You received this message because you are subscribed to the Google Groups > "GWT Contributors" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to google-web-toolkit-contributors+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. > -- http://groups.google.com/group/Google-Web-Toolkit-Contributors --- You received this message because you are subscribed to the Google Groups "GWT Contributors" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-web-toolkit-contributors+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
