lazycat.manatee: > Hi all, > > I'm research to build a hot-swap Haskell program to developing itself in > Runtime, like Emacs. > > Essentially, Yi/Xmonad/dyre solution is "replace currently executing" > technology: > > re-compile new code with new binary entry > > when re-compile success > $ do > save state before re-launch new entry > replace current entry with new binary entry (executeFile) > store state after re-launch new entry > > There are some problems with re-compile solution: > > 1) You can't save *all* state with some FFI code, such as gtk2hs, you > can't save state of GTK+ widget. You will lost some state after > re-launch new entry. > > 2) Sometimes re-execute is un-acceptable, example, you running some command > in temrinal before you re-compile, you need re-execute command to > restore state after re-launch, in this situation re-execute command is > un-acceptable. > > I wonder have a better way that hot-swapping new code without > re-compile/reboot. >
Well, the other approach to reloadable modules, using either object code plugins, or bytecode plugins, giving you module-level granularity. -- Don _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
