On Mon, 14 Mar 2016 10:05:42 +0000 Tom Hacohen <t...@osg.samsung.com> wrote:
> On 11/03/16 20:54, David Seikel wrote: > > On Fri, 11 Mar 2016 12:28:19 +0000 Tom Hacohen <t...@osg.samsung.com> > > wrote: > > > >> On 09/03/16 16:23, Tom Hacohen wrote: > >>> On 03/03/16 10:22, Tom Hacohen wrote: > >>>> On 01/03/16 09:05, Tom Hacohen wrote: > >>>>> Hey, > >>>>> > >>>>> The Eo syntax is going to be changing once more, and this time, > >>>>> I really think/hope it'll be the last time. We plan on > >>>>> stabilizing Eo and all of the functions on top of it in the > >>>>> next few months, so that doesn't leave us much more time to > >>>>> change it again. :) > >>>>> > >>>>> These changes will remove the need for the eo_do family of > >>>>> functions. Functions will now look like normal C functions > >>>>> (which they are). There are many benefits to that, and we have > >>>>> many cool new ideas. > >>>>> > >>>>> For more info: https://phab.enlightenment.org/w/eo/ > >>>>> > >>>>> I'm sending this email as an head's up, as I'll be starting to > >>>>> work on migrating to the new Eo syntax (and implementing it) > >>>>> today. Felipe and I have actually already started (needed to for > >>>>> the PoC), but I plan on pushing my changes to master soon. > >>>>> > >>>>> If you have any issues/suggestions/comments with the proposal, > >>>>> please let me know, either in pm, irc or just here. > >>>>> > >>>> > >>>> Changes are in! I still haven't migrated eo_add to the new syntax > >>>> (it uses a non portable gcc extension in the meanwhile), but > >>>> otherwise everything is in. Took me *much* less time than I > >>>> thought it would, so yay. :P > >>>> > >>>> I decided to push it now instead of letting it rest in my branch > >>>> for a while because literally every hour that passed introduced > >>>> more merge conflicts for me, so the benefits from stabilising it > >>>> more in my branch were diminished by the new conflicts and issues > >>>> that could arise. > >>>> > >>>> If you have an application that uses the Eo api, you can use my > >>>> script https://devs.enlightenment.org/~tasn/migrate_eo.py to > >>>> migrate your code. When using the script you should keep two > >>>> things in mind: 1. You are only allowed to run it *once* per > >>>> source code, because the changes to eo_add() would otherwise > >>>> accumulate and your code will be wrong. If you need to correct > >>>> something you've done wrong, reset the code to the previous state > >>>> and run the script again on the original code. 2. The migration > >>>> script is not perfect. In particular it can't deal with some > >>>> corner cases like: eo_do(obj, a_set(1), > >>>> /* b_set(2), > >>>> g_set(4), */ > >>>> c_set(2)); > >>>> Or abominations like: > >>>> eo_do(obj, if (a_get()) > >>>> do_something()); > >>>> > >>>> So please be aware of that and *manually* review your changes > >>>> after the script has run. > >>>> > >>>> If your code does have these cases, I recommend you either get > >>>> rid of them, or manually migrate that code before running the > >>>> script (remove the relevant eo_do). > >>>> > >>>> Follow the wiki page mentioned in the previous email for more > >>>> information about Eo and what else needs changing. > >>>> > >>>> Please let me know about any regressions (there shouldn't be any) > >>>> or any issues you may face. > >>> > >>> I'm now pushing my changes to eo_add. I'm pushing it now for the > >>> same reason I pushed the previous changes in. > >>> > >>> I created a new script that assumes the code has already been > >>> migrated with the previous (migrate_eo.py) script. This script is > >>> called migrate_eo_add.py and can be found at: > >>> https://devs.enlightenment.org/~tasn/migrate_eo_add.py > >>> > >>> When using the script you should keep two things in mind: > >>> 1. You are only allowed to run it *once* per source code, because > >>> the changes to eo_add() would otherwise accumulate and your code > >>> will be wrong. If you need to correct something you've done wrong, > >>> reset the code to the previous state and run the script again on > >>> the original code. 2. The migration script is not perfect. In > >>> particular it can't deal with cases like missing {} for > >>> if/for/while content so for example, > >>> > >>> if () > >>> return eo_add(...) > >>> > >>> would break. > >>> 3. If you are fancy and use the same variable inside eo_add and > >>> outside, for example like: > >>> parent = eo_add(CLASS, parent); > >>> > >>> your code will break. I suggest you use a temporary variable. > >>> > >>> So please be aware of that and *manually* review your changes > >>> after the script has run. > >>> > >>> If your code does have these cases, I recommend you either get rid > >>> of them, or manually migrate that code before running the script > >>> (remove the relevant eo_do). > >>> > >>> > >>> > >>> Sorry, but C++ will break until the C++ guys fix it. I'm now in > >>> the process of migrating the rest of our applications. Hopefully > >>> this will be the last disruption of this sort. > >>> > >> > >> Good news! I came up with a way to sanely support the old syntax > >> (was discussed on the ML in this thread in my mail on the 10/3 at > >> 11:52 UTC. > >> > >> I'm reverting my changes, and will be pushing everything shortly. > > > > So right now isn't a good time to be updating EFL from git I guess? > > It doesn't matter as long as you keep elm in sync and don't use the > Eo api in your pet projects. :) I do use Eo API in my pet project though. :-P Actually, it's all experimental, which is why I'm using things like Eo and Evas_3D in the first place. I did end up updating the lot from git, EFL, Elm, and Enlightenment, etc. Now terminology doesn't work. Oh well, I can live with some other terminal until it gets fixed. -- A big old stinking pile of genius that no one wants coz there are too many silver coated monkeys in the world.
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