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Date: Mon, 29 Apr 2013 09:25:59 +0200
Message-ID: <CAPaKmRkDXRSwgXYzkPThqZ6-XrbOuZPSFUUDoN_QdU-Bs2_GxQ@mail.gmail.com>
To: Camilo Sperberg <unreal4u@gmail.com>
Cc: Julien Pauli <jpauli@php.net>, Ferenc Kovacs <tyra3l@gmail.com>, 
	PHP Internals <internals@lists.php.net>, Patrick Schaaf <php@bof.de>
Content-Type: multipart/alternative; boundary=001a11c24ed419738204db7acd73
Subject: Re: [PHP-DEV] Continued try blocks
From: amaury@amaury.net (Amaury Bouchard)

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Why not. But it will come in addition to "resume", not instead of it.
Then:
- "resume" => continue execution just after the point where the exception
was raised.
- "restart" => restart the whole try block.

I don't understand the meaning of your "rollback".


2013/4/29 Camilo Sperberg <unreal4u@gmail.com>

>
> On Apr 28, 2013, at 17:27, Julien Pauli <jpauli@php.net> wrote:
>
> > On Sat, Apr 27, 2013 at 3:56 PM, Amaury Bouchard <amaury@amaury.net>
> wrote:
> >
> >> 2013/4/27 Ferenc Kovacs <tyra3l@gmail.com>
> >>
> >>> please don't reuse the continue keyword for it.
> >>>
> >>> There are a bunch of code out there where which uses exceptions in a
> loop
> >>> context.
> >>> For example you have a retry counter decremented in a loop and you
> catch
> >>> the exceptions and retry until the retry limit is reached.
> >>>
> >> Fair enough. We can use "resume".
> >>
> >
> > "continue" is just a keyword (syntactic sugar) we sure can change, I like
> > "resume" yes :-)
> >
> > Julien.Pauli
>
> And how about a restart instead of resume? I have used try catch blocks as
> a type of transactional block, so I think it would be nice if I could
> restart the entire block instead of resuming from the last point where it
> failed:
>
> $blue = 'blue';
> try {
>     $data = a($blue);
>     b($data); // This throws the dataIntegrityException
>     c();
> } catch (dataIntegrityException $e) {
>     $blue = 'is the new red';
>     restart; // executes a(), b() and c() again
> } catch (Exception $e) {
>     rollback();
> }
>
> Greetings.

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