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Date: Mon, 16 Feb 2015 15:36:59 +0400
Message-ID: <CA+9eiLti7MAv5WSJtxNP-GdBqCfkyTph+CgqvYv8R67ZHZ5g4w@mail.gmail.com>
To: Cesar Rodas <cesar@rodas.me>
Cc: PHP Internals <internals@lists.php.net>
Content-Type: multipart/alternative; boundary=047d7b3a8cd010706c050f330142
Subject: Re: [PHP-DEV] Re: Annotations in PHP7
From: dmitry@zend.com (Dmitry Stogov)

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yes. like it was proposed at
https://wiki.php.net/rfc/reflection_doccomment_annotations#list_of_methods_=
to_implement

Thanks. Dmitry.

On Mon, Feb 16, 2015 at 2:34 PM, Cesar Rodas <cesar@rodas.me> wrote:

>
> On 16/02/15 12:32, Dmitry Stogov wrote:
>
>  you already have doc-block. nothing should be done in PHP core, but you
> have to parse it yourself.
>  The goal of annotations is to provide standard and powerful way.
>  On the other hand standard PHP expression syntax may be not enough for
> all cases.
>
>
> Agreed on that. I just thought it could be wise parse natively what is
> already out there. Anyways adapt our DocBlock annotation parsers to parse
> both (native PHP annotations and docblocks) shouldn't be that hard either=
.
>
> As far as I see annotations are supposed to be accessed through
> reflections right? Or will it do something automatically as in Python?
>
> Cheers,
>
>
>
>  Thanks. Dmitry.
>
> On Mon, Feb 16, 2015 at 2:22 PM, Cesar Rodas <cesar@rodas.me> wrote:
>
>>
>> On 16/02/15 12:19, Dmitry Stogov wrote:
>> > I decided to explain the proposed annotation syntax "in words" to avoi=
d
>> > misunderstanding
>> >
>> > annotations ::=3D { annotation }.
>> > annotation   ::=3D '<' STRING '>' | '<' STRING '(' expr ')' '>'.
>> >
>> > where <expr> is regular PHP expression.
>> Why not doc-block annotations? So it can be parse/understand that is
>> already there (Doctrine annotations for instance).
>>
>> >
>> > Thanks. Dmitry.
>> >
>> >
>> > On Mon, Feb 16, 2015 at 2:07 PM, Dmitry Stogov <dmitry@zend.com> wrote=
:
>> >
>> >> hi,
>> >>
>> >> During discussion of different ways of implementing "Design by
>> Contract"
>> >> we got an idea of using annotations.
>> >>
>> >> BTW: annotations are useful by their own and may be used for differen=
t
>> >> purposes. Support for annotations was proposed long time ago:
>> >>
>> >> https://wiki.php.net/rfc/annotations
>> >> https://wiki.php.net/rfc/annotations-in-docblock
>> >> https://wiki.php.net/rfc/reflection_doccomment_annotations
>> >>
>> >> HHVM already implemented similar concept
>> >>
>> >> http://docs.hhvm.com/manual/en/hack.attributes.php
>> >>
>> >> I made a quick and dirty PoC that shows how we may implement
>> annotations
>> >> in PHP7 and how powerful they may be :
>> >> https://gist.github.com/dstogov/dbf2a8f46e43719bd2c2
>> >>
>> >> The test there is self explainable. Of course, annotations just
>> provide a
>> >> way to add metadata, but doesn't define attribute names or the ways
>> they
>> >> are going to be used. Only Reflection API to read.
>> >>
>> >> There are still a lot of technical problems that have to be solved.
>> >> Right now, we just need to answer a question - if we like this in PHP=
7?
>> >> Thought and opinions are welcome...
>> >>
>> >> Thanks. Dmitry.
>> >>
>>
>>  --
>> C=C3=A9sar D. Rodas
>> Open Source developer
>> +595-983-161124
>> PGP: F9ED A265 A3AB C8A1 D145 7368 158A 0336 C707 0AA6
>>
>>
>>
>
> --
> C=C3=A9sar D. Rodas
> Open Source developer
> +595-983-161124
> PGP: F9ED A265 A3AB C8A1 D145 7368 158A 0336 C707 0AA6
>
>

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