On 16/02/15 12:19, Dmitry Stogov wrote:
> I decided to explain the proposed annotation syntax "in words" to avoid
> misunderstanding
>
> annotations ::= { annotation }.
> annotation ::= '<' 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 <dmi...@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 different >> 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 PHP7? >> Thought and opinions are welcome... >> >> Thanks. Dmitry. >> -- César D. Rodas Open Source developer +595-983-161124 PGP: F9ED A265 A3AB C8A1 D145 7368 158A 0336 C707 0AA6
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