Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:66584
Mailing-List: contact internals-help@lists.php.net; run by ezmlm
Received-SPF: pass (pb1.pair.com: domain gmail.com designates 74.125.82.175 as permitted sender)
Message-ID: <513DCBBF.8020809@gmail.com>
Date: Mon, 11 Mar 2013 13:19:11 +0100
User-Agent: Thunderbird
MIME-Version: 1.0
To: Eric James Michael Ritz <lobbyjones@gmail.com>
CC: internals@lists.php.net
References: <513DBDD4.3010804@gmail.com>
In-Reply-To: <513DBDD4.3010804@gmail.com>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Subject: Re: [PHP-DEV] Double-Colon Always Follows the 'parent' Keyword?
From: keisial@gmail.com (=?UTF-8?B?w4FuZ2VsIEdvbnrDoWxleg==?=)

On 11/03/13 12:19, Eric James Michael Ritz wrote:
> Hello everyone,
>
> I have a question about the internals of PHP, but this is not about
> advancing the development of the language, so I apologize if this is
> on the wrong list.  I am choosing to post to this list because I
> believe the people here are most qualified to answer my question.
>
> This is what I want to know: Is there any valid situation in PHP where
> the ‘parent’ keyword is not followed by the scope-resolution operator?
> I am asking to help me decide on the best way to fix a bug for
> php-mode[1] for GNU Emacs.  Consider these three lines:
>
>     echo $parent;
>     echo parent::$foo;
>     echo $this->parent;
>
> Emacs correctly highlights the first ‘parent’ as a variable name.  It
> also highlights ‘parent’ in the second line as a keyword, as it
> should.  But in the third line it treats ‘parent’ as a keyword instead
> of a variable and applies the wrong syntax formatting.
>
> My idea to fix this problem is to only treat ‘parent’ as a keyword if
> the scope-resolution operator immediately follows it.  But before
> doing that I want to know whether or not that is true.  So is there
> are valid situation where the keyword ‘parent’ does not have ‘::’
> after it?
>
> Thank you in advanced for any advice and help.

Hello Eric
Wouldn't it be simpler to check that parent if preceded by
whitespace/brackets?
Checking if it's followed by the paamayim nekudotayim, seems also ok.