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Date: Tue, 4 Jan 2011 09:56:42 +0100
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To: Jon Davey <jond3k@gmail.com>
Cc: internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] Re: EBNF
From: rumi.kg@gmail.com (Rune Kaagaard)

> Having an EBNF would be useful in cases where we want to write
> something like Ruby's CoffeeScript. After looking at PHP's grammar
> file, it's about 1,000 lines long. Since this is used to generate the
> parser, isn't it possible to strip out the C macros to create an EBNF
> that catches all edge cases?

Not being sure at all, but I reckon a lot of those edge cases are
handled in the c macros and not in the plain "yacc"-style grammar
definition.