Re: Re: Creating an experimental syntax

Dear Etienne Wauw did not know Backus–Naur Form before. That looks like a great first step. Thx for showing me that! Cheers Rune Kaagaard Denmark On 10/14/09, Etienne Kneuss <colder@php.net> wrote: > Hello, > > On Wed, Oct 14, 2009 at 1:37 PM, Etienne Kneuss <colder@php.net> wrote: >> Hello, >> >> one problem that immediately pops out is that you have a parsing >> ambiguity between an argument list and a concatenation of strings as a >> single argument. >> >> You should start by producing a BFN version of your desired grammar. >> Such errors should then be more apparent. > > *BNF > > > Also, the scala parser is quite complicated and some of its features > end up being quite tricky grammar-wise, porting scala-like grammars to > PHP would most likely require you to do major rewrites of the grammar, > I'd rather advise you to start with very small grammar changes. > > Best, >> >> Best, >> >> On Wed, Oct 14, 2009 at 1:15 PM, Rune Kaagaard <rumi.kg@gmail.com> wrote: >>> Dear internals >>> >>> I'm slowly getting to know more about bison and language parsing. A >>> new world for me. But progress is still slow. I have made an example >>> of the syntax I am looking to achieve at >>> http://code.google.com/p/php-alternative-syntax/ . If >>> any of you c >>> gurus could help me with the best method to attack the problem I would >>> be very grateful! >>> >>> Cheers >>> Rune Kaagaard >>> Denmark >>> >>> -- >>> PHP Internals - PHP Runtime Development Mailing List >>> To unsubscribe, visit: http://www.php.net/unsub.php >>> >>> >> >> >> >> -- >> Etienne Kneuss >> http://www.colder.ch >> > > > > -- > Etienne Kneuss > http://www.colder.ch >