[fpc-pascal] BNF grammar for fpc

[Florian Klaempfl]

Marco van de Voort schrieb:
> In our previous episode, J�rgen Hestermann said:
>>> There is not even a proper open one for Delphi. At least there wasn't till a
>>> while back.
>> That may be because it is no longer possible to write a BNF grammar for 
>> these compilers due to the c-style extensions.
> 
> Odd that there are grammers for C and C++ then, and they have no problem :-)
> Please don't grab any random other thread to make your point.
> 
> The reason is probably more because Wirthian languages traditionally use
> recursive descent parsers.

gcc as well for several years simply because a recursive descent parser
is faster than one generated automatically from a BNF grammar.