4 Dec
2018
4 Dec
'18
2:46 a.m.
On Mo, 2018-12-03 at 15:20 -0500, Paul Winalski wrote:
Of course one can write a grammar for Fortran using a
formal system
such as BNF. It's just not going to be a well-behaved context-free
grammar such as one can do for C or Pascal, and you won't be able to
feed the grammar to lex and yacc, press a button, and have a compiler
pop out.
This in fact also isn't possible for C because of the "typedef problem".
See for example here:
http://eli.thegreenplace.net/2007/11/24/the-context-sensitivity-of-cs-gramm…
Hellwig