Official D Grammar

[Tobias Pankrath]

> I'm wondering if it's possibly to mechanically check that 
> what's in the grammar is how DMD behaves.

Take the grammar and (randomly) generate strings with it and 
check if DMD does complain. You'd need a parse only don't check 
semantics flag, though.

This will not check if the strings are parsed correctly by DMD 
nor if invalid strings are rejected. But it would be a start.