Le 28 juin 2012 à 14:51, Timothy Madden a écrit : > On 06/28/2012 10:09 AM, Akim Demaille wrote: >>> > On the other hand, I could not get GLR with C++ yet… >> I have it working, but it's based on horrible hacks. And >> I really mean horrible. If PHP in itself does not need it, >> I would avoid it. >> > > That is what I was afraid of.
So why don't you give a try to what I proposed? > I see the real php parser (from php source code) does not have a %glr > directive, but it does have %expect 3, and I know php has the dangling > elseif/else problem. Can a language with this issue be written in a LALR(1) > grammar ? Yes, it can, which is obviously the case of php. I suspect your question is rather "can this conflict be explicitly solved instead of relying on the shift precedence in s/r conflicts". Yes again, give a higher precedence to the else token than the if-then rule. Or declare "%right if else". _______________________________________________ help-bison@gnu.org https://lists.gnu.org/mailman/listinfo/help-bison
