Mh, I am with you. I also do not understand backtracking in this situation ;)
Could anyone else explain it, please? Am 28.11.2011 15:18, schrieb franck102: > Christian wrote >> Hi, >> >> what is the error/exception message? >> >> Regards, >> Christian >> >> > MissingTokenException at the second '=', after parsing a=b.c as an > expression. The tail recursion on expr is causing it it seems, but that's a > real issue for me... here is a slightly modified version with the recursion > made explicit that has the same problem: > > program > : statement* EOF > ; > > statement > : ID '=' expr > | sep > ; > > expr : ID ( '.' expr )*; > > sep : ';' | '.'; > > -- > View this message in context: > http://antlr.1301665.n2.nabble.com/Confused-about-backtracking-tp7033712p7038881.html > Sent from the ANTLR mailing list archive at Nabble.com. > > List: http://www.antlr.org/mailman/listinfo/antlr-interest > Unsubscribe: > http://www.antlr.org/mailman/options/antlr-interest/your-email-address > List: http://www.antlr.org/mailman/listinfo/antlr-interest Unsubscribe: http://www.antlr.org/mailman/options/antlr-interest/your-email-address -- You received this message because you are subscribed to the Google Groups "il-antlr-interest" group. To post to this group, send email to il-antlr-inter...@googlegroups.com. To unsubscribe from this group, send email to il-antlr-interest+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/il-antlr-interest?hl=en.
