Re: rule cycle and reduce/reduce conflict

>bool_expr : '!' bool_expr > | num_expr '=' num_expr > | 'b' > ; > >num_expr : bool_expr > | 'n' > ; Yes, this is ambiguous. If your input is "!b=n", it can't tell which of these you mean: ! ( b = n ) (!b) = n R's, John __

rule cycle and reduce/reduce conflict

Hi all, I am new to bison and would need your kind help to understand why the following (stupid) simple grammar is ambiguous: %left '!' %left '=' %% start : bool_expr ; bool_expr : '!' bool_expr | num_expr '=' num_expr | 'b' ; num_expr : bool_expr | 'n'

Re: Generated file has non-UTF-8 characters

Le 16 nov. 2013 à 20:33, Arthur Schwarz a écrit : > Bison 2.7.1 > > Hi Akim; Hi Arthur, Please, keep the CC so that answer remain public. > Thanks for the reply. The error occurs in yyerror() below. The code for > yyerror() is from bison's skeleton. No, it is not. It typically comes from