%left OR %left AND ............................ %% ............................ predicate: predicate OR predicate { $$ = new AST_PredicateTreeNode($1, $3, AST_PredicateTreeNode::OR) ; REGISTER_AST_NODE($$) ; } | predicate AND predicate { $$ = new AST_PredicateTreeNode($1, $3, AST_PredicateTreeNode::AND) ; REGISTER_AST_NODE($$) ; } | LEFT_PARENTHESIS predicate RIGHT_PARENTHESIS { $$ = $2 ; } ;
THE ERROR REPORT: state 54 17 predicate: predicate . OR predicate [END_OF_COMMAND, RIGHT_PARENTHESIS, OR] 17 | predicate OR predicate . [END_OF_COMMAND, RIGHT_PARENTHESIS, OR] 18 | predicate . AND predicate AND shift, and go to state 40 $default reduce using rule 17 (predicate) Conflict between rule 17 and token OR resolved as reduce (%left OR). Conflict between rule 17 and token AND resolved as shift (OR < AND). _______________________________________________ help-bison@gnu.org http://lists.gnu.org/mailman/listinfo/help-bison