Пример #1
0
            static Productions()
            {
                Expr = NonTerminals.Expr;
                ExprTail = NonTerminals.ExprTail;
                Term = NonTerminals.Term;
                TermTail = NonTerminals.TermTail;
                Factor = NonTerminals.Factor;

                Expr.Add(NonTerminals.Term + NonTerminals.ExprTail);

                ExprTail.Add(("+" + NonTerminals.Term + NonTerminals.ExprTail)
                            | ("-" + NonTerminals.Term + NonTerminals.ExprTail)
                            | (Terminal.Epsilon)
                            );

                Term.Add(NonTerminals.Factor + NonTerminals.TermTail);

                TermTail.Add(("*" + NonTerminals.Factor + NonTerminals.TermTail)
                            | ("/" + NonTerminals.Factor + NonTerminals.TermTail)
                            | (Terminal.Epsilon)
                            );

                Factor.Add("(" + NonTerminals.Expr + ")")
                      .Add(Terminals.Number);
            }
Пример #2
0
            static Productions()
            {
                S = NonTerminals.S;
                E = NonTerminals.E;
                A = NonTerminals.A;
                B = NonTerminals.B;

                S.Add(NonTerminals.E);
                E.Add("+" + NonTerminals.A + "*" + NonTerminals.B + "(");
                A.Add(NonTerminals.A + "-").Add("-");
                B.Add("/");
            }
Пример #3
0
            static Productions()
            {
                S = NonTerminals.S;
                E = NonTerminals.E;
                T = NonTerminals.T;
                F = NonTerminals.F;

                S.Add(NonTerminals.E);

                E.Add(NonTerminals.E + "+" + NonTerminals.T)
                    .Add(NonTerminals.E + "-" + NonTerminals.T)
                    .Add(NonTerminals.T);

                T.Add(NonTerminals.T + "*" + NonTerminals.F)
                    .Add(NonTerminals.T + "/" + NonTerminals.F)
                    .Add(NonTerminals.F);

                F.Add("(" + NonTerminals.E + ")")
                 .Add(Terminals.Number);
            }