type.java

中山大学编译原理课程的一个实验

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package symbols;

/**
 * Used to indentify different terminals and non-terminals
 * @author Beeven
 */
public class Type {
    public final static int
            Expr=300,
            ArithExpr=301,
            BoolExpr=302,
            UnaryFunc=303,
            VariablFunc=304,
            ArithExprList=305;
    public final static int         // used for looking up in the OPP table.
            num = 0,
            bool = 1,
            addminus=2,
            muldiv=3,
            neg=4,
            power=5,
            func=6,
            lp=7,
            comma=8,
            rp=9,
            relation=10,
            not=11,
            and=12,
            or=13,
            qm=14,
            colon=15,
            dollar=16;
}