Exemple #1
0
        PluralFormsNode RelationalExpression()
        {
            PluralFormsNode p = MultiplicativeExpression();

            if (p == null)
            {
                return(null);
            }
            PluralFormsNode n = p;

            if (Token.TokenType == PluralFormsToken.Type.Greater ||
                Token.TokenType == PluralFormsToken.Type.Less ||
                Token.TokenType == PluralFormsToken.Type.GreaterOrEqual ||
                Token.TokenType == PluralFormsToken.Type.LessOrEqual)
            {
                PluralFormsNode qn = new PluralFormsNode(new PluralFormsToken(Token));
                if (!NextToken())
                {
                    return(null);
                }
                p = MultiplicativeExpression();
                if (p == null)
                {
                    return(null);
                }
                qn.SetNode(1, p);
                qn.SetNode(0, n);
                return(qn);
            }
            return(n);
        }
Exemple #2
0
        PluralFormsNode MultiplicativeExpression()
        {
            PluralFormsNode p = PmExpression();

            if (p == null)
            {
                return(null);
            }
            PluralFormsNode n = p;

            if (Token.TokenType == PluralFormsToken.Type.Reminder)
            {
                PluralFormsNode qn = new PluralFormsNode(new PluralFormsToken(Token));
                if (!NextToken())
                {
                    return(null);
                }
                p = PmExpression();
                if (p == null)
                {
                    return(null);
                }
                qn.SetNode(1, p);
                qn.SetNode(0, n);
                return(qn);
            }
            return(n);
        }
Exemple #3
0
        PluralFormsNode EqualityExpression()
        {
            PluralFormsNode p = RelationalExpression();

            if (p == null)
            {
                return(null);
            }
            PluralFormsNode n = p;

            if (Token.TokenType == PluralFormsToken.Type.Equal || Token.TokenType == PluralFormsToken.Type.NotEqual)
            {
                PluralFormsNode qn = new PluralFormsNode(new PluralFormsToken(Token));
                if (!NextToken())
                {
                    return(null);
                }
                p = RelationalExpression();
                if (p == null)
                {
                    return(null);
                }
                qn.SetNode(1, p);
                qn.SetNode(0, n);
                return(qn);
            }
            return(n);
        }
Exemple #4
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        PluralFormsNode Expression()
        {
            PluralFormsNode p = LogicalOrExpression();

            if (p == null)
            {
                return(null);
            }
            PluralFormsNode n = p;

            if (Token.TokenType == PluralFormsToken.Type.Question)
            {
                PluralFormsNode qn = new PluralFormsNode(new PluralFormsToken(Token));
                if (!NextToken())
                {
                    return(null);
                }
                p = Expression();
                if (p == null)
                {
                    return(null);
                }
                qn.SetNode(1, p);
                if (Token.TokenType != PluralFormsToken.Type.Colon)
                {
                    return(null);
                }
                if (!NextToken())
                {
                    return(null);
                }
                p = Expression();
                if (p == null)
                {
                    return(null);
                }
                qn.SetNode(2, p);
                qn.SetNode(0, n);
                return(qn);
            }
            return(n);
        }
Exemple #5
0
        PluralFormsNode LogicalAndExpression()
        {
            PluralFormsNode p = EqualityExpression();

            if (p == null)
            {
                return(null);
            }
            PluralFormsNode ln = p;             // left

            if (Token.TokenType == PluralFormsToken.Type.LogicalAnd)
            {
                PluralFormsNode un = new PluralFormsNode(new PluralFormsToken(Token));                 // up
                if (!NextToken())
                {
                    return(null);
                }
                p = LogicalAndExpression();
                if (p == null)
                {
                    return(null);
                }
                PluralFormsNode rn = p;                 // right
                if (rn.Token.TokenType == PluralFormsToken.Type.LogicalAnd)
                {
                    // transform 1 && (2 && 3) -> (1 && 2) && 3
                    //     u                  r
                    // l       r     ->   u      3
                    //       2   3      l   2
                    un.SetNode(0, ln);
                    un.SetNode(1, rn.ReleaseNode(0));
                    rn.SetNode(0, un);
                    return(rn);
                }

                un.SetNode(0, ln);
                un.SetNode(1, rn);
                return(un);
            }
            return(ln);
        }
Exemple #6
0
        PluralFormsNode LogicalOrExpression()
        {
            PluralFormsNode p = LogicalAndExpression();

            if (p == null)
            {
                return(null);
            }
            PluralFormsNode ln = p;

            if (Token.TokenType == PluralFormsToken.Type.LogicalOr)
            {
                PluralFormsNode un = new PluralFormsNode(new PluralFormsToken(Token));
                if (!NextToken())
                {
                    return(null);
                }
                p = LogicalOrExpression();
                if (p == null)
                {
                    return(null);
                }
                PluralFormsNode rn = p;                 // right
                if (rn.Token.TokenType == PluralFormsToken.Type.LogicalOr)
                {
                    // see logicalAndExpression comment
                    un.SetNode(0, ln);
                    un.SetNode(1, rn.ReleaseNode(0));
                    rn.SetNode(0, un);
                    return(rn);
                }

                un.SetNode(0, ln);
                un.SetNode(1, rn);
                return(un);
            }
            return(ln);
        }
Exemple #7
0
 PluralFormsNode RelationalExpression()
 {
     PluralFormsNode p = MultiplicativeExpression();
     if (p == null)
         return null;
     PluralFormsNode n = p;
     if (Token.TokenType == PluralFormsToken.Type.Greater
         || Token.TokenType == PluralFormsToken.Type.Less
         || Token.TokenType == PluralFormsToken.Type.GreaterOrEqual
         || Token.TokenType == PluralFormsToken.Type.LessOrEqual) {
         PluralFormsNode qn = new PluralFormsNode(new PluralFormsToken(Token));
         if (! NextToken()) {
             return null;
         }
         p = MultiplicativeExpression();
         if (p == null) {
             return null;
         }
         qn.SetNode(1, p);
         qn.SetNode(0, n);
         return qn;
     }
     return n;
 }
Exemple #8
0
 PluralFormsNode MultiplicativeExpression()
 {
     PluralFormsNode p = PmExpression();
     if (p == null) {
         return null;
     }
     PluralFormsNode n = p;
     if (Token.TokenType == PluralFormsToken.Type.Reminder) {
         PluralFormsNode qn = new PluralFormsNode(new PluralFormsToken(Token));
         if (! NextToken()) {
             return null;
         }
         p = PmExpression();
         if (p == null) {
             return null;
         }
         qn.SetNode(1, p);
         qn.SetNode(0, n);
         return qn;
     }
     return n;
 }
Exemple #9
0
        PluralFormsNode LogicalOrExpression()
        {
            PluralFormsNode p = LogicalAndExpression();
            if (p == null)
                return null;
            PluralFormsNode ln = p;
            if (Token.TokenType == PluralFormsToken.Type.LogicalOr) {
                PluralFormsNode un = new PluralFormsNode(new PluralFormsToken(Token));
                if (! NextToken()) {
                    return null;
                }
                p = LogicalOrExpression();
                if (p == null) {
                    return null;
                }
                PluralFormsNode rn = p; // right
                if (rn.Token.TokenType == PluralFormsToken.Type.LogicalOr) {
                    // see logicalAndExpression comment
                    un.SetNode(0, ln);
                    un.SetNode(1, rn.ReleaseNode(0));
                    rn.SetNode(0, un);
                    return rn;
                }

                un.SetNode(0, ln);
                un.SetNode(1, rn);
                return un;
            }
            return ln;
        }
Exemple #10
0
        PluralFormsNode LogicalAndExpression()
        {
            PluralFormsNode p = EqualityExpression();
            if (p == null)
                return null;
            PluralFormsNode ln = p; // left
            if (Token.TokenType == PluralFormsToken.Type.LogicalAnd) {
                PluralFormsNode un = new PluralFormsNode(new PluralFormsToken(Token)); // up
                if (! NextToken()) {
                    return null;
                }
                p = LogicalAndExpression();
                if (p == null) {
                    return null;
                }
                PluralFormsNode rn = p; // right
                if (rn.Token.TokenType == PluralFormsToken.Type.LogicalAnd) {
                    // transform 1 && (2 && 3) -> (1 && 2) && 3
                    //     u                  r
                    // l       r     ->   u      3
                    //       2   3      l   2
                    un.SetNode(0, ln);
                    un.SetNode(1, rn.ReleaseNode(0));
                    rn.SetNode(0, un);
                    return rn;
                }

                un.SetNode(0, ln);
                un.SetNode(1, rn);
                return un;
            }
            return ln;
        }
Exemple #11
0
 PluralFormsNode Expression()
 {
     PluralFormsNode p = LogicalOrExpression();
     if (p == null)
         return null;
     PluralFormsNode n = p;
     if (Token.TokenType == PluralFormsToken.Type.Question) {
         PluralFormsNode qn = new PluralFormsNode(new PluralFormsToken(Token));
         if (! NextToken()) {
             return null;
         }
         p = Expression();
         if (p == null) {
             return null;
         }
         qn.SetNode(1, p);
         if (Token.TokenType != PluralFormsToken.Type.Colon) {
             return null;
         }
         if (! NextToken()) {
             return null;
         }
         p = Expression();
         if (p == null) {
             return null;
         }
         qn.SetNode(2, p);
         qn.SetNode(0, n);
         return qn;
     }
     return n;
 }
Exemple #12
0
 PluralFormsNode EqualityExpression()
 {
     PluralFormsNode p = RelationalExpression();
     if (p == null)
         return null;
     PluralFormsNode n = p;
     if (Token.TokenType == PluralFormsToken.Type.Equal || Token.TokenType == PluralFormsToken.Type.NotEqual) {
         PluralFormsNode qn = new PluralFormsNode(new PluralFormsToken(Token));
         if (! NextToken()) {
             return null;
         }
         p = RelationalExpression();
         if (p == null) {
             return null;
         }
         qn.SetNode(1, p);
         qn.SetNode(0, n);
         return qn;
     }
     return n;
 }