Example #1
0
 internal void Complete()
 {
     if (_nodeStack.Count != 0)
     {
         StackNode data = (StackNode)_nodeStack.Pop();
         throw ParserException.ParenNotMatch(data.charPushed);
     }
     _nodeStack = null;
     // fix null
     if (_root.Expression == null)
     {
         if (_root.OperandCount == 0)
         {
             _root = null;
         }
         else if (_root.OperandCount > 1)
         {
             throw ParserException.InternalError();
         }
         else
         {
             _root         = (ExprNode)_root.Operands[0];
             _root._parent = null;
         }
     }
 }
Example #2
0
        internal void Pop(char ch)
        {
            _isStart = false;
            if (_nodeStack.Count == 0)
            {
                if (ch == ',')
                {
                    throw ParserException.NoParenBefore("'( or ']'");
                }
                else
                {
                    throw ParserException.NoParenBefore(ch.ToString());
                }
            }

            StackNode data = (StackNode)_nodeStack.Pop();

            if (ch != ',' && data.charPushed != ',')
            {
                if (ch != data.charPushed)
                {
                    throw ParserException.ParenNotMatch(ch);
                }
            }
            if (this._root.Expression == null)
            {
                if (this._root.OperandCount > 0)
                {
                    foreach (ExprNode node in this._root.Operands)
                    {
                        node._parent = data.top;
                    }
                    data.top.Operands.AddRange(this._root.Operands);
                }
            }
            else
            {
                data.top.Add(this._root);
            }
            this._root = data.root;
            this._top  = data.top;
        }