Example #1
0
File: Parser.cs Project: TIRKIN/RDP
 private void Expacc()
 {
     _currentNode.AddChild(new ParseNode(ParseEnum.ExpressionAccent));
     _currentNode = _currentNode.GetChildren()[_currentNode.GetChildren().Count - 1];
     if (_current is AddSub)
     {
         _currentNode.AddChild(new ParseNode(ParseEnum.Operator, _current.GetValue()));
         if (!_lex.EndOfInput)
         {
             _current = _lex.GetNextToken();
         }
         Term();
         Expacc();
     }
     else if (_current is Equals)
     {
         _currentNode.AddChild(new ParseNode(ParseEnum.Equals));
         if (!_lex.EndOfInput)
         {
             _current = _lex.GetNextToken();
         }
         Expressie();
     }
     else
     {
         _currentNode.AddChild(new ParseNode(ParseEnum.Empty));
     }
     _currentNode = _currentNode.GetParent();
 }
Example #2
0
File: Parser.cs Project: TIRKIN/RDP
        public ParseNode Parse()
        {
            _current = _lex.GetNextToken();
            try
            {
                Expressie();
            }
            catch (MatchException me)
            {
                Console.WriteLine(me.Message);
            }

            return _start;
        }
Example #3
0
File: Parser.cs Project: TIRKIN/RDP
 private void Factor()
 {
     _currentNode.AddChild(new ParseNode(ParseEnum.Factor));
     _currentNode = _currentNode.GetChildren()[_currentNode.GetChildren().Count - 1];
     if (_current is OpenParenthesis)
     {
         _currentNode.AddChild(new ParseNode(ParseEnum.OpenParenthesis));
         _current = _lex.GetNextToken();
         Expressie();
         if (_current is CloseParenthesis)
         {
             _currentNode.AddChild(new ParseNode(ParseEnum.CloseParenthesis));
             if (!_lex.EndOfInput)
             {
                 _current = _lex.GetNextToken();
             }
         }
     }
     else if (_current is Variable)
     {
         _currentNode.AddChild(new ParseNode(ParseEnum.Variable, _current.GetValue()));
         if (!_lex.EndOfInput)
         {
             _current = _lex.GetNextToken();
         }
     }
     else if (_current is Number)
     {
         _currentNode.AddChild(new ParseNode(ParseEnum.Number, _current.GetValue()));
         if (!_lex.EndOfInput)
         {
             _current = _lex.GetNextToken();
         }
     }
     else
     {
         Console.WriteLine("Syntaxfout.");
         Stop();
     }
     _currentNode = _currentNode.GetParent();
 }
Example #4
0
File: Parser.cs Project: TIRKIN/RDP
 private void Termacc()
 {
     _currentNode.AddChild(new ParseNode(ParseEnum.TermAccent));
     _currentNode = _currentNode.GetChildren()[_currentNode.GetChildren().Count - 1];
     if (_current is Operator)
     {
         _currentNode.AddChild(new ParseNode(ParseEnum.Operator, _current.GetValue()));
         if (!_lex.EndOfInput)
         {
             _current = _lex.GetNextToken();
         }
         Factor();
         Termacc();
     }
     else
     {
         _currentNode.AddChild(new ParseNode(ParseEnum.Empty));
     }
     _currentNode = _currentNode.GetParent();
 }