public static List <Token> getFactor(object item)
{
List <Token> tokens = new List <Token>();
try
{
Factor factor = (Factor)item;
try
{
tokens.Add((Token)factor.getTokensList()[0]);
}
catch
{
VaribleStatment varibleStatment = (VaribleStatment)factor.getTokensList()[0];
tokens.AddRange(addFactor(varibleStatment));
}
}
catch
{
try
{
MathOperator mathOperator = (MathOperator)item;
tokens.Add((Token)mathOperator.getTokensList()[0]);
}
catch
{
RelationalOperator relationalOperator = (RelationalOperator)item;
tokens.Add((Token)relationalOperator.getTokensList()[0]);
}
}
return(tokens);
}
public MathExpression(TokensList tokensList)
{
children.Add(new Factor(tokensList));
while (true)
{
Boolean isOperator = false;
MathOperator mathOperator = new MathOperator(tokensList, ref isOperator);
if (mathOperator.getTokensList().Count > 0)
{
children.Add(mathOperator);
}
if (isOperator)
{
children.Add(new Factor(tokensList));
}
else
{
break;
}
}
if (children.Count > 3)
{
Token token = tokensList.SeeToken();
throw new System.Exception("Line " + token.lineNo.ToString() + " too long math expression ");
}
}
public MathExpression(TokensList tokensList)
{
children.Add(new Factor(tokensList));
while (true)
{
Boolean isOperator = false;
MathOperator mathOperator = new MathOperator(tokensList, ref isOperator);
if (mathOperator.getTokensList().Count > 0)
{
children.Add(mathOperator);
}
if (isOperator)
{
children.Add(new Factor(tokensList));
}
else
{
break;
}
}
}
static public string visit(MathOperator mathOperator)
{
return(Constants.MATH_OPERATOR);
}
