private OperatorExpressionNode RelationalOperation(string expression)
{
OperatorExpressionNode node = null;
if (Same(expression, Token.TokenType.LessThan))
{
node = new LessThanExpressionNode();
}
else if (Same(expression, Token.TokenType.GreaterThan))
{
node = new GreaterThanExpressionNode();
}
else if (Same(expression, Token.TokenType.LessThanOrEqualTo))
{
node = new LessThanOrEqualExpressionNode();
}
else if (Same(expression, Token.TokenType.GreaterThanOrEqualTo))
{
node = new GreaterThanOrEqualExpressionNode();
}
else if (Same(expression, Token.TokenType.EqualTo))
{
node = new EqualExpressionNode();
}
else if (Same(expression, Token.TokenType.NotEqualTo))
{
node = new NotEqualExpressionNode();
}
return(node);
}
private OperatorExpressionNode RelationalOperation(string expression)
{
OperatorExpressionNode node = null;
if (Same(expression, Token.TokenType.LessThan))
{
node = new LessThanExpressionNode();
}
else if (Same(expression, Token.TokenType.GreaterThan))
{
node = new GreaterThanExpressionNode();
}
else if (Same(expression, Token.TokenType.LessThanOrEqualTo))
{
node = new LessThanOrEqualExpressionNode();
}
else if (Same(expression, Token.TokenType.GreaterThanOrEqualTo))
{
node = new GreaterThanOrEqualExpressionNode();
}
else if (Same(expression, Token.TokenType.EqualTo))
{
node = new EqualExpressionNode();
}
else if (Same(expression, Token.TokenType.NotEqualTo))
{
node = new NotEqualExpressionNode();
}
return node;
}