public void button_Equal_Click(object sender, EventArgs e)
{
Analaizer.expression = textBox_Expression.Text;
string res = string.Empty;
try
{
res = Analaizer.Estimate();
textBox_Result.Text = res;
textBox_Expression.Clear();
}
catch (CalcException ex)
{
switch (ex.ErrorCode)
{
case 2:
textBox_Result.Text = $"Error 02. Unknown operator at {ex.ErrorPos} position.";
break;
case 3:
textBox_Result.Text = "Error 03. Incorrect syntax construction of expression.";
break;
case 4:
textBox_Result.Text = $"Error 04. Two opeartors in a row at {ex.ErrorPos} position.";
break;
case 5:
textBox_Result.Text = "Error 05. Unfinished expression.";
break;
case 9:
textBox_Result.Text = "Error 09. Сannot be divided by zero.";
break;
}
}
}
public Form1(string exp)
{
InitializeComponent();
Analaizer.expression = exp;
string res = string.Empty;
try
{
res = Analaizer.Estimate();
textBox_Result.Text = res;
}
catch (CalcException ex)
{
switch (ex.ErrorCode)
{
case 2:
textBox_Result.Text = $"Error 02. Unknown operator at {ex.ErrorPos} position.";
break;
case 3:
textBox_Result.Text = "Error 03. Incorrect syntax construction of expression.";
break;
case 4:
textBox_Result.Text = $"Error 04. Two opeartors in a row at {ex.ErrorPos} position.";
break;
case 5:
textBox_Result.Text = "Error 05. Unfinished expression.";
break;
case 9:
textBox_Result.Text = "Error 09. Сannot be divided by zero.";
break;
}
}
}
private void button_Equals_Click(object sender, EventArgs e)
{
Analaizer.expression = textBox_Expression.Text;
textBox_Result.Text = Analaizer.Estimate();
}