Capturing both parsing-stage and evaluation-stage errors to see how ErrorLocation behaves differently.

ID: 321

See: Error = [ErrorInfo], Location = [int] 
				
					using uCalcSoftware;

var uc = new uCalc();

static void MyErrorHandler(Handle_uCalc h) {
   var uc = new uCalc(h);
   Console.WriteLine("--- Error Captured ---");
   Console.WriteLine($"Message: {uc.Error.Message}");
   Console.WriteLine($"Symbol: '{uc.Error.Symbol}'");
   Console.WriteLine($"Location: {uc.Error.Location}");
   Console.WriteLine($"Expression: '{uc.Error.Expression}'");
}


uc.Error.AddHandler(MyErrorHandler);

Console.WriteLine("Demonstrating a PARSING error:");
uc.EvalStr("123//456");

Console.WriteLine("");
Console.WriteLine("Demonstrating an EVALUATION error:");
uc.Error.TrapOnDivideByZero = true;
uc.EvalStr("5/0");
				
			
Demonstrating a PARSING error:
--- Error Captured ---
Message: Syntax error
Symbol: '/'
Location: 3
Expression: '123//456'

Demonstrating an EVALUATION error:
--- Error Captured ---
Message: Division by 0
Symbol: ''
Location: 0
Expression: ''
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					#include <iostream>
#include "uCalc.h"

using namespace std;
using namespace uCalcSoftware;

void ucalc_call MyErrorHandler(Handle_uCalc h) {
   auto uc = uCalc(h);
   cout << "--- Error Captured ---" << endl;
   cout << "Message: " << uc.Error().Message() << endl;
   cout << "Symbol: '" << uc.Error().Symbol() << "'" << endl;
   cout << "Location: " << uc.Error().Location() << endl;
   cout << "Expression: '" << uc.Error().Expression() << "'" << endl;
}

int main() {
   uCalc uc;
   uc.Error().AddHandler(MyErrorHandler);

   cout << "Demonstrating a PARSING error:" << endl;
   uc.EvalStr("123//456");

   cout << "" << endl;
   cout << "Demonstrating an EVALUATION error:" << endl;
   uc.Error().TrapOnDivideByZero(true);
   uc.EvalStr("5/0");
}
				
			
Demonstrating a PARSING error:
--- Error Captured ---
Message: Syntax error
Symbol: '/'
Location: 3
Expression: '123//456'

Demonstrating an EVALUATION error:
--- Error Captured ---
Message: Division by 0
Symbol: ''
Location: 0
Expression: ''
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					Imports System
Imports uCalcSoftware
Public Module Program
   
   Public Sub MyErrorHandler(ByVal h As Handle_uCalc)
      Dim uc As New uCalc(h)
      Console.WriteLine("--- Error Captured ---")
      Console.WriteLine($"Message: {uc.Error.Message}")
      Console.WriteLine($"Symbol: '{uc.Error.Symbol}'")
      Console.WriteLine($"Location: {uc.Error.Location}")
      Console.WriteLine($"Expression: '{uc.Error.Expression}'")
   End Sub
   
   Public Sub Main()
      Dim uc As New uCalc()
      uc.Error.AddHandler(AddressOf MyErrorHandler)
      
      Console.WriteLine("Demonstrating a PARSING error:")
      uc.EvalStr("123//456")
      
      Console.WriteLine("")
      Console.WriteLine("Demonstrating an EVALUATION error:")
      uc.Error.TrapOnDivideByZero = true
      uc.EvalStr("5/0")
   End Sub
End Module
				
			
Demonstrating a PARSING error:
--- Error Captured ---
Message: Syntax error
Symbol: '/'
Location: 3
Expression: '123//456'

Demonstrating an EVALUATION error:
--- Error Captured ---
Message: Division by 0
Symbol: ''
Location: 0
Expression: ''
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