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--- c:c_exception_handling [2017/10/12 10:17] – peter
+++ c:c_exception_handling [2020/07/15 09:30] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
 ====== C - C++ Exception Handling ======
-<code cpp>
+[[C - C++ Exception Handling:bad_alloc Exceptions|bad_alloc Exceptions]]
-#include <iostream>
-using namespace std;
-int main()
-{
-  cout << "Start\n";
-  try {
-    cout << "Inside try block\n";
-    throw 1;                          // throw an error
-    cout << "This will not execute";
-  }
-  catch (int i) {                     // catch an error
-    cout << "Caught an exception -- value is: ";
-    cout << i << "\n";
-  }
-  cout << "End";
-  return 0;
-}
-</code>
+[[C - C++ Exception Handling:Class Exceptions|Class Exceptions]]
+[[C - C++ Exception Handling:Derived Class Exceptions|Derived Class Exceptions]]
-===== Multiple catch blocks =====
+[[C - C++ Exception Handling:Exceptions|Exceptions]]
-<code cpp>
+[[C - C++ Exception Handling:Multiple catch blocks|Multiple catch blocks]]
-#include <iostream.h>
-int main ()
-{
-  try
-  {
-    char * mystring;
-    mystring = new char [10];
-    if (mystring == NULL)
+[[C - C++ Exception Handling:Standard Exceptions|Standard Exceptions]]
-       throw "Allocation failure";
-    for (int n=0; n<=100; n++)
-    {
-      if (n>9)
-         throw n;
-      mystring[n]='a';
+[[C - C++ Exception Handling:Throwing Exceptions|Throwing Exceptions]]
-    }
-  }
-  catch (int i)
-  {
-    cout << "index " << i << " is out of range" << endl;
-  }
-  catch (char * str)
-  {
-    cout << "Exception: " << str << endl;
-  }
-  return 0;
-}
-</code>
+[[C - C++ Exception Handling:Throwing Types|Throwing Types]]
-===== Class exceptions =====
-<code cpp>
-#include <iostream>
-#include <cstring>
-using namespace std;
-class forgetcode
-{
-public:
-  char Error[80];
-  forgetcode() {
-    cout<<"Error has occured";
-  }
-  void display()
-  {
-    cout<<"\nPlease Enter a positve number";
-  }
-};
-int main()
-{
-  int i;
-  try {
-    cout << "Enter a positive number: ";
-    cin>>i;
-    if(i<0)
-      throw forgetcode();
-    else
-      cout<<"\nThe entered number is "<<i;
-  }
-  catch (forgetcode f) {
-    f.display();
-  }
-  return 0;
-}
-</code>