Initial import of the CDE 2.1.30 sources from the Open Group.

cde/programs/dtinfo/mmdb/dti_excs/test28.C

@@ -0,0 +1,82 @@
+// $XConsortium: test28.cc /main/3 1996/06/11 16:54:19 cde-hal $
+#include <stdio.h>
+#include "Exceptions.hh"
+#include <signal.h>
+
+void
+catch_abort (int, ...)
+{
+  puts ("Abort (core not dumped)");
+  // Exit normally so Purify can report.
+  exit (1);
+}
+
+class ErrorString : public Exception
+{
+public:
+  DECLARE_EXCEPTION (ErrorString, Exception);
+
+  ErrorString (char *s)
+    { msg = s; }
+  char *msg;
+};
+
+class BogusError : public ErrorString
+{
+public:
+  DECLARE_EXCEPTION (BogusError, ErrorString);
+  BogusError (char *msg, int b)
+    : ErrorString (msg), bogusity (b)
+    { }
+  int bogusity;
+};
+
+
+void
+do_something()
+{
+  try
+    {
+      throw (ErrorString ("<error message from do_something>"));
+    }
+  // Catch the more general exception first -- a definite mistake. 
+  catch (Exception &,e)
+    {
+      puts ("Caught in do_something, rethrowing.");
+      rethrow;
+    }
+  catch (ErrorString &,e)
+    {
+      puts ("This will never be printed.");
+    }
+  end_try;
+}
+
+
+int
+main()
+{
+  INIT_EXCEPTIONS();
+
+  puts ("Testing mult-depth throws of different exceptions.");
+
+#ifdef MUST_EXIT
+  signal (SIGABRT, catch_abort);
+#endif
+
+  try
+    {
+      do_something();
+    }
+  // Do it right in this section. 
+  catch (ErrorString &,e)
+    {
+      puts ("Caught exception back in main.");
+      puts (e.msg);
+    }
+  catch (Exception &,e)
+    {
+      puts ("This will never be printed.");
+    }
+  end_try;
+}