installed

src/libCom/misc/locationException.h

@@ -0,0 +1,75 @@
+
+//
+// $Id$
+//
+// Author: Jeff Hill
+//
+
+#ifndef locationException_h
+#define locationException_h
+
+#include <limits.h>
+#include <typeinfo>
+#include <iostream>
+
+#include "cantProceed.h"
+
+template <class T>
+class locationAndType : public T {
+public:
+    locationAndType (T &);
+    unsigned lineNumber () const;
+    const char *fileName () const;
+    const type_info & typeInfo () const;
+    void show (unsigned level) const;
+private:
+    unsigned lineNumberCopy;
+    const char *pFileName;
+};
+
+template <class T>
+inline locationAndType::locationAndType (T &tIn, const char *fileName, unsigned lineNumber) :
+    T (tIn) , lineNumberCopy(lineNumber), pFileName (fileName) {}
+
+template <class T>
+inline unsigned locationAndType::lineNumber () const
+{
+    return this->lineNumberCopy;
+}
+
+template <class T>
+inline const char * locationAndType::typeInfo () const
+{
+    return typeid (T);
+}
+
+template <class T>
+inline const char * locationAndType::lineNumber () const
+{
+    return this->lineNumberCopy;
+}
+
+template <class T>
+inline const char * locationAndType::show (unsigned level) const
+{
+    cerr    << "C++ exception=" << typeid(T).name()
+            << " in file=" << this->pFileName
+            << " at line=" << this->lineNumberCopy;
+}
+
+#define throwWithLocation (parm) throwExceptionWithLocation (parm, __FILE__, __LINE__);
+
+template <class T>
+inline void throwExceptionWithLocation (T &parm, const char *pFileName, unsigned lineNo)
+{
+    locationAndType<T> lat (parm, pFileName, lineNo);
+#   ifdef noExceptionsFromCXX
+        lat.show (UINT_MAX);
+        cantProceed ("No compiler support for C++ exception");
+#   else            
+        throw lat;
+#   endif
+}
+
+#endif // ifdef locationException_h
+