exception class fix

components/compiler/exception.hpp

@@ -15,7 +15,7 @@ namespace Compiler
 
     /// \brief Exception: File error
 
-    class FileException
+    class FileException : public SourceException
     {
             virtual const char *what() const throw() { return "can't read file"; }
             ///< Return error message
@@ -23,7 +23,7 @@ namespace Compiler
 
     /// \brief Exception: EOF condition encountered
 
-    class EOFException
+    class EOFException : public SourceException
     {
            virtual const char *what() const throw() { return "end of file"; }
             ///< Return error message
     };