added tokenizing of MW scripts

components/compiler/exception.hpp

@@ -0,0 +1,32 @@
+#ifndef COMPILER_EXCEPTION_H_INCLUDED
+#define COMPILER_EXCEPTION_H_INCLUDED
+
+#include <exception>
+
+namespace Compiler
+{
+    /// \brief Exception: Error while parsing the source
+
+    class SourceException : public std::exception
+    {
+            virtual const char *what() const throw() { return "compile error";} 
+            ///< Return error message
+    };
+
+    /// \brief Exception: File error
+
+    class FileException
+    {
+            virtual const char *what() const throw() { return "can't read file"; }
+            ///< Return error message
+    };
+
+    /// \brief Exception: EOF condition encountered
+
+    class EOFException
+    {
            virtual const char *what() const throw() { return "end of file"; }
+            ///< Return error message
+    };
+}
+
+#endif