upd: add except

src/main.cpp

@@ -39,7 +39,26 @@ int main(int argc, char *argv[])
   Python3Parser parser(&tokens);
   tree::ParseTree *tree = parser.file_input();
   EvalVisitor visitor;
-  visitor.visit(tree);
+  try
+  {
+    visitor.visit(tree);
+  }
+  catch (const InterpretException &e)
+  {
+    std::cerr << "[Interpret Error] " << e.what() << std::endl;
+  }
+  catch (const FatalError &e)
+  {
+    std::cerr << "\e[7m\e[31m[Fatal Error] " << e.what() << "\e[0m" << std::endl;
+  }
+  catch (const std::exception &e)
+  {
+    std::cerr << "\e[7m\e[31m[other std::exception] " << e.what() << "\e[0m" << std::endl;
+  }
+  catch (...)
+  {
+    std::cerr << "\e[7m\e[31m[Unknown Exception]\e[0m" << std::endl;
+  }
   delete input_p;
   return 0;
 }