Calc: syntax error on unrecognized token

examples/calc/parser.cpp

@@ -27,8 +27,8 @@ Parser::Token Parser::lex() {
             return { calcParser_Symbol::T_EOF, nullptr };
         }
         catch (CalcLexer::NoMatch) {
-            std::cerr << "Syntax error: unrecognized token" << std::endl;
             m_lex.skip(1);
+            return { calcParser_Symbol::V_error, nullptr }; //Somewhat dependent on the generated code, but this should always give an error
         }
     }
 }