// Runs the specified Go source code in the context of 'w' func runScript(w *eval.World, path, sourceCode string) error { var err error var code eval.Code fileSet := token.NewFileSet() fileSet.AddFile(path, fileSet.Base(), len(sourceCode)) code, err = w.Compile(fileSet, sourceCode) if err != nil { str := strings.Replace(err.Error(), "input", path, 1) return errors.New(str) } _, err = code.Run() if err != nil { return err } return nil }