BackendReport = object of ReportBase
  msg*: string
  usedCompiler*: string
  case kind*: ReportKind
  of rbackCannotWriteScript, rbackProducedAssembly, rbackCannotWriteMappingFile:
      filename*: string

  of rbackTargetNotSupported:
      requestedTarget*: string

  of rbackJsonScriptMismatch:
      jsonScriptParams*: tuple[outputCurrent, output, jsonFile: string]

  of rbackVmFileWriteFailed:
      outFilename*: string
      failureMsg*: string    ## string rep of the ``RodFileError``, so that
                             ## ``rodfiles`` doesn't need to be imported here
    
  else:
      nil

  

func severity(report: BackendReport): ReportSeverity {....raises: [], tags: [].}