sclass LASCompileResult {
  settable S script;
  settable GazelleV_LeftArrowScriptParser parser;
  settable Throwable compileError;
  /*settable broken*/ GazelleV_LeftArrowScript.Script parsedScript;
  RunResultWithTimestamps compileLog;

  toString {
    if (compileError != null) ret errorToString();
    if (parsedScript == null) ret "Not compiled yet";
    ret "Compiled OK" + (compileLog == null ? ""
      : " in " + n2(max(1, compileLog.duration().toMillis())) + " ms";
  }
  
  bool hasError() { ret compileError != null; }
  
  S errorToString() {
    ret exceptionToStringShorter_dontDropOuterExceptions(compileError);
  }
  
  bool runnable() { ret parsedScript != null; }

  void compile() {  
    compileLog = runResultWithTimestamps_dontPrintStackTrace(-> {
      if (parser == null)
        parser = makeParser();
      ret parsedScript = parser.parse(script);
    });
      
    if (compileLog.isError()) {
      var e = compileLog.getError();
      compileError(e);
    }
  }
  
  GazelleV_LeftArrowScript.Script parsedScript aka get() { ret parsedScript; }
  
  GazelleV_LeftArrowScript.Script parsedScriptMandatory() {
    if (compileError != null) fail(compileError);
    ret parsedScript;
  }
  
  swappable GazelleV_LeftArrowScriptParser makeParser() { null; }
  
  LineAndColumn errorLineAndCol() {
    ret parseLineAndColumn(str(compileError));
  }
}