/**
* Create an error diagnostic
*
* @param source The source of the compilation unit, if any, in which to report the error.
* @param pos The source position at which to report the error.
* @param errorKey The key for the localized error message.
*/
public JCDiagnostic error(
DiagnosticFlag flag, DiagnosticSource source, DiagnosticPosition pos, Error errorKey) {
JCDiagnostic diag = create(null, EnumSet.copyOf(defaultErrorFlags), source, pos, errorKey);
if (flag != null) {
diag.setFlag(flag);
}
return diag;
}
