ParserATNSimulator.java 文件源码

/** If context sensitive parsing, we know it's ambiguity not conflict */
   protected void reportAmbiguity(@NotNull DFA dfa, DFAState D, int startIndex, int stopIndex,
                               boolean exact,
                               @Nullable BitSet ambigAlts,
                               @NotNull ATNConfigSet configs)
{
    if ( debug || retry_debug ) {
        Interval interval = Interval.of(startIndex, stopIndex);
        System.out.println("reportAmbiguity "+
                           ambigAlts+":"+configs+
                              ", input="+parser.getTokenStream().getText(interval));
       }
       if ( parser!=null ) parser.getErrorListenerDispatch().reportAmbiguity(parser, dfa, startIndex, stopIndex,
                                                                          exact, ambigAlts, configs);
   }