docs: public final void mNUMFLOAT() throws RecognitionException {
          try {
              int _type = NUMFLOAT;
              int _channel = DEFAULT_TOKEN_CHANNEL;
              // com/dyuproject/protostuff/parser/ProtoLexer.g:244:5: ( NUMINT '.' ( '0' .. '9' )+ ( 'f' )? )
              // com/dyuproject/protostuff/parser/ProtoLexer.g:244:9: NUMINT '.' ( '0' .. '9' )+ ( 'f' )?
              {
              mNUMINT(); 
              match('.'); 
              // com/dyuproject/protostuff/parser/ProtoLexer.g:244:20: ( '0' .. '9' )+
              int cnt5=0;
              loop5:
              do {
                  int alt5=2;
                  switch ( input.LA(1) ) {
                  case '0':
                  case '1':
                  case '2':
                  case '3':
                  case '4':
                  case '5':
                  case '6':
                  case '7':
                  case '8':
                  case '9':
                      {
                      alt5=1;
                      }
                      break;
  
                  }
  
                  switch (alt5) {
              	case 1 :
              	    // com/dyuproject/protostuff/parser/ProtoLexer.g:244:20: '0' .. '9'
              	    {
              	    matchRange('0','9'); 
  
              	    }
              	    break;
  
              	default :
              	    if ( cnt5 >= 1 ) break loop5;
                          EarlyExitException eee =
                              new EarlyExitException(5, input);
                          throw eee;
                  }
                  cnt5++;
              } while (true);
  
              // com/dyuproject/protostuff/parser/ProtoLexer.g:244:30: ( 'f' )?
              int alt6=2;
              switch ( input.LA(1) ) {
                  case 'f':
                      {
                      alt6=1;
                      }
                      break;
              }
  
              switch (alt6) {
                  case 1 :
                      // com/dyuproject/protostuff/parser/ProtoLexer.g:244:30: 'f'
                      {
                      match('f'); 
  
                      }
                      break;
  
              }
  
  
              }
  
              state.type = _type;
              state.channel = _channel;
          }
          finally {
          }
      }