code: public final void mWS() throws RecognitionException {
  		try {
  			int _type = WS;
  			int _channel = DEFAULT_TOKEN_CHANNEL;
  			// druidG.g:669:2: ( ( ' ' | '\\t' | NEWLINE )+ )
  			// druidG.g:669:4: ( ' ' | '\\t' | NEWLINE )+
  			{
  			// druidG.g:669:4: ( ' ' | '\\t' | NEWLINE )+
  			int cnt37=0;
  			loop37:
  			while (true) {
  				int alt37=4;
  				switch ( input.LA(1) ) {
  				case ' ':
  					{
  					alt37=1;
  					}
  					break;
  				case '\t':
  					{
  					alt37=2;
  					}
  					break;
  				case '\n':
  				case '\r':
  					{
  					alt37=3;
  					}
  					break;
  				}
  				switch (alt37) {
  				case 1 :
  					// druidG.g:669:5: ' '
  					{
  					match(' '); 
  					}
  					break;
  				case 2 :
  					// druidG.g:669:11: '\\t'
  					{
  					match('\t'); 
  					}
  					break;
  				case 3 :
  					// druidG.g:669:18: NEWLINE
  					{
  					mNEWLINE(); 
  
  					}
  					break;
  
  				default :
  					if ( cnt37 >= 1 ) break loop37;
  					EarlyExitException eee = new EarlyExitException(37, input);
  					throw eee;
  				}
  				cnt37++;
  			}
  
  			}
  
  			state.type = _type;
  			state.channel = _channel;
  		}
  		finally {
  			// do for sure before leaving
  		}
  	}
docs: $ANTLR start "WS"