public final LittleNicParser.blockStmt_return blockStmt() throws RecognitionException {
		LittleNicParser.blockStmt_return retval = new LittleNicParser.blockStmt_return();
		retval.start = input.LT(1);

		CommonTree root_0 = null;

		Token string_literal60=null;
		Token string_literal62=null;
		ParserRuleReturnScope stmtList61 =null;

		CommonTree string_literal60_tree=null;
		CommonTree string_literal62_tree=null;
		RewriteRuleTokenStream stream_40=new RewriteRuleTokenStream(adaptor,"token 40");
		RewriteRuleTokenStream stream_37=new RewriteRuleTokenStream(adaptor,"token 37");
		RewriteRuleSubtreeStream stream_stmtList=new RewriteRuleSubtreeStream(adaptor,"rule stmtList");

		try {
			// C:\\Users\\Samir\\Documents\\University\\Y2S2\\COMP2010\\LittleNic\\src\\LittleNic.g:117:2: ( 'BEGIN' ( stmtList )? 'END' -> ^( BLOCK ( stmtList )? ) )
			// C:\\Users\\Samir\\Documents\\University\\Y2S2\\COMP2010\\LittleNic\\src\\LittleNic.g:117:4: 'BEGIN' ( stmtList )? 'END'
			{
			string_literal60=(Token)match(input,37,FOLLOW_37_in_blockStmt497);  
			stream_37.add(string_literal60);

			// C:\\Users\\Samir\\Documents\\University\\Y2S2\\COMP2010\\LittleNic\\src\\LittleNic.g:117:12: ( stmtList )?
			int alt15=2;
			int LA15_0 = input.LA(1);
			if ( (LA15_0==ID||LA15_0==37||(LA15_0 >= 42 && LA15_0 <= 43)||LA15_0==48) ) {
				alt15=1;
			}
			switch (alt15) {
				case 1 :
					// C:\\Users\\Samir\\Documents\\University\\Y2S2\\COMP2010\\LittleNic\\src\\LittleNic.g:117:12: stmtList
					{
					pushFollow(FOLLOW_stmtList_in_blockStmt499);
					stmtList61=stmtList();
					state._fsp--;

					stream_stmtList.add(stmtList61.getTree());
					}
					break;

			}

			string_literal62=(Token)match(input,40,FOLLOW_40_in_blockStmt502);  
			stream_40.add(string_literal62);

			// AST REWRITE
			// elements: stmtList
			// token labels: 
			// rule labels: retval
			// token list labels: 
			// rule list labels: 
			// wildcard labels: 
			retval.tree = root_0;
			RewriteRuleSubtreeStream stream_retval=new RewriteRuleSubtreeStream(adaptor,"rule retval",retval!=null?retval.getTree():null);

			root_0 = (CommonTree)adaptor.nil();
			// 118:3: -> ^( BLOCK ( stmtList )? )
			{
				// C:\\Users\\Samir\\Documents\\University\\Y2S2\\COMP2010\\LittleNic\\src\\LittleNic.g:118:6: ^( BLOCK ( stmtList )? )
				{
				CommonTree root_1 = (CommonTree)adaptor.nil();
				root_1 = (CommonTree)adaptor.becomeRoot((CommonTree)adaptor.create(BLOCK, "BLOCK"), root_1);
				// C:\\Users\\Samir\\Documents\\University\\Y2S2\\COMP2010\\LittleNic\\src\\LittleNic.g:118:14: ( stmtList )?
				if ( stream_stmtList.hasNext() ) {
					adaptor.addChild(root_1, stream_stmtList.nextTree());
				}
				stream_stmtList.reset();

				adaptor.addChild(root_0, root_1);
				}

			}


			retval.tree = root_0;

			}

			retval.stop = input.LT(-1);

			retval.tree = (CommonTree)adaptor.rulePostProcessing(root_0);
			adaptor.setTokenBoundaries(retval.tree, retval.start, retval.stop);

		}
		catch (RecognitionException re) {
			reportError(re);
			recover(input,re);
			retval.tree = (CommonTree)adaptor.errorNode(input, retval.start, input.LT(-1), re);
		}
		finally {
			// do for sure before leaving
		}
		return retval;
	}