Cannot parse function from ast

[lyriccoder]

If we pass a function as a node, it shows an error:

Cannot read/open/parse file large_disk/method_name_data/code2vec/java-large/validation/ShifuML__shifu/src/main/java/ml/shifu/shifu/core/dtrain/dt/BinaryDTSerializer.java 'NoneType' object has no attribute 'type'
Traceback (most recent call last):
  File "/hdd/codesumm/data/main.py", line 295, in run_file_procedure
    method_metrics = collect_method_metrics(found_method, source_code_bytes, method_name_in_csv)
  File "/hdd/codesumm/data/main.py", line 224, in collect_method_metrics
    adg_method = parse_from_ast(found_method, source_code_bytes)
  File "/hdd/prog_graph3.10/program-graphs/program_graphs/adg/parser/java/parser.py", line 39, in parse_from_ast
    mk_adg(ast, adg, parent_adg_node=None, source=source_code_bytes)
  File "/hdd/prog_graph3.10/program-graphs/program_graphs/adg/parser/java/parser.py", line 56, in mk_adg
    if node.type == 'program':
AttributeError: 'NoneType' object has no attribute 'type'

run_cmd function:

public static long runCmd(ArrayList<byte[]> hashes, String server,
			int port, String password, boolean useSSL) throws Exception,
			ClassNotFoundException, HashtableFullException {
		Exception he = null;
		for(int t = 0; t <10;t++) {
		InputStream in = null;
		PostMethod method = null;
		try {
			SDFSLogger.getLog().debug("getting hashes [" + hashes.size() + "]");
			ByteArrayOutputStream bos = new ByteArrayOutputStream();
			ObjectOutputStream obj_out = new ObjectOutputStream(bos);
			obj_out.writeObject(hashes);
			String file = com.google.common.io.BaseEncoding.base64Url().encode(
					CompressionUtils.compressSnappy(bos.toByteArray()));
			StringBuilder sb = new StringBuilder();
			Formatter formatter = new Formatter(sb);
			formatter.format("file=%s&cmd=batchgetblocks&options=ilovemg",
					"ninja");
			ByteArrayOutputStream out = new ByteArrayOutputStream();
			try{
				//String hmac = MgmtServerConnection.getAuth(password);
				
			String url = MgmtServerConnection.createAuthUrl(sb.toString(),password);
			method = MgmtServerConnection.connectAndPost(server, port,
					 url, "", file, useSSL);
			in = method.getResponseBodyAsStream();
			SDFSLogger.getLog().debug("reading imported blocks");
			IOUtils.copy(in, out);
			formatter.close();
			
			}finally {
				if(method != null)
					try {
				method.releaseConnection();
					}catch(Exception e) {}
			}
			byte[] sh = CompressionUtils.decompressSnappy(out.toByteArray());
			ObjectInputStream obj_in = new ObjectInputStream(
					new ByteArrayInputStream(sh));
			@SuppressWarnings("unchecked")
			List<HashChunk> hck = (List<HashChunk>) obj_in.readObject();
			obj_in.close();
			if (hck.size() != hashes.size())
				throw new IOException("unable to import all blocks requested ["
						+ hashes.size() + "] and received [" + hck.size() + "]");
			AtomicLong imsz = new AtomicLong();
			ArrayList<DataWriter> th = new ArrayList<DataWriter>();
			for (int i = 0; i < hck.size(); i++) {
				DataWriter dw = new DataWriter();
				dw._hc = hck.get(i);
				dw.imsz = imsz;
				th.add(dw);
				executor.execute(dw);
			}
			Exception e1 = null;
			
			for(;;) {
				int nd = 0;
				for(DataWriter dw : th) {
					if(dw.done) {
						if(dw.e1 != null) {
							e1 = dw.e1;
						}
					} else {
						nd++;
					}
				}
				if(nd == 0)
					break;
				Thread.sleep(10);
			}
			if(e1!=null)
				throw e1;
			SDFSLogger.getLog().debug("imported " + hck.size());
			return imsz.get();

		} catch(Exception e) {
			he = e;
			Thread.sleep(1000);
		}finally {	
			if (in != null) {
				try {
					in.close();
				} catch (Exception e) {
				}
			}
			if (method != null)
				try {
					method.releaseConnection();
				} catch (Exception e) {
				}
		}
		}
		throw new IOException(he);

	}