public void visitTag()

in core/src/main/java/org/adoptopenjdk/jitwatch/hotthrow/HotThrowFinder.java [107:241]
104 lines of code
19 McCabe index (conditional complexity)

	public void visitTag(Tag parseTag, IParseDictionary parseDictionary) throws LogParseException
	{
		String currentMethod = null;
		String holder = null;
		String currentBCI = null;

		Map<String, String> attrs = parseTag.getAttributes();

		String methodID = attrs.get(ATTR_METHOD);

		Tag methodTag = parseDictionary.getMethod(methodID);

		if (methodTag == null)
		{
			return;
		}

		Map<String, String> methodTagAttributes = methodTag.getAttributes();

		currentMethod = methodTagAttributes.get(ATTR_NAME);
		holder = methodTagAttributes.get(ATTR_HOLDER);

		List<Tag> allChildren = parseTag.getChildren();

		for (Tag child : allChildren)
		{
			String tagName = child.getName();
			attrs = child.getAttributes();

			switch (tagName)
			{
			case TAG_METHOD:
			{
				currentMethod = attrs.get(ATTR_NAME);
				holder = attrs.get(ATTR_HOLDER);
				break;
			}
			case TAG_BC:
			{
				currentBCI = attrs.get(ATTR_BCI);
				break;
			}

			// changes member context
			case TAG_CALL:
			{
				methodID = attrs.get(ATTR_METHOD);

				methodTag = parseDictionary.getMethod(methodID);

				methodTagAttributes = methodTag.getAttributes();

				currentMethod = methodTagAttributes.get(ATTR_NAME);
				holder = methodTagAttributes.get(ATTR_HOLDER);
				break;
			}

			case TAG_HOT_THROW:
			{
				if (holder != null && currentMethod != null)
				{
					Tag klassTag = parseDictionary.getKlass(holder);

					String preallocated = child.getAttributes().get(ATTR_PREALLOCATED);

					if (currentBCI != null && klassTag != null)
					{
						IMetaMember member = ParseUtil.lookupMember(methodID, parseDictionary, model);

						if (member != null)
						{
							MemberBytecode memberBytecode = member.getMemberBytecode();

							if (memberBytecode == null)
							{
								member.getMetaClass().getClassBytecode(model, new ArrayList<String>());

								memberBytecode = member.getMemberBytecode();
							}

							if (memberBytecode != null)
							{
								ExceptionTable exceptionTable = memberBytecode.getExceptionTable();

								if (exceptionTable != null)
								{
									int bciValue = Integer.valueOf(currentBCI);
									
									ExceptionTableEntry entry = exceptionTable.getEntryForBCI(bciValue);

									if (entry != null)
									{
										HotThrowResult throwResult = new HotThrowResult(member, bciValue, entry.getType(), "1".equals(preallocated));

										result.add(throwResult);
									}
								}
							}
						}
					}
				}

				holder = null;
				currentMethod = null;
				break;
			}

			case TAG_PHASE:
			{
				String phaseName = attrs.get(ATTR_NAME);

				if (S_PARSE_HIR.equals(phaseName))
				{
					visitTag(child, parseDictionary);
				}
				else
				{
					logger.warn("Don't know how to handle phase {}", phaseName);
				}

				break;
			}

			case TAG_PARSE: // nested parse from inlining
			{
				visitTag(child, parseDictionary);
				break;
			}

			default:
				handleOther(child);
				break;
			}
		}
	}