private Function createFunction(Map<String, Object> result, boolean isThunk, Address entryPoint)
			throws InvalidInputException, OverlappingFunctionException, AddressOverflowException {
		AddressSet body = new AddressSet(entryPoint, entryPoint);
		getLocations(result, body);
		Function func = program.getFunctionManager().getFunctionAt(entryPoint);
		if (func == null) {
			String source = (String) result.get("sourceType");
			SourceType sourceType = getSourceType(source);
			func = program.getFunctionManager()
					.createFunction(null, null, entryPoint, body, sourceType);
		}

		String name = (String) result.get("name");
		if (isThunk) {
			createThunk(result, func);
		}
		setName(entryPoint, func, name, result);
		return func;
	}
Parses a list of {@link Function function} definitions from SARIF and creates
then, adding them to the current {@link Program program}.
<p>
Information from a TYPEINFO_COMMENT is used in preference to information from
RETURN_TYPE and STACK_FRAME/STACK_VARs that are tagged as parameters.
<p>
DTD for the FUNCTION element:

<pre>
<code>
&lt;!ELEMENT FUNCTION (RETURN_TYPE?, ADDRESS_RANGE*, REGULAR_CMT?, REPEATABLE_CMT?, TYPEINFO_CMT?, STACK_FRAME?, REGISTER_VAR*)&gt;
</code>
</pre>

@param result             the parser
@param options
@param monitor            the task monitor
@throws AddressFormatException if any address is not parsable
@throws CancelledException     if the operation is cancelled through the
                               monitor
Ghidra/Features/Sarif/src/main/java/sarif/managers/FunctionsSarifMgr.java