private static()

in src/Microsoft.Diagnostics.Runtime/Implementation/DACNameParser.cs [960:1020]
55 lines of code
12 McCabe index (conditional complexity)

        private static (ParsingState State, int Pos) DetermineNextStateAndPos(string name, int curPos)
        {
            if (curPos == name.Length)
                return (ParsingState.Done, curPos);

            switch (name[curPos])
            {
                case ArgSeparator:
                    {
                        curPos++; // move past the comma

                        int potentiallyNewPos = MoveCurPosPastWhitespaceOrFail(name, curPos);
                        if (potentiallyNewPos < 0)
                        {
                            return (ParsingState.Error, curPos);
                        }

                        curPos = potentiallyNewPos;

                        if (name[curPos] == GenericArgListAssemblyQualifiedTypeNameOrArrayStartSpecifier)
                        {
                            return (ParsingState.ParsingAssemblyQualifiedGenericArgName, curPos + 1);
                        }
                        else
                        {
                            return (ParsingState.ParsingNonAssemblyQualifiedGenericArgName, curPos);
                        }
                    }
                case GenericAritySpecifier:
                    {
                        return (ParsingState.ParsingGenericArgCount, curPos + 1);
                    }
                case NestedClassSpecifier:
                    {
                        return (ParsingState.ParsingNestedClass, curPos + 1);
                    }
                case GenericArgListAssemblyQualifiedTypeNameOrArrayStartSpecifier:
                    {
                        if (curPos + 1 != name.Length)
                        {
                            if (name[curPos + 1] is GenericArgListAssemblyQualifiedTypeNameOrArrayEndSpecifier or ArgSeparator)
                                return (ParsingState.ParsingArraySpecifier, curPos);
                            else
                                return (ParsingState.ParsingGenericArgs, curPos);
                        }

                        return (ParsingState.Error, curPos);
                    }
                case GenericArgListAssemblyQualifiedTypeNameOrArrayEndSpecifier:
                    {
                        if (curPos != name.Length)
                        {
                            return (ParsingState.ResolveParsedGenericList, curPos + 1);
                        }

                        return (ParsingState.Error, curPos);
                    }
                default:
                    return (ParsingState.Error, curPos);
            }
        }