private string CreatePdbFile()

in Nodejs/Product/LogConverter/LogParsing/LogConverter.cs [640:731]
87 lines of code
12 McCabe index (conditional complexity)

        private string CreatePdbFile(out Guid pdbSig, out uint pdbAge)
        {
            StringBuilder pdbCode = new StringBuilder();
            pdbCode.Append("class JavaScriptFunctions {");

            int id = 0;
            string dllDirectory;
            for (;;)
            {
                dllDirectory = Path.Combine(Path.GetTempPath(), "JavaScriptFunctions_" + id);
                id++;
                if (!Directory.Exists(dllDirectory))
                {
                    try
                    {
                        Directory.CreateDirectory(dllDirectory);
                        break;
                    }
                    catch
                    {
                    }
                }
            }

            string dllPath = Path.Combine(dllDirectory, "JavaScriptFunctions.dll");
            uint methodToken = 0x06000001;
            using (var reader = new StreamReader(_filename))
            {
                string line;
                while ((line = reader.ReadLine()) != null)
                {
                    var records = SplitRecord(line);
                    if (records.Length == 0)
                    {
                        continue;
                    }
                    switch (records[0])
                    {
                        case "code-creation":
                            int shift = (_nodeVersion >= v012 ? 1 : 0);
                            var funcInfo = ExtractNamespaceAndMethodName(records[shift + 4]);
                            if (funcInfo.LineNumber != null && !string.IsNullOrWhiteSpace(funcInfo.Filename))
                            {
                                pdbCode.Append(string.Format(CultureInfo.InvariantCulture, @"
#line {0} ""{1}""
public static void X{2:X}() {{
}}
", funcInfo.LineNumber, funcInfo.Filename, methodToken));
                            }
                            else
                            {
                                // we need to keep outputting methods just to keep tokens lined up.
                                pdbCode.Append(string.Format(CultureInfo.InvariantCulture, @"
public static void X{0:X}() {{
}}
", methodToken));
                            }
                            methodToken++;
                            break;
                    }
                }
            }

            pdbCode.Append("}");

            var compiler = CodeDomProvider.GetCompilerInfo("csharp");
            var parameters = compiler.CreateDefaultCompilerParameters();
            parameters.IncludeDebugInformation = true;
            parameters.OutputAssembly = dllPath;
            parameters.GenerateExecutable = false;
            var res = compiler.CreateProvider().CompileAssemblyFromSource(parameters, pdbCode.ToString());
            if (res.Errors.Count > 0)
            {
#if DEBUG
                var tempPath = Path.GetTempFileName();
                File.WriteAllText(tempPath, pdbCode.ToString());
#endif
                StringBuilder errors = new StringBuilder("Error while generating symbols:");
                foreach (var error in res.Errors)
                {
                    errors.AppendFormat("    {0}", error);
                    errors.AppendLine();
                }
#if DEBUG
                Console.WriteLine(errors.ToString());
                MessageBox.Show("Code saved to: " + tempPath + Environment.NewLine + errors.ToString());
#endif
            }

            ReadPdbSigAndAge(dllPath, out pdbSig, out pdbAge);
            return dllPath;
        }