/// <summary>
/// Logs information about the extractor, as well as the arguments to Roslyn.
/// </summary>
/// <param name="roslynArgs">The arguments passed to Roslyn.</param>
/// <returns>A Boolean indicating whether the same arguments have been logged previously.</returns>
public bool LogRoslynArgs(string[] roslynArgs, string extractorVersion)
{
LogExtractorInfo(extractorVersion);
Logger.Log(Severity.Info, $" Arguments to Roslyn: {string.Join(' ', roslynArgs)}");
var csharpLogDir = Extractor.GetCSharpLogDirectory();
var tempFile = Path.Combine(csharpLogDir, $"csharp.{Path.GetRandomFileName()}.txt");
bool argsWritten;
using (var streamWriter = new StreamWriter(new FileStream(tempFile, FileMode.Append, FileAccess.Write)))
{
streamWriter.WriteLine($"# Arguments to Roslyn: {string.Join(' ', roslynArgs.Where(arg => !arg.StartsWith('@')))}");
argsWritten = roslynArgs.WriteCommandLine(streamWriter);
}
var hash = FileUtils.ComputeFileHash(tempFile);
var argsFile = Path.Combine(csharpLogDir, $"csharp.{hash}.txt");
if (argsWritten)
{
Logger.Log(Severity.Info, $" Arguments have been written to {argsFile}");
}
if (File.Exists(argsFile))
{
try
{
File.Delete(tempFile);
}
catch (IOException e)
{
Logger.Log(Severity.Warning, $" Failed to remove {tempFile}: {e.Message}");
}
return(false);
}
try
{
File.Move(tempFile, argsFile);
}
catch (IOException e)
{
Logger.Log(Severity.Warning, $" Failed to move {tempFile} to {argsFile}: {e.Message}");
}
return(true);
}
/// <summary>
/// Logs detailed information about this invocation,
/// in the event that errors were detected.
/// </summary>
/// <param name="roslynArgs">The arguments passed to Roslyn.</param>
public void LogDiagnostics(string[] roslynArgs)
{
Logger.Log(Severity.Info, " Extractor: {0}", Environment.GetCommandLineArgs().First());
if (extractor != null)
{
Logger.Log(Severity.Info, " Extractor version: {0}", extractor.Version);
}
Logger.Log(Severity.Info, " Current working directory: {0}", Directory.GetCurrentDirectory());
if (roslynArgs != null)
{
Logger.Log(Severity.Info, $" Arguments to Roslyn: {string.Join(' ', roslynArgs)}");
// Create a new file in the log folder.
var argsFile = Path.Combine(Extractor.GetCSharpLogDirectory(), $"csharp.{Path.GetRandomFileName()}.txt");
if (roslynArgs.ArchiveCommandLine(argsFile))
{
Logger.Log(Severity.Info, $" Arguments have been written to {argsFile}");
}
}
foreach (var error in FilteredDiagnostics)
{
Logger.Log(Severity.Error, " Compilation error: {0}", error);
}
if (FilteredDiagnostics.Any())
{
foreach (var reference in compilation.References)
{
Logger.Log(Severity.Info, " Resolved reference {0}", reference.Display);
}
}
}