/// <summary>
/// Constructs the map from assembly string to its filename.
///
/// Roslyn doesn't record the relationship between a filename and its assembly
/// information, so we need to retrieve this information manually.
/// </summary>
private void SetReferencePaths()
{
foreach (var reference in compilation.References.OfType <PortableExecutableReference>())
{
try
{
var refPath = reference.FilePath;
/* This method is significantly faster and more lightweight than using
* System.Reflection.Assembly.ReflectionOnlyLoadFrom. It is also allows
* loading the same assembly from different locations.
*/
using var pereader = new System.Reflection.PortableExecutable.PEReader(new FileStream(refPath, FileMode.Open, FileAccess.Read, FileShare.Read));
var metadata = pereader.GetMetadata();
string assemblyIdentity;
unsafe
{
var reader = new System.Reflection.Metadata.MetadataReader(metadata.Pointer, metadata.Length);
var def = reader.GetAssemblyDefinition();
assemblyIdentity = reader.GetString(def.Name) + " " + def.Version;
}
extractor.SetAssemblyFile(assemblyIdentity, refPath);
}
catch (Exception ex) // lgtm[cs/catch-of-all-exceptions]
{
extractor.Message(new Message("Exception reading reference file", reference.FilePath, null, ex.StackTrace));
}
}
}
private void CheckEntityHasUniqueLabel(IId id, ICachedEntity entity)
{
if (idLabelCache.TryGetValue(id, out var originalEntity))
{
Extractor.Message(new Message {
message = "Label collision for " + id.ToString(), severity = Severity.Warning
});
}
else
{
idLabelCache[id] = entity;
}
}
/// <summary>
/// Runs the main populate loop until there's nothing left to populate.
/// </summary>
public void PopulateAll()
{
while (populateQueue.Any())
{
try
{
populateQueue.Dequeue()();
}
catch (InternalError e)
{
Extractor.Message(e.ExtractionMessage);
}
catch (Exception e)
{
Extractor.Message(new Message {
severity = Severity.Error, exception = e, message = "Uncaught exception"
});
}
}
}
public static void DefineLabel(this IEntity entity, TextWriter trapFile, IExtractor extractor)
{
trapFile.WriteLabel(entity);
trapFile.Write("=");
try
{
entity.WriteQuotedId(trapFile);
}
catch (Exception ex) // lgtm[cs/catch-of-all-exceptions]
{
trapFile.WriteLine("\"");
extractor.Message(new Message($"Unhandled exception generating id: {ex.Message}", entity.ToString() ?? "", null, ex.StackTrace));
}
trapFile.WriteLine();
}
