/// <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));
}
}
}
