/// <summary>
/// Activate caching assemblies to disk.
/// Cache files will be saved in the specified directory.
/// </summary>
public DomPersistence ActivatePersistence(string cacheDirectory)
{
if (cacheDirectory == null)
{
throw new ArgumentNullException("cacheDirectory");
}
else if (persistence != null && cacheDirectory == persistence.CacheDirectory)
{
return(persistence);
}
else
{
persistence = new DomPersistence(cacheDirectory, this);
return(persistence);
}
}
/// <summary>
/// Load a project content using Reflection in a separate AppDomain.
/// This method first tries to load the assembly from the disk cache, if it exists there.
/// If it does not exist in disk cache, it creates a new AppDomain, instanciates a ReflectionLoader in it
/// and loads the assembly <paramref name="filename"/>.
/// If the file does not exist, <paramref name="include"/> is loaded from GAC.
/// </summary>
protected ReflectionProjectContent ReflectionLoadProjectContent(string filename, string include)
{
DomPersistence persistence;
bool tempPersistence;
if (this.persistence == null)
{
tempPersistence = true;
persistence = new DomPersistence(Path.GetTempPath(), this);
}
else
{
// non-temp persistence
tempPersistence = false;
persistence = this.persistence;
ReflectionProjectContent pc = persistence.LoadProjectContentByAssemblyName(filename);
if (pc != null)
{
return(pc);
}
pc = persistence.LoadProjectContentByAssemblyName(include);
if (pc != null)
{
return(pc);
}
}
AppDomainSetup setup = new AppDomainSetup();
setup.DisallowCodeDownload = true;
setup.ApplicationBase = AppDomain.CurrentDomain.BaseDirectory;
AppDomain domain = AppDomain.CreateDomain("AssemblyLoadingDomain", AppDomain.CurrentDomain.Evidence, setup);
string database;
try {
object o = domain.CreateInstanceAndUnwrap(typeof(ReflectionLoader).Assembly.FullName, typeof(ReflectionLoader).FullName);
ReflectionLoader loader = (ReflectionLoader)o;
database = loader.LoadAndCreateDatabase(filename, include, persistence.CacheDirectory);
} catch (FileLoadException e) {
database = null;
HostCallback.ShowAssemblyLoadErrorInternal(filename, include, e.Message);
} catch (Exception e) {
database = null;
HostCallback.ShowError("Error loading code-completion information for " + include + " from " + filename, e);
throw e;
} finally {
AppDomain.Unload(domain);
}
if (database == null)
{
LoggingService.Debug("AppDomain finished but returned null...");
return(null);
}
else
{
LoggingService.Debug("AppDomain finished, loading cache...");
try {
return(persistence.LoadProjectContent(database));
} finally {
if (tempPersistence)
{
try {
File.Delete(database);
} catch {}
}
}
}
}
