/// <include file='doc\ShellTypeLoaderService.uex' path='docs/doc[@for="ShellTypeLoaderService.ShellTypeLoaderService"]/*' />
/// <devdoc>
/// Creates a new type loader service.
/// </devdoc>
public ShellTypeLoaderService(IServiceProvider provider)
{
this.provider = provider;
// We need to track solution events.
//
IVsSolution sol = (IVsSolution)GetService(typeof(IVsSolution));
#if DEBUG
if (Switches.TYPELOADER.TraceVerbose)
{
if (sol == null)
{
Debug.WriteLine("TypeLoader : No solution found");
}
else
{
Debug.WriteLine("TypeLoader : Attaching solution events");
}
}
#endif
if (sol != null)
{
solutionEventsCookie = sol.AdviseSolutionEvents(this);
}
ShellTypeLoader.ClearProjectAssemblyCache();
}
/// <include file='doc\ShellTypeLoaderService.uex' path='docs/doc[@for="ShellTypeLoaderService.IVsSolutionEvents.OnBeforeCloseProject"]/*' />
/// <devdoc>
/// </devdoc>
int IVsSolutionEvents.OnBeforeCloseProject(IVsHierarchy pHier, int fRemoved)
{
if (typeLoaders != null)
{
FlushAllOpenDesigners();
string hierRef = GetHierarchyRef(pHier);
ShellTypeLoader typeLoader = (ShellTypeLoader)typeLoaders[hierRef];
if (typeLoader != null)
{
Debug.WriteLineIf(Switches.TYPELOADER.TraceVerbose, "TypeLoader : Removing typeloader for project " + hierRef);
typeLoaders.Remove(hierRef);
typeLoader.Dispose();
}
}
return(NativeMethods.S_OK);
}
/// <include file='doc\ShellTypeLoaderService.uex' path='docs/doc[@for="ShellTypeLoaderService.GetTypeLoader"]/*' />
/// <devdoc>
/// Retrieves a type loader for the given hierarchy. If there
/// is no type loader for this hierarchy it will create one.
/// </devdoc>
public ITypeResolutionService GetTypeResolutionService(object vsHierarchy)
{
TypeLoader typeLoader = null;
string hierRef;
IVsHierarchy hier = vsHierarchy as IVsHierarchy;
Debug.Assert(hier != null, "You're not going to get very far without a VS hierarchy");
if (hier != null)
{
hierRef = GetHierarchyRef(hier);
}
else
{
hierRef = defaultProjectRef;
}
Debug.WriteLineIf(Switches.TYPELOADER.TraceVerbose, "TypeLoader : Loading type loader for hierarchy " + hierRef);
if (typeLoaders != null)
{
// See if the given hierarchy is contained in the current
// hash.
//
typeLoader = (TypeLoader)typeLoaders[hierRef];
}
if (typeLoader == null)
{
Debug.WriteLineIf(Switches.TYPELOADER.TraceVerbose, "TypeLoader : Creating new type loader");
typeLoader = new ShellTypeLoader(this, provider, hier);
if (typeLoaders == null)
{
typeLoaders = new Hashtable();
}
typeLoaders[hierRef] = typeLoader;
}
return(typeLoader);
}
