better support for loading csharp dlls (we need IsFSharp to be true to get all methods in "MembersFunctionsAndValues"). This will be used by FSharp.Formatting for example.

Author: matthid

src/fsharp/vs/Symbols.fs

@@ -81,6 +81,11 @@ module Impl =
             cpaths2 |> List.exists (canAccessFromCrossProject taccess1) 
         | _ -> true // otherwise use the normal check
 
+    let getItem (ent:EntityRef) =
+        checkEntityIsResolved(ent)
+        if ent.IsModule then Item.ModuleOrNamespaces [ent] 
+        else Item.UnqualifiedType [ent]
+
     let getXmlDocSigForEntity g (tcImports:TcImports) (ent:EntityRef)=
         let amap = tcImports.GetImportMap()
         let infoReader = InfoReader(g, amap)
@@ -122,10 +127,7 @@ type FSharpSymbol(g:TcGlobals, thisCcu, tcImports, item: (unit -> Item), access:
 
 and FSharpEntity(g:TcGlobals, thisCcu, tcImports: TcImports, entity:EntityRef) = 
     inherit FSharpSymbol(g, thisCcu, tcImports,  
-                         (fun () -> 
-                              checkEntityIsResolved(entity); 
-                              if entity.IsModule then Item.ModuleOrNamespaces [entity] 
-                              else Item.UnqualifiedType [entity]), 
+                         (fun () -> getItem(entity)), 
                          (fun _this thisCcu2 ad -> 
                              checkForCrossProjectAccessibility (thisCcu2, ad) (thisCcu, entity.Accessibility)) 
                              // && AccessibilityLogic.IsEntityAccessible (tcImports.GetImportMap()) range0 ad entity)
@@ -137,7 +139,9 @@ and FSharpEntity(g:TcGlobals, thisCcu, tcImports: TcImports, entity:EntityRef) =
     let isResolvedAndFSharp() = 
         match entity with
         | ERefNonLocal(NonLocalEntityRef(ccu, _)) -> not ccu.IsUnresolvedReference && ccu.IsFSharp
-        | _ -> true
+        | _ -> 
+            let ccu = defaultArg (ItemDescriptionsImpl.ccuOfItem g (getItem entity)) thisCcu 
+            ccu.IsFSharp
 
     let isUnresolved() = entityIsUnresolved entity
     let isResolved() = not (isUnresolved())
@@ -1661,7 +1665,8 @@ and FSharpAssembly internal (g: TcGlobals, thisCcu, tcImports, ccu: CcuThunk) =
     member __.FileName = ccu.FileName
     member __.SimpleName = ccu.AssemblyName 
     member __.IsProviderGenerated = ccu.IsProviderGenerated
-    member __.Contents = FSharpAssemblySignature(g, thisCcu, tcImports,  ccu.Contents.ModuleOrNamespaceType)
+    member __.Contents = 
+        FSharpAssemblySignature(g, (if ccu.IsUnresolvedReference then thisCcu else ccu), tcImports, ccu.Contents.ModuleOrNamespaceType)
 
 
     override x.ToString() = x.QualifiedName