Merge pull request #223 from psfinaki/update-fsharp

Update F#

Author: ashmind

Diff for: FSharp/FSharp.csproj

@@ -18,7 +18,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Build.Utilities.Core" Version="17.0.0" />
     <PackageReference Include="Microsoft.IO.RecyclableMemoryStream" Version="2.2.0" />
-    <PackageReference Include="FSharp.Compiler.Service" Version="41.0.1" />
-    <PackageReference Include="FSharp.Core" Version="6.0.1" />
+    <PackageReference Include="FSharp.Compiler.Service" Version="43.8.300" />
+    <PackageReference Include="FSharp.Core" Version="8.0.300" />
   </ItemGroup>
 </Project>

Diff for: FSharp/Internal/CustomFileSystem.cs

@@ -113,7 +113,7 @@ public void FileDeleteShim(string fileName) {
             throw new NotSupportedException();
         }
 
-        public DirectoryInfo DirectoryCreateShim(string path) {
+        public string DirectoryCreateShim(string path) {
             throw new NotSupportedException();
         }
 
@@ -139,6 +139,10 @@ public IEnumerable<string> EnumerateDirectoriesShim(string path) {
             throw new NotSupportedException();
         }
 
+        public string ChangeExtensionShim(string path, string extension) {
+            throw new NotImplementedException();
+        }
+
         public string GetTempPathShim() {
             return VirtualTempPath;
         }

Diff for: FSharp/Internal/FSharpSession.cs

@@ -6,6 +6,7 @@
 using Microsoft.CodeAnalysis.Text;
 using Microsoft.FSharp.Collections;
 using Microsoft.FSharp.Control;
+using Microsoft.FSharp.Core;
 using Microsoft.IO;
 using MirrorSharp.FSharp.Advanced;
 using MirrorSharp.Internal;
@@ -54,7 +55,12 @@ RecyclableMemoryStreamManager memoryStreamManager
                 keepAllBackgroundSymbolUses: false,
                 enableBackgroundItemKeyStoreAndSemanticClassification: false,
                 // allows for using signature files to speed up compilation, but mutually exclusive with `keepAssemblyContents`
-                enablePartialTypeChecking: false
+                enablePartialTypeChecking: false,
+                parallelReferenceResolution: false,
+                captureIdentifiersWhenParsing: false,
+                documentSource: FSharpOption<DocumentSource>.Some(DocumentSource.FileSystem),
+                useSyntaxTreeCache: false,
+                useTransparentCompiler: false
             );
             // Checker.ImplicitlyStartBackgroundWork = false;
             AssemblyReferencePaths = options.AssemblyReferencePaths;