Buildable solution

Author: nojaf

ReSharper.FSharp/Directory.Build.props

@@ -33,8 +33,8 @@
     <PsiFeaturesTestSubplatform>$(Subplatform).Psi.Features_test_Framework.Props</PsiFeaturesTestSubplatform>
     <RdBackendCommonSubplatform>$(Subplatform).Rider_RdBackend.Common.Props</RdBackendCommonSubplatform>
     <RiderBackendSubplatform>$(Subplatform).Rider_Rider.Backend.Props</RiderBackendSubplatform>
-   <UseLocalFSharpCompilerService>true</UseLocalFSharpCompilerService>
-   <LocalFCSProject>$(MSBuildThisFileDirectory)../../fsharp/src/Compiler/FSharp.Compiler.Service.fsproj</LocalFCSProject>
+    <UseLocalFSharpCompilerService>true</UseLocalFSharpCompilerService>
+    <LocalFCSProject>$(MSBuildThisFileDirectory)../../fsharp/src/Compiler/FSharp.Compiler.Service.fsproj</LocalFCSProject>
   </PropertyGroup>
 
   <ItemGroup>

ReSharper.FSharp/TypeProviders.Host.targets

@@ -14,7 +14,7 @@
 
     <ItemGroup>
         <PackageReference Include="FSharp.Core" />
-        <PackageReference Include="JetBrains.FSharp.Compiler.Service" />
+        <PackageReference Condition="'$(UseLocalFSharpCompilerService)' == 'false'" Include="JetBrains.FSharp.Compiler.Service" />
     </ItemGroup>
 
 </Project>

ReSharper.FSharp/src/FSharp.TypeProviders.Host/FSharp.TypeProviders.Host/FSharp.TypeProviders.Host.csproj

@@ -26,7 +26,6 @@
   <ItemGroup>
     <PackageReference Include="FSharp.Core" />
     <PackageReference Include="JetBrains.Annotations" />
-    
     <PackageReference Include="JetBrains.Lifetimes" />
     <PackageReference Include="JetBrains.RdFramework" />
   </ItemGroup>

ReSharper.FSharp/src/FSharp/FSharp.Common/src/Checker/FcsCheckerService.fs

@@ -201,7 +201,7 @@ type FcsCheckerService(lifetime: Lifetime, logger: ILogger, onSolutionCloseNotif
             new PinTypeCheckResultsCookie(sourceFile, parseAndCheckResults.ParseResults, parseAndCheckResults.CheckResults, prohibitTypeCheck) :> IDisposable
         | _ -> { new IDisposable with member this.Dispose() = () }
 
-    member x.TryGetStaleCheckResults([<NotNull>] file: IPsiSourceFile, opName) =
+    member x.TryGetStaleCheckResults([<NotNull>] file: IPsiSourceFile, opName) : FSharpCheckFileResults option =
         match x.FcsProjectProvider.GetProjectSnapshot(file) with
         | None -> None
         | Some snapshot ->
@@ -210,7 +210,8 @@ type FcsCheckerService(lifetime: Lifetime, logger: ILogger, onSolutionCloseNotif
         logger.Trace("TryGetStaleCheckResults: start {0}, {1}", path, opName)
 
         // TODO: TryGetRecentCheckResultsForFile for Snapshot
-        Unchecked.defaultof<FSharpProjectSnapshot option>
+        // https://github.com/dotnet/fsharp/pull/16720
+        None
         // match x.Checker.TryGetRecentCheckResultsForFile(path, snapshot) with
         // | Some (_, checkResults, _) ->
         //     logger.Trace("TryGetStaleCheckResults: finish {0}, {1}", path, opName)

ReSharper.FSharp/src/FSharp/FSharp.Common/src/Checker/FcsProjectProvider.fs

@@ -510,7 +510,7 @@ type FcsProjectProvider(lifetime: Lifetime, solution: ISolution, changeManager:
             dirtyProjects.Clear()
 
     interface IFcsProjectProvider with
-        member x.GetProjectOptions(sourceFile: IPsiSourceFile) =
+        member x.GetProjectSnapshot(sourceFile: IPsiSourceFile) =
             locks.AssertReadAccessAllowed()
             processInvalidatedFcsProjects ()
 
@@ -531,7 +531,7 @@ type FcsProjectProvider(lifetime: Lifetime, solution: ISolution, changeManager:
             | Some fcsProject when fcsProject.IsKnownFile(sourceFile) -> Some fcsProject.ProjectSnapshot
             | _ -> None
 
-        member x.GetProjectOptions(psiModule: IPsiModule) =
+        member x.GetProjectSnapshot(psiModule: IPsiModule) =
             locks.AssertReadAccessAllowed()
             processInvalidatedFcsProjects ()
 

ReSharper.FSharp/src/FSharp/FSharp.Psi.Daemon/src/Stages/ScriptLoadPathsStage.fs

@@ -1,5 +1,7 @@
 namespace rec JetBrains.ReSharper.Plugins.FSharp.Psi.Daemon.Stages
 
+#nowarn "57"
+
 open System.Collections.Generic
 open JetBrains.Application
 open JetBrains.ReSharper.Daemon.Stages
@@ -51,7 +53,7 @@ type ScriptLoadPathsStageProcess(fsFile, daemonProcess) =
         fsFile.Accept(visitor)
         if allDirectives.IsEmpty() then () else
 
-        match fsFile.CheckerService.FcsProjectProvider.GetProjectOptions(daemonProcess.SourceFile) with
+        match fsFile.CheckerService.FcsProjectProvider.GetProjectSnapshot(daemonProcess.SourceFile) with
         | Some options when not options.OriginalLoadReferences.IsEmpty ->
             let document = daemonProcess.Document
             let linesCount = document.GetLineCount() |> int

ReSharper.FSharp/src/FSharp/FSharp.Psi.Features/src/Search/FSharpPathReference.fs

@@ -1,5 +1,7 @@
 namespace rec JetBrains.ReSharper.Plugins.FSharp.Psi.Features.Searching
 
+#nowarn "57"
+
 open JetBrains.DataFlow
 open JetBrains.ReSharper.Plugins.FSharp.Psi.Tree
 open JetBrains.ReSharper.Plugins.FSharp.Util
@@ -48,9 +50,9 @@ type FSharpPathReference(owner, sourceFile) =
         let fsFile = owner.GetContainingFile() :?> IFSharpFile
         let document = sourceFile.Document
         let tokenStartOffset = owner.Parent.GetTreeStartOffset()
-        fsFile.CheckerService.FcsProjectProvider.GetProjectOptions(sourceFile)
-        |> Option.bind (fun options ->
-            options.OriginalLoadReferences
+        fsFile.CheckerService.FcsProjectProvider.GetProjectSnapshot(sourceFile)
+        |> Option.bind (fun snapshot ->
+            snapshot.OriginalLoadReferences
             |> List.tryFind (fun (range, _, _) -> getTreeStartOffset document range = tokenStartOffset)
             |> Option.bind (fun (_, _, path) ->
                 let path = VirtualFileSystemPath.TryParse(path, InteractionContext.SolutionContext)

ReSharper.FSharp/src/FSharp/FSharp.Tests.Host/FSharpTestHost.fs

@@ -1,5 +1,7 @@
 namespace JetBrains.ReSharper.Plugins.FSharp.Tests.Host
 
+#nowarn "57"
+
 open System.Collections.Generic
 open System.Globalization
 open System.Linq
@@ -55,10 +57,10 @@ type FSharpTestHost(solution: ISolution, sourceCache: FSharpSourceCache, itemsCo
         projectProvider.GetProjectSnapshot(sourceFile)
         |> Option.map (fun options ->
             options.OtherOptions
-            |> Array.choose (fun o -> if o.StartsWith("-r:") then Some (o.Substring("-r:".Length)) else None)
-            |> Array.map (fun p -> VirtualFileSystemPath.TryParse(p, InteractionContext.SolutionContext))
-            |> Array.filter (fun p -> not p.IsEmpty && directory.IsPrefixOf(p))
-            |> Array.map (fun p -> p.Name)
+            |> List.choose (fun o -> if o.StartsWith("-r:") then Some (o.Substring("-r:".Length)) else None)
+            |> List.map (fun p -> VirtualFileSystemPath.TryParse(p, InteractionContext.SolutionContext))
+            |> List.filter (fun p -> not p.IsEmpty && directory.IsPrefixOf(p))
+            |> List.map (fun p -> p.Name)
             |> List)
         |> Option.defaultWith (fun _ -> List())
 
@@ -76,7 +78,7 @@ type FSharpTestHost(solution: ISolution, sourceCache: FSharpSourceCache, itemsCo
     let dumpFcsProjectReferences (projectModelId: int) =
         let projectOptions = getProjectOptions projectModelId
         projectOptions.ReferencedProjects
-        |> Array.map (fun project ->
+        |> List.map (fun project ->
             let outputPath = VirtualFileSystemPath.Parse(project.OutputFile, InteractionContext.SolutionContext)
             outputPath.NameWithoutExtension)
         |> List

ReSharper.FSharp/test/src/FSharp.Tests.Common/src/Common.fs

@@ -1,5 +1,7 @@
 namespace JetBrains.ReSharper.Plugins.FSharp.Tests
 
+#nowarn "57"
+
 open System
 open System.Collections.Generic
 open System.IO
@@ -236,11 +238,11 @@ type TestFcsProjectProvider(lifetime: Lifetime, checkerService: FcsCheckerServic
     // todo: referenced projects
     // todo: unify with FcsProjectProvider check
     let areSameForChecking (newProject: FcsProject) (oldProject: FcsProject) =
-        let getReferencedProjectOutputs (options: FSharpProjectOptions) =
-            options.ReferencedProjects |> Array.map (fun project -> project.OutputFile)
+        let getReferencedProjectOutputs (options: FSharpProjectSnapshot) =
+            options.ReferencedProjects |> List.map (fun project -> project.OutputFile)
 
-        let newOptions = newProject.ProjectOptions
-        let oldOptions = oldProject.ProjectOptions
+        let newOptions = newProject.ProjectSnapshot
+        let oldOptions = oldProject.ProjectSnapshot
 
         newOptions.ProjectFileName = oldOptions.ProjectFileName &&
         newOptions.SourceFiles = oldOptions.SourceFiles &&
@@ -258,9 +260,9 @@ type TestFcsProjectProvider(lifetime: Lifetime, checkerService: FcsCheckerServic
                 newFcsProject
         )
 
-    let getProjectOptions (sourceFile: IPsiSourceFile) =
+    let getProjectSnapshot (sourceFile: IPsiSourceFile) =
         let fcsProject = getFcsProject sourceFile.PsiModule
-        Some fcsProject.ProjectOptions
+        Some fcsProject.ProjectSnapshot
 
     interface IHideImplementation<FcsProjectProvider>
 
@@ -269,11 +271,11 @@ type TestFcsProjectProvider(lifetime: Lifetime, checkerService: FcsCheckerServic
             let fcsProject = getFcsProject sourceFile.PsiModule
             fcsProject.ImplementationFilesWithSignatures.Contains(sourceFile.GetLocation())
 
-        member x.GetProjectOptions(sourceFile: IPsiSourceFile) =
+        member x.GetProjectSnapshot(sourceFile: IPsiSourceFile) =
             if sourceFile.LanguageType.Is<FSharpScriptProjectFileType>() then
                 scriptFcsProjectProvider.GetScriptSnapshot(sourceFile) else
 
-            getProjectOptions sourceFile
+            getProjectSnapshot sourceFile
 
         member x.GetParsingOptions(sourceFile) =
             if isNull sourceFile then sandboxParsingOptions else
@@ -328,7 +330,7 @@ type TestFcsProjectProvider(lifetime: Lifetime, checkerService: FcsCheckerServic
         member x.HasFcsProjects = false
         member this.GetAllFcsProjects() = []
 
-        member this.GetProjectOptions(_: IPsiModule): FSharpProjectOptions option = failwith "todo"
+        member this.GetProjectSnapshot(_: IPsiModule): FSharpProjectSnapshot option = failwith "todo"
         member this.GetFcsProject(psiModule) = Some (getFcsProject psiModule)
         member this.PrepareAssemblyShim _ = ()
         member this.GetReferencedModule _ = None