Fix PM (#18435)

Author: KevinRansom

src/Compiler/Driver/ScriptClosure.fs

@@ -331,11 +331,13 @@ module ScriptPreprocessClosure =
                     for kv in tcConfig.packageManagerLines do
                         let packageManagerKey, packageManagerLines = kv.Key, kv.Value
 
-                        match packageManagerLines |> List.filter (not << isEditorCursorInPackageLines) with
+                        let packageManagerLines =
+                            packageManagerLines |> List.filter (not << isEditorCursorInPackageLines)
+
+                        match packageManagerLines with
                         | [] -> ()
                         | packageManagerLine :: _ ->
                             let m = packageManagerLine.Range
-                            let packageManagerLines = packageManagerLines
                             yield! processPackageManagerLines m packageManagerLines scriptName packageManagerKey
             ]
 

vsintegration/src/FSharp.Editor/Common/Extensions.fs

@@ -145,7 +145,7 @@ type Document with
                 | hr, _, _, docData, _ when ErrorHandler.Succeeded(hr) && docData <> IntPtr.Zero ->
                     match Marshal.GetObjectForIUnknown docData with
                     | :? IVsTextBuffer as ivsTextBuffer ->
-                        match textManager.GetActiveView(1, ivsTextBuffer) with
+                        match textManager.GetActiveView(0, ivsTextBuffer) with
                         | hr, vsTextView when ErrorHandler.Succeeded(hr) -> Some vsTextView
                         | _ -> None
                     | _ -> None

vsintegration/src/FSharp.Editor/LanguageService/FSharpProjectOptionsManager.fs

@@ -193,13 +193,16 @@ type private FSharpProjectOptionsReactor(checker: FSharpChecker) =
     let rec tryComputeOptionsBySingleScriptOrFile (document: Document) (ct: CancellationToken) userOpName =
         async {
             let! fileStamp = document.GetTextVersionAsync(ct) |> Async.AwaitTask
+            let textViewAndCaret () : (IVsTextView * Position) option = document.TryGetTextViewAndCaretPos()
 
             match singleFileCache.TryGetValue(document.Id) with
             | false, _ ->
                 let! sourceText = document.GetTextAsync(ct) |> Async.AwaitTask
 
                 let getProjectOptionsFromScript textViewAndCaret =
-                    match textViewAndCaret with
+                    let caret = textViewAndCaret ()
+
+                    match caret with
                     | None ->
                         checker.GetProjectOptionsFromScript(
                             document.FilePath,
@@ -219,7 +222,6 @@ type private FSharpProjectOptionsReactor(checker: FSharpChecker) =
                             userOpName = userOpName
                         )
 
-                let textViewAndCaret = document.TryGetTextViewAndCaretPos()
                 let! scriptProjectOptions, _ = getProjectOptionsFromScript textViewAndCaret
                 let project = document.Project
 
@@ -259,7 +261,7 @@ type private FSharpProjectOptionsReactor(checker: FSharpChecker) =
 
                 let updateProjectOptions () =
                     async {
-                        let! scriptProjectOptions, _ = getProjectOptionsFromScript None
+                        let! scriptProjectOptions, _ = getProjectOptionsFromScript textViewAndCaret
 
                         checker.NotifyFileChanged(document.FilePath, scriptProjectOptions)
                         |> Async.Start
@@ -274,7 +276,7 @@ type private FSharpProjectOptionsReactor(checker: FSharpChecker) =
                     match value with
                     | projectId, fileStamp, parsingOptions, projectOptions, _ ->
                         let subscription =
-                            match textViewAndCaret with
+                            match textViewAndCaret () with
                             | Some(textView, _) ->
                                 subscribeToTextViewEvents (textView, (Some onChangeCaretHandler), (Some onKillFocus), (Some onSetFocus))
                             | None -> None