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Add ConvertToAnonymousRecord quick fixeroony (dotnet#10493)
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// Copyright (c) Microsoft Corporation. All Rights Reserved. See License.txt in the project root for license information. | ||
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namespace Microsoft.VisualStudio.FSharp.Editor | ||
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open System.Composition | ||
open System.Threading | ||
open System.Threading.Tasks | ||
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open Microsoft.CodeAnalysis.Text | ||
open Microsoft.CodeAnalysis.CodeFixes | ||
open Microsoft.CodeAnalysis.CodeActions | ||
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[<ExportCodeFixProvider(FSharpConstants.FSharpLanguageName, Name = "ConvertToAnonymousRecord"); Shared>] | ||
type internal FSharpConvertToAnonymousRecordCodeFixProvider | ||
[<ImportingConstructor>] | ||
( | ||
checkerProvider: FSharpCheckerProvider, | ||
projectInfoManager: FSharpProjectOptionsManager | ||
) = | ||
inherit CodeFixProvider() | ||
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static let userOpName = "ConvertToAnonymousRecord" | ||
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let fixableDiagnosticIds = set ["FS0039"] | ||
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override _.FixableDiagnosticIds = Seq.toImmutableArray fixableDiagnosticIds | ||
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override _.RegisterCodeFixesAsync context : Task = | ||
asyncMaybe { | ||
let document = context.Document | ||
let! parsingOptions, _ = projectInfoManager.TryGetOptionsForEditingDocumentOrProject(document, context.CancellationToken, userOpName) | ||
let! sourceText = context.Document.GetTextAsync(context.CancellationToken) | ||
let! parseResults = checkerProvider.Checker.ParseFile(document.FilePath, sourceText.ToFSharpSourceText(), parsingOptions, userOpName) |> liftAsync | ||
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let errorRange = RoslynHelpers.TextSpanToFSharpRange(document.FilePath, context.Span, sourceText) | ||
let! recordRange = parseResults.TryRangeOfRecordExpressionContainingPos errorRange.Start | ||
let! recordSpan = RoslynHelpers.TryFSharpRangeToTextSpan(sourceText, recordRange) | ||
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let getChangedText () = | ||
sourceText.WithChanges(TextChange(TextSpan(recordSpan.Start + 1, 0), "|")) | ||
.WithChanges(TextChange(TextSpan(recordSpan.End, 0), "|")) | ||
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let diagnostics = | ||
context.Diagnostics | ||
|> Seq.filter (fun x -> fixableDiagnosticIds |> Set.contains x.Id) | ||
|> Seq.toImmutableArray | ||
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let title = SR.ConvertToAnonymousRecord() | ||
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let codeFix = | ||
CodeAction.Create( | ||
title, | ||
(fun (cancellationToken: CancellationToken) -> | ||
async { | ||
return context.Document.WithText(getChangedText()) | ||
} |> RoslynHelpers.StartAsyncAsTask(cancellationToken)), | ||
title) | ||
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context.RegisterCodeFix(codeFix, diagnostics) | ||
} | ||
|> Async.Ignore | ||
|> RoslynHelpers.StartAsyncUnitAsTask(context.CancellationToken) |
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