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Apply changes directly to text buffer#62337

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tmat merged 1 commit intodotnet:mainfrom
tmat:SynchHandlers3
Jul 7, 2022
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Apply changes directly to text buffer#62337
tmat merged 1 commit intodotnet:mainfrom
tmat:SynchHandlers3

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@tmat tmat commented Jul 2, 2022 •
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Some command handlers apply changes to workspace via GetTextChangesAsync, which may block the UI thread until a background task is complete. This change updates these handlers to apply the changes directly to the editor buffer.

Contributes to #57554

Validation PR: https://dev.azure.com/devdiv/DevDiv/_git/VS/pullrequest/409315

@ghost ghost added the Area-IDE label Jul 2, 2022
@tmat tmat force-pushed the SynchHandlers3 branch from d20469d to 8342412 Compare July 6, 2022 16:17
@tmat tmat force-pushed the SynchHandlers3 branch from 8342412 to fe76d42 Compare July 6, 2022 18:15
@tmat tmat changed the title Synch handlers3 Apply changes directly to text buffer Jul 6, 2022
@tmat tmat marked this pull request as ready for review July 6, 2022 21:57
@tmat tmat requested a review from a team as a code owner July 6, 2022 21:57
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tmat commented Jul 6, 2022

@CyrusNajmabadi PTAL

CyrusNajmabadi
CyrusNajmabadi reviewed Jul 6, 2022
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src/EditorFeatures/Core/CommentSelection/AbstractCommentSelectionBase.cs
subjectBuffer.ApplyChanges(formattedChanges);

workspace.ApplyDocumentChanges(formattedDocument, cancellationToken);
transaction.Complete();
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this is the part i'm least comfortable with. can you smoke test this otu a bit?

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genlu commented Jul 6, 2022

Some command handlers apply changes to workspace via GetTextChangesAsync...

I don't understand this part though, how to apply changes via GetTextChangesAsync?

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tmat commented Jul 6, 2022 •
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@genlu We have an extension method that does that:

roslyn/src/EditorFeatures/Core/Shared/Extensions/WorkspaceExtensions.cs

Line 24 in 315c2e1

var changes = newDocument.GetTextChangesAsync(oldDocument, cancellationToken).WaitAndGetResult(cancellationToken);

I should have perhaps said a combination of GetTextChangesAsync, UpdateDocument and TryApplyChanges.

Workspace.TryApplyChanges actually also runs async task and waits for it :-/

roslyn/src/Workspaces/Core/Portable/Workspace/Workspace.cs

Line 1218 in 2f9faa0

var solutionWithLinkedFileChangesMerged = newSolution.WithMergedLinkedFileChangesAsync(oldSolution, solutionChanges, cancellationToken: CancellationToken.None).Result;

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genlu commented Jul 6, 2022

Thanks for the explanation, looks like we'd see UI delay improvement in completion commit action for sure with this change👍

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tmat commented Jul 6, 2022

That's the hope :)

@tmat tmat merged commit 002abc1 into dotnet:main Jul 7, 2022
@tmat tmat deleted the SynchHandlers3 branch July 7, 2022 18:17
@ghost ghost added this to the Next milestone Jul 7, 2022
@runfoapp runfoapp bot mentioned this pull request Jul 7, 2022
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333fred added a commit to 333fred/roslyn that referenced this pull request Jul 7, 2022
@333fred
Merge remote-tracking branch 'upstream/main' into syntaxtree-search
998232c 
* upstream/main: (62 commits)
  Prevent assert from being hit (dotnet#62366)
  Don't offer '??=' for pointer types (dotnet#62476)
  Integrate generator times into /reportAnalyzer (dotnet#61661)
  Switch to a callback for cleaning up resources instead of passing in an explicit IDisposable. (dotnet#62373)
  Filter trees to only those containing global-usings or attributes prior to analyzing them. (dotnet#62444)
  Update PublishData.json
  Complete 'file' support for `SyntaxGenerator` (dotnet#62413)
  Apply changes directly to text buffer (dotnet#62337)
  Remove LangVer check from extended nameof binding (dotnet#62339)
  Fixed shared project file error (dotnet#62466)
  Handle new error codes
  Use MSBuid generated property for package path
  Exclude BCL libraries from Roslyn vsix
  Bump the integration test timeouts a bit
  Skip the balanced switch dispatch optimization for patterns on floating-point inputs (dotnet#62322)
  Test helpers shouldn't escape quotes by default (dotnet#62321)
  Reuse prior TableEntry values in the increment NodeTable builder if possible. (dotnet#62320)
  Install 3.1 runtime for SBOM tool
  Generate VS SBOM during official build.
  Minor refactoring in 'required' handling for override completion (dotnet#62422)
  ...
tmat added a commit to tmat/roslyn that referenced this pull request Jul 13, 2022
@tmat
Revert "Apply changes directly to text buffer (dotnet#62337)"
74550e9 
This reverts commit 002abc1.

Fixes https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1568401
tmat added a commit that referenced this pull request Jul 13, 2022
@tmat
Revert "Apply changes directly to text buffer (#62337)" (#62589)
0a39dcf 
This reverts commit 002abc1.

Fixes https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1568401
tmat added a commit to tmat/roslyn that referenced this pull request Jul 13, 2022
@tmat
Revert "Revert "Apply changes directly to text buffer (dotnet#62337)" (…
af73a4b 
…dotnet#62589)"

This reverts commit 0a39dcf.
tmat added a commit to tmat/roslyn that referenced this pull request Jul 13, 2022
@tmat
Revert "Revert "Apply changes directly to text buffer (dotnet#62337)" (…
1772681 
…dotnet#62589)"

This reverts commit 0a39dcf.
tmat added a commit to tmat/roslyn that referenced this pull request Jul 14, 2022
@tmat
Revert "Revert "Apply changes directly to text buffer (dotnet#62337)" (…
785204f 
…dotnet#62589)"

This reverts commit 0a39dcf.
tmat added a commit to tmat/roslyn that referenced this pull request Jul 14, 2022
@tmat
Revert "Revert "Apply changes directly to text buffer (dotnet#62337)" (…
98ade53 
…dotnet#62589)"

This reverts commit 0a39dcf.
tmat added a commit that referenced this pull request Jul 18, 2022
@tmat
Apply changes directly to text buffer - take 2 (#62617)
476248a 
* Revert "Revert "Apply changes directly to text buffer (#62337)" (#62589)"

This reverts commit 0a39dcf.

* Apply changes to ContainedDocument subject buffer
adamperlin pushed a commit to adamperlin/roslyn that referenced this pull request Jul 19, 2022
@tmat @adamperlin
Revert "Apply changes directly to text buffer (dotnet#62337)" (dotnet…
b89dc73 
…#62589)

This reverts commit 002abc1.

Fixes https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1568401
adamperlin pushed a commit to adamperlin/roslyn that referenced this pull request Jul 19, 2022
@tmat @adamperlin
Apply changes directly to text buffer - take 2 (dotnet#62617)
688cf62 
* Revert "Revert "Apply changes directly to text buffer (dotnet#62337)" (dotnet#62589)"

This reverts commit 0a39dcf.

* Apply changes to ContainedDocument subject buffer
@allisonchou allisonchou removed this from the Next milestone Jul 26, 2022
@allisonchou allisonchou modified the milestones: Next, 17.4 P1 Jul 26, 2022
@ryzngard ryzngard mentioned this pull request Jul 27, 2022
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@genlu genlu genlu approved these changes

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@CyrusNajmabadi CyrusNajmabadi CyrusNajmabadi approved these changes

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