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Track auto-closed pairs for edits inserted by suggestions - #348081
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Alexandru Dima (alexdima) merged 1 commit intoNov 13, 2026
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Since suggestions pass the 'suggest' edit source, parentheses inserted by a completion (such as foo()) were no longer tracked as auto-closed, so Backspace and overtyping no longer handled the closing character. Fixes #315131 🤖 Authored with GitHub Copilot on behalf of @alexdima. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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🟢 Approval recommended
No active review issues remain for the change restoring auto-closing pair tracking after accepted completions.
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What changed in this PR
Restores auto-closing pair tracking for accepted completions, fixing the regression described in #315131. Suggestion-inserted parentheses now use the same tracking as snippet edits, restoring paired Backspace deletion and closing-parenthesis overtyping.
Changes:
- Includes
'suggest'edits in existing auto-closing pair detection. - Adds a regression test verifying that Backspace deletes both suggestion-inserted parentheses.
No actionable findings remain.
| File | Description |
|---|---|
src/vs/editor/test/browser/controller/cursor.test.ts |
Tests paired Backspace deletion after a suggestion inserts floor(). |
src/vs/editor/common/cursor/cursor.ts |
Enables auto-closing pair detection for suggestion edits. |
Review effort: Balanced
Alexandru Dima (alexdima)
marked this pull request as ready for review
November 13, 2026 10:28
Alexandru Dima (alexdima)
enabled auto-merge (squash)
November 13, 2026 10:28
Martin Aeschlimann (aeschli)
approved these changes
Nov 13, 2026
Federico Brancasi (federicobrancasi)
approved these changes
Nov 13, 2026
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Alexandru Dima (alexdima)
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November 13, 2026 10:32
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Fixes #315131
When a completion inserts a call like
floor()with the cursor between the parens (a snippet completionfloor($0), Pylance'scompleteFunctionParens, rust-analyzer, ...), pressing Backspace leavesfloor)instead of deleting both parens, and typing)no longer overtypes the inserted one. The same edit inserted with Insert Snippet still works.Cause
Cursor.executeEditsregisters inserted auto-closing pairs (_findAutoClosingPairs, added for #78975) only when the edit source is'snippet'. Since #252666 the suggest controller passesEditSources.suggest(...)as the reason, so completion edits reach the cursor with source'suggest'and the pairs are never tracked.Change
Also find auto-closing pairs when the source is
'suggest'.EditSources.suggestis only used by the suggest controller, so this only affects edits from accepting a completion, the same edits that were tracked before #252666.Demo
Same scenario (user snippet
floor($0)in a JS file: first through Insert Snippet, then picked from suggest, then Backspace), on the installed Insiders 1.147.0 (before) and on a build of this branch (after).Tests
./scripts/test.sh --no-sandbox --run src/vs/editor/test/browser/controller/cursor.test.ts --grep "315131|78975|uto": 45 passing with the fix; without the cursor.ts change the new testissue #315131 - Parentheses inserted by a suggestion are tracked as auto-closedfails (floor)vsfloor).pnpm run oxlinton both changed files: clean.--devon this branch.Before / after
Before
315131-before-insiders.mp4
After
315131-after-dev.mp4
🤖 Authored with GitHub Copilot on behalf of Alexandru Dima (@alexdima).