Update Language Feature Status.md #57227
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This was referenced Oct 19, 2021
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* Addresses the first bullet point in #56843. Prior to this change, compiler diagnostic analyzer could only be run from the IDE for entire document span. This is primarily due to lack of an analyzer API that allows the analyzer to register a span-based semantic diagnostic callback. Though we can consider designing and adding such an analyzer API, it would be purely an IDE-only analyzer action, as analyzers are never executed for a span in batch compilation mode - this would make it difficult to justify adding such an API. With this PR, we add a workaround in the analyzer driver to allow executing compiler analyzer's semantic model action scoped to a filter span. This should speed up executing the compiler analyzer for lightbulb scenarios in the IDE, which are always scoped to current line span. Verified that both the compiler and IDE tests added with this PR fail prior to the product changes. **NOTE:** This change would not give us any perceivable improvement in non-async lightbulb scenario, as we are extremely likely to have at least one other analyzer that needs to run on the entire document. The performance improvement should be perceivable in async lightbulb scenario as the high priority code fixes bucket (add usings and merge conflict resolution) only run the compiler analyzer. * Update src/Compilers/Core/Portable/DiagnosticAnalyzer/DiagnosticAnalysisContext.cs * Add test and fix filtering by analysis scope. * Address further feedback * Add work item attribute to test * Remove GetAdjustedSpanForCompilerAnalyzerAsync workaround in the IDE * Unncessary usings * Revert "Unncessary usings" This reverts commit 510edb8. * Revert "Remove GetAdjustedSpanForCompilerAnalyzerAsync workaround in the IDE" This reverts commit 23e3310. * Update test to account for workaround in IDE DocumentAnalysisExecutor for #1557 * Address PR feedback * Fix VisualStudioActiveDocumentTracker to handle VSSELELEMID.SEID_WindowFrame Fixes #57203. Issue description has more details * Update src/Compilers/Core/Portable/DiagnosticAnalyzer/CompilationUnitCompletedEvent.cs * Apply arcade-powered source-build patches (#55823) * Don't include desktop artifacts that don't exist in source-build. Source-build doesn't have these artifacts available, even when we eventually will build desktop TFMs, because Roslyn is one of the first builds in source-build. Instead Roslyn is picking up reference packages that don't have the `lib` directory which is causing a build failure. This disables the attempt to grab these desktop artifacts so source-build just skips them instead. * Honor suppression on switch expression (#57204) * Merge pull request #57227 from dotnet/dev/rigibson/update-feature-status-2 Update Language Feature Status.md Co-authored-by: Manish Vasani <mavasani@microsoft.com> Co-authored-by: Chris Rummel <crummel@microsoft.com> Co-authored-by: Julien Couvreur <jcouv@users.noreply.github.com> Co-authored-by: Rikki Gibson <rigibson@microsoft.com>
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