Add NonAwaitableTypeAttribute for MA0042/MA0045#1153
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Add a dedicated annotations attribute to configure MA0042/MA0045 await exclusions by type, wire it into await and await-using analysis, and update tests and docs accordingly. Co-authored-by: Copilot <[email protected]>
Limit NonAwaitableTypeAttribute matching to the declared type instead of its hierarchy, add regression tests for derived await/await-using cases, and document exact-type semantics. Co-authored-by: Copilot <[email protected]>
Centralize NonAwaitableTypeAttribute parsing/matching in AwaitableTypes so rules sharing awaitable detection can reuse it, and update MA0042/MA0045 to consume the shared API. Add regression coverage for MA0134 and MA0137 behavior with NonAwaitableTypeAttribute. Co-authored-by: Copilot <[email protected]>
Update MA0100, MA0134, MA0137, and MA0138 documentation to describe NonAwaitableTypeAttribute support and exact-type matching behavior. Co-authored-by: Copilot <[email protected]>
Add test coverage for NonAwaitableTypeAttribute(typeof(T<>)) so open generic declarations are validated across MA0042, MA0134, and MA0137 behaviors. Co-authored-by: Copilot <[email protected]>
Ensure each rule doc mentioning NonAwaitableTypeAttribute also references the Meziantou.Analyzer.Annotations README, following the MA0042 pattern. Co-authored-by: Copilot <[email protected]>
Adjust AwaitableTypes to evaluate only the provided type in IsNonAwaitableType, without unwrapping Task<T>/ValueTask<T>. Update rule tests to reflect task-wrapped types are no longer excluded by inner type annotations. Co-authored-by: Copilot <[email protected]>
Inline ValueTask and ValueTask generic symbol lookups directly in the constructor branch and remove temporary locals. Co-authored-by: Copilot <[email protected]>
Co-authored-by: Copilot <[email protected]>
This was referenced May 12, 2026
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This was referenced May 16, 2026
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MA0042/MA0045 needed a clear attribute-based way to opt out of
awaitandawait usingrecommendations for specific types. The existingExcludeFromBlockingCallAnalysisAttributeonly targeted member-level blocking-call diagnostics and did not provide a dedicated type-level await exclusion model.What changed
NonAwaitableTypeAttributeinMeziantou.Analyzer.Annotations(assembly-level,Typeargument) and bumped the annotations package version.AwaitableTypes.ExcludeFromBlockingCallAnalysisAttribute) and type-level await exclusion (NonAwaitableTypeAttribute) as separate concepts.Fix #1152