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Fix S2743 FN: Static fields of nested class inside generic class #9405

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merged 4 commits into from
Jun 6, 2024

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pavel-mikula-sonarsource
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Fixes #4081

private static bool HasGenericType(SonarSyntaxNodeReportingContext context, SyntaxNode root, string[] typeParameterNames) =>
root.DescendantNodesAndSelf()
.OfType<IdentifierNameSyntax>()
.Any(x => typeParameterNames.Contains(x.Identifier.Value) && context.SemanticModel.GetSymbolInfo(x).Symbol is { Kind: SymbolKind.TypeParameter });

private static bool BaseTypeHasGenericTypeArgument(TypeDeclarationSyntax typeDeclaration, string[] typeParameterNames) =>
typeDeclaration.BaseList is not null && typeDeclaration.BaseList.Types.Any(x => x.Type is GenericNameSyntax genericType && HasGenericTypeArgument(genericType, typeParameterNames));
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Suggested change
typeDeclaration.BaseList is not null && typeDeclaration.BaseList.Types.Any(x => x.Type is GenericNameSyntax genericType && HasGenericTypeArgument(genericType, typeParameterNames));
typeDeclaration.BaseList is {} baselist && baseList.Types.Any(x => x.Type is GenericNameSyntax genericType && HasGenericTypeArgument(genericType, typeParameterNames));

I like this more - up to you.

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@mary-georgiou-sonarsource mary-georgiou-sonarsource left a comment

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LGTM - I'm not merging as there are 2 PRs on the same rule and might be conflicting.

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sonarcloud bot commented Jun 6, 2024

Quality Gate Passed Quality Gate passed for 'Sonar .NET Java Plugin'

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud

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sonarcloud bot commented Jun 6, 2024

@pavel-mikula-sonarsource pavel-mikula-sonarsource merged commit 9085bd1 into master Jun 6, 2024
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@pavel-mikula-sonarsource pavel-mikula-sonarsource deleted the Pavel/S2743-FN branch June 6, 2024 09:09
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Fix S2743 FN: Static fields of nested class inside generic class
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