Update 'use expr body' to be a purely syntactic analyzer (#79979)

CyrusNajmabadi · web-flow · commit 15ea19f034cc · 2025-08-19T23:23:14.000-04:00
diff --git a/src/Analyzers/CSharp/Analyzers/UseExpressionBody/UseExpressionBodyDiagnosticAnalyzer.cs b/src/Analyzers/CSharp/Analyzers/UseExpressionBody/UseExpressionBodyDiagnosticAnalyzer.cs
@@ -40,7 +40,7 @@ public UseExpressionBodyDiagnosticAnalyzer()
     }
 
     public override DiagnosticAnalyzerCategory GetAnalyzerCategory()
-        => DiagnosticAnalyzerCategory.SemanticSpanAnalysis;
+        => DiagnosticAnalyzerCategory.SyntaxTreeWithoutSemanticsAnalysis;
 
     protected override void InitializeWorker(AnalysisContext context)
         => context.RegisterSyntaxNodeAction(AnalyzeSyntax, _syntaxKinds);

Original file line number	Diff line number	Diff line change
`@@ -40,7 +40,7 @@ public UseExpressionBodyDiagnosticAnalyzer()`
`40`	`40`	`}`
`41`	`41`
`42`	`42`	`public override DiagnosticAnalyzerCategory GetAnalyzerCategory()`
`43`		`- => DiagnosticAnalyzerCategory.SemanticSpanAnalysis;`
	`43`	`+ => DiagnosticAnalyzerCategory.SyntaxTreeWithoutSemanticsAnalysis;`
`44`	`44`
`45`	`45`	`protected override void InitializeWorker(AnalysisContext context)`
`46`	`46`	`=> context.RegisterSyntaxNodeAction(AnalyzeSyntax, _syntaxKinds);`