Fix analyzer RCS1093

ChangeLog.md

@@ -26,6 +26,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fix analyzer [RCS1032](https://josefpihrt.github.io/docs/roslynator/analyzers/RCS1032) ([PR](https://github.com/dotnet/roslynator/pull/1289))
 - Fix analyzer [RCS1176](https://josefpihrt.github.io/docs/roslynator/analyzers/RCS1176) ([PR](https://github.com/dotnet/roslynator/pull/1291))
 - Fix analyzer [RCS1197](https://josefpihrt.github.io/docs/roslynator/analyzers/RCS1197) ([PR](https://github.com/dotnet/roslynator/pull/1166))
+- Fix analyzer [RCS1093](https://josefpihrt.github.io/docs/roslynator/analyzers/RCS1093) ([PR](https://github.com/dotnet/roslynator/pull/1296))
 
 ## [4.6.4] - 2023-11-24
 

src/Analyzers/CSharp/Analysis/FileContainsNoCodeAnalyzer.cs

@@ -1,5 +1,6 @@
 // Copyright (c) .NET Foundation and Contributors. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
+using System;
 using System.Collections.Immutable;
 using Microsoft.CodeAnalysis;
 using Microsoft.CodeAnalysis.CSharp;
@@ -40,11 +41,36 @@ private static void AnalyzeCompilationUnit(SyntaxNodeAnalysisContext context)
 
         if (compilationUnit.Span == token.Span
             && !token.HasTrailingTrivia
-            && !token.LeadingTrivia.Any(f => f.IsKind(
-                SyntaxKind.IfDirectiveTrivia,
-                SyntaxKind.ElseDirectiveTrivia,
-                SyntaxKind.ElifDirectiveTrivia,
-                SyntaxKind.EndIfDirectiveTrivia)))
+            && !token.LeadingTrivia.Any(trivia =>
+            {
+                switch (trivia.Kind())
+                {
+                    case SyntaxKind.IfDirectiveTrivia:
+                    case SyntaxKind.ElseDirectiveTrivia:
+                    case SyntaxKind.ElifDirectiveTrivia:
+                    case SyntaxKind.EndIfDirectiveTrivia:
+                        {
+                            return true;
+                        }
+                    case SyntaxKind.PragmaWarningDirectiveTrivia:
+                        {
+                            var pragma = (PragmaWarningDirectiveTriviaSyntax)trivia.GetStructure();
+
+                            foreach (ExpressionSyntax errorCode in pragma.ErrorCodes)
+                            {
+                                if (errorCode is IdentifierNameSyntax identifierName
+                                    && string.Equals(identifierName.Identifier.ValueText, DiagnosticRules.FileContainsNoCode.Id, StringComparison.OrdinalIgnoreCase))
+                                {
+                                    return true;
+                                }
+                            }
+
+                            break;
+                        }
+                }
+
+                return false;
+            }))
         {
             SyntaxTree syntaxTree = compilationUnit.SyntaxTree;
 

src/Tests/Analyzers.Tests/RCS1093FileContainsNoCodeTests.cs

@@ -41,4 +41,18 @@ class C
 
 ");
     }
+
+    [Fact, Trait(Traits.Analyzer, DiagnosticIdentifiers.FileContainsNoCode)]
+    public async Task TestNoDiagnostic_PragmaWarningDirective()
+    {
+        await VerifyNoDiagnosticAsync(@"#pragma warning disable RCS1093 // Remove file with no code.
+//using System;
+//using System.Collections.Generic;
+//using System.Data;
+//using System.IO;
+
+//public class TestClass
+//{
+//}");
+    }
 }