Add support for ternary operator

BusinessCentral.LinterCop.Test/Rule0089.cs

@@ -12,6 +12,9 @@ public void Setup()
     }
 
     [Test]
+#if !LessThenFall2024
+    [TestCase("ConditionalExpressionNested")]
+#endif
     [TestCase("IfStatement")]
     [TestCase("IfStatementNested")]
     public async Task HasDiagnostic(string testCase)

BusinessCentral.LinterCop.Test/TestCases/Rule0089/HasDiagnostic/ConditionalExpressionNested.al

@@ -0,0 +1,14 @@
+codeunit 50100 MyCodeunit
+{
+    procedure [|MyProcedure|](Day: Integer) // Cognitive Complexity: 15 (threshold >=15)
+    var
+        DayName: Text;
+    begin
+        DayName := (Day = 1) ? 'Monday' :      // +1 (nested = 0)
+               (Day = 2) ? 'Tuesday' :         // +2 (nested = 1)
+               (Day = 3) ? 'Wednesday' :       // +3 (nested = 2)
+               (Day = 4) ? 'Thursday' :        // +4 (nested = 3)
+               (Day = 5) ? 'Friday' :          // +5 (nested = 4)
+               'Invalid Day';
+    end;
+}

BusinessCentral.LinterCop/Design/Rule0089CognitiveComplexity.cs

@@ -3,13 +3,14 @@
 using Microsoft.Dynamics.Nav.CodeAnalysis.Syntax;
 using System.Collections.Immutable;
 using BusinessCentral.LinterCop.Helpers;
+using System.Collections.Concurrent;
 
 namespace BusinessCentral.LinterCop.Design;
 
 [DiagnosticAnalyzer]
 public class Rule0089CognitiveComplexity : DiagnosticAnalyzer
 {
-    private static readonly Dictionary<Compilation, int> thresholdCache = new();
+    private static readonly ConcurrentDictionary<Compilation, int> thresholdCache = new();
 
     private static readonly HashSet<SyntaxKind> flowBreakingKinds = new()
     {
@@ -29,7 +30,10 @@ public class Rule0089CognitiveComplexity : DiagnosticAnalyzer
         SyntaxKind.ForStatement,
         SyntaxKind.WhileStatement,
         SyntaxKind.CaseStatement,
-        SyntaxKind.RepeatStatement
+        SyntaxKind.RepeatStatement,
+#if !LessThenFall2024
+        SyntaxKind.ConditionalExpression
+#endif
     };
 
     public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics { get; } =

BusinessCentral.LinterCop/LinterCop.json

@@ -1,6 +1,7 @@
 {
   "cyclomaticComplexityThreshold": 8,
   "maintainabilityIndexThreshold": 20,
+  "cognitiveComplexityThreshold": 15,
   "enableRule0011ForTableFields": false,
   "enableRule0016ForApiObjects": false
 }