Add SparseIntegerSwitch option.

ICSharpCode.Decompiler/DecompilerSettings.cs

@@ -599,6 +599,21 @@ namespace ICSharpCode.Decompiler
 			}
 		}
 
+		bool sparseIntegerSwitch = true;
+
+		[Category("C# 1.0 / VS .NET")]
+		[Description("DecompilerSettings.SparseIntegerSwitch")]
+		public bool SparseIntegerSwitch {
+			get { return sparseIntegerSwitch; }
+			set {
+				if (sparseIntegerSwitch != value)
+				{
+					sparseIntegerSwitch = value;
+					OnPropertyChanged();
+				}
+			}
+		}
+
 		bool usingDeclarations = true;
 
 		[Category("C# 1.0 / VS .NET")]

ICSharpCode.Decompiler/IL/ControlFlow/SwitchDetection.cs

@@ -134,6 +134,8 @@ namespace ICSharpCode.Decompiler.IL.ControlFlow
 
 		public void Run(ILFunction function, ILTransformContext context)
 		{
+			if (!context.Settings.SparseIntegerSwitch)
+				return;
 			this.context = context;
 
 			analysis.AllowUnreachableCases = context.Settings.RemoveDeadCode;

ILSpy/Properties/Resources.Designer.cs

@@ -1091,6 +1091,15 @@ namespace ICSharpCode.ILSpy.Properties {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Detect switch on integer even if IL code does not use a jump table.
+        /// </summary>
+        public static string DecompilerSettings_SparseIntegerSwitch {
+            get {
+                return ResourceManager.GetString("DecompilerSettings.SparseIntegerSwitch", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Switch expressions.
         /// </summary>

ILSpy/Properties/Resources.resx

@@ -393,6 +393,9 @@ Are you sure you want to continue?</value>
   <data name="DecompilerSettings.ShowInfoFromDebugSymbolsIfAvailable" xml:space="preserve">
     <value>Show info from debug symbols, if available</value>
   </data>
+  <data name="DecompilerSettings.SparseIntegerSwitch" xml:space="preserve">
+    <value>Detect switch on integer even if IL code does not use a jump table</value>
+  </data>
   <data name="DecompilerSettings.SwitchExpressions" xml:space="preserve">
     <value>Switch expressions</value>
   </data>