Data commit

Task/Introspection/C-sharp/introspection.cs

@@ -0,0 +1,81 @@
+using System;
+using System.Reflection;
+
+namespace Rosetta_Introspection
+{
+	static public class Program
+	{
+		static public int bloop = -10;
+		static public int bloop2 = -20;
+
+		public static void Main()
+		{
+			var asm = Assembly.GetExecutingAssembly();
+			var version = int.Parse(asm.ImageRuntimeVersion.Split('.')[0].Substring(1));
+			if (version < 4)
+			{
+				Console.WriteLine("Get with the program!  I'm outta here!");
+				return;
+			}
+
+			FieldInfo bloopField = null;
+
+			foreach (var type in asm.GetExportedTypes())
+			{
+				foreach (var field in type.GetFields())
+				{
+					if (field.Name != "bloop")
+					{
+						continue;
+					}
+					bloopField = field;
+					if (bloopField.FieldType != typeof(int))
+					{
+						throw new InvalidProgramException("bloop should be an integer");
+					}
+					break;
+				}
+				if (bloopField != null)
+				{
+					break;
+				}
+			}
+
+			if (bloopField == null)
+			{
+				throw new InvalidProgramException("No bloop exported value");
+			}
+			foreach (var refAsm in AppDomain.CurrentDomain.GetAssemblies())
+			{
+				foreach (var type in refAsm.GetExportedTypes())
+				{
+					if (type.Name == "Math")
+					{
+						var absMethod = type.GetMethod("Abs", new Type[] { typeof(int) });
+						if (absMethod != null)
+						{
+							Console.WriteLine("bloop's abs value = {0}", absMethod.Invoke(null, new object[] { bloopField.GetValue(null) }));
+						}
+					}
+				}
+			}
+
+			int intCount = 0;
+			int total = 0;
+
+			foreach (var type in asm.GetExportedTypes())
+			{
+				foreach (var field in type.GetFields())
+				{
+					if (field.FieldType == typeof(int))
+					{
+						intCount++;
+						total += (int)field.GetValue(null);
+					}
+				}
+			}
+			Console.WriteLine("{0} exported ints which total to {1}", intCount, total);
+			Console.ReadKey();
+		}
+	}
+}