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comparison Examples/CS/Reflection.Emit/HelloWorldNormal.cs @ 0:f990fcb411a9

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Копия текущей версии из github
author cin
date Thu, 27 Mar 2014 21:46:09 +0400
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-1:000000000000 0:f990fcb411a9
1 using System;
2 using System.Reflection;
3 using System.Reflection.Emit;
4 using System.Threading;
5
6 using NUnit.Framework;
7
8 namespace Examples.Reflection.Emit
9 {
10 [TestFixture]
11 public class HelloWorldNormal
12 {
13 public interface IHello
14 {
15 void SayHello(string toWhom);
16 }
17
18 [Test]
19 public void Test()
20 {
21 AssemblyName asmName = new AssemblyName();
22
23 asmName.Name = "HelloWorld";
24
25 AssemblyBuilder asmBuilder =
26 Thread.GetDomain().DefineDynamicAssembly(asmName, AssemblyBuilderAccess.RunAndSave);
27
28 ModuleBuilder modBuilder = asmBuilder.DefineDynamicModule("HelloWorld");
29
30 TypeBuilder typeBuilder = modBuilder.DefineType(
31 "Hello",
32 TypeAttributes.Public,
33 typeof(object),
34 new Type[] { typeof(IHello) });
35
36 MethodBuilder methodBuilder = typeBuilder.DefineMethod("SayHello",
37 MethodAttributes.Private | MethodAttributes.Virtual,
38 typeof(void),
39 new Type[] { typeof(string) });
40
41 typeBuilder.DefineMethodOverride(methodBuilder, typeof(IHello).GetMethod("SayHello"));
42
43 ILGenerator il = methodBuilder.GetILGenerator();
44
45 // string.Format("Hello, {0} World!", toWhom)
46 //
47 /*[a]*/il.Emit/*[/a]*/(OpCodes.Ldstr, "Hello, {0} World!");
48 /*[a]*/il.Emit/*[/a]*/(OpCodes.Ldarg_1);
49 /*[a]*/il.Emit/*[/a]*/(OpCodes.Call, typeof(string).GetMethod("Format", new Type[] { typeof(string), typeof(object) }));
50
51 // Console.WriteLine("Hello, World!");
52 //
53 /*[a]*/il.Emit/*[/a]*/(OpCodes.Call, typeof(Console).GetMethod("WriteLine", new Type[] { typeof(string) }));
54 /*[a]*/il.Emit/*[/a]*/(OpCodes.Ret);
55
56 Type type = typeBuilder.CreateType();
57
58 IHello hello = (IHello)Activator.CreateInstance(type);
59
60 hello.SayHello("Emit");
61 }
62 }
63 }