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1 //@ example:
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2 //@ emit Emit
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3 #include "stdafx.h"
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4
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5 using namespace System;
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6
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7 using namespace NUnit::Framework;
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8
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9 using namespace BLToolkit::Reflection;
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10 using namespace BLToolkit::Reflection::Emit;
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11
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12 namespace Examples {
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13 namespace Reflection {
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14 namespace Emit
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15 {
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16 [TestFixture]
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17 public ref class HelloWorld
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18 {
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19 public:
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20
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21 interface class IHello
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22 {
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23 void SayHello(String ^toWhom);
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24 };
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25
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26 [Test]
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27 void Test()
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28 {
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29 AssemblyBuilderHelper ^assembly = gcnew AssemblyBuilderHelper("HelloWorld.dll");
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30
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31 EmitHelper ^emit = assembly
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32 ->DefineType ("Hello", Object::typeid, IHello::typeid)
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33 ->DefineMethod(IHello::typeid->GetMethod("SayHello"))
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34 ->Emitter;
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35
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36 emit
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37 // string.Format("Hello, {0} World!", toWhom)
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38 //
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39 ->ldstr ("Hello, {0} World!")
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40 ->ldarg_1
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41 ->call (String::typeid, "Format", String::typeid, Object::typeid)
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42
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43 // Console.WriteLine("Hello, World!");
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44 //
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45 ->call (Console::typeid, "WriteLine", String::typeid)
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46 ->ret()
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47 ;
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48
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49 Type ^type = emit->Method->Type->Create();
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50
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51 IHello ^hello = (IHello^)TypeAccessor::CreateInstance(type);
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52
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53 hello->SayHello("C++");
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54 }
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55 };
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56 }}}
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57
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