private static void DefineSerializationConstructor(ModuleDefinition module, TypeDefinition targetType)
{
MethodReference getTypeFromHandle = module.ImportMethod <Type>("GetTypeFromHandle",
BindingFlags.Public | BindingFlags.Static);
var parameterTypes = new[] { typeof(SerializationInfo), typeof(StreamingContext) };
// Define the constructor signature
MethodDefinition serializationCtor = targetType.AddDefaultConstructor();
serializationCtor.AddParameters(parameterTypes);
serializationCtor.Attributes = MethodAttributes.HideBySig | MethodAttributes.SpecialName |
MethodAttributes.RTSpecialName | MethodAttributes.Public;
TypeReference interceptorInterfaceType = module.ImportType <IInterceptor>();
VariableDefinition interceptorTypeVariable = serializationCtor.AddLocal <Type>();
MethodBody body = serializationCtor.Body;
body.InitLocals = true;
CilWorker IL = serializationCtor.GetILGenerator();
IL.Emit(OpCodes.Ldtoken, interceptorInterfaceType);
IL.Emit(OpCodes.Call, getTypeFromHandle);
IL.Emit(OpCodes.Stloc, interceptorTypeVariable);
MethodReference defaultConstructor = module.ImportConstructor <object>();
IL.Emit(OpCodes.Ldarg_0);
IL.Emit(OpCodes.Call, defaultConstructor);
// __interceptor = (IInterceptor)info.GetValue("__interceptor", typeof(IInterceptor));
MethodReference getValue = module.ImportMethod <SerializationInfo>("GetValue");
IL.Emit(OpCodes.Ldarg_0);
IL.Emit(OpCodes.Ldarg_1);
IL.Emit(OpCodes.Ldstr, "__interceptor");
IL.Emit(OpCodes.Ldloc, interceptorTypeVariable);
IL.Emit(OpCodes.Callvirt, getValue);
IL.Emit(OpCodes.Castclass, interceptorInterfaceType);
MethodReference setInterceptor = module.ImportMethod <IProxy>("set_Interceptor");
IL.Emit(OpCodes.Callvirt, setInterceptor);
;
IL.Emit(OpCodes.Ret);
}
/// <summary>
/// Adds a new method to the <paramref name="typeDef">target type</paramref>.
/// </summary>
/// <param name="typeDef">The type that will hold the newly-created method.</param>
/// <param name="attributes">The <see cref="Mono.Cecil.MethodAttributes"/> parameter that describes the characteristics of the method.</param>
/// <param name="methodName">The name to be given to the new method.</param>
/// <param name="returnType">The method return type.</param>
/// <param name="callingConvention">The calling convention of the method being created.</param>
/// <param name="parameterTypes">The list of argument types that will be used to define the method signature.</param>
/// <returns>A <see cref="MethodDefinition"/> instance that represents the newly-created method.</returns>
public static MethodDefinition DefineMethod(this TypeDefinition typeDef, string methodName,
MethodAttributes attributes, MethodCallingConvention callingConvention, Type returnType, params Type[] parameterTypes)
{
var method = new MethodDefinition(methodName, attributes, null)
{
CallingConvention = callingConvention
};
typeDef.Methods.Add(method);
// Match the parameter types
method.AddParameters(parameterTypes);
// Match the return type
method.SetReturnType(returnType);
return(method);
}
/// <summary>
/// Adds a new method to the <paramref name="typeDef">target type</paramref>.
/// </summary>
/// <param name="typeDef">The type that will hold the newly-created method.</param>
/// <param name="attributes">The <see cref="MethodAttributes"/> parameter that describes the characteristics of the method.</param>
/// <param name="methodName">The name to be given to the new method.</param>
/// <param name="returnType">The method return type.</param>
/// <param name="parameterTypes">The list of argument types that will be used to define the method signature.</param>
/// <param name="genericParameterTypes">The list of generic argument types that will be used to define the method signature.</param>
/// <returns>A <see cref="MethodDefinition"/> instance that represents the newly-created method.</returns>
public static MethodDefinition DefineMethod(this TypeDefinition typeDef, string methodName,
MethodAttributes attributes, Type returnType, Type[] parameterTypes, Type[] genericParameterTypes)
{
var method = new MethodDefinition(methodName, attributes, null);
typeDef.Methods.Add(method);
//Match the generic parameter types
foreach (var genericParameterType in genericParameterTypes)
{
method.AddGenericParameter(genericParameterType);
}
// Match the parameter types
method.AddParameters(parameterTypes);
// Match the return type
method.SetReturnType(returnType);
return(method);
}
/// <summary>
/// Adds a new method to the <paramref name="typeDef">target type</paramref>.
/// </summary>
/// <param name="typeDef">The type that will hold the newly-created method.</param>
/// <param name="attributes">The <see cref="Mono.Cecil.MethodAttributes"/> parameter that describes the characteristics of the method.</param>
/// <param name="methodName">The name to be given to the new method.</param>
/// <param name="returnType">The method return type.</param>
/// <param name="parameterTypes">The list of argument types that will be used to define the method signature.</param>
/// <param name="genericParameterTypes">The list of generic argument types that will be used to define the method signature.</param>
/// <returns>A <see cref="MethodDefinition"/> instance that represents the newly-created method.</returns>
public static MethodDefinition DefineMethod(this TypeDefinition typeDef, string methodName,
Mono.Cecil.MethodAttributes attributes, System.Type returnType, System.Type[] parameterTypes, System.Type[] genericParameterTypes)
{
var method = new MethodDefinition(methodName, attributes, typeDef.Module.Import(typeof(object)));
typeDef.Methods.Add(method);
//Match the generic parameter types
foreach (var genericParameterType in genericParameterTypes)
{
method.AddGenericParameter(genericParameterType);
}
// Match the parameter types
method.AddParameters(parameterTypes);
// Match the return type
method.SetReturnType(returnType);
return(method);
}