public object CreateWrapperFromType(Type templateType, MethodToProxify[] methodsToProxify, PropertyToProxify[] propsToProxify = null)
{
Trace.Assert(templateType != null);
Trace.Assert(methodsToProxify != null && methodsToProxify.Length > 0);
string ns = templateType.Assembly.FullName;
AssemblyBuilder assemblyBuilder = AppDomain.CurrentDomain.DefineDynamicAssembly(new AssemblyName(ns), SAVE_TEST_DLL ? AssemblyBuilderAccess.RunAndSave : AssemblyBuilderAccess.Run);
ModuleBuilder moduleBuilder = SAVE_TEST_DLL ? assemblyBuilder.DefineDynamicModule(ns, "testil.dll") : assemblyBuilder.DefineDynamicModule(ns);
TypeBuilder wrapperBuilder = moduleBuilder.DefineType(templateType.FullName + "Proxy", TypeAttributes.Public, typeof(JishProxy), new Type[0]);
CreateProxyConstructor(wrapperBuilder);
for (int i = 0; i < methodsToProxify.Length; i++)
{
CreateProxyMethod(wrapperBuilder, i, methodsToProxify.ElementAt(i));
}
if (propsToProxify != null)
{
for (int i = 0; i < propsToProxify.Length; i++)
{
GenerateProxyProperty(wrapperBuilder, i, propsToProxify.ElementAt(i));
}
}
Type wrapperType = wrapperBuilder.CreateType();
if (SAVE_TEST_DLL) assemblyBuilder.Save("testil.dll");
return Activator.CreateInstance(wrapperType, new object[] { methodsToProxify });
}
private void GenerateProxyProperty(TypeBuilder wrapperBuilder, int thisidx, PropertyToProxify propertyToProxify)
{
Trace.Assert(wrapperBuilder != null);
Trace.Assert(thisidx >= 0);
Trace.Assert(propertyToProxify != null);
PropertyInfo realProp = propertyToProxify.RealProperty;
Console.WriteLine("GenerateProxyProperty: " + realProp.Name);
PropertyBuilder propBuilder = wrapperBuilder.DefineProperty(realProp.Name, PropertyAttributes.HasDefault, realProp.PropertyType, new [] { realProp.PropertyType });
if (realProp.CanRead && realProp.GetGetMethod(false) != null)
{
MethodBuilder getMethod = wrapperBuilder.DefineMethod("get_internal_" + realProp.Name, MethodAttributes.Public, realProp.PropertyType, new Type[] {});
ILGenerator gen = getMethod.GetILGenerator();
SetReferenceToAppropriateThis(gen, thisidx);
gen.Emit(OpCodes.Call, realProp.GetGetMethod());
gen.Emit(OpCodes.Ret);
propBuilder.SetGetMethod(getMethod);
}
if (realProp.CanWrite && realProp.GetSetMethod(false) != null)
{
MethodBuilder setMethod = wrapperBuilder.DefineMethod("set_internal_" + realProp.Name, MethodAttributes.Public, null, new[] { realProp.PropertyType });
ILGenerator gen = setMethod.GetILGenerator();
SetReferenceToAppropriateThis(gen, 0);
gen.Emit(OpCodes.Ldarg_1);
gen.Emit(OpCodes.Call, realProp.GetSetMethod());
gen.Emit(OpCodes.Ret);
propBuilder.SetSetMethod(setMethod);
}
}
private void GenerateProxyProperty(TypeBuilder wrapperBuilder, int thisidx, PropertyToProxify propertyToProxify)
{
Trace.Assert(wrapperBuilder != null);
Trace.Assert(thisidx >= 0);
Trace.Assert(propertyToProxify != null);
PropertyInfo realProp = propertyToProxify.RealProperty;
Console.WriteLine("GenerateProxyProperty: " + realProp.Name);
PropertyBuilder propBuilder = wrapperBuilder.DefineProperty(realProp.Name, PropertyAttributes.HasDefault, realProp.PropertyType, new [] {realProp.PropertyType});
if (realProp.CanRead && realProp.GetGetMethod(false) != null)
{
MethodBuilder getMethod = wrapperBuilder.DefineMethod("get_internal_" + realProp.Name, MethodAttributes.Public, realProp.PropertyType, new Type[] {});
ILGenerator gen = getMethod.GetILGenerator();
SetReferenceToAppropriateThis(gen, thisidx);
gen.Emit(OpCodes.Call, realProp.GetGetMethod());
gen.Emit(OpCodes.Ret);
propBuilder.SetGetMethod(getMethod);
}
if (realProp.CanWrite && realProp.GetSetMethod(false) != null)
{
MethodBuilder setMethod = wrapperBuilder.DefineMethod("set_internal_" + realProp.Name, MethodAttributes.Public, null, new[] {realProp.PropertyType});
ILGenerator gen = setMethod.GetILGenerator();
SetReferenceToAppropriateThis(gen, 0);
gen.Emit(OpCodes.Ldarg_1);
gen.Emit(OpCodes.Call, realProp.GetSetMethod());
gen.Emit(OpCodes.Ret);
propBuilder.SetSetMethod(setMethod);
}
}
