private static ReflectionEmitUtils.SetterMethod GenerateSetter(Type memberType, Type parentType, Action <ILGenerator> codeGenerator)
{
Type typeFromHandle = typeof(void);
Type[] argumentTypes = new Type[]
{
typeof(object),
typeof(object)
};
return(ReflectionEmitUtils.GenerateMethod <ReflectionEmitUtils.SetterMethod>(typeFromHandle, argumentTypes, parentType, delegate(ILGenerator il)
{
il.Emit(OpCodes.Ldarg_0);
if (parentType.IsValueType)
{
il.Emit(OpCodes.Unbox, parentType);
}
else
{
il.Emit(OpCodes.Castclass, parentType);
}
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Unbox_Any, memberType);
codeGenerator(il);
}));
}
public static ReflectionEmitUtils.ConstructorMethod GenerateConstructor(Type type)
{
ConstructorInfo constructor = null;
if (!type.IsValueType)
{
constructor = type.GetConstructor(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic, null, Type.EmptyTypes, null);
if (constructor == null)
{
return(null);
}
}
Type typeFromHandle = typeof(object);
Type[] emptyTypes = Type.EmptyTypes;
return(ReflectionEmitUtils.GenerateMethod <ReflectionEmitUtils.ConstructorMethod>(typeFromHandle, emptyTypes, type, delegate(ILGenerator il)
{
if (type.IsValueType)
{
il.DeclareLocal(type);
il.Emit(OpCodes.Ldloca_S, 0);
il.Emit(OpCodes.Initobj, type);
il.Emit(OpCodes.Ldloc_0);
il.Emit(OpCodes.Box, type);
return;
}
il.Emit(OpCodes.Newobj, constructor);
}));
}
public static ReflectionEmitUtils.SetterMethod GenerateAddToCollection(Type collectionType, Type elementType)
{
Type typeFromHandle = typeof(void);
Type[] argumentTypes = new Type[]
{
typeof(object),
typeof(object)
};
return(ReflectionEmitUtils.GenerateMethod <ReflectionEmitUtils.SetterMethod>(typeFromHandle, argumentTypes, elementType, delegate(ILGenerator il)
{
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Castclass, collectionType);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Unbox_Any, elementType);
Type[] types = new Type[]
{
elementType
};
MethodInfo method = collectionType.GetMethod("Add", types);
il.Emit(OpCodes.Callvirt, method);
}));
}