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More on Emitting Multi Dimentional Arrays
Here is a small code sample that demonstrate the problem. This doesn't work, but changing the Run method parameter to anything but a multi dimentional array does work.
public interface WithMatrix
{
void Run(int[,] matrix);
}
class Program
{
static void Main(string[] args)
{
AssemblyName assemblyName = new AssemblyName("test");
AssemblyBuilder assemblyBuilder = AppDomain.CurrentDomain
.DefineDynamicAssembly(assemblyName,AssemblyBuilderAccess.RunAndSave);
ModuleBuilder moduleBuilder = assemblyBuilder.DefineDynamicModule("myModule");
TypeBuilder typeBuilder = moduleBuilder.DefineType("Neo", TypeAttributes.Class);
typeBuilder.AddInterfaceImplementation(typeof(WithMatrix));
MethodBuilder methodBuilder = typeBuilder.DefineMethod("Run",
MethodAttributes.Public | MethodAttributes.Virtual,typeof(void), new Type[]{typeof(int[,])});
methodBuilder.GetILGenerator().Emit(OpCodes.Ret);
Type type = typeBuilder.CreateType();
}
}
Comments
I think Microsoft actually fucked up on this. I played around with it and there doesn't seem to be any way to define a method other than TypeBuilder.DefineMethod, which requires you to define everything manually.
I think a much more reasonable solution would be an overload of DefineMethod which accepts a MethodInfo instance as prototype. It would potentially save heaps of bug, even if we ignore this particular (esoteric) bug in the class library.
Anyway I suggest you open a bug report on this.
That works perfectly tho:
http://monoport.com/1811
While this is helpful, I have an existing code base that uses Reflection Emit, and it is not practical to move it to Cecil.
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