private static Type CreateDelegateType(BasicSignature signature)
{
string delTypeName = signature.UniqueName;
TypeAttributes typeAttr = TypeAttributes.Class | TypeAttributes.Sealed | TypeAttributes.AnsiClass | TypeAttributes.AutoClass;
TypeBuilder del = CppLibrary.interopModule.DefineType(delTypeName, typeAttr, typeof(MulticastDelegate));
if (signature.CallingConvention.HasValue)
{
ConstructorInfo ufpa = typeof(UnmanagedFunctionPointerAttribute).GetConstructor(new Type [] { typeof(CallingConvention) });
CustomAttributeBuilder unmanagedPointer = new CustomAttributeBuilder(ufpa, new object [] { signature.CallingConvention.Value });
del.SetCustomAttribute(unmanagedPointer);
}
MethodAttributes ctorAttr = MethodAttributes.RTSpecialName | MethodAttributes.HideBySig | MethodAttributes.Public;
ConstructorBuilder ctor = del.DefineConstructor(ctorAttr, CallingConventions.Standard, new Type[] { typeof(object), typeof(System.IntPtr) });
ctor.SetImplementationFlags(MethodImplAttributes.Runtime | MethodImplAttributes.Managed);
Type [] parameterTypes = signature.ParameterTypes.ToArray();
MethodAttributes methodAttr = MethodAttributes.Public | MethodAttributes.HideBySig | MethodAttributes.NewSlot | MethodAttributes.Virtual;
MethodBuilder invokeMethod = del.DefineMethod("Invoke", methodAttr, signature.ReturnType, parameterTypes);
invokeMethod.SetImplementationFlags(MethodImplAttributes.Runtime | MethodImplAttributes.Managed);
return(del.CreateType());
}
public bool IsCompatibleWith(BasicSignature other)
{
return(CallingConvention == other.CallingConvention &&
((ParameterTypes == null && other.ParameterTypes == null) ||
ParameterTypes.SequenceEqual(other.ParameterTypes)) &&
ReturnType.Equals(other.ReturnType));
}
public static Type GetDelegateType(BasicSignature signature)
{
Type delegateType;
if (type_cache == null)
{
type_cache = new Dictionary <BasicSignature, Type> ();
}
if (!type_cache.TryGetValue(signature, out delegateType))
{
delegateType = CreateDelegateType(signature);
type_cache.Add(signature, delegateType);
}
return(delegateType);
}
