/// <summary>
/// Tries to create a new StandardUserDataPropertyDescriptor, returning <c>null</c> in case the property is not
/// visible to script code.
/// </summary>
/// <param name="pi">The PropertyInfo.</param>
/// <param name="accessMode">The <see cref="InteropAccessMode" /></param>
/// <returns>A new StandardUserDataPropertyDescriptor or null.</returns>
public static PropertyMemberDescriptor TryCreateIfVisible(PropertyInfo pi, InteropAccessMode accessMode)
{
MethodInfo getter = Framework.Do.GetGetMethod(pi);
MethodInfo setter = Framework.Do.GetSetMethod(pi);
bool?pvisible = pi.GetVisibilityFromAttributes();
bool?gvisible = getter.GetVisibilityFromAttributes();
bool?svisible = setter.GetVisibilityFromAttributes();
if (pvisible.HasValue)
{
return(PropertyMemberDescriptor.TryCreate(pi, accessMode,
(gvisible ?? pvisible.Value) ? getter : null,
(svisible ?? pvisible.Value) ? setter : null));
}
else
{
return(PropertyMemberDescriptor.TryCreate(pi, accessMode,
(gvisible ?? getter.IsPublic) ? getter : null,
(svisible ?? setter.IsPublic) ? setter : null));
}
}
/// <summary>
/// Fills the member list.
/// </summary>
private void FillMemberList()
{
HashSet <string> membersToIgnore = new HashSet <string>(
Framework.Do.GetCustomAttributes(this.Type, typeof(MoonSharpHideMemberAttribute), true)
.OfType <MoonSharpHideMemberAttribute>()
.Select(a => a.MemberName)
);
Type type = this.Type;
if (AccessMode == InteropAccessMode.HideMembers)
{
return;
}
if (!type.IsDelegateType())
{
// add declared constructors
foreach (ConstructorInfo ci in Framework.Do.GetConstructors(type))
{
if (membersToIgnore.Contains("__new"))
{
continue;
}
AddMember("__new", MethodMemberDescriptor.TryCreateIfVisible(ci, this.AccessMode));
}
// valuetypes don't reflect their empty ctor.. actually empty ctors are a perversion, we don't care and implement ours
if (Framework.Do.IsValueType(type) && !membersToIgnore.Contains("__new"))
{
AddMember("__new", new ValueTypeDefaultCtorMemberDescriptor(type));
}
}
// add methods to method list and metamethods
foreach (MethodInfo mi in Framework.Do.GetMethods(type))
{
if (membersToIgnore.Contains(mi.Name))
{
continue;
}
MethodMemberDescriptor md = MethodMemberDescriptor.TryCreateIfVisible(mi, this.AccessMode);
if (md != null)
{
if (!MethodMemberDescriptor.CheckMethodIsCompatible(mi, false))
{
continue;
}
// transform explicit/implicit conversions to a friendlier name.
string name = mi.Name;
if (mi.IsSpecialName && (mi.Name == SPECIALNAME_CAST_EXPLICIT || mi.Name == SPECIALNAME_CAST_IMPLICIT))
{
name = mi.ReturnType.GetConversionMethodName();
}
AddMember(name, md);
foreach (string metaname in mi.GetMetaNamesFromAttributes())
{
AddMetaMember(metaname, md);
}
}
}
// get properties
foreach (PropertyInfo pi in Framework.Do.GetProperties(type))
{
if (pi.IsSpecialName || pi.GetIndexParameters().Any() || membersToIgnore.Contains(pi.Name))
{
continue;
}
AddMember(pi.Name, PropertyMemberDescriptor.TryCreateIfVisible(pi, this.AccessMode));
}
// get fields
foreach (FieldInfo fi in Framework.Do.GetFields(type))
{
if (fi.IsSpecialName || membersToIgnore.Contains(fi.Name))
{
continue;
}
AddMember(fi.Name, FieldMemberDescriptor.TryCreateIfVisible(fi, this.AccessMode));
}
// get events
foreach (EventInfo ei in Framework.Do.GetEvents(type))
{
if (ei.IsSpecialName || membersToIgnore.Contains(ei.Name))
{
continue;
}
AddMember(ei.Name, EventMemberDescriptor.TryCreateIfVisible(ei, this.AccessMode));
}
// get nested types and create statics
foreach (Type nestedType in Framework.Do.GetNestedTypes(type))
{
if (membersToIgnore.Contains(nestedType.Name))
{
continue;
}
if (!Framework.Do.IsGenericTypeDefinition(nestedType))
{
if (Framework.Do.IsNestedPublic(nestedType) || Framework.Do.GetCustomAttributes(nestedType, typeof(MoonSharpUserDataAttribute), true).Length > 0)
{
var descr = UserData.RegisterType(nestedType, this.AccessMode);
if (descr != null)
{
AddDynValue(nestedType.Name, UserData.CreateStatic(nestedType));
}
}
}
}
if (!membersToIgnore.Contains("[this]"))
{
if (Type.IsArray)
{
int rank = Type.GetArrayRank();
ParameterDescriptor[] get_pars = new ParameterDescriptor[rank];
ParameterDescriptor[] set_pars = new ParameterDescriptor[rank + 1];
for (int i = 0; i < rank; i++)
{
get_pars[i] = set_pars[i] = new ParameterDescriptor("idx" + i.ToString(), typeof(int));
}
set_pars[rank] = new ParameterDescriptor("value", Type.GetElementType());
AddMember(SPECIALNAME_INDEXER_SET, new ArrayMemberDescriptor(SPECIALNAME_INDEXER_SET, true, set_pars));
AddMember(SPECIALNAME_INDEXER_GET, new ArrayMemberDescriptor(SPECIALNAME_INDEXER_GET, false, get_pars));
}
else if (Type == typeof(Array))
{
AddMember(SPECIALNAME_INDEXER_SET, new ArrayMemberDescriptor(SPECIALNAME_INDEXER_SET, true));
AddMember(SPECIALNAME_INDEXER_GET, new ArrayMemberDescriptor(SPECIALNAME_INDEXER_GET, false));
}
}
}