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Improved Enumerable and Dictionary enumeration in IL2CPP

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This commit is contained in:
sinaioutlander
2020-12-07 22:22:03 +11:00
parent a9faec8cf9
commit d181c0bee9
5 changed files with 186 additions and 124 deletions
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118
src/Inspectors/Reflection/InteractiveValue/InteractiveEnumerable.cs
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@ -37,6 +37,11 @@ namespace UnityExplorer.Inspectors.Reflection
internal IEnumerable RefIEnumerable;
internal IList RefIList;
#if CPP
internal Il2CppSystem.Collections.ICollection CppICollection;
#else
internal ICollection CppICollection = null;
#endif
internal readonly Type m_baseEntryType;
@ -49,6 +54,14 @@ namespace UnityExplorer.Inspectors.Reflection
RefIEnumerable = Value as IEnumerable;
RefIList = Value as IList;
#if CPP
if (Value != null && RefIList == null)
{
try { CppICollection = (Value as Il2CppSystem.Object).TryCast<Il2CppSystem.Collections.ICollection>(); }
catch { }
}
#endif
if (m_subContentParent.activeSelf)
{
GetCacheEntries();
@ -77,8 +90,8 @@ namespace UnityExplorer.Inspectors.Reflection
if (Value != null)
{
string count = "?";
if (m_recacheWanted && RefIList != null)
count = RefIList.Count.ToString();
if (m_recacheWanted && (RefIList != null || CppICollection != null))
count = RefIList?.Count.ToString() ?? CppICollection.Count.ToString();
else if (!m_recacheWanted)
count = m_entries.Count.ToString();
@ -169,89 +182,62 @@ namespace UnityExplorer.Inspectors.Reflection
RefreshDisplay();
}
#region CPP Helpers
#region CPP Helpers
#if CPP
// some temp fixes for Il2Cpp IEnumerables until interfaces are fixed
internal static readonly Dictionary<Type, MethodInfo> s_getEnumeratorMethods = new Dictionary<Type, MethodInfo>();
internal static readonly Dictionary<Type, EnumeratorInfo> s_enumeratorInfos = new Dictionary<Type, EnumeratorInfo>();
internal class EnumeratorInfo
{
internal MethodInfo moveNext;
internal PropertyInfo current;
}
private IEnumerable EnumerateWithReflection()
{
if (Value.IsNullOrDestroyed())
if (Value == null)
return null;
var genericDef = Value.GetType().GetGenericTypeDefinition();
if (genericDef == typeof(Il2CppSystem.Collections.Generic.List<>))
return CppListToMono(genericDef);
else if (genericDef == typeof(Il2CppSystem.Collections.Generic.HashSet<>))
return CppHashSetToMono();
else
return CppIListToMono();
}
// List<T>.ToArray()
private IEnumerable CppListToMono(Type genericTypeDef)
{
if (genericTypeDef == null) return null;
return genericTypeDef
.MakeGenericType(new Type[] { this.m_baseEntryType })
.GetMethod("ToArray")
.Invoke(Value, new object[0]) as IEnumerable;
}
// HashSet.GetEnumerator
private IEnumerable CppHashSetToMono()
{
var set = new HashSet<object>();
// invoke GetEnumerator
var enumerator = Value.GetType().GetMethod("GetEnumerator").Invoke(Value, null);
// get the type of it
var enumeratorType = enumerator.GetType();
// reflect MoveNext and Current
var moveNext = enumeratorType.GetMethod("MoveNext");
var current = enumeratorType.GetProperty("Current");
// iterate
while ((bool)moveNext.Invoke(enumerator, null))
set.Add(current.GetValue(enumerator));
return set;
}
// IList.Item
private IList CppIListToMono()
{
try
// new test
var CppEnumerable = (Value as Il2CppSystem.Object)?.TryCast<Il2CppSystem.Collections.IEnumerable>();
if (CppEnumerable != null)
{
var genericType = typeof(List<>).MakeGenericType(new Type[] { this.m_baseEntryType });
var list = (IList)Activator.CreateInstance(genericType);
var type = Value.GetType();
if (!s_getEnumeratorMethods.ContainsKey(type))
s_getEnumeratorMethods.Add(type, type.GetMethod("GetEnumerator"));
var enumerator = s_getEnumeratorMethods[type].Invoke(Value, null);
var enumeratorType = enumerator.GetType();
for (int i = 0; ; i++)
if (!s_enumeratorInfos.ContainsKey(enumeratorType))
{
try
s_enumeratorInfos.Add(enumeratorType, new EnumeratorInfo
{
var itm = Value?.GetType()
.GetProperty("Item")
.GetValue(Value, new object[] { i });
list.Add(itm);
}
catch { break; }
current = enumeratorType.GetProperty("Current"),
moveNext = enumeratorType.GetMethod("MoveNext"),
});
}
var info = s_enumeratorInfos[enumeratorType];
// iterate
var list = new List<object>();
while ((bool)info.moveNext.Invoke(enumerator, null))
list.Add(info.current.GetValue(enumerator));
return list;
}
catch (Exception e)
{
ExplorerCore.Log("Exception converting Il2Cpp IList to Mono IList: " + e.GetType() + ", " + e.Message);
return null;
}
return null;
}
#endif
#endregion
#endregion
#region UI CONSTRUCTION
#region UI CONSTRUCTION
internal GameObject m_listContent;
internal LayoutElement m_listLayout;
@ -296,6 +282,6 @@ namespace UnityExplorer.Inspectors.Reflection
contentFitter.verticalFit = ContentSizeFitter.FitMode.PreferredSize;
}
#endregion
#endregion
}
}