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Fixed bug affecting HRESULT.ToString in StaticFieldHasValue.TryGetFieldName

master
David Hall 2024-06-06 11:11:51 -06:00
parent c201274dba
commit eff69a6fe8
1 changed files with 7 additions and 1 deletions
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8
PInvoke/Shared/FieldValueHash.cs
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@ -8,6 +8,7 @@ namespace Vanara.PInvoke;
/// <summary>Gets a static field's name from its value and caches the list for faster lookups.</summary>
public static class StaticFieldValueHash
{
private static readonly object cacheLock = new();
private static readonly Dictionary<(Type, Type), IDictionary<int, (string, string?)>> cache = [];
/// <summary>Adds the seqence of field values to the associated cache.</summary>
@ -63,7 +64,12 @@ public static class StaticFieldValueHash
hash = typeof(TType).GetFields(BindingFlags.Public | BindingFlags.Static).
Where(fi => fi.FieldType == typeof(TFieldType)).Distinct(FIValueComp<TFieldType>.Default).
ToDictionary<FieldInfo, int, (string, string?)>(fi => fi.GetValue(null)!.GetHashCode(), fi => (fi.Name, null));
cache.Add(tt, hash);
lock (cacheLock)
#if NET5_0_OR_GREATER || NETCOREAPP
cache.TryAdd(tt, hash);
#else
{ if (!cache.ContainsKey(tt)) cache.Add(tt, hash); }
#endif
}
var ret = hash.TryGetValue(value.GetHashCode(), out var t);
fieldName = t.Item1;