bbradson
1124 lines
37 KiB
C#
1124 lines
37 KiB
C#
// Copyright (c) 2023 bradson
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at https://mozilla.org/MPL/2.0/.
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using System.Diagnostics.CodeAnalysis;
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using System.Reflection.Emit;
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using System.Runtime.InteropServices;
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using System.Security;
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using System.Threading.Tasks;
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using PerformanceFish.Cache;
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using PerformanceFish.ModCompatibility;
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using ConstructorInfoCache
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= PerformanceFish.Cache.ByReference<System.RuntimeTypeHandle, System.Reflection.BindingFlags,
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PerformanceFish.System.ReflectionCaching.ByValueComparableArray<System.Type>,
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PerformanceFish.System.ReflectionCaching.TypePatches.ConstructorInfoCacheValue>;
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using FieldGetters
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= PerformanceFish.Cache.ByReferenceUnclearable<System.RuntimeFieldHandle,
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PerformanceFish.System.ReflectionCaching.FieldInfoPatches.FieldInfoGetterCache>;
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using FieldInfoCache
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= PerformanceFish.Cache.ByReference<System.RuntimeTypeHandle, System.Reflection.BindingFlags, string,
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PerformanceFish.System.ReflectionCaching.TypePatches.FieldInfoCacheValue>;
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using FieldSetters
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= PerformanceFish.Cache.ByReferenceUnclearable<System.RuntimeFieldHandle,
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PerformanceFish.System.ReflectionCaching.FieldInfoPatches.FieldInfoSetterCache>;
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using MethodInfoCache
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= PerformanceFish.Cache.ByReference<System.RuntimeTypeHandle, System.Reflection.BindingFlags, string,
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PerformanceFish.System.ReflectionCaching.TypePatches.MethodInfoCacheValue>;
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using MethodInfoWithTypesAndFlagsCache
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= PerformanceFish.Cache.ByReference<System.RuntimeTypeHandle, System.Reflection.BindingFlags, string,
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PerformanceFish.System.ReflectionCaching.ByValueComparableArray<System.Type>,
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PerformanceFish.System.ReflectionCaching.TypePatches.MethodInfoCacheValue>;
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using MethodInfoWithTypesCache
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= PerformanceFish.Cache.ByReference<System.RuntimeTypeHandle, string,
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PerformanceFish.System.ReflectionCaching.ByValueComparableArray<System.Type>,
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PerformanceFish.System.ReflectionCaching.TypePatches.MethodInfoCacheValue>;
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using MethodInvokers
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= PerformanceFish.Cache.ByReferenceUnclearable<System.RuntimeMethodHandle,
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PerformanceFish.System.ReflectionCaching.MethodBasePatches.MethodInvokerCache>;
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using PropertyInfoCache
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= PerformanceFish.Cache.ByReference<System.RuntimeTypeHandle, System.Reflection.BindingFlags, string,
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PerformanceFish.System.ReflectionCaching.TypePatches.PropertyInfoCacheValue>;
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using CustomAttributeCache
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= PerformanceFish.Cache.ByReference<System.Reflection.ICustomAttributeProvider, System.RuntimeTypeHandle, bool,
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PerformanceFish.System.ReflectionCaching.MonoCustomAttrs.CustomAttributeCacheValue>;
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using TypeFullNameCache
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= PerformanceFish.Cache.ByReferenceUnclearable<System.RuntimeTypeHandle,
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PerformanceFish.System.ReflectionCaching.TypePatches.TypeFullNameCacheValue>;
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using ActivatorCache
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= PerformanceFish.Cache.ByReferenceUnclearable<System.RuntimeTypeHandle,
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PerformanceFish.System.ReflectionCaching.ActivatorPatches.ActivatorCacheValue>;
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// using ActivatorWithArgumentsCache
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// = PerformanceFish.Cache.ByReference<System.RuntimeTypeHandle,
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// PerformanceFish.System.ReflectionCaching.ByValueComparableArray<System.Type>,
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// PerformanceFish.System.ReflectionCaching.ActivatorPatches.ActivatorCacheValue>;
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namespace PerformanceFish.System;
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public sealed class ReflectionCaching : ClassWithFishPatches
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{
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static ReflectionCaching() // necessary to prevent recursion between patches and function pointer creation
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{
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try
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{
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ConstructorInfoCache.Initialize();
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FieldGetters.Initialize();
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FieldInfoCache.Initialize();
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FieldSetters.Initialize();
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MethodInfoCache.Initialize();
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MethodInfoWithTypesAndFlagsCache.Initialize();
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MethodInfoWithTypesCache.Initialize();
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MethodInvokers.Initialize();
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PropertyInfoCache.Initialize();
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}
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catch (Exception ex)
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{
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Log.Error($"Performance Fish encountered an exception while trying to initialize its ReflectionCaching:\n{
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ex}");
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}
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}
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public record struct StateAndFlags
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{
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public bool State;
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public BindingFlags Flags;
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}
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public sealed class TypePatches
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{
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public sealed class GetField_Patch : FishPatch
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{
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public override string Description { get; } = "Caches GetField lookups";
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public override MethodBase TargetMethodInfo { get; }
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= AccessTools.Method(typeof(RuntimeType), nameof(RuntimeType.GetField),
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[typeof(string), typeof(BindingFlags)])!;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool Prefix(Type __instance, string name, BindingFlags bindingAttr, out FieldInfo? __result,
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out StateAndFlags __state)
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{
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var key = new FieldInfoCache(__instance.TypeHandle, bindingAttr,
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ToLowerIfNeededForBindingFlags(name, bindingAttr));
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__result = FieldInfoCache.Get.GetOrAdd(ref key).Info;
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if (__result is null)
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{
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__state = new() { State = true, Flags = bindingAttr };
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return true;
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}
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else
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{
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__state = new() { State = false, Flags = bindingAttr };
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return false;
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static void Postfix(Type __instance, string name, FieldInfo? __result, StateAndFlags __state)
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{
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if (!__state.State || __result is null)
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return;
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UpdateCache(__instance, name, __result, __state);
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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private static void UpdateCache(Type __instance, string name, FieldInfo __result, StateAndFlags __state)
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=> FieldInfoCache.GetExistingReference(__instance.TypeHandle, __state.Flags,
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ToLowerIfNeededForBindingFlags(name, __state.Flags)).Info
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= __result;
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}
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public sealed class GetMethodWithFlags_Patch : FishPatch
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{
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public override string Description { get; } = "Caches GetMethod lookups";
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public override Expression<Action> TargetMethod { get; }
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// ReSharper disable once ReturnValueOfPureMethodIsNotUsed
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= static () => default(Type)!.GetMethod(null!, default(BindingFlags));
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool Prefix(Type __instance, string name, BindingFlags bindingAttr, out MethodInfo? __result,
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out bool __state)
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{
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var key = new MethodInfoCache(__instance.TypeHandle, bindingAttr,
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ToLowerIfNeededForBindingFlags(name, bindingAttr));
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__result = MethodInfoCache.Get.GetOrAdd(ref key).Info;
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return __state = __result is null;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static void Postfix(Type __instance, string name, BindingFlags bindingAttr, MethodInfo? __result,
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bool __state)
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{
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if (!__state || __result is null)
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return;
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UpdateCache(__instance, name, bindingAttr, __result);
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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private static void UpdateCache(Type __instance, string name, BindingFlags bindingAttr, MethodInfo __result)
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=> MethodInfoCache.GetExistingReference(__instance.TypeHandle, bindingAttr,
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ToLowerIfNeededForBindingFlags(name, bindingAttr)).Info
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= __result;
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}
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public sealed class GetMethodWithTypes_Patch : FishPatch
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{
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public override string Description { get; } = "Caches GetMethod lookups";
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public override Expression<Action> TargetMethod { get; }
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// ReSharper disable once ReturnValueOfPureMethodIsNotUsed
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= static () => default(Type)!.GetMethod(null!, null!);
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool Prefix(Type __instance, string name, Type[] types, out MethodInfo? __result,
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out bool __state)
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{
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var key = new MethodInfoWithTypesCache(__instance.TypeHandle, name, new(types));
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__result = MethodInfoWithTypesCache.Get.GetOrAdd(ref key).Info;
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return __state = __result is null;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static void Postfix(Type __instance, string name, Type[] types, MethodInfo? __result, bool __state)
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{
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if (!__state || __result is null)
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return;
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UpdateCache(__instance, name, types, __result);
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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private static void UpdateCache(Type __instance, string name, Type[] types, MethodInfo __result)
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=> MethodInfoWithTypesCache.GetExistingReference(__instance.TypeHandle, name, new(types)).Info
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= __result;
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}
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public sealed class GetMethodWithFlagsAndTypes_Patch : FishPatch
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{
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public override string Description { get; } = "Caches GetMethod lookups";
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public override Expression<Action> TargetMethod { get; }
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= static () => default(Type)!.GetMethod(null!, default, null, null!, null);
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool Prefix(Type __instance, string name, BindingFlags bindingAttr, Binder? binder,
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Type[] types, ParameterModifier[] modifiers, ref MethodInfo? __result, out bool __state)
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{
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if (binder != null || modifiers is { Length: > 0 })
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{
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__state = false;
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return true;
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}
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var key = new MethodInfoWithTypesAndFlagsCache(__instance.TypeHandle, bindingAttr,
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ToLowerIfNeededForBindingFlags(name, bindingAttr), new(types));
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__result = MethodInfoWithTypesAndFlagsCache.Get.GetOrAdd(ref key).Info;
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return __state = __result is null;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static void Postfix(Type __instance, string name, Type[] types, BindingFlags bindingAttr,
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MethodInfo? __result, bool __state)
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{
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if (!__state || __result is null)
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return;
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UpdateCache(__instance, name, types, bindingAttr, __result);
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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private static void UpdateCache(Type __instance, string name, Type[] types, BindingFlags bindingAttr,
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MethodInfo __result)
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=> MethodInfoWithTypesAndFlagsCache.GetExistingReference(__instance.TypeHandle, bindingAttr,
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ToLowerIfNeededForBindingFlags(name, bindingAttr),
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new(types)).Info = __result;
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}
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public sealed class GetConstructor_Patch : FishPatch
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{
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public override string Description { get; } = "Caches GetConstructor lookups";
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public override Expression<Action> TargetMethod { get; }
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= static () => default(Type)!.GetConstructor(default, null, null!, null);
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool Prefix(Type __instance, BindingFlags bindingAttr, Binder? binder, Type[] types,
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ParameterModifier[] modifiers, ref ConstructorInfo? __result, out bool __state)
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{
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if (binder != null || modifiers is { Length: > 0 })
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{
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__state = false;
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return true;
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}
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var key = new ConstructorInfoCache(__instance.TypeHandle, bindingAttr, new(types));
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__result = ConstructorInfoCache.Get.GetOrAdd(ref key).Info;
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return __state = __result is null;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static void Postfix(Type __instance, BindingFlags bindingAttr, Type[] types,
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ConstructorInfo? __result, bool __state)
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{
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if (!__state || __result is null)
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return;
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UpdateCache(__instance, bindingAttr, types, __result);
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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private static void UpdateCache(Type __instance, BindingFlags bindingAttr, Type[] types,
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ConstructorInfo __result)
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=> ConstructorInfoCache.GetExistingReference(__instance.TypeHandle, bindingAttr, new(types)).Info
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= __result;
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}
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public sealed class GetProperty_Patch : FishPatch
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{
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public override string Description { get; } = "Caches GetProperty lookups";
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public override Expression<Action> TargetMethod { get; }
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// ReSharper disable once ReturnValueOfPureMethodIsNotUsed
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= static () => default(Type)!.GetProperty(null!, default(BindingFlags));
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool Prefix(Type __instance, string name, BindingFlags bindingAttr,
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out PropertyInfo? __result, out bool __state)
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{
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var key = new PropertyInfoCache(__instance.TypeHandle, bindingAttr,
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ToLowerIfNeededForBindingFlags(name, bindingAttr));
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__result = PropertyInfoCache.Get.GetOrAdd(ref key).Info;
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return __state = __result is null;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static void Postfix(Type __instance, string name, BindingFlags bindingAttr, PropertyInfo? __result,
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bool __state)
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{
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if (!__state || __result is null)
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return;
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UpdateCache(__instance, name, bindingAttr, __result);
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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private static void UpdateCache(Type __instance, string name, BindingFlags bindingAttr,
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PropertyInfo __result)
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=> PropertyInfoCache.GetExistingReference(__instance.TypeHandle, bindingAttr,
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ToLowerIfNeededForBindingFlags(name, bindingAttr)).Info
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= __result;
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}
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public sealed class GetFullName : FishPatch
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{
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public override string? Description { get; }
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= "Normally averages at over 1000ns per call. Caching makes this about 30 times faster, including "
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+ "Harmony overhead. Type.Name is similarly slow too, but unfortunately can't be patched as it's an "
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+ "internal call. This has a relatively large load time impact.";
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// https://github.com/Unity-Technologies/mono/blob/unity-2019.4-mbe/mono/metadata/icall.c#L2737-L2754
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public override MethodBase TargetMethodInfo { get; }
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= AccessTools.PropertyGetter(typeof(RuntimeType), nameof(RuntimeType.FullName));
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool Prefix(RuntimeType __instance, ref string? __result, out bool __state)
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{
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ref var cache = ref TypeFullNameCache.GetOrAddReference(__instance.TypeHandle);
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if (!cache.Cached && !TryGetFromCentralCache(__instance, ref cache))
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return __state = true;
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__result = cache.Name;
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return __state = false;
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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private static bool TryGetFromCentralCache(RuntimeType instance,
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ref TypeFullNameCacheValue cache)
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{
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lock (_lock)
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{
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ref var centralCache
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= ref TypeFullNameCache.GetDirectly.GetOrAddReference(instance.TypeHandle);
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cache.Name = centralCache.Name;
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}
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return cache.Cached;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static void Postfix(RuntimeType __instance, string? __result, bool __state)
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{
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if (!__state)
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return;
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UpdateCache(__instance, __result);
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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private static void UpdateCache(RuntimeType __instance, string? __result)
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{
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ref var cache = ref TypeFullNameCache.GetExistingReference(__instance.TypeHandle);
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cache.Name = __result;
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lock (_lock)
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{
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ref var centralCache
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= ref TypeFullNameCache.GetDirectly.GetReference(__instance.TypeHandle);
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centralCache.Name = __result;
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}
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}
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private static object _lock = new();
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}
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// probably never actually needed
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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[SuppressMessage("Globalization", "CA1308")]
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private static string ToLowerIfNeededForBindingFlags(string name, BindingFlags bindingAttr)
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=> (bindingAttr & BindingFlags.IgnoreCase) != 0 ? name.ToLowerInvariant() : name;
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public record struct FieldInfoCacheValue
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{
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public FieldInfo? Info;
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}
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public record struct MethodInfoCacheValue
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{
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public MethodInfo? Info;
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}
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public record struct ConstructorInfoCacheValue
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{
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public ConstructorInfo? Info;
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}
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public record struct PropertyInfoCacheValue
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{
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public PropertyInfo? Info;
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}
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public record struct TypeFullNameCacheValue
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{
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private object? _value;
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public TypeFullNameCacheValue() => _value = typeof(void);
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public string? Name
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{
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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get => Unsafe.As<string?>(_value);
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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set => _value = value;
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}
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public bool Cached
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{
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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get => _value is not MemberInfo;
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}
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}
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}
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public sealed class MonoCustomAttrs
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{
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public sealed class GetCustomAttributes : FishPatch
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{
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public override string? Description { get; }
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= "Caches attributes for reflection lookups. Decent load time improvement.";
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public override Delegate? TargetMethodGroup { get; }
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= (Func<ICustomAttributeProvider, Type, bool, object[]>)global::System.MonoCustomAttrs
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.GetCustomAttributes;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool Prefix(ICustomAttributeProvider obj, Type attributeType, bool inherit,
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out object[]? __result, out CustomAttributeState __state)
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{
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var key = new CustomAttributeCache(obj, (__state.AttributeType = attributeType).TypeHandle,
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__state.Inherit = inherit);
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ref var cache = ref CustomAttributeCache.GetOrAddReference(in key);
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if (cache.Attributes is null)
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TryGetFromCentralCache(ref key, ref cache);
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return __state.State = (__result = cache.Attributes) is null;
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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private static void TryGetFromCentralCache(ref CustomAttributeCache key,
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ref CustomAttributeCacheValue cache)
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{
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lock (_lock)
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cache.Attributes = CustomAttributeCache.GetDirectly.GetOrAdd(ref key).Attributes;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static void Postfix(ICustomAttributeProvider obj, object[]? __result,
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in CustomAttributeState __state)
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{
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if (!__state.State || __result is null)
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return;
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UpdateCache(obj, __state, __result);
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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private static void UpdateCache(ICustomAttributeProvider obj, in CustomAttributeState __state,
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object[]? __result)
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{
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var key = new CustomAttributeCache(obj, __state.AttributeType.TypeHandle, __state.Inherit);
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CustomAttributeCache.GetExistingReference(in key).Attributes = __result;
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lock (_lock)
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CustomAttributeCache.GetDirectly.GetReference(ref key).Attributes = __result;
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}
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private static object _lock = new();
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}
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public record struct CustomAttributeCacheValue
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{
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public object[]? Attributes;
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}
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public record struct CustomAttributeState
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{
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public bool State, Inherit;
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public Type AttributeType;
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}
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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public record struct ByValueComparableArray<T>
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where T : class
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{
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public byte Length;
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private int _hashCode;
|
|
public T[] Array;
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public ByValueComparableArray(T[] array)
|
|
{
|
|
Guard.IsNotNull(array);
|
|
Guard.IsLessThanOrEqualTo(array.Length, byte.MaxValue);
|
|
Array = array;
|
|
Length = (byte)array.Length;
|
|
_hashCode = HashCode.Combine((int)Length, Length > 0 && Array[0] is { } item ? item.GetHashCode() : 0);
|
|
}
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public bool Equals(ByValueComparableArray<T> other)
|
|
{
|
|
if (Length != other.Length)
|
|
return false;
|
|
|
|
for (var i = 0; i < Length; i++)
|
|
{
|
|
if (!Array[i].Equals(other.Array[i]))
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public override int GetHashCode()
|
|
=> _hashCode;
|
|
}
|
|
|
|
public sealed class ActivatorPatches
|
|
{
|
|
public sealed class CreateInstance_Type : FishPatch
|
|
{
|
|
public override List<string> IncompatibleModIDs { get; } = [PackageIDs.MULTIPLAYER];
|
|
|
|
public override string? Description { get; }
|
|
= "Optimizes the parameterless Activator.CreateInstance method by invoking through specialized cached "
|
|
+ "delegates";
|
|
|
|
public override Delegate? TargetMethodGroup { get; } = (Func<Type, object>)Activator.CreateInstance;
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public static bool Prefix(Type? type, ref object __result)
|
|
{
|
|
if (type is null)
|
|
return true;
|
|
|
|
ref var cache = ref ActivatorCache.GetOrAddReference(type.TypeHandle);
|
|
|
|
if (cache.Dirty
|
|
&& !ActivatorCache.UpdateAsyncCache<ActivatorCacheValue, Type, Func<object>>(ref cache,
|
|
type.TypeHandle, type))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
__result = cache.Result!();
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// public sealed class CreateInstance_Type_Args : FishPatch
|
|
// {
|
|
// public override Delegate? TargetMethodGroup { get; }
|
|
// = (Func<Type, object[], object>)Activator.CreateInstance;
|
|
// }
|
|
|
|
public record struct ActivatorCacheValue : IAsyncCacheable<RuntimeTypeHandle, Type, Func<object>>
|
|
{
|
|
public Func<object>? Result { get; set; }
|
|
public Task<Func<object>>? Task { get; set; }
|
|
public bool Dirty => Result == null;
|
|
|
|
public ValueTask<Func<object>?> MakeResultAsync(RuntimeTypeHandle key, Type type)
|
|
=> new(Reflection.CreateConstructorDelegate<Func<object>>(type));
|
|
}
|
|
|
|
// public record struct ActivatorWithArgumentsCacheValue : IAsyncCacheable<ActivatorWithArgumentsCache, Type,
|
|
// MethodBasePatches.MethodInvoker[]>
|
|
// {
|
|
// public MethodBasePatches.MethodInvoker[]? Result { get; set; }
|
|
// public Task<MethodBasePatches.MethodInvoker[]>? Task { get; set; }
|
|
// public bool Dirty => Result == null;
|
|
//
|
|
// public async ValueTask<MethodBasePatches.MethodInvoker[]?> MakeResultAsync(
|
|
// ActivatorWithArgumentsCache key, Type type)
|
|
// {
|
|
// var constructors = type.GetConstructors();
|
|
// var methodInvokerTasks = new List<Task<MethodBasePatches.MethodInvoker>>();
|
|
//
|
|
// foreach (var constructor in constructors)
|
|
// {
|
|
// var parameters = constructor.GetParameters();
|
|
//
|
|
// if (parameters.Length != key.Second.Length)
|
|
// continue;
|
|
//
|
|
// var parametersAreAssignable = true;
|
|
// for (var i = 0; i < parameters.Length; i++)
|
|
// {
|
|
// if (parameters[i].ParameterType.IsAssignableFrom(key.Second.Array[i]))
|
|
// parametersAreAssignable = false;
|
|
// }
|
|
//
|
|
// if (!parametersAreAssignable) // TODO: find the best constructor
|
|
// continue;
|
|
//
|
|
// methodInvokerTasks.Add(MethodInvokers
|
|
// .RequestFromCacheAsync<MethodBasePatches.MethodInvokerCache, MethodBase,
|
|
// MethodBasePatches.MethodInvoker>(constructor.MethodHandle, constructor));
|
|
// }
|
|
//
|
|
// var methodInvokers = new MethodBasePatches.MethodInvoker[methodInvokerTasks.Count];
|
|
// for (var i = 0; i < methodInvokerTasks.Count; i++)
|
|
// methodInvokers[i] = await methodInvokerTasks[i].ConfigureAwait(false);
|
|
//
|
|
// return methodInvokers;
|
|
// }
|
|
// }
|
|
}
|
|
|
|
// public static class Test // TODO: Toggle this when actually testing
|
|
// {
|
|
// [MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
// public static bool GetValue(FieldInfo __instance, object? obj, ref object? __result)
|
|
// {
|
|
// ref var cache = ref FieldGetters.GetOrAddReference(__instance.FieldHandle);
|
|
//
|
|
// if (cache.Dirty)
|
|
// cache.Result = FieldInfoPatches.MakeGetterDelegate(__instance);
|
|
//
|
|
// __result = cache.Result!(obj);
|
|
// return false;
|
|
// }
|
|
//
|
|
// [MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
// public static bool SetValue(FieldInfo __instance, object? obj, object? value)
|
|
// {
|
|
// ref var cache = ref FieldSetters.GetOrAddReference(__instance.FieldHandle);
|
|
//
|
|
// if (cache.Dirty)
|
|
// cache.Result = FieldInfoPatches.MakeSetterDelegate(__instance);
|
|
//
|
|
// cache.Result!(obj, value);
|
|
// return false;
|
|
// }
|
|
//
|
|
// [MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
// public static bool Invoke(MethodBase __instance, object? obj, object[]? parameters, ref object? __result)
|
|
// {
|
|
// ref var cache = ref MethodInvokers.GetOrAddReference(__instance.MethodHandle);
|
|
//
|
|
// if (cache.Dirty)
|
|
// cache.Result = MethodBasePatches.MakeInvokeDelegate(__instance);
|
|
//
|
|
// __result = cache.Result!(obj, parameters);
|
|
// return false;
|
|
// }
|
|
// }
|
|
|
|
public sealed class FieldInfoPatches
|
|
{
|
|
public sealed class GetValue_Patch : FishPatch
|
|
{
|
|
public override string Description { get; }
|
|
= "Optimizes the GetValue method by invoking it through specialized cached delegates";
|
|
|
|
//public GetValue_Patch()
|
|
//{
|
|
// var types = AllSubclassesNonAbstract(typeof(FieldInfo))
|
|
// .SelectMany(t
|
|
// => DeclaredMethodOrNothing(t, nameof(FieldInfo.GetValue), new[] { typeof(object) }))
|
|
// .Select(m => m.DeclaringType);
|
|
// Log.Message(types.ToStringSafeEnumerable());
|
|
//}
|
|
|
|
public override MethodBase TargetMethodInfo { get; }
|
|
= AccessTools.Method(typeof(MonoField), nameof(MonoField.GetValue))!;
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public static bool Prefix(FieldInfo __instance, object? obj, ref object? __result)
|
|
{
|
|
ref var cache = ref FieldGetters.GetOrAddReference(__instance.FieldHandle);
|
|
|
|
if (cache.Dirty
|
|
&& !FieldGetters.UpdateAsyncCache<FieldInfoGetterCache, FieldInfo, FieldGetter>(ref cache,
|
|
__instance.FieldHandle, __instance))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
__result = cache.Result!(obj);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public sealed class SetValue_Patch : FishPatch
|
|
{
|
|
public override string Description { get; }
|
|
= "Optimizes the SetValue method by invoking it through specialized cached delegates";
|
|
|
|
public override Expression<Action> TargetMethod { get; }
|
|
= static () => default(FieldInfo)!.SetValue(null, null);
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public static bool Prefix(FieldInfo __instance, object? obj, object? value)
|
|
{
|
|
ref var cache = ref FieldSetters.GetOrAddReference(__instance.FieldHandle);
|
|
|
|
if (cache.Dirty && !TryUpdate(__instance, ref cache))
|
|
return true;
|
|
|
|
cache.Result!(obj, value);
|
|
return false;
|
|
}
|
|
|
|
[MethodImpl(MethodImplOptions.NoInlining)]
|
|
private static bool TryUpdate(FieldInfo __instance, ref FieldInfoSetterCache cache)
|
|
=> cache.Task != _fieldSetterFailureTask && __instance.IsConst()
|
|
? ErrorForInvalidCallAttempt(__instance, ref cache)
|
|
: FieldSetters.UpdateAsyncCache<FieldInfoSetterCache, FieldInfo, FieldSetter>(ref cache,
|
|
__instance.FieldHandle, __instance);
|
|
|
|
[MethodImpl(MethodImplOptions.NoInlining)]
|
|
private static bool ErrorForInvalidCallAttempt(FieldInfo info, ref FieldInfoSetterCache cache)
|
|
{
|
|
cache.Task = _fieldSetterFailureTask;
|
|
Log.Error($"FieldInfo.SetValue has been called on '{
|
|
info.FullDescription()}'. This is a const that gets copied at compile time. An attempt at "
|
|
+ $"setting a value will always fail.");
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
private static Task<FieldSetter> _fieldSetterFailureTask = new(static () => null!);
|
|
|
|
public static FieldGetter? MakeGetterDelegate(FieldInfo info)
|
|
{
|
|
try
|
|
{
|
|
var dm = new DynamicMethod($"FieldGetter_{info.Name}", typeof(object), [typeof(object)],
|
|
GetOwnerType(info), true);
|
|
var il = dm.GetILGenerator();
|
|
|
|
TryEmitFieldInstanceArgument(il, info);
|
|
|
|
il.Emit(info.IsConst()
|
|
? FishTranspiler.Constant(info.GetRawConstantValue())
|
|
: FishTranspiler.Field(info));
|
|
|
|
if (info.FieldType.IsValueType)
|
|
il.Emit(FishTranspiler.Box(info.FieldType));
|
|
|
|
il.Emit(FishTranspiler.Return);
|
|
|
|
return (FieldGetter)dm.CreateDelegate(typeof(FieldGetter));
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Log.Error($"PerformanceFish failed to generate an optimized delegate for {
|
|
info.FullDescription()}. Reverting to default behaviour instead.\n{ex}\n{
|
|
Environment.StackTrace}");
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public static FieldSetter? MakeSetterDelegate(FieldInfo info)
|
|
{
|
|
try
|
|
{
|
|
var dm = new DynamicMethod($"FieldSetter_{info.Name}", typeof(void),
|
|
[typeof(object), typeof(object)], GetOwnerType(info), true);
|
|
var il = dm.GetILGenerator();
|
|
|
|
TryEmitFieldInstanceArgument(il, info);
|
|
|
|
il.Emit(FishTranspiler.Argument(1));
|
|
|
|
if (info.FieldType.IsValueType)
|
|
{
|
|
il.Emit(FishTranspiler.Call(typeof(ReflectionCaching),
|
|
info.FieldType.IsNullable() ? nameof(UnboxNullableSafely) : nameof(UnboxSafely),
|
|
[typeof(object)],
|
|
[
|
|
info.FieldType.IsNullable() // TODO: verify that this is actually correct
|
|
? Nullable.GetUnderlyingType(info.FieldType)
|
|
: info.FieldType
|
|
]));
|
|
}
|
|
else
|
|
{
|
|
il.Emit(FishTranspiler.Call(typeof(ReflectionCaching), nameof(CastOrConvert),
|
|
generics: [info.FieldType]));
|
|
}
|
|
|
|
il.Emit(FishTranspiler.StoreField(info));
|
|
|
|
il.Emit(FishTranspiler.Return);
|
|
|
|
return (FieldSetter)dm.CreateDelegate(typeof(FieldSetter));
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Log.Error($"PerformanceFish failed to generate an optimized delegate for {
|
|
info.FullDescription()}. Reverting to default behaviour instead.\n{ex}\n{
|
|
Environment.StackTrace}");
|
|
return null;
|
|
}
|
|
}
|
|
|
|
private static void TryEmitFieldInstanceArgument(ILGenerator il, FieldInfo info)
|
|
{
|
|
if (!info.IsStatic)
|
|
EmitInstanceArgument(il, info);
|
|
}
|
|
|
|
public record struct FieldInfoGetterCache : IAsyncCacheable<RuntimeFieldHandle, FieldInfo, FieldGetter>
|
|
{
|
|
public FieldGetter? Result { get; set; }
|
|
public Task<FieldGetter>? Task { get; set; }
|
|
|
|
public bool Dirty => Result == null;
|
|
|
|
public ValueTask<FieldGetter?> MakeResultAsync(RuntimeFieldHandle key, FieldInfo second)
|
|
=> new(MakeGetterDelegate(second));
|
|
}
|
|
|
|
public record struct FieldInfoSetterCache : IAsyncCacheable<RuntimeFieldHandle, FieldInfo, FieldSetter>
|
|
{
|
|
public FieldSetter? Result { get; set; }
|
|
public Task<FieldSetter>? Task { get; set; }
|
|
|
|
public bool Dirty => Result == null;
|
|
|
|
public ValueTask<FieldSetter?> MakeResultAsync(RuntimeFieldHandle key, FieldInfo second)
|
|
=> new(MakeSetterDelegate(second));
|
|
|
|
}
|
|
|
|
public delegate object? FieldGetter(object? obj);
|
|
|
|
public delegate void FieldSetter(object? obj, object? value);
|
|
}
|
|
|
|
public sealed class MethodBasePatches
|
|
{
|
|
public sealed class Invoke_Patch : FishPatch
|
|
{
|
|
public override bool DefaultState => false; // TODO: fix
|
|
|
|
public override string Description { get; }
|
|
= "Optimizes the Invoke method by compiling specialized cached delegates. Disabled by default due to "
|
|
+ "issues with various mods, like RIMMSqol and Performance Optimizer";
|
|
|
|
public override Expression<Action> TargetMethod { get; }
|
|
= static () => default(MethodBase)!.Invoke(null, null);
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public static bool Prefix(MethodBase __instance, object? obj, object[]? parameters, ref object? __result)
|
|
{
|
|
ref var cache = ref MethodInvokers.GetOrAddReference(__instance.MethodHandle);
|
|
|
|
// if (cache.Dirty) // TODO: remove
|
|
// {
|
|
// if (OnStartup.State.Initialized)
|
|
// {
|
|
// Log.Message($"Called Invoke for {__instance.FullDescription()} with {obj.ToStringSafe()}, {
|
|
// parameters?.Length.ToStringSafe() ?? "null"} parameters");
|
|
// }
|
|
//
|
|
// if (!MethodInvokers.UpdateAsyncCache<MethodInvokerCache, MethodBase, MethodInvoker>(ref cache,
|
|
// __instance.MethodHandle, __instance))
|
|
// {
|
|
// return true;
|
|
// }
|
|
// }
|
|
|
|
if (cache.Dirty
|
|
&& !MethodInvokers.UpdateAsyncCache<MethodInvokerCache, MethodBase, MethodInvoker>(ref cache,
|
|
__instance.MethodHandle, __instance))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
__result = cache.Result!(obj, parameters);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Similar to HarmonyLib.MethodInvoker, but correctly handles a couple of edge cases Harmony would throw on.
|
|
[SuppressMessage("Globalization", "CA1310")]
|
|
public static MethodInvoker? MakeInvokeDelegate(MethodBase methodBase)
|
|
{
|
|
if (methodBase.DeclaringType is null && methodBase.Name.StartsWith("PadMethod"))
|
|
return null; // padding methods generated by harmony for linux
|
|
|
|
try
|
|
{
|
|
var methodInfo = methodBase as MethodInfo;
|
|
if (methodInfo is { ReturnType.IsByRef: true })
|
|
return null; // how to box a ref return?
|
|
|
|
var constructorInfo = methodBase as ConstructorInfo;
|
|
|
|
if (methodInfo is null && constructorInfo is null)
|
|
return null;
|
|
|
|
var dm = new DynamicMethod($"MethodInvoker_{methodBase.Name}", typeof(object),
|
|
[typeof(object), typeof(object[])],
|
|
GetOwnerType(methodBase), true);
|
|
var il = dm.GetILGenerator();
|
|
|
|
var parameters = methodBase.GetParameters();
|
|
|
|
if (methodInfo != null && !methodBase.IsStatic)
|
|
EmitInstanceArgument(il, methodBase);
|
|
|
|
for (var i = 0; i < parameters.Length; i++)
|
|
{
|
|
il.Emit(FishTranspiler.Argument(1));
|
|
il.Emit(FishTranspiler.Constant(i));
|
|
|
|
var parameterType = parameters[i].ParameterType;
|
|
|
|
if (parameterType.IsByRef)
|
|
EmitInvokeByRefParameterLoad(il, parameterType);
|
|
else
|
|
EmitInvokeParameterLoad(il, parameterType);
|
|
}
|
|
|
|
if (methodInfo != null)
|
|
EmitInvokeMethodCall(methodBase, il, methodInfo);
|
|
else if (constructorInfo != null)
|
|
il.Emit(FishTranspiler.New(constructorInfo));
|
|
|
|
il.Emit(FishTranspiler.Return);
|
|
|
|
return (MethodInvoker)dm.CreateDelegate(typeof(MethodInvoker));
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Log.Warning($"PerformanceFish failed to generate an optimized delegate for {
|
|
Reflection.FullDescription(methodBase)}. Reverting to default behaviour instead.\n{ex}\n{
|
|
Environment.StackTrace}");
|
|
return null;
|
|
}
|
|
}
|
|
|
|
private static void EmitInvokeMethodCall(MethodBase methodBase, ILGenerator il, MethodInfo methodInfo)
|
|
{
|
|
il.Emit(FishTranspiler.Call(methodBase));
|
|
|
|
if (!methodInfo.ReturnType.IsValueType)
|
|
return;
|
|
|
|
il.Emit(methodInfo.ReturnType == typeof(void)
|
|
? FishTranspiler.Null
|
|
: FishTranspiler.Box(methodInfo.ReturnType));
|
|
}
|
|
|
|
private static void EmitInvokeParameterLoad(ILGenerator il, Type parameterType)
|
|
{
|
|
il.Emit(FishTranspiler.LoadElement<object>());
|
|
|
|
il.Emit(parameterType.IsValueType
|
|
? FishTranspiler.Call(typeof(ReflectionCaching),
|
|
parameterType.IsNullable() ? nameof(UnboxNullableSafely) : nameof(UnboxSafely),
|
|
[typeof(object)],
|
|
[
|
|
parameterType.IsNullable()
|
|
? Nullable.GetUnderlyingType(parameterType)
|
|
: parameterType
|
|
])
|
|
: FishTranspiler.Call(typeof(ReflectionCaching), nameof(CastOrConvert),
|
|
generics: [parameterType]));
|
|
}
|
|
|
|
private static void EmitInvokeByRefParameterLoad(ILGenerator il, Type parameterType)
|
|
{
|
|
parameterType = parameterType.GetElementType()!;
|
|
|
|
il.Emit(FishTranspiler.LoadElementAddress<object>());
|
|
|
|
if (parameterType.IsNullable())
|
|
{
|
|
il.Emit(FishTranspiler.Call(typeof(ReflectionCaching), nameof(VerifyNullableBoxObject),
|
|
generics: [Nullable.GetUnderlyingType(parameterType)]));
|
|
|
|
il.Emit(FishTranspiler.UnboxAddress(parameterType));
|
|
}
|
|
else
|
|
{
|
|
il.Emit(parameterType.IsValueType
|
|
? FishTranspiler.Call(typeof(ReflectionCaching), nameof(UnboxRefSafely),
|
|
generics:
|
|
[
|
|
/*parameterType.IsNullable()
|
|
? Nullable.GetUnderlyingType(parameterType)
|
|
:*/ parameterType
|
|
])
|
|
: FishTranspiler.Call(typeof(ReflectionCaching), nameof(CastRefSafely), generics: [parameterType]));
|
|
}
|
|
}
|
|
|
|
public record struct MethodInvokerCache : IAsyncCacheable<RuntimeMethodHandle, MethodBase, MethodInvoker>
|
|
{
|
|
public MethodInvoker? Result { get; set; }
|
|
public Task<MethodInvoker>? Task { get; set; }
|
|
public bool Dirty => Result == null;
|
|
|
|
public ValueTask<MethodInvoker?> MakeResultAsync(RuntimeMethodHandle key, MethodBase method)
|
|
=> new(MakeInvokeDelegate(method));
|
|
}
|
|
|
|
public delegate object? MethodInvoker(object? obj, object[]? parameters);
|
|
}
|
|
|
|
private static void EmitInstanceArgument(ILGenerator il, MemberInfo info)
|
|
{
|
|
var declaringType = info.DeclaringType!;
|
|
|
|
if (declaringType.IsValueType)
|
|
{
|
|
il.Emit(FishTranspiler.ArgumentAddress(0));
|
|
il.Emit(FishTranspiler.Call(typeof(ReflectionCaching), nameof(UnboxRefSafely), generics: [declaringType]));
|
|
}
|
|
else
|
|
{
|
|
il.Emit(FishTranspiler.This);
|
|
il.Emit(FishTranspiler.Call(typeof(ReflectionCaching), nameof(CastOrConvert), generics: [declaringType]));
|
|
}
|
|
}
|
|
|
|
private static Type GetOwnerType(MemberInfo info)
|
|
=> (info.DeclaringType ?? info.ReflectedType ?? typeof(void)) is var type
|
|
// ReSharper disable once MergeIntoPattern
|
|
&& type.IsInterface ? typeof(InterfaceCache)
|
|
: type.IsArray ? typeof(ArrayCache)
|
|
: type;
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
[SecuritySafeCritical]
|
|
public static ref TTo CastRefSafely<TTo>(ref object? from)
|
|
=> ref from is TTo or null
|
|
? ref Unsafe.As<object?, TTo>(ref from)
|
|
: ref ThrowInvalidCastException<TTo>();
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
[SecuritySafeCritical]
|
|
public static ref TTo UnboxRefSafely<TTo>(ref object? from) where TTo : struct
|
|
=> ref from is TTo
|
|
? ref Unsafe.Unbox<TTo>(from)
|
|
: ref Unsafe.Unbox<TTo>(from
|
|
= from is null
|
|
? default
|
|
: FisheryLib.Convert.Type<object, TTo>(from));
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public static object? VerifyNullableBoxObject<TTo>(ref object? from) where TTo : struct
|
|
=> from is TTo
|
|
? from
|
|
: from = from is null
|
|
? default
|
|
: FisheryLib.Convert.Type<object, TTo?>(from);
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
[SecuritySafeCritical]
|
|
public static TTo? CastOrConvert<TTo>(object? from)
|
|
=> from is TTo or null
|
|
? Unsafe.As<object?, TTo?>(ref from)
|
|
: FisheryLib.Convert.Type<object, TTo>(from);
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public static TTo UnboxSafely<TTo>(object? from) where TTo : struct
|
|
=> from switch
|
|
{
|
|
TTo to => to,
|
|
null => default,
|
|
_ => FisheryLib.Convert.Type<object, TTo>(from)
|
|
};
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public static TTo? UnboxNullableSafely<TTo>(object? from) where TTo : struct
|
|
=> from switch
|
|
{
|
|
TTo to => to,
|
|
null => null,
|
|
_ => FisheryLib.Convert.Type<object, TTo>(from)
|
|
};
|
|
|
|
[DoesNotReturn]
|
|
private static ref T ThrowInvalidCastException<T>() => throw new InvalidCastException();
|
|
|
|
public static class InterfaceCache
|
|
{
|
|
// populated with dynamic methods by MethodBasePatches.MakeInvokeDelegate, MakeGetterDelegate and
|
|
// MakeSetterDelegate
|
|
}
|
|
|
|
public static class ArrayCache
|
|
{
|
|
// populated with dynamic methods by MethodBasePatches.MakeInvokeDelegate, MakeGetterDelegate and
|
|
// MakeSetterDelegate
|
|
}
|
|
} |