bbradson
102 lines
3.9 KiB
C#
102 lines
3.9 KiB
C#
// Copyright (c) 2022 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.CompilerServices;
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using System.Security;
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using JetBrains.Annotations;
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namespace FisheryLib.FunctionPointers;
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public static class EqualsByRef<T>
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{
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public static readonly unsafe delegate*<ref T, ref T, bool> Default
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= (delegate*<ref T, ref T, bool>)EqualsByRef.EqualsMethods.GetFunctionPointer(typeof(T));
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}
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[SuppressMessage("Naming", "CA1720")]
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public static class EqualsByRef
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{
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[UsedImplicitly(ImplicitUseTargetFlags.Members)]
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public static class Methods
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{
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool Byte(ref byte x, ref byte y) => x == y;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool Int(ref int x, ref int y) => x == y;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool Uint(ref uint x, ref uint y) => x == y;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool Ushort(ref ushort x, ref ushort y) => x == y;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool IntPtr(ref IntPtr x, ref IntPtr y) => x == y;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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[SuppressMessage("Globalization", "CA1307")]
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[SuppressMessage("Globalization", "CA1309")]
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public static bool String(ref string x, ref string y) => string.Equals(x, y);
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static unsafe bool VoidPtr(ref void* x, ref void* y) => x == y;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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[SecuritySafeCritical]
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public static bool RuntimeFieldHandle(ref RuntimeFieldHandle x, ref RuntimeFieldHandle y) => x.Value == y.Value;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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[SecuritySafeCritical]
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public static bool RuntimeTypeHandle(ref RuntimeTypeHandle x, ref RuntimeTypeHandle y) => x.Value == y.Value;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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[SecuritySafeCritical]
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public static bool RuntimeMethodHandle(ref RuntimeMethodHandle x, ref RuntimeMethodHandle y)
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=> x.Value == y.Value;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool Label(ref Label x, ref Label y) => x.label == y.label;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool Enum<T>(ref T x, ref T y) where T : struct
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=> JitHelpers.UnsafeEnumCast(x) == JitHelpers.UnsafeEnumCast(y);
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool LongEnum<T>(ref T x, ref T y) where T : struct
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=> JitHelpers.UnsafeEnumCastLong(x) == JitHelpers.UnsafeEnumCastLong(y);
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool EquatableValueType<T>(ref T x, ref T y) where T : struct, IEquatable<T> => x.Equals(y);
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool Nullable<T>(ref T? x, ref T? y) where T : struct, IEquatable<T>
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=> x.HasValue
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? y.HasValue && x.Value.Equals(y.Value)
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: !y.HasValue;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool EquatableReferenceType<T>(ref T? x, ref T? y) where T : class, IEquatable<T>
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=> x != null
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? y != null && x.Equals(y)
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: y == null;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool Reference<T>(ref T x, ref T y) where T : class => x == y;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool Object<T>(ref T? x, ref T? y) where T : class
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=> x != null
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? y != null && x.Equals(y)
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: y == null;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool ValueType<T>(ref T x, ref T y) where T : struct => x.Equals(y);
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}
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public static readonly MethodFactory.Equals EqualsMethods = new(typeof(Methods), "FisheryEqualsByRefMethod_", true);
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} |