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Delete most of InteropExtensions (dotnet#97685)
These existed due to some 5+ year old layering issue. I left `IsBlittable`. Pretty much every single use of this is a bug (dotnet#75666).
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74 changes: 1 addition & 73 deletions
74
.../nativeaot/System.Private.CoreLib/src/System/Runtime/InteropServices/InteropExtensions.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,89 +1,17 @@ | ||
| // Licensed to the .NET Foundation under one or more agreements. | ||
| // The .NET Foundation licenses this file to you under the MIT license. | ||
|
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||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Diagnostics; | ||
| using System.Runtime.CompilerServices; | ||
| using System.Threading; | ||
|
|
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| using Internal.Runtime.Augments; | ||
| using Internal.Runtime.CompilerServices; | ||
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| namespace System.Runtime.InteropServices | ||
| { | ||
| /// <summary> | ||
| /// Hooks for interop code to access internal functionality in System.Private.CoreLib.dll. | ||
| /// </summary> | ||
| internal static unsafe class InteropExtensions | ||
| { | ||
| internal static bool MightBeBlittable(this RuntimeTypeHandle handle) | ||
| public static bool IsBlittable(this RuntimeTypeHandle handle) | ||
| { | ||
| // | ||
| // This is used as the approximate implementation of MethodTable::IsBlittable(). It will err in the direction of declaring | ||
| // things blittable since it is used for argument validation only. | ||
| // | ||
| return !handle.ToMethodTable()->ContainsGCPointers; | ||
| } | ||
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| public static bool IsBlittable(this RuntimeTypeHandle handle) | ||
| { | ||
| return handle.MightBeBlittable(); | ||
| } | ||
|
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| public static bool IsGenericType(this RuntimeTypeHandle handle) | ||
| { | ||
| return handle.ToMethodTable()->IsGeneric; | ||
| } | ||
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| public static bool IsGenericTypeDefinition(this RuntimeTypeHandle handle) | ||
| { | ||
| return handle.ToMethodTable()->IsGenericTypeDefinition; | ||
| } | ||
|
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| // | ||
| // Returns the raw function pointer for a open static delegate - if the function has a jump stub | ||
| // it returns the jump target. Therefore the function pointer returned | ||
| // by two delegates may NOT be unique | ||
| // | ||
| public static IntPtr GetRawFunctionPointerForOpenStaticDelegate(this Delegate del) | ||
| { | ||
| //If it is not open static then return IntPtr.Zero | ||
| if (!del.IsOpenStatic) | ||
| return IntPtr.Zero; | ||
|
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| IntPtr funcPtr = del.GetFunctionPointer(out RuntimeTypeHandle _, out bool _, out bool _); | ||
| return funcPtr; | ||
| } | ||
|
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| public static int GetValueTypeSize(this RuntimeTypeHandle handle) | ||
| { | ||
| return (int)handle.ToMethodTable()->ValueTypeSize; | ||
| } | ||
|
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| public static bool IsValueType(this RuntimeTypeHandle handle) | ||
| { | ||
| return handle.ToMethodTable()->IsValueType; | ||
| } | ||
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| public static bool IsEnum(this RuntimeTypeHandle handle) | ||
| { | ||
| return handle.ToMethodTable()->IsEnum; | ||
| } | ||
|
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| public static bool IsInterface(this RuntimeTypeHandle handle) | ||
| { | ||
| return handle.ToMethodTable()->IsInterface; | ||
| } | ||
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| public static bool AreTypesAssignable(RuntimeTypeHandle sourceType, RuntimeTypeHandle targetType) | ||
| { | ||
| return RuntimeImports.AreTypesAssignable(sourceType.ToMethodTable(), targetType.ToMethodTable()); | ||
| } | ||
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| public static RuntimeTypeHandle GetTypeHandle(this object target) | ||
| { | ||
| return new RuntimeTypeHandle(target.GetMethodTable()); | ||
| } | ||
| } | ||
| } |
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