2104 lines
86 KiB
C#
2104 lines
86 KiB
C#
#if USE_NETCORE
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Reflection;
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using System.Runtime.InteropServices;
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using System.Runtime.Loader;
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using System.IO;
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using System.Runtime.CompilerServices;
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using FlaxEngine.Assertions;
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using FlaxEngine.Utilities;
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using System.Runtime.InteropServices.Marshalling;
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using System.Reflection.Metadata;
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using System.Reflection.PortableExecutable;
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using FlaxEngine.Visject;
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using System.Diagnostics;
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using System.Collections;
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using FlaxEditor.Content;
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#pragma warning disable CS1591
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#pragma warning disable CS8632
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[assembly: DisableRuntimeMarshalling]
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namespace FlaxEngine
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{
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#region Native structures
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[StructLayout(LayoutKind.Sequential)]
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internal struct ManagedClass
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{
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internal IntPtr typeHandle;
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internal IntPtr name;
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internal IntPtr fullname;
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internal IntPtr @namespace;
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internal uint typeAttributes;
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}
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[StructLayout(LayoutKind.Sequential)]
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internal struct ClassMethod
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{
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internal IntPtr name;
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internal int numParameters;
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internal IntPtr typeHandle;
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internal uint methodAttributes;
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}
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[StructLayout(LayoutKind.Sequential)]
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internal struct ClassField
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{
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internal IntPtr name;
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internal IntPtr fieldHandle;
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internal IntPtr fieldTypeHandle;
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internal uint fieldAttributes;
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}
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[StructLayout(LayoutKind.Sequential)]
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internal struct ClassProperty
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{
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internal IntPtr name;
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internal IntPtr getterHandle;
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internal IntPtr setterHandle;
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internal uint getterFlags;
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internal uint setterFlags;
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}
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[StructLayout(LayoutKind.Sequential)]
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internal struct ClassAttribute
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{
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internal IntPtr name;
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internal IntPtr attributeHandle;
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internal IntPtr attributeTypeHandle;
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}
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[StructLayout(LayoutKind.Explicit)]
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internal struct VariantNative
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{
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[StructLayout(LayoutKind.Sequential)]
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internal struct VariantNativeType
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{
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internal VariantUtils.VariantType types;
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internal IntPtr TypeName; // char*
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}
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[FieldOffset(0)]
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VariantNativeType Type;
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[FieldOffset(8)]
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byte AsBool;
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[FieldOffset(8)]
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short AsInt16;
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[FieldOffset(8)]
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ushort AsUint16;
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[FieldOffset(8)]
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int AsInt;
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[FieldOffset(8)]
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uint AsUint;
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[FieldOffset(8)]
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long AsInt64;
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[FieldOffset(8)]
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ulong AsUint64;
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[FieldOffset(8)]
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float AsFloat;
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[FieldOffset(8)]
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double AsDouble;
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[FieldOffset(8)]
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IntPtr AsPointer;
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[FieldOffset(8)]
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int AsData0;
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[FieldOffset(12)]
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int AsData1;
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[FieldOffset(16)]
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int AsData2;
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[FieldOffset(20)]
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int AsData3;
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[FieldOffset(24)]
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int AsData4;
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[FieldOffset(28)]
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int AsData5;
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}
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#if false
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[StructLayout(LayoutKind.Sequential)]
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internal struct GuidNative
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{
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internal int A;
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internal short B;
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internal short C;
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internal byte D;
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internal byte E;
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internal byte F;
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internal byte G;
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internal byte H;
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internal byte I;
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internal byte J;
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internal byte K;
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internal GuidNative(Guid guid)
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{
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byte[] bytes = guid.ToByteArray();
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A = MemoryMarshal.Cast<byte, int>(bytes.AsSpan())[0];
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B = MemoryMarshal.Cast<byte, short>(bytes.AsSpan())[4];
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C = MemoryMarshal.Cast<byte, short>(bytes.AsSpan())[6];
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D = bytes[8];
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E = bytes[9];
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F = bytes[10];
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G = bytes[11];
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H = bytes[12];
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I = bytes[13];
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J = bytes[14];
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K = bytes[15];
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}
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internal static implicit operator Guid(GuidNative guid) => new Guid(guid.A, guid.B, guid.C, guid.D, guid.E, guid.F, guid.G, guid.H, guid.I, guid.J, guid.K);
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internal static explicit operator GuidNative(Guid guid) => new GuidNative(guid);
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}
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#endif
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[StructLayout(LayoutKind.Sequential)]
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internal struct VersionNative
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{
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internal int _Major;
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internal int _Minor;
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internal int _Build;
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internal int _Revision;
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internal VersionNative(Version ver)
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{
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_Major = ver.Major;
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_Minor = ver.Minor;
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_Build = ver.Build;
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_Revision = ver.Revision;
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}
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internal Version GetVersion()
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{
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return new Version(_Major, _Minor, _Build, _Revision);
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}
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}
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#endregion
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#region Wrappers
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/// <summary>
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/// Wrapper for managed arrays that needs to be pinned.
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/// </summary>
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[StructLayout(LayoutKind.Sequential)]
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internal struct ManagedArray
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{
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internal Array array = null;
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internal GCHandle handle;
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internal int elementSize;
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internal ManagedArray(Array arr)
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{
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handle = GCHandle.Alloc(arr, GCHandleType.Pinned);
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elementSize = Marshal.SizeOf(arr.GetType().GetElementType());
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array = arr;
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}
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internal void Release()
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{
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handle.Free();
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array = null;
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}
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internal IntPtr PointerToPinnedArray => Marshal.UnsafeAddrOfPinnedArrayElement(array, 0);
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internal int Length => array.Length;
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internal static ManagedArray Get<T>(ref T[] arr)
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{
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return new ManagedArray(arr);
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}
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internal static ManagedArray Get(Array arr)
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{
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ManagedArray managedArray = new ManagedArray(arr);
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return managedArray;
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}
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}
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internal static class ManagedString
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{
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[System.Diagnostics.DebuggerStepThrough]
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internal static unsafe IntPtr ToNative(string str)
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{
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if (str == null)
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return IntPtr.Zero;
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#if false
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// HACK: Pin the string and pass the address to it including the length, no marshalling required
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GCHandle handle = GCHandle.Alloc(str, GCHandleType.Pinned);
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IntPtr ptr = handle.AddrOfPinnedObject() - sizeof(int);
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pinnedStrings.TryAdd(ptr, handle);
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return ptr;
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#endif
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#if false
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// HACK: Return address to the allocated string structure which includes the string length.
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// We assume the string content is copied in native side before GC frees it.
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IntPtr ptr = (Unsafe.Read<IntPtr>(Unsafe.AsPointer(ref str)) + sizeof(int) * 2);
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#endif
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IntPtr ptr = GCHandle.ToIntPtr(GCHandle.Alloc(str));
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return ptr;
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}
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[System.Diagnostics.DebuggerStepThrough]
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internal static string ToManaged(IntPtr ptr)
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{
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if (ptr == IntPtr.Zero)
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return null;
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return (string)GCHandle.FromIntPtr(ptr).Target;
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}
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[System.Diagnostics.DebuggerStepThrough]
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internal static void Free(IntPtr ptr)
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{
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if (ptr == IntPtr.Zero)
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return;
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GCHandle.FromIntPtr(ptr).Free();
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}
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}
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#endregion
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#region Marshallers
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[CustomMarshaller(typeof(object), MarshalMode.ManagedToUnmanagedIn, typeof(GCHandleMarshaller.ManagedToNative))]
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[CustomMarshaller(typeof(object), MarshalMode.UnmanagedToManagedOut, typeof(GCHandleMarshaller.ManagedToNative))]
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[CustomMarshaller(typeof(object), MarshalMode.ElementIn, typeof(GCHandleMarshaller.ManagedToNative))]
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[CustomMarshaller(typeof(object), MarshalMode.ManagedToUnmanagedOut, typeof(GCHandleMarshaller.NativeToManaged))]
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[CustomMarshaller(typeof(object), MarshalMode.UnmanagedToManagedIn, typeof(GCHandleMarshaller.NativeToManaged))]
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[CustomMarshaller(typeof(object), MarshalMode.ElementOut, typeof(GCHandleMarshaller.NativeToManaged))]
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[CustomMarshaller(typeof(object), MarshalMode.ManagedToUnmanagedRef, typeof(GCHandleMarshaller.Bidirectional))]
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[CustomMarshaller(typeof(object), MarshalMode.UnmanagedToManagedRef, typeof(GCHandleMarshaller.Bidirectional))]
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[CustomMarshaller(typeof(object), MarshalMode.ElementRef, typeof(GCHandleMarshaller))]
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internal static class GCHandleMarshaller
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{
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public static class NativeToManaged
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{
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public static object ConvertToManaged(IntPtr unmanaged) => unmanaged == IntPtr.Zero ? null : GCHandle.FromIntPtr(unmanaged).Target;
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public static void Free(IntPtr unmanaged)
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{
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// This is a permanent handle, do not release it
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}
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}
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public static class ManagedToNative
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{
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public static IntPtr ConvertToUnmanaged(object managed) => managed != null ? GCHandle.ToIntPtr(GCHandle.Alloc(managed)) : IntPtr.Zero;
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public static void Free(IntPtr unmanaged)
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{
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if (unmanaged == IntPtr.Zero)
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return;
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GCHandle.FromIntPtr(unmanaged).Free();
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}
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}
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public struct Bidirectional
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{
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object managed;
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IntPtr unmanaged;
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public void FromManaged(object managed) { this.managed = managed; }
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public IntPtr ToUnmanaged() { unmanaged = GCHandleMarshaller.ToNative(managed); return unmanaged; }
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public void FromUnmanaged(IntPtr unmanaged) { this.unmanaged = unmanaged; }
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public object ToManaged() { managed = GCHandleMarshaller.ToManaged(unmanaged); unmanaged = IntPtr.Zero; return managed; }
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public void Free()
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{
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// FIXME, might be a permanent handle or a temporary one
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throw new NotImplementedException();
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/*if (unmanaged == IntPtr.Zero)
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return;
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GCHandle.FromIntPtr(unmanaged).Free();*/
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}
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}
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internal static object ConvertToManaged(IntPtr unmanaged) => ToManaged(unmanaged);
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internal static IntPtr ConvertToUnmanaged(object managed) => ToNative(managed);
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internal static object ToManaged(IntPtr managed) => managed != IntPtr.Zero ? GCHandle.FromIntPtr(managed).Target : null;
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internal static IntPtr ToNative(object managed) => managed != null ? GCHandle.ToIntPtr(GCHandle.Alloc(managed)) : IntPtr.Zero;
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internal static void Free(IntPtr unmanaged)
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{
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if (unmanaged == IntPtr.Zero)
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return;
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GCHandle.FromIntPtr(unmanaged).Free();
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}
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}
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[CustomMarshaller(typeof(System.Type), MarshalMode.Default, typeof(SystemTypeMarshaller))]
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internal static class SystemTypeMarshaller
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{
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internal static System.Type ConvertToManaged(IntPtr unmanaged) => (System.Type)GCHandleMarshaller.ConvertToManaged(unmanaged);
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internal static IntPtr ConvertToUnmanaged(System.Type managed)
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{
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if (managed == null)
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return IntPtr.Zero;
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GCHandle handle = NativeInterop.GetOrAddTypeGCHandle(managed);
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return GCHandle.ToIntPtr(handle);
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}
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internal static void Free(IntPtr unmanaged)
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{
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// Cached handle, do not release
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}
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}
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[CustomMarshaller(typeof(Exception), MarshalMode.Default, typeof(ExceptionMarshaller))]
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internal static class ExceptionMarshaller
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{
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internal static Exception ConvertToManaged(IntPtr unmanaged) => (Exception)GCHandleMarshaller.ConvertToManaged(unmanaged);
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internal static IntPtr ConvertToUnmanaged(Exception managed) => GCHandleMarshaller.ConvertToUnmanaged(managed);
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internal static void Free(IntPtr unmanaged) => GCHandleMarshaller.Free(unmanaged);
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}
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[CustomMarshaller(typeof(FlaxEngine.Object), MarshalMode.ManagedToUnmanagedIn, typeof(ObjectMarshaller.ManagedToNative))]
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[CustomMarshaller(typeof(FlaxEngine.Object), MarshalMode.UnmanagedToManagedOut, typeof(ObjectMarshaller.ManagedToNative))]
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[CustomMarshaller(typeof(FlaxEngine.Object), MarshalMode.ElementIn, typeof(ObjectMarshaller.ManagedToNative))]
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[CustomMarshaller(typeof(FlaxEngine.Object), MarshalMode.ManagedToUnmanagedOut, typeof(ObjectMarshaller.NativeToManaged))]
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[CustomMarshaller(typeof(FlaxEngine.Object), MarshalMode.UnmanagedToManagedIn, typeof(ObjectMarshaller.NativeToManaged))]
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[CustomMarshaller(typeof(FlaxEngine.Object), MarshalMode.ElementOut, typeof(ObjectMarshaller.NativeToManaged))]
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internal static class ObjectMarshaller
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{
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public static class NativeToManaged
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{
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public static FlaxEngine.Object ConvertToManaged(IntPtr unmanaged) => unmanaged != IntPtr.Zero ? (FlaxEngine.Object)GCHandle.FromIntPtr(unmanaged).Target : null;
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}
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public static class ManagedToNative
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{
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public static IntPtr ConvertToUnmanaged(FlaxEngine.Object managed) => managed != null ? GCHandle.ToIntPtr(GCHandle.Alloc(managed)) : IntPtr.Zero;
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}
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}
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[CustomMarshaller(typeof(CultureInfo), MarshalMode.Default, typeof(CultureInfoMarshaller))]
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internal static class CultureInfoMarshaller
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{
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internal static CultureInfo ConvertToManaged(IntPtr unmanaged) => (CultureInfo)GCHandleMarshaller.ConvertToManaged(unmanaged);
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internal static IntPtr ConvertToUnmanaged(CultureInfo managed) => GCHandleMarshaller.ConvertToUnmanaged(managed);
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internal static void Free(IntPtr unmanaged) => GCHandleMarshaller.Free(unmanaged);
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}
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[CustomMarshaller(typeof(Array), MarshalMode.Default, typeof(SystemArrayMarshaller))]
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internal static class SystemArrayMarshaller
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{
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internal static Array ConvertToManaged(IntPtr unmanaged) => (Array)GCHandleMarshaller.ConvertToManaged(unmanaged);
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internal static IntPtr ConvertToUnmanaged(Array managed) => GCHandleMarshaller.ConvertToUnmanaged(managed);
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internal static void Free(IntPtr unmanaged) => GCHandleMarshaller.Free(unmanaged);
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}
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[CustomMarshaller(typeof(Dictionary<,>), MarshalMode.ManagedToUnmanagedIn, typeof(DictionaryMarshaller<,>.ManagedToNative))]
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[CustomMarshaller(typeof(Dictionary<,>), MarshalMode.UnmanagedToManagedOut, typeof(DictionaryMarshaller<,>.ManagedToNative))]
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[CustomMarshaller(typeof(Dictionary<,>), MarshalMode.ElementIn, typeof(DictionaryMarshaller<,>.ManagedToNative))]
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[CustomMarshaller(typeof(Dictionary<,>), MarshalMode.ManagedToUnmanagedOut, typeof(DictionaryMarshaller<,>.NativeToManaged))]
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[CustomMarshaller(typeof(Dictionary<,>), MarshalMode.UnmanagedToManagedIn, typeof(DictionaryMarshaller<,>.NativeToManaged))]
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[CustomMarshaller(typeof(Dictionary<,>), MarshalMode.ElementOut, typeof(DictionaryMarshaller<,>.NativeToManaged))]
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[CustomMarshaller(typeof(Dictionary<,>), MarshalMode.ManagedToUnmanagedRef, typeof(DictionaryMarshaller<,>.Bidirectional))]
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[CustomMarshaller(typeof(Dictionary<,>), MarshalMode.UnmanagedToManagedRef, typeof(DictionaryMarshaller<,>.Bidirectional))]
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[CustomMarshaller(typeof(Dictionary<,>), MarshalMode.ElementRef, typeof(DictionaryMarshaller<,>))]
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internal static unsafe class DictionaryMarshaller<T, U>
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{
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public static class NativeToManaged
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{
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public static Dictionary<T, U> ConvertToManaged(IntPtr unmanaged) => DictionaryMarshaller<T, U>.ToManaged(unmanaged);
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public static void Free(IntPtr unmanaged) => DictionaryMarshaller<T, U>.Free(unmanaged);
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}
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public static class ManagedToNative
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{
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public static IntPtr ConvertToUnmanaged(Dictionary<T, U> managed) => DictionaryMarshaller<T, U>.ToNative(managed);
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public static void Free(IntPtr unmanaged) => DictionaryMarshaller<T, U>.Free(unmanaged);
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}
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public struct Bidirectional
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{
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Dictionary<T, U> managed;
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IntPtr unmanaged;
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public void FromManaged(Dictionary<T, U> managed) { this.managed = managed; }
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public IntPtr ToUnmanaged() { unmanaged = DictionaryMarshaller<T, U>.ToNative(managed); return unmanaged; }
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public void FromUnmanaged(IntPtr unmanaged) { this.unmanaged = unmanaged; }
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public Dictionary<T, U> ToManaged() { managed = DictionaryMarshaller<T, U>.ToManaged(unmanaged); unmanaged = IntPtr.Zero; return managed; }
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public void Free() => DictionaryMarshaller<T, U>.Free(unmanaged);
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}
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|
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public static Dictionary<T, U> ConvertToManaged(IntPtr unmanaged) => unmanaged != IntPtr.Zero ? (Dictionary<T, U>)GCHandle.FromIntPtr(unmanaged).Target : null;
|
|
public static IntPtr ConvertToUnmanaged(Dictionary<T, U> managed) => managed != null ? GCHandle.ToIntPtr(GCHandle.Alloc(managed)) : IntPtr.Zero;
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|
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public static Dictionary<T, U> ToManaged(IntPtr unmanaged) => unmanaged != IntPtr.Zero ? (Dictionary<T, U>)GCHandle.FromIntPtr(unmanaged).Target : null;
|
|
public static IntPtr ToNative(Dictionary<T, U> managed) => managed != null ? GCHandle.ToIntPtr(GCHandle.Alloc(managed)) : IntPtr.Zero;
|
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public static void Free(IntPtr unmanaged)
|
|
{
|
|
if (unmanaged != IntPtr.Zero)
|
|
GCHandle.FromIntPtr(unmanaged).Free();
|
|
}
|
|
}
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|
|
|
[CustomMarshaller(typeof(CustomMarshallerAttribute.GenericPlaceholder[]), MarshalMode.Default, typeof(ArrayMarshaller<,>))]
|
|
[ContiguousCollectionMarshaller]
|
|
internal static unsafe class ArrayMarshaller<T, TUnmanagedElement>
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|
where TUnmanagedElement : unmanaged
|
|
{
|
|
internal static TUnmanagedElement* AllocateContainerForUnmanagedElements(T[]? managed, out int numElements)
|
|
{
|
|
if (managed is null)
|
|
{
|
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numElements = 0;
|
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return null;
|
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}
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numElements = managed.Length;
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ManagedArray array = ManagedArray.Get(new TUnmanagedElement[numElements]);
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var ptr = GCHandle.ToIntPtr(GCHandle.Alloc(array));
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|
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return (TUnmanagedElement*)ptr;
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}
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|
|
internal static ReadOnlySpan<T> GetManagedValuesSource(T[]? managed)
|
|
=> managed;
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|
|
|
internal static Span<TUnmanagedElement> GetUnmanagedValuesDestination(TUnmanagedElement* unmanaged, int numElements)
|
|
{
|
|
if (unmanaged == null)
|
|
return Span<TUnmanagedElement>.Empty;
|
|
|
|
ManagedArray array = (ManagedArray)GCHandle.FromIntPtr(new IntPtr(unmanaged)).Target;
|
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return new Span<TUnmanagedElement>(array.array as TUnmanagedElement[]);
|
|
}
|
|
|
|
internal static T[]? AllocateContainerForManagedElements(TUnmanagedElement* unmanaged, int numElements)
|
|
{
|
|
if (unmanaged is null)
|
|
return null;
|
|
|
|
ManagedArray array = (ManagedArray)GCHandle.FromIntPtr(new IntPtr(unmanaged)).Target;
|
|
return new T[numElements];
|
|
}
|
|
|
|
internal static Span<T> GetManagedValuesDestination(T[]? managed)
|
|
=> managed;
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|
|
internal static ReadOnlySpan<TUnmanagedElement> GetUnmanagedValuesSource(TUnmanagedElement* unmanagedValue, int numElements)
|
|
{
|
|
if (unmanagedValue == null)
|
|
return ReadOnlySpan<TUnmanagedElement>.Empty;
|
|
|
|
ManagedArray array = (ManagedArray)GCHandle.FromIntPtr(new IntPtr(unmanagedValue)).Target;
|
|
return new ReadOnlySpan<TUnmanagedElement>(array.array as TUnmanagedElement[]);
|
|
}
|
|
|
|
internal static void Free(TUnmanagedElement* unmanaged)
|
|
{
|
|
if (unmanaged == null)
|
|
return;
|
|
|
|
GCHandle handle = GCHandle.FromIntPtr(new IntPtr(unmanaged));
|
|
Unsafe.Unbox<ManagedArray>(handle.Target).Release();
|
|
handle.Free();
|
|
}
|
|
|
|
internal static ref T GetPinnableReference(T[]? array)
|
|
{
|
|
if (array is null)
|
|
return ref Unsafe.NullRef<T>();
|
|
|
|
ManagedArray managedArray = ManagedArray.Get(array);
|
|
var ptr = GCHandle.ToIntPtr(GCHandle.Alloc(managedArray));
|
|
return ref Unsafe.AsRef<T>(ptr.ToPointer());
|
|
}
|
|
}
|
|
|
|
[CustomMarshaller(typeof(string), MarshalMode.ManagedToUnmanagedIn, typeof(StringMarshaller.ManagedToNative))]
|
|
[CustomMarshaller(typeof(string), MarshalMode.UnmanagedToManagedOut, typeof(StringMarshaller.ManagedToNative))]
|
|
[CustomMarshaller(typeof(string), MarshalMode.ElementIn, typeof(StringMarshaller.ManagedToNative))]
|
|
[CustomMarshaller(typeof(string), MarshalMode.ManagedToUnmanagedOut, typeof(StringMarshaller.NativeToManaged))]
|
|
[CustomMarshaller(typeof(string), MarshalMode.UnmanagedToManagedIn, typeof(StringMarshaller.NativeToManaged))]
|
|
[CustomMarshaller(typeof(string), MarshalMode.ElementOut, typeof(StringMarshaller.NativeToManaged))]
|
|
[CustomMarshaller(typeof(string), MarshalMode.ManagedToUnmanagedRef, typeof(StringMarshaller.Bidirectional))]
|
|
[CustomMarshaller(typeof(string), MarshalMode.UnmanagedToManagedRef, typeof(StringMarshaller.Bidirectional))]
|
|
[CustomMarshaller(typeof(string), MarshalMode.ElementRef, typeof(StringMarshaller))]
|
|
internal static class StringMarshaller
|
|
{
|
|
public static class NativeToManaged
|
|
{
|
|
public static string ConvertToManaged(IntPtr unmanaged) => ManagedString.ToManaged(unmanaged);
|
|
public static void Free(IntPtr unmanaged) => ManagedString.Free(unmanaged);
|
|
}
|
|
public static class ManagedToNative
|
|
{
|
|
public static unsafe IntPtr ConvertToUnmanaged(string managed)
|
|
{
|
|
if (managed == null)
|
|
return IntPtr.Zero;
|
|
#if false
|
|
// HACK: Pin the string and pass the address to it including the length, no marshalling required
|
|
GCHandle handle = GCHandle.Alloc(managed, GCHandleType.Pinned);
|
|
IntPtr ptr = handle.AddrOfPinnedObject() - sizeof(int);
|
|
|
|
pinnedStrings.TryAdd(ptr, handle);
|
|
return ptr;
|
|
#endif
|
|
|
|
#if false
|
|
// HACK: Return address to the allocated string structure which includes the string length.
|
|
// We assume the string content is copied in native side before GC frees it.
|
|
IntPtr ptr = (Unsafe.Read<IntPtr>(Unsafe.AsPointer(ref managed)) + sizeof(int) * 2);
|
|
#endif
|
|
IntPtr ptr = GCHandle.ToIntPtr(GCHandle.Alloc(managed, GCHandleType.Pinned));
|
|
return ptr;
|
|
}
|
|
public static void Free(IntPtr unmanaged) => ManagedString.Free(unmanaged);
|
|
}
|
|
public struct Bidirectional
|
|
{
|
|
string managed;
|
|
IntPtr unmanaged;
|
|
public void FromManaged(string managed) { this.managed = managed; }
|
|
public IntPtr ToUnmanaged() { unmanaged = ManagedString.ToNative(managed); return unmanaged; }
|
|
public void FromUnmanaged(IntPtr unmanaged) { this.unmanaged = unmanaged; }
|
|
public string ToManaged() { managed = ManagedString.ToManaged(unmanaged); unmanaged = IntPtr.Zero; return managed; }
|
|
public void Free() => ManagedString.Free(unmanaged);
|
|
}
|
|
internal static string ConvertToManaged(IntPtr unmanaged) => ManagedString.ToManaged(unmanaged);
|
|
internal static IntPtr ConvertToUnmanaged(string managed) => ManagedString.ToNative(managed);
|
|
internal static void Free(IntPtr unmanaged) => ManagedString.Free(unmanaged);
|
|
|
|
internal static string ToManaged(IntPtr unmanaged) => ManagedString.ToManaged(unmanaged);
|
|
internal static IntPtr ToNative(string managed) => ManagedString.ToNative(managed);
|
|
}
|
|
|
|
#endregion
|
|
|
|
/// <summary>
|
|
/// Provides a Mono-like API for native code to access managed runtime.
|
|
/// </summary>
|
|
internal unsafe static partial class NativeInterop
|
|
{
|
|
internal static Dictionary<string, string> AssemblyLocations = new Dictionary<string, string>();
|
|
|
|
private static bool firstAssemblyLoaded = false;
|
|
|
|
private static Dictionary<string, Type> typeCache = new Dictionary<string, Type>();
|
|
|
|
private static Dictionary<Type, FieldInfo[]> marshallableStructCache = new Dictionary<Type, FieldInfo[]>();
|
|
|
|
private static IntPtr boolTruePtr = GCHandle.ToIntPtr(GCHandle.Alloc((int)1, GCHandleType.Pinned));
|
|
private static IntPtr boolFalsePtr = GCHandle.ToIntPtr(GCHandle.Alloc((int)0, GCHandleType.Pinned));
|
|
|
|
private static List<GCHandle> methodHandles = new();
|
|
private static List<GCHandle> methodHandlesCollectible = new();
|
|
private static Dictionary<IntPtr, Delegate> cachedDelegates = new Dictionary<IntPtr, Delegate>();
|
|
private static Dictionary<IntPtr, Delegate> cachedDelegatesCollectible = new Dictionary<IntPtr, Delegate>();
|
|
private static Dictionary<string, GCHandle> typeHandleCache = new Dictionary<string, GCHandle>();
|
|
private static Dictionary<string, GCHandle> typeHandleCacheCollectible = new Dictionary<string, GCHandle>();
|
|
private static List<GCHandle> fieldHandleCache = new();
|
|
private static List<GCHandle> fieldHandleCacheCollectible = new();
|
|
private static Dictionary<Assembly, GCHandle> assemblyHandles = new Dictionary<Assembly, GCHandle>();
|
|
|
|
private static string hostExecutable;
|
|
private static IntPtr hostExecutableHandle = IntPtr.Zero;
|
|
private static AssemblyLoadContext scriptingAssemblyLoadContext;
|
|
|
|
[System.Diagnostics.DebuggerStepThrough]
|
|
private static IntPtr InternalDllResolver(string libraryName, Assembly assembly, DllImportSearchPath? dllImportSearchPath)
|
|
{
|
|
if (libraryName == "FlaxEngine")
|
|
{
|
|
if (hostExecutableHandle == IntPtr.Zero)
|
|
hostExecutableHandle = NativeLibrary.Load(hostExecutable, assembly, dllImportSearchPath);
|
|
return hostExecutableHandle;
|
|
}
|
|
return IntPtr.Zero;
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static unsafe void Init(IntPtr hostExecutableName)
|
|
{
|
|
hostExecutable = Marshal.PtrToStringUni(hostExecutableName);
|
|
NativeLibrary.SetDllImportResolver(Assembly.GetExecutingAssembly(), InternalDllResolver);
|
|
|
|
// TODO: benchmark collectible setting performance, maybe enable it only in editor builds?
|
|
scriptingAssemblyLoadContext = new AssemblyLoadContext(null, true);
|
|
|
|
DelegateHelpers.Init();
|
|
}
|
|
|
|
internal static T[] GCHandleArrayToManagedArray<T>(ManagedArray array)
|
|
{
|
|
IntPtr[] ptrArray = (IntPtr[])array.array;
|
|
T[] managedArray = new T[array.Length];
|
|
for (int i = 0; i < managedArray.Length; i++)
|
|
{
|
|
IntPtr ptr = ptrArray[i];
|
|
managedArray[i] = ptr != IntPtr.Zero ? (T)GCHandle.FromIntPtr(ptr).Target : default(T);
|
|
}
|
|
return managedArray;
|
|
}
|
|
|
|
internal static IntPtr[] ManagedArrayToGCHandleArray(Array array)
|
|
{
|
|
IntPtr[] pointerArray = new IntPtr[array.Length];
|
|
for (int i = 0; i < pointerArray.Length; i++)
|
|
{
|
|
var obj = array.GetValue(i);
|
|
pointerArray.SetValue(obj != null ? GCHandle.ToIntPtr(GCHandle.Alloc(obj)) : IntPtr.Zero, i);
|
|
}
|
|
return pointerArray;
|
|
}
|
|
|
|
internal static T[] NativeArrayToManagedArray<T, U>(U[] nativeArray, Func<U, T> toManagedFunc)
|
|
{
|
|
T[] managedArray = new T[nativeArray.Length];
|
|
if (nativeArray.Length > 0)
|
|
{
|
|
Assert.IsTrue(toManagedFunc != null);
|
|
for (int i = 0; i < nativeArray.Length; i++)
|
|
managedArray[i] = toManagedFunc(nativeArray[i]);
|
|
}
|
|
|
|
return managedArray;
|
|
}
|
|
|
|
private static Type FindType(string typeName)
|
|
{
|
|
if (typeCache.TryGetValue(typeName, out Type type))
|
|
return type;
|
|
|
|
type = Type.GetType(typeName, ResolveAssemblyByName, null);
|
|
if (type == null)
|
|
{
|
|
foreach (var assembly in scriptingAssemblyLoadContext.Assemblies)
|
|
{
|
|
type = assembly.GetType(typeName);
|
|
if (type != null)
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (type == null)
|
|
{
|
|
string oldTypeName = typeName;
|
|
typeName = typeName.Substring(0, typeName.IndexOf(','));
|
|
type = Type.GetType(typeName, ResolveAssemblyByName, null);
|
|
if (type == null)
|
|
{
|
|
foreach (var assembly in scriptingAssemblyLoadContext.Assemblies)
|
|
{
|
|
type = assembly.GetType(typeName);
|
|
if (type != null)
|
|
break;
|
|
}
|
|
}
|
|
typeName = oldTypeName;
|
|
}
|
|
|
|
typeCache.Add(typeName, type);
|
|
|
|
return type;
|
|
}
|
|
|
|
private static Assembly ResolveAssemblyByName(AssemblyName assemblyName)
|
|
{
|
|
foreach (Assembly assembly in scriptingAssemblyLoadContext.Assemblies)
|
|
if (assembly.GetName() == assemblyName)
|
|
return assembly;
|
|
return null;
|
|
}
|
|
|
|
internal static bool IsBlittable(Type type)
|
|
{
|
|
if (type.IsPrimitive || type.IsEnum)
|
|
return true;
|
|
if (type.IsArray && IsBlittable(type.GetElementType()))
|
|
return true;
|
|
if (type.IsPointer && type.HasElementType && type.GetElementType().IsPrimitive)
|
|
return true;
|
|
|
|
if (type.IsClass)
|
|
return false;
|
|
|
|
if (type.IsValueType)
|
|
{
|
|
var fields = type.GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
|
|
foreach (FieldInfo field in fields)
|
|
{
|
|
if (!IsBlittable(field.FieldType))
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns blittable internal type for given type.
|
|
/// </summary>
|
|
internal static Type GetInternalType(Type type)
|
|
{
|
|
string[] splits = type.AssemblyQualifiedName.Split(',');
|
|
string @namespace = string.Join('.', splits[0].Split('.').SkipLast(1));
|
|
string className = @namespace.Length > 0 ? splits[0].Substring(@namespace.Length + 1) : splits[0];
|
|
string parentClassName = "";
|
|
if (className.Contains("+"))
|
|
{
|
|
parentClassName = className.Substring(0, className.LastIndexOf('+') + 1);
|
|
className = className.Substring(parentClassName.Length);
|
|
}
|
|
string marshallerName = className + "Marshaller";
|
|
string internalAssemblyQualifiedName = $"{@namespace}.{parentClassName}{marshallerName}+{className}Internal,{String.Join(',', splits.Skip(1))}";
|
|
return FindType(internalAssemblyQualifiedName);
|
|
}
|
|
|
|
internal static void MarshalFromObject(object obj, Type objectType, ref IntPtr targetPtr)
|
|
{
|
|
void EnsureAlignment(ref IntPtr ptr, int alignment)
|
|
{
|
|
int paddingSize = (int)(ptr.ToInt64() % alignment);
|
|
if (paddingSize != 0)
|
|
ptr = IntPtr.Add(ptr, alignment - paddingSize);
|
|
}
|
|
|
|
int readOffset = 0;
|
|
if (objectType == typeof(IntPtr))
|
|
{
|
|
EnsureAlignment(ref targetPtr, IntPtr.Size);
|
|
Marshal.WriteIntPtr(targetPtr, (IntPtr)obj);
|
|
readOffset = IntPtr.Size;
|
|
}
|
|
else if (objectType == typeof(byte))
|
|
{
|
|
EnsureAlignment(ref targetPtr, sizeof(byte));
|
|
Marshal.WriteByte(targetPtr, (byte)obj);
|
|
readOffset = sizeof(byte);
|
|
}
|
|
else if (objectType == typeof(bool))
|
|
{
|
|
EnsureAlignment(ref targetPtr, sizeof(byte));
|
|
Marshal.WriteByte(targetPtr, ((bool)obj) ? (byte)1 : (byte)0);
|
|
readOffset = sizeof(byte);
|
|
}
|
|
else if (objectType.IsEnum)
|
|
{
|
|
MarshalFromObject(obj, objectType.GetEnumUnderlyingType(), ref targetPtr);
|
|
}
|
|
else if (objectType == typeof(int) || objectType.Name == "Int32&")
|
|
{
|
|
EnsureAlignment(ref targetPtr, sizeof(int));
|
|
Marshal.WriteInt32(targetPtr, (int)obj);
|
|
readOffset = sizeof(int);
|
|
}
|
|
else if (objectType == typeof(long))
|
|
{
|
|
EnsureAlignment(ref targetPtr, sizeof(long));
|
|
Marshal.WriteInt64(targetPtr, (long)obj);
|
|
readOffset = sizeof(long);
|
|
}
|
|
else if (objectType == typeof(short))
|
|
{
|
|
EnsureAlignment(ref targetPtr, sizeof(short));
|
|
Marshal.WriteInt16(targetPtr, (short)obj);
|
|
readOffset = sizeof(short);
|
|
}
|
|
else if (objectType == typeof(string))
|
|
{
|
|
EnsureAlignment(ref targetPtr, IntPtr.Size);
|
|
IntPtr strPtr = ManagedString.ToNative(obj as string);
|
|
Marshal.WriteIntPtr(targetPtr, strPtr);
|
|
readOffset = IntPtr.Size;
|
|
}
|
|
else if (objectType.IsByRef)
|
|
throw new NotImplementedException();
|
|
else if (objectType.IsClass)
|
|
{
|
|
if (objectType.IsPointer)
|
|
{
|
|
EnsureAlignment(ref targetPtr, IntPtr.Size);
|
|
var unboxed = Pointer.Unbox(obj);
|
|
if (unboxed == null)
|
|
Marshal.WriteIntPtr(targetPtr, IntPtr.Zero);
|
|
else if (obj is FlaxEngine.Object fobj)
|
|
Marshal.WriteIntPtr(targetPtr, fobj.__unmanagedPtr);
|
|
else
|
|
Marshal.WriteIntPtr(targetPtr, GCHandle.ToIntPtr(GCHandle.Alloc(obj, GCHandleType.Weak)));
|
|
readOffset = IntPtr.Size;
|
|
}
|
|
else
|
|
{
|
|
EnsureAlignment(ref targetPtr, IntPtr.Size);
|
|
Marshal.WriteIntPtr(targetPtr, obj != null ? GCHandle.ToIntPtr(GCHandle.Alloc(obj, GCHandleType.Weak)) : IntPtr.Zero);
|
|
readOffset = IntPtr.Size;
|
|
}
|
|
}
|
|
else if (objectType.IsValueType)
|
|
{
|
|
if (GetMarshallableStructFields(objectType, out FieldInfo[] fields))
|
|
{
|
|
IntPtr origPtr = targetPtr;
|
|
|
|
foreach (var field in fields)
|
|
MarshalFromObject(field.GetValue(obj), field.FieldType, ref targetPtr);
|
|
|
|
Assert.IsTrue((targetPtr-origPtr) == Marshal.SizeOf(objectType));
|
|
}
|
|
else
|
|
{
|
|
Marshal.StructureToPtr(obj, targetPtr, false);
|
|
readOffset = Marshal.SizeOf(objectType);
|
|
}
|
|
}
|
|
else
|
|
throw new NotImplementedException(objectType.FullName);
|
|
|
|
targetPtr = IntPtr.Add(targetPtr, readOffset);
|
|
}
|
|
|
|
private static bool GetMarshallableStructFields(Type type, out FieldInfo[] fields)
|
|
{
|
|
if (marshallableStructCache.TryGetValue(type, out fields))
|
|
return fields != null;
|
|
|
|
fields = type.GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
|
|
if (!fields.Any(x => x.FieldType.IsClass || x.FieldType.Name == "Boolean"))
|
|
fields = null;
|
|
|
|
marshallableStructCache.Add(type, fields);
|
|
return fields != null;
|
|
}
|
|
|
|
internal static object MarshalToObject(Type type, IntPtr ptr, out int readSize)
|
|
{
|
|
readSize = 0;
|
|
if (type.Name == "IntPtr&" || type.Name == "Byte*" || type.Name == "IntPtr")
|
|
{
|
|
readSize += IntPtr.Size;
|
|
return ptr;
|
|
}
|
|
else if (type.IsByRef)
|
|
{
|
|
return MarshalToObject(type.GetElementType(), ptr, out readSize);
|
|
}
|
|
else if (type == typeof(string))
|
|
{
|
|
readSize += IntPtr.Size;
|
|
return ManagedString.ToManaged(ptr);
|
|
}
|
|
else if (type == typeof(bool))
|
|
{
|
|
readSize += sizeof(byte);
|
|
return Marshal.ReadByte(ptr) != 0;
|
|
}
|
|
else if (type.IsEnum)
|
|
{
|
|
return Enum.ToObject(type, MarshalToObject(type.GetEnumUnderlyingType(), ptr, out readSize));
|
|
}
|
|
else if (type.IsArray)
|
|
{
|
|
readSize += IntPtr.Size;
|
|
if (ptr == IntPtr.Zero)
|
|
return null;
|
|
|
|
ManagedArray arr = (ManagedArray)GCHandle.FromIntPtr(ptr).Target;
|
|
if (type.Name == "Type[]")
|
|
{
|
|
var intPtrArr = arr.array as IntPtr[];
|
|
Type[] typeArr = intPtrArr.Select(x => GCHandle.FromIntPtr(x).Target).OfType<Type>().ToArray();
|
|
return typeArr;
|
|
}
|
|
if (arr.array.GetType().GetElementType() == typeof(string))
|
|
{
|
|
string[] strs = new string[arr.Length];
|
|
IntPtr[] ptrs = ((IntPtr[])arr.array);
|
|
for (int i = 0; i < strs.Length; i++)
|
|
strs[i] = ManagedString.ToManaged(ptrs[i]);
|
|
return strs;
|
|
}
|
|
return arr.array;
|
|
}
|
|
else if (type.IsClass)
|
|
{
|
|
readSize += IntPtr.Size;
|
|
if (ptr == IntPtr.Zero)
|
|
return null;
|
|
|
|
var obj = GCHandle.FromIntPtr(ptr).Target;
|
|
Assert.IsTrue(obj == null || obj.GetType() == type || obj.GetType().IsSubclassOf(type) || (obj.GetType().FullName == "System.RuntimeType" && type == typeof(Type)));
|
|
return obj;
|
|
}
|
|
else if (type.IsValueType)
|
|
{
|
|
if (GetMarshallableStructFields(type, out FieldInfo[] fields))
|
|
{
|
|
object target = RuntimeHelpers.GetUninitializedObject(type);
|
|
IntPtr fieldPtr = ptr;
|
|
|
|
foreach (var field in fields)
|
|
{
|
|
object fieldValue;
|
|
int size;
|
|
|
|
if (field.FieldType.IsClass || field.FieldType == typeof(IntPtr))
|
|
fieldValue = MarshalToObject(field.FieldType, Marshal.ReadIntPtr(fieldPtr), out size);
|
|
else
|
|
{
|
|
void EnsureAlignment(ref IntPtr ptr2, ref int readSize, int alignment)
|
|
{
|
|
int paddingSize = (int)(ptr2.ToInt64() % alignment);
|
|
if (paddingSize != 0)
|
|
{
|
|
int offset = alignment - paddingSize;
|
|
ptr2 = IntPtr.Add(ptr2, offset);
|
|
readSize += offset;
|
|
}
|
|
}
|
|
|
|
int fieldReadSize = 0;
|
|
int fieldSize;
|
|
Type fieldType = field.FieldType;
|
|
if (field.FieldType.IsEnum)
|
|
fieldType = field.FieldType.GetEnumUnderlyingType();
|
|
else if (field.FieldType == typeof(bool))
|
|
fieldType = typeof(byte);
|
|
|
|
if (fieldType.IsValueType && !fieldType.IsEnum && !fieldType.IsPrimitive) // Is it a structure?
|
|
fieldSize = 1;
|
|
else if (fieldType.IsClass || fieldType.IsPointer)
|
|
fieldSize = IntPtr.Size;
|
|
else
|
|
fieldSize = Marshal.SizeOf(fieldType);
|
|
EnsureAlignment(ref fieldPtr, ref fieldReadSize, fieldSize);
|
|
|
|
fieldValue = MarshalToObject(field.FieldType, fieldPtr, out size);
|
|
}
|
|
|
|
field.SetValue(target, fieldValue);
|
|
|
|
fieldPtr = IntPtr.Add(fieldPtr, size);
|
|
}
|
|
|
|
var totalReadSize = fieldPtr.ToInt64() - ptr.ToInt64();
|
|
Assert.IsTrue(totalReadSize == Marshal.SizeOf(type));
|
|
readSize += (int)totalReadSize;
|
|
return target;
|
|
}
|
|
}
|
|
else if (type.Name == "IDictionary")
|
|
{
|
|
readSize += IntPtr.Size;
|
|
if (ptr == IntPtr.Zero)
|
|
return null;
|
|
|
|
return GCHandle.FromIntPtr(ptr).Target;
|
|
}
|
|
|
|
readSize += Marshal.SizeOf(type);
|
|
return Marshal.PtrToStructure(ptr, type);
|
|
}
|
|
|
|
internal static GCHandle GetMethodGCHandle(MethodInfo method)
|
|
{
|
|
Type[] parameterTypes = method.GetParameters().Select(x => x.ParameterType).ToArray();
|
|
|
|
GCHandle delegTupleHandle = GCHandle.Alloc(new Tuple<Type[], MethodInfo>(parameterTypes, method));
|
|
|
|
if (parameterTypes.Any(x => x.IsCollectible) || method.IsCollectible)
|
|
methodHandlesCollectible.Add(delegTupleHandle);
|
|
else
|
|
methodHandles.Add(delegTupleHandle);
|
|
|
|
return delegTupleHandle;
|
|
}
|
|
|
|
internal static GCHandle GetAssemblyHandle(Assembly assembly)
|
|
{
|
|
if (!assemblyHandles.TryGetValue(assembly, out GCHandle handle))
|
|
{
|
|
handle = GCHandle.Alloc(assembly);
|
|
assemblyHandles.Add(assembly, handle);
|
|
}
|
|
return handle;
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static unsafe void GetManagedClasses(IntPtr assemblyHandle, ManagedClass** managedClasses, int* managedClassCount)
|
|
{
|
|
Assembly assembly = (Assembly)GCHandle.FromIntPtr(assemblyHandle).Target;
|
|
var assemblyTypes = GetAssemblyTypes(assembly);
|
|
|
|
ManagedClass* arr = (ManagedClass*)Marshal.AllocCoTaskMem(Unsafe.SizeOf<ManagedClass>() * assemblyTypes.Length).ToPointer();
|
|
|
|
for (int i = 0; i < assemblyTypes.Length; i++)
|
|
{
|
|
var type = assemblyTypes[i];
|
|
IntPtr ptr = IntPtr.Add(new IntPtr(arr), Unsafe.SizeOf<ManagedClass>() * i);
|
|
bool isStatic = type.IsAbstract && type.IsSealed;
|
|
bool isInterface = type.IsInterface;
|
|
bool isAbstract = type.IsAbstract;
|
|
|
|
GCHandle typeHandle = GetOrAddTypeGCHandle(type);
|
|
|
|
ManagedClass managedClass = new ManagedClass()
|
|
{
|
|
typeHandle = GCHandle.ToIntPtr(typeHandle),
|
|
name = Marshal.StringToCoTaskMemAnsi(type.Name),
|
|
fullname = Marshal.StringToCoTaskMemAnsi(type.FullName),
|
|
@namespace = Marshal.StringToCoTaskMemAnsi(type.Namespace ?? ""),
|
|
typeAttributes = (uint)type.Attributes,
|
|
};
|
|
Marshal.StructureToPtr(managedClass, ptr, false);
|
|
}
|
|
|
|
*managedClasses = arr;
|
|
*managedClassCount = assemblyTypes.Length;
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static unsafe void GetManagedClassFromType(IntPtr typeHandle, ManagedClass* managedClass, IntPtr* assemblyHandle)
|
|
{
|
|
var type = (Type)GCHandle.FromIntPtr(typeHandle).Target;
|
|
|
|
GCHandle classTypeHandle = GetOrAddTypeGCHandle(type);
|
|
|
|
*managedClass = new ManagedClass()
|
|
{
|
|
typeHandle = GCHandle.ToIntPtr(classTypeHandle),
|
|
name = Marshal.StringToCoTaskMemAnsi(type.Name),
|
|
fullname = Marshal.StringToCoTaskMemAnsi(type.FullName),
|
|
@namespace = Marshal.StringToCoTaskMemAnsi(type.Namespace ?? ""),
|
|
typeAttributes = (uint)type.Attributes,
|
|
};
|
|
*assemblyHandle = GCHandle.ToIntPtr(GetAssemblyHandle(type.Assembly));
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static void GetClassMethods(IntPtr typeHandle, ClassMethod** classMethods, int* classMethodsCount)
|
|
{
|
|
Type type = (Type)GCHandle.FromIntPtr(typeHandle).Target;
|
|
|
|
List<MethodInfo> methods = new List<MethodInfo>();
|
|
var staticMethods = type.GetMethods(BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly);
|
|
var instanceMethods = type.GetMethods(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly);
|
|
foreach (MethodInfo methodInfo in staticMethods)
|
|
methods.Add(methodInfo);
|
|
foreach (MethodInfo methodInfo in instanceMethods)
|
|
methods.Add(methodInfo);
|
|
|
|
ClassMethod* arr = (ClassMethod*)Marshal.AllocCoTaskMem(Unsafe.SizeOf<ClassMethod>() * methods.Count).ToPointer();
|
|
for (int i = 0; i < methods.Count; i++)
|
|
{
|
|
IntPtr ptr = IntPtr.Add(new IntPtr(arr), Unsafe.SizeOf<ClassMethod>() * i);
|
|
ClassMethod classMethod = new ClassMethod()
|
|
{
|
|
name = Marshal.StringToCoTaskMemAnsi(methods[i].Name),
|
|
numParameters = methods[i].GetParameters().Length,
|
|
methodAttributes = (uint)methods[i].Attributes,
|
|
};
|
|
classMethod.typeHandle = GCHandle.ToIntPtr(GetMethodGCHandle(methods[i]));
|
|
Marshal.StructureToPtr(classMethod, ptr, false);
|
|
}
|
|
*classMethods = arr;
|
|
*classMethodsCount = methods.Count;
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static void GetClassFields(IntPtr typeHandle, ClassField** classFields, int* classFieldsCount)
|
|
{
|
|
Type type = (Type)GCHandle.FromIntPtr(typeHandle).Target;
|
|
var fields = type.GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
|
|
|
|
ClassField* arr = (ClassField*)Marshal.AllocCoTaskMem(Unsafe.SizeOf<ClassField>() * fields.Length).ToPointer();
|
|
for (int i = 0; i < fields.Length; i++)
|
|
{
|
|
IntPtr ptr = IntPtr.Add(new IntPtr(arr), Unsafe.SizeOf<ClassField>() * i);
|
|
|
|
GCHandle fieldHandle = GCHandle.Alloc(fields[i]);
|
|
if (type.IsCollectible)
|
|
fieldHandleCacheCollectible.Add(fieldHandle);
|
|
else
|
|
fieldHandleCache.Add(fieldHandle);
|
|
|
|
ClassField classField = new ClassField()
|
|
{
|
|
name = Marshal.StringToCoTaskMemAnsi(fields[i].Name),
|
|
fieldHandle = GCHandle.ToIntPtr(fieldHandle),
|
|
fieldTypeHandle = GCHandle.ToIntPtr(GetOrAddTypeGCHandle(fields[i].FieldType)),
|
|
fieldAttributes = (uint)fields[i].Attributes,
|
|
};
|
|
Marshal.StructureToPtr(classField, ptr, false);
|
|
}
|
|
*classFields = arr;
|
|
*classFieldsCount = fields.Length;
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static void GetClassProperties(IntPtr typeHandle, ClassProperty** classProperties, int* classPropertiesCount)
|
|
{
|
|
Type type = (Type)GCHandle.FromIntPtr(typeHandle).Target;
|
|
var properties = type.GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
|
|
|
|
ClassProperty* arr = (ClassProperty*)Marshal.AllocCoTaskMem(Unsafe.SizeOf<ClassProperty>() * properties.Length).ToPointer();
|
|
for (int i = 0; i < properties.Length; i++)
|
|
{
|
|
IntPtr ptr = IntPtr.Add(new IntPtr(arr), Unsafe.SizeOf<ClassProperty>() * i);
|
|
|
|
var getterMethod = properties[i].GetGetMethod(true);
|
|
var setterMethod = properties[i].GetSetMethod(true);
|
|
|
|
ClassProperty classProperty = new ClassProperty()
|
|
{
|
|
name = Marshal.StringToCoTaskMemAnsi(properties[i].Name),
|
|
};
|
|
if (getterMethod != null)
|
|
{
|
|
var getterHandle = GetMethodGCHandle(getterMethod);
|
|
classProperty.getterHandle = GCHandle.ToIntPtr(getterHandle);
|
|
}
|
|
if (setterMethod != null)
|
|
{
|
|
var setterHandle = GetMethodGCHandle(setterMethod);
|
|
classProperty.setterHandle = GCHandle.ToIntPtr(setterHandle);
|
|
}
|
|
Marshal.StructureToPtr(classProperty, ptr, false);
|
|
}
|
|
*classProperties = arr;
|
|
*classPropertiesCount = properties.Length;
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static void GetClassAttributes(IntPtr typeHandle, ClassAttribute** classAttributes, int* classAttributesCount)
|
|
{
|
|
Type type = (Type)GCHandle.FromIntPtr(typeHandle).Target;
|
|
object[] attributeValues = type.GetCustomAttributes(false);
|
|
Type[] attributeTypes = type.GetCustomAttributes(false).Select(x => x.GetType()).ToArray();
|
|
|
|
ClassAttribute* arr = (ClassAttribute*)Marshal.AllocCoTaskMem(Unsafe.SizeOf<ClassAttribute>() * attributeTypes.Length).ToPointer();
|
|
for (int i = 0; i < attributeTypes.Length; i++)
|
|
{
|
|
IntPtr ptr = IntPtr.Add(new IntPtr(arr), Unsafe.SizeOf<ClassAttribute>() * i);
|
|
|
|
GCHandle attributeHandle = GCHandle.Alloc(attributeValues[i]);
|
|
GCHandle attributeTypeHandle = GetOrAddTypeGCHandle(attributeTypes[i]);
|
|
|
|
ClassAttribute classAttribute = new ClassAttribute()
|
|
{
|
|
name = Marshal.StringToCoTaskMemAnsi(attributeTypes[i].Name),
|
|
attributeTypeHandle = GCHandle.ToIntPtr(attributeTypeHandle),
|
|
attributeHandle = GCHandle.ToIntPtr(attributeHandle),
|
|
};
|
|
Marshal.StructureToPtr(classAttribute, ptr, false);
|
|
}
|
|
*classAttributes = arr;
|
|
*classAttributesCount = attributeTypes.Length;
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static void GetClassInterfaces(IntPtr typeHandle, IntPtr* classInterfaces, int* classInterfacesCount)
|
|
{
|
|
Type type = (Type)GCHandle.FromIntPtr(typeHandle).Target;
|
|
|
|
var interfaces = type.GetInterfaces();
|
|
|
|
// mono doesn't seem to return any interfaces, or returns only "immediate" interfaces? // FIXME?
|
|
//foreach (Type interfaceType in type.BaseType.GetInterfaces())
|
|
// interfaces.Remove(interfaceType.FullName);
|
|
|
|
IntPtr arr = Marshal.AllocCoTaskMem(IntPtr.Size * interfaces.Length);
|
|
for (int i = 0; i < interfaces.Length; i++)
|
|
{
|
|
IntPtr ptr = IntPtr.Add(arr, IntPtr.Size * i);
|
|
|
|
GCHandle handle = GetTypeGCHandle(interfaces[i]);
|
|
Marshal.WriteIntPtr(ptr, GCHandle.ToIntPtr(handle));
|
|
}
|
|
*classInterfaces = arr;
|
|
*classInterfacesCount = interfaces.Length;
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr GetMethodReturnType(IntPtr methodHandle)
|
|
{
|
|
(Type[] parameterTypes, MethodInfo methodInfo) = (Tuple<Type[], MethodInfo>)GCHandle.FromIntPtr(methodHandle).Target;
|
|
Type returnType = methodInfo.ReturnType;
|
|
|
|
return GCHandle.ToIntPtr(GetTypeGCHandle(returnType));
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static void GetMethodParameterTypes(IntPtr methodHandle, IntPtr* typeHandles)
|
|
{
|
|
(Type[] parameterTypes, MethodInfo methodInfo) = (Tuple<Type[], MethodInfo>)GCHandle.FromIntPtr(methodHandle).Target;
|
|
Type returnType = methodInfo.ReturnType;
|
|
|
|
IntPtr arr = Marshal.AllocCoTaskMem(IntPtr.Size * parameterTypes.Length);
|
|
for (int i = 0; i < parameterTypes.Length; i++)
|
|
{
|
|
IntPtr ptr = IntPtr.Add(new IntPtr(arr), IntPtr.Size * i);
|
|
|
|
GCHandle typeHandle = GetOrAddTypeGCHandle(parameterTypes[i]);
|
|
|
|
Marshal.WriteIntPtr(ptr, GCHandle.ToIntPtr(typeHandle));
|
|
}
|
|
*typeHandles = arr;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns pointer to the string's internal structure, containing the buffer and length of the string.
|
|
/// </summary>
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr GetStringPointer(IntPtr stringHandle)
|
|
{
|
|
string str = (string)GCHandle.FromIntPtr(stringHandle).Target;
|
|
IntPtr ptr = (Unsafe.Read<IntPtr>(Unsafe.AsPointer(ref str)) + sizeof(int) * 2);
|
|
return ptr;
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr NewObject(IntPtr typeHandle)
|
|
{
|
|
Type classType = (Type)GCHandle.FromIntPtr(typeHandle).Target;
|
|
|
|
if (classType == typeof(Script))
|
|
{
|
|
// FIXME: Script is an abstract type which can not be instantiated
|
|
classType = typeof(VisjectScript);
|
|
}
|
|
|
|
object obj = RuntimeHelpers.GetUninitializedObject(classType);
|
|
|
|
IntPtr handle = GCHandle.ToIntPtr(GCHandle.Alloc(obj));
|
|
return handle;
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr NewArray(IntPtr typeHandle, long size)
|
|
{
|
|
Type type = (Type)GCHandle.FromIntPtr(typeHandle).Target;
|
|
Type elementType;
|
|
if (IsBlittable(type))
|
|
elementType = type;
|
|
else
|
|
elementType = GetInternalType(type) ?? typeof(IntPtr);
|
|
Array arr = Array.CreateInstance(elementType, size);
|
|
ManagedArray managedArray = new ManagedArray(arr);
|
|
return GCHandle.ToIntPtr(GCHandle.Alloc(managedArray/*, GCHandleType.Weak*/));
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static unsafe IntPtr GetArrayPointerToElement(IntPtr arrayHandle, int size, int index)
|
|
{
|
|
object obj = GCHandle.FromIntPtr(arrayHandle).Target;
|
|
if (obj is ManagedArray managedArray)
|
|
{
|
|
if (managedArray.Length == 0)
|
|
return IntPtr.Zero;
|
|
Assert.IsTrue(index >= 0 && index < managedArray.Length);
|
|
IntPtr ptr = IntPtr.Add(managedArray.PointerToPinnedArray, size * index);
|
|
return ptr;
|
|
}
|
|
else
|
|
{
|
|
Array array = (Array)obj;
|
|
if (array.Length == 0)
|
|
return IntPtr.Zero;
|
|
Assert.IsTrue(index >= 0 && index < array.Length);
|
|
IntPtr ptr = Marshal.UnsafeAddrOfPinnedArrayElement(array, index);
|
|
return ptr;
|
|
}
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static int GetArrayLength(IntPtr handlePtr)
|
|
{
|
|
object obj = GCHandle.FromIntPtr(handlePtr).Target;
|
|
if (obj is ManagedArray managedArray)
|
|
return managedArray.Length;
|
|
else
|
|
return ((Array)obj).Length;
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr GetStringEmpty()
|
|
{
|
|
string str = "";
|
|
return GCHandle.ToIntPtr(GCHandle.Alloc(str));
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr NewStringUTF16(char* text, int length)
|
|
{
|
|
string str = new string(new ReadOnlySpan<char>(text, length));
|
|
return GCHandle.ToIntPtr(GCHandle.Alloc(str));
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr NewString(sbyte* text)
|
|
{
|
|
string str = new string(text);
|
|
return GCHandle.ToIntPtr(GCHandle.Alloc(str));
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr NewStringLength(sbyte* text, int length)
|
|
{
|
|
string str = new string(text, 0, length);
|
|
return GCHandle.ToIntPtr(GCHandle.Alloc(str));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates a managed copy of the value, and stores it in a boxed reference.
|
|
/// </summary>
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr BoxValue(IntPtr typeHandle, IntPtr valuePtr)
|
|
{
|
|
Type type = (Type)GCHandle.FromIntPtr(typeHandle).Target;
|
|
|
|
object value = MarshalToObject(type, valuePtr, out _);
|
|
return GCHandle.ToIntPtr(GCHandle.Alloc(value, GCHandleType.Weak));
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr GetObjectType(IntPtr handle)
|
|
{
|
|
var obj = GCHandle.FromIntPtr(handle).Target;
|
|
Type classType = obj.GetType();
|
|
return GCHandle.ToIntPtr(GetOrAddTypeGCHandle(classType));
|
|
}
|
|
|
|
internal unsafe class StructUnboxer<T> where T : struct
|
|
{
|
|
public StructUnboxer(object obj, IntPtr ptr)
|
|
{
|
|
IntPtr* pin = (IntPtr*)ptr;
|
|
*pin = new IntPtr(Unsafe.AsPointer(ref Unsafe.Unbox<T>(obj)));
|
|
}
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal unsafe static IntPtr UnboxValue(IntPtr handlePtr)
|
|
{
|
|
GCHandle handle = GCHandle.FromIntPtr(handlePtr);
|
|
object obj = handle.Target;
|
|
Type type = obj.GetType();
|
|
|
|
if (!type.IsValueType)
|
|
return handlePtr;
|
|
|
|
// HACK: Get the address of a non-pinned value
|
|
IntPtr ptr = IntPtr.Zero;
|
|
IntPtr* addr = &ptr;
|
|
Activator.CreateInstance(typeof(StructUnboxer<>).MakeGenericType(type), obj, new IntPtr(addr));
|
|
|
|
return ptr;
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static void RaiseException(IntPtr exceptionHandle)
|
|
{
|
|
var exception = (Exception)GCHandle.FromIntPtr(exceptionHandle).Target;
|
|
throw exception;
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static void ObjectInit(IntPtr handle)
|
|
{
|
|
object obj = GCHandle.FromIntPtr(handle).Target;
|
|
Type classType = obj.GetType();
|
|
|
|
var ctors = classType.GetMember(".ctor", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
|
|
var ctor = ctors[0] as ConstructorInfo;
|
|
ctor.Invoke(obj, null);
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr InvokeMethod(IntPtr instance, IntPtr methodHandle, IntPtr paramData, IntPtr exceptionPtr)
|
|
{
|
|
(Type[] parameterTypes, MethodInfo methodInfo) = (Tuple<Type[], MethodInfo>)GCHandle.FromIntPtr(methodHandle).Target;
|
|
int numParams = parameterTypes.Length;
|
|
|
|
var intPtrParams = stackalloc IntPtr[numParams];
|
|
var objParams = new object[numParams];
|
|
|
|
IntPtr curptr = paramData;
|
|
for (int i = 0; i < numParams; i++)
|
|
{
|
|
intPtrParams[i] = Marshal.ReadIntPtr(curptr);
|
|
curptr = IntPtr.Add(curptr, sizeof(IntPtr));
|
|
objParams[i] = MarshalToObject(parameterTypes[i], intPtrParams[i], out _);
|
|
}
|
|
|
|
object returnObject;
|
|
try
|
|
{
|
|
object inst = instance != IntPtr.Zero ? GCHandle.FromIntPtr(instance).Target : null;
|
|
returnObject = methodInfo.Invoke(inst, objParams);
|
|
}
|
|
catch (Exception exception)
|
|
{
|
|
// The internal exception thrown in MethodInfo.Invoke is caught here
|
|
Exception realException = exception;
|
|
if (exception.InnerException != null && exception.TargetSite.ReflectedType.Name == "MethodInvoker")
|
|
realException = exception.InnerException;
|
|
|
|
if (exceptionPtr != IntPtr.Zero)
|
|
Marshal.WriteIntPtr(exceptionPtr, GCHandle.ToIntPtr(GCHandle.Alloc(realException, GCHandleType.Weak)));
|
|
else
|
|
throw realException;
|
|
return IntPtr.Zero;
|
|
}
|
|
|
|
// Marshal reference parameters back to original unmanaged references
|
|
for (int i = 0; i < numParams; i++)
|
|
{
|
|
Type parameterType = parameterTypes[i];
|
|
if (parameterType.IsByRef)
|
|
{
|
|
IntPtr paramPtr = intPtrParams[i];
|
|
MarshalFromObject(objParams[i], parameterType.GetElementType(), ref paramPtr);
|
|
}
|
|
}
|
|
|
|
if (returnObject is not null)
|
|
{
|
|
if (returnObject is string returnStr)
|
|
return ManagedString.ToNative(returnStr);
|
|
else if (returnObject is IntPtr returnPtr)
|
|
return returnPtr;
|
|
else if (returnObject is bool boolValue)
|
|
return boolValue ? boolTruePtr : boolFalsePtr;
|
|
else if (returnObject is Type typeValue)
|
|
return GCHandle.ToIntPtr(GetOrAddTypeGCHandle(typeValue));
|
|
else if (returnObject is object[] objectArray)
|
|
return GCHandle.ToIntPtr(GCHandle.Alloc(ManagedArray.Get(ManagedArrayToGCHandleArray(objectArray)), GCHandleType.Weak));
|
|
else
|
|
return GCHandle.ToIntPtr(GCHandle.Alloc(returnObject, GCHandleType.Weak));
|
|
}
|
|
return IntPtr.Zero;
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr GetMethodUnmanagedFunctionPointer(IntPtr methodHandle)
|
|
{
|
|
(Type[] parameterTypes, MethodInfo methodInfo) = (Tuple<Type[], MethodInfo>)GCHandle.FromIntPtr(methodHandle).Target;
|
|
int numParams = parameterTypes.Length;
|
|
parameterTypes = parameterTypes.Append(methodInfo.ReturnType).ToArray();
|
|
|
|
// Wrap the method call, this is needed to get the object instance from GCHandle and to pass the exception back to native side
|
|
var invokeThunk = typeof(ThunkContext).GetMethod("InvokeThunk");
|
|
parameterTypes = invokeThunk.GetParameters().Select(x => x.ParameterType).Append(invokeThunk.ReturnType).ToArray();
|
|
Type delegateType = DelegateHelpers.NewDelegateType(parameterTypes);
|
|
|
|
var context = new ThunkContext();
|
|
context.methodInfo = methodInfo;
|
|
context.numParams = numParams;
|
|
context.objParams = new object[numParams];
|
|
context.parameterTypes = methodInfo.GetParameters().Select(x => x.ParameterType).ToArray();
|
|
|
|
Delegate methodDelegate = Delegate.CreateDelegate(delegateType, context, invokeThunk);
|
|
|
|
IntPtr functionPtr = Marshal.GetFunctionPointerForDelegate(methodDelegate);
|
|
|
|
// Keep a reference to the delegate to prevent it from being garbage collected
|
|
var delegates = cachedDelegates;
|
|
if (parameterTypes.Any(x => scriptingAssemblyLoadContext.Assemblies.Contains(x.Module.Assembly)))
|
|
delegates = cachedDelegatesCollectible;
|
|
lock (delegates)
|
|
{
|
|
delegates[functionPtr] = methodDelegate;
|
|
}
|
|
|
|
return functionPtr;
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static void FieldSetValue(IntPtr handle, IntPtr fieldHandle, IntPtr value)
|
|
{
|
|
var obj = GCHandle.FromIntPtr(handle).Target;
|
|
FieldInfo fieldInfo = (FieldInfo)GCHandle.FromIntPtr(fieldHandle).Target;
|
|
|
|
var val = Marshal.PtrToStructure(value, fieldInfo.FieldType);
|
|
fieldInfo.SetValue(obj, val);
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static void FieldGetValue(IntPtr handle, IntPtr fieldHandle, IntPtr value_)
|
|
{
|
|
var obj = GCHandle.FromIntPtr(handle).Target;
|
|
FieldInfo fieldInfo = (FieldInfo)GCHandle.FromIntPtr(fieldHandle).Target;
|
|
object fieldValue = fieldInfo.GetValue(obj);
|
|
|
|
IntPtr value;
|
|
if (fieldValue is Type type)
|
|
value = GCHandle.ToIntPtr(GetOrAddTypeGCHandle(type));
|
|
else if (fieldInfo.FieldType == typeof(IntPtr))
|
|
value = (IntPtr)fieldValue;
|
|
else
|
|
value = GCHandle.ToIntPtr(GCHandle.Alloc(fieldValue, GCHandleType.Weak));
|
|
Marshal.WriteIntPtr(value_, value);
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static void SetArrayValueReference(IntPtr arrayHandle, IntPtr elementPtr, IntPtr valueHandle)
|
|
{
|
|
ManagedArray arr = (ManagedArray)GCHandle.FromIntPtr(arrayHandle).Target;
|
|
int index = (int)(elementPtr.ToInt64() - arr.PointerToPinnedArray.ToInt64()) / arr.elementSize;
|
|
arr.array.SetValue(valueHandle, index);
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr LoadAssemblyFromPath(IntPtr assemblyPath_, IntPtr* assemblyName, IntPtr* assemblyFullName)
|
|
{
|
|
if (!firstAssemblyLoaded)
|
|
{
|
|
// This assembly was already loaded when initializing the host context
|
|
firstAssemblyLoaded = true;
|
|
|
|
Assembly flaxEngineAssembly = AppDomain.CurrentDomain.GetAssemblies().First(x => x.GetName().Name == "FlaxEngine.CSharp");
|
|
*assemblyName = Marshal.StringToCoTaskMemAnsi(flaxEngineAssembly.GetName().Name);
|
|
*assemblyFullName = Marshal.StringToCoTaskMemAnsi(flaxEngineAssembly.FullName);
|
|
return GCHandle.ToIntPtr(GetAssemblyHandle(flaxEngineAssembly));
|
|
}
|
|
string assemblyPath = Marshal.PtrToStringAnsi(assemblyPath_);
|
|
|
|
Assembly assembly = scriptingAssemblyLoadContext.LoadFromAssemblyPath(assemblyPath);
|
|
|
|
*assemblyName = Marshal.StringToCoTaskMemAnsi(assembly.GetName().Name);
|
|
*assemblyFullName = Marshal.StringToCoTaskMemAnsi(assembly.FullName);
|
|
return GCHandle.ToIntPtr(GetAssemblyHandle(assembly));
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr LoadAssemblyImage(IntPtr data, int len, IntPtr assemblyPath_, IntPtr* assemblyName, IntPtr* assemblyFullName)
|
|
{
|
|
if (!firstAssemblyLoaded)
|
|
{
|
|
// This assembly was already loaded when initializing the host context
|
|
firstAssemblyLoaded = true;
|
|
|
|
Assembly flaxEngineAssembly = AppDomain.CurrentDomain.GetAssemblies().First(x => x.GetName().Name == "FlaxEngine.CSharp");
|
|
*assemblyName = Marshal.StringToCoTaskMemAnsi(flaxEngineAssembly.GetName().Name);
|
|
*assemblyFullName = Marshal.StringToCoTaskMemAnsi(flaxEngineAssembly.FullName);
|
|
return GCHandle.ToIntPtr(GetAssemblyHandle(flaxEngineAssembly));
|
|
}
|
|
|
|
string assemblyPath = Marshal.PtrToStringAnsi(assemblyPath_);
|
|
|
|
byte[] raw = new byte[len];
|
|
Marshal.Copy(data, raw, 0, len);
|
|
|
|
using MemoryStream stream = new MemoryStream(raw);
|
|
Assembly assembly = scriptingAssemblyLoadContext.LoadFromStream(stream);
|
|
|
|
// Assemblies loaded via streams have no Location: https://github.com/dotnet/runtime/issues/12822
|
|
AssemblyLocations.Add(assembly.FullName, assemblyPath);
|
|
|
|
*assemblyName = Marshal.StringToCoTaskMemAnsi(assembly.GetName().Name);
|
|
*assemblyFullName = Marshal.StringToCoTaskMemAnsi(assembly.FullName);
|
|
return GCHandle.ToIntPtr(GetAssemblyHandle(assembly));
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr GetAssemblyByName(IntPtr name_, IntPtr* assemblyName, IntPtr* assemblyFullName)
|
|
{
|
|
string name = Marshal.PtrToStringAnsi(name_);
|
|
|
|
Assembly assembly = AppDomain.CurrentDomain.GetAssemblies().FirstOrDefault(x => x.GetName().Name == name);
|
|
if (assembly == null)
|
|
assembly = scriptingAssemblyLoadContext.Assemblies.FirstOrDefault(x => x.GetName().Name == name);
|
|
|
|
*assemblyName = Marshal.StringToCoTaskMemAnsi(assembly.GetName().Name);
|
|
*assemblyFullName = Marshal.StringToCoTaskMemAnsi(assembly.FullName);
|
|
return GCHandle.ToIntPtr(GetAssemblyHandle(assembly));
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr GetRuntimeInformation()
|
|
{
|
|
return Marshal.StringToCoTaskMemAnsi(System.Runtime.InteropServices.RuntimeInformation.FrameworkDescription);
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static void CloseAssembly(IntPtr assemblyHandle)
|
|
{
|
|
Assembly assembly = (Assembly)GCHandle.FromIntPtr(assemblyHandle).Target;
|
|
GCHandle.FromIntPtr(assemblyHandle).Free();
|
|
assemblyHandles.Remove(assembly);
|
|
|
|
AssemblyLocations.Remove(assembly.FullName);
|
|
|
|
// Clear all caches which might hold references to closing assembly
|
|
cachedDelegatesCollectible.Clear();
|
|
typeCache.Clear();
|
|
marshallableStructCache.Clear();
|
|
|
|
// Release all GCHandles in collectible ALC
|
|
foreach (var pair in typeHandleCacheCollectible)
|
|
pair.Value.Free();
|
|
typeHandleCacheCollectible.Clear();
|
|
|
|
foreach (var handle in methodHandlesCollectible)
|
|
handle.Free();
|
|
methodHandlesCollectible.Clear();
|
|
|
|
foreach (var handle in fieldHandleCacheCollectible)
|
|
handle.Free();
|
|
fieldHandleCacheCollectible.Clear();
|
|
|
|
// Unload the ALC
|
|
bool unloading = true;
|
|
scriptingAssemblyLoadContext.Unloading += (alc) => { unloading = false; };
|
|
scriptingAssemblyLoadContext.Unload();
|
|
|
|
while (unloading)
|
|
System.Threading.Thread.Sleep(1);
|
|
|
|
// TODO: benchmark collectible setting performance, maybe enable it only in editor builds?
|
|
scriptingAssemblyLoadContext = new AssemblyLoadContext(null, true);
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr GetAssemblyObject(IntPtr assemblyName_)
|
|
{
|
|
string assemblyName = Marshal.PtrToStringAnsi(assemblyName_);
|
|
Assembly assembly = null;
|
|
assembly = scriptingAssemblyLoadContext.Assemblies.FirstOrDefault(x => x.FullName == assemblyName);
|
|
if (assembly == null)
|
|
assembly = System.AppDomain.CurrentDomain.GetAssemblies().First(x => x.FullName == assemblyName);
|
|
|
|
return GCHandle.ToIntPtr(GCHandle.Alloc(assembly));
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static unsafe int NativeSizeOf(IntPtr typeHandle, uint* align)
|
|
{
|
|
Type originalType = (Type)GCHandle.FromIntPtr(typeHandle).Target;
|
|
Type type = GetInternalType(originalType) ?? originalType;
|
|
|
|
if (type == typeof(Version))
|
|
type = typeof(VersionNative);
|
|
|
|
int size = Marshal.SizeOf(type);
|
|
*align = (uint)size; // Is this correct?
|
|
return size;
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static byte TypeIsSubclassOf(IntPtr typeHandle, IntPtr othertypeHandle, byte checkInterfaces)
|
|
{
|
|
if (typeHandle == othertypeHandle)
|
|
return 1;
|
|
|
|
Type type = (Type)GCHandle.FromIntPtr(typeHandle).Target;
|
|
Type otherType = (Type)GCHandle.FromIntPtr(othertypeHandle).Target;
|
|
|
|
if (type == otherType)
|
|
return 1;
|
|
|
|
if (checkInterfaces != 0 && otherType.IsInterface)
|
|
{
|
|
if (type.GetInterfaces().Contains(otherType))
|
|
return 1;
|
|
}
|
|
|
|
return type.IsSubclassOf(otherType) ? (byte)1 : (byte)0;
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static byte TypeIsValueType(IntPtr typeHandle)
|
|
{
|
|
Type type = (Type)GCHandle.FromIntPtr(typeHandle).Target;
|
|
return (byte)(type.IsValueType ? 1 : 0);
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static byte TypeIsEnum(IntPtr typeHandle)
|
|
{
|
|
Type type = (Type)GCHandle.FromIntPtr(typeHandle).Target;
|
|
return (byte)(type.IsEnum ? 1 : 0);
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr GetClassParent(IntPtr typeHandle)
|
|
{
|
|
Type type = (Type)GCHandle.FromIntPtr(typeHandle).Target;
|
|
return GCHandle.ToIntPtr(GetTypeGCHandle(type.BaseType));
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static byte GetMethodParameterIsOut(IntPtr methodHandle, int parameterNum)
|
|
{
|
|
(Type[] parameterTypes, MethodInfo methodInfo) = (Tuple<Type[], MethodInfo>)GCHandle.FromIntPtr(methodHandle).Target;
|
|
ParameterInfo parameterInfo = methodInfo.GetParameters()[parameterNum];
|
|
return (byte)(parameterInfo.IsOut ? 1 : 0);
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr GetNullReferenceException()
|
|
{
|
|
var exception = new NullReferenceException();
|
|
return GCHandle.ToIntPtr(GCHandle.Alloc(exception, GCHandleType.Weak));
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr GetNotSupportedException()
|
|
{
|
|
var exception = new NotSupportedException();
|
|
return GCHandle.ToIntPtr(GCHandle.Alloc(exception, GCHandleType.Weak));
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr GetArgumentNullException()
|
|
{
|
|
var exception = new ArgumentNullException();
|
|
return GCHandle.ToIntPtr(GCHandle.Alloc(exception, GCHandleType.Weak));
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr GetArgumentException()
|
|
{
|
|
var exception = new ArgumentException();
|
|
return GCHandle.ToIntPtr(GCHandle.Alloc(exception, GCHandleType.Weak));
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr GetArgumentOutOfRangeException()
|
|
{
|
|
var exception = new ArgumentOutOfRangeException();
|
|
return GCHandle.ToIntPtr(GCHandle.Alloc(exception, GCHandleType.Weak));
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr NewGCHandle(IntPtr ptr, byte pinned)
|
|
{
|
|
object obj = GCHandle.FromIntPtr(ptr).Target;
|
|
GCHandle handle = GCHandle.Alloc(obj, pinned != 0 ? GCHandleType.Pinned : GCHandleType.Normal);
|
|
return GCHandle.ToIntPtr(handle);
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static IntPtr NewGCHandleWeakref(IntPtr ptr, byte track_resurrection)
|
|
{
|
|
object obj = GCHandle.FromIntPtr(ptr).Target;
|
|
GCHandle handle = GCHandle.Alloc(obj, track_resurrection != 0 ? GCHandleType.WeakTrackResurrection : GCHandleType.Weak);
|
|
return GCHandle.ToIntPtr(handle);
|
|
}
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static void FreeGCHandle(IntPtr ptr)
|
|
{
|
|
GCHandle handle = GCHandle.FromIntPtr(ptr);
|
|
handle.Free();
|
|
}
|
|
|
|
internal enum MonoType
|
|
{
|
|
MONO_TYPE_END = 0x00,
|
|
MONO_TYPE_VOID = 0x01,
|
|
MONO_TYPE_BOOLEAN = 0x02,
|
|
MONO_TYPE_CHAR = 0x03,
|
|
MONO_TYPE_I1 = 0x04,
|
|
MONO_TYPE_U1 = 0x05,
|
|
MONO_TYPE_I2 = 0x06,
|
|
MONO_TYPE_U2 = 0x07,
|
|
MONO_TYPE_I4 = 0x08,
|
|
MONO_TYPE_U4 = 0x09,
|
|
MONO_TYPE_I8 = 0x0a,
|
|
MONO_TYPE_U8 = 0x0b,
|
|
MONO_TYPE_R4 = 0x0c,
|
|
MONO_TYPE_R8 = 0x0d,
|
|
MONO_TYPE_STRING = 0x0e,
|
|
MONO_TYPE_PTR = 0x0f,
|
|
MONO_TYPE_BYREF = 0x10,
|
|
MONO_TYPE_VALUETYPE = 0x11,
|
|
MONO_TYPE_CLASS = 0x12,
|
|
MONO_TYPE_VAR = 0x13,
|
|
MONO_TYPE_ARRAY = 0x14,
|
|
MONO_TYPE_GENERICINST = 0x15,
|
|
MONO_TYPE_TYPEDBYREF = 0x16,
|
|
MONO_TYPE_I = 0x18,
|
|
MONO_TYPE_U = 0x19,
|
|
MONO_TYPE_FNPTR = 0x1b,
|
|
MONO_TYPE_OBJECT = 0x1c,
|
|
MONO_TYPE_SZARRAY = 0x1d,
|
|
MONO_TYPE_MVAR = 0x1e,
|
|
MONO_TYPE_CMOD_REQD = 0x1f,
|
|
MONO_TYPE_CMOD_OPT = 0x20,
|
|
MONO_TYPE_INTERNAL = 0x21,
|
|
MONO_TYPE_MODIFIER = 0x40,
|
|
MONO_TYPE_SENTINEL = 0x41,
|
|
MONO_TYPE_PINNED = 0x45,
|
|
MONO_TYPE_ENUM = 0x55,
|
|
};
|
|
|
|
[UnmanagedCallersOnly]
|
|
internal static int GetTypeMonoTypeEnum(IntPtr typeHandle)
|
|
{
|
|
Type type = (Type)GCHandle.FromIntPtr(typeHandle).Target;
|
|
|
|
MonoType monoType;
|
|
switch (type)
|
|
{
|
|
case Type _ when type == typeof(bool):
|
|
monoType = MonoType.MONO_TYPE_BOOLEAN;
|
|
break;
|
|
case Type _ when type == typeof(sbyte):
|
|
case Type _ when type == typeof(short):
|
|
monoType = MonoType.MONO_TYPE_I2;
|
|
break;
|
|
case Type _ when type == typeof(byte):
|
|
case Type _ when type == typeof(ushort):
|
|
monoType = MonoType.MONO_TYPE_U2;
|
|
break;
|
|
case Type _ when type == typeof(int):
|
|
monoType = MonoType.MONO_TYPE_I4;
|
|
break;
|
|
case Type _ when type == typeof(uint):
|
|
monoType = MonoType.MONO_TYPE_U4;
|
|
break;
|
|
case Type _ when type == typeof(long):
|
|
monoType = MonoType.MONO_TYPE_I8;
|
|
break;
|
|
case Type _ when type == typeof(ulong):
|
|
monoType = MonoType.MONO_TYPE_U8;
|
|
break;
|
|
case Type _ when type == typeof(float):
|
|
monoType = MonoType.MONO_TYPE_R4;
|
|
break;
|
|
case Type _ when type == typeof(double):
|
|
monoType = MonoType.MONO_TYPE_R8;
|
|
break;
|
|
case Type _ when type == typeof(string):
|
|
monoType = MonoType.MONO_TYPE_STRING;
|
|
break;
|
|
case Type _ when type == typeof(IntPtr):
|
|
monoType = MonoType.MONO_TYPE_PTR;
|
|
break;
|
|
case Type _ when type.IsEnum:
|
|
{
|
|
var elementType = type.GetEnumUnderlyingType();
|
|
if (elementType == typeof(sbyte) || elementType == typeof(short))
|
|
monoType = MonoType.MONO_TYPE_I2;
|
|
else if (elementType == typeof(byte) || elementType == typeof(ushort))
|
|
monoType = MonoType.MONO_TYPE_U2;
|
|
else if (elementType == typeof(int))
|
|
monoType = MonoType.MONO_TYPE_I4;
|
|
else if (elementType == typeof(uint))
|
|
monoType = MonoType.MONO_TYPE_U4;
|
|
else if (elementType == typeof(long))
|
|
monoType = MonoType.MONO_TYPE_I8;
|
|
else if (elementType == typeof(ulong))
|
|
monoType = MonoType.MONO_TYPE_U8;
|
|
else
|
|
throw new Exception($"GetTypeMonoTypeEnum: Unsupported type '{type.FullName}'");
|
|
break;
|
|
}
|
|
case Type _ when type.IsValueType && !type.IsEnum && !type.IsPrimitive:
|
|
monoType = MonoType.MONO_TYPE_VALUETYPE;
|
|
break;
|
|
case Type _ when type.IsClass:
|
|
monoType = MonoType.MONO_TYPE_OBJECT;
|
|
break;
|
|
case Type _ when type.IsGenericType:
|
|
monoType = MonoType.MONO_TYPE_GENERICINST;
|
|
break;
|
|
|
|
default: throw new Exception($"GetTypeMonoTypeEnum: Unsupported type '{type.FullName}'");
|
|
}
|
|
|
|
return (int)monoType;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns all types that that owned by this assembly.
|
|
/// </summary>
|
|
private static Type[] GetAssemblyTypes(Assembly assembly)
|
|
{
|
|
var referencedAssemblies = assembly.GetReferencedAssemblies();
|
|
var allAssemblies = AppDomain.CurrentDomain.GetAssemblies();
|
|
|
|
List<string> referencedTypes = new List<string>();
|
|
foreach (var assemblyName in referencedAssemblies)
|
|
{
|
|
var asm = allAssemblies.FirstOrDefault(x => x.GetName().Name == assemblyName.Name);
|
|
if (asm == null)
|
|
continue;
|
|
referencedTypes.AddRange(asm.DefinedTypes.Select(x => x.FullName).ToArray());
|
|
}
|
|
|
|
// TODO: use MetadataReader to read types without loading any of the referenced assemblies?
|
|
// https://makolyte.com/csharp-get-a-list-of-types-defined-in-an-assembly-without-loading-it/
|
|
|
|
/*var assemblyPath = Utils.GetAssemblyLocation(assembly);
|
|
List<TypeInfo> types = new List<TypeInfo>();
|
|
using (var sr = new StreamReader(assemblyPath))
|
|
{
|
|
using (var portableExecutableReader = new PEReader(sr.BaseStream))
|
|
{
|
|
var metadataReader = portableExecutableReader.GetMetadataReader();
|
|
|
|
foreach (var typeDefHandle in metadataReader.TypeDefinitions)
|
|
{
|
|
var typeDef = metadataReader.GetTypeDefinition(typeDefHandle);
|
|
|
|
if (string.IsNullOrEmpty(metadataReader.GetString(typeDef.Namespace)))
|
|
continue; //if it's namespace is blank, it's not a user-defined type
|
|
|
|
if (typeDef.Attributes.HasFlag(TypeAttributes.Abstract) || !typeDef.Attributes.HasFlag(TypeAttributes.Public))
|
|
continue; //Not a internal concrete type
|
|
|
|
types.Add(typeDef);
|
|
}
|
|
}
|
|
}*/
|
|
|
|
// We need private types of this assembly too, DefinedTypes contains a lot of types from other assemblies...
|
|
var types = referencedTypes.Any() ? assembly.DefinedTypes.Where(x => !referencedTypes.Contains(x.FullName)).ToArray() : assembly.DefinedTypes.ToArray();
|
|
|
|
Assert.IsTrue(AppDomain.CurrentDomain.GetAssemblies().Where(x => x.GetName().Name == "FlaxEngine.CSharp").Count() == 1);
|
|
|
|
return types;
|
|
}
|
|
|
|
internal static GCHandle GetOrAddTypeGCHandle(Type type)
|
|
{
|
|
GCHandle handle;
|
|
if (typeHandleCache.TryGetValue(type.AssemblyQualifiedName, out handle))
|
|
return handle;
|
|
|
|
if (typeHandleCacheCollectible.TryGetValue(type.AssemblyQualifiedName, out handle))
|
|
return handle;
|
|
|
|
handle = GCHandle.Alloc(type);
|
|
if (type.IsCollectible) // check if generic parameters are also collectible?
|
|
typeHandleCacheCollectible.Add(type.AssemblyQualifiedName, handle);
|
|
else
|
|
typeHandleCache.Add(type.AssemblyQualifiedName, handle);
|
|
|
|
return handle;
|
|
}
|
|
|
|
internal static GCHandle GetTypeGCHandle(Type type)
|
|
{
|
|
GCHandle handle;
|
|
if (typeHandleCache.TryGetValue(type.AssemblyQualifiedName, out handle))
|
|
return handle;
|
|
|
|
if (typeHandleCacheCollectible.TryGetValue(type.AssemblyQualifiedName, out handle))
|
|
return handle;
|
|
|
|
throw new Exception($"GCHandle not found for type '{type.FullName}'");
|
|
}
|
|
|
|
internal static class DelegateHelpers
|
|
{
|
|
private static readonly Func<Type[], Type> MakeNewCustomDelegate =
|
|
(Func<Type[], Type>)Delegate.CreateDelegate(typeof(Func<Type[], Type>),
|
|
typeof(Expression).Assembly.GetType("System.Linq.Expressions.Compiler.DelegateHelpers")
|
|
.GetMethod("MakeNewCustomDelegate", BindingFlags.NonPublic | BindingFlags.Static));
|
|
|
|
internal static void Init()
|
|
{
|
|
// Ensures the MakeNewCustomDelegate is put in the collectible ALC?
|
|
using var ctx = scriptingAssemblyLoadContext.EnterContextualReflection();
|
|
|
|
MakeNewCustomDelegate(new[] { typeof(void) });
|
|
}
|
|
|
|
internal static Type NewDelegateType(params Type[] parameters)
|
|
{
|
|
if (parameters.Any(x => scriptingAssemblyLoadContext.Assemblies.Contains(x.Module.Assembly)))
|
|
{
|
|
// Ensure the new delegate is placed in the collectible ALC
|
|
//using var ctx = scriptingAssemblyLoadContext.EnterContextualReflection();
|
|
return MakeNewCustomDelegate(parameters);
|
|
}
|
|
|
|
return MakeNewCustomDelegate(parameters);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Wrapper class for invoking function pointers from unmanaged code.
|
|
/// </summary>
|
|
internal class ThunkContext
|
|
{
|
|
internal MethodInfo methodInfo;
|
|
internal int numParams;
|
|
internal Type[] parameterTypes;
|
|
internal object[] objParams;
|
|
|
|
private static MethodInfo castMethod = typeof(ThunkContext).GetMethod("Cast", BindingFlags.Static | BindingFlags.NonPublic);
|
|
|
|
private static object CastParameter(Type type, IntPtr ptr)
|
|
{
|
|
if (type.IsValueType)
|
|
{
|
|
var closeCast = castMethod.MakeGenericMethod(type);
|
|
return closeCast.Invoke(ptr, new[] { (object)ptr });
|
|
}
|
|
else if (type.IsClass)
|
|
return ptr == IntPtr.Zero ? null : GCHandle.FromIntPtr(ptr).Target;
|
|
return null;
|
|
}
|
|
|
|
public IntPtr InvokeThunk(IntPtr instance, IntPtr param1, IntPtr param2, IntPtr param3, IntPtr param4, IntPtr param5, IntPtr param6, IntPtr param7)
|
|
{
|
|
var intPtrParams = stackalloc IntPtr[] { param1, param2, param3, param4, param5, param6, param7 };
|
|
|
|
for (int i = 0; i < numParams; i++)
|
|
objParams[i] = CastParameter(parameterTypes[i], intPtrParams[i]);
|
|
|
|
object returnObject;
|
|
try
|
|
{
|
|
returnObject = methodInfo.Invoke(instance != IntPtr.Zero ? GCHandle.FromIntPtr(instance).Target : null, objParams);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
IntPtr exceptionPtr = intPtrParams[numParams];
|
|
Marshal.WriteIntPtr(exceptionPtr, GCHandle.ToIntPtr(GCHandle.Alloc(ex, GCHandleType.Weak)));
|
|
return IntPtr.Zero;
|
|
}
|
|
|
|
// Marshal reference parameters
|
|
/*for (int i = 0; i < numParams; i++)
|
|
{
|
|
Type parameterType = parameterTypes[i];
|
|
if (parameterType.IsByRef)
|
|
{
|
|
MarshalFromObject(parameterType.GetElementType(), objParams[i], intPtrParams[i], out int writeSize);
|
|
}
|
|
}*/
|
|
|
|
if (returnObject is not null)
|
|
{
|
|
if (returnObject is string returnStr)
|
|
return ManagedString.ToNative(returnStr);
|
|
else if (returnObject is IntPtr returnPtr)
|
|
return returnPtr;
|
|
else if (returnObject is bool boolValue)
|
|
return boolValue ? boolTruePtr : boolFalsePtr;
|
|
else
|
|
return GCHandle.ToIntPtr(GCHandle.Alloc(returnObject, GCHandleType.Weak));
|
|
}
|
|
return IntPtr.Zero;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|