Core: Removed not needed faststruct

This commit is contained in:
hondacrx
2018-12-24 01:03:36 -05:00
parent 40564a73ce
commit 0c4bd05dd9
4 changed files with 17 additions and 144 deletions
+1
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@@ -14,6 +14,7 @@
<PackageReference Include="Microsoft.CSharp" Version="4.5.0" />
<PackageReference Include="MySqlConnector" Version="0.48.2" />
<PackageReference Include="System.Reflection.Emit.Lightweight" Version="4.3.0" />
<PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="4.5.2" />
</ItemGroup>
</Project>
-91
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@@ -1,91 +0,0 @@
/*
* Copyright (C) 2012-2018 CypherCore <http://github.com/CypherCore>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
using System.Reflection.Emit;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Framework.IO
{
public static class FastStruct<T> where T : struct
{
private delegate T LoadFromByteRefDelegate(ref byte source);
private delegate void CopyMemoryDelegate(ref T dest, ref byte src, int count);
private static readonly LoadFromByteRefDelegate LoadFromByteRef = BuildLoadFromByteRefMethod();
private static readonly CopyMemoryDelegate CopyMemory = BuildCopyMemoryMethod();
public static readonly int Size = Marshal.SizeOf<T>();
private static LoadFromByteRefDelegate BuildLoadFromByteRefMethod()
{
var methodLoadFromByteRef = new DynamicMethod("LoadFromByteRef<" + typeof(T).FullName + ">",
typeof(T), new[] { typeof(byte).MakeByRefType() }, typeof(FastStruct<T>));
ILGenerator generator = methodLoadFromByteRef.GetILGenerator();
generator.Emit(OpCodes.Ldarg_0);
generator.Emit(OpCodes.Ldobj, typeof(T));
generator.Emit(OpCodes.Ret);
return (LoadFromByteRefDelegate)methodLoadFromByteRef.CreateDelegate(typeof(LoadFromByteRefDelegate));
}
private static CopyMemoryDelegate BuildCopyMemoryMethod()
{
var methodCopyMemory = new DynamicMethod("CopyMemory<" + typeof(T).FullName + ">",
typeof(void), new[] { typeof(T).MakeByRefType(), typeof(byte).MakeByRefType(), typeof(int) }, typeof(FastStruct<T>));
ILGenerator generator = methodCopyMemory.GetILGenerator();
generator.Emit(OpCodes.Ldarg_0);
generator.Emit(OpCodes.Ldarg_1);
generator.Emit(OpCodes.Ldarg_2);
generator.Emit(OpCodes.Cpblk);
generator.Emit(OpCodes.Ret);
return (CopyMemoryDelegate)methodCopyMemory.CreateDelegate(typeof(CopyMemoryDelegate));
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static T ArrayToStructure(byte[] src)
{
return LoadFromByteRef(ref src[0]);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static T ArrayToStructure(byte[] src, int offset)
{
return LoadFromByteRef(ref src[offset]);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static T ArrayToStructure(ref byte src)
{
return LoadFromByteRef(ref src);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static T[] ReadArray(byte[] source)
{
T[] buffer = new T[source.Length / Size];
if (source.Length > 0)
CopyMemory(ref buffer[0], ref source[0], source.Length);
return buffer;
}
}
}
+16 -49
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@@ -25,6 +25,7 @@ using System.Reflection.Emit;
using System.Runtime.InteropServices;
using System.Text;
using System.Text.RegularExpressions;
using System.Runtime.CompilerServices;
namespace System
{
@@ -157,50 +158,6 @@ namespace System
right = temp;
}
public static Func<object, object> CompileGetter(this FieldInfo field)
{
string methodName = field.ReflectedType.FullName + ".get_" + field.Name;
DynamicMethod setterMethod = new DynamicMethod(methodName, typeof(object), new[] { typeof(object) }, true);
ILGenerator gen = setterMethod.GetILGenerator();
if (field.IsStatic)
{
gen.Emit(OpCodes.Ldsfld, field);
gen.Emit(field.FieldType.IsClass ? OpCodes.Castclass : OpCodes.Box, field.FieldType);
}
else
{
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Castclass, field.DeclaringType);
gen.Emit(OpCodes.Ldfld, field);
gen.Emit(field.FieldType.IsClass ? OpCodes.Castclass : OpCodes.Box, field.FieldType);
}
gen.Emit(OpCodes.Ret);
return (Func<object, object>)setterMethod.CreateDelegate(typeof(Func<object, object>));
}
public static Action<object, object> CompileSetter(this FieldInfo field)
{
string methodName = field.ReflectedType.FullName + ".set_" + field.Name;
DynamicMethod setterMethod = new DynamicMethod(methodName, null, new[] { typeof(object), typeof(object) }, true);
ILGenerator gen = setterMethod.GetILGenerator();
if (field.IsStatic)
{
gen.Emit(OpCodes.Ldarg_1);
gen.Emit(field.FieldType.IsClass ? OpCodes.Castclass : OpCodes.Unbox_Any, field.FieldType);
gen.Emit(OpCodes.Stsfld, field);
}
else
{
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Castclass, field.DeclaringType);
gen.Emit(OpCodes.Ldarg_1);
gen.Emit(field.FieldType.IsClass ? OpCodes.Castclass : OpCodes.Unbox_Any, field.FieldType);
gen.Emit(OpCodes.Stfld, field);
}
gen.Emit(OpCodes.Ret);
return (Action<object, object>)setterMethod.CreateDelegate(typeof(Action<object, object>));
}
public static uint[] SerializeObject<T>(this T obj)
{
//if (obj.GetType()<StructLayoutAttribute>() == null)
@@ -318,18 +275,28 @@ namespace System
public static T[] ReadArray<T>(this BinaryReader reader, uint size) where T : struct
{
int numBytes = FastStruct<T>.Size * (int)size;
int numBytes = Unsafe.SizeOf<T>() * (int)size;
byte[] result = reader.ReadBytes(numBytes);
byte[] source = reader.ReadBytes(numBytes);
return FastStruct<T>.ReadArray(result);
T[] result = new T[source.Length / Unsafe.SizeOf<T>()];
if (source.Length > 0)
{
unsafe
{
Unsafe.CopyBlockUnaligned(Unsafe.AsPointer(ref result[0]), Unsafe.AsPointer(ref source[0]), (uint)source.Length);
}
}
return result;
}
public static T Read<T>(this BinaryReader reader) where T : struct
{
byte[] result = reader.ReadBytes(FastStruct<T>.Size);
byte[] result = reader.ReadBytes(Unsafe.SizeOf<T>());
return FastStruct<T>.ArrayToStructure(result);
return Unsafe.ReadUnaligned<T>(ref result[0]);
}
#endregion
}
-4
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@@ -7,10 +7,6 @@
<LangVersion>7.3</LangVersion>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="4.5.2" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\Framework\Framework.csproj" />
</ItemGroup>