pythonnet/src/runtime/native/TypeOffset.cs at travis-github · ra2003/pythonnet · GitHub

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// ReSharper disable InconsistentNaming

// ReSharper disable IdentifierTypo

namespace Python.Runtime

{

using System;

using System.Collections.Generic;

using System.Diagnostics;

using System.Diagnostics.CodeAnalysis;

using System.Linq;

using System.Reflection;

using Python.Runtime.Native;

[SuppressMessage("Style", "IDE1006:Naming Styles",

Justification = "Following CPython",

Scope = "type")]

static partial class TypeOffset

{

internal static int bf_getbuffer { get; private set; }

internal static int mp_ass_subscript { get; private set; }

internal static int mp_length { get; private set; }

internal static int mp_subscript { get; private set; }

internal static int name { get; private set; }

internal static int nb_add { get; private set; }

internal static int nb_inplace_add { get; private set; }

internal static int nb_inplace_subtract { get; private set; }

internal static int ob_size { get; private set; }

internal static int ob_type { get; private set; }

internal static int qualname { get; private set; }

internal static int sq_contains { get; private set; }

internal static int sq_length { get; private set; }

internal static int tp_alloc { get; private set; }

internal static int tp_as_buffer { get; private set; }

internal static int tp_as_mapping { get; private set; }

internal static int tp_as_number { get; private set; }

internal static int tp_as_sequence { get; private set; }

internal static int tp_base { get; private set; }

internal static int tp_bases { get; private set; }

internal static int tp_basicsize { get; private set; }

internal static int tp_call { get; private set; }

internal static int tp_clear { get; private set; }

internal static int tp_dealloc { get; private set; }

internal static int tp_descr_get { get; private set; }

internal static int tp_descr_set { get; private set; }

internal static int tp_dict { get; private set; }

internal static int tp_dictoffset { get; private set; }

internal static int tp_flags { get; private set; }

internal static int tp_free { get; private set; }

internal static int tp_getattro { get; private set; }

internal static int tp_hash { get; private set; }

internal static int tp_is_gc { get; private set; }

internal static int tp_itemsize { get; private set; }

internal static int tp_iter { get; private set; }

internal static int tp_iternext { get; private set; }

internal static int tp_methods { get; private set; }

internal static int tp_mro { get; private set; }

internal static int tp_name { get; private set; }

internal static int tp_new { get; private set; }

internal static int tp_repr { get; private set; }

internal static int tp_richcompare { get; private set; }

internal static int tp_setattro { get; private set; }

internal static int tp_str { get; private set; }

internal static int tp_traverse { get; private set; }

internal static void Use(ITypeOffsets offsets)

{

if (offsets is null) throw new ArgumentNullException(nameof(offsets));

slotNames.Clear();

var offsetProperties = typeof(TypeOffset).GetProperties(FieldFlags);

foreach (var offsetProperty in offsetProperties)

{

slotNames.Add(offsetProperty.Name);

var sourceProperty = typeof(ITypeOffsets).GetProperty(offsetProperty.Name);

int value = (int)sourceProperty.GetValue(offsets, null);

offsetProperty.SetValue(obj: null, value: value, index: null);

}

ValidateUnusedTypeOffsetProperties(offsetProperties);

ValidateRequiredOffsetsPresent(offsetProperties);

}

static readonly BindingFlags FieldFlags = BindingFlags.NonPublic | BindingFlags.Static;

internal static Dictionary<string, int> GetOffsets()

{

var properties = typeof(TypeOffset).GetProperties(FieldFlags);

return properties.ToDictionary(

keySelector: p => p.Name,

elementSelector: p => (int)p.GetValue(obj: null, index: null));

}

internal static int GetOffsetUncached(string name)

{

var property = typeof(TypeOffset).GetProperty(name, FieldFlags);

return (int)property.GetValue(obj: null, index: null);

}

static readonly HashSet<string> slotNames = new HashSet<string>();

internal static bool IsSupportedSlotName(string name) => slotNames.Contains(name);

[Conditional("DEBUG")]

static void ValidateUnusedTypeOffsetProperties(PropertyInfo[] offsetProperties)

{

var extras = new List<string>();

foreach (var property in typeof(ITypeOffsets).GetProperties(FieldFlags))

{

if (!offsetProperties.Any(prop => prop.Name == property.Name))

extras.Add(property.Name);

}

extras.Sort();

Debug.Assert(extras.Count == 0, message: string.Join(", ", extras));

}

[Conditional("DEBUG")]

static void ValidateRequiredOffsetsPresent(PropertyInfo[] offsetProperties)

{

var present = new HashSet<string>(offsetProperties.Select(p => p.Name));

var missing = new HashSet<string>();

var thisAssembly = Assembly.GetExecutingAssembly();

var managedTypes = thisAssembly.GetTypes()

.Where(typeof(ManagedType).IsAssignableFrom)

.ToList();

foreach (var managedType in managedTypes)

{

var slots = managedType.GetMethods(BindingFlags.Public | BindingFlags.Static);

foreach(var slot in slots)

if (!present.Contains(slot.Name))

missing.Add(slot.Name);

}

foreach (string notSlot in new[]

{

"__instancecheck__",

"__subclasscheck__",

"_AtExit",

"AddReference",

"FinalizeObject",

"FindAssembly",

"get_SuppressDocs",

"get_SuppressOverloads",

"GetClrType",

"getPreload",

"Initialize",

"ListAssemblies",

"Release",

"Reset",

"set_SuppressDocs",

"set_SuppressOverloads",

"setPreload",

})

missing.Remove(notSlot);

Debug.Assert(missing.Count == 0,

"Missing slots: " + string.Join(", ", missing));

}

pythonnet/src/runtime/native/TypeOffset.cs at travis-github · ra2003/pythonnet · GitHub

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