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Model: Initial framework for custom attributes

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This commit is contained in:
Katy Coe
2019-11-03 22:25:38 +01:00
parent 7f398f40cb
commit 7351e339f0
12 changed files with 73 additions and 28 deletions
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36
Il2CppInspector/Reflection/CustomAttributeData.cs
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@@ -4,12 +4,44 @@
All rights reserved.
*/
using System.Collections.Generic;
namespace Il2CppInspector.Reflection
{
// See: https://docs.microsoft.com/en-us/dotnet/api/system.reflection.customattributedata?view=netframework-4.8
public class CustomAttributeData
{
// TODO: CustomAttributeData
// The type of the attribute
public TypeInfo AttributeType { get; set; }
// TODO Constructor, ConstructorArguments, NamedArguments
public override string ToString() => "[" + AttributeType.FullName + "]";
// Get all the custom attributes for a given assembly, type, member or parameter
private static IEnumerable<CustomAttributeData> getCustomAttributes(Assembly asm, int customAttributeIndex) {
var pkg = asm.Model.Package;
// Attribute type ranges weren't included before v21 (customASttributeGenerators was though)
if (pkg.Version < 21)
yield break;
var range = pkg.AttributeTypeRanges[customAttributeIndex];
for (var i = range.start; i < range.start + range.count; i++) {
var typeIndex = pkg.AttributeTypeIndices[i];
yield return new CustomAttributeData { AttributeType = asm.Model.GetTypeFromUsage(typeIndex) };
}
}
private static IList<CustomAttributeData> getCustomAttributes(Assembly asm, uint token, int customAttributeIndex)
=> (IList<CustomAttributeData>) getCustomAttributes(asm, asm.Model.GetCustomAttributeIndex(asm, token, customAttributeIndex));
public static IList<CustomAttributeData> GetCustomAttributes(Assembly asm) => getCustomAttributes(asm, asm.Definition.token, -1);
public static IList<CustomAttributeData> GetCustomAttributes(EventInfo evt) => getCustomAttributes(evt.Assembly, evt.Definition.token, evt.Definition.customAttributeIndex);
public static IList<CustomAttributeData> GetCustomAttributes(FieldInfo field) => getCustomAttributes(field.Assembly, field.Definition.token, field.Definition.customAttributeIndex);
public static IList<CustomAttributeData> GetCustomAttributes(MethodBase method) => getCustomAttributes(method.Assembly, method.Definition.token, method.Definition.customAttributeIndex);
public static IList<CustomAttributeData> GetCustomAttributes(ParameterInfo param) => getCustomAttributes(param.Member.Assembly, param.Definition.token, param.Definition.customAttributeIndex);
public static IList<CustomAttributeData> GetCustomAttributes(PropertyInfo prop) => getCustomAttributes(prop.Assembly, prop.Definition.token, prop.Definition.customAttributeIndex);
public static IList<CustomAttributeData> GetCustomAttributes(TypeInfo type) => getCustomAttributes(type.Assembly, type.Definition.token, type.Definition.customAttributeIndex);
}
}