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Model: Fix crash on invalid attribute index

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This commit is contained in:
Katy Coe
2019-11-04 00:02:14 +01:00
parent a82b3a7d73
commit f75e3614eb
1 changed files with 6 additions and 1 deletions
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7
Il2CppInspector/Reflection/CustomAttributeData.cs
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@@ -5,6 +5,7 @@
*/
using System.Collections.Generic;
using System.Linq;
namespace Il2CppInspector.Reflection
{
@@ -20,6 +21,9 @@ namespace Il2CppInspector.Reflection
// Get all the custom attributes for a given assembly, type, member or parameter
private static IEnumerable<CustomAttributeData> getCustomAttributes(Assembly asm, int customAttributeIndex) {
if (customAttributeIndex < 0)
yield break;
var pkg = asm.Model.Package;
// Attribute type ranges weren't included before v21 (customASttributeGenerators was though)
@@ -34,8 +38,9 @@ namespace Il2CppInspector.Reflection
}
private static IList<CustomAttributeData> getCustomAttributes(Assembly asm, uint token, int customAttributeIndex)
=> (IList<CustomAttributeData>) getCustomAttributes(asm, asm.Model.GetCustomAttributeIndex(asm, token, customAttributeIndex));
=> getCustomAttributes(asm, asm.Model.GetCustomAttributeIndex(asm, token, customAttributeIndex)).ToList();
// TODO: Get token or customAttributeIndex from Il2CppAssembly(Definition)
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);