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Add FieldRva MetadataUsage type and fix current heuristic

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This commit is contained in:
LukeFZ
2023-11-30 05:15:01 +01:00
parent ab841ccb2b
commit a4528e5f55
4 changed files with 96 additions and 137 deletions
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15
Il2CppInspector.Common/Reflection/TypeModel.cs
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@@ -344,18 +344,21 @@ namespace Il2CppInspector.Reflection
type = GetMetadataUsageType(usage);
method = GetMetadataUsageMethod(usage);
return $"{type.Name}.{method.Name}";
case MetadataUsageType.FieldRva:
fieldRef = Package.FieldRefs[usage.SourceIndex];
type = GetMetadataUsageType(usage);
field = type.DeclaredFields.First(f => f.Index == type.Definition.fieldStart + fieldRef.fieldIndex);
return $"{type.Name}.{field.Name}_Default"; // TODO: Find out if this is really needed for anything
}
throw new NotImplementedException("Unknown metadata usage type: " + usage.Type);
}
// Get the type used in a metadata usage
public TypeInfo GetMetadataUsageType(MetadataUsage usage) => usage.Type switch {
MetadataUsageType.Type => TypesByReferenceIndex[usage.SourceIndex],
MetadataUsageType.TypeInfo => TypesByReferenceIndex[usage.SourceIndex],
MetadataUsageType.MethodDef => GetMetadataUsageMethod(usage).DeclaringType,
MetadataUsageType.FieldInfo => TypesByReferenceIndex[Package.FieldRefs[usage.SourceIndex].typeIndex],
MetadataUsageType.MethodRef => GetMetadataUsageMethod(usage).DeclaringType,
MetadataUsageType.Type or MetadataUsageType.TypeInfo => TypesByReferenceIndex[usage.SourceIndex],
MetadataUsageType.MethodDef or MetadataUsageType.MethodRef => GetMetadataUsageMethod(usage).DeclaringType,
MetadataUsageType.FieldInfo or MetadataUsageType.FieldRva => TypesByReferenceIndex[Package.FieldRefs[usage.SourceIndex].typeIndex],
_ => throw new InvalidOperationException("Incorrect metadata usage type to retrieve referenced type")
};