74 строки
2.2 KiB
C#
74 строки
2.2 KiB
C#
using System;
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using System.Collections.Generic;
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using Mono.Cecil;
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using Xamarin.Tuner;
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namespace Xamarin.Linker {
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// this can be used (directly) with Xamarin.Mac and as the base of Xamarin.iOS step
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public class CoreRemoveAttributes : MobileRemoveAttributes {
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protected DerivedLinkContext LinkContext {
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get {
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return (DerivedLinkContext) base.context;
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}
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}
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protected override bool IsRemovedAttribute (CustomAttribute attribute)
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{
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// note: this also avoid calling FullName (which allocates a string)
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var attr_type = attribute.Constructor.DeclaringType;
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switch (attr_type.Name) {
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case "AdviceAttribute":
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case "FieldAttribute":
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case "PreserveAttribute": // the ApplyPreserveAttribute substep is executed before this
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case "LinkerSafeAttribute":
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return attr_type.Namespace == Namespaces.Foundation;
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// used for documentation, not at runtime
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case "AvailabilityAttribute":
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case "AvailabilityBaseAttribute":
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case "DeprecatedAttribute":
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case "IntroducedAttribute":
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case "iOSAttribute":
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case "MacAttribute":
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case "LionAttribute":
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case "MountainLionAttribute":
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case "MavericksAttribute":
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case "NotImplementedAttribute":
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case "ObsoletedAttribute":
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case "SinceAttribute":
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case "ThreadSafeAttribute":
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case "UnavailableAttribute":
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case "LinkWithAttribute":
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case "DesignatedInitializerAttribute":
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case "RequiresSuperAttribute":
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case "BindingImplAttribute":
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return attr_type.Namespace == Namespaces.ObjCRuntime;
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default:
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return base.IsRemovedAttribute (attribute);
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}
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}
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protected override void WillRemoveAttribute (ICustomAttributeProvider provider, CustomAttribute attribute)
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{
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var attr_type = attribute.Constructor.DeclaringType;
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if (attr_type.Namespace == Namespaces.ObjCRuntime) {
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switch (attr_type.Name) {
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case "AvailabilityAttribute":
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case "AvailabilityBaseAttribute":
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case "DeprecatedAttribute":
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case "IntroducedAttribute":
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LinkContext.StoreCustomAttribute (provider, attribute, "Availability");
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break;
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case "BindingImplAttribute":
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LinkContext.StoreCustomAttribute (provider, attribute);
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break;
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}
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}
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base.WillRemoveAttribute (provider, attribute);
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}
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}
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}
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