262 строки
8.8 KiB
C#
262 строки
8.8 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Xml.XPath;
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using System.Text;
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using Mono.Linker;
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using Mono.Linker.Steps;
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using Mono.Cecil;
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using Mono.Tuner;
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using Xamarin.Bundler;
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using Xamarin.Linker;
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using Xamarin.Linker.Steps;
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using Xamarin.Tuner;
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namespace MonoTouch.Tuner {
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public class LinkerOptions {
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public IEnumerable<AssemblyDefinition> MainAssemblies { get; set; }
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public string OutputDirectory { get; set; }
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public LinkMode LinkMode { get; set; }
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public AssemblyResolver Resolver { get; set; }
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public IEnumerable<string> SkippedAssemblies { get; set; }
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public I18nAssemblies I18nAssemblies { get; set; }
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public bool LinkSymbols { get; set; }
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public bool LinkAway { get; set; }
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public bool Device { get; set; }
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public IList<string> ExtraDefinitions { get; set; }
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public bool DebugBuild { get; set; }
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public bool DumpDependencies { get; set; }
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internal PInvokeWrapperGenerator MarshalNativeExceptionsState { get; set; }
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internal RuntimeOptions RuntimeOptions { get; set; }
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public List<string> WarnOnTypeRef { get; set; }
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public bool RemoveRejectedTypes { get; set; }
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public MonoTouchLinkContext LinkContext { get; set; }
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public Target Target { get; set; }
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public Application Application { get { return Target.App; } }
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}
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static partial class Linker {
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public static void Process (LinkerOptions options, out MonoTouchLinkContext context, out List<AssemblyDefinition> assemblies)
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{
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var pipeline = CreatePipeline (options);
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foreach (var ad in options.MainAssemblies)
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pipeline.PrependStep (new MobileResolveMainAssemblyStep (ad, options.Application.Embeddinator));
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context = CreateLinkContext (options, pipeline);
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context.Resolver.AddSearchDirectory (options.OutputDirectory);
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if (options.DumpDependencies) {
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var prepareDependenciesDump = context.Annotations.GetType ().GetMethod ("PrepareDependenciesDump", new Type[1] { typeof (string) });
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if (prepareDependenciesDump != null)
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prepareDependenciesDump.Invoke (context.Annotations, new object[1] { string.Format ("{0}{1}linker-dependencies.xml.gz", options.OutputDirectory, Path.DirectorySeparatorChar) });
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}
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Process (pipeline, context);
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assemblies = ListAssemblies (context);
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}
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static MonoTouchLinkContext CreateLinkContext (LinkerOptions options, Pipeline pipeline)
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{
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var context = new MonoTouchLinkContext (pipeline, options.Resolver);
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context.CoreAction = options.LinkMode == LinkMode.None ? AssemblyAction.Copy : AssemblyAction.Link;
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context.LinkSymbols = options.LinkSymbols;
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context.OutputDirectory = options.OutputDirectory;
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context.SetParameter ("debug-build", options.DebugBuild.ToString ());
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context.Target = options.Target;
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context.ExcludedFeatures = new [] { "remoting", "com", "sre" };
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context.SymbolWriterProvider = new CustomSymbolWriterProvider ();
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if (options.Application.Optimizations.StaticConstructorBeforeFieldInit == false)
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context.DisabledOptimizations |= CodeOptimizations.BeforeFieldInit;
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options.LinkContext = context;
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return context;
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}
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static SubStepDispatcher GetSubSteps ()
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{
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SubStepDispatcher sub = new SubStepDispatcher ();
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sub.Add (new MobileApplyPreserveAttribute ());
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sub.Add (new CoreRemoveSecurity ());
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sub.Add (new OptimizeGeneratedCodeSubStep ());
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sub.Add (new RemoveUserResourcesSubStep ());
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sub.Add (new RemoveAttributes ());
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// http://bugzilla.xamarin.com/show_bug.cgi?id=1408
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sub.Add (new RemoveCode ());
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sub.Add (new MarkNSObjects ());
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sub.Add (new PreserveSoapHttpClients ());
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sub.Add (new CoreHttpMessageHandler ());
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sub.Add (new InlinerSubStep ());
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sub.Add (new PreserveSmartEnumConversionsSubStep ());
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return sub;
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}
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static SubStepDispatcher GetPostLinkOptimizations (LinkerOptions options)
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{
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SubStepDispatcher sub = new SubStepDispatcher ();
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if (options.Application.Optimizations.ForceRejectedTypesRemoval == true)
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sub.Add (new RemoveRejectedTypesStep ());
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if (!options.DebugBuild) {
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sub.Add (new MetadataReducerSubStep ());
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if (options.Application.Optimizations.SealAndDevirtualize == true)
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sub.Add (new SealerSubStep ());
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}
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return sub;
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}
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static Pipeline CreatePipeline (LinkerOptions options)
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{
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var pipeline = new Pipeline ();
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pipeline.Append (new LoadReferencesStep ());
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if (options.I18nAssemblies != I18nAssemblies.None)
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pipeline.Append (new LoadI18nAssemblies (options.I18nAssemblies));
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// that must be done early since the XML files can "add" new assemblies [#15878]
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// and some of the assemblies might be (directly or referenced) SDK assemblies
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foreach (string definition in options.ExtraDefinitions)
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pipeline.Append (GetResolveStep (definition));
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if (options.LinkMode != LinkMode.None)
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pipeline.Append (new BlacklistStep ());
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if (options.WarnOnTypeRef.Count > 0)
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pipeline.Append (new PreLinkScanTypeReferenceStep (options.WarnOnTypeRef));
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pipeline.Append (new CustomizeIOSActions (options.LinkMode, options.SkippedAssemblies));
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// We need to store the Field attribute in annotations, since it may end up removed.
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pipeline.Append (new ProcessExportedFields ());
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// We remove incompatible bitcode from all assemblies, not only the linked assemblies.
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RemoveBitcodeIncompatibleCodeStep remove_incompatible_bitcode = null;
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if (options.Application.Optimizations.RemoveUnsupportedILForBitcode == true)
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remove_incompatible_bitcode = new RemoveBitcodeIncompatibleCodeStep (options);
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if (options.LinkMode != LinkMode.None) {
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pipeline.Append (new CoreTypeMapStep ());
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pipeline.Append (new RegistrarRemovalTrackingStep ());
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pipeline.Append (GetSubSteps ());
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pipeline.Append (new PreserveCode (options));
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pipeline.Append (new RemoveResources (options.I18nAssemblies)); // remove collation tables
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pipeline.Append (new MonoTouchMarkStep ());
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// We only want to remove from methods that aren't already linked away, so we need to do this
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// after the mark step. If we remove any incompatible code, we'll mark
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// the NotSupportedException constructor we need, so we need to do this before the sweep step.
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if (remove_incompatible_bitcode != null)
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pipeline.Append (new SubStepDispatcher { remove_incompatible_bitcode });
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pipeline.Append (new MonoTouchSweepStep (options));
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pipeline.Append (new CleanStep ());
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pipeline.AppendStep (GetPostLinkOptimizations (options));
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pipeline.Append (new FixModuleFlags ());
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} else {
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SubStepDispatcher sub = new SubStepDispatcher () {
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new RemoveUserResourcesSubStep (),
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};
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if (options.Application.Optimizations.ForceRejectedTypesRemoval == true)
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sub.Add (new RemoveRejectedTypesStep ());
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if (remove_incompatible_bitcode != null)
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sub.Add (remove_incompatible_bitcode);
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pipeline.Append (sub);
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}
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pipeline.Append (new ListExportedSymbols (options.MarshalNativeExceptionsState));
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pipeline.Append (new OutputStep ());
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// expect that changes can occur until it's all saved back to disk
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if (options.WarnOnTypeRef.Count > 0)
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pipeline.Append (new PostLinkScanTypeReferenceStep (options.WarnOnTypeRef));
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return pipeline;
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}
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static List<AssemblyDefinition> ListAssemblies (MonoTouchLinkContext context)
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{
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var list = new List<AssemblyDefinition> ();
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foreach (var assembly in context.GetAssemblies ()) {
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if (context.Annotations.GetAction (assembly) == AssemblyAction.Delete)
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continue;
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list.Add (assembly);
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}
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return list;
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}
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static ResolveFromXmlStep GetResolveStep (string filename)
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{
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filename = Path.GetFullPath (filename);
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if (!File.Exists (filename))
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throw new ProductException (2004, true, Errors.MX2004, filename);
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try {
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using (StreamReader sr = new StreamReader (filename)) {
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return new ResolveFromXmlStep (new XPathDocument (new StringReader (sr.ReadToEnd ())));
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}
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}
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catch (Exception e) {
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throw new ProductException (2005, true, e, Errors.MX2005, filename);
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}
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}
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}
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public class MonoTouchLinkContext : DerivedLinkContext {
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public MonoTouchLinkContext (Pipeline pipeline, AssemblyResolver resolver)
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: base (pipeline, resolver)
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{
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}
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}
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public class CustomizeIOSActions : CustomizeCoreActions
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{
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LinkMode link_mode;
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public CustomizeIOSActions (LinkMode mode, IEnumerable<string> skipped_assemblies)
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: base (mode == LinkMode.SDKOnly, skipped_assemblies)
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{
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link_mode = mode;
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}
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protected override bool IsLinked (AssemblyDefinition assembly)
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{
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if (link_mode == LinkMode.None)
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return false;
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return base.IsLinked (assembly);
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}
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protected override void ProcessAssembly (AssemblyDefinition assembly)
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{
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if (link_mode == LinkMode.None) {
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Annotations.SetAction (assembly, AssemblyAction.Copy);
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return;
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}
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try {
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base.ProcessAssembly (assembly);
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}
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catch (Exception e) {
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throw new ProductException (2103, true, e, Errors.MX2103, assembly.FullName, e);
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}
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}
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}
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}
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