285 строки
9.1 KiB
C#
285 строки
9.1 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 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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namespace MonoTouch.Tuner {
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public class LinkerOptions {
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public AssemblyDefinition MainAssembly { 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 bool EnsureUIThread { get; set; }
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public IList<string> ExtraDefinitions { get; set; }
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public bool OldRegistrar { get; set; }
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public bool DebugBuild { get; set; }
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public int Arch { get; set; }
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public bool IsDualBuild { get; set; }
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public bool Unified { 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 MonoTouchLinkContext LinkContext { get; set; }
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public static I18nAssemblies ParseI18nAssemblies (string i18n)
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{
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var assemblies = I18nAssemblies.None;
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foreach (var part in i18n.Split (',')) {
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var assembly = part.Trim ();
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if (string.IsNullOrEmpty (assembly))
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continue;
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try {
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assemblies |= (I18nAssemblies) Enum.Parse (typeof (I18nAssemblies), assembly, true);
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} catch {
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throw new FormatException ("Unknown value for i18n: " + assembly);
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}
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}
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return assemblies;
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}
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}
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class Linker {
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public static void Process (LinkerOptions options, out MonoTouchLinkContext context, out List<string> assemblies)
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{
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var pipeline = CreatePipeline (options);
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pipeline.PrependStep (new MobileResolveMainAssemblyStep (options.MainAssembly));
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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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try {
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pipeline.Process (context);
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} catch (FileNotFoundException fnfe) {
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// Cecil throw this if the assembly is not found
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throw new MonoTouchException (2002, true, fnfe, fnfe.Message);
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} catch (AggregateException) {
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throw;
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} catch (MonoTouchException) {
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throw;
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} catch (ResolutionException re) {
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TypeReference tr = (re.Member as TypeReference);
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IMetadataScope scope = tr == null ? re.Member.DeclaringType.Scope : tr.Scope;
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throw new MonoTouchException (2002, true, re, "Failed to resolve \"{0}\" reference from \"{1}\"", re.Member, scope);
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} catch (Exception e) {
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throw new MonoTouchException (2001, true, e, "Could not link assemblies. Reason: {0}", e.Message);
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}
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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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options.LinkContext = context;
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return context;
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}
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static SubStepDispatcher GetSubSteps (LinkerOptions options)
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{
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SubStepDispatcher sub = new SubStepDispatcher ();
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sub.Add (new ApplyPreserveAttribute ());
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sub.Add (new CoreRemoveSecurity ());
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sub.Add (new OptimizeGeneratedCodeSubStep (options));
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// OptimizeGeneratedCodeSubStep needs [GeneratedCode] so it must occurs before RemoveAttributes
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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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if (options.LinkAway)
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sub.Add (new RemoveCode (options));
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sub.Add (new MarkNSObjects ());
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sub.Add (new PreserveSoapHttpClients ());
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// there's only one registrar for unified, i.e. DynamicRegistrar
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if (!options.Unified)
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sub.Add (new RemoveExtraRegistrar (options.OldRegistrar));
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sub.Add (new CoreHttpMessageHandler (options));
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sub.Add (new CoreTlsProviderStep (options));
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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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sub.Add (new MetadataReducerSubStep ());
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sub.Add (new SealerSubStep ());
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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.AppendStep (new LoadReferencesStep ());
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if (options.I18nAssemblies != I18nAssemblies.None)
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pipeline.AppendStep (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.AppendStep (GetResolveStep (definition));
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if (options.LinkMode != LinkMode.None)
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pipeline.AppendStep (new BlacklistStep ());
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pipeline.AppendStep (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.AppendStep (new ProcessExportedFields ());
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if (options.LinkMode != LinkMode.None) {
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pipeline.AppendStep (new MonoTouchTypeMapStep ());
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pipeline.AppendStep (GetSubSteps (options));
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pipeline.AppendStep (new PreserveCode (options));
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// only remove bundled resources on device builds as MonoDevelop requires the resources later
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// (to be extracted). That differs from the device builds (where another unmodified copy is used)
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if (options.Device)
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pipeline.AppendStep (new RemoveMonoTouchResources ());
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pipeline.AppendStep (new RemoveResources (options.I18nAssemblies)); // remove collation tables
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pipeline.AppendStep (new MonoTouchMarkStep ());
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pipeline.AppendStep (new MonoTouchSweepStep ());
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pipeline.AppendStep (new CleanStep ());
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if (!options.DebugBuild)
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pipeline.AppendStep (GetPostLinkOptimizations (options));
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pipeline.AppendStep (new RemoveSelectors ());
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pipeline.AppendStep (new FixModuleFlags ());
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}
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pipeline.AppendStep (new ListExportedSymbols (options.MarshalNativeExceptionsState));
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pipeline.AppendStep (new OutputStep ());
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return pipeline;
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}
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static List<string> ListAssemblies (MonoTouchLinkContext context)
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{
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var list = new List<string> ();
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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 (GetFullyQualifiedName (assembly));
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}
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return list;
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}
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static string GetFullyQualifiedName (AssemblyDefinition assembly)
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{
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return assembly.MainModule.FileName;
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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 MonoTouchException (2004, true, "Extra linker definitions file '{0}' could not be located.", 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 MonoTouchException (2005, true, e, "Definitions from '{0}' could not be parsed.", filename);
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}
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}
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}
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public class MonoTouchLinkContext : LinkContext {
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Dictionary<string, MemberReference> required_symbols;
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List<MethodDefinition> marshal_exception_pinvokes;
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public Dictionary<string, MemberReference> RequiredSymbols {
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get {
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if (required_symbols == null)
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required_symbols = new Dictionary<string, MemberReference> ();
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return required_symbols;
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}
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}
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public List<MethodDefinition> MarshalExceptionPInvokes {
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get {
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if (marshal_exception_pinvokes == null)
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marshal_exception_pinvokes = new List<MethodDefinition> ();
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return marshal_exception_pinvokes;
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}
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}
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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 : CustomizeActions
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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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base.ProcessAssembly (assembly);
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}
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}
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}
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