95fdb59ea6
Former-commit-id: b39a328747c2f3414dc52e009fb6f0aa80ca2492
697 lines
21 KiB
C#
697 lines
21 KiB
C#
//
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// ikvm.cs: IKVM.Reflection and IKVM.Reflection.Emit specific implementations
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//
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// Author: Marek Safar (marek.safar@gmail.com)
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//
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// Dual licensed under the terms of the MIT X11 or GNU GPL
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//
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// Copyright 2009-2010 Novell, Inc.
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// Copyright 2011 Xamarin Inc
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//
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//
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using System;
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using System.Collections.Generic;
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using MetaType = IKVM.Reflection.Type;
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using IKVM.Reflection;
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using IKVM.Reflection.Emit;
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using System.IO;
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using System.Configuration.Assemblies;
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namespace Mono.CSharp
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{
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#if !STATIC
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public class StaticImporter
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{
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public StaticImporter (BuiltinTypes builtin)
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{
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throw new NotSupportedException ();
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}
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public void ImportAssembly (Assembly assembly, RootNamespace targetNamespace)
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{
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throw new NotSupportedException ();
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}
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public void ImportModule (Module module, RootNamespace targetNamespace)
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{
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throw new NotSupportedException ();
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}
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public TypeSpec ImportType (System.Type type)
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{
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throw new NotSupportedException ();
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}
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}
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#else
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sealed class StaticImporter : MetadataImporter
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{
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public StaticImporter (ModuleContainer module)
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: base (module)
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{
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}
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public void AddCompiledAssembly (AssemblyDefinitionStatic assembly)
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{
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assembly_2_definition.Add (assembly.Builder, assembly);
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}
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public override void AddCompiledType (TypeBuilder type, TypeSpec spec)
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{
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compiled_types.Add (type, spec);
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}
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protected override MemberKind DetermineKindFromBaseType (MetaType baseType)
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{
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string name = baseType.Name;
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if (name == "ValueType" && baseType.Namespace == "System")
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return MemberKind.Struct;
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if (name == "Enum" && baseType.Namespace == "System")
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return MemberKind.Enum;
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if (name == "MulticastDelegate" && baseType.Namespace == "System")
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return MemberKind.Delegate;
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return MemberKind.Class;
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}
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protected override bool HasVolatileModifier (MetaType[] modifiers)
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{
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foreach (var t in modifiers) {
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if (t.Name == "IsVolatile" && t.Namespace == CompilerServicesNamespace)
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return true;
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}
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return false;
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}
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public void ImportAssembly (Assembly assembly, RootNamespace targetNamespace)
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{
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try {
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// It can be used more than once when importing same assembly
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// into 2 or more global aliases
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// TODO: Should be just Add
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GetAssemblyDefinition (assembly);
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var all_types = assembly.GetTypes ();
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ImportTypes (all_types, targetNamespace, true);
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all_types = assembly.ManifestModule.__GetExportedTypes ();
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if (all_types.Length != 0)
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ImportForwardedTypes (all_types, targetNamespace);
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} catch (Exception e) {
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throw new InternalErrorException (e, "Failed to import assembly `{0}'", assembly.FullName);
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}
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}
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public ImportedModuleDefinition ImportModule (Module module, RootNamespace targetNamespace)
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{
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var module_definition = new ImportedModuleDefinition (module);
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module_definition.ReadAttributes ();
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var all_types = module.GetTypes ();
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ImportTypes (all_types, targetNamespace, false);
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return module_definition;
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}
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void ImportForwardedTypes (MetaType[] types, Namespace targetNamespace)
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{
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Namespace ns = targetNamespace;
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string prev_namespace = null;
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foreach (var t in types) {
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if (!t.__IsTypeForwarder)
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continue;
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// IsMissing tells us the type has been forwarded and target assembly is missing
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if (!t.__IsMissing)
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continue;
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if (t.Name[0] == '<')
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continue;
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var it = CreateType (t, null, new AttributesTypeInfoReader (t), true);
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if (it == null)
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continue;
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if (prev_namespace != t.Namespace) {
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ns = t.Namespace == null ? targetNamespace : targetNamespace.GetNamespace (t.Namespace, true);
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prev_namespace = t.Namespace;
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}
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ns.AddType (module, it);
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}
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}
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public void InitializeBuiltinTypes (BuiltinTypes builtin, Assembly corlib)
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{
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//
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// Setup mapping for build-in types to avoid duplication of their definition
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//
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foreach (var type in builtin.AllTypes) {
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compiled_types.Add (corlib.GetType (type.FullName), type);
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}
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}
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}
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#endif
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class AssemblyDefinitionStatic : AssemblyDefinition
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{
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readonly StaticLoader loader;
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//
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// Assembly container with file output
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//
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public AssemblyDefinitionStatic (ModuleContainer module, StaticLoader loader, string name, string fileName)
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: base (module, name, fileName)
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{
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this.loader = loader;
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Importer = loader.MetadataImporter;
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}
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//
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// Initializes the assembly SRE domain
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//
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public void Create (Universe domain)
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{
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ResolveAssemblySecurityAttributes ();
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var an = CreateAssemblyName ();
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Builder = domain.DefineDynamicAssembly (an, AssemblyBuilderAccess.Save, Path.GetDirectoryName (file_name));
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module.Create (this, CreateModuleBuilder ());
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}
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public override void Emit ()
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{
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if (loader.Corlib != null && !(loader.Corlib is AssemblyBuilder)) {
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Builder.__SetImageRuntimeVersion (loader.Corlib.ImageRuntimeVersion, 0x20000);
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} else if (module.Compiler.Settings.RuntimeMetadataVersion != null) {
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Builder.__SetImageRuntimeVersion (module.Compiler.Settings.RuntimeMetadataVersion, 0x20000);
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} else {
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// Sets output file metadata version when there is no mscorlib
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switch (module.Compiler.Settings.StdLibRuntimeVersion) {
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case RuntimeVersion.v4:
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Builder.__SetImageRuntimeVersion ("v4.0.30319", 0x20000);
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break;
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case RuntimeVersion.v2:
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Builder.__SetImageRuntimeVersion ("v2.0.50727", 0x20000);
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break;
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case RuntimeVersion.v1:
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// Compiler does not do any checks whether the produced metadata
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// are valid in the context of 1.0 stream version
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Builder.__SetImageRuntimeVersion ("v1.1.4322", 0x10000);
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break;
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default:
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throw new NotImplementedException ();
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}
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}
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builder_extra = new AssemblyBuilderIKVM (Builder, Compiler);
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base.Emit ();
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}
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public Module IncludeModule (RawModule moduleFile)
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{
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return Builder.__AddModule (moduleFile);
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}
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protected override List<AssemblyReferenceMessageInfo> GetNotUnifiedReferences (AssemblyName assemblyName)
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{
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return loader.GetNotUnifiedReferences (assemblyName);
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}
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protected override void SaveModule (PortableExecutableKinds pekind, ImageFileMachine machine)
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{
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module.Builder.__Save (pekind, machine);
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}
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}
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class StaticLoader : AssemblyReferencesLoader<Assembly>, IDisposable
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{
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readonly StaticImporter importer;
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readonly Universe domain;
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Assembly corlib;
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readonly List<Tuple<AssemblyName, string, Assembly>> loaded_names;
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static readonly Dictionary<string, string[]> sdk_directory;
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Dictionary<AssemblyName, List<AssemblyReferenceMessageInfo>> resolved_version_mismatches;
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static readonly TypeName objectTypeName = new TypeName ("System", "Object");
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static StaticLoader ()
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{
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sdk_directory = new Dictionary<string, string[]> ();
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sdk_directory.Add ("2", new string[] { "2.0-api", "v2.0.50727" });
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sdk_directory.Add ("2.0", new string[] { "2.0-api", "v2.0.50727" });
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sdk_directory.Add ("4", new string[] { "4.0-api", "v4.0.30319" });
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sdk_directory.Add ("4.0", new string[] { "4.0-api", "v4.0.30319" });
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sdk_directory.Add ("4.5", new string[] { "4.5-api", "v4.0.30319" });
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sdk_directory.Add ("4.5.1", new string[] { "4.5.1-api", "v4.0.30319" });
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sdk_directory.Add ("4.5.2", new string[] { "4.5.2-api", "v4.0.30319" });
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sdk_directory.Add ("4.6", new string[] { "4.6-api", "v4.0.30319" });
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sdk_directory.Add ("4.6.1", new string[] { "4.6.1-api", "v4.0.30319" });
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sdk_directory.Add ("4.6.2", new string [] { "4.6.2-api", "v4.0.30319" });
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sdk_directory.Add ("4.7", new string [] { "4.7-api", "v4.0.30319" });
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sdk_directory.Add ("4.7.1", new string [] { "4.7.1-api", "v4.0.30319" });
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sdk_directory.Add ("4.7.2", new string [] { "4.7.2-api", "v4.0.30319" });
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sdk_directory.Add ("4.8", new string [] { "4.8-api", "v4.0.30319" });
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sdk_directory.Add ("4.x", new string [] { "4.5", "net_4_x", "v4.0.30319" });
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}
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public StaticLoader (StaticImporter importer, CompilerContext compiler)
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: base (compiler)
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{
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this.importer = importer;
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domain = new Universe (UniverseOptions.MetadataOnly | UniverseOptions.ResolveMissingMembers |
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UniverseOptions.DisableFusion | UniverseOptions.DecodeVersionInfoAttributeBlobs |
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UniverseOptions.DeterministicOutput | UniverseOptions.DisableDefaultAssembliesLookup);
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domain.AssemblyResolve += AssemblyReferenceResolver;
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loaded_names = new List<Tuple<AssemblyName, string, Assembly>> ();
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if (compiler.Settings.StdLib) {
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var corlib_path = Path.GetDirectoryName (typeof (object).Assembly.Location);
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string fx_path = corlib_path.Substring (0, corlib_path.LastIndexOf (Path.DirectorySeparatorChar));
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string sdk_path = null;
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string sdk_version = compiler.Settings.SdkVersion ?? "4.x";
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string[] sdk_sub_dirs;
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if (!sdk_directory.TryGetValue (sdk_version, out sdk_sub_dirs))
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sdk_sub_dirs = new string[] { sdk_version };
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foreach (var dir in sdk_sub_dirs) {
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sdk_path = Path.Combine (fx_path, dir);
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if (File.Exists (Path.Combine (sdk_path, "mscorlib.dll")))
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break;
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sdk_path = null;
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}
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if (sdk_path == null) {
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compiler.Report.Warning (-1, 1, "SDK path could not be resolved");
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sdk_path = corlib_path;
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}
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paths.Add (sdk_path);
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}
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}
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#region Properties
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public Assembly Corlib {
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get {
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return corlib;
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}
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}
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public AssemblyDefinitionStatic CompiledAssembly { get; set; }
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public Universe Domain {
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get {
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return domain;
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}
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}
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public StaticImporter MetadataImporter {
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get {
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return importer;
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}
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}
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#endregion
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Assembly AssemblyReferenceResolver (object sender, IKVM.Reflection.ResolveEventArgs args)
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{
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var refname = args.Name;
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if (refname == "mscorlib")
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return corlib;
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Assembly version_mismatch = null;
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bool is_fx_assembly = false;
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foreach (var assembly in domain.GetAssemblies ()) {
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AssemblyComparisonResult result;
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if (!domain.CompareAssemblyIdentity (refname, false, assembly.FullName, false, out result)) {
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if ((result == AssemblyComparisonResult.NonEquivalentVersion || result == AssemblyComparisonResult.NonEquivalentPartialVersion) &&
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(version_mismatch == null || version_mismatch.GetName ().Version < assembly.GetName ().Version) &&
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!is_fx_assembly) {
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version_mismatch = assembly;
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}
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continue;
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}
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if (result == AssemblyComparisonResult.EquivalentFullMatch ||
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result == AssemblyComparisonResult.EquivalentWeakNamed ||
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result == AssemblyComparisonResult.EquivalentPartialMatch) {
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return assembly;
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}
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if (result == AssemblyComparisonResult.EquivalentFXUnified) {
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is_fx_assembly = true;
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if (version_mismatch == null || version_mismatch.GetName ().Version < assembly.GetName ().Version)
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version_mismatch = assembly;
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continue;
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}
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throw new NotImplementedException ("Assembly equality = " + result.ToString ());
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}
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if (version_mismatch != null) {
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if (is_fx_assembly || version_mismatch is AssemblyBuilder)
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return version_mismatch;
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var ref_an = new AssemblyName (refname);
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var v1 = ref_an.Version;
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var v2 = version_mismatch.GetName ().Version;
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AssemblyReferenceMessageInfo messageInfo;
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if (v1 > v2) {
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messageInfo = new AssemblyReferenceMessageInfo (ref_an, report => {
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report.SymbolRelatedToPreviousError (args.RequestingAssembly.Location);
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report.Error (1705, string.Format ("Assembly `{0}' depends on `{1}' which has a higher version number than referenced assembly `{2}'",
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args.RequestingAssembly.FullName, refname, version_mismatch.GetName ().FullName));
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});
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} else {
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messageInfo = new AssemblyReferenceMessageInfo (ref_an, report => {
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if (v1.Major != v2.Major || v1.Minor != v2.Minor) {
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report.Warning (1701, 2,
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"Assuming assembly reference `{0}' matches assembly `{1}'. You may need to supply runtime policy",
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refname, version_mismatch.GetName ().FullName);
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} else {
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report.Warning (1702, 3,
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"Assuming assembly reference `{0}' matches assembly `{1}'. You may need to supply runtime policy",
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refname, version_mismatch.GetName ().FullName);
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}
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});
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}
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AddReferenceVersionMismatch (args.RequestingAssembly.GetName (), messageInfo);
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return version_mismatch;
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}
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//
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// Recursive reference to compiled assembly checks name only. Any other
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// details (PublicKey, Version, etc) are not yet known hence cannot be checked
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//
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ParsedAssemblyName referenced_assembly;
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if (Fusion.ParseAssemblyName (args.Name, out referenced_assembly) == ParseAssemblyResult.OK && CompiledAssembly.Name == referenced_assembly.Name)
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return CompiledAssembly.Builder;
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// AssemblyReference has not been found in the domain
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// create missing reference and continue
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return domain.CreateMissingAssembly (args.Name);
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}
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void AddReferenceVersionMismatch (AssemblyName an, AssemblyReferenceMessageInfo errorInfo)
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{
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if (resolved_version_mismatches == null)
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resolved_version_mismatches = new Dictionary<AssemblyName, List<AssemblyReferenceMessageInfo>> ();
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List<AssemblyReferenceMessageInfo> names;
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if (!resolved_version_mismatches.TryGetValue (an, out names)) {
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names = new List<AssemblyReferenceMessageInfo> ();
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resolved_version_mismatches.Add (an, names);
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}
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names.Add (errorInfo);
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}
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public void Dispose ()
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{
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domain.Dispose ();
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}
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protected override string[] GetDefaultReferences ()
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{
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//
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// For now the "default config" is harcoded into the compiler
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// we can move this outside later
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//
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var default_references = new List<string> (4);
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default_references.Add ("System.dll");
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default_references.Add ("System.Xml.dll");
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default_references.Add ("System.Core.dll");
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if (corlib != null && corlib.GetName ().Version.Major >= 4) {
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default_references.Add ("Microsoft.CSharp.dll");
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}
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return default_references.ToArray ();
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}
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public List<AssemblyReferenceMessageInfo> GetNotUnifiedReferences (AssemblyName assemblyName)
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{
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List<AssemblyReferenceMessageInfo> list = null;
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if (resolved_version_mismatches != null)
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resolved_version_mismatches.TryGetValue (assemblyName, out list);
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return list;
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}
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public override Assembly HasObjectType (Assembly assembly)
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{
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try {
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// System.Object can be forwarded and ikvm
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// transparently finds it in target assembly therefore
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// need to return actual obj assembly becauase in such
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// case it's different to assembly parameter
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var obj = assembly.FindType (objectTypeName);
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return obj == null ? null : obj.Assembly;
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} catch (Exception e) {
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throw new InternalErrorException (e, "Failed to load assembly `{0}'", assembly.FullName);
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}
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}
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public override Assembly LoadAssemblyFile (string fileName, bool isImplicitReference)
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{
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bool? has_extension = null;
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foreach (var path in paths) {
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var file = Path.Combine (path, fileName);
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if (compiler.Settings.DebugFlags > 0)
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Console.WriteLine ("Probing assembly location `{0}'", file);
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if (!File.Exists (file)) {
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if (!has_extension.HasValue)
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has_extension = fileName.EndsWith (".dll", StringComparison.Ordinal) || fileName.EndsWith (".exe", StringComparison.Ordinal);
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if (has_extension.Value)
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continue;
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file += ".dll";
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if (!File.Exists (file))
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continue;
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}
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try {
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using (var stream = new FileStream (file, FileMode.Open, FileAccess.Read, FileShare.Read)) {
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using (RawModule module = domain.OpenRawModule (stream, file)) {
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if (!module.IsManifestModule) {
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Error_AssemblyIsModule (fileName);
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return null;
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}
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//
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// check whether the assembly can be actually imported without
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// collision
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//
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var an = module.GetAssemblyName ();
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foreach (var entry in loaded_names) {
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var loaded_name = entry.Item1;
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if (an.Name != loaded_name.Name)
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continue;
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if (module.ModuleVersionId == entry.Item3.ManifestModule.ModuleVersionId)
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return entry.Item3;
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if (((an.Flags | loaded_name.Flags) & AssemblyNameFlags.PublicKey) == 0) {
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compiler.Report.SymbolRelatedToPreviousError (entry.Item2);
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compiler.Report.SymbolRelatedToPreviousError (fileName);
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compiler.Report.Error (1704,
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"An assembly with the same name `{0}' has already been imported. Consider removing one of the references or sign the assembly",
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an.Name);
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return null;
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}
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AssemblyComparisonResult result;
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if ((an.Flags & AssemblyNameFlags.PublicKey) == (loaded_name.Flags & AssemblyNameFlags.PublicKey) &&
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(domain.CompareAssemblyIdentity (an.FullName, false, loaded_name.FullName, false, out result))) {
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|
|
//
|
|
// Roslyn is much more lenient than native compiler here
|
|
//
|
|
switch (result) {
|
|
case AssemblyComparisonResult.EquivalentFXUnified:
|
|
case AssemblyComparisonResult.EquivalentUnified:
|
|
compiler.Report.SymbolRelatedToPreviousError (entry.Item2);
|
|
compiler.Report.SymbolRelatedToPreviousError (fileName);
|
|
compiler.Report.Error (1703,
|
|
"An assembly `{0}' with the same identity has already been imported. Consider removing one of the references",
|
|
an.Name);
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (compiler.Settings.DebugFlags > 0)
|
|
Console.WriteLine ("Loading assembly `{0}'", fileName);
|
|
|
|
var assembly = domain.LoadAssembly (module);
|
|
if (assembly != null)
|
|
loaded_names.Add (Tuple.Create (an, fileName, assembly));
|
|
|
|
return assembly;
|
|
}
|
|
}
|
|
} catch (Exception e) {
|
|
if (compiler.Settings.DebugFlags > 0)
|
|
Console.WriteLine ("Exception during loading: {0}'", e.ToString ());
|
|
|
|
if (!isImplicitReference)
|
|
Error_FileCorrupted (file);
|
|
|
|
return null;
|
|
}
|
|
}
|
|
|
|
if (!isImplicitReference)
|
|
Error_FileNotFound (fileName);
|
|
|
|
return null;
|
|
}
|
|
|
|
public RawModule LoadModuleFile (string moduleName)
|
|
{
|
|
foreach (var path in paths) {
|
|
var file = Path.Combine (path, moduleName);
|
|
if (!File.Exists (file)) {
|
|
if (moduleName.EndsWith (".netmodule", StringComparison.Ordinal))
|
|
continue;
|
|
|
|
file += ".netmodule";
|
|
if (!File.Exists (file))
|
|
continue;
|
|
}
|
|
|
|
try {
|
|
return domain.OpenRawModule (file);
|
|
} catch {
|
|
Error_FileCorrupted (file);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
Error_FileNotFound (moduleName);
|
|
return null;
|
|
}
|
|
|
|
public override void LoadReferences (ModuleContainer module)
|
|
{
|
|
List<Tuple<RootNamespace, Assembly>> loaded;
|
|
base.LoadReferencesCore (module, out corlib, out loaded);
|
|
|
|
compiler.TimeReporter.Start (TimeReporter.TimerType.ReferencesImporting);
|
|
|
|
if (corlib == null || corlib.__IsMissing) {
|
|
// System.Object was not found in any referenced assembly, use compiled assembly as corlib
|
|
corlib = module.DeclaringAssembly.Builder;
|
|
} else {
|
|
importer.InitializeBuiltinTypes (compiler.BuiltinTypes, corlib);
|
|
importer.ImportAssembly (corlib, module.GlobalRootNamespace);
|
|
}
|
|
|
|
foreach (var entry in loaded) {
|
|
importer.ImportAssembly (entry.Item2, entry.Item1);
|
|
}
|
|
|
|
compiler.TimeReporter.Stop (TimeReporter.TimerType.ReferencesImporting);
|
|
}
|
|
|
|
public void LoadModules (AssemblyDefinitionStatic assembly, RootNamespace targetNamespace)
|
|
{
|
|
foreach (var moduleName in compiler.Settings.Modules) {
|
|
var m = LoadModuleFile (moduleName);
|
|
if (m == null)
|
|
continue;
|
|
|
|
if (m.IsManifestModule) {
|
|
Error_ModuleIsAssembly (moduleName);
|
|
continue;
|
|
}
|
|
|
|
var md = importer.ImportModule (assembly.IncludeModule (m), targetNamespace);
|
|
assembly.AddModule (md);
|
|
}
|
|
}
|
|
}
|
|
|
|
class AssemblyBuilderIKVM : AssemblyBuilderExtension
|
|
{
|
|
readonly AssemblyBuilder builder;
|
|
|
|
public AssemblyBuilderIKVM (AssemblyBuilder builder, CompilerContext ctx)
|
|
: base (ctx)
|
|
{
|
|
this.builder = builder;
|
|
}
|
|
|
|
public override void AddTypeForwarder (TypeSpec type, Location loc)
|
|
{
|
|
builder.__AddTypeForwarder (type.GetMetaInfo (), false);
|
|
}
|
|
|
|
public override void DefineWin32IconResource (string fileName)
|
|
{
|
|
byte[] bytes;
|
|
try {
|
|
bytes = File.ReadAllBytes (fileName);
|
|
} catch (Exception e) {
|
|
ctx.Report.Error (7064, Location.Null, "Error opening icon file `{0}'. {1}", fileName, e.Message);
|
|
return;
|
|
}
|
|
|
|
builder.__DefineIconResource (bytes);
|
|
}
|
|
|
|
public override AssemblyName[] GetReferencedAssemblies ()
|
|
{
|
|
foreach (var m in builder.Modules) {
|
|
if (m is ModuleBuilder)
|
|
return m.__GetReferencedAssemblies ();
|
|
}
|
|
|
|
return new AssemblyName [0];
|
|
}
|
|
|
|
public override void SetAlgorithmId (uint value, Location loc)
|
|
{
|
|
builder.__SetAssemblyAlgorithmId ((AssemblyHashAlgorithm) value);
|
|
}
|
|
|
|
public override void SetCulture (string culture, Location loc)
|
|
{
|
|
builder.__SetAssemblyCulture (culture);
|
|
}
|
|
|
|
public override void SetFlags (uint flags, Location loc)
|
|
{
|
|
builder.__AssemblyFlags = (AssemblyNameFlags) flags;
|
|
}
|
|
|
|
public override void SetVersion (Version version, Location loc)
|
|
{
|
|
builder.__SetAssemblyVersion (version);
|
|
}
|
|
}
|
|
}
|