2 // ikvm.cs: IKVM.Reflection and IKVM.Reflection.Emit specific implementations
4 // Author: Marek Safar (marek.safar@gmail.com)
6 // Dual licensed under the terms of the MIT X11 or GNU GPL
8 // Copyright 2009-2010 Novell, Inc.
9 // Copyright 2011 Xamarin Inc
14 using System.Collections.Generic;
15 using MetaType = IKVM.Reflection.Type;
16 using IKVM.Reflection;
17 using IKVM.Reflection.Emit;
19 using System.Configuration.Assemblies;
24 public class StaticImporter
26 public StaticImporter (BuiltinTypes builtin)
28 throw new NotSupportedException ();
31 public void ImportAssembly (Assembly assembly, RootNamespace targetNamespace)
33 throw new NotSupportedException ();
36 public void ImportModule (Module module, RootNamespace targetNamespace)
38 throw new NotSupportedException ();
41 public TypeSpec ImportType (System.Type type)
43 throw new NotSupportedException ();
49 sealed class StaticImporter : MetadataImporter
51 public StaticImporter (ModuleContainer module)
56 public void AddCompiledAssembly (AssemblyDefinitionStatic assembly)
58 assembly_2_definition.Add (assembly.Builder, assembly);
61 public override void AddCompiledType (TypeBuilder type, TypeSpec spec)
63 compiled_types.Add (type, spec);
66 protected override MemberKind DetermineKindFromBaseType (MetaType baseType)
68 string name = baseType.Name;
70 if (name == "ValueType" && baseType.Namespace == "System")
71 return MemberKind.Struct;
73 if (name == "Enum" && baseType.Namespace == "System")
74 return MemberKind.Enum;
76 if (name == "MulticastDelegate" && baseType.Namespace == "System")
77 return MemberKind.Delegate;
79 return MemberKind.Class;
82 protected override bool HasVolatileModifier (MetaType[] modifiers)
84 foreach (var t in modifiers) {
85 if (t.Name == "IsVolatile" && t.Namespace == CompilerServicesNamespace)
92 public void ImportAssembly (Assembly assembly, RootNamespace targetNamespace)
95 // It can be used more than once when importing same assembly
96 // into 2 or more global aliases
97 // TODO: Should be just Add
98 GetAssemblyDefinition (assembly);
100 var all_types = assembly.GetTypes ();
101 ImportTypes (all_types, targetNamespace, true);
103 all_types = assembly.ManifestModule.__GetExportedTypes ();
104 if (all_types.Length != 0)
105 ImportForwardedTypes (all_types, targetNamespace);
106 } catch (Exception e) {
107 throw new InternalErrorException (e, "Failed to import assembly `{0}'", assembly.FullName);
111 public ImportedModuleDefinition ImportModule (Module module, RootNamespace targetNamespace)
113 var module_definition = new ImportedModuleDefinition (module);
114 module_definition.ReadAttributes ();
116 var all_types = module.GetTypes ();
117 ImportTypes (all_types, targetNamespace, false);
119 return module_definition;
122 void ImportForwardedTypes (MetaType[] types, Namespace targetNamespace)
124 Namespace ns = targetNamespace;
125 string prev_namespace = null;
126 foreach (var t in types) {
127 if (!t.__IsTypeForwarder)
130 // IsMissing tells us the type has been forwarded and target assembly is missing
134 if (t.Name[0] == '<')
137 var it = CreateType (t, null, new DynamicTypeReader (t), true);
141 if (prev_namespace != t.Namespace) {
142 ns = t.Namespace == null ? targetNamespace : targetNamespace.GetNamespace (t.Namespace, true);
143 prev_namespace = t.Namespace;
146 ns.AddType (module, it);
150 public void InitializeBuiltinTypes (BuiltinTypes builtin, Assembly corlib)
153 // Setup mapping for build-in types to avoid duplication of their definition
155 foreach (var type in builtin.AllTypes) {
156 compiled_types.Add (corlib.GetType (type.FullName), type);
162 class AssemblyDefinitionStatic : AssemblyDefinition
164 readonly StaticLoader loader;
167 // Assembly container with file output
169 public AssemblyDefinitionStatic (ModuleContainer module, StaticLoader loader, string name, string fileName)
170 : base (module, name, fileName)
172 this.loader = loader;
173 Importer = loader.MetadataImporter;
177 // Initializes the assembly SRE domain
179 public void Create (Universe domain)
181 ResolveAssemblySecurityAttributes ();
182 var an = CreateAssemblyName ();
184 Builder = domain.DefineDynamicAssembly (an, AssemblyBuilderAccess.Save, Path.GetDirectoryName (file_name));
185 module.Create (this, CreateModuleBuilder ());
188 public override void Emit ()
190 if (loader.Corlib != null && !(loader.Corlib is AssemblyBuilder)) {
191 Builder.__SetImageRuntimeVersion (loader.Corlib.ImageRuntimeVersion, 0x20000);
192 } else if (module.Compiler.Settings.RuntimeMetadataVersion != null) {
193 Builder.__SetImageRuntimeVersion (module.Compiler.Settings.RuntimeMetadataVersion, 0x20000);
195 // Sets output file metadata version when there is no mscorlib
196 switch (module.Compiler.Settings.StdLibRuntimeVersion) {
197 case RuntimeVersion.v4:
198 Builder.__SetImageRuntimeVersion ("v4.0.30319", 0x20000);
200 case RuntimeVersion.v2:
201 Builder.__SetImageRuntimeVersion ("v2.0.50727", 0x20000);
203 case RuntimeVersion.v1:
204 // Compiler does not do any checks whether the produced metadata
205 // are valid in the context of 1.0 stream version
206 Builder.__SetImageRuntimeVersion ("v1.1.4322", 0x10000);
209 throw new NotImplementedException ();
213 builder_extra = new AssemblyBuilderIKVM (Builder, Compiler);
218 public Module IncludeModule (RawModule moduleFile)
220 return Builder.__AddModule (moduleFile);
223 protected override void SaveModule (PortableExecutableKinds pekind, ImageFileMachine machine)
225 module.Builder.__Save (pekind, machine);
229 class StaticLoader : AssemblyReferencesLoader<Assembly>, IDisposable
231 readonly StaticImporter importer;
232 readonly Universe domain;
234 readonly List<Tuple<AssemblyName, string, Assembly>> loaded_names;
235 static readonly Dictionary<string, string[]> sdk_directory;
237 static StaticLoader ()
239 sdk_directory = new Dictionary<string, string[]> ();
240 sdk_directory.Add ("2", new string[] { "2.0", "net_2_0", "v2.0.50727" });
241 sdk_directory.Add ("4", new string[] { "4.0", "net_4_0", "v4.0.30319" });
242 sdk_directory.Add ("4.5", new string[] { "4.5", "net_4_5", "v4.0.30319" });
245 public StaticLoader (StaticImporter importer, CompilerContext compiler)
248 this.importer = importer;
249 domain = new Universe (UniverseOptions.MetadataOnly | UniverseOptions.ResolveMissingMembers |
250 UniverseOptions.DisableFusion | UniverseOptions.DecodeVersionInfoAttributeBlobs |
251 UniverseOptions.DeterministicOutput);
253 domain.AssemblyResolve += AssemblyReferenceResolver;
254 loaded_names = new List<Tuple<AssemblyName, string, Assembly>> ();
256 if (compiler.Settings.StdLib) {
257 var corlib_path = Path.GetDirectoryName (typeof (object).Assembly.Location);
258 string fx_path = corlib_path.Substring (0, corlib_path.LastIndexOf (Path.DirectorySeparatorChar));
260 string sdk_path = null;
262 string sdk_version = compiler.Settings.SdkVersion ?? "4.5";
263 string[] sdk_sub_dirs;
265 if (!sdk_directory.TryGetValue (sdk_version, out sdk_sub_dirs))
266 sdk_sub_dirs = new string[] { sdk_version };
268 foreach (var dir in sdk_sub_dirs) {
269 sdk_path = Path.Combine (fx_path, dir);
270 if (File.Exists (Path.Combine (sdk_path, "mscorlib.dll")))
276 if (sdk_path == null) {
277 compiler.Report.Warning (-1, 1, "SDK path could not be resolved");
278 sdk_path = corlib_path;
281 paths.Add (sdk_path);
287 public Assembly Corlib {
293 public AssemblyDefinitionStatic CompiledAssembly { get; set; }
295 public Universe Domain {
301 public StaticImporter MetadataImporter {
309 Assembly AssemblyReferenceResolver (object sender, IKVM.Reflection.ResolveEventArgs args)
311 var refname = args.Name;
312 if (refname == "mscorlib")
315 Assembly version_mismatch = null;
316 bool is_fx_assembly = false;
318 foreach (var assembly in domain.GetAssemblies ()) {
319 AssemblyComparisonResult result;
320 if (!domain.CompareAssemblyIdentity (refname, false, assembly.FullName, false, out result)) {
321 if ((result == AssemblyComparisonResult.NonEquivalentVersion || result == AssemblyComparisonResult.NonEquivalentPartialVersion) &&
322 (version_mismatch == null || version_mismatch.GetName ().Version < assembly.GetName ().Version) &&
324 version_mismatch = assembly;
330 if (result == AssemblyComparisonResult.EquivalentFullMatch ||
331 result == AssemblyComparisonResult.EquivalentWeakNamed ||
332 result == AssemblyComparisonResult.EquivalentPartialMatch) {
336 if (result == AssemblyComparisonResult.EquivalentFXUnified) {
337 is_fx_assembly = true;
339 if (version_mismatch == null || version_mismatch.GetName ().Version < assembly.GetName ().Version)
340 version_mismatch = assembly;
345 throw new NotImplementedException ("Assembly equality = " + result.ToString ());
348 if (version_mismatch != null) {
349 if (version_mismatch is AssemblyBuilder)
350 return version_mismatch;
352 var v1 = new AssemblyName (refname).Version;
353 var v2 = version_mismatch.GetName ().Version;
356 // compiler.Report.SymbolRelatedToPreviousError (args.RequestingAssembly.Location);
357 compiler.Report.Error (1705, "Assembly `{0}' references `{1}' which has a higher version number than imported assembly `{2}'",
358 args.RequestingAssembly.FullName, refname, version_mismatch.GetName ().FullName);
360 return domain.CreateMissingAssembly (args.Name);
363 if (!is_fx_assembly) {
364 if (v1.Major != v2.Major || v1.Minor != v2.Minor) {
365 compiler.Report.Warning (1701, 2,
366 "Assuming assembly reference `{0}' matches assembly `{1}'. You may need to supply runtime policy",
367 refname, version_mismatch.GetName ().FullName);
369 compiler.Report.Warning (1702, 3,
370 "Assuming assembly reference `{0}' matches assembly `{1}'. You may need to supply runtime policy",
371 refname, version_mismatch.GetName ().FullName);
375 return version_mismatch;
379 // Recursive reference to compiled assembly checks name only. Any other
380 // details (PublicKey, Version, etc) are not yet known hence cannot be checked
382 ParsedAssemblyName referenced_assembly;
383 if (Fusion.ParseAssemblyName (args.Name, out referenced_assembly) == ParseAssemblyResult.OK && CompiledAssembly.Name == referenced_assembly.Name)
384 return CompiledAssembly.Builder;
386 // AssemblyReference has not been found in the domain
387 // create missing reference and continue
388 return domain.CreateMissingAssembly (args.Name);
391 public void Dispose ()
396 protected override string[] GetDefaultReferences ()
399 // For now the "default config" is harcoded into the compiler
400 // we can move this outside later
402 var default_references = new List<string> (4);
404 default_references.Add ("System.dll");
405 default_references.Add ("System.Xml.dll");
406 default_references.Add ("System.Core.dll");
408 if (corlib != null && corlib.GetName ().Version.Major >= 4) {
409 default_references.Add ("Microsoft.CSharp.dll");
412 return default_references.ToArray ();
415 public override bool HasObjectType (Assembly assembly)
417 return assembly.GetType (compiler.BuiltinTypes.Object.FullName) != null;
420 public override Assembly LoadAssemblyFile (string fileName, bool isImplicitReference)
422 bool? has_extension = null;
423 foreach (var path in paths) {
424 var file = Path.Combine (path, fileName);
425 if (compiler.Settings.DebugFlags > 0)
426 Console.WriteLine ("Probing assembly location `{0}'", file);
428 if (!File.Exists (file)) {
429 if (!has_extension.HasValue)
430 has_extension = fileName.EndsWith (".dll", StringComparison.Ordinal) || fileName.EndsWith (".exe", StringComparison.Ordinal);
432 if (has_extension.Value)
436 if (!File.Exists (file))
441 using (var stream = new FileStream (file, FileMode.Open, FileAccess.Read, FileShare.Read)) {
442 using (RawModule module = domain.OpenRawModule (stream, file)) {
443 if (!module.IsManifestModule) {
444 Error_AssemblyIsModule (fileName);
449 // check whether the assembly can be actually imported without
452 var an = module.GetAssemblyName ();
453 foreach (var entry in loaded_names) {
454 var loaded_name = entry.Item1;
455 if (an.Name != loaded_name.Name)
458 if (module.ModuleVersionId == entry.Item3.ManifestModule.ModuleVersionId)
461 if (((an.Flags | loaded_name.Flags) & AssemblyNameFlags.PublicKey) == 0) {
462 compiler.Report.SymbolRelatedToPreviousError (entry.Item2);
463 compiler.Report.SymbolRelatedToPreviousError (fileName);
464 compiler.Report.Error (1704,
465 "An assembly with the same name `{0}' has already been imported. Consider removing one of the references or sign the assembly",
470 if ((an.Flags & AssemblyNameFlags.PublicKey) == (loaded_name.Flags & AssemblyNameFlags.PublicKey)) {
471 compiler.Report.SymbolRelatedToPreviousError (entry.Item2);
472 compiler.Report.SymbolRelatedToPreviousError (fileName);
473 compiler.Report.Error (1703,
474 "An assembly `{0}' with the same identity has already been imported. Consider removing one of the references",
480 if (compiler.Settings.DebugFlags > 0)
481 Console.WriteLine ("Loading assembly `{0}'", fileName);
483 var assembly = domain.LoadAssembly (module);
484 if (assembly != null)
485 loaded_names.Add (Tuple.Create (an, fileName, assembly));
490 } catch (Exception e) {
491 if (compiler.Settings.DebugFlags > 0)
492 Console.WriteLine ("Exception during loading: {0}'", e.ToString ());
494 if (!isImplicitReference)
495 Error_FileCorrupted (file);
501 if (!isImplicitReference)
502 Error_FileNotFound (fileName);
507 public RawModule LoadModuleFile (string moduleName)
509 foreach (var path in paths) {
510 var file = Path.Combine (path, moduleName);
511 if (!File.Exists (file)) {
512 if (moduleName.EndsWith (".netmodule", StringComparison.Ordinal))
515 file += ".netmodule";
516 if (!File.Exists (file))
521 return domain.OpenRawModule (file);
523 Error_FileCorrupted (file);
528 Error_FileNotFound (moduleName);
532 public override void LoadReferences (ModuleContainer module)
534 List<Tuple<RootNamespace, Assembly>> loaded;
535 base.LoadReferencesCore (module, out corlib, out loaded);
537 compiler.TimeReporter.Start (TimeReporter.TimerType.ReferencesImporting);
539 if (corlib == null) {
540 // System.Object was not found in any referenced assembly, use compiled assembly as corlib
541 corlib = module.DeclaringAssembly.Builder;
543 importer.InitializeBuiltinTypes (compiler.BuiltinTypes, corlib);
544 importer.ImportAssembly (corlib, module.GlobalRootNamespace);
547 foreach (var entry in loaded) {
548 importer.ImportAssembly (entry.Item2, entry.Item1);
551 compiler.TimeReporter.Stop (TimeReporter.TimerType.ReferencesImporting);
554 public void LoadModules (AssemblyDefinitionStatic assembly, RootNamespace targetNamespace)
556 foreach (var moduleName in compiler.Settings.Modules) {
557 var m = LoadModuleFile (moduleName);
561 if (m.IsManifestModule) {
562 Error_ModuleIsAssembly (moduleName);
566 var md = importer.ImportModule (assembly.IncludeModule (m), targetNamespace);
567 assembly.AddModule (md);
572 class AssemblyBuilderIKVM : AssemblyBuilderExtension
574 readonly AssemblyBuilder builder;
576 public AssemblyBuilderIKVM (AssemblyBuilder builder, CompilerContext ctx)
579 this.builder = builder;
582 public override void AddTypeForwarder (TypeSpec type, Location loc)
584 builder.__AddTypeForwarder (type.GetMetaInfo ());
587 public override void DefineWin32IconResource (string fileName)
589 builder.__DefineIconResource (File.ReadAllBytes (fileName));
592 public override void SetAlgorithmId (uint value, Location loc)
594 builder.__SetAssemblyAlgorithmId ((AssemblyHashAlgorithm) value);
597 public override void SetCulture (string culture, Location loc)
599 builder.__SetAssemblyCulture (culture);
602 public override void SetFlags (uint flags, Location loc)
604 builder.__AssemblyFlags = (AssemblyNameFlags) flags;
607 public override void SetVersion (Version version, Location loc)
609 builder.__SetAssemblyVersion (version);