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 | UniverseOptions.DisableFusion);
250 domain.AssemblyResolve += AssemblyReferenceResolver;
251 loaded_names = new List<Tuple<AssemblyName, string, Assembly>> ();
253 if (compiler.Settings.StdLib) {
254 var corlib_path = Path.GetDirectoryName (typeof (object).Assembly.Location);
255 string fx_path = corlib_path.Substring (0, corlib_path.LastIndexOf (Path.DirectorySeparatorChar));
257 string sdk_path = null;
259 string sdk_version = compiler.Settings.SdkVersion ?? "4.5";
260 string[] sdk_sub_dirs;
262 if (!sdk_directory.TryGetValue (sdk_version, out sdk_sub_dirs))
263 sdk_sub_dirs = new string[] { sdk_version };
265 foreach (var dir in sdk_sub_dirs) {
266 sdk_path = Path.Combine (fx_path, dir);
267 if (File.Exists (Path.Combine (sdk_path, "mscorlib.dll")))
273 if (sdk_path == null) {
274 compiler.Report.Warning (-1, 1, "SDK path could not be resolved");
275 sdk_path = corlib_path;
278 paths.Add (sdk_path);
284 public Assembly Corlib {
290 public AssemblyDefinitionStatic CompiledAssembly { get; set; }
292 public Universe Domain {
298 public StaticImporter MetadataImporter {
306 Assembly AssemblyReferenceResolver (object sender, IKVM.Reflection.ResolveEventArgs args)
308 var refname = args.Name;
309 if (refname == "mscorlib")
312 Assembly version_mismatch = null;
313 bool is_fx_assembly = false;
315 foreach (var assembly in domain.GetAssemblies ()) {
316 AssemblyComparisonResult result;
317 if (!domain.CompareAssemblyIdentity (refname, false, assembly.FullName, false, out result)) {
318 if ((result == AssemblyComparisonResult.NonEquivalentVersion || result == AssemblyComparisonResult.NonEquivalentPartialVersion) &&
319 (version_mismatch == null || version_mismatch.GetName ().Version < assembly.GetName ().Version) &&
321 version_mismatch = assembly;
327 if (result == AssemblyComparisonResult.EquivalentFullMatch ||
328 result == AssemblyComparisonResult.EquivalentWeakNamed ||
329 result == AssemblyComparisonResult.EquivalentPartialMatch) {
333 if (result == AssemblyComparisonResult.EquivalentFXUnified) {
334 is_fx_assembly = true;
336 if (version_mismatch == null || version_mismatch.GetName ().Version < assembly.GetName ().Version)
337 version_mismatch = assembly;
342 throw new NotImplementedException ("Assembly equality = " + result.ToString ());
345 if (version_mismatch != null) {
346 if (version_mismatch is AssemblyBuilder)
347 return version_mismatch;
349 var v1 = new AssemblyName (refname).Version;
350 var v2 = version_mismatch.GetName ().Version;
353 // compiler.Report.SymbolRelatedToPreviousError (args.RequestingAssembly.Location);
354 compiler.Report.Error (1705, "Assembly `{0}' references `{1}' which has a higher version number than imported assembly `{2}'",
355 args.RequestingAssembly.FullName, refname, version_mismatch.GetName ().FullName);
357 return domain.CreateMissingAssembly (args.Name);
360 if (!is_fx_assembly) {
361 if (v1.Major != v2.Major || v1.Minor != v2.Minor) {
362 compiler.Report.Warning (1701, 2,
363 "Assuming assembly reference `{0}' matches assembly `{1}'. You may need to supply runtime policy",
364 refname, version_mismatch.GetName ().FullName);
366 compiler.Report.Warning (1702, 3,
367 "Assuming assembly reference `{0}' matches assembly `{1}'. You may need to supply runtime policy",
368 refname, version_mismatch.GetName ().FullName);
372 return version_mismatch;
376 // Recursive reference to compiled assembly checks name only. Any other
377 // details (PublicKey, Version, etc) are not yet known hence cannot be checked
379 ParsedAssemblyName referenced_assembly;
380 if (Fusion.ParseAssemblyName (args.Name, out referenced_assembly) == ParseAssemblyResult.OK && CompiledAssembly.Name == referenced_assembly.Name)
381 return CompiledAssembly.Builder;
383 // AssemblyReference has not been found in the domain
384 // create missing reference and continue
385 return domain.CreateMissingAssembly (args.Name);
388 public void Dispose ()
393 protected override string[] GetDefaultReferences ()
396 // For now the "default config" is harcoded into the compiler
397 // we can move this outside later
399 var default_references = new List<string> (4);
401 default_references.Add ("System.dll");
402 default_references.Add ("System.Xml.dll");
403 default_references.Add ("System.Core.dll");
405 if (corlib != null && corlib.GetName ().Version.Major >= 4) {
406 default_references.Add ("Microsoft.CSharp.dll");
409 return default_references.ToArray ();
412 public override bool HasObjectType (Assembly assembly)
414 return assembly.GetType (compiler.BuiltinTypes.Object.FullName) != null;
417 public override Assembly LoadAssemblyFile (string fileName, bool isImplicitReference)
419 bool? has_extension = null;
420 foreach (var path in paths) {
421 var file = Path.Combine (path, fileName);
422 if (compiler.Settings.DebugFlags > 0)
423 Console.WriteLine ("Probing assembly location `{0}'", file);
425 if (!File.Exists (file)) {
426 if (!has_extension.HasValue)
427 has_extension = fileName.EndsWith (".dll", StringComparison.Ordinal) || fileName.EndsWith (".exe", StringComparison.Ordinal);
429 if (has_extension.Value)
433 if (!File.Exists (file))
438 using (var stream = new FileStream (file, FileMode.Open, FileAccess.Read, FileShare.Read)) {
439 using (RawModule module = domain.OpenRawModule (stream, file)) {
440 if (!module.IsManifestModule) {
441 Error_AssemblyIsModule (fileName);
446 // check whether the assembly can be actually imported without
449 var an = module.GetAssemblyName ();
450 foreach (var entry in loaded_names) {
451 var loaded_name = entry.Item1;
452 if (an.Name != loaded_name.Name)
455 if (module.ModuleVersionId == entry.Item3.ManifestModule.ModuleVersionId)
458 if (((an.Flags | loaded_name.Flags) & AssemblyNameFlags.PublicKey) == 0) {
459 compiler.Report.SymbolRelatedToPreviousError (entry.Item2);
460 compiler.Report.SymbolRelatedToPreviousError (fileName);
461 compiler.Report.Error (1704,
462 "An assembly with the same name `{0}' has already been imported. Consider removing one of the references or sign the assembly",
467 if ((an.Flags & AssemblyNameFlags.PublicKey) == (loaded_name.Flags & AssemblyNameFlags.PublicKey)) {
468 compiler.Report.SymbolRelatedToPreviousError (entry.Item2);
469 compiler.Report.SymbolRelatedToPreviousError (fileName);
470 compiler.Report.Error (1703,
471 "An assembly `{0}' with the same identity has already been imported. Consider removing one of the references",
477 if (compiler.Settings.DebugFlags > 0)
478 Console.WriteLine ("Loading assembly `{0}'", fileName);
480 var assembly = domain.LoadAssembly (module);
481 if (assembly != null)
482 loaded_names.Add (Tuple.Create (an, fileName, assembly));
487 } catch (Exception e) {
488 if (compiler.Settings.DebugFlags > 0)
489 Console.WriteLine ("Exception during loading: {0}'", e.ToString ());
491 if (!isImplicitReference)
492 Error_FileCorrupted (file);
498 if (!isImplicitReference)
499 Error_FileNotFound (fileName);
504 public RawModule LoadModuleFile (string moduleName)
506 foreach (var path in paths) {
507 var file = Path.Combine (path, moduleName);
508 if (!File.Exists (file)) {
509 if (moduleName.EndsWith (".netmodule", StringComparison.Ordinal))
512 file += ".netmodule";
513 if (!File.Exists (file))
518 return domain.OpenRawModule (file);
520 Error_FileCorrupted (file);
525 Error_FileNotFound (moduleName);
529 public override void LoadReferences (ModuleContainer module)
531 List<Tuple<RootNamespace, Assembly>> loaded;
532 base.LoadReferencesCore (module, out corlib, out loaded);
534 compiler.TimeReporter.Start (TimeReporter.TimerType.ReferencesImporting);
536 if (corlib == null) {
537 // System.Object was not found in any referenced assembly, use compiled assembly as corlib
538 corlib = module.DeclaringAssembly.Builder;
540 importer.InitializeBuiltinTypes (compiler.BuiltinTypes, corlib);
541 importer.ImportAssembly (corlib, module.GlobalRootNamespace);
544 foreach (var entry in loaded) {
545 importer.ImportAssembly (entry.Item2, entry.Item1);
548 compiler.TimeReporter.Stop (TimeReporter.TimerType.ReferencesImporting);
551 public void LoadModules (AssemblyDefinitionStatic assembly, RootNamespace targetNamespace)
553 foreach (var moduleName in compiler.Settings.Modules) {
554 var m = LoadModuleFile (moduleName);
558 if (m.IsManifestModule) {
559 Error_ModuleIsAssembly (moduleName);
563 var md = importer.ImportModule (assembly.IncludeModule (m), targetNamespace);
564 assembly.AddModule (md);
569 class AssemblyBuilderIKVM : AssemblyBuilderExtension
571 readonly AssemblyBuilder builder;
573 public AssemblyBuilderIKVM (AssemblyBuilder builder, CompilerContext ctx)
576 this.builder = builder;
579 public override void AddTypeForwarder (TypeSpec type, Location loc)
581 builder.__AddTypeForwarder (type.GetMetaInfo ());
584 public override void DefineWin32IconResource (string fileName)
586 builder.__DefineIconResource (File.ReadAllBytes (fileName));
589 public override void SetAlgorithmId (uint value, Location loc)
591 builder.__SetAssemblyAlgorithmId ((AssemblyHashAlgorithm) value);
594 public override void SetCulture (string culture, Location loc)
596 builder.__SetAssemblyCulture (culture);
599 public override void SetFlags (uint flags, Location loc)
601 builder.__AssemblyFlags = (AssemblyNameFlags) flags;
604 public override void SetVersion (Version version, Location loc)
606 builder.__SetAssemblyVersion (version);