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);
193 // Sets output file metadata version when there is no mscorlib
194 switch (module.Compiler.Settings.StdLibRuntimeVersion) {
195 case RuntimeVersion.v4:
196 Builder.__SetImageRuntimeVersion ("v4.0.30319", 0x20000);
198 case RuntimeVersion.v2:
199 Builder.__SetImageRuntimeVersion ("v2.0.50727", 0x20000);
201 case RuntimeVersion.v1:
202 // Compiler does not do any checks whether the produced metadata
203 // are valid in the context of 1.0 stream version
204 Builder.__SetImageRuntimeVersion ("v1.1.4322", 0x10000);
207 throw new NotImplementedException ();
211 builder_extra = new AssemblyBuilderIKVM (Builder, Compiler);
216 public Module IncludeModule (RawModule moduleFile)
218 return Builder.__AddModule (moduleFile);
221 protected override void SaveModule (PortableExecutableKinds pekind, ImageFileMachine machine)
223 module.Builder.__Save (pekind, machine);
227 class StaticLoader : AssemblyReferencesLoader<Assembly>, IDisposable
229 readonly StaticImporter importer;
230 readonly Universe domain;
232 readonly List<Tuple<AssemblyName, string, Assembly>> loaded_names;
233 static readonly Dictionary<string, string[]> sdk_directory;
235 static StaticLoader ()
237 sdk_directory = new Dictionary<string, string[]> ();
238 sdk_directory.Add ("2", new string[] { "2.0", "net_2_0", "v2.0.50727" });
239 sdk_directory.Add ("4", new string[] { "4.0", "net_4_0", "v4.0.30319" });
240 sdk_directory.Add ("4.5", new string[] { "4.5", "net_4_5", "v4.0.30319" });
243 public StaticLoader (StaticImporter importer, CompilerContext compiler)
246 this.importer = importer;
247 domain = new Universe (UniverseOptions.MetadataOnly | UniverseOptions.ResolveMissingMembers | UniverseOptions.DisableFusion);
248 domain.AssemblyResolve += AssemblyReferenceResolver;
249 loaded_names = new List<Tuple<AssemblyName, string, Assembly>> ();
251 if (compiler.Settings.StdLib) {
252 var corlib_path = Path.GetDirectoryName (typeof (object).Assembly.Location);
253 string fx_path = corlib_path.Substring (0, corlib_path.LastIndexOf (Path.DirectorySeparatorChar));
255 string sdk_path = null;
257 string sdk_version = compiler.Settings.SdkVersion ?? "4.5";
258 string[] sdk_sub_dirs;
260 if (!sdk_directory.TryGetValue (sdk_version, out sdk_sub_dirs))
261 sdk_sub_dirs = new string[] { sdk_version };
263 foreach (var dir in sdk_sub_dirs) {
264 sdk_path = Path.Combine (fx_path, dir);
265 if (File.Exists (Path.Combine (sdk_path, "mscorlib.dll")))
271 if (sdk_path == null) {
272 compiler.Report.Warning (-1, 1, "SDK path could not be resolved");
273 sdk_path = corlib_path;
276 paths.Add (sdk_path);
282 public Assembly Corlib {
288 public Universe Domain {
294 public StaticImporter MetadataImporter {
302 Assembly AssemblyReferenceResolver (object sender, IKVM.Reflection.ResolveEventArgs args)
304 var refname = args.Name;
305 if (refname == "mscorlib")
308 Assembly version_mismatch = null;
309 bool is_fx_assembly = false;
311 foreach (var assembly in domain.GetAssemblies ()) {
312 AssemblyComparisonResult result;
313 if (!domain.CompareAssemblyIdentity (refname, false, assembly.FullName, false, out result)) {
314 if ((result == AssemblyComparisonResult.NonEquivalentVersion || result == AssemblyComparisonResult.NonEquivalentPartialVersion) &&
315 (version_mismatch == null || version_mismatch.GetName ().Version < assembly.GetName ().Version) &&
317 version_mismatch = assembly;
323 if (result == AssemblyComparisonResult.EquivalentFullMatch ||
324 result == AssemblyComparisonResult.EquivalentWeakNamed ||
325 result == AssemblyComparisonResult.EquivalentPartialMatch) {
329 if (result == AssemblyComparisonResult.EquivalentFXUnified) {
330 is_fx_assembly = true;
332 if (version_mismatch == null || version_mismatch.GetName ().Version < assembly.GetName ().Version)
333 version_mismatch = assembly;
338 throw new NotImplementedException ("Assembly equality = " + result.ToString ());
341 if (version_mismatch != null) {
342 if (version_mismatch is AssemblyBuilder)
343 return version_mismatch;
345 var v1 = new AssemblyName (refname).Version;
346 var v2 = version_mismatch.GetName ().Version;
349 // compiler.Report.SymbolRelatedToPreviousError (args.RequestingAssembly.Location);
350 compiler.Report.Error (1705, "Assembly `{0}' references `{1}' which has a higher version number than imported assembly `{2}'",
351 args.RequestingAssembly.FullName, refname, version_mismatch.GetName ().FullName);
353 return domain.CreateMissingAssembly (args.Name);
356 if (!is_fx_assembly) {
357 if (v1.Major != v2.Major || v1.Minor != v2.Minor) {
358 compiler.Report.Warning (1701, 2,
359 "Assuming assembly reference `{0}' matches assembly `{1}'. You may need to supply runtime policy",
360 refname, version_mismatch.GetName ().FullName);
362 compiler.Report.Warning (1702, 3,
363 "Assuming assembly reference `{0}' matches assembly `{1}'. You may need to supply runtime policy",
364 refname, version_mismatch.GetName ().FullName);
368 return version_mismatch;
371 // AssemblyReference has not been found in the domain
372 // create missing reference and continue
373 return domain.CreateMissingAssembly (args.Name);
376 public void Dispose ()
381 protected override string[] GetDefaultReferences ()
384 // For now the "default config" is harcoded into the compiler
385 // we can move this outside later
387 var default_references = new List<string> (4);
389 default_references.Add ("System.dll");
390 default_references.Add ("System.Xml.dll");
391 default_references.Add ("System.Core.dll");
393 if (corlib != null && corlib.GetName ().Version.Major >= 4) {
394 default_references.Add ("Microsoft.CSharp.dll");
397 return default_references.ToArray ();
400 public override bool HasObjectType (Assembly assembly)
402 return assembly.GetType (compiler.BuiltinTypes.Object.FullName) != null;
405 public override Assembly LoadAssemblyFile (string fileName, bool isImplicitReference)
407 bool? has_extension = null;
408 foreach (var path in paths) {
409 var file = Path.Combine (path, fileName);
410 if (compiler.Settings.DebugFlags > 0)
411 Console.WriteLine ("Probing assembly location `{0}'", file);
413 if (!File.Exists (file)) {
414 if (!has_extension.HasValue)
415 has_extension = fileName.EndsWith (".dll", StringComparison.Ordinal) || fileName.EndsWith (".exe", StringComparison.Ordinal);
417 if (has_extension.Value)
421 if (!File.Exists (file))
426 using (var stream = new FileStream (file, FileMode.Open, FileAccess.Read, FileShare.Read)) {
427 using (RawModule module = domain.OpenRawModule (stream, file)) {
428 if (!module.IsManifestModule) {
429 Error_AssemblyIsModule (fileName);
434 // check whether the assembly can be actually imported without
437 var an = module.GetAssemblyName ();
438 foreach (var entry in loaded_names) {
439 var loaded_name = entry.Item1;
440 if (an.Name != loaded_name.Name)
443 if (module.ModuleVersionId == entry.Item3.ManifestModule.ModuleVersionId)
446 if (((an.Flags | loaded_name.Flags) & AssemblyNameFlags.PublicKey) == 0) {
447 compiler.Report.SymbolRelatedToPreviousError (entry.Item2);
448 compiler.Report.SymbolRelatedToPreviousError (fileName);
449 compiler.Report.Error (1704,
450 "An assembly with the same name `{0}' has already been imported. Consider removing one of the references or sign the assembly",
455 if ((an.Flags & AssemblyNameFlags.PublicKey) == (loaded_name.Flags & AssemblyNameFlags.PublicKey) && an.Version.Equals (loaded_name.Version)) {
456 compiler.Report.SymbolRelatedToPreviousError (entry.Item2);
457 compiler.Report.SymbolRelatedToPreviousError (fileName);
458 compiler.Report.Error (1703,
459 "An assembly with the same identity `{0}' has already been imported. Consider removing one of the references",
465 if (compiler.Settings.DebugFlags > 0)
466 Console.WriteLine ("Loading assembly `{0}'", fileName);
468 var assembly = domain.LoadAssembly (module);
469 if (assembly != null)
470 loaded_names.Add (Tuple.Create (an, fileName, assembly));
475 } catch (Exception e) {
476 if (compiler.Settings.DebugFlags > 0)
477 Console.WriteLine ("Exception during loading: {0}'", e.ToString ());
479 if (!isImplicitReference)
480 Error_FileCorrupted (file);
486 if (!isImplicitReference)
487 Error_FileNotFound (fileName);
492 public RawModule LoadModuleFile (string moduleName)
494 foreach (var path in paths) {
495 var file = Path.Combine (path, moduleName);
496 if (!File.Exists (file)) {
497 if (moduleName.EndsWith (".netmodule", StringComparison.Ordinal))
500 file += ".netmodule";
501 if (!File.Exists (file))
506 return domain.OpenRawModule (file);
508 Error_FileCorrupted (file);
513 Error_FileNotFound (moduleName);
517 public override void LoadReferences (ModuleContainer module)
519 List<Tuple<RootNamespace, Assembly>> loaded;
520 base.LoadReferencesCore (module, out corlib, out loaded);
522 compiler.TimeReporter.Start (TimeReporter.TimerType.ReferencesImporting);
524 if (corlib == null) {
525 // System.Object was not found in any referenced assembly, use compiled assembly as corlib
526 corlib = module.DeclaringAssembly.Builder;
528 importer.InitializeBuiltinTypes (compiler.BuiltinTypes, corlib);
529 importer.ImportAssembly (corlib, module.GlobalRootNamespace);
532 foreach (var entry in loaded) {
533 importer.ImportAssembly (entry.Item2, entry.Item1);
536 compiler.TimeReporter.Stop (TimeReporter.TimerType.ReferencesImporting);
539 public void LoadModules (AssemblyDefinitionStatic assembly, RootNamespace targetNamespace)
541 foreach (var moduleName in compiler.Settings.Modules) {
542 var m = LoadModuleFile (moduleName);
546 if (m.IsManifestModule) {
547 Error_ModuleIsAssembly (moduleName);
551 var md = importer.ImportModule (assembly.IncludeModule (m), targetNamespace);
552 assembly.AddModule (md);
557 class AssemblyBuilderIKVM : AssemblyBuilderExtension
559 readonly AssemblyBuilder builder;
561 public AssemblyBuilderIKVM (AssemblyBuilder builder, CompilerContext ctx)
564 this.builder = builder;
567 public override void AddTypeForwarder (TypeSpec type, Location loc)
569 builder.__AddTypeForwarder (type.GetMetaInfo ());
572 public override void DefineWin32IconResource (string fileName)
574 builder.__DefineIconResource (File.ReadAllBytes (fileName));
577 public override void SetAlgorithmId (uint value, Location loc)
579 builder.__SetAssemblyAlgorithmId ((AssemblyHashAlgorithm) value);
582 public override void SetCulture (string culture, Location loc)
584 builder.__SetAssemblyCulture (culture);
587 public override void SetFlags (uint flags, Location loc)
589 builder.__AssemblyFlags = (AssemblyNameFlags) flags;
592 public override void SetVersion (Version version, Location loc)
594 builder.__SetAssemblyVersion (version);