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.
13 using System.Collections.Generic;
14 using MetaType = IKVM.Reflection.Type;
15 using IKVM.Reflection;
16 using IKVM.Reflection.Emit;
18 using System.Configuration.Assemblies;
23 public class StaticImporter
25 public StaticImporter (BuildinTypes buildin)
27 throw new NotSupportedException ();
30 public void ImportAssembly (Assembly assembly, RootNamespace targetNamespace)
32 throw new NotSupportedException ();
35 public void ImportModule (Module module, RootNamespace targetNamespace)
37 throw new NotSupportedException ();
40 public TypeSpec ImportType (System.Type type)
42 throw new NotSupportedException ();
48 sealed class StaticImporter : MetadataImporter
50 public StaticImporter (ModuleContainer module)
55 public void AddCompiledAssembly (AssemblyDefinitionStatic assembly)
57 assembly_2_definition.Add (assembly.Builder, assembly);
60 public override void AddCompiledType (TypeBuilder type, TypeSpec spec)
62 compiled_types.Add (type, spec);
65 protected override MemberKind DetermineKindFromBaseType (MetaType baseType)
67 string name = baseType.Name;
69 if (name == "ValueType" && baseType.Namespace == "System")
70 return MemberKind.Struct;
72 if (name == "Enum" && baseType.Namespace == "System")
73 return MemberKind.Enum;
75 if (name == "MulticastDelegate" && baseType.Namespace == "System")
76 return MemberKind.Delegate;
78 return MemberKind.Class;
81 protected override bool HasVolatileModifier (MetaType[] modifiers)
83 foreach (var t in modifiers) {
84 if (t.Name == "IsVolatile" && t.Namespace == CompilerServicesNamespace)
91 public override void GetCustomAttributeTypeName (CustomAttributeData cad, out string typeNamespace, out string typeName)
93 cad.__TryReadTypeName (out typeNamespace, out typeName);
96 public void ImportAssembly (Assembly assembly, RootNamespace targetNamespace)
98 // It can be used more than once when importing same assembly
99 // into 2 or more global aliases
100 var definition = GetAssemblyDefinition (assembly);
102 var all_types = assembly.GetTypes ();
103 ImportTypes (all_types, targetNamespace, definition.HasExtensionMethod);
106 public ImportedModuleDefinition ImportModule (Module module, RootNamespace targetNamespace)
108 var module_definition = new ImportedModuleDefinition (module, this);
109 module_definition.ReadAttributes ();
111 var all_types = module.GetTypes ();
112 ImportTypes (all_types, targetNamespace, false);
114 return module_definition;
117 public void InitializeBuildinTypes (BuildinTypes buildin, Assembly corlib)
120 // Setup mapping for build-in types to avoid duplication of their definition
122 foreach (var type in buildin.AllTypes) {
123 compiled_types.Add (corlib.GetType (type.FullName), type);
129 class AssemblyDefinitionStatic : AssemblyDefinition
131 readonly StaticLoader loader;
134 // Assembly container with file output
136 public AssemblyDefinitionStatic (ModuleContainer module, StaticLoader loader, string name, string fileName)
137 : base (module, name, fileName)
139 this.loader = loader;
140 Importer = loader.MetadataImporter;
144 // Initializes the assembly SRE domain
146 public void Create (Universe domain)
148 ResolveAssemblySecurityAttributes ();
149 var an = CreateAssemblyName ();
151 Builder = domain.DefineDynamicAssembly (an, AssemblyBuilderAccess.Save, Path.GetDirectoryName (file_name));
152 module.Create (this, CreateModuleBuilder ());
155 public override void Emit ()
157 if (loader.Corlib != null && !(loader.Corlib is AssemblyBuilder)) {
158 Builder.__SetImageRuntimeVersion (loader.Corlib.ImageRuntimeVersion, 0x20000);
160 // Sets output file metadata version when there is no mscorlib
161 switch (module.Compiler.Settings.StdLibRuntimeVersion) {
162 case RuntimeVersion.v4:
163 Builder.__SetImageRuntimeVersion ("v4.0.30319", 0x20000);
165 case RuntimeVersion.v2:
166 Builder.__SetImageRuntimeVersion ("v2.0.50727", 0x20000);
168 case RuntimeVersion.v1:
169 // Compiler does not do any checks whether the produced metadata
170 // are valid in the context of 1.0 stream version
171 Builder.__SetImageRuntimeVersion ("v1.1.4322", 0x10000);
174 throw new NotImplementedException ();
178 builder_extra = new AssemblyBuilderIKVM (Builder, Compiler);
183 public Module IncludeModule (RawModule moduleFile)
185 return Builder.__AddModule (moduleFile);
188 protected override void SaveModule (PortableExecutableKinds pekind, ImageFileMachine machine)
190 module.Builder.__Save (pekind, machine);
194 class StaticLoader : AssemblyReferencesLoader<Assembly>, IDisposable
196 readonly StaticImporter importer;
197 readonly Universe domain;
199 List<Tuple<AssemblyName, string, Assembly>> loaded_names;
200 static readonly Dictionary<string, string[]> sdk_directory;
202 static StaticLoader ()
204 sdk_directory = new Dictionary<string, string[]> ();
205 sdk_directory.Add ("2", new string[] { "2.0", "net_2_0", "v2.0.50727" });
206 sdk_directory.Add ("4", new string[] { "4.0", "net_4_0", "v4.0.30319" });
209 public StaticLoader (StaticImporter importer, CompilerContext compiler)
212 this.importer = importer;
213 domain = new Universe ();
214 domain.EnableMissingMemberResolution ();
215 domain.AssemblyResolve += AssemblyReferenceResolver;
216 loaded_names = new List<Tuple<AssemblyName, string, Assembly>> ();
218 var corlib_path = Path.GetDirectoryName (typeof (object).Assembly.Location);
219 string fx_path = corlib_path.Substring (0, corlib_path.LastIndexOf (Path.DirectorySeparatorChar));
220 string sdk_path = null;
222 string sdk_version = compiler.Settings.SdkVersion ?? "4";
223 string[] sdk_sub_dirs;
225 if (!sdk_directory.TryGetValue (sdk_version, out sdk_sub_dirs))
226 sdk_sub_dirs = new string[] { sdk_version };
228 foreach (var dir in sdk_sub_dirs) {
229 sdk_path = Path.Combine (fx_path, dir);
230 if (File.Exists (Path.Combine (sdk_path, "mscorlib.dll")))
236 if (sdk_path == null) {
237 compiler.Report.Warning (-1, 1, "SDK path could not be resolved");
238 sdk_path = corlib_path;
241 paths.Add (sdk_path);
246 public Assembly Corlib {
255 public Universe Domain {
261 public StaticImporter MetadataImporter {
269 Assembly AssemblyReferenceResolver (object sender, IKVM.Reflection.ResolveEventArgs args)
271 var refname = args.Name;
272 if (refname == "mscorlib")
275 Assembly version_mismatch = null;
276 bool is_fx_assembly = false;
278 foreach (var assembly in domain.GetAssemblies ()) {
279 AssemblyComparisonResult result;
280 if (!Fusion.CompareAssemblyIdentityPure (refname, false, assembly.FullName, false, out result)) {
281 if ((result == AssemblyComparisonResult.NonEquivalentVersion || result == AssemblyComparisonResult.NonEquivalentPartialVersion) &&
282 (version_mismatch == null || version_mismatch.GetName ().Version < assembly.GetName ().Version) &&
284 version_mismatch = assembly;
290 if (result == AssemblyComparisonResult.EquivalentFullMatch ||
291 result == AssemblyComparisonResult.EquivalentWeakNamed ||
292 result == AssemblyComparisonResult.EquivalentPartialMatch) {
296 if (result == AssemblyComparisonResult.EquivalentFXUnified) {
297 is_fx_assembly = true;
299 if (version_mismatch == null || version_mismatch.GetName ().Version < assembly.GetName ().Version)
300 version_mismatch = assembly;
305 throw new NotImplementedException ("Assembly equality = " + result.ToString ());
308 if (version_mismatch != null) {
309 if (version_mismatch is AssemblyBuilder)
310 return version_mismatch;
312 var v1 = new AssemblyName (refname).Version;
313 var v2 = version_mismatch.GetName ().Version;
316 // compiler.Report.SymbolRelatedToPreviousError (args.RequestingAssembly.Location);
317 compiler.Report.Error (1705, "Assembly `{0}' references `{1}' which has a higher version number than imported assembly `{2}'",
318 args.RequestingAssembly.FullName, refname, version_mismatch.GetName ().FullName);
320 return domain.CreateMissingAssembly (args.Name);
323 if (!is_fx_assembly) {
324 if (v1.Major != v2.Major || v1.Minor != v2.Minor) {
325 compiler.Report.Warning (1701, 2,
326 "Assuming assembly reference `{0}' matches assembly `{1}'. You may need to supply runtime policy",
327 refname, version_mismatch.GetName ().FullName);
329 compiler.Report.Warning (1702, 3,
330 "Assuming assembly reference `{0}' matches assembly `{1}'. You may need to supply runtime policy",
331 refname, version_mismatch.GetName ().FullName);
335 return version_mismatch;
338 // AssemblyReference has not been found in the domain
339 // create missing reference and continue
340 return domain.CreateMissingAssembly (args.Name);
343 public void Dispose ()
348 protected override string[] GetDefaultReferences ()
351 // For now the "default config" is harcoded into the compiler
352 // we can move this outside later
354 var default_references = new List<string> (4);
356 default_references.Add ("System.dll");
357 default_references.Add ("System.Xml.dll");
358 default_references.Add ("System.Core.dll");
360 if (corlib != null && corlib.GetName ().Version.Major >= 4) {
361 default_references.Add ("Microsoft.CSharp.dll");
364 return default_references.ToArray ();
367 public override bool HasObjectType (Assembly assembly)
369 return assembly.GetType (compiler.BuildinTypes.Object.FullName) != null;
372 public override Assembly LoadAssemblyFile (string fileName)
374 bool? has_extension = null;
375 foreach (var path in paths) {
376 var file = Path.Combine (path, fileName);
377 if (Report.DebugFlags > 0)
378 Console.WriteLine ("Probing assembly location `{0}'", file);
380 if (!File.Exists (file)) {
381 if (!has_extension.HasValue)
382 has_extension = fileName.EndsWith (".dll", StringComparison.Ordinal) || fileName.EndsWith (".exe", StringComparison.Ordinal);
384 if (has_extension.Value)
388 if (!File.Exists (file))
393 using (RawModule module = domain.OpenRawModule (file)) {
394 if (!module.IsManifestModule) {
395 Error_AssemblyIsModule (fileName);
400 // check whether the assembly can be actually imported without
403 var an = module.GetAssemblyName ();
404 foreach (var entry in loaded_names) {
405 var loaded_name = entry.Item1;
406 if (an.Name != loaded_name.Name)
409 if (an.CodeBase == loaded_name.CodeBase)
412 if (((an.Flags | loaded_name.Flags) & AssemblyNameFlags.PublicKey) == 0) {
413 compiler.Report.SymbolRelatedToPreviousError (entry.Item2);
414 compiler.Report.SymbolRelatedToPreviousError (fileName);
415 compiler.Report.Error (1704,
416 "An assembly with the same name `{0}' has already been imported. Consider removing one of the references or sign the assembly",
421 if ((an.Flags & AssemblyNameFlags.PublicKey) == (loaded_name.Flags & AssemblyNameFlags.PublicKey) && an.Version.Equals (loaded_name.Version)) {
422 compiler.Report.SymbolRelatedToPreviousError (entry.Item2);
423 compiler.Report.SymbolRelatedToPreviousError (fileName);
424 compiler.Report.Error (1703,
425 "An assembly with the same identity `{0}' has already been imported. Consider removing one of the references",
431 if (Report.DebugFlags > 0)
432 Console.WriteLine ("Loading assembly `{0}'", fileName);
434 var assembly = domain.LoadAssembly (module);
435 if (assembly != null)
436 loaded_names.Add (Tuple.Create (an, fileName, assembly));
441 Error_FileCorrupted (file);
446 Error_FileNotFound (fileName);
450 public RawModule LoadModuleFile (string moduleName)
452 foreach (var path in paths) {
453 var file = Path.Combine (path, moduleName);
454 if (!File.Exists (file)) {
455 if (moduleName.EndsWith (".netmodule", StringComparison.Ordinal))
458 file += ".netmodule";
459 if (!File.Exists (file))
464 return domain.OpenRawModule (file);
466 Error_FileCorrupted (file);
471 Error_FileNotFound (moduleName);
476 // Optimized default assembly loader version
478 public override Assembly LoadAssemblyDefault (string assembly)
480 foreach (var path in paths) {
481 var file = Path.Combine (path, assembly);
483 if (Report.DebugFlags > 0)
484 Console.WriteLine ("Probing default assembly location `{0}'", file);
486 if (!File.Exists (file))
490 if (Report.DebugFlags > 0)
491 Console.WriteLine ("Loading default assembly `{0}'", file);
493 var a = domain.LoadFile (file);
495 loaded_names.Add (Tuple.Create (a.GetName (), file, a));
500 // Default assemblies can fail to load without error
508 public override void LoadReferences (ModuleContainer module)
510 List<Tuple<RootNamespace, Assembly>> loaded;
511 base.LoadReferencesCore (module, out corlib, out loaded);
513 compiler.TimeReporter.Start (TimeReporter.TimerType.ReferencesImporting);
515 if (corlib == null) {
516 // System.Object was not found in any referenced assembly, use compiled assembly as corlib
517 corlib = module.DeclaringAssembly.Builder;
519 importer.InitializeBuildinTypes (compiler.BuildinTypes, corlib);
520 importer.ImportAssembly (corlib, module.GlobalRootNamespace);
523 foreach (var entry in loaded) {
524 importer.ImportAssembly (entry.Item2, entry.Item1);
527 compiler.TimeReporter.Stop (TimeReporter.TimerType.ReferencesImporting);
530 public void LoadModules (AssemblyDefinitionStatic assembly, RootNamespace targetNamespace)
532 foreach (var moduleName in compiler.Settings.Modules) {
533 var m = LoadModuleFile (moduleName);
537 if (m.IsManifestModule) {
538 Error_FileCorrupted (moduleName);
542 var md = importer.ImportModule (assembly.IncludeModule (m), targetNamespace);
543 assembly.AddModule (md);
548 class AssemblyBuilderIKVM : AssemblyBuilderExtension
550 readonly AssemblyBuilder builder;
552 public AssemblyBuilderIKVM (AssemblyBuilder builder, CompilerContext ctx)
555 this.builder = builder;
558 public override void AddTypeForwarder (TypeSpec type, Location loc)
560 builder.__AddTypeForwarder (type.GetMetaInfo ());
563 public override void DefineWin32IconResource (string fileName)
565 builder.__DefineIconResource (File.ReadAllBytes (fileName));
568 public override void SetAlgorithmId (uint value, Location loc)
570 builder.__SetAssemblyAlgorithmId ((AssemblyHashAlgorithm) value);
573 public override void SetCulture (string culture, Location loc)
575 builder.__SetAssemblyCulture (culture);
578 public override void SetFlags (uint flags, Location loc)
580 builder.__SetAssemblyFlags ((AssemblyNameFlags) flags);
583 public override void SetVersion (Version version, Location loc)
585 builder.__SetAssemblyVersion (version);