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)
94 // It can be used more than once when importing same assembly
95 // into 2 or more global aliases
96 var definition = GetAssemblyDefinition (assembly);
98 var all_types = assembly.GetTypes ();
99 ImportTypes (all_types, targetNamespace, definition.HasExtensionMethod);
102 public ImportedModuleDefinition ImportModule (Module module, RootNamespace targetNamespace)
104 var module_definition = new ImportedModuleDefinition (module);
105 module_definition.ReadAttributes ();
107 var all_types = module.GetTypes ();
108 ImportTypes (all_types, targetNamespace, false);
110 return module_definition;
113 public void InitializeBuiltinTypes (BuiltinTypes builtin, Assembly corlib)
116 // Setup mapping for build-in types to avoid duplication of their definition
118 foreach (var type in builtin.AllTypes) {
119 compiled_types.Add (corlib.GetType (type.FullName), type);
125 class AssemblyDefinitionStatic : AssemblyDefinition
127 readonly StaticLoader loader;
130 // Assembly container with file output
132 public AssemblyDefinitionStatic (ModuleContainer module, StaticLoader loader, string name, string fileName)
133 : base (module, name, fileName)
135 this.loader = loader;
136 Importer = loader.MetadataImporter;
140 // Initializes the assembly SRE domain
142 public void Create (Universe domain)
144 ResolveAssemblySecurityAttributes ();
145 var an = CreateAssemblyName ();
147 Builder = domain.DefineDynamicAssembly (an, AssemblyBuilderAccess.Save, Path.GetDirectoryName (file_name));
148 module.Create (this, CreateModuleBuilder ());
151 public override void Emit ()
153 if (loader.Corlib != null && !(loader.Corlib is AssemblyBuilder)) {
154 Builder.__SetImageRuntimeVersion (loader.Corlib.ImageRuntimeVersion, 0x20000);
156 // Sets output file metadata version when there is no mscorlib
157 switch (module.Compiler.Settings.StdLibRuntimeVersion) {
158 case RuntimeVersion.v4:
159 Builder.__SetImageRuntimeVersion ("v4.0.30319", 0x20000);
161 case RuntimeVersion.v2:
162 Builder.__SetImageRuntimeVersion ("v2.0.50727", 0x20000);
164 case RuntimeVersion.v1:
165 // Compiler does not do any checks whether the produced metadata
166 // are valid in the context of 1.0 stream version
167 Builder.__SetImageRuntimeVersion ("v1.1.4322", 0x10000);
170 throw new NotImplementedException ();
174 builder_extra = new AssemblyBuilderIKVM (Builder, Compiler);
179 public Module IncludeModule (RawModule moduleFile)
181 return Builder.__AddModule (moduleFile);
184 protected override void SaveModule (PortableExecutableKinds pekind, ImageFileMachine machine)
186 module.Builder.__Save (pekind, machine);
190 class StaticLoader : AssemblyReferencesLoader<Assembly>, IDisposable
192 readonly StaticImporter importer;
193 readonly Universe domain;
195 List<Tuple<AssemblyName, string, Assembly>> loaded_names;
196 static readonly Dictionary<string, string[]> sdk_directory;
198 static StaticLoader ()
200 sdk_directory = new Dictionary<string, string[]> ();
201 sdk_directory.Add ("2", new string[] { "2.0", "net_2_0", "v2.0.50727" });
202 sdk_directory.Add ("4", new string[] { "4.0", "net_4_0", "v4.0.30319" });
203 sdk_directory.Add ("4.5", new string[] { "4.5", "net_4_5", "v4.0.30319" });
206 public StaticLoader (StaticImporter importer, CompilerContext compiler)
209 this.importer = importer;
210 domain = new Universe ();
211 domain.EnableMissingMemberResolution ();
212 domain.AssemblyResolve += AssemblyReferenceResolver;
213 loaded_names = new List<Tuple<AssemblyName, string, Assembly>> ();
215 var corlib_path = Path.GetDirectoryName (typeof (object).Assembly.Location);
216 string fx_path = corlib_path.Substring (0, corlib_path.LastIndexOf (Path.DirectorySeparatorChar));
218 if (compiler.Settings.StdLib) {
219 string sdk_path = null;
221 string sdk_version = compiler.Settings.SdkVersion ?? "4.5";
222 string[] sdk_sub_dirs;
224 if (!sdk_directory.TryGetValue (sdk_version, out sdk_sub_dirs))
225 sdk_sub_dirs = new string[] { sdk_version };
227 foreach (var dir in sdk_sub_dirs) {
228 sdk_path = Path.Combine (fx_path, dir);
229 if (File.Exists (Path.Combine (sdk_path, "mscorlib.dll")))
235 if (sdk_path == null) {
236 compiler.Report.Warning (-1, 1, "SDK path could not be resolved");
237 sdk_path = corlib_path;
240 paths.Add (sdk_path);
246 public Assembly Corlib {
252 public Universe Domain {
258 public StaticImporter MetadataImporter {
266 Assembly AssemblyReferenceResolver (object sender, IKVM.Reflection.ResolveEventArgs args)
268 var refname = args.Name;
269 if (refname == "mscorlib")
272 Assembly version_mismatch = null;
273 bool is_fx_assembly = false;
275 foreach (var assembly in domain.GetAssemblies ()) {
276 AssemblyComparisonResult result;
277 if (!Fusion.CompareAssemblyIdentityPure (refname, false, assembly.FullName, false, out result)) {
278 if ((result == AssemblyComparisonResult.NonEquivalentVersion || result == AssemblyComparisonResult.NonEquivalentPartialVersion) &&
279 (version_mismatch == null || version_mismatch.GetName ().Version < assembly.GetName ().Version) &&
281 version_mismatch = assembly;
287 if (result == AssemblyComparisonResult.EquivalentFullMatch ||
288 result == AssemblyComparisonResult.EquivalentWeakNamed ||
289 result == AssemblyComparisonResult.EquivalentPartialMatch) {
293 if (result == AssemblyComparisonResult.EquivalentFXUnified) {
294 is_fx_assembly = true;
296 if (version_mismatch == null || version_mismatch.GetName ().Version < assembly.GetName ().Version)
297 version_mismatch = assembly;
302 throw new NotImplementedException ("Assembly equality = " + result.ToString ());
305 if (version_mismatch != null) {
306 if (version_mismatch is AssemblyBuilder)
307 return version_mismatch;
309 var v1 = new AssemblyName (refname).Version;
310 var v2 = version_mismatch.GetName ().Version;
313 // compiler.Report.SymbolRelatedToPreviousError (args.RequestingAssembly.Location);
314 compiler.Report.Error (1705, "Assembly `{0}' references `{1}' which has a higher version number than imported assembly `{2}'",
315 args.RequestingAssembly.FullName, refname, version_mismatch.GetName ().FullName);
317 return domain.CreateMissingAssembly (args.Name);
320 if (!is_fx_assembly) {
321 if (v1.Major != v2.Major || v1.Minor != v2.Minor) {
322 compiler.Report.Warning (1701, 2,
323 "Assuming assembly reference `{0}' matches assembly `{1}'. You may need to supply runtime policy",
324 refname, version_mismatch.GetName ().FullName);
326 compiler.Report.Warning (1702, 3,
327 "Assuming assembly reference `{0}' matches assembly `{1}'. You may need to supply runtime policy",
328 refname, version_mismatch.GetName ().FullName);
332 return version_mismatch;
335 // AssemblyReference has not been found in the domain
336 // create missing reference and continue
337 return domain.CreateMissingAssembly (args.Name);
340 public void Dispose ()
345 protected override string[] GetDefaultReferences ()
348 // For now the "default config" is harcoded into the compiler
349 // we can move this outside later
351 var default_references = new List<string> (4);
353 default_references.Add ("System.dll");
354 default_references.Add ("System.Xml.dll");
355 default_references.Add ("System.Core.dll");
357 if (corlib != null && corlib.GetName ().Version.Major >= 4) {
358 default_references.Add ("Microsoft.CSharp.dll");
361 return default_references.ToArray ();
364 public override bool HasObjectType (Assembly assembly)
366 return assembly.GetType (compiler.BuiltinTypes.Object.FullName) != null;
369 public override Assembly LoadAssemblyFile (string fileName, bool isImplicitReference)
371 bool? has_extension = null;
372 foreach (var path in paths) {
373 var file = Path.Combine (path, fileName);
374 if (compiler.Settings.DebugFlags > 0)
375 Console.WriteLine ("Probing assembly location `{0}'", file);
377 if (!File.Exists (file)) {
378 if (!has_extension.HasValue)
379 has_extension = fileName.EndsWith (".dll", StringComparison.Ordinal) || fileName.EndsWith (".exe", StringComparison.Ordinal);
381 if (has_extension.Value)
385 if (!File.Exists (file))
390 using (RawModule module = domain.OpenRawModule (file)) {
391 if (!module.IsManifestModule) {
392 Error_AssemblyIsModule (fileName);
397 // check whether the assembly can be actually imported without
400 var an = module.GetAssemblyName ();
401 foreach (var entry in loaded_names) {
402 var loaded_name = entry.Item1;
403 if (an.Name != loaded_name.Name)
406 if (module.ModuleVersionId == entry.Item3.ManifestModule.ModuleVersionId)
409 if (((an.Flags | loaded_name.Flags) & AssemblyNameFlags.PublicKey) == 0) {
410 compiler.Report.SymbolRelatedToPreviousError (entry.Item2);
411 compiler.Report.SymbolRelatedToPreviousError (fileName);
412 compiler.Report.Error (1704,
413 "An assembly with the same name `{0}' has already been imported. Consider removing one of the references or sign the assembly",
418 if ((an.Flags & AssemblyNameFlags.PublicKey) == (loaded_name.Flags & AssemblyNameFlags.PublicKey) && an.Version.Equals (loaded_name.Version)) {
419 compiler.Report.SymbolRelatedToPreviousError (entry.Item2);
420 compiler.Report.SymbolRelatedToPreviousError (fileName);
421 compiler.Report.Error (1703,
422 "An assembly with the same identity `{0}' has already been imported. Consider removing one of the references",
428 if (compiler.Settings.DebugFlags > 0)
429 Console.WriteLine ("Loading assembly `{0}'", fileName);
431 var assembly = domain.LoadAssembly (module);
432 if (assembly != null)
433 loaded_names.Add (Tuple.Create (an, fileName, assembly));
438 if (!isImplicitReference)
439 Error_FileCorrupted (file);
445 if (!isImplicitReference)
446 Error_FileNotFound (fileName);
451 public RawModule LoadModuleFile (string moduleName)
453 foreach (var path in paths) {
454 var file = Path.Combine (path, moduleName);
455 if (!File.Exists (file)) {
456 if (moduleName.EndsWith (".netmodule", StringComparison.Ordinal))
459 file += ".netmodule";
460 if (!File.Exists (file))
465 return domain.OpenRawModule (file);
467 Error_FileCorrupted (file);
472 Error_FileNotFound (moduleName);
476 public override void LoadReferences (ModuleContainer module)
478 List<Tuple<RootNamespace, Assembly>> loaded;
479 base.LoadReferencesCore (module, out corlib, out loaded);
481 compiler.TimeReporter.Start (TimeReporter.TimerType.ReferencesImporting);
483 if (corlib == null) {
484 // System.Object was not found in any referenced assembly, use compiled assembly as corlib
485 corlib = module.DeclaringAssembly.Builder;
487 importer.InitializeBuiltinTypes (compiler.BuiltinTypes, corlib);
488 importer.ImportAssembly (corlib, module.GlobalRootNamespace);
491 foreach (var entry in loaded) {
492 importer.ImportAssembly (entry.Item2, entry.Item1);
495 compiler.TimeReporter.Stop (TimeReporter.TimerType.ReferencesImporting);
498 public void LoadModules (AssemblyDefinitionStatic assembly, RootNamespace targetNamespace)
500 foreach (var moduleName in compiler.Settings.Modules) {
501 var m = LoadModuleFile (moduleName);
505 if (m.IsManifestModule) {
506 Error_ModuleIsAssembly (moduleName);
510 var md = importer.ImportModule (assembly.IncludeModule (m), targetNamespace);
511 assembly.AddModule (md);
516 class AssemblyBuilderIKVM : AssemblyBuilderExtension
518 readonly AssemblyBuilder builder;
520 public AssemblyBuilderIKVM (AssemblyBuilder builder, CompilerContext ctx)
523 this.builder = builder;
526 public override void AddTypeForwarder (TypeSpec type, Location loc)
528 builder.__AddTypeForwarder (type.GetMetaInfo ());
531 public override void DefineWin32IconResource (string fileName)
533 builder.__DefineIconResource (File.ReadAllBytes (fileName));
536 public override void SetAlgorithmId (uint value, Location loc)
538 builder.__SetAssemblyAlgorithmId ((AssemblyHashAlgorithm) value);
541 public override void SetCulture (string culture, Location loc)
543 builder.__SetAssemblyCulture (culture);
546 public override void SetFlags (uint flags, Location loc)
548 builder.__SetAssemblyFlags ((AssemblyNameFlags) flags);
551 public override void SetVersion (Version version, Location loc)
553 builder.__SetAssemblyVersion (version);