2 // assembly.cs: Assembly declaration and specifications
5 // Miguel de Icaza (miguel@ximian.com)
6 // Marek Safar (marek.safar@gmail.com)
8 // Copyright 2001, 2002, 2003 Ximian, Inc.
9 // Copyright 2004-2011 Novell, Inc.
10 // Copyright 2011-2013 Xamarin Inc
16 using System.Collections.Generic;
17 using System.Globalization;
18 using System.Security;
19 using System.Security.Cryptography;
20 using System.Security.Permissions;
21 using Mono.Security.Cryptography;
22 using Mono.CompilerServices.SymbolWriter;
25 using IKVM.Reflection;
26 using IKVM.Reflection.Emit;
27 using SecurityType = System.Collections.Generic.List<IKVM.Reflection.Emit.CustomAttributeBuilder>;
29 using SecurityType = System.Collections.Generic.Dictionary<System.Security.Permissions.SecurityAction, System.Security.PermissionSet>;
30 using System.Reflection;
31 using System.Reflection.Emit;
36 public interface IAssemblyDefinition
38 string FullName { get; }
39 bool IsCLSCompliant { get; }
40 bool IsMissing { get; }
43 byte[] GetPublicKeyToken ();
44 bool IsFriendAssemblyTo (IAssemblyDefinition assembly);
47 public abstract class AssemblyDefinition : IAssemblyDefinition
49 // TODO: make it private and move all builder based methods here
50 public AssemblyBuilder Builder;
51 protected AssemblyBuilderExtension builder_extra;
52 MonoSymbolFile symbol_writer;
54 bool is_cls_compliant;
55 bool wrap_non_exception_throws;
56 bool wrap_non_exception_throws_custom;
57 bool has_user_debuggable;
59 protected ModuleContainer module;
61 protected readonly string file_name;
63 byte[] public_key, public_key_token;
66 // Holds private/public key pair when private key
68 StrongNameKeyPair private_key;
70 Attribute cls_attribute;
73 protected List<ImportedModuleDefinition> added_modules;
74 SecurityType declarative_security;
75 Dictionary<ITypeDefinition, Attribute> emitted_forwarders;
76 AssemblyAttributesPlaceholder module_target_attrs;
78 // Win32 version info values
79 string vi_product, vi_product_version, vi_company, vi_copyright, vi_trademark;
81 protected AssemblyDefinition (ModuleContainer module, string name)
84 this.name = Path.GetFileNameWithoutExtension (name);
86 wrap_non_exception_throws = true;
88 delay_sign = Compiler.Settings.StrongNameDelaySign;
91 // Load strong name key early enough for assembly importer to be able to
92 // use the keys for InternalsVisibleTo
93 // This should go somewhere close to ReferencesLoading but don't have the place yet
95 if (Compiler.Settings.HasKeyFileOrContainer) {
96 LoadPublicKey (Compiler.Settings.StrongNameKeyFile, Compiler.Settings.StrongNameKeyContainer);
100 protected AssemblyDefinition (ModuleContainer module, string name, string fileName)
101 : this (module, name)
103 this.file_name = fileName;
108 public Attribute CLSCompliantAttribute {
110 return cls_attribute;
114 public CompilerContext Compiler {
116 return module.Compiler;
121 // Assembly entry point, aka Main method
123 public Method EntryPoint {
132 public string FullName {
134 return Builder.FullName;
138 public bool HasCLSCompliantAttribute {
140 return cls_attribute != null;
144 // TODO: This should not exist here but will require more changes
145 public MetadataImporter Importer {
149 public bool IsCLSCompliant {
151 return is_cls_compliant;
155 bool IAssemblyDefinition.IsMissing {
161 public bool IsSatelliteAssembly { get; private set; }
169 public bool WrapNonExceptionThrows {
171 return wrap_non_exception_throws;
175 protected Report Report {
177 return Compiler.Report;
181 public MonoSymbolFile SymbolWriter {
183 return symbol_writer;
189 public void AddModule (ImportedModuleDefinition module)
191 if (added_modules == null) {
192 added_modules = new List<ImportedModuleDefinition> ();
193 added_modules.Add (module);
197 public void ApplyAttributeBuilder (Attribute a, MethodSpec ctor, byte[] cdata, PredefinedAttributes pa)
199 if (a.IsValidSecurityAttribute ()) {
200 a.ExtractSecurityPermissionSet (ctor, ref declarative_security);
204 if (a.Type == pa.AssemblyCulture) {
205 string value = a.GetString ();
206 if (value == null || value.Length == 0)
209 if (Compiler.Settings.Target == Target.Exe) {
210 Report.Error (7059, a.Location, "Executables cannot be satellite assemblies. Remove the attribute or keep it empty");
214 if (value == "neutral")
217 if (Compiler.Settings.Target == Target.Module) {
218 SetCustomAttribute (ctor, cdata);
220 builder_extra.SetCulture (value, a.Location);
223 IsSatelliteAssembly = true;
227 if (a.Type == pa.AssemblyVersion) {
228 string value = a.GetString ();
229 if (value == null || value.Length == 0)
232 var vinfo = IsValidAssemblyVersion (value, true);
234 Report.Error (7034, a.Location, "The specified version string `{0}' does not conform to the required format - major[.minor[.build[.revision]]]",
239 if (Compiler.Settings.Target == Target.Module) {
240 SetCustomAttribute (ctor, cdata);
242 builder_extra.SetVersion (vinfo, a.Location);
248 if (a.Type == pa.AssemblyAlgorithmId) {
249 const int pos = 2; // skip CA header
250 uint alg = (uint) cdata [pos];
251 alg |= ((uint) cdata [pos + 1]) << 8;
252 alg |= ((uint) cdata [pos + 2]) << 16;
253 alg |= ((uint) cdata [pos + 3]) << 24;
255 if (Compiler.Settings.Target == Target.Module) {
256 SetCustomAttribute (ctor, cdata);
258 builder_extra.SetAlgorithmId (alg, a.Location);
264 if (a.Type == pa.AssemblyFlags) {
265 const int pos = 2; // skip CA header
266 uint flags = (uint) cdata[pos];
267 flags |= ((uint) cdata [pos + 1]) << 8;
268 flags |= ((uint) cdata [pos + 2]) << 16;
269 flags |= ((uint) cdata [pos + 3]) << 24;
271 // Ignore set PublicKey flag if assembly is not strongnamed
272 if ((flags & (uint) AssemblyNameFlags.PublicKey) != 0 && public_key == null)
273 flags &= ~(uint) AssemblyNameFlags.PublicKey;
275 if (Compiler.Settings.Target == Target.Module) {
276 SetCustomAttribute (ctor, cdata);
278 builder_extra.SetFlags (flags, a.Location);
284 if (a.Type == pa.TypeForwarder) {
285 TypeSpec t = a.GetArgumentType ();
286 if (t == null || TypeManager.HasElementType (t)) {
287 Report.Error (735, a.Location, "Invalid type specified as an argument for TypeForwardedTo attribute");
291 if (emitted_forwarders == null) {
292 emitted_forwarders = new Dictionary<ITypeDefinition, Attribute> ();
293 } else if (emitted_forwarders.ContainsKey (t.MemberDefinition)) {
294 Report.SymbolRelatedToPreviousError (emitted_forwarders[t.MemberDefinition].Location, null);
295 Report.Error (739, a.Location, "A duplicate type forward of type `{0}'",
296 t.GetSignatureForError ());
300 emitted_forwarders.Add (t.MemberDefinition, a);
302 if (t.MemberDefinition.DeclaringAssembly == this) {
303 Report.SymbolRelatedToPreviousError (t);
304 Report.Error (729, a.Location, "Cannot forward type `{0}' because it is defined in this assembly",
305 t.GetSignatureForError ());
310 Report.Error (730, a.Location, "Cannot forward type `{0}' because it is a nested type",
311 t.GetSignatureForError ());
315 builder_extra.AddTypeForwarder (t.GetDefinition (), a.Location);
319 if (a.Type == pa.Extension) {
320 a.Error_MisusedExtensionAttribute ();
324 if (a.Type == pa.InternalsVisibleTo) {
325 string assembly_name = a.GetString ();
326 if (assembly_name == null) {
327 Report.Error (7030, a.Location, "Friend assembly reference cannot have `null' value");
331 if (assembly_name.Length == 0)
334 ParsedAssemblyName aname;
335 ParseAssemblyResult r = Fusion.ParseAssemblyName (assembly_name, out aname);
336 if (r != ParseAssemblyResult.OK) {
337 Report.Warning (1700, 3, a.Location, "Friend assembly reference `{0}' is invalid and cannot be resolved",
342 if (aname.Version != null || aname.Culture != null || aname.ProcessorArchitecture != ProcessorArchitecture.None) {
343 Report.Error (1725, a.Location,
344 "Friend assembly reference `{0}' is invalid. InternalsVisibleTo declarations cannot have a version, culture or processor architecture specified",
350 if (public_key != null && !aname.HasPublicKey) {
351 Report.Error (1726, a.Location,
352 "Friend assembly reference `{0}' is invalid. Strong named assemblies must specify a public key in their InternalsVisibleTo declarations",
357 } else if (a.Type == pa.RuntimeCompatibility) {
358 wrap_non_exception_throws_custom = true;
359 } else if (a.Type == pa.AssemblyFileVersion) {
360 vi_product_version = a.GetString ();
361 if (string.IsNullOrEmpty (vi_product_version) || IsValidAssemblyVersion (vi_product_version, false) == null) {
362 Report.Warning (7035, 1, a.Location, "The specified version string `{0}' does not conform to the recommended format major.minor.build.revision",
363 vi_product_version, a.Name);
367 // File version info decoding from blob is not supported
368 var cab = new CustomAttributeBuilder ((ConstructorInfo) ctor.GetMetaInfo (), new object[] { vi_product_version });
369 Builder.SetCustomAttribute (cab);
371 } else if (a.Type == pa.AssemblyProduct) {
372 vi_product = a.GetString ();
373 } else if (a.Type == pa.AssemblyCompany) {
374 vi_company = a.GetString ();
375 } else if (a.Type == pa.AssemblyDescription) {
376 // TODO: Needs extra api
377 } else if (a.Type == pa.AssemblyCopyright) {
378 vi_copyright = a.GetString ();
379 } else if (a.Type == pa.AssemblyTrademark) {
380 vi_trademark = a.GetString ();
381 } else if (a.Type == pa.Debuggable) {
382 has_user_debuggable = true;
385 SetCustomAttribute (ctor, cdata);
389 // When using assembly public key attributes InternalsVisibleTo key
390 // was not checked, we have to do it later when we actually know what
391 // our public key token is
393 void CheckReferencesPublicToken ()
395 // TODO: It should check only references assemblies but there is
396 // no working SRE API
397 foreach (var entry in Importer.Assemblies) {
398 var a = entry as ImportedAssemblyDefinition;
399 if (a == null || a.IsMissing)
402 if (public_key != null && !a.HasStrongName) {
403 Report.Error (1577, "Referenced assembly `{0}' does not have a strong name",
407 var ci = a.Assembly.GetName ().CultureInfo;
408 if (!ci.Equals (CultureInfo.InvariantCulture)) {
409 Report.Warning (8009, 1, "Referenced assembly `{0}' has different culture setting of `{1}'",
413 if (!a.IsFriendAssemblyTo (this))
416 var attr = a.GetAssemblyVisibleToName (this);
417 var atoken = attr.GetPublicKeyToken ();
419 if (ArrayComparer.IsEqual (GetPublicKeyToken (), atoken))
422 Report.SymbolRelatedToPreviousError (a.Location);
424 "Friend access was granted to `{0}', but the output assembly is named `{1}'. Try adding a reference to `{0}' or change the output assembly name to match it",
425 attr.FullName, FullName);
429 protected AssemblyName CreateAssemblyName ()
431 var an = new AssemblyName (name);
433 if (public_key != null && Compiler.Settings.Target != Target.Module) {
435 an.SetPublicKey (public_key);
437 if (public_key.Length == 16) {
438 Report.Error (1606, "Could not sign the assembly. ECMA key can only be used to delay-sign assemblies");
439 } else if (private_key == null) {
440 Error_AssemblySigning ("The specified key file does not have a private key");
442 an.KeyPair = private_key;
450 public virtual ModuleBuilder CreateModuleBuilder ()
452 if (file_name == null)
453 throw new NotSupportedException ("transient module in static assembly");
455 var module_name = Path.GetFileName (file_name);
457 // Always initialize module without symbolInfo. We could be framework dependent
458 // but returned ISymbolWriter does not have all what we need therefore some
459 // adaptor will be needed for now we alwayas emit MDB format when generating
461 return Builder.DefineDynamicModule (module_name, module_name, false);
464 public virtual void Emit ()
466 if (Compiler.Settings.Target == Target.Module) {
467 module_target_attrs = new AssemblyAttributesPlaceholder (module, name);
468 module_target_attrs.CreateContainer ();
469 module_target_attrs.DefineContainer ();
470 module_target_attrs.Define ();
471 module.AddCompilerGeneratedClass (module_target_attrs);
472 } else if (added_modules != null) {
473 ReadModulesAssemblyAttributes ();
476 if (Compiler.Settings.GenerateDebugInfo) {
477 symbol_writer = new MonoSymbolFile ();
480 module.EmitContainer ();
482 if (module.HasExtensionMethod) {
483 var pa = module.PredefinedAttributes.Extension;
485 SetCustomAttribute (pa.Constructor, AttributeEncoder.Empty);
489 if (!IsSatelliteAssembly) {
490 if (!has_user_debuggable && Compiler.Settings.GenerateDebugInfo) {
491 var pa = module.PredefinedAttributes.Debuggable;
493 var modes = System.Diagnostics.DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints;
494 if (!Compiler.Settings.Optimize)
495 modes |= System.Diagnostics.DebuggableAttribute.DebuggingModes.DisableOptimizations;
497 pa.EmitAttribute (Builder, modes);
501 if (!wrap_non_exception_throws_custom) {
502 PredefinedAttribute pa = module.PredefinedAttributes.RuntimeCompatibility;
503 if (pa.IsDefined && pa.ResolveBuilder ()) {
504 var prop = module.PredefinedMembers.RuntimeCompatibilityWrapNonExceptionThrows.Get ();
506 AttributeEncoder encoder = new AttributeEncoder ();
507 encoder.EncodeNamedPropertyArgument (prop, new BoolLiteral (Compiler.BuiltinTypes, true, Location.Null));
508 SetCustomAttribute (pa.Constructor, encoder.ToArray ());
513 if (declarative_security != null) {
515 foreach (var entry in declarative_security) {
516 Builder.__AddDeclarativeSecurity (entry);
519 throw new NotSupportedException ("Assembly-level security");
524 CheckReferencesPublicToken ();
529 public byte[] GetPublicKeyToken ()
531 if (public_key == null || public_key_token != null)
532 return public_key_token;
534 HashAlgorithm ha = SHA1.Create ();
535 byte[] hash = ha.ComputeHash (public_key);
536 // we need the last 8 bytes in reverse order
537 public_key_token = new byte[8];
538 Buffer.BlockCopy (hash, hash.Length - 8, public_key_token, 0, 8);
539 Array.Reverse (public_key_token, 0, 8);
540 return public_key_token;
544 // Either keyFile or keyContainer has to be non-null
546 void LoadPublicKey (string keyFile, string keyContainer)
548 if (keyContainer != null) {
550 private_key = new StrongNameKeyPair (keyContainer);
551 public_key = private_key.PublicKey;
553 Error_AssemblySigning ("The specified key container `" + keyContainer + "' does not exist");
559 bool key_file_exists = File.Exists (keyFile);
562 // For attribute based KeyFile do additional lookup
563 // in output assembly path
565 if (!key_file_exists && Compiler.Settings.StrongNameKeyFile == null) {
567 // The key file can be relative to output assembly
569 string test_path = Path.Combine (Path.GetDirectoryName (file_name), keyFile);
570 key_file_exists = File.Exists (test_path);
575 if (!key_file_exists) {
576 Error_AssemblySigning ("The specified key file `" + keyFile + "' does not exist");
580 using (FileStream fs = new FileStream (keyFile, FileMode.Open, FileAccess.Read)) {
581 byte[] snkeypair = new byte[fs.Length];
582 fs.Read (snkeypair, 0, snkeypair.Length);
584 // check for ECMA key
585 if (snkeypair.Length == 16) {
586 public_key = snkeypair;
591 // take it, with or without, a private key
592 RSA rsa = CryptoConvert.FromCapiKeyBlob (snkeypair);
593 // and make sure we only feed the public part to Sys.Ref
594 byte[] publickey = CryptoConvert.ToCapiPublicKeyBlob (rsa);
596 // AssemblyName.SetPublicKey requires an additional header
597 byte[] publicKeyHeader = new byte[8] { 0x00, 0x24, 0x00, 0x00, 0x04, 0x80, 0x00, 0x00 };
600 public_key = new byte[12 + publickey.Length];
601 Buffer.BlockCopy (publicKeyHeader, 0, public_key, 0, publicKeyHeader.Length);
603 // Length of Public Key (in bytes)
604 int lastPart = public_key.Length - 12;
605 public_key[8] = (byte) (lastPart & 0xFF);
606 public_key[9] = (byte) ((lastPart >> 8) & 0xFF);
607 public_key[10] = (byte) ((lastPart >> 16) & 0xFF);
608 public_key[11] = (byte) ((lastPart >> 24) & 0xFF);
610 Buffer.BlockCopy (publickey, 0, public_key, 12, publickey.Length);
612 Error_AssemblySigning ("The specified key file `" + keyFile + "' has incorrect format");
620 // TODO: Is there better way to test for a private key presence ?
621 CryptoConvert.FromCapiPrivateKeyBlob (snkeypair);
622 private_key = new StrongNameKeyPair (snkeypair);
627 void ReadModulesAssemblyAttributes ()
629 foreach (var m in added_modules) {
630 var cattrs = m.ReadAssemblyAttributes ();
634 module.OptAttributes.AddAttributes (cattrs);
638 public void Resolve ()
640 if (Compiler.Settings.Unsafe && module.PredefinedTypes.SecurityAction.Define ()) {
642 // Emits [assembly: SecurityPermissionAttribute (SecurityAction.RequestMinimum, SkipVerification = true)]
643 // when -unsafe option was specified
645 Location loc = Location.Null;
647 MemberAccess system_security_permissions = new MemberAccess (new MemberAccess (
648 new QualifiedAliasMember (QualifiedAliasMember.GlobalAlias, "System", loc), "Security", loc), "Permissions", loc);
650 var req_min = module.PredefinedMembers.SecurityActionRequestMinimum.Resolve (loc);
652 Arguments pos = new Arguments (1);
653 pos.Add (new Argument (req_min.GetConstant (null)));
655 Arguments named = new Arguments (1);
656 named.Add (new NamedArgument ("SkipVerification", loc, new BoolLiteral (Compiler.BuiltinTypes, true, loc)));
658 Attribute g = new Attribute ("assembly",
659 new MemberAccess (system_security_permissions, "SecurityPermissionAttribute"),
660 new Arguments[] { pos, named }, loc, false);
661 g.AttachTo (module, module);
663 // Disable no-location warnings (e.g. obsolete) for compiler generated attribute
664 Compiler.Report.DisableReporting ();
666 var ctor = g.Resolve ();
668 g.ExtractSecurityPermissionSet (ctor, ref declarative_security);
671 Compiler.Report.EnableReporting ();
675 if (module.OptAttributes == null)
678 // Ensure that we only have GlobalAttributes, since the Search isn't safe with other types.
679 if (!module.OptAttributes.CheckTargets())
682 cls_attribute = module.ResolveAssemblyAttribute (module.PredefinedAttributes.CLSCompliant);
684 if (cls_attribute != null) {
685 is_cls_compliant = cls_attribute.GetClsCompliantAttributeValue ();
688 if (added_modules != null && Compiler.Settings.VerifyClsCompliance && is_cls_compliant) {
689 foreach (var m in added_modules) {
690 if (!m.IsCLSCompliant) {
692 "Added modules must be marked with the CLSCompliant attribute to match the assembly",
698 Attribute a = module.ResolveAssemblyAttribute (module.PredefinedAttributes.RuntimeCompatibility);
700 var val = a.GetNamedValue ("WrapNonExceptionThrows") as BoolConstant;
702 wrap_non_exception_throws = val.Value;
706 protected void ResolveAssemblySecurityAttributes ()
708 string key_file = null;
709 string key_container = null;
711 if (module.OptAttributes != null) {
712 foreach (Attribute a in module.OptAttributes.Attrs) {
713 // cannot rely on any resolve-based members before you call Resolve
714 if (a.ExplicitTarget != "assembly")
717 // TODO: This code is buggy: comparing Attribute name without resolving is wrong.
718 // However, this is invoked by CodeGen.Init, when none of the namespaces
720 // TODO: Does not handle quoted attributes properly
722 case "AssemblyKeyFile":
723 case "AssemblyKeyFileAttribute":
724 case "System.Reflection.AssemblyKeyFileAttribute":
725 if (Compiler.Settings.StrongNameKeyFile != null) {
726 Report.SymbolRelatedToPreviousError (a.Location, a.GetSignatureForError ());
727 Report.Warning (1616, 1, "Option `{0}' overrides attribute `{1}' given in a source file or added module",
728 "keyfile", "System.Reflection.AssemblyKeyFileAttribute");
730 string value = a.GetString ();
731 if (!string.IsNullOrEmpty (value)) {
732 Error_ObsoleteSecurityAttribute (a, "keyfile");
737 case "AssemblyKeyName":
738 case "AssemblyKeyNameAttribute":
739 case "System.Reflection.AssemblyKeyNameAttribute":
740 if (Compiler.Settings.StrongNameKeyContainer != null) {
741 Report.SymbolRelatedToPreviousError (a.Location, a.GetSignatureForError ());
742 Report.Warning (1616, 1, "Option `{0}' overrides attribute `{1}' given in a source file or added module",
743 "keycontainer", "System.Reflection.AssemblyKeyNameAttribute");
745 string value = a.GetString ();
746 if (!string.IsNullOrEmpty (value)) {
747 Error_ObsoleteSecurityAttribute (a, "keycontainer");
748 key_container = value;
752 case "AssemblyDelaySign":
753 case "AssemblyDelaySignAttribute":
754 case "System.Reflection.AssemblyDelaySignAttribute":
755 bool b = a.GetBoolean ();
757 Error_ObsoleteSecurityAttribute (a, "delaysign");
766 // We came here only to report assembly attributes warnings
767 if (public_key != null)
771 // Load the strong key file found in attributes when no
772 // command line key was given
774 if (key_file != null || key_container != null) {
775 LoadPublicKey (key_file, key_container);
776 } else if (delay_sign) {
777 Report.Warning (1607, 1, "Delay signing was requested but no key file was given");
781 public void EmbedResources ()
784 // Add Win32 resources
786 if (Compiler.Settings.Win32ResourceFile != null) {
787 Builder.DefineUnmanagedResource (Compiler.Settings.Win32ResourceFile);
789 Builder.DefineVersionInfoResource (vi_product, vi_product_version, vi_company, vi_copyright, vi_trademark);
792 if (Compiler.Settings.Win32IconFile != null) {
793 builder_extra.DefineWin32IconResource (Compiler.Settings.Win32IconFile);
796 if (Compiler.Settings.Resources != null) {
797 if (Compiler.Settings.Target == Target.Module) {
798 Report.Error (1507, "Cannot link resource file when building a module");
801 foreach (var res in Compiler.Settings.Resources) {
802 if (!File.Exists (res.FileName)) {
803 Report.Error (1566, "Error reading resource file `{0}'", res.FileName);
809 if (counter++ < 10) {
810 stream = File.OpenRead (res.FileName);
812 // TODO: SRE API requires resource stream to be available during AssemblyBuilder::Save
813 // we workaround it by reading everything into memory to compile projects with
814 // many embedded resource (over 3500) references
815 stream = new MemoryStream (File.ReadAllBytes (res.FileName));
818 module.Builder.DefineManifestResource (res.Name, stream, res.Attributes);
820 Builder.AddResourceFile (res.Name, Path.GetFileName (res.FileName), res.Attributes);
829 PortableExecutableKinds pekind = PortableExecutableKinds.ILOnly;
830 ImageFileMachine machine;
832 switch (Compiler.Settings.Platform) {
834 pekind |= PortableExecutableKinds.Required32Bit;
835 machine = ImageFileMachine.I386;
838 pekind |= PortableExecutableKinds.PE32Plus;
839 machine = ImageFileMachine.AMD64;
842 machine = ImageFileMachine.IA64;
844 case Platform.AnyCPU32Preferred:
846 pekind |= PortableExecutableKinds.Preferred32Bit;
847 machine = ImageFileMachine.I386;
850 throw new NotSupportedException ();
854 machine = ImageFileMachine.ARM;
857 throw new NotSupportedException ();
859 case Platform.AnyCPU:
861 machine = ImageFileMachine.I386;
865 Compiler.TimeReporter.Start (TimeReporter.TimerType.OutputSave);
867 if (Compiler.Settings.Target == Target.Module) {
868 SaveModule (pekind, machine);
870 Builder.Save (module.Builder.ScopeName, pekind, machine);
872 } catch (Exception e) {
873 Report.Error (16, "Could not write to file `" + name + "', cause: " + e.Message);
875 Compiler.TimeReporter.Stop (TimeReporter.TimerType.OutputSave);
877 // Save debug symbols file
878 if (symbol_writer != null && Compiler.Report.Errors == 0) {
879 // TODO: it should run in parallel
880 Compiler.TimeReporter.Start (TimeReporter.TimerType.DebugSave);
882 var filename = file_name + ".mdb";
884 // We mmap the file, so unlink the previous version since it may be in use
885 File.Delete (filename);
887 // We can safely ignore
890 module.WriteDebugSymbol (symbol_writer);
892 using (FileStream fs = new FileStream (filename, FileMode.Create, FileAccess.Write)) {
893 symbol_writer.CreateSymbolFile (module.Builder.ModuleVersionId, fs);
896 Compiler.TimeReporter.Stop (TimeReporter.TimerType.DebugSave);
900 protected virtual void SaveModule (PortableExecutableKinds pekind, ImageFileMachine machine)
902 Report.RuntimeMissingSupport (Location.Null, "-target:module");
905 void SetCustomAttribute (MethodSpec ctor, byte[] data)
907 if (module_target_attrs != null)
908 module_target_attrs.AddAssemblyAttribute (ctor, data);
910 Builder.SetCustomAttribute ((ConstructorInfo) ctor.GetMetaInfo (), data);
913 void SetEntryPoint ()
915 if (!Compiler.Settings.NeedsEntryPoint) {
916 if (Compiler.Settings.MainClass != null)
917 Report.Error (2017, "Cannot specify -main if building a module or library");
922 PEFileKinds file_kind;
924 switch (Compiler.Settings.Target) {
927 file_kind = PEFileKinds.Dll;
930 file_kind = PEFileKinds.WindowApplication;
933 file_kind = PEFileKinds.ConsoleApplication;
937 if (entry_point == null) {
938 string main_class = Compiler.Settings.MainClass;
939 if (main_class != null) {
940 // TODO: Handle dotted names
941 var texpr = module.GlobalRootNamespace.LookupType (module, main_class, 0, LookupMode.Probing, Location.Null);
943 Report.Error (1555, "Could not find `{0}' specified for Main method", main_class);
947 var mtype = texpr.MemberDefinition as ClassOrStruct;
949 Report.Error (1556, "`{0}' specified for Main method must be a valid class or struct", main_class);
953 Report.Error (1558, mtype.Location, "`{0}' does not have a suitable static Main method", mtype.GetSignatureForError ());
955 string pname = file_name == null ? name : Path.GetFileName (file_name);
956 Report.Error (5001, "Program `{0}' does not contain a static `Main' method suitable for an entry point",
963 Builder.SetEntryPoint (entry_point.MethodBuilder, file_kind);
966 void Error_ObsoleteSecurityAttribute (Attribute a, string option)
968 Report.Warning (1699, 1, a.Location,
969 "Use compiler option `{0}' or appropriate project settings instead of `{1}' attribute",
973 void Error_AssemblySigning (string text)
975 Report.Error (1548, "Error during assembly signing. " + text);
978 public bool IsFriendAssemblyTo (IAssemblyDefinition assembly)
983 static Version IsValidAssemblyVersion (string version, bool allowGenerated)
985 string[] parts = version.Split ('.');
986 if (parts.Length < 1 || parts.Length > 4)
989 var values = new int[4];
990 for (int i = 0; i < parts.Length; ++i) {
991 if (!int.TryParse (parts[i], out values[i])) {
992 if (parts[i].Length == 1 && parts[i][0] == '*' && allowGenerated) {
994 // Nothing can follow *
995 if (parts.Length > 3)
998 // Generate Build value based on days since 1/1/2000
999 TimeSpan days = DateTime.Today - new DateTime (2000, 1, 1);
1000 values[i] = System.Math.Max (days.Days, 0);
1005 // Generate Revision value based on every other second today
1006 var seconds = DateTime.Now - DateTime.Today;
1007 values[i] = (int) seconds.TotalSeconds / 2;
1015 if (values[i] > ushort.MaxValue)
1019 return new Version (values[0], values[1], values[2], values[3]);
1023 public class AssemblyResource : IEquatable<AssemblyResource>
1025 public AssemblyResource (string fileName, string name)
1026 : this (fileName, name, false)
1030 public AssemblyResource (string fileName, string name, bool isPrivate)
1032 FileName = fileName;
1034 Attributes = isPrivate ? ResourceAttributes.Private : ResourceAttributes.Public;
1037 public ResourceAttributes Attributes { get; private set; }
1038 public string Name { get; private set; }
1039 public string FileName { get; private set; }
1040 public bool IsEmbeded { get; set; }
1042 #region IEquatable<AssemblyResource> Members
1044 public bool Equals (AssemblyResource other)
1046 return Name == other.Name;
1053 // A placeholder class for assembly attributes when emitting module
1055 class AssemblyAttributesPlaceholder : CompilerGeneratedContainer
1057 static readonly string TypeNamePrefix = "<$AssemblyAttributes${0}>";
1058 public static readonly string AssemblyFieldName = "attributes";
1062 public AssemblyAttributesPlaceholder (ModuleContainer parent, string outputName)
1063 : base (parent, new MemberName (GetGeneratedName (outputName)), Modifiers.STATIC | Modifiers.INTERNAL)
1065 assembly = new Field (this, new TypeExpression (parent.Compiler.BuiltinTypes.Object, Location), Modifiers.PUBLIC | Modifiers.STATIC,
1066 new MemberName (AssemblyFieldName), null);
1068 AddField (assembly);
1071 public void AddAssemblyAttribute (MethodSpec ctor, byte[] data)
1073 assembly.SetCustomAttribute (ctor, data);
1076 public static string GetGeneratedName (string outputName)
1078 return string.Format (TypeNamePrefix, outputName);
1083 // Extension to System.Reflection.Emit.AssemblyBuilder to have fully compatible
1084 // compiler. This is a default implementation for framework System.Reflection.Emit
1085 // which does not implement any of the methods
1087 public class AssemblyBuilderExtension
1089 readonly CompilerContext ctx;
1091 public AssemblyBuilderExtension (CompilerContext ctx)
1096 public virtual System.Reflection.Module AddModule (string module)
1098 ctx.Report.RuntimeMissingSupport (Location.Null, "-addmodule");
1102 public virtual void AddPermissionRequests (PermissionSet[] permissions)
1104 ctx.Report.RuntimeMissingSupport (Location.Null, "assembly declarative security");
1107 public virtual void AddTypeForwarder (TypeSpec type, Location loc)
1109 ctx.Report.RuntimeMissingSupport (loc, "TypeForwardedToAttribute");
1112 public virtual void DefineWin32IconResource (string fileName)
1114 ctx.Report.RuntimeMissingSupport (Location.Null, "-win32icon");
1117 public virtual void SetAlgorithmId (uint value, Location loc)
1119 ctx.Report.RuntimeMissingSupport (loc, "AssemblyAlgorithmIdAttribute");
1122 public virtual void SetCulture (string culture, Location loc)
1124 ctx.Report.RuntimeMissingSupport (loc, "AssemblyCultureAttribute");
1127 public virtual void SetFlags (uint flags, Location loc)
1129 ctx.Report.RuntimeMissingSupport (loc, "AssemblyFlagsAttribute");
1132 public virtual void SetVersion (Version version, Location loc)
1134 ctx.Report.RuntimeMissingSupport (loc, "AssemblyVersionAttribute");
1138 abstract class AssemblyReferencesLoader<T> where T : class
1140 protected readonly CompilerContext compiler;
1142 protected readonly List<string> paths;
1144 protected AssemblyReferencesLoader (CompilerContext compiler)
1146 this.compiler = compiler;
1148 paths = new List<string> ();
1149 paths.Add (Directory.GetCurrentDirectory ());
1150 paths.AddRange (compiler.Settings.ReferencesLookupPaths);
1153 public abstract bool HasObjectType (T assembly);
1154 protected abstract string[] GetDefaultReferences ();
1155 public abstract T LoadAssemblyFile (string fileName, bool isImplicitReference);
1156 public abstract void LoadReferences (ModuleContainer module);
1158 protected void Error_FileNotFound (string fileName)
1160 compiler.Report.Error (6, "Metadata file `{0}' could not be found", fileName);
1163 protected void Error_FileCorrupted (string fileName)
1165 compiler.Report.Error (9, "Metadata file `{0}' does not contain valid metadata", fileName);
1168 protected void Error_AssemblyIsModule (string fileName)
1170 compiler.Report.Error (1509,
1171 "Referenced assembly file `{0}' is a module. Consider using `-addmodule' option to add the module",
1175 protected void Error_ModuleIsAssembly (string fileName)
1177 compiler.Report.Error (1542,
1178 "Added module file `{0}' is an assembly. Consider using `-r' option to reference the file",
1182 protected void LoadReferencesCore (ModuleContainer module, out T corlib_assembly, out List<Tuple<RootNamespace, T>> loaded)
1184 compiler.TimeReporter.Start (TimeReporter.TimerType.ReferencesLoading);
1186 loaded = new List<Tuple<RootNamespace, T>> ();
1189 // Load mscorlib.dll as the first
1191 if (module.Compiler.Settings.StdLib) {
1192 corlib_assembly = LoadAssemblyFile ("mscorlib.dll", true);
1194 corlib_assembly = default (T);
1198 foreach (string r in module.Compiler.Settings.AssemblyReferences) {
1199 a = LoadAssemblyFile (r, false);
1200 if (a == null || EqualityComparer<T>.Default.Equals (a, corlib_assembly))
1203 var key = Tuple.Create (module.GlobalRootNamespace, a);
1204 if (loaded.Contains (key))
1210 if (corlib_assembly == null) {
1212 // Requires second pass because HasObjectType can trigger assembly load event
1214 for (int i = 0; i < loaded.Count; ++i) {
1215 var assembly = loaded [i];
1218 // corlib assembly is the first referenced assembly which contains System.Object
1220 if (HasObjectType (assembly.Item2)) {
1221 corlib_assembly = assembly.Item2;
1222 loaded.RemoveAt (i);
1228 foreach (var entry in module.Compiler.Settings.AssemblyReferencesAliases) {
1229 a = LoadAssemblyFile (entry.Item2, false);
1233 var key = Tuple.Create (module.CreateRootNamespace (entry.Item1), a);
1234 if (loaded.Contains (key))
1240 if (compiler.Settings.LoadDefaultReferences) {
1241 foreach (string r in GetDefaultReferences ()) {
1242 a = LoadAssemblyFile (r, true);
1246 var key = Tuple.Create (module.GlobalRootNamespace, a);
1247 if (loaded.Contains (key))
1254 compiler.TimeReporter.Stop (TimeReporter.TimerType.ReferencesLoading);