2 // decl.cs: Declaration base class for structs, classes, enums and interfaces.
4 // Author: Miguel de Icaza (miguel@gnu.org)
5 // Marek Safar (marek.safar@seznam.cz)
7 // Licensed under the terms of the GNU GPL
9 // (C) 2001 Ximian, Inc (http://www.ximian.com)
10 // (C) 2004 Novell, Inc
12 // TODO: Move the method verification stuff from the class.cs and interface.cs here
16 using System.Collections;
17 using System.Globalization;
18 using System.Reflection.Emit;
19 using System.Reflection;
21 #if BOOTSTRAP_WITH_OLDLIB
22 using XmlElement = System.Object;
27 namespace Mono.CSharp {
29 public class MemberName {
30 public readonly string Name;
31 public readonly MemberName Left;
33 public static readonly MemberName Null = new MemberName ("");
35 public MemberName (string name)
40 public MemberName (MemberName left, string name)
46 public MemberName (MemberName left, MemberName right)
49 Left = (right.Left == null) ? left : new MemberName (left, right.Left);
52 static readonly char [] dot_array = { '.' };
54 public static MemberName FromDotted (string name)
56 string [] elements = name.Split (dot_array);
57 int count = elements.Length;
59 MemberName n = new MemberName (elements [i++]);
61 n = new MemberName (n, elements [i++]);
65 public string GetName ()
67 return GetName (false);
70 public string GetName (bool is_generic)
72 string name = is_generic ? Basename : Name;
74 return Left.GetName (is_generic) + "." + name;
80 /// This returns exclusively the name as seen on the source code
81 /// it is not the fully qualifed type after resolution
83 public string GetPartialName ()
86 return Left.GetPartialName () + "." + Name;
91 public string GetTypeName ()
94 return Left.GetTypeName () + "." + Name;
99 public Expression GetTypeExpression (Location loc)
102 Expression lexpr = Left.GetTypeExpression (loc);
104 return new MemberAccess (lexpr, Name, loc);
106 return new SimpleName (Name, loc);
110 public MemberName Clone ()
113 return new MemberName (Left.Clone (), Name);
115 return new MemberName (Name);
118 public string Basename {
124 public override string ToString ()
127 return Left + "." + Name;
132 public override bool Equals (object other)
134 return Equals (other as MemberName);
137 public bool Equals (MemberName other)
141 if (other == null || Name != other.Name)
144 if (TypeArguments == null)
145 return other.TypeArguments == null;
147 if (other.TypeArguments == null || TypeArguments.Count != other.TypeArguments.Count)
151 return other.Left == null;
153 return Left.Equals (other.Left);
156 public override int GetHashCode ()
158 int hash = Name.GetHashCode ();
159 for (MemberName n = Left; n != null; n = n.Left)
160 hash ^= n.Name.GetHashCode ();
163 if (TypeArguments != null)
164 hash ^= TypeArguments.Count << 5;
167 return hash & 0x7FFFFFFF;
172 /// Base representation for members. This is used to keep track
173 /// of Name, Location and Modifier flags, and handling Attributes.
175 public abstract class MemberCore : Attributable {
180 protected string cached_name;
183 if (cached_name == null)
184 cached_name = MemberName.GetName (false);
189 // Is not readonly because of IndexerName attribute
190 private MemberName member_name;
191 public MemberName MemberName {
192 get { return member_name; }
196 /// Modifier flags that the user specified in the source code
200 public /*readonly*/ TypeContainer Parent;
203 /// Location where this declaration happens
205 public readonly Location Location;
208 /// XML documentation comment
210 public string DocComment;
213 /// Represents header string for documentation comment
214 /// for each member types.
216 public abstract string DocCommentHeader { get; }
220 Obsolete_Undetected = 1, // Obsolete attribute has not been detected yet
221 Obsolete = 1 << 1, // Type has obsolete attribute
222 ClsCompliance_Undetected = 1 << 2, // CLS Compliance has not been detected yet
223 ClsCompliant = 1 << 3, // Type is CLS Compliant
224 CloseTypeCreated = 1 << 4, // Tracks whether we have Closed the type
225 HasCompliantAttribute_Undetected = 1 << 5, // Presence of CLSCompliantAttribute has not been detected
226 HasClsCompliantAttribute = 1 << 6, // Type has CLSCompliantAttribute
227 ClsCompliantAttributeTrue = 1 << 7, // Type has CLSCompliant (true)
228 Excluded_Undetected = 1 << 8, // Conditional attribute has not been detected yet
229 Excluded = 1 << 9, // Method is conditional
230 TestMethodDuplication = 1 << 10, // Test for duplication must be performed
232 IsAssigned = 1 << 12 // Field is assigned
236 /// MemberCore flags at first detected then cached
238 internal Flags caching_flags;
240 public MemberCore (TypeContainer parent, MemberName name, Attributes attrs,
244 if (parent is PartialContainer && !(this is PartialContainer))
245 throw new InternalErrorException ("A PartialContainer cannot be the direct parent of a member");
250 caching_flags = Flags.Obsolete_Undetected | Flags.ClsCompliance_Undetected | Flags.HasCompliantAttribute_Undetected | Flags.Excluded_Undetected;
253 protected virtual void SetMemberName (MemberName new_name)
255 member_name = new_name;
260 /// Tests presence of ObsoleteAttribute and report proper error
262 protected void CheckUsageOfObsoleteAttribute (Type type)
267 ObsoleteAttribute obsolete_attr = AttributeTester.GetObsoleteAttribute (type);
268 if (obsolete_attr == null)
271 AttributeTester.Report_ObsoleteMessage (obsolete_attr, type.FullName, Location);
274 public abstract bool Define ();
277 // Returns full member name for error message
279 public virtual string GetSignatureForError ()
281 if (Parent == null || Parent.Parent == null)
284 return String.Concat (Parent.GetSignatureForError (), '.', Name);
288 /// Base Emit method. This is also entry point for CLS-Compliant verification.
290 public virtual void Emit ()
292 // Hack with Parent == null is for EnumMember
293 if (Parent == null || (GetObsoleteAttribute (Parent) == null && Parent.GetObsoleteAttribute (Parent) == null))
294 VerifyObsoleteAttribute ();
296 if (!RootContext.VerifyClsCompliance)
299 VerifyClsCompliance (Parent);
302 public bool InUnsafe {
304 return ((ModFlags & Modifiers.UNSAFE) != 0) || Parent.UnsafeContext;
308 public virtual bool IsUsed {
310 return (caching_flags & Flags.IsUsed) != 0;
314 public void SetMemberIsUsed ()
316 caching_flags |= Flags.IsUsed;
320 // Whehter is it ok to use an unsafe pointer in this type container
322 public bool UnsafeOK (DeclSpace parent)
325 // First check if this MemberCore modifier flags has unsafe set
327 if ((ModFlags & Modifiers.UNSAFE) != 0)
330 if (parent.UnsafeContext)
333 Expression.UnsafeError (Location);
338 /// Returns instance of ObsoleteAttribute for this MemberCore
340 public ObsoleteAttribute GetObsoleteAttribute (DeclSpace ds)
342 // ((flags & (Flags.Obsolete_Undetected | Flags.Obsolete)) == 0) is slower, but why ?
343 if ((caching_flags & Flags.Obsolete_Undetected) == 0 && (caching_flags & Flags.Obsolete) == 0) {
347 caching_flags &= ~Flags.Obsolete_Undetected;
349 if (OptAttributes == null)
352 Attribute obsolete_attr = OptAttributes.Search (
353 TypeManager.obsolete_attribute_type, ds.EmitContext);
354 if (obsolete_attr == null)
357 ObsoleteAttribute obsolete = obsolete_attr.GetObsoleteAttribute (ds.EmitContext);
358 if (obsolete == null)
361 caching_flags |= Flags.Obsolete;
366 /// Analyze whether CLS-Compliant verification must be execute for this MemberCore.
368 public override bool IsClsCompliaceRequired (DeclSpace container)
370 if ((caching_flags & Flags.ClsCompliance_Undetected) == 0)
371 return (caching_flags & Flags.ClsCompliant) != 0;
373 if (GetClsCompliantAttributeValue (container) && IsExposedFromAssembly (container)) {
374 caching_flags &= ~Flags.ClsCompliance_Undetected;
375 caching_flags |= Flags.ClsCompliant;
379 caching_flags &= ~Flags.ClsCompliance_Undetected;
384 /// Returns true when MemberCore is exposed from assembly.
386 public bool IsExposedFromAssembly (DeclSpace ds)
388 if ((ModFlags & (Modifiers.PUBLIC | Modifiers.PROTECTED)) == 0)
391 DeclSpace parentContainer = ds;
392 while (parentContainer != null && parentContainer.ModFlags != 0) {
393 if ((parentContainer.ModFlags & (Modifiers.PUBLIC | Modifiers.PROTECTED)) == 0)
395 parentContainer = parentContainer.Parent;
401 /// Resolve CLSCompliantAttribute value or gets cached value.
403 bool GetClsCompliantAttributeValue (DeclSpace ds)
405 if (OptAttributes != null) {
406 Attribute cls_attribute = OptAttributes.Search (
407 TypeManager.cls_compliant_attribute_type, ds.EmitContext);
408 if (cls_attribute != null) {
409 caching_flags |= Flags.HasClsCompliantAttribute;
410 return cls_attribute.GetClsCompliantAttributeValue (ds.EmitContext);
413 return ds.GetClsCompliantAttributeValue ();
417 /// Returns true if MemberCore is explicitly marked with CLSCompliantAttribute
419 protected bool HasClsCompliantAttribute {
421 return (caching_flags & Flags.HasClsCompliantAttribute) != 0;
426 /// It helps to handle error 102 & 111 detection
428 public virtual bool MarkForDuplicationCheck ()
434 /// The main virtual method for CLS-Compliant verifications.
435 /// The method returns true if member is CLS-Compliant and false if member is not
436 /// CLS-Compliant which means that CLS-Compliant tests are not necessary. A descendants override it
437 /// and add their extra verifications.
439 protected virtual bool VerifyClsCompliance (DeclSpace ds)
441 if (!IsClsCompliaceRequired (ds)) {
442 if (HasClsCompliantAttribute && RootContext.WarningLevel >= 2) {
443 if (!IsExposedFromAssembly (ds))
444 Report.Warning (3019, Location, "CLS compliance checking will not be performed on `{0}' because it is not visible from outside this assembly", GetSignatureForError ());
445 if (!CodeGen.Assembly.IsClsCompliant)
446 Report.Warning (3021, Location, "`{0}' does not need a CLSCompliant attribute because the assembly is not marked as CLS-compliant", GetSignatureForError ());
451 if (!CodeGen.Assembly.IsClsCompliant) {
452 if (HasClsCompliantAttribute) {
453 Report.Error (3014, Location,
454 "`{0}' cannot be marked as CLS-compliant because the assembly is not marked as CLS-compliant",
455 GetSignatureForError ());
460 if (member_name.Name [0] == '_') {
461 Report.Error (3008, Location, "Identifier `{0}' is not CLS-compliant", GetSignatureForError () );
466 protected abstract void VerifyObsoleteAttribute ();
469 // Raised (and passed an XmlElement that contains the comment)
470 // when GenerateDocComment is writing documentation expectedly.
472 internal virtual void OnGenerateDocComment (DeclSpace ds, XmlElement intermediateNode)
477 // Returns a string that represents the signature for this
478 // member which should be used in XML documentation.
480 public virtual string GetDocCommentName (DeclSpace ds)
482 if (ds == null || this is DeclSpace)
483 return DocCommentHeader + Name;
485 return String.Concat (DocCommentHeader, ds.Name, ".", Name);
489 // Generates xml doc comments (if any), and if required,
490 // handle warning report.
492 internal virtual void GenerateDocComment (DeclSpace ds)
494 DocUtil.GenerateDocComment (this, ds);
499 /// Base class for structs, classes, enumerations and interfaces.
502 /// They all create new declaration spaces. This
503 /// provides the common foundation for managing those name
506 public abstract class DeclSpace : MemberCore, IAlias {
508 /// This points to the actual definition that is being
509 /// created with System.Reflection.Emit
511 public TypeBuilder TypeBuilder;
514 // This is the namespace in which this typecontainer
515 // was declared. We use this to resolve names.
517 public NamespaceEntry NamespaceEntry;
519 private Hashtable Cache = new Hashtable ();
521 public string Basename;
523 protected Hashtable defined_names;
525 // The emit context for toplevel objects.
526 protected EmitContext ec;
528 public EmitContext EmitContext {
532 static string[] attribute_targets = new string [] { "type" };
534 public DeclSpace (NamespaceEntry ns, TypeContainer parent, MemberName name,
535 Attributes attrs, Location l)
536 : base (parent, name, attrs, l)
539 Basename = name.Name;
540 defined_names = new Hashtable ();
544 /// Adds the member to defined_names table. It tests for duplications and enclosing name conflicts
546 protected bool AddToContainer (MemberCore symbol, string name)
548 if (name == Basename && !(this is Interface) && !(this is Enum)) {
549 Report.SymbolRelatedToPreviousError (this);
550 Report.Error (542, symbol.Location, "`{0}': member names cannot be the same as their enclosing type", symbol.GetSignatureForError ());
554 MemberCore mc = (MemberCore) defined_names [name];
557 defined_names.Add (name, symbol);
561 if (symbol.MarkForDuplicationCheck () && mc.MarkForDuplicationCheck ())
564 if (this is RootTypes) {
565 // TODO: It should not reach this once we merge RecordDecl to AddTo
569 Report.SymbolRelatedToPreviousError (mc);
570 Report.Error (102, symbol.Location, "The type `{0}' already contains a definition for `{1}'",
571 GetSignatureForError (), symbol.MemberName.Name);
576 /// Returns the MemberCore associated with a given name in the declaration
577 /// space. It doesn't return method based symbols !!
580 public MemberCore GetDefinition (string name)
582 return (MemberCore)defined_names [name];
586 // root_types contains all the types. All TopLevel types
587 // hence have a parent that points to `root_types', that is
588 // why there is a non-obvious test down here.
590 public bool IsTopLevel {
592 return (Parent != null && Parent.Parent == null);
596 public virtual void CloseType ()
598 if ((caching_flags & Flags.CloseTypeCreated) == 0){
600 TypeBuilder.CreateType ();
603 // The try/catch is needed because
604 // nested enumerations fail to load when they
607 // Even if this is the right order (enumerations
608 // declared after types).
610 // Note that this still creates the type and
611 // it is possible to save it
613 caching_flags |= Flags.CloseTypeCreated;
617 protected virtual TypeAttributes TypeAttr {
619 return CodeGen.Module.DefaultCharSetType;
624 /// Should be overriten by the appropriate declaration space
626 public abstract TypeBuilder DefineType ();
629 /// Define all members, but don't apply any attributes or do anything which may
630 /// access not-yet-defined classes. This method also creates the MemberCache.
632 public virtual bool DefineMembers (TypeContainer parent)
634 if (((ModFlags & Modifiers.NEW) != 0) && IsTopLevel) {
635 Report.Error (1530, Location, "Keyword `new' is not allowed on namespace elements");
641 public override string GetSignatureForError ()
643 // Parent.GetSignatureForError
648 // Whether this is an `unsafe context'
650 public bool UnsafeContext {
652 if ((ModFlags & Modifiers.UNSAFE) != 0)
655 return Parent.UnsafeContext;
660 EmitContext type_resolve_ec;
661 protected EmitContext TypeResolveEmitContext {
663 if (type_resolve_ec == null) {
664 // FIXME: I think this should really be one of:
666 // a. type_resolve_ec = Parent.EmitContext;
667 // b. type_resolve_ec = new EmitContext (Parent, Parent, loc, null, null, ModFlags, false);
669 // However, if Parent == RootContext.Tree.Types, its NamespaceEntry will be null.
671 type_resolve_ec = new EmitContext (Parent, this, Location.Null, null, null, ModFlags, false);
673 return type_resolve_ec;
678 // Resolves the expression `e' for a type, and will recursively define
679 // types. This should only be used for resolving base types.
681 public TypeExpr ResolveBaseTypeExpr (Expression e, bool silent, Location loc)
683 TypeResolveEmitContext.loc = loc;
684 TypeResolveEmitContext.ContainerType = TypeBuilder;
686 return e.ResolveAsTypeTerminal (TypeResolveEmitContext, silent);
689 public bool CheckAccessLevel (Type check_type)
691 if (check_type == TypeBuilder)
694 TypeAttributes check_attr = check_type.Attributes & TypeAttributes.VisibilityMask;
697 // Broken Microsoft runtime, return public for arrays, no matter what
698 // the accessibility is for their underlying class, and they return
699 // NonPublic visibility for pointers
701 if (check_type.IsArray || check_type.IsPointer)
702 return CheckAccessLevel (TypeManager.GetElementType (check_type));
704 if (TypeBuilder == null)
705 // FIXME: TypeBuilder will be null when invoked by Class.GetNormalBases().
706 // However, this is invoked again later -- so safe to return true.
707 // May also be null when resolving top-level attributes.
711 case TypeAttributes.Public:
714 case TypeAttributes.NotPublic:
716 // This test should probably use the declaringtype.
718 return check_type.Assembly == TypeBuilder.Assembly;
720 case TypeAttributes.NestedPublic:
723 case TypeAttributes.NestedPrivate:
724 return NestedAccessible (check_type);
726 case TypeAttributes.NestedFamily:
727 return FamilyAccessible (check_type);
729 case TypeAttributes.NestedFamANDAssem:
730 return (check_type.Assembly == TypeBuilder.Assembly) &&
731 FamilyAccessible (check_type);
733 case TypeAttributes.NestedFamORAssem:
734 return (check_type.Assembly == TypeBuilder.Assembly) ||
735 FamilyAccessible (check_type);
737 case TypeAttributes.NestedAssembly:
738 return check_type.Assembly == TypeBuilder.Assembly;
741 Console.WriteLine ("HERE: " + check_attr);
746 protected bool NestedAccessible (Type check_type)
748 Type declaring = check_type.DeclaringType;
749 return TypeBuilder == declaring ||
750 TypeManager.IsNestedChildOf (TypeBuilder, declaring);
753 protected bool FamilyAccessible (Type check_type)
755 Type declaring = check_type.DeclaringType;
756 return TypeManager.IsNestedFamilyAccessible (TypeBuilder, declaring);
759 // Access level of a type.
761 enum AccessLevel { // Each column represents `is this scope larger or equal to Blah scope'
762 // Public Assembly Protected
763 Protected = (0 << 0) | (0 << 1) | (X << 2),
764 Public = (X << 0) | (X << 1) | (X << 2),
765 Private = (0 << 0) | (0 << 1) | (0 << 2),
766 Internal = (0 << 0) | (X << 1) | (0 << 2),
767 ProtectedOrInternal = (0 << 0) | (X << 1) | (X << 2),
770 static AccessLevel GetAccessLevelFromModifiers (int flags)
772 if ((flags & Modifiers.INTERNAL) != 0) {
774 if ((flags & Modifiers.PROTECTED) != 0)
775 return AccessLevel.ProtectedOrInternal;
777 return AccessLevel.Internal;
779 } else if ((flags & Modifiers.PROTECTED) != 0)
780 return AccessLevel.Protected;
782 else if ((flags & Modifiers.PRIVATE) != 0)
783 return AccessLevel.Private;
786 return AccessLevel.Public;
789 // What is the effective access level of this?
791 AccessLevel EffectiveAccessLevel {
793 AccessLevel myAccess = GetAccessLevelFromModifiers (ModFlags);
794 if (!IsTopLevel && (Parent != null))
795 return myAccess & Parent.EffectiveAccessLevel;
801 // Return the access level for type `t'
802 static AccessLevel TypeEffectiveAccessLevel (Type t)
805 return AccessLevel.Public;
806 if (t.IsNestedPrivate)
807 return AccessLevel.Private;
809 return AccessLevel.Internal;
811 // By now, it must be nested
812 AccessLevel parentLevel = TypeEffectiveAccessLevel (t.DeclaringType);
814 if (t.IsNestedPublic)
816 if (t.IsNestedAssembly)
817 return parentLevel & AccessLevel.Internal;
818 if (t.IsNestedFamily)
819 return parentLevel & AccessLevel.Protected;
820 if (t.IsNestedFamORAssem)
821 return parentLevel & AccessLevel.ProtectedOrInternal;
822 if (t.IsNestedFamANDAssem)
823 throw new NotImplementedException ("NestedFamANDAssem not implemented, cant make this kind of type from c# anyways");
825 // nested private is taken care of
827 throw new Exception ("I give up, what are you?");
831 // This answers `is the type P, as accessible as a member M which has the
832 // accessability @flags which is declared as a nested member of the type T, this declspace'
834 public bool AsAccessible (Type p, int flags)
837 // 1) if M is private, its accessability is the same as this declspace.
838 // we already know that P is accessible to T before this method, so we
842 if ((flags & Modifiers.PRIVATE) != 0)
845 while (p.IsArray || p.IsPointer || p.IsByRef)
846 p = TypeManager.GetElementType (p);
848 AccessLevel pAccess = TypeEffectiveAccessLevel (p);
849 AccessLevel mAccess = this.EffectiveAccessLevel &
850 GetAccessLevelFromModifiers (flags);
852 // for every place from which we can access M, we must
853 // be able to access P as well. So, we want
854 // For every bit in M and P, M_i -> P_1 == true
855 // or, ~ (M -> P) == 0 <-> ~ ( ~M | P) == 0
857 return ~ (~ mAccess | pAccess) == 0;
860 public static void Error_AmbiguousTypeReference (Location loc, string name, string t1, string t2)
862 Report.Error (104, loc, "`{0}' is an ambiguous reference between `{1}' and `{2}'",
867 // Return the nested type with name @name. Ensures that the nested type
868 // is defined if necessary. Do _not_ use this when you have a MemberCache handy.
870 public virtual Type FindNestedType (string name)
875 private Type LookupNestedTypeInHierarchy (string name)
877 // if the member cache has been created, lets use it.
878 // the member cache is MUCH faster.
879 if (MemberCache != null)
880 return MemberCache.FindNestedType (name);
882 // no member cache. Do it the hard way -- reflection
884 for (Type current_type = TypeBuilder;
885 current_type != null && current_type != TypeManager.object_type;
886 current_type = current_type.BaseType) {
887 if (current_type is TypeBuilder) {
888 DeclSpace decl = this;
889 if (current_type != TypeBuilder)
890 decl = TypeManager.LookupDeclSpace (current_type);
891 t = decl.FindNestedType (name);
893 t = TypeManager.GetNestedType (current_type, name);
896 if (t != null && CheckAccessLevel (t))
904 // Public function used to locate types, this can only
905 // be used after the ResolveTree function has been invoked.
907 // Set 'ignore_cs0104' to true if you want to ignore cs0104 errors.
909 // Returns: Type or null if they type can not be found.
911 public FullNamedExpression LookupType (string name, Location loc, bool ignore_cs0104)
913 if (this is PartialContainer)
914 throw new InternalErrorException ("Should not get here");
916 if (Cache.Contains (name))
917 return (FullNamedExpression) Cache [name];
919 FullNamedExpression e;
920 Type t = LookupNestedTypeInHierarchy (name);
922 e = new TypeExpression (t, Location.Null);
923 else if (Parent != null && Parent != RootContext.Tree.Types)
924 e = Parent.LookupType (name, loc, ignore_cs0104);
926 e = NamespaceEntry.LookupNamespaceOrType (this, name, loc, ignore_cs0104);
933 /// This function is broken and not what you're looking for. It should only
934 /// be used while the type is still being created since it doesn't use the cache
935 /// and relies on the filter doing the member name check.
937 public abstract MemberList FindMembers (MemberTypes mt, BindingFlags bf,
938 MemberFilter filter, object criteria);
941 /// If we have a MemberCache, return it. This property may return null if the
942 /// class doesn't have a member cache or while it's still being created.
944 public abstract MemberCache MemberCache {
948 public override void ApplyAttributeBuilder (Attribute a, CustomAttributeBuilder cb)
950 if (a.Type == TypeManager.required_attr_type) {
951 Report.Error (1608, a.Location, "The RequiredAttribute attribute is not permitted on C# types");
954 TypeBuilder.SetCustomAttribute (cb);
958 /// Goes through class hierarchy and get value of first CLSCompliantAttribute that found.
959 /// If no is attribute exists then return assembly CLSCompliantAttribute.
961 public bool GetClsCompliantAttributeValue ()
963 if ((caching_flags & Flags.HasCompliantAttribute_Undetected) == 0)
964 return (caching_flags & Flags.ClsCompliantAttributeTrue) != 0;
966 caching_flags &= ~Flags.HasCompliantAttribute_Undetected;
968 if (OptAttributes != null) {
969 Attribute cls_attribute = OptAttributes.Search (TypeManager.cls_compliant_attribute_type, ec);
970 if (cls_attribute != null) {
971 caching_flags |= Flags.HasClsCompliantAttribute;
972 if (cls_attribute.GetClsCompliantAttributeValue (ec)) {
973 caching_flags |= Flags.ClsCompliantAttributeTrue;
980 if (Parent == null) {
981 if (CodeGen.Assembly.IsClsCompliant) {
982 caching_flags |= Flags.ClsCompliantAttributeTrue;
988 if (Parent.GetClsCompliantAttributeValue ()) {
989 caching_flags |= Flags.ClsCompliantAttributeTrue;
995 public override string[] ValidAttributeTargets {
997 return attribute_targets;
1001 bool IAlias.IsType {
1002 get { return true; }
1005 string IAlias.Name {
1006 get { return Name; }
1009 TypeExpr IAlias.ResolveAsType (EmitContext ec)
1011 if (TypeBuilder == null)
1012 throw new InvalidOperationException ();
1014 return new TypeExpression (TypeBuilder, Location);
1019 /// This is a readonly list of MemberInfo's.
1021 public class MemberList : IList {
1022 public readonly IList List;
1026 /// Create a new MemberList from the given IList.
1028 public MemberList (IList list)
1033 this.List = new ArrayList ();
1038 /// Concatenate the ILists `first' and `second' to a new MemberList.
1040 public MemberList (IList first, IList second)
1042 ArrayList list = new ArrayList ();
1043 list.AddRange (first);
1044 list.AddRange (second);
1049 public static readonly MemberList Empty = new MemberList (new ArrayList ());
1052 /// Cast the MemberList into a MemberInfo[] array.
1055 /// This is an expensive operation, only use it if it's really necessary.
1057 public static explicit operator MemberInfo [] (MemberList list)
1059 Timer.StartTimer (TimerType.MiscTimer);
1060 MemberInfo [] result = new MemberInfo [list.Count];
1061 list.CopyTo (result, 0);
1062 Timer.StopTimer (TimerType.MiscTimer);
1074 public bool IsSynchronized {
1076 return List.IsSynchronized;
1080 public object SyncRoot {
1082 return List.SyncRoot;
1086 public void CopyTo (Array array, int index)
1088 List.CopyTo (array, index);
1093 public IEnumerator GetEnumerator ()
1095 return List.GetEnumerator ();
1100 public bool IsFixedSize {
1106 public bool IsReadOnly {
1112 object IList.this [int index] {
1114 return List [index];
1118 throw new NotSupportedException ();
1122 // FIXME: try to find out whether we can avoid the cast in this indexer.
1123 public MemberInfo this [int index] {
1125 return (MemberInfo) List [index];
1129 public int Add (object value)
1131 throw new NotSupportedException ();
1134 public void Clear ()
1136 throw new NotSupportedException ();
1139 public bool Contains (object value)
1141 return List.Contains (value);
1144 public int IndexOf (object value)
1146 return List.IndexOf (value);
1149 public void Insert (int index, object value)
1151 throw new NotSupportedException ();
1154 public void Remove (object value)
1156 throw new NotSupportedException ();
1159 public void RemoveAt (int index)
1161 throw new NotSupportedException ();
1166 /// This interface is used to get all members of a class when creating the
1167 /// member cache. It must be implemented by all DeclSpace derivatives which
1168 /// want to support the member cache and by TypeHandle to get caching of
1169 /// non-dynamic types.
1171 public interface IMemberContainer {
1173 /// The name of the IMemberContainer. This is only used for
1174 /// debugging purposes.
1181 /// The type of this IMemberContainer.
1188 /// Returns the IMemberContainer of the base class or null if this
1189 /// is an interface or TypeManger.object_type.
1190 /// This is used when creating the member cache for a class to get all
1191 /// members from the base class.
1193 MemberCache BaseCache {
1198 /// Whether this is an interface.
1205 /// Returns all members of this class with the corresponding MemberTypes
1206 /// and BindingFlags.
1209 /// When implementing this method, make sure not to return any inherited
1210 /// members and check the MemberTypes and BindingFlags properly.
1211 /// Unfortunately, System.Reflection is lame and doesn't provide a way to
1212 /// get the BindingFlags (static/non-static,public/non-public) in the
1213 /// MemberInfo class, but the cache needs this information. That's why
1214 /// this method is called multiple times with different BindingFlags.
1216 MemberList GetMembers (MemberTypes mt, BindingFlags bf);
1219 /// Return the container's member cache.
1221 MemberCache MemberCache {
1227 /// The MemberCache is used by dynamic and non-dynamic types to speed up
1228 /// member lookups. It has a member name based hash table; it maps each member
1229 /// name to a list of CacheEntry objects. Each CacheEntry contains a MemberInfo
1230 /// and the BindingFlags that were initially used to get it. The cache contains
1231 /// all members of the current class and all inherited members. If this cache is
1232 /// for an interface types, it also contains all inherited members.
1234 /// There are two ways to get a MemberCache:
1235 /// * if this is a dynamic type, lookup the corresponding DeclSpace and then
1236 /// use the DeclSpace.MemberCache property.
1237 /// * if this not a dynamic type, call TypeHandle.GetTypeHandle() to get a
1238 /// TypeHandle instance for the type and then use TypeHandle.MemberCache.
1240 public class MemberCache {
1241 public readonly IMemberContainer Container;
1242 protected Hashtable member_hash;
1243 protected Hashtable method_hash;
1246 /// Create a new MemberCache for the given IMemberContainer `container'.
1248 public MemberCache (IMemberContainer container)
1250 this.Container = container;
1252 Timer.IncrementCounter (CounterType.MemberCache);
1253 Timer.StartTimer (TimerType.CacheInit);
1255 // If we have a base class (we have a base class unless we're
1256 // TypeManager.object_type), we deep-copy its MemberCache here.
1257 if (Container.BaseCache != null)
1258 member_hash = SetupCache (Container.BaseCache);
1260 member_hash = new Hashtable ();
1262 // If this is neither a dynamic type nor an interface, create a special
1263 // method cache with all declared and inherited methods.
1264 Type type = container.Type;
1265 if (!(type is TypeBuilder) && !type.IsInterface &&
1266 (Container.BaseCache == null || Container.BaseCache.method_hash != null)) {
1267 method_hash = new Hashtable ();
1271 // Add all members from the current class.
1272 AddMembers (Container);
1274 Timer.StopTimer (TimerType.CacheInit);
1277 public MemberCache (Type[] ifaces)
1280 // The members of this cache all belong to other caches.
1281 // So, 'Container' will not be used.
1283 this.Container = null;
1285 member_hash = new Hashtable ();
1289 foreach (Type itype in ifaces)
1290 AddCacheContents (TypeManager.LookupMemberCache (itype));
1294 /// Bootstrap this member cache by doing a deep-copy of our base.
1296 Hashtable SetupCache (MemberCache base_class)
1298 Hashtable hash = new Hashtable ();
1300 if (base_class == null)
1303 IDictionaryEnumerator it = base_class.member_hash.GetEnumerator ();
1304 while (it.MoveNext ()) {
1305 hash [it.Key] = ((ArrayList) it.Value).Clone ();
1312 /// Add the contents of `cache' to the member_hash.
1314 void AddCacheContents (MemberCache cache)
1316 IDictionaryEnumerator it = cache.member_hash.GetEnumerator ();
1317 while (it.MoveNext ()) {
1318 ArrayList list = (ArrayList) member_hash [it.Key];
1320 member_hash [it.Key] = list = new ArrayList ();
1322 ArrayList entries = (ArrayList) it.Value;
1323 for (int i = entries.Count-1; i >= 0; i--) {
1324 CacheEntry entry = (CacheEntry) entries [i];
1326 if (entry.Container != cache.Container)
1334 /// Add all members from class `container' to the cache.
1336 void AddMembers (IMemberContainer container)
1338 // We need to call AddMembers() with a single member type at a time
1339 // to get the member type part of CacheEntry.EntryType right.
1340 if (!container.IsInterface) {
1341 AddMembers (MemberTypes.Constructor, container);
1342 AddMembers (MemberTypes.Field, container);
1344 AddMembers (MemberTypes.Method, container);
1345 AddMembers (MemberTypes.Property, container);
1346 AddMembers (MemberTypes.Event, container);
1347 // Nested types are returned by both Static and Instance searches.
1348 AddMembers (MemberTypes.NestedType,
1349 BindingFlags.Static | BindingFlags.Public, container);
1350 AddMembers (MemberTypes.NestedType,
1351 BindingFlags.Static | BindingFlags.NonPublic, container);
1354 void AddMembers (MemberTypes mt, IMemberContainer container)
1356 AddMembers (mt, BindingFlags.Static | BindingFlags.Public, container);
1357 AddMembers (mt, BindingFlags.Static | BindingFlags.NonPublic, container);
1358 AddMembers (mt, BindingFlags.Instance | BindingFlags.Public, container);
1359 AddMembers (mt, BindingFlags.Instance | BindingFlags.NonPublic, container);
1363 /// Add all members from class `container' with the requested MemberTypes and
1364 /// BindingFlags to the cache. This method is called multiple times with different
1365 /// MemberTypes and BindingFlags.
1367 void AddMembers (MemberTypes mt, BindingFlags bf, IMemberContainer container)
1369 MemberList members = container.GetMembers (mt, bf);
1371 foreach (MemberInfo member in members) {
1372 string name = member.Name;
1374 // We use a name-based hash table of ArrayList's.
1375 ArrayList list = (ArrayList) member_hash [name];
1377 list = new ArrayList ();
1378 member_hash.Add (name, list);
1381 // When this method is called for the current class, the list will
1382 // already contain all inherited members from our base classes.
1383 // We cannot add new members in front of the list since this'd be an
1384 // expensive operation, that's why the list is sorted in reverse order
1385 // (ie. members from the current class are coming last).
1386 list.Add (new CacheEntry (container, member, mt, bf));
1391 /// Add all declared and inherited methods from class `type' to the method cache.
1393 void AddMethods (Type type)
1395 AddMethods (BindingFlags.Static | BindingFlags.Public |
1396 BindingFlags.FlattenHierarchy, type);
1397 AddMethods (BindingFlags.Static | BindingFlags.NonPublic |
1398 BindingFlags.FlattenHierarchy, type);
1399 AddMethods (BindingFlags.Instance | BindingFlags.Public, type);
1400 AddMethods (BindingFlags.Instance | BindingFlags.NonPublic, type);
1403 static ArrayList overrides = new ArrayList ();
1405 void AddMethods (BindingFlags bf, Type type)
1407 MethodBase [] members = type.GetMethods (bf);
1409 Array.Reverse (members);
1411 foreach (MethodBase member in members) {
1412 string name = member.Name;
1414 // We use a name-based hash table of ArrayList's.
1415 ArrayList list = (ArrayList) method_hash [name];
1417 list = new ArrayList ();
1418 method_hash.Add (name, list);
1421 MethodInfo curr = (MethodInfo) member;
1422 while (curr.IsVirtual && (curr.Attributes & MethodAttributes.NewSlot) == 0) {
1423 MethodInfo base_method = curr.GetBaseDefinition ();
1425 if (base_method == curr)
1426 // Not every virtual function needs to have a NewSlot flag.
1429 overrides.Add (curr);
1430 list.Add (new CacheEntry (null, base_method, MemberTypes.Method, bf));
1434 if (overrides.Count > 0) {
1435 for (int i = 0; i < overrides.Count; ++i)
1436 TypeManager.RegisterOverride ((MethodBase) overrides [i], curr);
1440 // Unfortunately, the elements returned by Type.GetMethods() aren't
1441 // sorted so we need to do this check for every member.
1442 BindingFlags new_bf = bf;
1443 if (member.DeclaringType == type)
1444 new_bf |= BindingFlags.DeclaredOnly;
1446 list.Add (new CacheEntry (Container, member, MemberTypes.Method, new_bf));
1451 /// Compute and return a appropriate `EntryType' magic number for the given
1452 /// MemberTypes and BindingFlags.
1454 protected static EntryType GetEntryType (MemberTypes mt, BindingFlags bf)
1456 EntryType type = EntryType.None;
1458 if ((mt & MemberTypes.Constructor) != 0)
1459 type |= EntryType.Constructor;
1460 if ((mt & MemberTypes.Event) != 0)
1461 type |= EntryType.Event;
1462 if ((mt & MemberTypes.Field) != 0)
1463 type |= EntryType.Field;
1464 if ((mt & MemberTypes.Method) != 0)
1465 type |= EntryType.Method;
1466 if ((mt & MemberTypes.Property) != 0)
1467 type |= EntryType.Property;
1468 // Nested types are returned by static and instance searches.
1469 if ((mt & MemberTypes.NestedType) != 0)
1470 type |= EntryType.NestedType | EntryType.Static | EntryType.Instance;
1472 if ((bf & BindingFlags.Instance) != 0)
1473 type |= EntryType.Instance;
1474 if ((bf & BindingFlags.Static) != 0)
1475 type |= EntryType.Static;
1476 if ((bf & BindingFlags.Public) != 0)
1477 type |= EntryType.Public;
1478 if ((bf & BindingFlags.NonPublic) != 0)
1479 type |= EntryType.NonPublic;
1480 if ((bf & BindingFlags.DeclaredOnly) != 0)
1481 type |= EntryType.Declared;
1487 /// The `MemberTypes' enumeration type is a [Flags] type which means that it may
1488 /// denote multiple member types. Returns true if the given flags value denotes a
1489 /// single member types.
1491 public static bool IsSingleMemberType (MemberTypes mt)
1494 case MemberTypes.Constructor:
1495 case MemberTypes.Event:
1496 case MemberTypes.Field:
1497 case MemberTypes.Method:
1498 case MemberTypes.Property:
1499 case MemberTypes.NestedType:
1508 /// We encode the MemberTypes and BindingFlags of each members in a "magic"
1509 /// number to speed up the searching process.
1512 protected enum EntryType {
1517 MaskStatic = Instance|Static,
1521 MaskProtection = Public|NonPublic,
1525 Constructor = 0x020,
1532 MaskType = Constructor|Event|Field|Method|Property|NestedType
1535 protected class CacheEntry {
1536 public readonly IMemberContainer Container;
1537 public readonly EntryType EntryType;
1538 public readonly MemberInfo Member;
1540 public CacheEntry (IMemberContainer container, MemberInfo member,
1541 MemberTypes mt, BindingFlags bf)
1543 this.Container = container;
1544 this.Member = member;
1545 this.EntryType = GetEntryType (mt, bf);
1548 public override string ToString ()
1550 return String.Format ("CacheEntry ({0}:{1}:{2})", Container.Name,
1556 /// This is called each time we're walking up one level in the class hierarchy
1557 /// and checks whether we can abort the search since we've already found what
1558 /// we were looking for.
1560 protected bool DoneSearching (ArrayList list)
1563 // We've found exactly one member in the current class and it's not
1564 // a method or constructor.
1566 if (list.Count == 1 && !(list [0] is MethodBase))
1570 // Multiple properties: we query those just to find out the indexer
1573 if ((list.Count > 0) && (list [0] is PropertyInfo))
1580 /// Looks up members with name `name'. If you provide an optional
1581 /// filter function, it'll only be called with members matching the
1582 /// requested member name.
1584 /// This method will try to use the cache to do the lookup if possible.
1586 /// Unlike other FindMembers implementations, this method will always
1587 /// check all inherited members - even when called on an interface type.
1589 /// If you know that you're only looking for methods, you should use
1590 /// MemberTypes.Method alone since this speeds up the lookup a bit.
1591 /// When doing a method-only search, it'll try to use a special method
1592 /// cache (unless it's a dynamic type or an interface) and the returned
1593 /// MemberInfo's will have the correct ReflectedType for inherited methods.
1594 /// The lookup process will automatically restart itself in method-only
1595 /// search mode if it discovers that it's about to return methods.
1597 ArrayList global = new ArrayList ();
1598 bool using_global = false;
1600 static MemberInfo [] emptyMemberInfo = new MemberInfo [0];
1602 public MemberInfo [] FindMembers (MemberTypes mt, BindingFlags bf, string name,
1603 MemberFilter filter, object criteria)
1606 throw new Exception ();
1608 bool declared_only = (bf & BindingFlags.DeclaredOnly) != 0;
1609 bool method_search = mt == MemberTypes.Method;
1610 // If we have a method cache and we aren't already doing a method-only search,
1611 // then we restart a method search if the first match is a method.
1612 bool do_method_search = !method_search && (method_hash != null);
1614 ArrayList applicable;
1616 // If this is a method-only search, we try to use the method cache if
1617 // possible; a lookup in the method cache will return a MemberInfo with
1618 // the correct ReflectedType for inherited methods.
1620 if (method_search && (method_hash != null))
1621 applicable = (ArrayList) method_hash [name];
1623 applicable = (ArrayList) member_hash [name];
1625 if (applicable == null)
1626 return emptyMemberInfo;
1629 // 32 slots gives 53 rss/54 size
1630 // 2/4 slots gives 55 rss
1632 // Strange: from 25,000 calls, only 1,800
1633 // are above 2. Why does this impact it?
1636 using_global = true;
1638 Timer.StartTimer (TimerType.CachedLookup);
1640 EntryType type = GetEntryType (mt, bf);
1642 IMemberContainer current = Container;
1645 // `applicable' is a list of all members with the given member name `name'
1646 // in the current class and all its base classes. The list is sorted in
1647 // reverse order due to the way how the cache is initialy created (to speed
1648 // things up, we're doing a deep-copy of our base).
1650 for (int i = applicable.Count-1; i >= 0; i--) {
1651 CacheEntry entry = (CacheEntry) applicable [i];
1653 // This happens each time we're walking one level up in the class
1654 // hierarchy. If we're doing a DeclaredOnly search, we must abort
1655 // the first time this happens (this may already happen in the first
1656 // iteration of this loop if there are no members with the name we're
1657 // looking for in the current class).
1658 if (entry.Container != current) {
1659 if (declared_only || DoneSearching (global))
1662 current = entry.Container;
1665 // Is the member of the correct type ?
1666 if ((entry.EntryType & type & EntryType.MaskType) == 0)
1669 // Is the member static/non-static ?
1670 if ((entry.EntryType & type & EntryType.MaskStatic) == 0)
1673 // Apply the filter to it.
1674 if (filter (entry.Member, criteria)) {
1675 if ((entry.EntryType & EntryType.MaskType) != EntryType.Method)
1676 do_method_search = false;
1677 global.Add (entry.Member);
1681 Timer.StopTimer (TimerType.CachedLookup);
1683 // If we have a method cache and we aren't already doing a method-only
1684 // search, we restart in method-only search mode if the first match is
1685 // a method. This ensures that we return a MemberInfo with the correct
1686 // ReflectedType for inherited methods.
1687 if (do_method_search && (global.Count > 0)){
1688 using_global = false;
1690 return FindMembers (MemberTypes.Method, bf, name, filter, criteria);
1693 using_global = false;
1694 MemberInfo [] copy = new MemberInfo [global.Count];
1695 global.CopyTo (copy);
1699 // find the nested type @name in @this.
1700 public Type FindNestedType (string name)
1702 ArrayList applicable = (ArrayList) member_hash [name];
1703 if (applicable == null)
1706 for (int i = applicable.Count-1; i >= 0; i--) {
1707 CacheEntry entry = (CacheEntry) applicable [i];
1708 if ((entry.EntryType & EntryType.NestedType & EntryType.MaskType) != 0)
1709 return (Type) entry.Member;
1716 // This finds the method or property for us to override. invocationType is the type where
1717 // the override is going to be declared, name is the name of the method/property, and
1718 // paramTypes is the parameters, if any to the method or property
1720 // Because the MemberCache holds members from this class and all the base classes,
1721 // we can avoid tons of reflection stuff.
1723 public MemberInfo FindMemberToOverride (Type invocationType, string name, Type [] paramTypes, bool is_property)
1725 ArrayList applicable;
1726 if (method_hash != null && !is_property)
1727 applicable = (ArrayList) method_hash [name];
1729 applicable = (ArrayList) member_hash [name];
1731 if (applicable == null)
1734 // Walk the chain of methods, starting from the top.
1736 for (int i = applicable.Count - 1; i >= 0; i--) {
1737 CacheEntry entry = (CacheEntry) applicable [i];
1739 if ((entry.EntryType & (is_property ? (EntryType.Property | EntryType.Field) : EntryType.Method)) == 0)
1742 PropertyInfo pi = null;
1743 MethodInfo mi = null;
1744 FieldInfo fi = null;
1745 Type [] cmpAttrs = null;
1748 if ((entry.EntryType & EntryType.Field) != 0) {
1749 fi = (FieldInfo)entry.Member;
1751 // TODO: For this case we ignore member type
1752 //fb = TypeManager.GetField (fi);
1753 //cmpAttrs = new Type[] { fb.MemberType };
1755 pi = (PropertyInfo) entry.Member;
1756 cmpAttrs = TypeManager.GetArgumentTypes (pi);
1759 mi = (MethodInfo) entry.Member;
1760 cmpAttrs = TypeManager.GetArgumentTypes (mi);
1764 // TODO: Almost duplicate !
1766 switch (fi.Attributes & FieldAttributes.FieldAccessMask) {
1767 case FieldAttributes.Private:
1769 // A private method is Ok if we are a nested subtype.
1770 // The spec actually is not very clear about this, see bug 52458.
1772 if (invocationType != entry.Container.Type &
1773 TypeManager.IsNestedChildOf (invocationType, entry.Container.Type))
1777 case FieldAttributes.FamANDAssem:
1778 case FieldAttributes.Assembly:
1780 // Check for assembly methods
1782 if (mi.DeclaringType.Assembly != CodeGen.Assembly.Builder)
1786 return entry.Member;
1790 // Check the arguments
1792 if (cmpAttrs.Length != paramTypes.Length)
1795 for (int j = cmpAttrs.Length - 1; j >= 0; j --)
1796 if (paramTypes [j] != cmpAttrs [j])
1800 // get one of the methods because this has the visibility info.
1803 mi = pi.GetGetMethod (true);
1805 mi = pi.GetSetMethod (true);
1811 switch (mi.Attributes & MethodAttributes.MemberAccessMask) {
1812 case MethodAttributes.Private:
1814 // A private method is Ok if we are a nested subtype.
1815 // The spec actually is not very clear about this, see bug 52458.
1817 if (invocationType == entry.Container.Type ||
1818 TypeManager.IsNestedChildOf (invocationType, entry.Container.Type))
1819 return entry.Member;
1822 case MethodAttributes.FamANDAssem:
1823 case MethodAttributes.Assembly:
1825 // Check for assembly methods
1827 if (mi.DeclaringType.Assembly == CodeGen.Assembly.Builder)
1828 return entry.Member;
1833 // A protected method is ok, because we are overriding.
1834 // public is always ok.
1836 return entry.Member;
1846 /// The method is looking for conflict with inherited symbols (errors CS0108, CS0109).
1847 /// We handle two cases. The first is for types without parameters (events, field, properties).
1848 /// The second are methods, indexers and this is why ignore_complex_types is here.
1849 /// The latest param is temporary hack. See DoDefineMembers method for more info.
1851 public MemberInfo FindMemberWithSameName (string name, bool ignore_complex_types, MemberInfo ignore_member)
1853 ArrayList applicable = null;
1855 if (method_hash != null)
1856 applicable = (ArrayList) method_hash [name];
1858 if (applicable != null) {
1859 for (int i = applicable.Count - 1; i >= 0; i--) {
1860 CacheEntry entry = (CacheEntry) applicable [i];
1861 if ((entry.EntryType & EntryType.Public) != 0)
1862 return entry.Member;
1866 if (member_hash == null)
1868 applicable = (ArrayList) member_hash [name];
1870 if (applicable != null) {
1871 for (int i = applicable.Count - 1; i >= 0; i--) {
1872 CacheEntry entry = (CacheEntry) applicable [i];
1873 if ((entry.EntryType & EntryType.Public) != 0 & entry.Member != ignore_member) {
1874 if (ignore_complex_types) {
1875 if ((entry.EntryType & EntryType.Method) != 0)
1878 // Does exist easier way how to detect indexer ?
1879 if ((entry.EntryType & EntryType.Property) != 0) {
1880 Type[] arg_types = TypeManager.GetArgumentTypes ((PropertyInfo)entry.Member);
1881 if (arg_types.Length > 0)
1885 return entry.Member;
1892 Hashtable locase_table;
1895 /// Builds low-case table for CLS Compliance test
1897 public Hashtable GetPublicMembers ()
1899 if (locase_table != null)
1900 return locase_table;
1902 locase_table = new Hashtable ();
1903 foreach (DictionaryEntry entry in member_hash) {
1904 ArrayList members = (ArrayList)entry.Value;
1905 for (int ii = 0; ii < members.Count; ++ii) {
1906 CacheEntry member_entry = (CacheEntry) members [ii];
1908 if ((member_entry.EntryType & EntryType.Public) == 0)
1911 // TODO: Does anyone know easier way how to detect that member is internal ?
1912 switch (member_entry.EntryType & EntryType.MaskType) {
1913 case EntryType.Constructor:
1916 case EntryType.Field:
1917 if ((((FieldInfo)member_entry.Member).Attributes & (FieldAttributes.Assembly | FieldAttributes.Public)) == FieldAttributes.Assembly)
1921 case EntryType.Method:
1922 if ((((MethodInfo)member_entry.Member).Attributes & (MethodAttributes.Assembly | MethodAttributes.Public)) == MethodAttributes.Assembly)
1926 case EntryType.Property:
1927 PropertyInfo pi = (PropertyInfo)member_entry.Member;
1928 if (pi.GetSetMethod () == null && pi.GetGetMethod () == null)
1932 case EntryType.Event:
1933 EventInfo ei = (EventInfo)member_entry.Member;
1934 MethodInfo mi = ei.GetAddMethod ();
1935 if ((mi.Attributes & (MethodAttributes.Assembly | MethodAttributes.Public)) == MethodAttributes.Assembly)
1939 string lcase = ((string)entry.Key).ToLower (System.Globalization.CultureInfo.InvariantCulture);
1940 locase_table [lcase] = member_entry.Member;
1944 return locase_table;
1947 public Hashtable Members {
1954 /// Cls compliance check whether methods or constructors parameters differing only in ref or out, or in array rank
1956 public void VerifyClsParameterConflict (ArrayList al, MethodCore method, MemberInfo this_builder)
1958 EntryType tested_type = (method is Constructor ? EntryType.Constructor : EntryType.Method) | EntryType.Public;
1960 for (int i = 0; i < al.Count; ++i) {
1961 MemberCache.CacheEntry entry = (MemberCache.CacheEntry) al [i];
1964 if (entry.Member == this_builder)
1967 if ((entry.EntryType & tested_type) != tested_type)
1970 MethodBase method_to_compare = (MethodBase)entry.Member;
1971 AttributeTester.Result result = AttributeTester.AreOverloadedMethodParamsClsCompliant (
1972 method.ParameterTypes, TypeManager.GetArgumentTypes (method_to_compare));
1974 if (result == AttributeTester.Result.Ok)
1977 IMethodData md = TypeManager.GetMethod (method_to_compare);
1979 // TODO: now we are ignoring CLSCompliance(false) on method from other assembly which is buggy.
1980 // However it is exactly what csc does.
1981 if (md != null && !md.IsClsCompliaceRequired (method.Parent))
1984 Report.SymbolRelatedToPreviousError (entry.Member);
1986 case AttributeTester.Result.RefOutArrayError:
1987 Report.Error (3006, method.Location, "Overloaded method `{0}' differing only in ref or out, or in array rank, is not CLS-compliant", method.GetSignatureForError ());
1989 case AttributeTester.Result.ArrayArrayError:
1990 Report.Error (3007, method.Location, "Overloaded method `{0}' differing only by unnamed array types is not CLS-compliant", method.GetSignatureForError ());
1994 throw new NotImplementedException (result.ToString ());