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 {
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)
47 : this (left, right.Name)
51 public string GetName ()
53 return GetName (false);
56 public string GetName (bool is_generic)
58 string name = is_generic ? Basename : Name;
60 return Left.GetName (is_generic) + "." + name;
66 /// This returns exclusively the name as seen on the source code
67 /// it is not the fully qualifed type after resolution
69 public string GetPartialName ()
72 return Left.GetPartialName () + "." + Name;
77 public string GetTypeName ()
80 return Left.GetTypeName () + "." + Name;
85 public Expression GetTypeExpression (Location loc)
88 Expression lexpr = Left.GetTypeExpression (loc);
90 return new MemberAccess (lexpr, Name, loc);
92 return new SimpleName (Name, loc);
96 public MemberName Clone ()
99 return new MemberName (Left.Clone (), Name);
101 return new MemberName (Name);
104 public string Basename {
110 public override string ToString ()
113 return Left + "." + Name;
120 /// Base representation for members. This is used to keep track
121 /// of Name, Location and Modifier flags, and handling Attributes.
123 public abstract class MemberCore : Attributable {
129 // !(this is GenericMethod) && !(this is Method)
130 return MemberName.GetName (false);
134 // Is not readonly because of IndexerName attribute
135 public MemberName MemberName;
138 /// Modifier flags that the user specified in the source code
142 public /*readonly*/ TypeContainer Parent;
145 /// Location where this declaration happens
147 public readonly Location Location;
150 /// XML documentation comment
152 public string DocComment;
155 /// Represents header string for documentation comment
156 /// for each member types.
158 public abstract string DocCommentHeader { get; }
162 Obsolete_Undetected = 1, // Obsolete attribute has not been detected yet
163 Obsolete = 1 << 1, // Type has obsolete attribute
164 ClsCompliance_Undetected = 1 << 2, // CLS Compliance has not been detected yet
165 ClsCompliant = 1 << 3, // Type is CLS Compliant
166 CloseTypeCreated = 1 << 4, // Tracks whether we have Closed the type
167 HasCompliantAttribute_Undetected = 1 << 5, // Presence of CLSCompliantAttribute has not been detected
168 HasClsCompliantAttribute = 1 << 6, // Type has CLSCompliantAttribute
169 ClsCompliantAttributeTrue = 1 << 7, // Type has CLSCompliant (true)
170 Excluded_Undetected = 1 << 8, // Conditional attribute has not been detected yet
171 Excluded = 1 << 9, // Method is conditional
172 TestMethodDuplication = 1 << 10 // Test for duplication must be performed
176 /// MemberCore flags at first detected then cached
178 internal Flags caching_flags;
180 public MemberCore (TypeContainer parent, MemberName name, Attributes attrs,
187 caching_flags = Flags.Obsolete_Undetected | Flags.ClsCompliance_Undetected | Flags.HasCompliantAttribute_Undetected | Flags.Excluded_Undetected;
191 /// Tests presence of ObsoleteAttribute and report proper error
193 protected void CheckUsageOfObsoleteAttribute (Type type)
198 ObsoleteAttribute obsolete_attr = AttributeTester.GetObsoleteAttribute (type);
199 if (obsolete_attr == null)
202 AttributeTester.Report_ObsoleteMessage (obsolete_attr, type.FullName, Location);
205 public abstract bool Define ();
208 // Returns full member name for error message
210 public virtual string GetSignatureForError ()
216 /// Use this method when MethodBuilder is null
218 public virtual string GetSignatureForError (TypeContainer tc)
224 /// Base Emit method. This is also entry point for CLS-Compliant verification.
226 public virtual void Emit ()
228 // Hack with Parent == null is for EnumMember
229 if (Parent == null || (GetObsoleteAttribute (Parent) == null && Parent.GetObsoleteAttribute (Parent) == null))
230 VerifyObsoleteAttribute ();
232 if (!RootContext.VerifyClsCompliance)
235 VerifyClsCompliance (Parent);
238 public bool InUnsafe {
240 return ((ModFlags & Modifiers.UNSAFE) != 0) || Parent.UnsafeContext;
245 // Whehter is it ok to use an unsafe pointer in this type container
247 public bool UnsafeOK (DeclSpace parent)
250 // First check if this MemberCore modifier flags has unsafe set
252 if ((ModFlags & Modifiers.UNSAFE) != 0)
255 if (parent.UnsafeContext)
258 Expression.UnsafeError (Location);
263 /// Returns instance of ObsoleteAttribute for this MemberCore
265 public ObsoleteAttribute GetObsoleteAttribute (DeclSpace ds)
267 // ((flags & (Flags.Obsolete_Undetected | Flags.Obsolete)) == 0) is slower, but why ?
268 if ((caching_flags & Flags.Obsolete_Undetected) == 0 && (caching_flags & Flags.Obsolete) == 0) {
272 caching_flags &= ~Flags.Obsolete_Undetected;
274 if (OptAttributes == null)
277 Attribute obsolete_attr = OptAttributes.Search (
278 TypeManager.obsolete_attribute_type, ds.EmitContext);
279 if (obsolete_attr == null)
282 ObsoleteAttribute obsolete = obsolete_attr.GetObsoleteAttribute (ds.EmitContext);
283 if (obsolete == null)
286 caching_flags |= Flags.Obsolete;
291 /// Analyze whether CLS-Compliant verification must be execute for this MemberCore.
293 public override bool IsClsCompliaceRequired (DeclSpace container)
295 if ((caching_flags & Flags.ClsCompliance_Undetected) == 0)
296 return (caching_flags & Flags.ClsCompliant) != 0;
298 if (GetClsCompliantAttributeValue (container) && IsExposedFromAssembly (container)) {
299 caching_flags &= ~Flags.ClsCompliance_Undetected;
300 caching_flags |= Flags.ClsCompliant;
304 caching_flags &= ~Flags.ClsCompliance_Undetected;
309 /// Returns true when MemberCore is exposed from assembly.
311 public bool IsExposedFromAssembly (DeclSpace ds)
313 if ((ModFlags & (Modifiers.PUBLIC | Modifiers.PROTECTED)) == 0)
316 DeclSpace parentContainer = ds;
317 while (parentContainer != null && parentContainer.ModFlags != 0) {
318 if ((parentContainer.ModFlags & (Modifiers.PUBLIC | Modifiers.PROTECTED)) == 0)
320 parentContainer = parentContainer.Parent;
326 /// Resolve CLSCompliantAttribute value or gets cached value.
328 bool GetClsCompliantAttributeValue (DeclSpace ds)
330 if (OptAttributes != null) {
331 Attribute cls_attribute = OptAttributes.Search (
332 TypeManager.cls_compliant_attribute_type, ds.EmitContext);
333 if (cls_attribute != null) {
334 caching_flags |= Flags.HasClsCompliantAttribute;
335 return cls_attribute.GetClsCompliantAttributeValue (ds.EmitContext);
338 return ds.GetClsCompliantAttributeValue ();
342 /// Returns true if MemberCore is explicitly marked with CLSCompliantAttribute
344 protected bool HasClsCompliantAttribute {
346 return (caching_flags & Flags.HasClsCompliantAttribute) != 0;
351 /// It helps to handle error 102 & 111 detection
353 public virtual bool MarkForDuplicationCheck ()
359 /// The main virtual method for CLS-Compliant verifications.
360 /// The method returns true if member is CLS-Compliant and false if member is not
361 /// CLS-Compliant which means that CLS-Compliant tests are not necessary. A descendants override it
362 /// and add their extra verifications.
364 protected virtual bool VerifyClsCompliance (DeclSpace ds)
366 if (!IsClsCompliaceRequired (ds)) {
367 if (HasClsCompliantAttribute && RootContext.WarningLevel >= 2) {
368 if (!IsExposedFromAssembly (ds))
369 Report.Warning (3019, Location, "CLS compliance checking will not be performed on '{0}' because it is private or internal", GetSignatureForError ());
370 if (!CodeGen.Assembly.IsClsCompliant)
371 Report.Warning (3021, Location, "'{0}' does not need a CLSCompliant attribute because the assembly does not have a CLSCompliant attribute", GetSignatureForError ());
376 if (!CodeGen.Assembly.IsClsCompliant) {
377 if (HasClsCompliantAttribute) {
378 Report.Error (3014, Location, "'{0}' cannot be marked as CLS-compliant because the assembly does not have a CLSCompliant attribute", GetSignatureForError ());
383 int index = Name.LastIndexOf ('.');
384 if (Name [index > 0 ? index + 1 : 0] == '_') {
385 Report.Error (3008, Location, "Identifier '{0}' is not CLS-compliant", GetSignatureForError () );
390 protected abstract void VerifyObsoleteAttribute ();
393 // Raised (and passed an XmlElement that contains the comment)
394 // when GenerateDocComment is writing documentation expectedly.
396 internal virtual void OnGenerateDocComment (DeclSpace ds, XmlElement intermediateNode)
401 // Returns a string that represents the signature for this
402 // member which should be used in XML documentation.
404 public virtual string GetDocCommentName (DeclSpace ds)
406 if (ds == null || this is DeclSpace)
407 return DocCommentHeader + Name;
409 return String.Concat (DocCommentHeader, ds.Name, ".", Name);
413 // Generates xml doc comments (if any), and if required,
414 // handle warning report.
416 internal virtual void GenerateDocComment (DeclSpace ds)
418 DocUtil.GenerateDocComment (this, ds);
423 /// Base class for structs, classes, enumerations and interfaces.
426 /// They all create new declaration spaces. This
427 /// provides the common foundation for managing those name
430 public abstract class DeclSpace : MemberCore, IAlias {
432 /// This points to the actual definition that is being
433 /// created with System.Reflection.Emit
435 public TypeBuilder TypeBuilder;
438 // This is the namespace in which this typecontainer
439 // was declared. We use this to resolve names.
441 public NamespaceEntry NamespaceEntry;
443 public Hashtable Cache = new Hashtable ();
445 public string Basename;
447 protected Hashtable defined_names;
449 // The emit context for toplevel objects.
450 protected EmitContext ec;
452 public EmitContext EmitContext {
456 static string[] attribute_targets = new string [] { "type" };
458 public DeclSpace (NamespaceEntry ns, TypeContainer parent, MemberName name,
459 Attributes attrs, Location l)
460 : base (parent, name, attrs, l)
463 Basename = name.Name;
464 defined_names = new Hashtable ();
468 /// Adds the member to defined_names table. It tests for duplications and enclosing name conflicts
470 protected bool AddToContainer (MemberCore symbol, string fullname, string basename)
472 if (basename == Basename && !(this is Interface)) {
473 Report.SymbolRelatedToPreviousError (this);
474 Report.Error (542, symbol.Location, "'{0}': member names cannot be the same as their enclosing type", symbol.GetSignatureForError ());
478 MemberCore mc = (MemberCore)defined_names [fullname];
481 defined_names.Add (fullname, symbol);
485 if (symbol.MarkForDuplicationCheck () && mc.MarkForDuplicationCheck ())
488 Report.SymbolRelatedToPreviousError (mc);
489 Report.Error (102, symbol.Location, "The type '{0}' already contains a definition for '{1}'", GetSignatureForError (), basename);
493 public void RecordDecl ()
495 if ((NamespaceEntry != null) && (Parent == RootContext.Tree.Types))
496 NamespaceEntry.DefineName (MemberName.Basename, this);
500 /// Returns the MemberCore associated with a given name in the declaration
501 /// space. It doesn't return method based symbols !!
504 public MemberCore GetDefinition (string name)
506 return (MemberCore)defined_names [name];
509 bool in_transit = false;
512 /// This function is used to catch recursive definitions
515 public bool InTransit {
526 /// Looks up the alias for the name
528 public IAlias LookupAlias (string name)
530 if (NamespaceEntry != null)
531 return NamespaceEntry.LookupAlias (name);
537 // root_types contains all the types. All TopLevel types
538 // hence have a parent that points to `root_types', that is
539 // why there is a non-obvious test down here.
541 public bool IsTopLevel {
544 if (Parent.Parent == null)
551 public virtual void CloseType ()
553 if ((caching_flags & Flags.CloseTypeCreated) == 0){
555 TypeBuilder.CreateType ();
558 // The try/catch is needed because
559 // nested enumerations fail to load when they
562 // Even if this is the right order (enumerations
563 // declared after types).
565 // Note that this still creates the type and
566 // it is possible to save it
568 caching_flags |= Flags.CloseTypeCreated;
573 /// Should be overriten by the appropriate declaration space
575 public abstract TypeBuilder DefineType ();
578 /// Define all members, but don't apply any attributes or do anything which may
579 /// access not-yet-defined classes. This method also creates the MemberCache.
581 public abstract bool DefineMembers (TypeContainer parent);
584 // Whether this is an `unsafe context'
586 public bool UnsafeContext {
588 if ((ModFlags & Modifiers.UNSAFE) != 0)
591 return Parent.UnsafeContext;
596 public static string MakeFQN (string nsn, string name)
600 return String.Concat (nsn, ".", name);
603 EmitContext type_resolve_ec;
606 // Resolves the expression `e' for a type, and will recursively define
607 // types. This should only be used for resolving base types.
609 public TypeExpr ResolveBaseTypeExpr (Expression e, bool silent, Location loc)
611 if (type_resolve_ec == null) {
612 // FIXME: I think this should really be one of:
614 // a. type_resolve_ec = Parent.EmitContext;
615 // b. type_resolve_ec = new EmitContext (Parent, Parent, loc, null, null, ModFlags, false);
617 // However, if Parent == RootContext.Tree.Types, its NamespaceEntry will be null.
619 type_resolve_ec = new EmitContext (Parent, this, loc, null, null, ModFlags, false);
620 type_resolve_ec.ResolvingTypeTree = true;
622 type_resolve_ec.loc = loc;
623 type_resolve_ec.ContainerType = TypeBuilder;
625 return e.ResolveAsTypeTerminal (type_resolve_ec, silent);
628 public bool CheckAccessLevel (Type check_type)
630 if (check_type == TypeBuilder)
633 TypeAttributes check_attr = check_type.Attributes & TypeAttributes.VisibilityMask;
636 // Broken Microsoft runtime, return public for arrays, no matter what
637 // the accessibility is for their underlying class, and they return
638 // NonPublic visibility for pointers
640 if (check_type.IsArray || check_type.IsPointer)
641 return CheckAccessLevel (TypeManager.GetElementType (check_type));
643 if (TypeBuilder == null)
644 // FIXME: TypeBuilder will be null when invoked by Class.GetNormalBases().
645 // However, this is invoked again later -- so safe to return true.
646 // May also be null when resolving top-level attributes.
650 case TypeAttributes.Public:
653 case TypeAttributes.NotPublic:
655 // This test should probably use the declaringtype.
657 return check_type.Assembly == TypeBuilder.Assembly;
659 case TypeAttributes.NestedPublic:
662 case TypeAttributes.NestedPrivate:
663 return NestedAccessible (check_type);
665 case TypeAttributes.NestedFamily:
666 return FamilyAccessible (check_type);
668 case TypeAttributes.NestedFamANDAssem:
669 return (check_type.Assembly == TypeBuilder.Assembly) &&
670 FamilyAccessible (check_type);
672 case TypeAttributes.NestedFamORAssem:
673 return (check_type.Assembly == TypeBuilder.Assembly) ||
674 FamilyAccessible (check_type);
676 case TypeAttributes.NestedAssembly:
677 return check_type.Assembly == TypeBuilder.Assembly;
680 Console.WriteLine ("HERE: " + check_attr);
685 protected bool NestedAccessible (Type check_type)
687 string check_type_name = check_type.FullName;
689 // At this point, we already know check_type is a nested class.
690 int cio = check_type_name.LastIndexOf ('+');
692 // Ensure that the string 'container' has a '+' in it to avoid false matches
693 string container = check_type_name.Substring (0, cio + 1);
695 // Ensure that type_name ends with a '+' so that it can match 'container', if necessary
696 string type_name = TypeBuilder.FullName + "+";
698 // If the current class is nested inside the container of check_type,
699 // we can access check_type even if it is private or protected.
700 return type_name.StartsWith (container);
703 protected bool FamilyAccessible (Type check_type)
705 Type declaring = check_type.DeclaringType;
706 if (TypeBuilder == declaring ||
707 TypeBuilder.IsSubclassOf (declaring))
710 return NestedAccessible (check_type);
713 // Access level of a type.
715 enum AccessLevel { // Each column represents `is this scope larger or equal to Blah scope'
716 // Public Assembly Protected
717 Protected = (0 << 0) | (0 << 1) | (X << 2),
718 Public = (X << 0) | (X << 1) | (X << 2),
719 Private = (0 << 0) | (0 << 1) | (0 << 2),
720 Internal = (0 << 0) | (X << 1) | (0 << 2),
721 ProtectedOrInternal = (0 << 0) | (X << 1) | (X << 2),
724 static AccessLevel GetAccessLevelFromModifiers (int flags)
726 if ((flags & Modifiers.INTERNAL) != 0) {
728 if ((flags & Modifiers.PROTECTED) != 0)
729 return AccessLevel.ProtectedOrInternal;
731 return AccessLevel.Internal;
733 } else if ((flags & Modifiers.PROTECTED) != 0)
734 return AccessLevel.Protected;
736 else if ((flags & Modifiers.PRIVATE) != 0)
737 return AccessLevel.Private;
740 return AccessLevel.Public;
743 // What is the effective access level of this?
745 AccessLevel EffectiveAccessLevel {
747 AccessLevel myAccess = GetAccessLevelFromModifiers (ModFlags);
748 if (!IsTopLevel && (Parent != null))
749 return myAccess & Parent.EffectiveAccessLevel;
755 // Return the access level for type `t'
756 static AccessLevel TypeEffectiveAccessLevel (Type t)
759 return AccessLevel.Public;
760 if (t.IsNestedPrivate)
761 return AccessLevel.Private;
763 return AccessLevel.Internal;
765 // By now, it must be nested
766 AccessLevel parentLevel = TypeEffectiveAccessLevel (t.DeclaringType);
768 if (t.IsNestedPublic)
770 if (t.IsNestedAssembly)
771 return parentLevel & AccessLevel.Internal;
772 if (t.IsNestedFamily)
773 return parentLevel & AccessLevel.Protected;
774 if (t.IsNestedFamORAssem)
775 return parentLevel & AccessLevel.ProtectedOrInternal;
776 if (t.IsNestedFamANDAssem)
777 throw new NotImplementedException ("NestedFamANDAssem not implemented, cant make this kind of type from c# anyways");
779 // nested private is taken care of
781 throw new Exception ("I give up, what are you?");
785 // This answers `is the type P, as accessible as a member M which has the
786 // accessability @flags which is declared as a nested member of the type T, this declspace'
788 public bool AsAccessible (Type p, int flags)
791 // 1) if M is private, its accessability is the same as this declspace.
792 // we already know that P is accessible to T before this method, so we
796 if ((flags & Modifiers.PRIVATE) != 0)
799 while (p.IsArray || p.IsPointer || p.IsByRef)
800 p = TypeManager.GetElementType (p);
802 AccessLevel pAccess = TypeEffectiveAccessLevel (p);
803 AccessLevel mAccess = this.EffectiveAccessLevel &
804 GetAccessLevelFromModifiers (flags);
806 // for every place from which we can access M, we must
807 // be able to access P as well. So, we want
808 // For every bit in M and P, M_i -> P_1 == true
809 // or, ~ (M -> P) == 0 <-> ~ ( ~M | P) == 0
811 return ~ (~ mAccess | pAccess) == 0;
814 static DoubleHash dh = new DoubleHash (1000);
816 Type DefineTypeAndParents (DeclSpace tc)
818 DeclSpace container = tc.Parent;
820 if (container.TypeBuilder == null && container.Name != "")
821 DefineTypeAndParents (container);
823 return tc.DefineType ();
826 Type LookupInterfaceOrClass (string ns, string name, out bool error)
833 int p = name.LastIndexOf ('.');
835 if (dh.Lookup (ns, name, out r))
839 // If the type is not a nested type, we do not need `LookupType's processing.
840 // If the @name does not have a `.' in it, this cant be a nested type.
843 if (Namespace.IsNamespace (ns)) {
845 t = TypeManager.LookupType (ns + "." + name);
847 t = TypeManager.LookupTypeDirect (ns + "." + name);
851 t = TypeManager.LookupType (name);
853 t = TypeManager.LookupTypeDirect (name);
857 dh.Insert (ns, name, t);
862 // In case we are fed a composite name, normalize it.
866 ns = MakeFQN (ns, name.Substring (0, p));
867 name = name.Substring (p+1);
870 parent = RootContext.Tree.LookupByNamespace (ns, name);
871 if (parent == null) {
872 dh.Insert (ns, name, null);
876 t = DefineTypeAndParents (parent);
882 dh.Insert (ns, name, t);
886 public static void Error_AmbiguousTypeReference (Location loc, string name, string t1, string t2)
888 Report.Error (104, loc,
889 "`{0}' is an ambiguous reference ({1} or {2})",
894 /// GetType is used to resolve type names at the DeclSpace level.
895 /// Use this to lookup class/struct bases, interface bases or
896 /// delegate type references
900 /// Contrast this to LookupType which is used inside method bodies to
901 /// lookup types that have already been defined. GetType is used
902 /// during the tree resolution process and potentially define
903 /// recursively the type
905 public Type FindType (Location loc, string name)
911 // For the case the type we are looking for is nested within this one
912 // or is in any base class
914 DeclSpace containing_ds = this;
916 while (containing_ds != null){
917 Type container_type = containing_ds.TypeBuilder;
918 Type current_type = container_type;
920 while (current_type != null && current_type != TypeManager.object_type) {
921 string pre = current_type.FullName;
923 t = LookupInterfaceOrClass (pre, name, out error);
927 if ((t != null) && containing_ds.CheckAccessLevel (t))
930 current_type = current_type.BaseType;
932 containing_ds = containing_ds.Parent;
936 // Attempt to lookup the class on our namespace and all it's implicit parents
938 for (NamespaceEntry ns = NamespaceEntry; ns != null; ns = ns.ImplicitParent) {
939 t = LookupInterfaceOrClass (ns.FullName, name, out error);
948 // Attempt to do a direct unqualified lookup
950 t = LookupInterfaceOrClass ("", name, out error);
958 // Attempt to lookup the class on any of the `using'
962 for (NamespaceEntry ns = NamespaceEntry; ns != null; ns = ns.Parent){
964 t = LookupInterfaceOrClass (ns.FullName, name, out error);
971 if (name.IndexOf ('.') > 0)
974 IAlias alias_value = ns.LookupAlias (name);
975 if (alias_value != null) {
976 t = LookupInterfaceOrClass ("", alias_value.Name, out error);
985 // Now check the using clause list
988 foreach (Namespace using_ns in ns.GetUsingTable ()) {
989 match = LookupInterfaceOrClass (using_ns.Name, name, out error);
995 if (CheckAccessLevel (match)) {
996 Error_AmbiguousTypeReference (loc, name, t.FullName, match.FullName);
1009 //Report.Error (246, Location, "Can not find type `"+name+"'");
1014 /// This function is broken and not what you're looking for. It should only
1015 /// be used while the type is still being created since it doesn't use the cache
1016 /// and relies on the filter doing the member name check.
1018 public abstract MemberList FindMembers (MemberTypes mt, BindingFlags bf,
1019 MemberFilter filter, object criteria);
1022 /// If we have a MemberCache, return it. This property may return null if the
1023 /// class doesn't have a member cache or while it's still being created.
1025 public abstract MemberCache MemberCache {
1029 public override void ApplyAttributeBuilder (Attribute a, CustomAttributeBuilder cb)
1032 TypeBuilder.SetCustomAttribute (cb);
1033 } catch (System.ArgumentException e) {
1034 Report.Warning (-21, a.Location,
1035 "The CharSet named property on StructLayout\n"+
1036 "\tdoes not work correctly on Microsoft.NET\n"+
1037 "\tYou might want to remove the CharSet declaration\n"+
1038 "\tor compile using the Mono runtime instead of the\n"+
1039 "\tMicrosoft .NET runtime\n"+
1040 "\tThe runtime gave the error: " + e);
1045 /// Goes through class hierarchy and get value of first CLSCompliantAttribute that found.
1046 /// If no is attribute exists then return assembly CLSCompliantAttribute.
1048 public bool GetClsCompliantAttributeValue ()
1050 if ((caching_flags & Flags.HasCompliantAttribute_Undetected) == 0)
1051 return (caching_flags & Flags.ClsCompliantAttributeTrue) != 0;
1053 caching_flags &= ~Flags.HasCompliantAttribute_Undetected;
1055 if (OptAttributes != null) {
1056 Attribute cls_attribute = OptAttributes.Search (TypeManager.cls_compliant_attribute_type, ec);
1057 if (cls_attribute != null) {
1058 caching_flags |= Flags.HasClsCompliantAttribute;
1059 if (cls_attribute.GetClsCompliantAttributeValue (ec)) {
1060 caching_flags |= Flags.ClsCompliantAttributeTrue;
1067 if (Parent == null) {
1068 if (CodeGen.Assembly.IsClsCompliant) {
1069 caching_flags |= Flags.ClsCompliantAttributeTrue;
1075 if (Parent.GetClsCompliantAttributeValue ()) {
1076 caching_flags |= Flags.ClsCompliantAttributeTrue;
1082 public override string[] ValidAttributeTargets {
1084 return attribute_targets;
1088 bool IAlias.IsType {
1089 get { return true; }
1092 string IAlias.Name {
1093 get { return Name; }
1096 TypeExpr IAlias.ResolveAsType (EmitContext ec)
1098 if (TypeBuilder == null)
1099 throw new InvalidOperationException ();
1101 return new TypeExpression (TypeBuilder, Location);
1106 /// This is a readonly list of MemberInfo's.
1108 public class MemberList : IList {
1109 public readonly IList List;
1113 /// Create a new MemberList from the given IList.
1115 public MemberList (IList list)
1120 this.List = new ArrayList ();
1125 /// Concatenate the ILists `first' and `second' to a new MemberList.
1127 public MemberList (IList first, IList second)
1129 ArrayList list = new ArrayList ();
1130 list.AddRange (first);
1131 list.AddRange (second);
1136 public static readonly MemberList Empty = new MemberList (new ArrayList ());
1139 /// Cast the MemberList into a MemberInfo[] array.
1142 /// This is an expensive operation, only use it if it's really necessary.
1144 public static explicit operator MemberInfo [] (MemberList list)
1146 Timer.StartTimer (TimerType.MiscTimer);
1147 MemberInfo [] result = new MemberInfo [list.Count];
1148 list.CopyTo (result, 0);
1149 Timer.StopTimer (TimerType.MiscTimer);
1161 public bool IsSynchronized {
1163 return List.IsSynchronized;
1167 public object SyncRoot {
1169 return List.SyncRoot;
1173 public void CopyTo (Array array, int index)
1175 List.CopyTo (array, index);
1180 public IEnumerator GetEnumerator ()
1182 return List.GetEnumerator ();
1187 public bool IsFixedSize {
1193 public bool IsReadOnly {
1199 object IList.this [int index] {
1201 return List [index];
1205 throw new NotSupportedException ();
1209 // FIXME: try to find out whether we can avoid the cast in this indexer.
1210 public MemberInfo this [int index] {
1212 return (MemberInfo) List [index];
1216 public int Add (object value)
1218 throw new NotSupportedException ();
1221 public void Clear ()
1223 throw new NotSupportedException ();
1226 public bool Contains (object value)
1228 return List.Contains (value);
1231 public int IndexOf (object value)
1233 return List.IndexOf (value);
1236 public void Insert (int index, object value)
1238 throw new NotSupportedException ();
1241 public void Remove (object value)
1243 throw new NotSupportedException ();
1246 public void RemoveAt (int index)
1248 throw new NotSupportedException ();
1253 /// This interface is used to get all members of a class when creating the
1254 /// member cache. It must be implemented by all DeclSpace derivatives which
1255 /// want to support the member cache and by TypeHandle to get caching of
1256 /// non-dynamic types.
1258 public interface IMemberContainer {
1260 /// The name of the IMemberContainer. This is only used for
1261 /// debugging purposes.
1268 /// The type of this IMemberContainer.
1275 /// Returns the IMemberContainer of the base class or null if this
1276 /// is an interface or TypeManger.object_type.
1277 /// This is used when creating the member cache for a class to get all
1278 /// members from the base class.
1280 MemberCache BaseCache {
1285 /// Whether this is an interface.
1292 /// Returns all members of this class with the corresponding MemberTypes
1293 /// and BindingFlags.
1296 /// When implementing this method, make sure not to return any inherited
1297 /// members and check the MemberTypes and BindingFlags properly.
1298 /// Unfortunately, System.Reflection is lame and doesn't provide a way to
1299 /// get the BindingFlags (static/non-static,public/non-public) in the
1300 /// MemberInfo class, but the cache needs this information. That's why
1301 /// this method is called multiple times with different BindingFlags.
1303 MemberList GetMembers (MemberTypes mt, BindingFlags bf);
1306 /// Return the container's member cache.
1308 MemberCache MemberCache {
1314 /// The MemberCache is used by dynamic and non-dynamic types to speed up
1315 /// member lookups. It has a member name based hash table; it maps each member
1316 /// name to a list of CacheEntry objects. Each CacheEntry contains a MemberInfo
1317 /// and the BindingFlags that were initially used to get it. The cache contains
1318 /// all members of the current class and all inherited members. If this cache is
1319 /// for an interface types, it also contains all inherited members.
1321 /// There are two ways to get a MemberCache:
1322 /// * if this is a dynamic type, lookup the corresponding DeclSpace and then
1323 /// use the DeclSpace.MemberCache property.
1324 /// * if this not a dynamic type, call TypeHandle.GetTypeHandle() to get a
1325 /// TypeHandle instance for the type and then use TypeHandle.MemberCache.
1327 public class MemberCache {
1328 public readonly IMemberContainer Container;
1329 protected Hashtable member_hash;
1330 protected Hashtable method_hash;
1333 /// Create a new MemberCache for the given IMemberContainer `container'.
1335 public MemberCache (IMemberContainer container)
1337 this.Container = container;
1339 Timer.IncrementCounter (CounterType.MemberCache);
1340 Timer.StartTimer (TimerType.CacheInit);
1342 // If we have a base class (we have a base class unless we're
1343 // TypeManager.object_type), we deep-copy its MemberCache here.
1344 if (Container.BaseCache != null)
1345 member_hash = SetupCache (Container.BaseCache);
1347 member_hash = new Hashtable ();
1349 // If this is neither a dynamic type nor an interface, create a special
1350 // method cache with all declared and inherited methods.
1351 Type type = container.Type;
1352 if (!(type is TypeBuilder) && !type.IsInterface) {
1353 method_hash = new Hashtable ();
1357 // Add all members from the current class.
1358 AddMembers (Container);
1360 Timer.StopTimer (TimerType.CacheInit);
1363 public MemberCache (Type[] ifaces)
1366 // The members of this cache all belong to other caches.
1367 // So, 'Container' will not be used.
1369 this.Container = null;
1371 member_hash = new Hashtable ();
1375 foreach (Type itype in ifaces)
1376 AddCacheContents (TypeManager.LookupMemberCache (itype));
1380 /// Bootstrap this member cache by doing a deep-copy of our base.
1382 Hashtable SetupCache (MemberCache base_class)
1384 Hashtable hash = new Hashtable ();
1386 if (base_class == null)
1389 IDictionaryEnumerator it = base_class.member_hash.GetEnumerator ();
1390 while (it.MoveNext ()) {
1391 hash [it.Key] = ((ArrayList) it.Value).Clone ();
1398 /// Add the contents of `cache' to the member_hash.
1400 void AddCacheContents (MemberCache cache)
1402 IDictionaryEnumerator it = cache.member_hash.GetEnumerator ();
1403 while (it.MoveNext ()) {
1404 ArrayList list = (ArrayList) member_hash [it.Key];
1406 member_hash [it.Key] = list = new ArrayList ();
1408 ArrayList entries = (ArrayList) it.Value;
1409 for (int i = entries.Count-1; i >= 0; i--) {
1410 CacheEntry entry = (CacheEntry) entries [i];
1412 if (entry.Container != cache.Container)
1420 /// Add all members from class `container' to the cache.
1422 void AddMembers (IMemberContainer container)
1424 // We need to call AddMembers() with a single member type at a time
1425 // to get the member type part of CacheEntry.EntryType right.
1426 if (!container.IsInterface) {
1427 AddMembers (MemberTypes.Constructor, container);
1428 AddMembers (MemberTypes.Field, container);
1430 AddMembers (MemberTypes.Method, container);
1431 AddMembers (MemberTypes.Property, container);
1432 AddMembers (MemberTypes.Event, container);
1433 // Nested types are returned by both Static and Instance searches.
1434 AddMembers (MemberTypes.NestedType,
1435 BindingFlags.Static | BindingFlags.Public, container);
1436 AddMembers (MemberTypes.NestedType,
1437 BindingFlags.Static | BindingFlags.NonPublic, container);
1440 void AddMembers (MemberTypes mt, IMemberContainer container)
1442 AddMembers (mt, BindingFlags.Static | BindingFlags.Public, container);
1443 AddMembers (mt, BindingFlags.Static | BindingFlags.NonPublic, container);
1444 AddMembers (mt, BindingFlags.Instance | BindingFlags.Public, container);
1445 AddMembers (mt, BindingFlags.Instance | BindingFlags.NonPublic, container);
1449 /// Add all members from class `container' with the requested MemberTypes and
1450 /// BindingFlags to the cache. This method is called multiple times with different
1451 /// MemberTypes and BindingFlags.
1453 void AddMembers (MemberTypes mt, BindingFlags bf, IMemberContainer container)
1455 MemberList members = container.GetMembers (mt, bf);
1457 foreach (MemberInfo member in members) {
1458 string name = member.Name;
1460 // We use a name-based hash table of ArrayList's.
1461 ArrayList list = (ArrayList) member_hash [name];
1463 list = new ArrayList ();
1464 member_hash.Add (name, list);
1467 // When this method is called for the current class, the list will
1468 // already contain all inherited members from our base classes.
1469 // We cannot add new members in front of the list since this'd be an
1470 // expensive operation, that's why the list is sorted in reverse order
1471 // (ie. members from the current class are coming last).
1472 list.Add (new CacheEntry (container, member, mt, bf));
1477 /// Add all declared and inherited methods from class `type' to the method cache.
1479 void AddMethods (Type type)
1481 AddMethods (BindingFlags.Static | BindingFlags.Public |
1482 BindingFlags.FlattenHierarchy, type);
1483 AddMethods (BindingFlags.Static | BindingFlags.NonPublic |
1484 BindingFlags.FlattenHierarchy, type);
1485 AddMethods (BindingFlags.Instance | BindingFlags.Public, type);
1486 AddMethods (BindingFlags.Instance | BindingFlags.NonPublic, type);
1489 void AddMethods (BindingFlags bf, Type type)
1491 MemberInfo [] members = type.GetMethods (bf);
1493 Array.Reverse (members);
1495 foreach (MethodBase member in members) {
1496 string name = member.Name;
1498 // We use a name-based hash table of ArrayList's.
1499 ArrayList list = (ArrayList) method_hash [name];
1501 list = new ArrayList ();
1502 method_hash.Add (name, list);
1505 // Unfortunately, the elements returned by Type.GetMethods() aren't
1506 // sorted so we need to do this check for every member.
1507 BindingFlags new_bf = bf;
1508 if (member.DeclaringType == type)
1509 new_bf |= BindingFlags.DeclaredOnly;
1511 list.Add (new CacheEntry (Container, member, MemberTypes.Method, new_bf));
1518 /// Compute and return a appropriate `EntryType' magic number for the given
1519 /// MemberTypes and BindingFlags.
1521 protected static EntryType GetEntryType (MemberTypes mt, BindingFlags bf)
1523 EntryType type = EntryType.None;
1525 if ((mt & MemberTypes.Constructor) != 0)
1526 type |= EntryType.Constructor;
1527 if ((mt & MemberTypes.Event) != 0)
1528 type |= EntryType.Event;
1529 if ((mt & MemberTypes.Field) != 0)
1530 type |= EntryType.Field;
1531 if ((mt & MemberTypes.Method) != 0)
1532 type |= EntryType.Method;
1533 if ((mt & MemberTypes.Property) != 0)
1534 type |= EntryType.Property;
1535 // Nested types are returned by static and instance searches.
1536 if ((mt & MemberTypes.NestedType) != 0)
1537 type |= EntryType.NestedType | EntryType.Static | EntryType.Instance;
1539 if ((bf & BindingFlags.Instance) != 0)
1540 type |= EntryType.Instance;
1541 if ((bf & BindingFlags.Static) != 0)
1542 type |= EntryType.Static;
1543 if ((bf & BindingFlags.Public) != 0)
1544 type |= EntryType.Public;
1545 if ((bf & BindingFlags.NonPublic) != 0)
1546 type |= EntryType.NonPublic;
1547 if ((bf & BindingFlags.DeclaredOnly) != 0)
1548 type |= EntryType.Declared;
1554 /// The `MemberTypes' enumeration type is a [Flags] type which means that it may
1555 /// denote multiple member types. Returns true if the given flags value denotes a
1556 /// single member types.
1558 public static bool IsSingleMemberType (MemberTypes mt)
1561 case MemberTypes.Constructor:
1562 case MemberTypes.Event:
1563 case MemberTypes.Field:
1564 case MemberTypes.Method:
1565 case MemberTypes.Property:
1566 case MemberTypes.NestedType:
1575 /// We encode the MemberTypes and BindingFlags of each members in a "magic"
1576 /// number to speed up the searching process.
1579 protected enum EntryType {
1584 MaskStatic = Instance|Static,
1588 MaskProtection = Public|NonPublic,
1592 Constructor = 0x020,
1599 MaskType = Constructor|Event|Field|Method|Property|NestedType
1602 protected struct CacheEntry {
1603 public readonly IMemberContainer Container;
1604 public readonly EntryType EntryType;
1605 public readonly MemberInfo Member;
1607 public CacheEntry (IMemberContainer container, MemberInfo member,
1608 MemberTypes mt, BindingFlags bf)
1610 this.Container = container;
1611 this.Member = member;
1612 this.EntryType = GetEntryType (mt, bf);
1615 public override string ToString ()
1617 return String.Format ("CacheEntry ({0}:{1}:{2})", Container.Name,
1623 /// This is called each time we're walking up one level in the class hierarchy
1624 /// and checks whether we can abort the search since we've already found what
1625 /// we were looking for.
1627 protected bool DoneSearching (ArrayList list)
1630 // We've found exactly one member in the current class and it's not
1631 // a method or constructor.
1633 if (list.Count == 1 && !(list [0] is MethodBase))
1637 // Multiple properties: we query those just to find out the indexer
1640 if ((list.Count > 0) && (list [0] is PropertyInfo))
1647 /// Looks up members with name `name'. If you provide an optional
1648 /// filter function, it'll only be called with members matching the
1649 /// requested member name.
1651 /// This method will try to use the cache to do the lookup if possible.
1653 /// Unlike other FindMembers implementations, this method will always
1654 /// check all inherited members - even when called on an interface type.
1656 /// If you know that you're only looking for methods, you should use
1657 /// MemberTypes.Method alone since this speeds up the lookup a bit.
1658 /// When doing a method-only search, it'll try to use a special method
1659 /// cache (unless it's a dynamic type or an interface) and the returned
1660 /// MemberInfo's will have the correct ReflectedType for inherited methods.
1661 /// The lookup process will automatically restart itself in method-only
1662 /// search mode if it discovers that it's about to return methods.
1664 ArrayList global = new ArrayList ();
1665 bool using_global = false;
1667 static MemberInfo [] emptyMemberInfo = new MemberInfo [0];
1669 public MemberInfo [] FindMembers (MemberTypes mt, BindingFlags bf, string name,
1670 MemberFilter filter, object criteria)
1673 throw new Exception ();
1675 bool declared_only = (bf & BindingFlags.DeclaredOnly) != 0;
1676 bool method_search = mt == MemberTypes.Method;
1677 // If we have a method cache and we aren't already doing a method-only search,
1678 // then we restart a method search if the first match is a method.
1679 bool do_method_search = !method_search && (method_hash != null);
1681 ArrayList applicable;
1683 // If this is a method-only search, we try to use the method cache if
1684 // possible; a lookup in the method cache will return a MemberInfo with
1685 // the correct ReflectedType for inherited methods.
1687 if (method_search && (method_hash != null))
1688 applicable = (ArrayList) method_hash [name];
1690 applicable = (ArrayList) member_hash [name];
1692 if (applicable == null)
1693 return emptyMemberInfo;
1696 // 32 slots gives 53 rss/54 size
1697 // 2/4 slots gives 55 rss
1699 // Strange: from 25,000 calls, only 1,800
1700 // are above 2. Why does this impact it?
1703 using_global = true;
1705 Timer.StartTimer (TimerType.CachedLookup);
1707 EntryType type = GetEntryType (mt, bf);
1709 IMemberContainer current = Container;
1712 // `applicable' is a list of all members with the given member name `name'
1713 // in the current class and all its base classes. The list is sorted in
1714 // reverse order due to the way how the cache is initialy created (to speed
1715 // things up, we're doing a deep-copy of our base).
1717 for (int i = applicable.Count-1; i >= 0; i--) {
1718 CacheEntry entry = (CacheEntry) applicable [i];
1720 // This happens each time we're walking one level up in the class
1721 // hierarchy. If we're doing a DeclaredOnly search, we must abort
1722 // the first time this happens (this may already happen in the first
1723 // iteration of this loop if there are no members with the name we're
1724 // looking for in the current class).
1725 if (entry.Container != current) {
1726 if (declared_only || DoneSearching (global))
1729 current = entry.Container;
1732 // Is the member of the correct type ?
1733 if ((entry.EntryType & type & EntryType.MaskType) == 0)
1736 // Is the member static/non-static ?
1737 if ((entry.EntryType & type & EntryType.MaskStatic) == 0)
1740 // Apply the filter to it.
1741 if (filter (entry.Member, criteria)) {
1742 if ((entry.EntryType & EntryType.MaskType) != EntryType.Method)
1743 do_method_search = false;
1744 global.Add (entry.Member);
1748 Timer.StopTimer (TimerType.CachedLookup);
1750 // If we have a method cache and we aren't already doing a method-only
1751 // search, we restart in method-only search mode if the first match is
1752 // a method. This ensures that we return a MemberInfo with the correct
1753 // ReflectedType for inherited methods.
1754 if (do_method_search && (global.Count > 0)){
1755 using_global = false;
1757 return FindMembers (MemberTypes.Method, bf, name, filter, criteria);
1760 using_global = false;
1761 MemberInfo [] copy = new MemberInfo [global.Count];
1762 global.CopyTo (copy);
1766 // find the nested type @name in @this.
1767 public Type FindNestedType (string name)
1769 ArrayList applicable = (ArrayList) member_hash [name];
1770 if (applicable == null)
1773 for (int i = applicable.Count-1; i >= 0; i--) {
1774 CacheEntry entry = (CacheEntry) applicable [i];
1775 if ((entry.EntryType & EntryType.NestedType & EntryType.MaskType) != 0)
1776 return (Type) entry.Member;
1783 // This finds the method or property for us to override. invocationType is the type where
1784 // the override is going to be declared, name is the name of the method/property, and
1785 // paramTypes is the parameters, if any to the method or property
1787 // Because the MemberCache holds members from this class and all the base classes,
1788 // we can avoid tons of reflection stuff.
1790 public MemberInfo FindMemberToOverride (Type invocationType, string name, Type [] paramTypes, bool is_property)
1792 ArrayList applicable;
1793 if (method_hash != null && !is_property)
1794 applicable = (ArrayList) method_hash [name];
1796 applicable = (ArrayList) member_hash [name];
1798 if (applicable == null)
1801 // Walk the chain of methods, starting from the top.
1803 for (int i = applicable.Count - 1; i >= 0; i--) {
1804 CacheEntry entry = (CacheEntry) applicable [i];
1806 if ((entry.EntryType & (is_property ? (EntryType.Property | EntryType.Field) : EntryType.Method)) == 0)
1809 PropertyInfo pi = null;
1810 MethodInfo mi = null;
1811 FieldInfo fi = null;
1812 Type [] cmpAttrs = null;
1815 if ((entry.EntryType & EntryType.Field) != 0) {
1816 fi = (FieldInfo)entry.Member;
1818 // TODO: For this case we ignore member type
1819 //fb = TypeManager.GetField (fi);
1820 //cmpAttrs = new Type[] { fb.MemberType };
1822 pi = (PropertyInfo) entry.Member;
1823 cmpAttrs = TypeManager.GetArgumentTypes (pi);
1826 mi = (MethodInfo) entry.Member;
1827 cmpAttrs = TypeManager.GetArgumentTypes (mi);
1831 // TODO: Almost duplicate !
1833 switch (fi.Attributes & FieldAttributes.FieldAccessMask) {
1834 case FieldAttributes.Private:
1836 // A private method is Ok if we are a nested subtype.
1837 // The spec actually is not very clear about this, see bug 52458.
1839 if (invocationType != entry.Container.Type &
1840 TypeManager.IsNestedChildOf (invocationType, entry.Container.Type))
1844 case FieldAttributes.FamANDAssem:
1845 case FieldAttributes.Assembly:
1847 // Check for assembly methods
1849 if (mi.DeclaringType.Assembly != CodeGen.Assembly.Builder)
1853 return entry.Member;
1857 // Check the arguments
1859 if (cmpAttrs.Length != paramTypes.Length)
1862 for (int j = cmpAttrs.Length - 1; j >= 0; j --)
1863 if (paramTypes [j] != cmpAttrs [j])
1867 // get one of the methods because this has the visibility info.
1870 mi = pi.GetGetMethod (true);
1872 mi = pi.GetSetMethod (true);
1878 switch (mi.Attributes & MethodAttributes.MemberAccessMask) {
1879 case MethodAttributes.Private:
1881 // A private method is Ok if we are a nested subtype.
1882 // The spec actually is not very clear about this, see bug 52458.
1884 if (invocationType == entry.Container.Type ||
1885 TypeManager.IsNestedChildOf (invocationType, entry.Container.Type))
1886 return entry.Member;
1889 case MethodAttributes.FamANDAssem:
1890 case MethodAttributes.Assembly:
1892 // Check for assembly methods
1894 if (mi.DeclaringType.Assembly == CodeGen.Assembly.Builder)
1895 return entry.Member;
1900 // A protected method is ok, because we are overriding.
1901 // public is always ok.
1903 return entry.Member;
1913 /// The method is looking for conflict with inherited symbols (errors CS0108, CS0109).
1914 /// We handle two cases. The first is for types without parameters (events, field, properties).
1915 /// The second are methods, indexers and this is why ignore_complex_types is here.
1916 /// The latest param is temporary hack. See DoDefineMembers method for more info.
1918 public MemberInfo FindMemberWithSameName (string name, bool ignore_complex_types, MemberInfo ignore_member)
1920 ArrayList applicable = null;
1922 if (method_hash != null)
1923 applicable = (ArrayList) method_hash [name];
1925 if (applicable != null) {
1926 for (int i = applicable.Count - 1; i >= 0; i--) {
1927 CacheEntry entry = (CacheEntry) applicable [i];
1928 if ((entry.EntryType & EntryType.Public) != 0)
1929 return entry.Member;
1933 if (member_hash == null)
1935 applicable = (ArrayList) member_hash [name];
1937 if (applicable != null) {
1938 for (int i = applicable.Count - 1; i >= 0; i--) {
1939 CacheEntry entry = (CacheEntry) applicable [i];
1940 if ((entry.EntryType & EntryType.Public) != 0 & entry.Member != ignore_member) {
1941 if (ignore_complex_types) {
1942 if ((entry.EntryType & EntryType.Method) != 0)
1945 // Does exist easier way how to detect indexer ?
1946 if ((entry.EntryType & EntryType.Property) != 0) {
1947 Type[] arg_types = TypeManager.GetArgumentTypes ((PropertyInfo)entry.Member);
1948 if (arg_types.Length > 0)
1952 return entry.Member;
1959 Hashtable locase_table;
1962 /// Builds low-case table for CLS Compliance test
1964 public Hashtable GetPublicMembers ()
1966 if (locase_table != null)
1967 return locase_table;
1969 locase_table = new Hashtable ();
1970 foreach (DictionaryEntry entry in member_hash) {
1971 ArrayList members = (ArrayList)entry.Value;
1972 for (int ii = 0; ii < members.Count; ++ii) {
1973 CacheEntry member_entry = (CacheEntry) members [ii];
1975 if ((member_entry.EntryType & EntryType.Public) == 0)
1978 // TODO: Does anyone know easier way how to detect that member is internal ?
1979 switch (member_entry.EntryType & EntryType.MaskType) {
1980 case EntryType.Constructor:
1983 case EntryType.Field:
1984 if ((((FieldInfo)member_entry.Member).Attributes & (FieldAttributes.Assembly | FieldAttributes.Public)) == FieldAttributes.Assembly)
1988 case EntryType.Method:
1989 if ((((MethodInfo)member_entry.Member).Attributes & (MethodAttributes.Assembly | MethodAttributes.Public)) == MethodAttributes.Assembly)
1993 case EntryType.Property:
1994 PropertyInfo pi = (PropertyInfo)member_entry.Member;
1995 if (pi.GetSetMethod () == null && pi.GetGetMethod () == null)
1999 case EntryType.Event:
2000 EventInfo ei = (EventInfo)member_entry.Member;
2001 MethodInfo mi = ei.GetAddMethod ();
2002 if ((mi.Attributes & (MethodAttributes.Assembly | MethodAttributes.Public)) == MethodAttributes.Assembly)
2006 string lcase = ((string)entry.Key).ToLower (System.Globalization.CultureInfo.InvariantCulture);
2007 locase_table [lcase] = member_entry.Member;
2011 return locase_table;
2014 public Hashtable Members {
2021 /// Cls compliance check whether methods or constructors parameters differing only in ref or out, or in array rank
2023 public void VerifyClsParameterConflict (ArrayList al, MethodCore method, MemberInfo this_builder)
2025 EntryType tested_type = (method is Constructor ? EntryType.Constructor : EntryType.Method) | EntryType.Public;
2027 for (int i = 0; i < al.Count; ++i) {
2028 MemberCache.CacheEntry entry = (MemberCache.CacheEntry) al [i];
2031 if (entry.Member == this_builder)
2034 if ((entry.EntryType & tested_type) != tested_type)
2037 MethodBase method_to_compare = (MethodBase)entry.Member;
2038 if (AttributeTester.AreOverloadedMethodParamsClsCompliant (method.ParameterTypes, TypeManager.GetArgumentTypes (method_to_compare)))
2041 IMethodData md = TypeManager.GetMethod (method_to_compare);
2043 // TODO: now we are ignoring CLSCompliance(false) on method from other assembly which is buggy.
2044 // However it is exactly what csc does.
2045 if (md != null && !md.IsClsCompliaceRequired (method.Parent))
2048 Report.SymbolRelatedToPreviousError (entry.Member);
2049 Report.Error (3006, method.Location, "Overloaded method '{0}' differing only in ref or out, or in array rank, is not CLS-compliant", method.GetSignatureForError ());