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 /// The main virtual method for CLS-Compliant verifications.
352 /// The method returns true if member is CLS-Compliant and false if member is not
353 /// CLS-Compliant which means that CLS-Compliant tests are not necessary. A descendants override it
354 /// and add their extra verifications.
356 protected virtual bool VerifyClsCompliance (DeclSpace ds)
358 if (!IsClsCompliaceRequired (ds)) {
359 if (HasClsCompliantAttribute && RootContext.WarningLevel >= 2) {
360 if (!IsExposedFromAssembly (ds))
361 Report.Warning (3019, Location, "CLS compliance checking will not be performed on '{0}' because it is private or internal", GetSignatureForError ());
362 if (!CodeGen.Assembly.IsClsCompliant)
363 Report.Warning (3021, Location, "'{0}' does not need a CLSCompliant attribute because the assembly does not have a CLSCompliant attribute", GetSignatureForError ());
368 if (!CodeGen.Assembly.IsClsCompliant) {
369 if (HasClsCompliantAttribute) {
370 Report.Error (3014, Location, "'{0}' cannot be marked as CLS-compliant because the assembly does not have a CLSCompliant attribute", GetSignatureForError ());
375 int index = Name.LastIndexOf ('.');
376 if (Name [index > 0 ? index + 1 : 0] == '_') {
377 Report.Error (3008, Location, "Identifier '{0}' is not CLS-compliant", GetSignatureForError () );
382 protected abstract void VerifyObsoleteAttribute ();
385 // Raised (and passed an XmlElement that contains the comment)
386 // when GenerateDocComment is writing documentation expectedly.
388 internal virtual void OnGenerateDocComment (DeclSpace ds, XmlElement intermediateNode)
393 // Returns a string that represents the signature for this
394 // member which should be used in XML documentation.
396 public virtual string GetDocCommentName (DeclSpace ds)
398 if (ds == null || this is DeclSpace)
399 return DocCommentHeader + Name;
401 return String.Concat (DocCommentHeader, ds.Name, ".", Name);
405 // Generates xml doc comments (if any), and if required,
406 // handle warning report.
408 internal virtual void GenerateDocComment (DeclSpace ds)
410 DocUtil.GenerateDocComment (this, ds);
415 /// Base class for structs, classes, enumerations and interfaces.
418 /// They all create new declaration spaces. This
419 /// provides the common foundation for managing those name
422 public abstract class DeclSpace : MemberCore, IAlias {
424 /// This points to the actual definition that is being
425 /// created with System.Reflection.Emit
427 public TypeBuilder TypeBuilder;
430 // This is the namespace in which this typecontainer
431 // was declared. We use this to resolve names.
433 public NamespaceEntry NamespaceEntry;
435 public Hashtable Cache = new Hashtable ();
437 public string Basename;
439 protected Hashtable defined_names;
441 // The emit context for toplevel objects.
442 protected EmitContext ec;
444 public EmitContext EmitContext {
448 static string[] attribute_targets = new string [] { "type" };
450 public DeclSpace (NamespaceEntry ns, TypeContainer parent, MemberName name,
451 Attributes attrs, Location l)
452 : base (parent, name, attrs, l)
455 Basename = name.Name;
456 defined_names = new Hashtable ();
460 /// Adds the member to defined_names table. It tests for duplications and enclosing name conflicts
462 protected bool AddToContainer (MemberCore symbol, bool is_method, string fullname, string basename)
464 if (basename == Basename && !(this is Interface)) {
465 Report.SymbolRelatedToPreviousError (this);
466 Report.Error (542, symbol.Location, "'{0}': member names cannot be the same as their enclosing type", symbol.GetSignatureForError ());
470 MemberCore mc = (MemberCore)defined_names [fullname];
472 if (is_method && (mc is MethodCore || mc is IMethodData)) {
473 symbol.caching_flags |= Flags.TestMethodDuplication;
474 mc.caching_flags |= Flags.TestMethodDuplication;
479 Report.SymbolRelatedToPreviousError (mc);
480 Report.Error (102, symbol.Location, "The type '{0}' already contains a definition for '{1}'", GetSignatureForError (), basename);
484 defined_names.Add (fullname, symbol);
488 public void RecordDecl ()
490 if ((NamespaceEntry != null) && (Parent == RootContext.Tree.Types))
491 NamespaceEntry.DefineName (MemberName.Basename, this);
495 /// Returns the MemberCore associated with a given name in the declaration
496 /// space. It doesn't return method based symbols !!
499 public MemberCore GetDefinition (string name)
501 return (MemberCore)defined_names [name];
504 bool in_transit = false;
507 /// This function is used to catch recursive definitions
510 public bool InTransit {
521 /// Looks up the alias for the name
523 public IAlias LookupAlias (string name)
525 if (NamespaceEntry != null)
526 return NamespaceEntry.LookupAlias (name);
532 // root_types contains all the types. All TopLevel types
533 // hence have a parent that points to `root_types', that is
534 // why there is a non-obvious test down here.
536 public bool IsTopLevel {
539 if (Parent.Parent == null)
546 public virtual void CloseType ()
548 if ((caching_flags & Flags.CloseTypeCreated) == 0){
550 TypeBuilder.CreateType ();
553 // The try/catch is needed because
554 // nested enumerations fail to load when they
557 // Even if this is the right order (enumerations
558 // declared after types).
560 // Note that this still creates the type and
561 // it is possible to save it
563 caching_flags |= Flags.CloseTypeCreated;
568 /// Should be overriten by the appropriate declaration space
570 public abstract TypeBuilder DefineType ();
573 /// Define all members, but don't apply any attributes or do anything which may
574 /// access not-yet-defined classes. This method also creates the MemberCache.
576 public abstract bool DefineMembers (TypeContainer parent);
579 // Whether this is an `unsafe context'
581 public bool UnsafeContext {
583 if ((ModFlags & Modifiers.UNSAFE) != 0)
586 return Parent.UnsafeContext;
591 public static string MakeFQN (string nsn, string name)
595 return String.Concat (nsn, ".", name);
598 EmitContext type_resolve_ec;
599 EmitContext GetTypeResolveEmitContext (TypeContainer parent, Location loc)
601 type_resolve_ec = new EmitContext (parent, this, loc, null, null, ModFlags, false);
602 type_resolve_ec.ResolvingTypeTree = true;
604 return type_resolve_ec;
608 // Looks up the type, as parsed into the expression `e'.
610 //[Obsolete ("This method is going away soon")]
611 public Type ResolveType (Expression e, bool silent, Location loc)
613 TypeExpr d = ResolveTypeExpr (e, silent, loc);
614 return d == null ? null : d.Type;
618 // Resolves the expression `e' for a type, and will recursively define
619 // types. This should only be used for resolving base types.
621 public TypeExpr ResolveTypeExpr (Expression e, bool silent, Location loc)
623 if (type_resolve_ec == null)
624 type_resolve_ec = GetTypeResolveEmitContext (Parent, loc);
625 type_resolve_ec.loc = loc;
626 type_resolve_ec.ContainerType = TypeBuilder;
628 return e.ResolveAsTypeTerminal (type_resolve_ec, silent);
631 public bool CheckAccessLevel (Type check_type)
633 if (check_type == TypeBuilder)
636 TypeAttributes check_attr = check_type.Attributes & TypeAttributes.VisibilityMask;
639 // Broken Microsoft runtime, return public for arrays, no matter what
640 // the accessibility is for their underlying class, and they return
641 // NonPublic visibility for pointers
643 if (check_type.IsArray || check_type.IsPointer)
644 return CheckAccessLevel (TypeManager.GetElementType (check_type));
646 if (TypeBuilder == null)
647 // FIXME: TypeBuilder will be null when invoked by Class.GetNormalBases().
648 // However, this is invoked again later -- so safe to return true.
649 // May also be null when resolving top-level attributes.
653 case TypeAttributes.Public:
656 case TypeAttributes.NotPublic:
658 // This test should probably use the declaringtype.
660 return check_type.Assembly == TypeBuilder.Assembly;
662 case TypeAttributes.NestedPublic:
665 case TypeAttributes.NestedPrivate:
666 return NestedAccessible (check_type);
668 case TypeAttributes.NestedFamily:
669 return FamilyAccessible (check_type);
671 case TypeAttributes.NestedFamANDAssem:
672 return (check_type.Assembly == TypeBuilder.Assembly) &&
673 FamilyAccessible (check_type);
675 case TypeAttributes.NestedFamORAssem:
676 return (check_type.Assembly == TypeBuilder.Assembly) ||
677 FamilyAccessible (check_type);
679 case TypeAttributes.NestedAssembly:
680 return check_type.Assembly == TypeBuilder.Assembly;
683 Console.WriteLine ("HERE: " + check_attr);
688 protected bool NestedAccessible (Type check_type)
690 string check_type_name = check_type.FullName;
692 // At this point, we already know check_type is a nested class.
693 int cio = check_type_name.LastIndexOf ('+');
695 // Ensure that the string 'container' has a '+' in it to avoid false matches
696 string container = check_type_name.Substring (0, cio + 1);
698 // Ensure that type_name ends with a '+' so that it can match 'container', if necessary
699 string type_name = TypeBuilder.FullName + "+";
701 // If the current class is nested inside the container of check_type,
702 // we can access check_type even if it is private or protected.
703 return type_name.StartsWith (container);
706 protected bool FamilyAccessible (Type check_type)
708 Type declaring = check_type.DeclaringType;
709 if (TypeBuilder == declaring ||
710 TypeBuilder.IsSubclassOf (declaring))
713 return NestedAccessible (check_type);
716 // Access level of a type.
718 enum AccessLevel { // Each column represents `is this scope larger or equal to Blah scope'
719 // Public Assembly Protected
720 Protected = (0 << 0) | (0 << 1) | (X << 2),
721 Public = (X << 0) | (X << 1) | (X << 2),
722 Private = (0 << 0) | (0 << 1) | (0 << 2),
723 Internal = (0 << 0) | (X << 1) | (0 << 2),
724 ProtectedOrInternal = (0 << 0) | (X << 1) | (X << 2),
727 static AccessLevel GetAccessLevelFromModifiers (int flags)
729 if ((flags & Modifiers.INTERNAL) != 0) {
731 if ((flags & Modifiers.PROTECTED) != 0)
732 return AccessLevel.ProtectedOrInternal;
734 return AccessLevel.Internal;
736 } else if ((flags & Modifiers.PROTECTED) != 0)
737 return AccessLevel.Protected;
739 else if ((flags & Modifiers.PRIVATE) != 0)
740 return AccessLevel.Private;
743 return AccessLevel.Public;
746 // What is the effective access level of this?
748 AccessLevel EffectiveAccessLevel {
750 AccessLevel myAccess = GetAccessLevelFromModifiers (ModFlags);
751 if (!IsTopLevel && (Parent != null))
752 return myAccess & Parent.EffectiveAccessLevel;
758 // Return the access level for type `t'
759 static AccessLevel TypeEffectiveAccessLevel (Type t)
762 return AccessLevel.Public;
763 if (t.IsNestedPrivate)
764 return AccessLevel.Private;
766 return AccessLevel.Internal;
768 // By now, it must be nested
769 AccessLevel parentLevel = TypeEffectiveAccessLevel (t.DeclaringType);
771 if (t.IsNestedPublic)
773 if (t.IsNestedAssembly)
774 return parentLevel & AccessLevel.Internal;
775 if (t.IsNestedFamily)
776 return parentLevel & AccessLevel.Protected;
777 if (t.IsNestedFamORAssem)
778 return parentLevel & AccessLevel.ProtectedOrInternal;
779 if (t.IsNestedFamANDAssem)
780 throw new NotImplementedException ("NestedFamANDAssem not implemented, cant make this kind of type from c# anyways");
782 // nested private is taken care of
784 throw new Exception ("I give up, what are you?");
788 // This answers `is the type P, as accessible as a member M which has the
789 // accessability @flags which is declared as a nested member of the type T, this declspace'
791 public bool AsAccessible (Type p, int flags)
794 // 1) if M is private, its accessability is the same as this declspace.
795 // we already know that P is accessible to T before this method, so we
799 if ((flags & Modifiers.PRIVATE) != 0)
802 while (p.IsArray || p.IsPointer || p.IsByRef)
803 p = TypeManager.GetElementType (p);
805 AccessLevel pAccess = TypeEffectiveAccessLevel (p);
806 AccessLevel mAccess = this.EffectiveAccessLevel &
807 GetAccessLevelFromModifiers (flags);
809 // for every place from which we can access M, we must
810 // be able to access P as well. So, we want
811 // For every bit in M and P, M_i -> P_1 == true
812 // or, ~ (M -> P) == 0 <-> ~ ( ~M | P) == 0
814 return ~ (~ mAccess | pAccess) == 0;
817 static DoubleHash dh = new DoubleHash (1000);
819 Type DefineTypeAndParents (DeclSpace tc)
821 DeclSpace container = tc.Parent;
823 if (container.TypeBuilder == null && container.Name != "")
824 DefineTypeAndParents (container);
826 return tc.DefineType ();
829 Type LookupInterfaceOrClass (string ns, string name, out bool error)
836 int p = name.LastIndexOf ('.');
838 if (dh.Lookup (ns, name, out r))
842 // If the type is not a nested type, we do not need `LookupType's processing.
843 // If the @name does not have a `.' in it, this cant be a nested type.
846 if (Namespace.IsNamespace (ns)) {
848 t = TypeManager.LookupType (ns + "." + name);
850 t = TypeManager.LookupTypeDirect (ns + "." + name);
854 t = TypeManager.LookupType (name);
856 t = TypeManager.LookupTypeDirect (name);
860 dh.Insert (ns, name, t);
865 // In case we are fed a composite name, normalize it.
869 ns = MakeFQN (ns, name.Substring (0, p));
870 name = name.Substring (p+1);
873 parent = RootContext.Tree.LookupByNamespace (ns, name);
874 if (parent == null) {
875 dh.Insert (ns, name, null);
879 t = DefineTypeAndParents (parent);
885 dh.Insert (ns, name, t);
889 public static void Error_AmbiguousTypeReference (Location loc, string name, string t1, string t2)
891 Report.Error (104, loc,
892 "`{0}' is an ambiguous reference ({1} or {2})",
897 /// GetType is used to resolve type names at the DeclSpace level.
898 /// Use this to lookup class/struct bases, interface bases or
899 /// delegate type references
903 /// Contrast this to LookupType which is used inside method bodies to
904 /// lookup types that have already been defined. GetType is used
905 /// during the tree resolution process and potentially define
906 /// recursively the type
908 public Type FindType (Location loc, string name)
914 // For the case the type we are looking for is nested within this one
915 // or is in any base class
917 DeclSpace containing_ds = this;
919 while (containing_ds != null){
920 Type container_type = containing_ds.TypeBuilder;
921 Type current_type = container_type;
923 while (current_type != null && current_type != TypeManager.object_type) {
924 string pre = current_type.FullName;
926 t = LookupInterfaceOrClass (pre, name, out error);
930 if ((t != null) && containing_ds.CheckAccessLevel (t))
933 current_type = current_type.BaseType;
935 containing_ds = containing_ds.Parent;
939 // Attempt to lookup the class on our namespace and all it's implicit parents
941 for (NamespaceEntry ns = NamespaceEntry; ns != null; ns = ns.ImplicitParent) {
942 t = LookupInterfaceOrClass (ns.FullName, name, out error);
951 // Attempt to do a direct unqualified lookup
953 t = LookupInterfaceOrClass ("", name, out error);
961 // Attempt to lookup the class on any of the `using'
965 for (NamespaceEntry ns = NamespaceEntry; ns != null; ns = ns.Parent){
967 t = LookupInterfaceOrClass (ns.FullName, name, out error);
974 if (name.IndexOf ('.') > 0)
977 IAlias alias_value = ns.LookupAlias (name);
978 if (alias_value != null) {
979 t = LookupInterfaceOrClass ("", alias_value.Name, out error);
988 // Now check the using clause list
991 foreach (Namespace using_ns in ns.GetUsingTable ()) {
992 match = LookupInterfaceOrClass (using_ns.Name, name, out error);
998 if (CheckAccessLevel (match)) {
999 Error_AmbiguousTypeReference (loc, name, t.FullName, match.FullName);
1012 //Report.Error (246, Location, "Can not find type `"+name+"'");
1017 /// This function is broken and not what you're looking for. It should only
1018 /// be used while the type is still being created since it doesn't use the cache
1019 /// and relies on the filter doing the member name check.
1021 public abstract MemberList FindMembers (MemberTypes mt, BindingFlags bf,
1022 MemberFilter filter, object criteria);
1025 /// If we have a MemberCache, return it. This property may return null if the
1026 /// class doesn't have a member cache or while it's still being created.
1028 public abstract MemberCache MemberCache {
1032 public override void ApplyAttributeBuilder (Attribute a, CustomAttributeBuilder cb)
1035 TypeBuilder.SetCustomAttribute (cb);
1036 } catch (System.ArgumentException e) {
1037 Report.Warning (-21, a.Location,
1038 "The CharSet named property on StructLayout\n"+
1039 "\tdoes not work correctly on Microsoft.NET\n"+
1040 "\tYou might want to remove the CharSet declaration\n"+
1041 "\tor compile using the Mono runtime instead of the\n"+
1042 "\tMicrosoft .NET runtime\n"+
1043 "\tThe runtime gave the error: " + e);
1048 /// Goes through class hierarchy and get value of first CLSCompliantAttribute that found.
1049 /// If no is attribute exists then return assembly CLSCompliantAttribute.
1051 public bool GetClsCompliantAttributeValue ()
1053 if ((caching_flags & Flags.HasCompliantAttribute_Undetected) == 0)
1054 return (caching_flags & Flags.ClsCompliantAttributeTrue) != 0;
1056 caching_flags &= ~Flags.HasCompliantAttribute_Undetected;
1058 if (OptAttributes != null) {
1059 Attribute cls_attribute = OptAttributes.Search (TypeManager.cls_compliant_attribute_type, ec);
1060 if (cls_attribute != null) {
1061 caching_flags |= Flags.HasClsCompliantAttribute;
1062 if (cls_attribute.GetClsCompliantAttributeValue (ec)) {
1063 caching_flags |= Flags.ClsCompliantAttributeTrue;
1070 if (Parent == null) {
1071 if (CodeGen.Assembly.IsClsCompliant) {
1072 caching_flags |= Flags.ClsCompliantAttributeTrue;
1078 if (Parent.GetClsCompliantAttributeValue ()) {
1079 caching_flags |= Flags.ClsCompliantAttributeTrue;
1085 public override string[] ValidAttributeTargets {
1087 return attribute_targets;
1091 bool IAlias.IsType {
1092 get { return true; }
1095 string IAlias.Name {
1096 get { return Name; }
1099 TypeExpr IAlias.ResolveAsType (EmitContext ec)
1101 if (TypeBuilder == null)
1102 throw new InvalidOperationException ();
1104 return new TypeExpression (TypeBuilder, Location);
1109 /// This is a readonly list of MemberInfo's.
1111 public class MemberList : IList {
1112 public readonly IList List;
1116 /// Create a new MemberList from the given IList.
1118 public MemberList (IList list)
1123 this.List = new ArrayList ();
1128 /// Concatenate the ILists `first' and `second' to a new MemberList.
1130 public MemberList (IList first, IList second)
1132 ArrayList list = new ArrayList ();
1133 list.AddRange (first);
1134 list.AddRange (second);
1139 public static readonly MemberList Empty = new MemberList (new ArrayList ());
1142 /// Cast the MemberList into a MemberInfo[] array.
1145 /// This is an expensive operation, only use it if it's really necessary.
1147 public static explicit operator MemberInfo [] (MemberList list)
1149 Timer.StartTimer (TimerType.MiscTimer);
1150 MemberInfo [] result = new MemberInfo [list.Count];
1151 list.CopyTo (result, 0);
1152 Timer.StopTimer (TimerType.MiscTimer);
1164 public bool IsSynchronized {
1166 return List.IsSynchronized;
1170 public object SyncRoot {
1172 return List.SyncRoot;
1176 public void CopyTo (Array array, int index)
1178 List.CopyTo (array, index);
1183 public IEnumerator GetEnumerator ()
1185 return List.GetEnumerator ();
1190 public bool IsFixedSize {
1196 public bool IsReadOnly {
1202 object IList.this [int index] {
1204 return List [index];
1208 throw new NotSupportedException ();
1212 // FIXME: try to find out whether we can avoid the cast in this indexer.
1213 public MemberInfo this [int index] {
1215 return (MemberInfo) List [index];
1219 public int Add (object value)
1221 throw new NotSupportedException ();
1224 public void Clear ()
1226 throw new NotSupportedException ();
1229 public bool Contains (object value)
1231 return List.Contains (value);
1234 public int IndexOf (object value)
1236 return List.IndexOf (value);
1239 public void Insert (int index, object value)
1241 throw new NotSupportedException ();
1244 public void Remove (object value)
1246 throw new NotSupportedException ();
1249 public void RemoveAt (int index)
1251 throw new NotSupportedException ();
1256 /// This interface is used to get all members of a class when creating the
1257 /// member cache. It must be implemented by all DeclSpace derivatives which
1258 /// want to support the member cache and by TypeHandle to get caching of
1259 /// non-dynamic types.
1261 public interface IMemberContainer {
1263 /// The name of the IMemberContainer. This is only used for
1264 /// debugging purposes.
1271 /// The type of this IMemberContainer.
1278 /// Returns the IMemberContainer of the base class or null if this
1279 /// is an interface or TypeManger.object_type.
1280 /// This is used when creating the member cache for a class to get all
1281 /// members from the base class.
1283 MemberCache BaseCache {
1288 /// Whether this is an interface.
1295 /// Returns all members of this class with the corresponding MemberTypes
1296 /// and BindingFlags.
1299 /// When implementing this method, make sure not to return any inherited
1300 /// members and check the MemberTypes and BindingFlags properly.
1301 /// Unfortunately, System.Reflection is lame and doesn't provide a way to
1302 /// get the BindingFlags (static/non-static,public/non-public) in the
1303 /// MemberInfo class, but the cache needs this information. That's why
1304 /// this method is called multiple times with different BindingFlags.
1306 MemberList GetMembers (MemberTypes mt, BindingFlags bf);
1309 /// Return the container's member cache.
1311 MemberCache MemberCache {
1317 /// The MemberCache is used by dynamic and non-dynamic types to speed up
1318 /// member lookups. It has a member name based hash table; it maps each member
1319 /// name to a list of CacheEntry objects. Each CacheEntry contains a MemberInfo
1320 /// and the BindingFlags that were initially used to get it. The cache contains
1321 /// all members of the current class and all inherited members. If this cache is
1322 /// for an interface types, it also contains all inherited members.
1324 /// There are two ways to get a MemberCache:
1325 /// * if this is a dynamic type, lookup the corresponding DeclSpace and then
1326 /// use the DeclSpace.MemberCache property.
1327 /// * if this not a dynamic type, call TypeHandle.GetTypeHandle() to get a
1328 /// TypeHandle instance for the type and then use TypeHandle.MemberCache.
1330 public class MemberCache {
1331 public readonly IMemberContainer Container;
1332 protected Hashtable member_hash;
1333 protected Hashtable method_hash;
1336 /// Create a new MemberCache for the given IMemberContainer `container'.
1338 public MemberCache (IMemberContainer container)
1340 this.Container = container;
1342 Timer.IncrementCounter (CounterType.MemberCache);
1343 Timer.StartTimer (TimerType.CacheInit);
1345 // If we have a base class (we have a base class unless we're
1346 // TypeManager.object_type), we deep-copy its MemberCache here.
1347 if (Container.BaseCache != null)
1348 member_hash = SetupCache (Container.BaseCache);
1350 member_hash = new Hashtable ();
1352 // If this is neither a dynamic type nor an interface, create a special
1353 // method cache with all declared and inherited methods.
1354 Type type = container.Type;
1355 if (!(type is TypeBuilder) && !type.IsInterface) {
1356 method_hash = new Hashtable ();
1360 // Add all members from the current class.
1361 AddMembers (Container);
1363 Timer.StopTimer (TimerType.CacheInit);
1366 public MemberCache (Type[] ifaces)
1369 // The members of this cache all belong to other caches.
1370 // So, 'Container' will not be used.
1372 this.Container = null;
1374 member_hash = new Hashtable ();
1378 foreach (Type itype in ifaces)
1379 AddCacheContents (TypeManager.LookupMemberCache (itype));
1383 /// Bootstrap this member cache by doing a deep-copy of our base.
1385 Hashtable SetupCache (MemberCache base_class)
1387 Hashtable hash = new Hashtable ();
1389 if (base_class == null)
1392 IDictionaryEnumerator it = base_class.member_hash.GetEnumerator ();
1393 while (it.MoveNext ()) {
1394 hash [it.Key] = ((ArrayList) it.Value).Clone ();
1401 /// Add the contents of `cache' to the member_hash.
1403 void AddCacheContents (MemberCache cache)
1405 IDictionaryEnumerator it = cache.member_hash.GetEnumerator ();
1406 while (it.MoveNext ()) {
1407 ArrayList list = (ArrayList) member_hash [it.Key];
1409 member_hash [it.Key] = list = new ArrayList ();
1411 ArrayList entries = (ArrayList) it.Value;
1412 for (int i = entries.Count-1; i >= 0; i--) {
1413 CacheEntry entry = (CacheEntry) entries [i];
1415 if (entry.Container != cache.Container)
1423 /// Add all members from class `container' to the cache.
1425 void AddMembers (IMemberContainer container)
1427 // We need to call AddMembers() with a single member type at a time
1428 // to get the member type part of CacheEntry.EntryType right.
1429 if (!container.IsInterface) {
1430 AddMembers (MemberTypes.Constructor, container);
1431 AddMembers (MemberTypes.Field, container);
1433 AddMembers (MemberTypes.Method, container);
1434 AddMembers (MemberTypes.Property, container);
1435 AddMembers (MemberTypes.Event, container);
1436 // Nested types are returned by both Static and Instance searches.
1437 AddMembers (MemberTypes.NestedType,
1438 BindingFlags.Static | BindingFlags.Public, container);
1439 AddMembers (MemberTypes.NestedType,
1440 BindingFlags.Static | BindingFlags.NonPublic, container);
1443 void AddMembers (MemberTypes mt, IMemberContainer container)
1445 AddMembers (mt, BindingFlags.Static | BindingFlags.Public, container);
1446 AddMembers (mt, BindingFlags.Static | BindingFlags.NonPublic, container);
1447 AddMembers (mt, BindingFlags.Instance | BindingFlags.Public, container);
1448 AddMembers (mt, BindingFlags.Instance | BindingFlags.NonPublic, container);
1452 /// Add all members from class `container' with the requested MemberTypes and
1453 /// BindingFlags to the cache. This method is called multiple times with different
1454 /// MemberTypes and BindingFlags.
1456 void AddMembers (MemberTypes mt, BindingFlags bf, IMemberContainer container)
1458 MemberList members = container.GetMembers (mt, bf);
1460 foreach (MemberInfo member in members) {
1461 string name = member.Name;
1463 // We use a name-based hash table of ArrayList's.
1464 ArrayList list = (ArrayList) member_hash [name];
1466 list = new ArrayList ();
1467 member_hash.Add (name, list);
1470 // When this method is called for the current class, the list will
1471 // already contain all inherited members from our base classes.
1472 // We cannot add new members in front of the list since this'd be an
1473 // expensive operation, that's why the list is sorted in reverse order
1474 // (ie. members from the current class are coming last).
1475 list.Add (new CacheEntry (container, member, mt, bf));
1480 /// Add all declared and inherited methods from class `type' to the method cache.
1482 void AddMethods (Type type)
1484 AddMethods (BindingFlags.Static | BindingFlags.Public |
1485 BindingFlags.FlattenHierarchy, type);
1486 AddMethods (BindingFlags.Static | BindingFlags.NonPublic |
1487 BindingFlags.FlattenHierarchy, type);
1488 AddMethods (BindingFlags.Instance | BindingFlags.Public, type);
1489 AddMethods (BindingFlags.Instance | BindingFlags.NonPublic, type);
1492 void AddMethods (BindingFlags bf, Type type)
1494 MemberInfo [] members = type.GetMethods (bf);
1496 Array.Reverse (members);
1498 foreach (MethodBase member in members) {
1499 string name = member.Name;
1501 // We use a name-based hash table of ArrayList's.
1502 ArrayList list = (ArrayList) method_hash [name];
1504 list = new ArrayList ();
1505 method_hash.Add (name, list);
1508 // Unfortunately, the elements returned by Type.GetMethods() aren't
1509 // sorted so we need to do this check for every member.
1510 BindingFlags new_bf = bf;
1511 if (member.DeclaringType == type)
1512 new_bf |= BindingFlags.DeclaredOnly;
1514 list.Add (new CacheEntry (Container, member, MemberTypes.Method, new_bf));
1521 /// Compute and return a appropriate `EntryType' magic number for the given
1522 /// MemberTypes and BindingFlags.
1524 protected static EntryType GetEntryType (MemberTypes mt, BindingFlags bf)
1526 EntryType type = EntryType.None;
1528 if ((mt & MemberTypes.Constructor) != 0)
1529 type |= EntryType.Constructor;
1530 if ((mt & MemberTypes.Event) != 0)
1531 type |= EntryType.Event;
1532 if ((mt & MemberTypes.Field) != 0)
1533 type |= EntryType.Field;
1534 if ((mt & MemberTypes.Method) != 0)
1535 type |= EntryType.Method;
1536 if ((mt & MemberTypes.Property) != 0)
1537 type |= EntryType.Property;
1538 // Nested types are returned by static and instance searches.
1539 if ((mt & MemberTypes.NestedType) != 0)
1540 type |= EntryType.NestedType | EntryType.Static | EntryType.Instance;
1542 if ((bf & BindingFlags.Instance) != 0)
1543 type |= EntryType.Instance;
1544 if ((bf & BindingFlags.Static) != 0)
1545 type |= EntryType.Static;
1546 if ((bf & BindingFlags.Public) != 0)
1547 type |= EntryType.Public;
1548 if ((bf & BindingFlags.NonPublic) != 0)
1549 type |= EntryType.NonPublic;
1550 if ((bf & BindingFlags.DeclaredOnly) != 0)
1551 type |= EntryType.Declared;
1557 /// The `MemberTypes' enumeration type is a [Flags] type which means that it may
1558 /// denote multiple member types. Returns true if the given flags value denotes a
1559 /// single member types.
1561 public static bool IsSingleMemberType (MemberTypes mt)
1564 case MemberTypes.Constructor:
1565 case MemberTypes.Event:
1566 case MemberTypes.Field:
1567 case MemberTypes.Method:
1568 case MemberTypes.Property:
1569 case MemberTypes.NestedType:
1578 /// We encode the MemberTypes and BindingFlags of each members in a "magic"
1579 /// number to speed up the searching process.
1582 protected enum EntryType {
1587 MaskStatic = Instance|Static,
1591 MaskProtection = Public|NonPublic,
1595 Constructor = 0x020,
1602 MaskType = Constructor|Event|Field|Method|Property|NestedType
1605 protected struct CacheEntry {
1606 public readonly IMemberContainer Container;
1607 public readonly EntryType EntryType;
1608 public readonly MemberInfo Member;
1610 public CacheEntry (IMemberContainer container, MemberInfo member,
1611 MemberTypes mt, BindingFlags bf)
1613 this.Container = container;
1614 this.Member = member;
1615 this.EntryType = GetEntryType (mt, bf);
1618 public override string ToString ()
1620 return String.Format ("CacheEntry ({0}:{1}:{2})", Container.Name,
1626 /// This is called each time we're walking up one level in the class hierarchy
1627 /// and checks whether we can abort the search since we've already found what
1628 /// we were looking for.
1630 protected bool DoneSearching (ArrayList list)
1633 // We've found exactly one member in the current class and it's not
1634 // a method or constructor.
1636 if (list.Count == 1 && !(list [0] is MethodBase))
1640 // Multiple properties: we query those just to find out the indexer
1643 if ((list.Count > 0) && (list [0] is PropertyInfo))
1650 /// Looks up members with name `name'. If you provide an optional
1651 /// filter function, it'll only be called with members matching the
1652 /// requested member name.
1654 /// This method will try to use the cache to do the lookup if possible.
1656 /// Unlike other FindMembers implementations, this method will always
1657 /// check all inherited members - even when called on an interface type.
1659 /// If you know that you're only looking for methods, you should use
1660 /// MemberTypes.Method alone since this speeds up the lookup a bit.
1661 /// When doing a method-only search, it'll try to use a special method
1662 /// cache (unless it's a dynamic type or an interface) and the returned
1663 /// MemberInfo's will have the correct ReflectedType for inherited methods.
1664 /// The lookup process will automatically restart itself in method-only
1665 /// search mode if it discovers that it's about to return methods.
1667 ArrayList global = new ArrayList ();
1668 bool using_global = false;
1670 static MemberInfo [] emptyMemberInfo = new MemberInfo [0];
1672 public MemberInfo [] FindMembers (MemberTypes mt, BindingFlags bf, string name,
1673 MemberFilter filter, object criteria)
1676 throw new Exception ();
1678 bool declared_only = (bf & BindingFlags.DeclaredOnly) != 0;
1679 bool method_search = mt == MemberTypes.Method;
1680 // If we have a method cache and we aren't already doing a method-only search,
1681 // then we restart a method search if the first match is a method.
1682 bool do_method_search = !method_search && (method_hash != null);
1684 ArrayList applicable;
1686 // If this is a method-only search, we try to use the method cache if
1687 // possible; a lookup in the method cache will return a MemberInfo with
1688 // the correct ReflectedType for inherited methods.
1690 if (method_search && (method_hash != null))
1691 applicable = (ArrayList) method_hash [name];
1693 applicable = (ArrayList) member_hash [name];
1695 if (applicable == null)
1696 return emptyMemberInfo;
1699 // 32 slots gives 53 rss/54 size
1700 // 2/4 slots gives 55 rss
1702 // Strange: from 25,000 calls, only 1,800
1703 // are above 2. Why does this impact it?
1706 using_global = true;
1708 Timer.StartTimer (TimerType.CachedLookup);
1710 EntryType type = GetEntryType (mt, bf);
1712 IMemberContainer current = Container;
1715 // `applicable' is a list of all members with the given member name `name'
1716 // in the current class and all its base classes. The list is sorted in
1717 // reverse order due to the way how the cache is initialy created (to speed
1718 // things up, we're doing a deep-copy of our base).
1720 for (int i = applicable.Count-1; i >= 0; i--) {
1721 CacheEntry entry = (CacheEntry) applicable [i];
1723 // This happens each time we're walking one level up in the class
1724 // hierarchy. If we're doing a DeclaredOnly search, we must abort
1725 // the first time this happens (this may already happen in the first
1726 // iteration of this loop if there are no members with the name we're
1727 // looking for in the current class).
1728 if (entry.Container != current) {
1729 if (declared_only || DoneSearching (global))
1732 current = entry.Container;
1735 // Is the member of the correct type ?
1736 if ((entry.EntryType & type & EntryType.MaskType) == 0)
1739 // Is the member static/non-static ?
1740 if ((entry.EntryType & type & EntryType.MaskStatic) == 0)
1743 // Apply the filter to it.
1744 if (filter (entry.Member, criteria)) {
1745 if ((entry.EntryType & EntryType.MaskType) != EntryType.Method)
1746 do_method_search = false;
1747 global.Add (entry.Member);
1751 Timer.StopTimer (TimerType.CachedLookup);
1753 // If we have a method cache and we aren't already doing a method-only
1754 // search, we restart in method-only search mode if the first match is
1755 // a method. This ensures that we return a MemberInfo with the correct
1756 // ReflectedType for inherited methods.
1757 if (do_method_search && (global.Count > 0)){
1758 using_global = false;
1760 return FindMembers (MemberTypes.Method, bf, name, filter, criteria);
1763 using_global = false;
1764 MemberInfo [] copy = new MemberInfo [global.Count];
1765 global.CopyTo (copy);
1769 // find the nested type @name in @this.
1770 public Type FindNestedType (string name)
1772 ArrayList applicable = (ArrayList) member_hash [name];
1773 if (applicable == null)
1776 for (int i = applicable.Count-1; i >= 0; i--) {
1777 CacheEntry entry = (CacheEntry) applicable [i];
1778 if ((entry.EntryType & EntryType.NestedType & EntryType.MaskType) != 0)
1779 return (Type) entry.Member;
1786 // This finds the method or property for us to override. invocationType is the type where
1787 // the override is going to be declared, name is the name of the method/property, and
1788 // paramTypes is the parameters, if any to the method or property
1790 // Because the MemberCache holds members from this class and all the base classes,
1791 // we can avoid tons of reflection stuff.
1793 public MemberInfo FindMemberToOverride (Type invocationType, string name, Type [] paramTypes, bool is_property)
1795 ArrayList applicable;
1796 if (method_hash != null && !is_property)
1797 applicable = (ArrayList) method_hash [name];
1799 applicable = (ArrayList) member_hash [name];
1801 if (applicable == null)
1804 // Walk the chain of methods, starting from the top.
1806 for (int i = applicable.Count - 1; i >= 0; i--) {
1807 CacheEntry entry = (CacheEntry) applicable [i];
1809 if ((entry.EntryType & (is_property ? (EntryType.Property | EntryType.Field) : EntryType.Method)) == 0)
1812 PropertyInfo pi = null;
1813 MethodInfo mi = null;
1814 FieldInfo fi = null;
1815 Type [] cmpAttrs = null;
1818 if ((entry.EntryType & EntryType.Field) != 0) {
1819 fi = (FieldInfo)entry.Member;
1821 // TODO: For this case we ignore member type
1822 //fb = TypeManager.GetField (fi);
1823 //cmpAttrs = new Type[] { fb.MemberType };
1825 pi = (PropertyInfo) entry.Member;
1826 cmpAttrs = TypeManager.GetArgumentTypes (pi);
1829 mi = (MethodInfo) entry.Member;
1830 cmpAttrs = TypeManager.GetArgumentTypes (mi);
1834 // TODO: Almost duplicate !
1836 switch (fi.Attributes & FieldAttributes.FieldAccessMask) {
1837 case FieldAttributes.Private:
1839 // A private method is Ok if we are a nested subtype.
1840 // The spec actually is not very clear about this, see bug 52458.
1842 if (invocationType != entry.Container.Type &
1843 TypeManager.IsNestedChildOf (invocationType, entry.Container.Type))
1847 case FieldAttributes.FamANDAssem:
1848 case FieldAttributes.Assembly:
1850 // Check for assembly methods
1852 if (mi.DeclaringType.Assembly != CodeGen.Assembly.Builder)
1856 return entry.Member;
1860 // Check the arguments
1862 if (cmpAttrs.Length != paramTypes.Length)
1865 for (int j = cmpAttrs.Length - 1; j >= 0; j --)
1866 if (paramTypes [j] != cmpAttrs [j])
1870 // get one of the methods because this has the visibility info.
1873 mi = pi.GetGetMethod (true);
1875 mi = pi.GetSetMethod (true);
1881 switch (mi.Attributes & MethodAttributes.MemberAccessMask) {
1882 case MethodAttributes.Private:
1884 // A private method is Ok if we are a nested subtype.
1885 // The spec actually is not very clear about this, see bug 52458.
1887 if (invocationType == entry.Container.Type ||
1888 TypeManager.IsNestedChildOf (invocationType, entry.Container.Type))
1889 return entry.Member;
1892 case MethodAttributes.FamANDAssem:
1893 case MethodAttributes.Assembly:
1895 // Check for assembly methods
1897 if (mi.DeclaringType.Assembly == CodeGen.Assembly.Builder)
1898 return entry.Member;
1903 // A protected method is ok, because we are overriding.
1904 // public is always ok.
1906 return entry.Member;
1916 /// The method is looking for conflict with inherited symbols (errors CS0108, CS0109).
1917 /// We handle two cases. The first is for types without parameters (events, field, properties).
1918 /// The second are methods, indexers and this is why ignore_complex_types is here.
1919 /// The latest param is temporary hack. See DoDefineMembers method for more info.
1921 public MemberInfo FindMemberWithSameName (string name, bool ignore_complex_types, MemberInfo ignore_member)
1923 ArrayList applicable = null;
1925 if (method_hash != null)
1926 applicable = (ArrayList) method_hash [name];
1928 if (applicable != null) {
1929 for (int i = applicable.Count - 1; i >= 0; i--) {
1930 CacheEntry entry = (CacheEntry) applicable [i];
1931 if ((entry.EntryType & EntryType.Public) != 0)
1932 return entry.Member;
1936 if (member_hash == null)
1938 applicable = (ArrayList) member_hash [name];
1940 if (applicable != null) {
1941 for (int i = applicable.Count - 1; i >= 0; i--) {
1942 CacheEntry entry = (CacheEntry) applicable [i];
1943 if ((entry.EntryType & EntryType.Public) != 0 & entry.Member != ignore_member) {
1944 if (ignore_complex_types) {
1945 if ((entry.EntryType & EntryType.Method) != 0)
1948 // Does exist easier way how to detect indexer ?
1949 if ((entry.EntryType & EntryType.Property) != 0) {
1950 Type[] arg_types = TypeManager.GetArgumentTypes ((PropertyInfo)entry.Member);
1951 if (arg_types.Length > 0)
1955 return entry.Member;
1962 Hashtable locase_table;
1965 /// Builds low-case table for CLS Compliance test
1967 public Hashtable GetPublicMembers ()
1969 if (locase_table != null)
1970 return locase_table;
1972 locase_table = new Hashtable ();
1973 foreach (DictionaryEntry entry in member_hash) {
1974 ArrayList members = (ArrayList)entry.Value;
1975 for (int ii = 0; ii < members.Count; ++ii) {
1976 CacheEntry member_entry = (CacheEntry) members [ii];
1978 if ((member_entry.EntryType & EntryType.Public) == 0)
1981 // TODO: Does anyone know easier way how to detect that member is internal ?
1982 switch (member_entry.EntryType & EntryType.MaskType) {
1983 case EntryType.Constructor:
1986 case EntryType.Field:
1987 if ((((FieldInfo)member_entry.Member).Attributes & (FieldAttributes.Assembly | FieldAttributes.Public)) == FieldAttributes.Assembly)
1991 case EntryType.Method:
1992 if ((((MethodInfo)member_entry.Member).Attributes & (MethodAttributes.Assembly | MethodAttributes.Public)) == MethodAttributes.Assembly)
1996 case EntryType.Property:
1997 PropertyInfo pi = (PropertyInfo)member_entry.Member;
1998 if (pi.GetSetMethod () == null && pi.GetGetMethod () == null)
2002 case EntryType.Event:
2003 EventInfo ei = (EventInfo)member_entry.Member;
2004 MethodInfo mi = ei.GetAddMethod ();
2005 if ((mi.Attributes & (MethodAttributes.Assembly | MethodAttributes.Public)) == MethodAttributes.Assembly)
2009 string lcase = ((string)entry.Key).ToLower (System.Globalization.CultureInfo.InvariantCulture);
2010 locase_table [lcase] = member_entry.Member;
2014 return locase_table;
2017 public Hashtable Members {
2024 /// Cls compliance check whether methods or constructors parameters differing only in ref or out, or in array rank
2026 public void VerifyClsParameterConflict (ArrayList al, MethodCore method, MemberInfo this_builder)
2028 EntryType tested_type = (method is Constructor ? EntryType.Constructor : EntryType.Method) | EntryType.Public;
2030 for (int i = 0; i < al.Count; ++i) {
2031 MemberCache.CacheEntry entry = (MemberCache.CacheEntry) al [i];
2034 if (entry.Member == this_builder)
2037 if ((entry.EntryType & tested_type) != tested_type)
2040 MethodBase method_to_compare = (MethodBase)entry.Member;
2041 if (AttributeTester.AreOverloadedMethodParamsClsCompliant (method.ParameterTypes, TypeManager.GetArgumentTypes (method_to_compare)))
2044 IMethodData md = TypeManager.GetMethod (method_to_compare);
2046 // TODO: now we are ignoring CLSCompliance(false) on method from other assembly which is buggy.
2047 // However it is exactly what csc does.
2048 if (md != null && !md.IsClsCompliaceRequired (method.Parent))
2051 Report.SymbolRelatedToPreviousError (entry.Member);
2052 Report.Error (3006, method.Location, "Overloaded method '{0}' differing only in ref or out, or in array rank, is not CLS-compliant", method.GetSignatureForError ());