// decl.cs: Declaration base class for structs, classes, enums and interfaces.
//
// Author: Miguel de Icaza (miguel@gnu.org)
+// Marek Safar (marek.safar@seznam.cz)
//
// Licensed under the terms of the GNU GPL
//
using System;
using System.Collections;
+using System.Globalization;
using System.Reflection.Emit;
using System.Reflection;
namespace Mono.CSharp {
+ public class MemberName {
+ public string Name;
+ public readonly MemberName Left;
+
+ public static readonly MemberName Null = new MemberName ("");
+
+ public MemberName (string name)
+ {
+ this.Name = name;
+ }
+
+ public MemberName (MemberName left, string name)
+ : this (name)
+ {
+ this.Left = left;
+ }
+
+ public MemberName (MemberName left, MemberName right)
+ : this (left, right.Name)
+ {
+ }
+
+ public string GetName ()
+ {
+ return GetName (false);
+ }
+
+ public string GetName (bool is_generic)
+ {
+ string name = is_generic ? Basename : Name;
+ if (Left != null)
+ return Left.GetName (is_generic) + "." + name;
+ else
+ return name;
+ }
+
+ public string GetFullName ()
+ {
+ if (Left != null)
+ return Left.GetFullName () + "." + Name;
+ else
+ return Name;
+ }
+
+ public string GetTypeName ()
+ {
+ if (Left != null)
+ return Left.GetTypeName () + "." + Name;
+ else
+ return Name;
+ }
+
+ public Expression GetTypeExpression (Location loc)
+ {
+ if (Left != null) {
+ Expression lexpr = Left.GetTypeExpression (loc);
+
+ return new MemberAccess (lexpr, Name, loc);
+ } else {
+ return new SimpleName (Name, loc);
+ }
+ }
+
+ public MemberName Clone ()
+ {
+ if (Left != null)
+ return new MemberName (Left.Clone (), Name);
+ else
+ return new MemberName (Name);
+ }
+
+ public string Basename {
+ get {
+ return Name;
+ }
+ }
+
+ public override string ToString ()
+ {
+ return GetFullName ();
+ }
+ }
+
/// <summary>
- /// Base representation for members. This is only used to keep track
- /// of Name, Location and Modifier flags.
+ /// Base representation for members. This is used to keep track
+ /// of Name, Location and Modifier flags, and handling Attributes.
/// </summary>
- public abstract class MemberCore {
+ public abstract class MemberCore : Attributable {
/// <summary>
/// Public name
/// </summary>
- public string Name;
+ public string Name {
+ get {
+ // !(this is GenericMethod) && !(this is Method)
+ return MemberName.GetName (false);
+ }
+ }
+
+ public readonly MemberName MemberName;
/// <summary>
/// Modifier flags that the user specified in the source code
/// </summary>
public int ModFlags;
+ public readonly TypeContainer Parent;
+
/// <summary>
/// Location where this declaration happens
/// </summary>
public readonly Location Location;
- public MemberCore (string name, Location loc)
- {
- Name = name;
- Location = loc;
+ [Flags]
+ public enum Flags {
+ Obsolete_Undetected = 1, // Obsolete attribute has not been detected yet
+ Obsolete = 1 << 1, // Type has obsolete attribute
+ ClsCompliance_Undetected = 1 << 2, // CLS Compliance has not been detected yet
+ ClsCompliant = 1 << 3, // Type is CLS Compliant
+ CloseTypeCreated = 1 << 4, // Tracks whether we have Closed the type
+ HasCompliantAttribute_Undetected = 1 << 5, // Presence of CLSCompliantAttribute has not been detected
+ HasClsCompliantAttribute = 1 << 6, // Type has CLSCompliantAttribute
+ ClsCompliantAttributeTrue = 1 << 7, // Type has CLSCompliant (true)
+ Excluded_Undetected = 1 << 8, // Conditional attribute has not been detected yet
+ Excluded = 1 << 9, // Method is conditional
+ TestMethodDuplication = 1 << 10 // Test for duplication must be performed
}
- protected void WarningNotHiding (TypeContainer parent)
+ /// <summary>
+ /// MemberCore flags at first detected then cached
+ /// </summary>
+ internal Flags caching_flags;
+
+ public MemberCore (TypeContainer parent, MemberName name, Attributes attrs,
+ Location loc)
+ : base (attrs)
{
- Report.Warning (
- 109, Location,
- "The member " + parent.MakeName (Name) + " does not hide an " +
- "inherited member. The keyword new is not required");
-
+ Parent = parent;
+ MemberName = name;
+ Location = loc;
+ caching_flags = Flags.Obsolete_Undetected | Flags.ClsCompliance_Undetected | Flags.HasCompliantAttribute_Undetected | Flags.Excluded_Undetected;
}
- void Error_CannotChangeAccessModifiers (TypeContainer parent, MethodInfo parent_method,
- string name)
+ /// <summary>
+ /// Tests presence of ObsoleteAttribute and report proper error
+ /// </summary>
+ protected void CheckUsageOfObsoleteAttribute (Type type)
{
- //
- // FIXME: report the old/new permissions?
- //
- Report.Error (
- 507, Location, parent.MakeName (Name) +
- ": can't change the access modifiers when overriding inherited " +
- "member `" + name + "'");
+ if (type == null)
+ return;
+
+ ObsoleteAttribute obsolete_attr = AttributeTester.GetObsoleteAttribute (type);
+ if (obsolete_attr == null)
+ return;
+
+ AttributeTester.Report_ObsoleteMessage (obsolete_attr, type.FullName, Location);
}
-
- //
- // Performs various checks on the MethodInfo `mb' regarding the modifier flags
- // that have been defined.
- //
- // `name' is the user visible name for reporting errors (this is used to
- // provide the right name regarding method names and properties)
+
+ public abstract bool Define ();
+
+ //
+ // Returns full member name for error message
//
- protected bool CheckMethodAgainstBase (TypeContainer parent, MethodAttributes my_attrs,
- MethodInfo mb, string name)
+ public virtual string GetSignatureForError ()
{
- bool ok = true;
-
- if ((ModFlags & Modifiers.OVERRIDE) != 0){
- if (!(mb.IsAbstract || mb.IsVirtual)){
- Report.Error (
- 506, Location, parent.MakeName (Name) +
- ": cannot override inherited member `" +
- name + "' because it is not " +
- "virtual, abstract or override");
- ok = false;
- }
-
- // Now we check that the overriden method is not final
-
- if (mb.IsFinal) {
- Report.Error (239, Location, parent.MakeName (Name) + " : cannot " +
- "override inherited member `" + name +
- "' because it is sealed.");
- ok = false;
- }
- //
- // Check that the permissions are not being changed
- //
- MethodAttributes thisp = my_attrs & MethodAttributes.MemberAccessMask;
- MethodAttributes parentp = mb.Attributes & MethodAttributes.MemberAccessMask;
-
- //
- // special case for "protected internal"
- //
+ return Name;
+ }
- if ((parentp & MethodAttributes.FamORAssem) == MethodAttributes.FamORAssem){
- //
- // when overriding protected internal, the method can be declared
- // protected internal only within the same assembly
- //
+ /// <summary>
+ /// Use this method when MethodBuilder is null
+ /// </summary>
+ public virtual string GetSignatureForError (TypeContainer tc)
+ {
+ return Name;
+ }
- if ((thisp & MethodAttributes.FamORAssem) == MethodAttributes.FamORAssem){
- if (parent.TypeBuilder.Assembly != mb.DeclaringType.Assembly){
- //
- // assemblies differ - report an error
- //
-
- Error_CannotChangeAccessModifiers (parent, mb, name);
- ok = false;
- } else if (thisp != parentp) {
- //
- // same assembly, but other attributes differ - report an error
- //
-
- Error_CannotChangeAccessModifiers (parent, mb, name);
- ok = false;
- };
- } else if ((thisp & MethodAttributes.Family) != MethodAttributes.Family) {
- //
- // if it's not "protected internal", it must be "protected"
- //
-
- Error_CannotChangeAccessModifiers (parent, mb, name);
- ok = false;
- } else if (parent.TypeBuilder.Assembly == mb.DeclaringType.Assembly) {
- //
- // protected within the same assembly - an error
- //
- Error_CannotChangeAccessModifiers (parent, mb, name);
- ok = false;
- } else if ((thisp & ~(MethodAttributes.Family | MethodAttributes.FamORAssem)) !=
- (parentp & ~(MethodAttributes.Family | MethodAttributes.FamORAssem))) {
- //
- // protected ok, but other attributes differ - report an error
- //
- Error_CannotChangeAccessModifiers (parent, mb, name);
- ok = false;
- }
- } else {
- if (thisp != parentp){
- Error_CannotChangeAccessModifiers (parent, mb, name);
- ok = false;
- }
- }
- }
+ /// <summary>
+ /// Base Emit method. This is also entry point for CLS-Compliant verification.
+ /// </summary>
+ public virtual void Emit ()
+ {
+ // Hack with Parent == null is for EnumMember
+ if (Parent == null || (GetObsoleteAttribute (Parent) == null && Parent.GetObsoleteAttribute (Parent) == null))
+ VerifyObsoleteAttribute ();
- if (mb.IsVirtual || mb.IsAbstract){
- if ((ModFlags & (Modifiers.NEW | Modifiers.OVERRIDE)) == 0){
- if (Name != "Finalize"){
- Report.Warning (
- 114, 2, Location, parent.MakeName (Name) +
- " hides inherited member `" + name +
- "'. To make the current member override that " +
- "implementation, add the override keyword, " +
- "otherwise use the new keyword");
- ModFlags |= Modifiers.NEW;
- }
- }
- } else {
- if ((ModFlags & (Modifiers.NEW | Modifiers.OVERRIDE)) == 0){
- if (Name != "Finalize"){
- Report.Warning (
- 108, 1, Location, "The keyword new is required on " +
- parent.MakeName (Name) + " because it hides " +
- "inherited member `" + name + "'");
- ModFlags |= Modifiers.NEW;
- }
- }
- }
+ if (!RootContext.VerifyClsCompliance)
+ return;
- return ok;
+ VerifyClsCompliance (Parent);
}
- public abstract bool Define (TypeContainer parent);
-
//
// Whehter is it ok to use an unsafe pointer in this type container
//
Expression.UnsafeError (Location);
return false;
}
- }
- //
- // FIXME: This is temporary outside DeclSpace, because I have to fix a bug
- // in MCS that makes it fail the lookup for the enum
- //
+ /// <summary>
+ /// Returns instance of ObsoleteAttribute for this MemberCore
+ /// </summary>
+ public ObsoleteAttribute GetObsoleteAttribute (DeclSpace ds)
+ {
+ // ((flags & (Flags.Obsolete_Undetected | Flags.Obsolete)) == 0) is slower, but why ?
+ if ((caching_flags & Flags.Obsolete_Undetected) == 0 && (caching_flags & Flags.Obsolete) == 0) {
+ return null;
+ }
+
+ caching_flags &= ~Flags.Obsolete_Undetected;
+
+ if (OptAttributes == null)
+ return null;
+
+ // TODO: remove this allocation
+ EmitContext ec = new EmitContext (ds.Parent, ds, ds.Location,
+ null, null, ds.ModFlags, false);
+
+ Attribute obsolete_attr = OptAttributes.Search (TypeManager.obsolete_attribute_type, ec);
+ if (obsolete_attr == null)
+ return null;
+
+ ObsoleteAttribute obsolete = obsolete_attr.GetObsoleteAttribute (ds);
+ if (obsolete == null)
+ return null;
+
+ caching_flags |= Flags.Obsolete;
+ return obsolete;
+ }
+
+ /// <summary>
+ /// Analyze whether CLS-Compliant verification must be execute for this MemberCore.
+ /// </summary>
+ public override bool IsClsCompliaceRequired (DeclSpace container)
+ {
+ if ((caching_flags & Flags.ClsCompliance_Undetected) == 0)
+ return (caching_flags & Flags.ClsCompliant) != 0;
+
+ if (GetClsCompliantAttributeValue (container) && IsExposedFromAssembly (container)) {
+ caching_flags &= ~Flags.ClsCompliance_Undetected;
+ caching_flags |= Flags.ClsCompliant;
+ return true;
+ }
+
+ caching_flags &= ~Flags.ClsCompliance_Undetected;
+ return false;
+ }
+
+ /// <summary>
+ /// Returns true when MemberCore is exposed from assembly.
+ /// </summary>
+ protected bool IsExposedFromAssembly (DeclSpace ds)
+ {
+ if ((ModFlags & (Modifiers.PUBLIC | Modifiers.PROTECTED)) == 0)
+ return false;
+
+ DeclSpace parentContainer = ds;
+ while (parentContainer != null && parentContainer.ModFlags != 0) {
+ if ((parentContainer.ModFlags & (Modifiers.PUBLIC | Modifiers.PROTECTED)) == 0)
+ return false;
+ parentContainer = parentContainer.Parent;
+ }
+ return true;
+ }
+
+ /// <summary>
+ /// Resolve CLSCompliantAttribute value or gets cached value.
+ /// </summary>
+ bool GetClsCompliantAttributeValue (DeclSpace ds)
+ {
+ if (OptAttributes != null) {
+ EmitContext ec = new EmitContext (ds.Parent, ds, ds.Location,
+ null, null, ds.ModFlags, false);
+ Attribute cls_attribute = OptAttributes.GetClsCompliantAttribute (ec);
+ if (cls_attribute != null) {
+ caching_flags |= Flags.HasClsCompliantAttribute;
+ return cls_attribute.GetClsCompliantAttributeValue (ds);
+ }
+ }
+ return ds.GetClsCompliantAttributeValue ();
+ }
/// <summary>
- /// The result value from adding an declaration into
- /// a struct or a class
+ /// Returns true if MemberCore is explicitly marked with CLSCompliantAttribute
/// </summary>
- public enum AdditionResult {
- /// <summary>
- /// The declaration has been successfully
- /// added to the declation space.
- /// </summary>
- Success,
-
- /// <summary>
- /// The symbol has already been defined.
- /// </summary>
- NameExists,
-
- /// <summary>
- /// Returned if the declation being added to the
- /// name space clashes with its container name.
- ///
- /// The only exceptions for this are constructors
- /// and static constructors
- /// </summary>
- EnclosingClash,
-
- /// <summary>
- /// Returned if a constructor was created (because syntactically
- /// it looked like a constructor) but was not (because the name
- /// of the method is not the same as the container class
- /// </summary>
- NotAConstructor,
-
- /// <summary>
- /// This is only used by static constructors to emit the
- /// error 111, but this error for other things really
- /// happens at another level for other functions.
- /// </summary>
- MethodExists
+ protected bool HasClsCompliantAttribute {
+ get {
+ return (caching_flags & Flags.HasClsCompliantAttribute) != 0;
+ }
}
+
+ /// <summary>
+ /// The main virtual method for CLS-Compliant verifications.
+ /// The method returns true if member is CLS-Compliant and false if member is not
+ /// CLS-Compliant which means that CLS-Compliant tests are not necessary. A descendants override it
+ /// and add their extra verifications.
+ /// </summary>
+ protected virtual bool VerifyClsCompliance (DeclSpace ds)
+ {
+ if (!IsClsCompliaceRequired (ds)) {
+ if ((RootContext.WarningLevel >= 2) && HasClsCompliantAttribute && !IsExposedFromAssembly (ds)) {
+ Report.Warning (3019, Location, "CLS compliance checking will not be performed on '{0}' because it is private or internal", GetSignatureForError ());
+ }
+ return false;
+ }
+
+ if (!CodeGen.Assembly.IsClsCompliant) {
+ if (HasClsCompliantAttribute) {
+ Report.Error (3014, Location, "'{0}' cannot be marked as CLS-compliant because the assembly does not have a CLSCompliant attribute", GetSignatureForError ());
+ }
+ return false;
+ }
+
+ int index = Name.LastIndexOf ('.');
+ if (Name [index > 0 ? index + 1 : 0] == '_') {
+ Report.Error (3008, Location, "Identifier '{0}' is not CLS-compliant", GetSignatureForError () );
+ }
+ return true;
+ }
+
+ protected abstract void VerifyObsoleteAttribute ();
+
+ }
+
/// <summary>
/// Base class for structs, classes, enumerations and interfaces.
/// </summary>
/// </summary>
public TypeBuilder TypeBuilder;
- /// <summary>
- /// This variable tracks whether we have Closed the type
- /// </summary>
- public bool Created = false;
-
//
// This is the namespace in which this typecontainer
// was declared. We use this to resolve names.
//
- public Namespace Namespace;
+ public NamespaceEntry NamespaceEntry;
public Hashtable Cache = new Hashtable ();
public string Basename;
- /// <summary>
- /// defined_names is used for toplevel objects
- /// </summary>
protected Hashtable defined_names;
- TypeContainer parent;
+ static string[] attribute_targets = new string [] { "type" };
- public DeclSpace (TypeContainer parent, string name, Location l)
- : base (name, l)
+ public DeclSpace (NamespaceEntry ns, TypeContainer parent, MemberName name,
+ Attributes attrs, Location l)
+ : base (parent, name, attrs, l)
{
- Basename = name.Substring (1 + name.LastIndexOf ('.'));
+ NamespaceEntry = ns;
+ Basename = name.Name;
defined_names = new Hashtable ();
- this.parent = parent;
}
/// <summary>
- /// Returns a status code based purely on the name
- /// of the member being added
+ /// Adds the member to defined_names table. It tests for duplications and enclosing name conflicts
/// </summary>
- protected AdditionResult IsValid (string basename, string name)
+ protected bool AddToContainer (MemberCore symbol, bool is_method, string fullname, string basename)
{
- if (basename == Basename)
- return AdditionResult.EnclosingClash;
+ if (basename == Basename) {
+ Report.SymbolRelatedToPreviousError (this);
+ Report.Error (542, "'{0}': member names cannot be the same as their enclosing type", symbol.Location, symbol.GetSignatureForError ());
+ return false;
+ }
- if (defined_names.Contains (name))
- return AdditionResult.NameExists;
+ MemberCore mc = (MemberCore)defined_names [fullname];
+
+ if (is_method && (mc is MethodCore || mc is IMethodData)) {
+ symbol.caching_flags |= Flags.TestMethodDuplication;
+ mc.caching_flags |= Flags.TestMethodDuplication;
+ return true;
+ }
+
+ if (mc != null) {
+ Report.SymbolRelatedToPreviousError (mc);
+ Report.Error (102, symbol.Location, "The type '{0}' already contains a definition for '{1}'", GetSignatureForError (), basename);
+ return false;
+ }
- return AdditionResult.Success;
+ defined_names.Add (fullname, symbol);
+ return true;
}
- public static int length;
- public static int small;
-
- /// <summary>
- /// Introduce @name into this declaration space and
- /// associates it with the object @o. Note that for
- /// methods this will just point to the first method. o
- /// </summary>
- protected void DefineName (string name, object o)
+ public void RecordDecl ()
{
- defined_names.Add (name, o);
-
-#if DEBUGME
- int p = name.LastIndexOf (".");
- int l = name.Length;
- length += l;
- small += l -p;
-#endif
+ if ((NamespaceEntry != null) && (Parent == RootContext.Tree.Types))
+ NamespaceEntry.DefineName (MemberName.Basename, this);
}
/// <summary>
- /// Returns the object associated with a given name in the declaration
- /// space. This is the inverse operation of `DefineName'
+ /// Returns the MemberCore associated with a given name in the declaration
+ /// space. It doesn't return method based symbols !!
/// </summary>
- public object GetDefinition (string name)
+ ///
+ public MemberCore GetDefinition (string name)
{
- return defined_names [name];
+ return (MemberCore)defined_names [name];
}
bool in_transit = false;
}
}
- public TypeContainer Parent {
- get {
- return parent;
- }
- }
-
/// <summary>
/// Looks up the alias for the name
/// </summary>
public string LookupAlias (string name)
{
- if (Namespace != null)
- return Namespace.LookupAlias (name);
+ if (NamespaceEntry != null)
+ return NamespaceEntry.LookupAlias (name);
else
return null;
}
//
public bool IsTopLevel {
get {
- if (parent != null){
- if (parent.parent == null)
+ if (Parent != null){
+ if (Parent.Parent == null)
return true;
}
return false;
public virtual void CloseType ()
{
- if (!Created){
+ if ((caching_flags & Flags.CloseTypeCreated) == 0){
try {
TypeBuilder.CreateType ();
} catch {
// Note that this still creates the type and
// it is possible to save it
}
- Created = true;
+ caching_flags |= Flags.CloseTypeCreated;
}
}
/// <remarks>
/// Should be overriten by the appropriate declaration space
- /// <remarks>
+ /// </remarks>
public abstract TypeBuilder DefineType ();
/// <summary>
get {
if ((ModFlags & Modifiers.UNSAFE) != 0)
return true;
- if (parent != null)
- return parent.UnsafeContext;
+ if (Parent != null)
+ return Parent.UnsafeContext;
return false;
}
}
public Type ResolveType (Expression e, bool silent, Location loc)
{
if (type_resolve_ec == null)
- type_resolve_ec = GetTypeResolveEmitContext (parent, loc);
+ type_resolve_ec = GetTypeResolveEmitContext (Parent, loc);
type_resolve_ec.loc = loc;
type_resolve_ec.ContainerType = TypeBuilder;
int errors = Report.Errors;
- Expression d = e.ResolveAsTypeTerminal (type_resolve_ec);
+ TypeExpr d = e.ResolveAsTypeTerminal (type_resolve_ec);
if (d == null || d.eclass != ExprClass.Type){
if (!silent && errors == Report.Errors){
return null;
}
- if (!CheckAccessLevel (d.Type)) {
- Report. Error (122, loc, "`" + d.Type + "' " +
- "is inaccessible because of its protection level");
+ if (!d.CheckAccessLevel (this)) {
+ Report.Error (122, loc, "'{0}' is inaccessible due to its protection level", d.Name);
return null;
}
// Resolves the expression `e' for a type, and will recursively define
// types.
// </summary>
- public Expression ResolveTypeExpr (Expression e, bool silent, Location loc)
+ public TypeExpr ResolveTypeExpr (Expression e, bool silent, Location loc)
{
if (type_resolve_ec == null)
- type_resolve_ec = GetTypeResolveEmitContext (parent, loc);
+ type_resolve_ec = GetTypeResolveEmitContext (Parent, loc);
type_resolve_ec.loc = loc;
type_resolve_ec.ContainerType = TypeBuilder;
- Expression d = e.ResolveAsTypeTerminal (type_resolve_ec);
+ TypeExpr d = e.ResolveAsTypeTerminal (type_resolve_ec);
if (d == null || d.eclass != ExprClass.Type){
if (!silent){
return d;
}
- bool CheckAccessLevel (Type check_type)
+ public bool CheckAccessLevel (Type check_type)
{
if (check_type == TypeBuilder)
return true;
// NonPublic visibility for pointers
//
if (check_type.IsArray || check_type.IsPointer)
- return CheckAccessLevel (check_type.GetElementType ());
+ return CheckAccessLevel (TypeManager.GetElementType (check_type));
- if (check_attr == TypeAttributes.Public)
+ switch (check_attr){
+ case TypeAttributes.Public:
return true;
-
- if (check_attr == TypeAttributes.NestedPublic)
+
+ case TypeAttributes.NotPublic:
+
+ // In same cases is null.
+ if (TypeBuilder == null)
+ return true;
+
+ //
+ // This test should probably use the declaringtype.
+ //
+ return check_type.Assembly == TypeBuilder.Assembly;
+
+ case TypeAttributes.NestedPublic:
return true;
- if (check_attr == TypeAttributes.NestedPrivate){
+ case TypeAttributes.NestedPrivate:
string check_type_name = check_type.FullName;
string type_name = TypeBuilder.FullName;
- int cio = check_type_name.LastIndexOf ("+");
+ int cio = check_type_name.LastIndexOf ('+');
string container = check_type_name.Substring (0, cio);
//
}
return false;
+
+ case TypeAttributes.NestedFamily:
+ //
+ // Only accessible to methods in current type or any subtypes
+ //
+ return FamilyAccessible (check_type);
+
+ case TypeAttributes.NestedFamANDAssem:
+ return (check_type.Assembly == TypeBuilder.Assembly) &&
+ FamilyAccessible (check_type);
+
+ case TypeAttributes.NestedFamORAssem:
+ return (check_type.Assembly == TypeBuilder.Assembly) ||
+ FamilyAccessible (check_type);
+
+ case TypeAttributes.NestedAssembly:
+ return check_type.Assembly == TypeBuilder.Assembly;
}
+
+ Console.WriteLine ("HERE: " + check_attr);
+ return false;
+
+ }
+
+ protected bool FamilyAccessible (Type check_type)
+ {
+ Type declaring = check_type.DeclaringType;
+ if (TypeBuilder.IsSubclassOf (declaring))
+ return true;
+
+ string check_type_name = check_type.FullName;
- if (check_type.Assembly == TypeBuilder.Assembly){
+ int cio = check_type_name.LastIndexOf ('+');
+ string container = check_type_name.Substring (0, cio);
+
+ //
+ // Check if the check_type is a nested class of the current type
+ //
+ if (check_type_name.StartsWith (container + "+"))
return true;
- }
return false;
+ }
+
+ // Access level of a type.
+ const int X = 1;
+ enum AccessLevel { // Each column represents `is this scope larger or equal to Blah scope'
+ // Public Assembly Protected
+ Protected = (0 << 0) | (0 << 1) | (X << 2),
+ Public = (X << 0) | (X << 1) | (X << 2),
+ Private = (0 << 0) | (0 << 1) | (0 << 2),
+ Internal = (0 << 0) | (X << 1) | (0 << 2),
+ ProtectedOrInternal = (0 << 0) | (X << 1) | (X << 2),
+ }
+
+ static AccessLevel GetAccessLevelFromModifiers (int flags)
+ {
+ if ((flags & Modifiers.INTERNAL) != 0) {
+
+ if ((flags & Modifiers.PROTECTED) != 0)
+ return AccessLevel.ProtectedOrInternal;
+ else
+ return AccessLevel.Internal;
+
+ } else if ((flags & Modifiers.PROTECTED) != 0)
+ return AccessLevel.Protected;
+
+ else if ((flags & Modifiers.PRIVATE) != 0)
+ return AccessLevel.Private;
+
+ else
+ return AccessLevel.Public;
+ }
+
+ // What is the effective access level of this?
+ // TODO: Cache this?
+ AccessLevel EffectiveAccessLevel {
+ get {
+ AccessLevel myAccess = GetAccessLevelFromModifiers (ModFlags);
+ if (!IsTopLevel && (Parent != null))
+ return myAccess & Parent.EffectiveAccessLevel;
+ else
+ return myAccess;
+ }
+ }
+ // Return the access level for type `t'
+ static AccessLevel TypeEffectiveAccessLevel (Type t)
+ {
+ if (t.IsPublic)
+ return AccessLevel.Public;
+ if (t.IsNestedPrivate)
+ return AccessLevel.Private;
+ if (t.IsNotPublic)
+ return AccessLevel.Internal;
+
+ // By now, it must be nested
+ AccessLevel parentLevel = TypeEffectiveAccessLevel (t.DeclaringType);
+
+ if (t.IsNestedPublic)
+ return parentLevel;
+ if (t.IsNestedAssembly)
+ return parentLevel & AccessLevel.Internal;
+ if (t.IsNestedFamily)
+ return parentLevel & AccessLevel.Protected;
+ if (t.IsNestedFamORAssem)
+ return parentLevel & AccessLevel.ProtectedOrInternal;
+ if (t.IsNestedFamANDAssem)
+ throw new NotImplementedException ("NestedFamANDAssem not implemented, cant make this kind of type from c# anyways");
+
+ // nested private is taken care of
+
+ throw new Exception ("I give up, what are you?");
+ }
+
+ //
+ // This answers `is the type P, as accessible as a member M which has the
+ // accessability @flags which is declared as a nested member of the type T, this declspace'
+ //
+ public bool AsAccessible (Type p, int flags)
+ {
+ //
+ // 1) if M is private, its accessability is the same as this declspace.
+ // we already know that P is accessible to T before this method, so we
+ // may return true.
+ //
+
+ if ((flags & Modifiers.PRIVATE) != 0)
+ return true;
+
+ while (p.IsArray || p.IsPointer || p.IsByRef)
+ p = TypeManager.GetElementType (p);
+
+ AccessLevel pAccess = TypeEffectiveAccessLevel (p);
+ AccessLevel mAccess = this.EffectiveAccessLevel &
+ GetAccessLevelFromModifiers (flags);
+
+ // for every place from which we can access M, we must
+ // be able to access P as well. So, we want
+ // For every bit in M and P, M_i -> P_1 == true
+ // or, ~ (M -> P) == 0 <-> ~ ( ~M | P) == 0
+
+ return ~ (~ mAccess | pAccess) == 0;
}
+
+ static DoubleHash dh = new DoubleHash (1000);
+
+ Type DefineTypeAndParents (DeclSpace tc)
+ {
+ DeclSpace container = tc.Parent;
+ if (container.TypeBuilder == null && container.Name != "")
+ DefineTypeAndParents (container);
+ return tc.DefineType ();
+ }
+
Type LookupInterfaceOrClass (string ns, string name, out bool error)
{
DeclSpace parent;
Type t;
-
+ object r;
+
error = false;
+ int p = name.LastIndexOf ('.');
- name = MakeFQN (ns, name);
- t = TypeManager.LookupType (name);
- if (t != null)
+ if (dh.Lookup (ns, name, out r))
+ return (Type) r;
+ else {
+ //
+ // If the type is not a nested type, we do not need `LookupType's processing.
+ // If the @name does not have a `.' in it, this cant be a nested type.
+ //
+ if (ns != ""){
+ if (Namespace.IsNamespace (ns)) {
+ if (p != -1)
+ t = TypeManager.LookupType (ns + "." + name);
+ else
+ t = TypeManager.LookupTypeDirect (ns + "." + name);
+ } else
+ t = null;
+ } else if (p != -1)
+ t = TypeManager.LookupType (name);
+ else
+ t = TypeManager.LookupTypeDirect (name);
+ }
+
+ if (t != null) {
+ dh.Insert (ns, name, t);
return t;
+ }
- parent = (DeclSpace) RootContext.Tree.Decls [name];
- if (parent == null)
- return null;
+ //
+ // In case we are fed a composite name, normalize it.
+ //
+
+ if (p != -1){
+ ns = MakeFQN (ns, name.Substring (0, p));
+ name = name.Substring (p+1);
+ }
- t = parent.DefineType ();
+ parent = RootContext.Tree.LookupByNamespace (ns, name);
+ if (parent == null) {
+ dh.Insert (ns, name, null);
+ return null;
+ }
+
+ t = DefineTypeAndParents (parent);
if (t == null){
- Report.Error (146, Location, "Class definition is circular: `"+name+"'");
error = true;
return null;
}
+
+ dh.Insert (ns, name, t);
return t;
}
DeclSpace containing_ds = this;
while (containing_ds != null){
- Type current_type = containing_ds.TypeBuilder;
+ Type container_type = containing_ds.TypeBuilder;
+ Type current_type = container_type;
- while (current_type != null) {
+ while (current_type != null && current_type != TypeManager.object_type) {
string pre = current_type.FullName;
t = LookupInterfaceOrClass (pre, name, out error);
if (error)
return null;
- if (t != null)
+ if ((t != null) && containing_ds.CheckAccessLevel (t))
return t;
current_type = current_type.BaseType;
}
containing_ds = containing_ds.Parent;
}
-
+
//
// Attempt to lookup the class on our namespace and all it's implicit parents
//
- for (string ns = Namespace.Name; ns != null; ns = RootContext.ImplicitParent (ns)) {
-
- t = LookupInterfaceOrClass (ns, name, out error);
+ for (NamespaceEntry ns = NamespaceEntry; ns != null; ns = ns.ImplicitParent) {
+ t = LookupInterfaceOrClass (ns.FullName, name, out error);
if (error)
return null;
// namespaces
//
- for (Namespace ns = Namespace; ns != null; ns = ns.Parent){
+ for (NamespaceEntry ns = NamespaceEntry; ns != null; ns = ns.Parent){
- t = LookupInterfaceOrClass (ns.Name, name, out error);
+ t = LookupInterfaceOrClass (ns.FullName, name, out error);
if (error)
return null;
if (t != null)
return t;
+ if (name.IndexOf ('.') > 0)
+ continue;
+
+ string alias_value = ns.LookupAlias (name);
+ if (alias_value != null) {
+ t = LookupInterfaceOrClass ("", alias_value, out error);
+ if (error)
+ return null;
+
+ if (t != null)
+ return t;
+ }
+
//
// Now check the using clause list
//
- ArrayList using_list = ns.UsingTable;
-
- if (using_list == null)
- continue;
-
Type match = null;
- foreach (Namespace.UsingEntry ue in using_list){
- match = LookupInterfaceOrClass (ue.Name, name, out error);
+ foreach (Namespace using_ns in ns.GetUsingTable ()) {
+ match = LookupInterfaceOrClass (using_ns.Name, name, out error);
if (error)
return null;
if (match != null){
if (t != null){
- Error_AmbiguousTypeReference (loc, name, t, match);
- return null;
+ if (CheckAccessLevel (match)) {
+ Error_AmbiguousTypeReference (loc, name, t, match);
+ return null;
+ }
+ continue;
}
t = match;
public abstract MemberCache MemberCache {
get;
}
+
+ public override void ApplyAttributeBuilder (Attribute a, CustomAttributeBuilder cb)
+ {
+ try {
+ TypeBuilder.SetCustomAttribute (cb);
+ } catch (System.ArgumentException e) {
+ Report.Warning (-21, a.Location,
+ "The CharSet named property on StructLayout\n"+
+ "\tdoes not work correctly on Microsoft.NET\n"+
+ "\tYou might want to remove the CharSet declaration\n"+
+ "\tor compile using the Mono runtime instead of the\n"+
+ "\tMicrosoft .NET runtime\n"+
+ "\tThe runtime gave the error: " + e);
+ }
+ }
+
+ /// <summary>
+ /// Goes through class hierarchy and get value of first CLSCompliantAttribute that found.
+ /// If no is attribute exists then return assembly CLSCompliantAttribute.
+ /// </summary>
+ public bool GetClsCompliantAttributeValue ()
+ {
+ if ((caching_flags & Flags.HasCompliantAttribute_Undetected) == 0)
+ return (caching_flags & Flags.ClsCompliantAttributeTrue) != 0;
+
+ caching_flags &= ~Flags.HasCompliantAttribute_Undetected;
+
+ if (OptAttributes != null) {
+ EmitContext ec = new EmitContext (Parent, this, Location,
+ null, null, ModFlags, false);
+ Attribute cls_attribute = OptAttributes.GetClsCompliantAttribute (ec);
+ if (cls_attribute != null) {
+ caching_flags |= Flags.HasClsCompliantAttribute;
+ if (cls_attribute.GetClsCompliantAttributeValue (this)) {
+ caching_flags |= Flags.ClsCompliantAttributeTrue;
+ return true;
+ }
+ return false;
+ }
+ }
+
+ if (Parent == null) {
+ if (CodeGen.Assembly.IsClsCompliant) {
+ caching_flags |= Flags.ClsCompliantAttributeTrue;
+ return true;
+ }
+ return false;
+ }
+
+ if (Parent.GetClsCompliantAttributeValue ()) {
+ caching_flags |= Flags.ClsCompliantAttributeTrue;
+ return true;
+ }
+ return false;
+ }
+
+ public override string[] ValidAttributeTargets {
+ get {
+ return attribute_targets;
+ }
+ }
}
/// <summary>
/// This is used when creating the member cache for a class to get all
/// members from the parent class.
/// </summary>
- IMemberContainer Parent {
+ IMemberContainer ParentContainer {
get;
}
public readonly IMemberContainer Container;
protected Hashtable member_hash;
protected Hashtable method_hash;
- protected Hashtable interface_hash;
-
+
/// <summary>
/// Create a new MemberCache for the given IMemberContainer `container'.
/// </summary>
Timer.IncrementCounter (CounterType.MemberCache);
Timer.StartTimer (TimerType.CacheInit);
- interface_hash = new Hashtable ();
+
// If we have a parent class (we have a parent class unless we're
// TypeManager.object_type), we deep-copy its MemberCache here.
- if (Container.Parent != null)
- member_hash = SetupCache (Container.Parent.MemberCache);
- else if (Container.IsInterface)
- member_hash = SetupCacheForInterface ();
+ if (Container.IsInterface) {
+ MemberCache parent;
+
+ if (Container.ParentContainer != null)
+ parent = Container.ParentContainer.MemberCache;
+ else
+ parent = TypeHandle.ObjectType.MemberCache;
+ member_hash = SetupCacheForInterface (parent);
+ } else if (Container.ParentContainer != null)
+ member_hash = SetupCache (Container.ParentContainer.MemberCache);
else
member_hash = new Hashtable ();
IDictionaryEnumerator it = parent.member_hash.GetEnumerator ();
while (it.MoveNext ()) {
hash [it.Key] = ((ArrayList) it.Value).Clone ();
- }
-
+ }
+
return hash;
}
- void AddInterfaces (MemberCache parent)
- {
- foreach (Type iface in parent.interface_hash.Keys) {
- if (!interface_hash.Contains (iface))
- interface_hash.Add (iface, true);
- }
- }
/// <summary>
/// Add the contents of `new_hash' to `hash'.
/// </summary>
- void AddHashtable (Hashtable hash, Hashtable new_hash)
+ void AddHashtable (Hashtable hash, MemberCache cache)
{
+ Hashtable new_hash = cache.member_hash;
IDictionaryEnumerator it = new_hash.GetEnumerator ();
while (it.MoveNext ()) {
ArrayList list = (ArrayList) hash [it.Key];
- if (list != null)
- list.AddRange ((ArrayList) it.Value);
- else
- hash [it.Key] = ((ArrayList) it.Value).Clone ();
+ if (list == null)
+ hash [it.Key] = list = new ArrayList ();
+
+ foreach (CacheEntry entry in (ArrayList) it.Value) {
+ if (entry.Container != cache.Container)
+ break;
+ list.Add (entry);
+ }
}
}
/// Type.GetMembers() won't return any inherited members for interface types,
/// so we need to do this manually. Interfaces also inherit from System.Object.
/// </summary>
- Hashtable SetupCacheForInterface ()
+ Hashtable SetupCacheForInterface (MemberCache parent)
{
- Hashtable hash = SetupCache (TypeHandle.ObjectType.MemberCache);
- Type [] ifaces = TypeManager.GetInterfaces (Container.Type);
+ Hashtable hash = SetupCache (parent);
+ TypeExpr [] ifaces = TypeManager.GetInterfaces (Container.Type);
- foreach (Type iface in ifaces) {
- if (interface_hash.Contains (iface))
- continue;
- interface_hash.Add (iface, true);
+ foreach (TypeExpr iface in ifaces) {
+ Type itype = iface.Type;
IMemberContainer iface_container =
- TypeManager.LookupMemberContainer (iface);
+ TypeManager.LookupMemberContainer (itype);
MemberCache iface_cache = iface_container.MemberCache;
- AddHashtable (hash, iface_cache.member_hash);
- AddInterfaces (iface_cache);
+
+ AddHashtable (hash, iface_cache);
}
return hash;
void AddMembers (MemberTypes mt, BindingFlags bf, IMemberContainer container)
{
MemberList members = container.GetMembers (mt, bf);
- BindingFlags new_bf = (container == Container) ?
- bf | BindingFlags.DeclaredOnly : bf;
foreach (MemberInfo member in members) {
string name = member.Name;
{
MemberInfo [] members = type.GetMethods (bf);
+ Array.Reverse (members);
+
foreach (MethodBase member in members) {
string name = member.Name;
- // Varargs methods aren't allowed in C# code.
- if ((member.CallingConvention & CallingConventions.VarArgs) != 0)
- continue;
-
// We use a name-based hash table of ArrayList's.
ArrayList list = (ArrayList) method_hash [name];
if (list == null) {
list.Add (new CacheEntry (Container, member, MemberTypes.Method, new_bf));
}
+
+
}
/// <summary>
/// The lookup process will automatically restart itself in method-only
/// search mode if it discovers that it's about to return methods.
/// </summary>
- public MemberList FindMembers (MemberTypes mt, BindingFlags bf, string name,
- MemberFilter filter, object criteria)
+ ArrayList global = new ArrayList ();
+ bool using_global = false;
+
+ static MemberInfo [] emptyMemberInfo = new MemberInfo [0];
+
+ public MemberInfo [] FindMembers (MemberTypes mt, BindingFlags bf, string name,
+ MemberFilter filter, object criteria)
{
+ if (using_global)
+ throw new Exception ();
+
bool declared_only = (bf & BindingFlags.DeclaredOnly) != 0;
bool method_search = mt == MemberTypes.Method;
// If we have a method cache and we aren't already doing a method-only search,
applicable = (ArrayList) method_hash [name];
else
applicable = (ArrayList) member_hash [name];
-
+
if (applicable == null)
- return MemberList.Empty;
+ return emptyMemberInfo;
- ArrayList list = new ArrayList ();
+ //
+ // 32 slots gives 53 rss/54 size
+ // 2/4 slots gives 55 rss
+ //
+ // Strange: from 25,000 calls, only 1,800
+ // are above 2. Why does this impact it?
+ //
+ global.Clear ();
+ using_global = true;
Timer.StartTimer (TimerType.CachedLookup);
IMemberContainer current = Container;
+
// `applicable' is a list of all members with the given member name `name'
// in the current class and all its parent classes. The list is sorted in
// reverse order due to the way how the cache is initialy created (to speed
// iteration of this loop if there are no members with the name we're
// looking for in the current class).
if (entry.Container != current) {
- if (declared_only || DoneSearching (list))
+ if (declared_only || DoneSearching (global))
break;
current = entry.Container;
if (filter (entry.Member, criteria)) {
if ((entry.EntryType & EntryType.MaskType) != EntryType.Method)
do_method_search = false;
- list.Add (entry.Member);
+ global.Add (entry.Member);
}
}
// search, we restart in method-only search mode if the first match is
// a method. This ensures that we return a MemberInfo with the correct
// ReflectedType for inherited methods.
- if (do_method_search && (list.Count > 0)){
+ if (do_method_search && (global.Count > 0)){
+ using_global = false;
+
return FindMembers (MemberTypes.Method, bf, name, filter, criteria);
}
- return new MemberList (list);
+ using_global = false;
+ MemberInfo [] copy = new MemberInfo [global.Count];
+ global.CopyTo (copy);
+ return copy;
+ }
+
+ // find the nested type @name in @this.
+ public Type FindNestedType (string name)
+ {
+ ArrayList applicable = (ArrayList) member_hash [name];
+ if (applicable == null)
+ return null;
+
+ for (int i = applicable.Count-1; i >= 0; i--) {
+ CacheEntry entry = (CacheEntry) applicable [i];
+ if ((entry.EntryType & EntryType.NestedType & EntryType.MaskType) != 0)
+ return (Type) entry.Member;
+ }
+
+ return null;
+ }
+
+ //
+ // This finds the method or property for us to override. invocationType is the type where
+ // the override is going to be declared, name is the name of the method/property, and
+ // paramTypes is the parameters, if any to the method or property
+ //
+ // Because the MemberCache holds members from this class and all the base classes,
+ // we can avoid tons of reflection stuff.
+ //
+ public MemberInfo FindMemberToOverride (Type invocationType, string name, Type [] paramTypes, bool is_property)
+ {
+ ArrayList applicable;
+ if (method_hash != null && !is_property)
+ applicable = (ArrayList) method_hash [name];
+ else
+ applicable = (ArrayList) member_hash [name];
+
+ if (applicable == null)
+ return null;
+ //
+ // Walk the chain of methods, starting from the top.
+ //
+ for (int i = applicable.Count - 1; i >= 0; i--) {
+ CacheEntry entry = (CacheEntry) applicable [i];
+
+ if ((entry.EntryType & (is_property ? (EntryType.Property | EntryType.Field) : EntryType.Method)) == 0)
+ continue;
+
+ PropertyInfo pi = null;
+ MethodInfo mi = null;
+ FieldInfo fi = null;
+ Type [] cmpAttrs = null;
+
+ if (is_property) {
+ if ((entry.EntryType & EntryType.Field) != 0) {
+ fi = (FieldInfo)entry.Member;
+
+ // TODO: For this case we ignore member type
+ //fb = TypeManager.GetField (fi);
+ //cmpAttrs = new Type[] { fb.MemberType };
+ } else {
+ pi = (PropertyInfo) entry.Member;
+ cmpAttrs = TypeManager.GetArgumentTypes (pi);
+ }
+ } else {
+ mi = (MethodInfo) entry.Member;
+ cmpAttrs = TypeManager.GetArgumentTypes (mi);
+ }
+
+ if (fi != null) {
+ // TODO: Almost duplicate !
+ // Check visibility
+ switch (fi.Attributes & FieldAttributes.FieldAccessMask) {
+ case FieldAttributes.Private:
+ //
+ // A private method is Ok if we are a nested subtype.
+ // The spec actually is not very clear about this, see bug 52458.
+ //
+ if (invocationType != entry.Container.Type &
+ TypeManager.IsNestedChildOf (invocationType, entry.Container.Type))
+ continue;
+
+ break;
+ case FieldAttributes.FamANDAssem:
+ case FieldAttributes.Assembly:
+ //
+ // Check for assembly methods
+ //
+ if (mi.DeclaringType.Assembly != CodeGen.Assembly.Builder)
+ continue;
+ break;
+ }
+ return entry.Member;
+ }
+
+ //
+ // Check the arguments
+ //
+ if (cmpAttrs.Length != paramTypes.Length)
+ continue;
+
+ for (int j = cmpAttrs.Length - 1; j >= 0; j --)
+ if (paramTypes [j] != cmpAttrs [j])
+ goto next;
+
+ //
+ // get one of the methods because this has the visibility info.
+ //
+ if (is_property) {
+ mi = pi.GetGetMethod (true);
+ if (mi == null)
+ mi = pi.GetSetMethod (true);
+ }
+
+ //
+ // Check visibility
+ //
+ switch (mi.Attributes & MethodAttributes.MemberAccessMask) {
+ case MethodAttributes.Private:
+ //
+ // A private method is Ok if we are a nested subtype.
+ // The spec actually is not very clear about this, see bug 52458.
+ //
+ if (invocationType == entry.Container.Type ||
+ TypeManager.IsNestedChildOf (invocationType, entry.Container.Type))
+ return entry.Member;
+
+ break;
+ case MethodAttributes.FamANDAssem:
+ case MethodAttributes.Assembly:
+ //
+ // Check for assembly methods
+ //
+ if (mi.DeclaringType.Assembly == CodeGen.Assembly.Builder)
+ return entry.Member;
+
+ break;
+ default:
+ //
+ // A protected method is ok, because we are overriding.
+ // public is always ok.
+ //
+ return entry.Member;
+ }
+ next:
+ ;
+ }
+
+ return null;
}
+
+ /// <summary>
+ /// The method is looking for conflict with inherited symbols (errors CS0108, CS0109).
+ /// We handle two cases. The first is for types without parameters (events, field, properties).
+ /// The second are methods, indexers and this is why ignore_complex_types is here.
+ /// The latest param is temporary hack. See DoDefineMembers method for more info.
+ /// </summary>
+ public MemberInfo FindMemberWithSameName (string name, bool ignore_complex_types, MemberInfo ignore_member)
+ {
+ ArrayList applicable = null;
+
+ if (method_hash != null)
+ applicable = (ArrayList) method_hash [name];
+
+ if (applicable != null) {
+ for (int i = applicable.Count - 1; i >= 0; i--) {
+ CacheEntry entry = (CacheEntry) applicable [i];
+ if ((entry.EntryType & EntryType.Public) != 0)
+ return entry.Member;
+ }
+ }
+
+ if (member_hash == null)
+ return null;
+ applicable = (ArrayList) member_hash [name];
+
+ if (applicable != null) {
+ for (int i = applicable.Count - 1; i >= 0; i--) {
+ CacheEntry entry = (CacheEntry) applicable [i];
+ if ((entry.EntryType & EntryType.Public) != 0 & entry.Member != ignore_member) {
+ if (ignore_complex_types) {
+ if ((entry.EntryType & EntryType.Method) != 0)
+ continue;
+
+ // Does exist easier way how to detect indexer ?
+ if ((entry.EntryType & EntryType.Property) != 0) {
+ Type[] arg_types = TypeManager.GetArgumentTypes ((PropertyInfo)entry.Member);
+ if (arg_types.Length > 0)
+ continue;
+ }
+ }
+ return entry.Member;
+ }
+ }
+ }
+ return null;
+ }
+
+ Hashtable locase_table;
+
+ /// <summary>
+ /// Builds low-case table for CLS Compliance test
+ /// </summary>
+ public Hashtable GetPublicMembers ()
+ {
+ if (locase_table != null)
+ return locase_table;
+
+ locase_table = new Hashtable ();
+ foreach (DictionaryEntry entry in member_hash) {
+ ArrayList members = (ArrayList)entry.Value;
+ for (int ii = 0; ii < members.Count; ++ii) {
+ CacheEntry member_entry = (CacheEntry) members [ii];
+
+ if ((member_entry.EntryType & EntryType.Public) == 0)
+ continue;
+
+ // TODO: Does anyone know easier way how to detect that member is internal ?
+ switch (member_entry.EntryType & EntryType.MaskType) {
+ case EntryType.Constructor:
+ continue;
+
+ case EntryType.Field:
+ if ((((FieldInfo)member_entry.Member).Attributes & (FieldAttributes.Assembly | FieldAttributes.Public)) == FieldAttributes.Assembly)
+ continue;
+ break;
+
+ case EntryType.Method:
+ if ((((MethodInfo)member_entry.Member).Attributes & (MethodAttributes.Assembly | MethodAttributes.Public)) == MethodAttributes.Assembly)
+ continue;
+ break;
+
+ case EntryType.Property:
+ PropertyInfo pi = (PropertyInfo)member_entry.Member;
+ if (pi.GetSetMethod () == null && pi.GetGetMethod () == null)
+ continue;
+ break;
+
+ case EntryType.Event:
+ EventInfo ei = (EventInfo)member_entry.Member;
+ MethodInfo mi = ei.GetAddMethod ();
+ if ((mi.Attributes & (MethodAttributes.Assembly | MethodAttributes.Public)) == MethodAttributes.Assembly)
+ continue;
+ break;
+ }
+ string lcase = ((string)entry.Key).ToLower (System.Globalization.CultureInfo.InvariantCulture);
+ locase_table [lcase] = member_entry.Member;
+ break;
+ }
+ }
+ return locase_table;
+ }
+
+ public Hashtable Members {
+ get {
+ return member_hash;
+ }
+ }
+
+ /// <summary>
+ /// Cls compliance check whether methods or constructors parameters differing only in ref or out, or in array rank
+ /// </summary>
+ public void VerifyClsParameterConflict (ArrayList al, MethodCore method, MemberInfo this_builder)
+ {
+ EntryType tested_type = (method is Constructor ? EntryType.Constructor : EntryType.Method) | EntryType.Public;
+
+ for (int i = 0; i < al.Count; ++i) {
+ MemberCache.CacheEntry entry = (MemberCache.CacheEntry) al [i];
+
+ // skip itself
+ if (entry.Member == this_builder)
+ continue;
+
+ if ((entry.EntryType & tested_type) != tested_type)
+ continue;
+
+ MethodBase method_to_compare = (MethodBase)entry.Member;
+ if (AttributeTester.AreOverloadedMethodParamsClsCompliant (method.ParameterTypes, TypeManager.GetArgumentTypes (method_to_compare)))
+ continue;
+
+ IMethodData md = TypeManager.GetMethod (method_to_compare);
+
+ // TODO: now we are ignoring CLSCompliance(false) on method from other assembly which is buggy.
+ // However it is exactly what csc does.
+ if (md != null && !md.IsClsCompliaceRequired (method.Parent))
+ continue;
+
+ Report.SymbolRelatedToPreviousError (entry.Member);
+ Report.Error (3006, method.Location, "Overloaded method '{0}' differing only in ref or out, or in array rank, is not CLS-compliant", method.GetSignatureForError ());
+ }
+ }
}
}