// 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
//
// (C) 2001 Ximian, Inc (http://www.ximian.com)
+// (C) 2004 Novell, Inc
//
// TODO: Move the method verification stuff from the class.cs and interface.cs here
//
using System;
using System.Text;
using System.Collections;
+using System.Globalization;
using System.Reflection.Emit;
using System.Reflection;
+using System.Xml;
namespace Mono.CSharp {
- public class TypeName {
- public readonly string Name;
+ public class MemberName {
+ public string Name;
public readonly TypeArguments TypeArguments;
- public readonly TypeName Left;
+ public readonly MemberName Left;
- public static readonly TypeName Null = new TypeName ("");
+ public static readonly MemberName Null = new MemberName ("");
- public TypeName (string name)
+ public MemberName (string name)
{
this.Name = name;
}
- public TypeName (string name, TypeArguments args)
+ public MemberName (string name, TypeArguments args)
: this (name)
{
this.TypeArguments = args;
}
- public TypeName (TypeName left, string name, TypeArguments args)
+ public MemberName (MemberName left, string name, TypeArguments args)
: this (name, args)
{
this.Left = left;
}
+ public MemberName (MemberName left, MemberName right)
+ : this (left, right.Name, right.TypeArguments)
+ {
+ }
+
public string GetName ()
{
if (Left != null)
return Name;
}
- public int CountTypeArguments {
+ public bool IsGeneric {
get {
- if (TypeArguments == null)
- return 0;
+ if (TypeArguments != null)
+ return true;
+ else if (Left != null)
+ return Left.IsGeneric;
else
- return TypeArguments.Count;
+ return false;
}
}
- public string GetFullName ()
- {
- string full_name;
- if (TypeArguments != null)
- full_name = Name + "<" + TypeArguments + ">";
- else
- full_name = Name;
- if (Left != null)
- return Left.GetFullName () + "." + full_name;
- else
- return full_name;
- }
-
- public string GetTypeName (bool full)
+ public string GetName (bool is_generic)
{
- string suffix = "";
- if (full && (TypeArguments != null))
- suffix = "!" + TypeArguments.Count;
+ string name = is_generic ? Basename : Name;
if (Left != null)
- return Left.GetTypeName (full) + "." + Name + suffix;
+ return Left.GetName (is_generic) + "." + name;
else
- return Name + suffix;
+ return name;
}
- public Expression GetTypeExpression (Location loc)
- {
- if (Left != null) {
- Expression lexpr = Left.GetTypeExpression (loc);
-
- return new MemberAccess (lexpr, Name, TypeArguments, loc);
- } else {
- if (TypeArguments != null)
- return new ConstructedType (Name, TypeArguments, loc);
+ public int CountTypeArguments {
+ get {
+ if (TypeArguments == null)
+ return 0;
else
- return new SimpleName (Name, loc);
+ return TypeArguments.Count;
}
}
- public MemberName GetMemberName ()
+ public string GetMethodName ()
{
- if (TypeArguments != null) {
- string[] type_params = TypeArguments.GetDeclarations ();
- return new MemberName (Left, Name, type_params);
- } else
- return new MemberName (Left, Name);
- }
-
- public override string ToString ()
- {
- string full_name;
- if (TypeArguments != null)
- full_name = Name + "<" + TypeArguments + ">";
- else
- full_name = Name;
-
if (Left != null)
- return Left + "." + full_name;
+ return Left.GetTypeName () + "." + Name;
else
- return full_name;
+ return Name;
}
- }
-
- public class MemberName {
- public readonly TypeName TypeName;
- public readonly string Name;
- public readonly string[] TypeParameters;
- public MemberName (string name)
+ public static string MakeName (string name, TypeArguments args)
{
- this.Name = name;
+ if (args == null)
+ return name;
+ else
+ return name + "`" + args.Count;
}
- public MemberName (TypeName type, string name)
+ public static string MakeName (string name, int count)
{
- this.TypeName = type;
- this.Name = name;
+ return name + "`" + count;
}
- public MemberName (TypeName type, MemberName name)
+ public string GetTypeName ()
{
- this.TypeName = type;
- this.Name = name.Name;
- this.TypeParameters = name.TypeParameters;
+ if (Left != null)
+ return Left.GetTypeName () + "." +
+ MakeName (Name, TypeArguments);
+ else
+ return MakeName (Name, TypeArguments);
}
- public MemberName (TypeName type, string name, ArrayList type_params)
- : this (type, name)
- {
- if (type_params != null) {
- TypeParameters = new string [type_params.Count];
- type_params.CopyTo (TypeParameters, 0);
+ protected bool IsUnbound {
+ get {
+ if ((Left != null) && Left.IsUnbound)
+ return true;
+ else if (TypeArguments == null)
+ return false;
+ else
+ return TypeArguments.IsUnbound;
}
}
- public MemberName (TypeName type, string name, string[] type_params)
- : this (type, name)
- {
- this.TypeParameters = type_params;
- }
-
- public TypeName MakeTypeName (Location loc)
+ protected bool CheckUnbound (Location loc)
{
- if (TypeParameters != null) {
- TypeArguments args = new TypeArguments (loc);
- foreach (string param in TypeParameters)
- args.Add (new SimpleName (param, loc));
- return new TypeName (TypeName, Name, args);
+ if ((Left != null) && !Left.CheckUnbound (loc))
+ return false;
+ if ((TypeArguments != null) && !TypeArguments.IsUnbound) {
+ Report.Error (1031, loc, "Type expected");
+ return false;
}
- return new TypeName (TypeName, Name, null);
+ return true;
}
- public static readonly MemberName Null = new MemberName ("");
+ public Expression GetTypeExpression (Location loc)
+ {
+ if (IsUnbound) {
+ if (!CheckUnbound (loc))
+ return null;
- public string Basename {
- get {
- if (TypeParameters != null)
- return Name + "!" + TypeParameters.Length;
- else
- return Name;
+ return new UnboundTypeExpression (GetTypeName ());
}
- }
- public string GetName (bool is_generic)
- {
- string name = is_generic ? Basename : Name;
- if (TypeName != null)
- return TypeName.GetTypeName (is_generic) + "." + name;
- else
- return name;
- }
+ if (Left != null) {
+ Expression lexpr = Left.GetTypeExpression (loc);
- public int CountTypeParameters {
- get {
- if (TypeParameters != null)
- return 0;
+ return new MemberAccess (lexpr, Name, TypeArguments, loc);
+ } else {
+ if (TypeArguments != null)
+ return new ConstructedType (Name, TypeArguments, loc);
else
- return TypeParameters.Length;
+ return new SimpleName (Name, loc);
}
}
- protected string PrintTypeParams ()
+ public MemberName Clone ()
{
- if (TypeParameters != null) {
- StringBuilder sb = new StringBuilder ();
- sb.Append ("<");
- for (int i = 0; i < TypeParameters.Length; i++) {
- if (i > 0)
- sb.Append (",");
- sb.Append (TypeParameters [i]);
- }
- sb.Append (">");
- return sb.ToString ();
- }
-
- return "";
+ if (Left != null)
+ return new MemberName (Left.Clone (), Name, TypeArguments);
+ else
+ return new MemberName (Name, TypeArguments);
}
- public string FullName {
+ public string Basename {
get {
- string full_name = Name + PrintTypeParams ();
-
- if (TypeName != null)
- return TypeName + "." + full_name;
+ if (TypeArguments != null)
+ return MakeName (Name, TypeArguments);
else
- return full_name;
+ return Name;
}
}
public override string ToString ()
{
- return String.Format ("MemberName [{0}:{1}:{2}]",
- TypeName, Name, PrintTypeParams ());
+ string full_name;
+ if (TypeArguments != null)
+ full_name = Name + "<" + TypeArguments + ">";
+ else
+ full_name = Name;
+
+ if (Left != null)
+ return Left + "." + full_name;
+ else
+ return full_name;
}
}
/// <summary>
/// Public name
/// </summary>
- public string Name;
+ public string Name {
+ get {
+ return MemberName.GetName (!(this is GenericMethod) && !(this is Method));
+ }
+ }
- public readonly MemberName MemberName;
+ // Is not readonly because of IndexerName attribute
+ public 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;
+ /// <summary>
+ /// XML documentation comment
+ /// </summary>
+ public string DocComment;
+
+ /// <summary>
+ /// Represents header string for documentation comment
+ /// for each member types.
+ /// </summary>
+ public abstract string DocCommentHeader { get; }
+
[Flags]
public enum Flags {
- Obsolete_Undetected = 1, // Obsolete attribute has not beed detected yet
+ 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
+ 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
}
/// <summary>
/// MemberCore flags at first detected then cached
/// </summary>
- protected Flags caching_flags;
+ internal Flags caching_flags;
- public MemberCore (MemberName name, Attributes attrs, Location loc)
+ public MemberCore (TypeContainer parent, MemberName name, Attributes attrs,
+ Location loc)
: base (attrs)
{
- Name = name.GetName (!(this is GenericMethod) && !(this is Method));
+ Parent = parent;
MemberName = name;
Location = loc;
- caching_flags = Flags.Obsolete_Undetected | Flags.ClsCompliance_Undetected;
+ caching_flags = Flags.Obsolete_Undetected | Flags.ClsCompliance_Undetected | Flags.HasCompliantAttribute_Undetected | Flags.Excluded_Undetected;
}
- public abstract bool Define (TypeContainer parent);
+ /// <summary>
+ /// Tests presence of ObsoleteAttribute and report proper error
+ /// </summary>
+ protected void CheckUsageOfObsoleteAttribute (Type type)
+ {
+ if (type == null)
+ return;
+
+ ObsoleteAttribute obsolete_attr = AttributeTester.GetObsoleteAttribute (type);
+ if (obsolete_attr == null)
+ return;
+
+ AttributeTester.Report_ObsoleteMessage (obsolete_attr, type.FullName, Location);
+ }
+
+ public abstract bool Define ();
//
// Returns full member name for error message
return Name;
}
+ /// <summary>
+ /// Use this method when MethodBuilder is null
+ /// </summary>
+ public virtual string GetSignatureForError (TypeContainer tc)
+ {
+ return Name;
+ }
+
/// <summary>
/// Base Emit method. This is also entry point for CLS-Compliant verification.
/// </summary>
- public virtual void Emit (TypeContainer container)
+ public virtual void Emit ()
{
+ // Hack with Parent == null is for EnumMember
+ if (Parent == null || (GetObsoleteAttribute (Parent) == null && Parent.GetObsoleteAttribute (Parent) == null))
+ VerifyObsoleteAttribute ();
+
if (!RootContext.VerifyClsCompliance)
return;
- VerifyClsCompliance (container);
+ VerifyClsCompliance (Parent);
+ }
+
+ public bool InUnsafe {
+ get {
+ return ((ModFlags & Modifiers.UNSAFE) != 0) || Parent.UnsafeContext;
+ }
}
//
return false;
}
+ /// <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;
+
+ Attribute obsolete_attr = OptAttributes.Search (
+ TypeManager.obsolete_attribute_type, ds.EmitContext);
+ if (obsolete_attr == null)
+ return null;
+
+ ObsoleteAttribute obsolete = obsolete_attr.GetObsoleteAttribute (ds.EmitContext);
+ 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 bool IsClsCompliaceRequired (DeclSpace container)
+ public override bool IsClsCompliaceRequired (DeclSpace container)
{
if ((caching_flags & Flags.ClsCompliance_Undetected) == 0)
return (caching_flags & Flags.ClsCompliant) != 0;
- if (!IsExposedFromAssembly (container) || !GetClsCompliantAttributeValue (container)) {
+ if (GetClsCompliantAttributeValue (container) && IsExposedFromAssembly (container)) {
caching_flags &= ~Flags.ClsCompliance_Undetected;
- return false;
+ caching_flags |= Flags.ClsCompliant;
+ return true;
}
caching_flags &= ~Flags.ClsCompliance_Undetected;
- caching_flags |= Flags.ClsCompliant;
- return true;
+ return false;
}
/// <summary>
/// Returns true when MemberCore is exposed from assembly.
/// </summary>
- protected virtual bool IsExposedFromAssembly (DeclSpace ds)
+ public bool IsExposedFromAssembly (DeclSpace ds)
{
if ((ModFlags & (Modifiers.PUBLIC | Modifiers.PROTECTED)) == 0)
return false;
bool GetClsCompliantAttributeValue (DeclSpace ds)
{
if (OptAttributes != null) {
- Attribute cls_attribute = OptAttributes.GetClsCompliantAttribute (ds);
+ Attribute cls_attribute = OptAttributes.Search (
+ TypeManager.cls_compliant_attribute_type, ds.EmitContext);
if (cls_attribute != null) {
- return cls_attribute.GetClsCompliantAttributeValue (ds);
+ caching_flags |= Flags.HasClsCompliantAttribute;
+ return cls_attribute.GetClsCompliantAttributeValue (ds.EmitContext);
}
}
-
- return (ds.GetClsCompliantAttributeValue () & Flags.ClsCompliant) != 0;
+ return ds.GetClsCompliantAttributeValue ();
}
/// <summary>
/// Returns true if MemberCore is explicitly marked with CLSCompliantAttribute
/// </summary>
- protected bool HasClsCompliantAttribute (DeclSpace ds)
- {
- if (OptAttributes == null)
- return false;
-
- return OptAttributes.GetClsCompliantAttribute (ds) != null;
+ protected bool HasClsCompliantAttribute {
+ get {
+ return (caching_flags & Flags.HasClsCompliantAttribute) != 0;
+ }
}
/// <summary>
- /// This method is used to testing error 3005 (Method or parameter name collision).
- /// </summary>
- protected abstract bool IsIdentifierClsCompliant (DeclSpace ds);
-
- /// <summary>
- /// Common helper method for identifier and parameters CLS-Compliant testing.
- /// When return false error 3005 is reported. True means no violation.
- /// And error 3006 tests are peformed here because of speed.
+ /// It helps to handle error 102 & 111 detection
/// </summary>
- protected bool IsIdentifierAndParamClsCompliant (DeclSpace ds, string name, MemberInfo methodBuilder, Type[] paramTypes)
+ public virtual bool MarkForDuplicationCheck ()
{
- MemberList ml = ds.FindMembers (MemberTypes.Event | MemberTypes.Field | MemberTypes.Method | MemberTypes.Property,
- BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance, System.Type.FilterNameIgnoreCase, name);
-
- if (ml.Count < 2)
- return true;
-
- bool error3006 = false;
- for (int i = 0; i < ml.Count; ++i) {
- MemberInfo mi = ml [i];
- if (name == mi.Name) {
- MethodBase method = mi as MethodBase;
- if (method == null || method == methodBuilder || paramTypes == null || paramTypes.Length == 0)
- continue;
-
- if (AttributeTester.AreOverloadedMethodParamsClsCompliant (paramTypes, TypeManager.GetArgumentTypes (method))) {
- error3006 = false;
- continue;
- }
-
- error3006 = true;
- }
-
- // We need to test if member is not marked as CLSCompliant (false) and if type is not only internal
- // because BindingFlags.Public returns internal types too
- DeclSpace temp_ds = TypeManager.LookupDeclSpace (mi.DeclaringType);
-
- // Type is external, we can get attribute directly
- if (temp_ds == null) {
- object[] cls_attribute = mi.GetCustomAttributes (TypeManager.cls_compliant_attribute_type, false);
- if (cls_attribute.Length == 1 && (!((CLSCompliantAttribute)cls_attribute[0]).IsCompliant))
- continue;
- } else {
- string tmp_name = String.Concat (temp_ds.Name, '.', mi.Name);
-
- MemberCore mc = temp_ds.GetDefinition (tmp_name) as MemberCore;
- if (!mc.IsClsCompliaceRequired (ds))
- continue;
- }
-
- for (int ii = 0; ii < ml.Count; ++ii) {
- mi = ml [ii];
- if (name == mi.Name)
- continue;
- Report.SymbolRelatedToPreviousError (mi);
- }
-
- if (error3006)
- Report.Error_T (3006, Location, GetSignatureForError ());
-
- return error3006;
-
- }
- return true;
+ return false;
}
/// <summary>
protected virtual bool VerifyClsCompliance (DeclSpace ds)
{
if (!IsClsCompliaceRequired (ds)) {
+ if (HasClsCompliantAttribute && RootContext.WarningLevel >= 2) {
+ if (!IsExposedFromAssembly (ds))
+ Report.Warning (3019, Location, "CLS compliance checking will not be performed on '{0}' because it is private or internal", GetSignatureForError ());
+ if (!CodeGen.Assembly.IsClsCompliant)
+ Report.Warning (3021, Location, "'{0}' does not need a CLSCompliant attribute because the assembly does not have a CLSCompliant attribute", GetSignatureForError ());
+ }
return false;
}
if (!CodeGen.Assembly.IsClsCompliant) {
- if (HasClsCompliantAttribute (ds)) {
- Report.Error_T (3014, Location, GetSignatureForError ());
+ 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;
}
- if (Name[0] == '_') {
- Report.Error_T (3008, Location, GetSignatureForError () );
+ int index = Name.LastIndexOf ('.');
+ if (Name [index > 0 ? index + 1 : 0] == '_') {
+ Report.Error (3008, Location, "Identifier '{0}' is not CLS-compliant", GetSignatureForError () );
}
+ return true;
+ }
- if (!IsIdentifierClsCompliant (ds)) {
- Report.Error_T (3005, Location, GetSignatureForError ());
- }
+ protected abstract void VerifyObsoleteAttribute ();
- return true;
+ //
+ // Raised (and passed an XmlElement that contains the comment)
+ // when GenerateDocComment is writing documentation expectedly.
+ //
+ internal virtual void OnGenerateDocComment (DeclSpace ds, XmlElement intermediateNode)
+ {
}
+ //
+ // Returns a string that represents the signature for this
+ // member which should be used in XML documentation.
+ //
+ public virtual string GetDocCommentName (DeclSpace ds)
+ {
+ if (ds == null || this is DeclSpace)
+ return DocCommentHeader + Name;
+ else
+ return String.Concat (DocCommentHeader, ds.Name, ".", Name);
+ }
+
+ //
+ // Generates xml doc comments (if any), and if required,
+ // handle warning report.
+ //
+ internal virtual void GenerateDocComment (DeclSpace ds)
+ {
+ DocUtil.GenerateDocComment (this, ds);
+ }
}
/// <summary>
/// currently defining. We need to lookup members on this
/// instead of the TypeBuilder.
/// </summary>
- public TypeExpr CurrentType;
+ public Type CurrentType;
//
// This is the namespace in which this typecontainer
//
public NamespaceEntry NamespaceEntry;
- public Hashtable Cache = new Hashtable ();
+ private Hashtable Cache = new Hashtable ();
public string Basename;
- /// <summary>
- /// defined_names is used for toplevel objects
- /// </summary>
protected Hashtable defined_names;
readonly bool is_generic;
readonly int count_type_params;
+ // The emit context for toplevel objects.
+ protected EmitContext ec;
+
+ public EmitContext EmitContext {
+ get { return ec; }
+ }
+
//
// Whether we are Generic
//
get {
if (is_generic)
return true;
- else if (parent != null)
- return parent.IsGeneric;
+ else if (Parent != null)
+ return Parent.IsGeneric;
else
return false;
}
}
- TypeContainer parent;
+ static string[] attribute_targets = new string [] { "type" };
public DeclSpace (NamespaceEntry ns, TypeContainer parent, MemberName name,
Attributes attrs, Location l)
- : base (name, attrs, l)
+ : base (parent, name, attrs, l)
{
NamespaceEntry = ns;
Basename = name.Name;
defined_names = new Hashtable ();
- if (name.TypeParameters != null) {
+ if (name.TypeArguments != null) {
is_generic = true;
- count_type_params = name.TypeParameters.Length;
+ count_type_params = name.TypeArguments.Count;
}
if (parent != null)
count_type_params += parent.count_type_params;
- this.parent = parent;
- }
-
- public void RecordDecl ()
- {
- if ((NamespaceEntry != null) && (parent == RootContext.Tree.Types))
- NamespaceEntry.DefineName (MemberName.Basename, this);
}
/// <summary>
- /// The result value from adding an declaration into
- /// a struct or a class
+ /// Adds the member to defined_names table. It tests for duplications and enclosing name conflicts
/// </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,
-
- /// <summary>
- /// Some other error.
- /// </summary>
- Error
- }
+ protected bool AddToContainer (MemberCore symbol, string fullname, string basename)
+ {
+ if (basename == Basename && !(this is Interface)) {
+ if (symbol is TypeParameter)
+ Report.Error (694, "Type parameter `{0}' has same name as " +
+ "containing type or method", basename);
+ else {
+ Report.SymbolRelatedToPreviousError (this);
+ Report.Error (542, "'{0}': member names cannot be the same as their " +
+ "enclosing type", symbol.Location, symbol.GetSignatureForError ());
+ }
+ return false;
+ }
- /// <summary>
- /// Returns a status code based purely on the name
- /// of the member being added
- /// </summary>
- protected AdditionResult IsValid (string basename, string name)
- {
- if (basename == Basename)
- return AdditionResult.EnclosingClash;
+ MemberCore mc = (MemberCore)defined_names [fullname];
+
+ if (mc == null) {
+ defined_names.Add (fullname, symbol);
+ return true;
+ }
- if (defined_names.Contains (name))
- return AdditionResult.NameExists;
+ if (symbol.MarkForDuplicationCheck () && mc.MarkForDuplicationCheck ())
+ return true;
- return AdditionResult.Success;
+ if (symbol is TypeParameter)
+ Report.Error (692, symbol.Location, "Duplicate type parameter `{0}'", basename);
+ else {
+ Report.SymbolRelatedToPreviousError (mc);
+ Report.Error (102, symbol.Location,
+ "The type '{0}' already contains a definition for '{1}'",
+ GetSignatureForError (), basename);
+ }
+ return false;
}
- 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>
- public 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;
/// <summary>
in_transit = value;
}
}
-
- public TypeContainer Parent {
- get {
- return parent;
- }
- }
-
- /// <summary>
- /// Looks up the alias for the name
- /// </summary>
- public IAlias LookupAlias (string name)
- {
- if (NamespaceEntry != null)
- return NamespaceEntry.LookupAlias (name);
- else
- return null;
- }
//
// root_types contains all the types. All TopLevel types
//
public bool IsTopLevel {
get {
- if (parent != null){
- if (parent.parent == null)
+ if (Parent != null){
+ if (Parent.Parent == null)
return true;
}
return false;
get {
if ((ModFlags & Modifiers.UNSAFE) != 0)
return true;
- if (parent != null)
- return parent.UnsafeContext;
+ if (Parent != null)
+ return Parent.UnsafeContext;
return false;
}
}
}
EmitContext type_resolve_ec;
- EmitContext GetTypeResolveEmitContext (TypeContainer parent, Location loc)
- {
- type_resolve_ec = new EmitContext (parent, this, loc, null, null, ModFlags, false);
- type_resolve_ec.ResolvingTypeTree = true;
- return type_resolve_ec;
- }
-
- // <summary>
- // Looks up the type, as parsed into the expression `e'
- // </summary>
- public Type ResolveType (Expression e, bool silent, Location loc)
+ public FullNamedExpression ResolveNestedType (FullNamedExpression t, Location loc)
{
- TypeExpr d = ResolveTypeExpr (e, silent, loc);
- if (d == null)
- return null;
-
- return ResolveType (d, loc);
- }
-
- public Type ResolveType (TypeExpr d, Location loc)
- {
- if (!d.CheckAccessLevel (this)) {
- Report. Error (122, loc, "`" + d.Name + "' " +
- "is inaccessible because of its protection level");
- return null;
- }
-
- Type t = d.ResolveType (type_resolve_ec);
- if (t == null)
- return null;
-
- TypeContainer tc = TypeManager.LookupTypeContainer (t);
+ TypeContainer tc = TypeManager.LookupTypeContainer (t.Type);
if ((tc != null) && tc.IsGeneric) {
if (!IsGeneric) {
- int tnum = TypeManager.GetNumberOfTypeArguments (t);
+ int tnum = TypeManager.GetNumberOfTypeArguments (t.Type);
Report.Error (305, loc,
"Using the generic type `{0}' " +
"requires {1} type arguments",
- TypeManager.GetFullName (t), tnum);
+ TypeManager.GetFullName (t.Type), tnum);
return null;
}
- ConstructedType ctype = new ConstructedType (
- t, TypeParameters, loc);
+ TypeParameter[] args;
+ if (this is GenericMethod)
+ args = Parent.TypeParameters;
+ else
+ args = TypeParameters;
- t = ctype.ResolveType (type_resolve_ec);
+ TypeExpr ctype = new ConstructedType (t.Type, args, loc);
+ return ctype.ResolveAsTypeTerminal (ec);
}
return t;
// <summary>
// Resolves the expression `e' for a type, and will recursively define
- // types.
+ // types. This should only be used for resolving base types.
// </summary>
- public TypeExpr ResolveTypeExpr (Expression e, bool silent, Location loc)
+ public TypeExpr ResolveBaseTypeExpr (Expression e, bool silent, Location loc)
{
- if (type_resolve_ec == null)
- type_resolve_ec = GetTypeResolveEmitContext (parent, loc);
+ if (type_resolve_ec == null) {
+ // FIXME: I think this should really be one of:
+ //
+ // a. type_resolve_ec = Parent.EmitContext;
+ // b. type_resolve_ec = new EmitContext (Parent, Parent, loc, null, null, ModFlags, false);
+ //
+ // However, if Parent == RootContext.Tree.Types, its NamespaceEntry will be null.
+ //
+ type_resolve_ec = new EmitContext (Parent, this, loc, null, null, ModFlags, false);
+ type_resolve_ec.ResolvingTypeTree = true;
+ }
type_resolve_ec.loc = loc;
if (this is GenericMethod)
type_resolve_ec.ContainerType = Parent.TypeBuilder;
else
type_resolve_ec.ContainerType = TypeBuilder;
- int errors = Report.Errors;
-
- TypeExpr d = e.ResolveAsTypeTerminal (type_resolve_ec);
-
- if ((d != null) && (d.eclass == ExprClass.Type))
- return d;
-
- if (silent || (Report.Errors != errors))
- return null;
-
- if (e is SimpleName){
- SimpleName s = new SimpleName (((SimpleName) e).Name, loc);
- d = s.ResolveAsTypeTerminal (type_resolve_ec);
-
- if ((d == null) || (d.Type == null)) {
- Report.Error (246, loc, "Cannot find type `{0}'", e);
- return null;
- }
-
- int num_args = TypeManager.GetNumberOfTypeArguments (d.Type);
-
- if (num_args == 0) {
- Report.Error (308, loc,
- "The non-generic type `{0}' cannot " +
- "be used with type arguments.",
- TypeManager.CSharpName (d.Type));
- return null;
- }
-
- Report.Error (305, loc,
- "Using the generic type `{0}' " +
- "requires {1} type arguments",
- TypeManager.GetFullName (d.Type), num_args);
- return null;
- }
-
- Report.Error (246, loc, "Cannot find type `{0}'", e);
- return null;
+ return e.ResolveAsTypeTerminal (type_resolve_ec);
}
public bool CheckAccessLevel (Type check_type)
{
TypeBuilder tb;
- if (this is GenericMethod)
+ if ((this is GenericMethod) || (this is Iterator))
tb = Parent.TypeBuilder;
else
tb = TypeBuilder;
if (check_type == tb)
return true;
+ if (TypeBuilder == null)
+ // FIXME: TypeBuilder will be null when invoked by Class.GetNormalBases().
+ // However, this is invoked again later -- so safe to return true.
+ // May also be null when resolving top-level attributes.
+ return true;
+
if (check_type.IsGenericParameter)
return true; // FIXME
case TypeAttributes.NotPublic:
- // In same cases is null.
if (TypeBuilder == null)
+ // FIXME: TypeBuilder will be null when invoked by Class.GetNormalBases().
+ // However, this is invoked again later -- so safe to return true.
+ // May also be null when resolving top-level attributes.
return true;
-
//
// This test should probably use the declaringtype.
//
return true;
case TypeAttributes.NestedPrivate:
- string check_type_name = check_type.FullName;
- string type_name = CurrentType != null ?
- CurrentType.Name : tb.FullName;
-
- 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 (type_name + "+")){
- return true;
- }
-
- if (type_name.StartsWith (container)){
- return true;
- }
-
- return false;
+ return NestedAccessible (tb, check_type);
case TypeAttributes.NestedFamily:
//
}
- protected bool FamilyAccessible (TypeBuilder tb, Type check_type)
+ protected bool NestedAccessible (Type tb, Type check_type)
{
- Type declaring = check_type.DeclaringType;
- if (tb.IsSubclassOf (declaring))
- return true;
-
string check_type_name = check_type.FullName;
+ // At this point, we already know check_type is a nested class.
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 + "+"))
+ // Ensure that the string 'container' has a '+' in it to avoid false matches
+ string container = check_type_name.Substring (0, cio + 1);
+
+ // Ensure that type_name ends with a '+' so that it can match 'container', if necessary
+ string type_name = tb.FullName + "+";
+
+ // If the current class is nested inside the container of check_type,
+ // we can access check_type even if it is private or protected.
+ return type_name.StartsWith (container);
+ }
+
+ protected bool FamilyAccessible (Type tb, Type check_type)
+ {
+ Type declaring = check_type.DeclaringType;
+ if (tb == declaring || TypeManager.IsFamilyAccessible (tb, declaring))
return true;
- return false;
+ return NestedAccessible (tb, check_type);
}
// Access level of a type.
return tc.DefineType ();
}
- Type LookupInterfaceOrClass (string ns, string name, out bool error)
+ FullNamedExpression LookupInterfaceOrClass (string ns, string name, out bool error)
{
DeclSpace parent;
+ FullNamedExpression result;
Type t;
object r;
error = false;
if (dh.Lookup (ns, name, out r))
- return (Type) r;
+ return (FullNamedExpression) r;
else {
if (ns != ""){
if (Namespace.IsNamespace (ns)){
}
if (t != null) {
- dh.Insert (ns, name, t);
- return t;
+ result = new TypeExpression (t, Location.Null);
+ dh.Insert (ns, name, result);
+ return result;
+ }
+
+ if (ns != "" && Namespace.IsNamespace (ns)) {
+ result = Namespace.LookupNamespace (ns, false).Lookup (this, name, Location.Null);
+ if (result != null) {
+ dh.Insert (ns, name, result);
+ return result;
+ }
+ }
+
+ if (ns == "" && Namespace.IsNamespace (name)) {
+ result = Namespace.LookupNamespace (name, false);
+ dh.Insert (ns, name, result);
+ return result;
}
//
ns = MakeFQN (ns, name.Substring (0, p));
name = name.Substring (p+1);
}
-
+
+ if (ns.IndexOf ('+') != -1)
+ ns = ns.Replace ('+', '.');
+
parent = RootContext.Tree.LookupByNamespace (ns, name);
if (parent == null) {
dh.Insert (ns, name, null);
return null;
}
- dh.Insert (ns, name, t);
- return t;
+ result = new TypeExpression (t, Location.Null);
+ dh.Insert (ns, name, result);
+ return result;
}
public static void Error_AmbiguousTypeReference (Location loc, string name, string t1, string t2)
public Type FindNestedType (Location loc, string name,
out DeclSpace containing_ds)
{
- Type t;
+ FullNamedExpression t;
bool error;
containing_ds = this;
if (error)
return null;
- if ((t != null) && containing_ds.CheckAccessLevel (t))
- return t;
+ if ((t != null) && containing_ds.CheckAccessLevel (t.Type))
+ return t.Type;
current_type = current_type.BaseType;
}
/// during the tree resolution process and potentially define
/// recursively the type
/// </remarks>
- public Type FindType (Location loc, string name)
+ public FullNamedExpression FindType (Location loc, string name)
{
- Type t;
+ FullNamedExpression t;
bool error;
//
// For the case the type we are looking for is nested within this one
// or is in any base class
//
+
DeclSpace containing_ds = this;
while (containing_ds != null){
if (error)
return null;
- if ((t != null) && containing_ds.CheckAccessLevel (t))
- return t;
+ if ((t != null) && containing_ds.CheckAccessLevel (t.Type))
+ return ResolveNestedType (t, loc);
current_type = current_type.BaseType;
}
if (t != null)
return t;
+ if (name.IndexOf ('.') > 0)
+ continue;
+
+ t = ns.LookupAlias (name);
+ if (t != null)
+ return t;
+
//
// Now check the using clause list
//
- Type match = null;
+ FullNamedExpression match = null;
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){
- if (CheckAccessLevel (match)) {
- Error_AmbiguousTypeReference (loc, name, t.FullName, match.FullName);
- return null;
- }
+ if ((match != null) && (match is TypeExpr)) {
+ Type matched = ((TypeExpr) match).Type;
+ if (!CheckAccessLevel (matched))
continue;
+ if (t != null){
+ Error_AmbiguousTypeReference (loc, name, t.FullName, match.FullName);
+ return null;
}
-
t = match;
}
}
return null;
}
+ //
+ // Public function used to locate types, this can only
+ // be used after the ResolveTree function has been invoked.
+ //
+ // Returns: Type or null if they type can not be found.
+ //
+ // Come to think of it, this should be a DeclSpace
+ //
+ public FullNamedExpression LookupType (string name, bool silent, Location loc)
+ {
+ FullNamedExpression e;
+
+ if (Cache.Contains (name)) {
+ e = (FullNamedExpression) Cache [name];
+ } else {
+ //
+ // For the case the type we are looking for is nested within this one
+ // or is in any base class
+ //
+ DeclSpace containing_ds = this;
+ while (containing_ds != null){
+
+ // if the member cache has been created, lets use it.
+ // the member cache is MUCH faster.
+ if (containing_ds.MemberCache != null) {
+ Type t = containing_ds.MemberCache.FindNestedType (name);
+ if (t == null) {
+ containing_ds = containing_ds.Parent;
+ continue;
+ }
+
+ e = new TypeExpression (t, Location.Null);
+ e = ResolveNestedType (e, Location.Null);
+ Cache [name] = e;
+ return e;
+ }
+
+ // no member cache. Do it the hard way -- reflection
+ Type current_type = containing_ds.TypeBuilder;
+
+ while (current_type != null &&
+ current_type != TypeManager.object_type) {
+ //
+ // nested class
+ //
+ Type t = TypeManager.LookupType (current_type.FullName + "." + name);
+ if (t != null){
+ e = new TypeExpression (t, Location.Null);
+ e = ResolveNestedType (e, Location.Null);
+ Cache [name] = e;
+ return e;
+ }
+
+ current_type = current_type.BaseType;
+ }
+
+ containing_ds = containing_ds.Parent;
+ }
+
+ e = NamespaceEntry.LookupNamespaceOrType (this, name, loc);
+ if (!silent || e != null)
+ Cache [name] = e;
+ }
+
+ if (e == null && !silent)
+ Report.Error (246, loc, "Cannot find type `"+name+"'");
+
+ return e;
+ }
+
/// <remarks>
/// This function is broken and not what you're looking for. It should only
/// be used while the type is still being created since it doesn't use the cache
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 Flags GetClsCompliantAttributeValue ()
+ public bool GetClsCompliantAttributeValue ()
{
- if ((caching_flags & Flags.ClsCompliance_Undetected) == 0)
- return caching_flags;
+ if ((caching_flags & Flags.HasCompliantAttribute_Undetected) == 0)
+ return (caching_flags & Flags.ClsCompliantAttributeTrue) != 0;
- caching_flags &= ~Flags.ClsCompliance_Undetected;
+ caching_flags &= ~Flags.HasCompliantAttribute_Undetected;
if (OptAttributes != null) {
- Attribute cls_attribute = OptAttributes.GetClsCompliantAttribute (this);
+ Attribute cls_attribute = OptAttributes.Search (TypeManager.cls_compliant_attribute_type, ec);
if (cls_attribute != null) {
- if (cls_attribute.GetClsCompliantAttributeValue (this)) {
- caching_flags |= Flags.ClsCompliant;
+ caching_flags |= Flags.HasClsCompliantAttribute;
+ if (cls_attribute.GetClsCompliantAttributeValue (ec)) {
+ caching_flags |= Flags.ClsCompliantAttributeTrue;
+ return true;
}
- return caching_flags;
+ return false;
}
}
- if (parent == null) {
- if (CodeGen.Assembly.IsClsCompliant)
- caching_flags |= Flags.ClsCompliant;
- return caching_flags;
- }
-
- caching_flags |= (parent.GetClsCompliantAttributeValue () & Flags.ClsCompliant);
- return caching_flags;
- }
-
-
- // Tests container name for CLS-Compliant name (differing only in case)
- // Possible optimalization: search in same namespace only
- protected override bool IsIdentifierClsCompliant (DeclSpace ds)
- {
- int l = Name.Length;
-
- if (Namespace.LookupNamespace (NamespaceEntry.FullName, false) != null) {
- // Seek through all imported types
- foreach (string type_name in TypeManager.all_imported_types.Keys)
- {
- if (l != type_name.Length)
- continue;
-
- if (String.Compare (Name, type_name, true) == 0 &&
- AttributeTester.IsClsCompliant (TypeManager.all_imported_types [type_name] as Type)) {
- Report.SymbolRelatedToPreviousError ((Type)TypeManager.all_imported_types [type_name]);
- return false;
+ if (Parent == null) {
+ if (CodeGen.Assembly.IsClsCompliant) {
+ caching_flags |= Flags.ClsCompliantAttributeTrue;
+ return true;
}
- }
+ return false;
}
- // Seek through generated types
- foreach (string name in RootContext.Tree.Decls.Keys) {
- if (l != name.Length)
- continue;
-
- if (String.Compare (Name, name, true) == 0) {
-
- if (Name == name)
- continue;
-
- DeclSpace found_ds = RootContext.Tree.Decls[name] as DeclSpace;
- if (found_ds.IsClsCompliaceRequired (found_ds.Parent)) {
- Report.SymbolRelatedToPreviousError (found_ds.Location, found_ds.GetSignatureForError ());
- return false;
- }
- }
+ if (Parent.GetClsCompliantAttributeValue ()) {
+ caching_flags |= Flags.ClsCompliantAttributeTrue;
+ return true;
}
-
- return true;
+ return false;
}
//
693, Location,
"Type parameter `{0}' has same name " +
"as type parameter from outer type `{1}'",
- name, parent.GetInstantiationName ());
+ name, Parent.GetInstantiationName ());
return false;
}
if (type_param_list != null)
return type_param_list;
- DeclSpace the_parent = parent;
+ DeclSpace the_parent = Parent;
if (this is GenericMethod)
the_parent = null;
return type_param_list;
}
- public AdditionResult SetParameterInfo (ArrayList constraints_list)
+ public void SetParameterInfo (ArrayList constraints_list)
{
if (!is_generic) {
if (constraints_list != null) {
Report.Error (
80, Location, "Contraints are not allowed " +
"on non-generic declarations");
- return AdditionResult.Error;
}
- return AdditionResult.Success;
+ return;
}
- type_params = new TypeParameter [MemberName.TypeParameters.Length];
+ string[] names = MemberName.TypeArguments.GetDeclarations ();
+ type_params = new TypeParameter [names.Length];
//
// Register all the names
//
- for (int i = 0; i < MemberName.TypeParameters.Length; i++) {
- string name = MemberName.TypeParameters [i];
-
- AdditionResult res = IsValid (name, name);
-
- if (res != AdditionResult.Success)
- return res;
+ for (int i = 0; i < type_params.Length; i++) {
+ string name = names [i];
Constraints constraints = null;
if (constraints_list != null) {
}
}
- type_params [i] = new TypeParameter (name, constraints, Location);
+ type_params [i] = new TypeParameter (Parent, name, constraints, Location);
- DefineName (name, type_params [i]);
+ string full_name = Name + "." + name;
+ AddToContainer (type_params [i], full_name, name);
}
-
- return AdditionResult.Success;
}
public TypeParameter[] TypeParameters {
return new TypeParameterExpr (type_param, loc);
}
- if (parent != null)
- return parent.LookupGeneric (name, loc);
+ if (Parent != null)
+ return Parent.LookupGeneric (name, loc);
return null;
}
get { return Name; }
}
- TypeExpr IAlias.Type
+ TypeExpr IAlias.ResolveAsType (EmitContext ec)
{
- get {
- if (TypeBuilder == null)
- throw new InvalidOperationException ();
-
- if (CurrentType != null)
- return CurrentType;
+ if (TypeBuilder == null)
+ throw new InvalidOperationException ();
+ if (CurrentType != null)
+ return new TypeExpression (CurrentType, Location);
+ else
return new TypeExpression (TypeBuilder, Location);
+ }
+
+ public override string[] ValidAttributeTargets {
+ get {
+ return attribute_targets;
}
}
}
}
/// <summary>
- /// Returns the IMemberContainer of the parent class or null if this
+ /// Returns the IMemberContainer of the base class or null if this
/// is an interface or TypeManger.object_type.
/// This is used when creating the member cache for a class to get all
- /// members from the parent class.
+ /// members from the base class.
/// </summary>
- IMemberContainer Parent {
+ MemberCache BaseCache {
get;
}
public readonly IMemberContainer Container;
protected Hashtable member_hash;
protected Hashtable method_hash;
-
+
/// <summary>
/// Create a new MemberCache for the given IMemberContainer `container'.
/// </summary>
Timer.IncrementCounter (CounterType.MemberCache);
Timer.StartTimer (TimerType.CacheInit);
-
-
- // If we have a parent class (we have a parent class unless we're
+ // If we have a base class (we have a base class unless we're
// TypeManager.object_type), we deep-copy its MemberCache here.
- if (Container.IsInterface) {
- MemberCache parent;
-
- if (Container.Parent != null)
- parent = Container.Parent.MemberCache;
- else
- parent = TypeHandle.ObjectType.MemberCache;
- member_hash = SetupCacheForInterface (parent);
- } else if (Container.Parent != null)
- member_hash = SetupCache (Container.Parent.MemberCache);
+ if (Container.BaseCache != null)
+ member_hash = SetupCache (Container.BaseCache);
else
member_hash = new Hashtable ();
Timer.StopTimer (TimerType.CacheInit);
}
+ public MemberCache (Type[] ifaces)
+ {
+ //
+ // The members of this cache all belong to other caches.
+ // So, 'Container' will not be used.
+ //
+ this.Container = null;
+
+ member_hash = new Hashtable ();
+ if (ifaces == null)
+ return;
+
+ foreach (Type itype in ifaces)
+ AddCacheContents (TypeManager.LookupMemberCache (itype));
+ }
+
/// <summary>
- /// Bootstrap this member cache by doing a deep-copy of our parent.
+ /// Bootstrap this member cache by doing a deep-copy of our base.
/// </summary>
- Hashtable SetupCache (MemberCache parent)
+ Hashtable SetupCache (MemberCache base_class)
{
Hashtable hash = new Hashtable ();
- IDictionaryEnumerator it = parent.member_hash.GetEnumerator ();
+ if (base_class == null)
+ return hash;
+
+ IDictionaryEnumerator it = base_class.member_hash.GetEnumerator ();
while (it.MoveNext ()) {
hash [it.Key] = ((ArrayList) it.Value).Clone ();
- }
+ }
return hash;
}
-
/// <summary>
- /// Add the contents of `new_hash' to `hash'.
+ /// Add the contents of `cache' to the member_hash.
/// </summary>
- void AddHashtable (Hashtable hash, MemberCache cache)
+ void AddCacheContents (MemberCache cache)
{
- Hashtable new_hash = cache.member_hash;
- IDictionaryEnumerator it = new_hash.GetEnumerator ();
+ IDictionaryEnumerator it = cache.member_hash.GetEnumerator ();
while (it.MoveNext ()) {
- ArrayList list = (ArrayList) hash [it.Key];
+ ArrayList list = (ArrayList) member_hash [it.Key];
if (list == null)
- hash [it.Key] = list = new ArrayList ();
+ member_hash [it.Key] = list = new ArrayList ();
+
+ ArrayList entries = (ArrayList) it.Value;
+ for (int i = entries.Count-1; i >= 0; i--) {
+ CacheEntry entry = (CacheEntry) entries [i];
- foreach (CacheEntry entry in (ArrayList) it.Value) {
if (entry.Container != cache.Container)
break;
list.Add (entry);
}
}
- /// <summary>
- /// Bootstrap the member cache for an interface type.
- /// 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 (MemberCache parent)
- {
- Hashtable hash = SetupCache (parent);
- TypeExpr [] ifaces = TypeManager.GetInterfaces (Container.Type);
-
- foreach (TypeExpr iface in ifaces) {
- Type itype = iface.Type;
-
- IMemberContainer iface_container =
- TypeManager.LookupMemberContainer (itype);
-
- MemberCache iface_cache = iface_container.MemberCache;
-
- AddHashtable (hash, iface_cache);
- }
-
- return hash;
- }
-
/// <summary>
/// Add all members from class `container' to the cache.
/// </summary>
{
// We need to call AddMembers() with a single member type at a time
// to get the member type part of CacheEntry.EntryType right.
+ if (!container.IsInterface) {
AddMembers (MemberTypes.Constructor, container);
AddMembers (MemberTypes.Field, container);
+ }
AddMembers (MemberTypes.Method, container);
AddMembers (MemberTypes.Property, container);
AddMembers (MemberTypes.Event, container);
}
// When this method is called for the current class, the list will
- // already contain all inherited members from our parent classes.
+ // already contain all inherited members from our base classes.
// We cannot add new members in front of the list since this'd be an
// expensive operation, that's why the list is sorted in reverse order
// (ie. members from the current class are coming last).
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) {
this.Member = member;
this.EntryType = GetEntryType (mt, bf);
}
+
+ public override string ToString ()
+ {
+ return String.Format ("CacheEntry ({0}:{1}:{2})", Container.Name,
+ EntryType, Member);
+ }
}
/// <summary>
// `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
+ // in the current class and all its base classes. The list is sorted in
// reverse order due to the way how the cache is initialy created (to speed
- // things up, we're doing a deep-copy of our parent).
+ // things up, we're doing a deep-copy of our base).
for (int i = applicable.Count-1; i >= 0; i--) {
CacheEntry entry = (CacheEntry) applicable [i];
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
continue;
for (int j = cmpAttrs.Length - 1; j >= 0; j --) {
- if (!paramTypes [j].Equals (cmpAttrs [j]))
+ if (!TypeManager.IsEqual (paramTypes [j], cmpAttrs [j]))
goto next;
}
// 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 ||
+ if (invocationType.Equals (entry.Container.Type) ||
TypeManager.IsNestedChildOf (invocationType, entry.Container.Type))
return entry.Member;
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 ());
+ }
+ }
}
}
projects / mono.git / blobdiff