public readonly TypeArguments TypeArguments;
public readonly MemberName Left;
+ public readonly Location Location;
public static readonly MemberName Null = new MemberName ("");
- public MemberName (string name)
+ bool is_double_colon;
+
+ private MemberName (MemberName left, string name, bool is_double_colon,
+ Location loc)
{
this.Name = name;
+ this.Location = loc;
+ this.is_double_colon = is_double_colon;
+ this.Left = left;
}
- public MemberName (string name, TypeArguments args)
- : this (name)
+ private MemberName (MemberName left, string name, bool is_double_colon,
+ TypeArguments args, Location loc)
+ : this (left, name, is_double_colon, loc)
{
this.TypeArguments = args;
}
+ public MemberName (string name)
+ : this (name, Location.Null)
+ { }
+
+ public MemberName (string name, Location loc)
+ : this (null, name, false, loc)
+ { }
+
+ public MemberName (string name, TypeArguments args, Location loc)
+ : this (null, name, false, args, loc)
+ { }
+
public MemberName (MemberName left, string name)
- : this (left, name, null)
- {
- }
+ : this (left, name, left != null ? left.Location : Location.Null)
+ { }
- public MemberName (MemberName left, string name, TypeArguments args)
- : this (name, args)
- {
- this.Left = left;
- }
+ public MemberName (MemberName left, string name, Location loc)
+ : this (left, name, false, loc)
+ { }
+
+ public MemberName (MemberName left, string name, TypeArguments args, Location loc)
+ : this (left, name, false, args, loc)
+ { }
- public MemberName (MemberName left, MemberName right)
- : this (left, right.Name, right.TypeArguments)
- {
- Name = right.Name;
- Left = (right.Left == null) ? left : new MemberName (left, right.Left);
- TypeArguments = right.TypeArguments;
- }
- static readonly char [] dot_array = { '.' };
+ public MemberName (string alias, string name, Location loc)
+ : this (new MemberName (alias, loc), name, true, loc)
+ { }
- public static MemberName FromDotted (string name)
+ public MemberName (MemberName left, MemberName right)
+ : this (left, right, right.Location)
+ { }
+
+ public MemberName (MemberName left, MemberName right, Location loc)
+ : this (null, right.Name, false, right.TypeArguments, loc)
{
- string [] elements = name.Split (dot_array);
- int count = elements.Length;
- int i = 0;
- MemberName n = new MemberName (elements [i++]);
- while (i < count)
- n = new MemberName (n, elements [i++]);
- return n;
+ if (right.is_double_colon)
+ throw new InternalErrorException ("Cannot append double_colon member name");
+ this.Left = (right.Left == null) ? left : new MemberName (left, right.Left);
}
public string GetName ()
{
- if (Left != null)
- return Left.GetName () + "." + Name;
- else
- return Name;
+ return GetName (false);
}
public bool IsGeneric {
public string GetName (bool is_generic)
{
string name = is_generic ? Basename : Name;
+ string connect = is_double_colon ? "::" : ".";
if (Left != null)
- return Left.GetName (is_generic) + "." + name;
+ return Left.GetName (is_generic) + connect + name;
else
return name;
}
- public int CountTypeArguments {
- get {
- if (TypeArguments == null)
- return 0;
- else
- return TypeArguments.Count;
- }
- }
-
- public string MethodName {
- get {
- if (Left != null)
- return Left.FullName + "." + Name;
- else
- return Name;
- }
- }
-
- public static string MakeName (string name, TypeArguments args)
- {
- if (args == null)
- return name;
- else
- return name + "`" + args.Count;
- }
-
- public static string MakeName (string name, int count)
- {
- return name + "`" + count;
- }
-
public string GetTypeName ()
{
+ string connect = is_double_colon ? "::" : ".";
if (Left != null)
- return Left.GetTypeName () + "." +
- MakeName (Name, TypeArguments);
+ return Left.GetTypeName () + connect + MakeName (Name, TypeArguments);
else
return MakeName (Name, TypeArguments);
}
- protected bool IsUnbound {
- get {
- if ((Left != null) && Left.IsUnbound)
- return true;
- else if (TypeArguments == null)
- return false;
- else
- return TypeArguments.IsUnbound;
- }
- }
-
- protected bool CheckUnbound (Location loc)
- {
- if ((Left != null) && !Left.CheckUnbound (loc))
- return false;
- if ((TypeArguments != null) && !TypeArguments.IsUnbound) {
- Report.Error (1031, loc, "Type expected");
- return false;
- }
-
- return true;
- }
-
- public Expression GetTypeExpression (Location loc)
+ public Expression GetTypeExpression ()
{
if (IsUnbound) {
- if (!CheckUnbound (loc))
+ if (!CheckUnbound (Location))
return null;
- return new UnboundTypeExpression (GetTypeName ());
+ return new UnboundTypeExpression (this, Location);
}
- if (Left != null) {
- Expression lexpr = Left.GetTypeExpression (loc);
-
- return new MemberAccess (lexpr, Name, TypeArguments, loc);
- } else {
+ if (Left == null) {
if (TypeArguments != null)
- return new SimpleName (Basename, TypeArguments, loc);
+ return new SimpleName (Basename, TypeArguments, Location);
else
- return new SimpleName (Name, loc);
+ return new SimpleName (Name, Location);
+ }
+
+ if (is_double_colon) {
+ if (Left.Left != null)
+ throw new InternalErrorException ("The left side of a :: should be an identifier");
+ return new QualifiedAliasMember (Left.Name, Name, Location);
}
+
+ Expression lexpr = Left.GetTypeExpression ();
+ return new MemberAccess (lexpr, Name, TypeArguments, Location);
}
public MemberName Clone ()
{
- if (Left != null)
- return new MemberName (Left.Clone (), Name, TypeArguments);
- else
- return new MemberName (Name, TypeArguments);
+ MemberName left_clone = Left == null ? null : Left.Clone ();
+ return new MemberName (left_clone, Name, is_double_colon, TypeArguments, Location);
}
public string Basename {
}
}
+ public string MethodName {
+ get {
+ string connect = is_double_colon ? "::" : ".";
+ if (Left != null)
+ return Left.FullName + connect + Name;
+ else
+ return Name;
+ }
+ }
+
public override string ToString ()
{
+ string connect = is_double_colon ? "::" : ".";
if (Left != null)
- return Left.FullName + "." + FullName;
+ return Left.FullName + connect + FullName;
else
return FullName;
}
return true;
if (other == null || Name != other.Name)
return false;
+ if (is_double_colon != other.is_double_colon)
+ return false;
if ((TypeArguments != null) &&
(other.TypeArguments == null || TypeArguments.Count != other.TypeArguments.Count))
int hash = Name.GetHashCode ();
for (MemberName n = Left; n != null; n = n.Left)
hash ^= n.Name.GetHashCode ();
+ if (is_double_colon)
+ hash ^= 0xbadc01d;
if (TypeArguments != null)
hash ^= TypeArguments.Count << 5;
return hash & 0x7FFFFFFF;
}
+
+ public int CountTypeArguments {
+ get {
+ if (TypeArguments == null)
+ return 0;
+ else
+ return TypeArguments.Count;
+ }
+ }
+
+ public static string MakeName (string name, TypeArguments args)
+ {
+ if (args == null)
+ return name;
+ else
+ return name + "`" + args.Count;
+ }
+
+ public static string MakeName (string name, int count)
+ {
+ return name + "`" + count;
+ }
+
+ protected bool IsUnbound {
+ get {
+ if ((Left != null) && Left.IsUnbound)
+ return true;
+ else if (TypeArguments == null)
+ return false;
+ else
+ return TypeArguments.IsUnbound;
+ }
+ }
+
+ protected bool CheckUnbound (Location loc)
+ {
+ if ((Left != null) && !Left.CheckUnbound (loc))
+ return false;
+ if ((TypeArguments != null) && !TypeArguments.IsUnbound) {
+ Report.Error (1031, loc, "Type expected");
+ return false;
+ }
+
+ return true;
+ }
}
/// <summary>
/// Base representation for members. This is used to keep track
/// of Name, Location and Modifier flags, and handling Attributes.
/// </summary>
- public abstract class MemberCore : Attributable {
+ public abstract class MemberCore : Attributable, IResolveContext {
/// <summary>
/// Public name
/// </summary>
/// </summary>
public int ModFlags;
- public /*readonly*/ TypeContainer Parent;
+ public readonly DeclSpace Parent;
/// <summary>
/// Location where this declaration happens
/// </summary>
- public readonly Location Location;
+ public Location Location {
+ get { return member_name.Location; }
+ }
/// <summary>
/// XML documentation comment
/// </summary>
- public string DocComment;
+ protected string comment;
/// <summary>
/// Represents header string for documentation comment
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
- IsUsed = 1 << 11
+ IsUsed = 1 << 11,
+ IsAssigned = 1 << 12, // Field is assigned
+ HasExplicitLayout = 1 << 13
}
-
+
/// <summary>
/// MemberCore flags at first detected then cached
- /// </summary>
+ /// </summary>
internal Flags caching_flags;
- public MemberCore (TypeContainer parent, MemberName name, Attributes attrs,
- Location loc)
+ public MemberCore (DeclSpace parent, MemberName name, Attributes attrs)
: base (attrs)
{
- if (parent is PartialContainer && !(this is PartialContainer))
- throw new InternalErrorException ("A PartialContainer cannot be the direct parent of a member");
-
- Parent = parent;
+ this.Parent = parent;
member_name = name;
- Location = loc;
caching_flags = Flags.Obsolete_Undetected | Flags.ClsCompliance_Undetected | Flags.HasCompliantAttribute_Undetected | Flags.Excluded_Undetected;
}
cached_name = null;
}
- /// <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;
+ public abstract bool Define ();
- AttributeTester.Report_ObsoleteMessage (obsolete_attr, type.FullName, Location);
+ public virtual string DocComment {
+ get {
+ return comment;
+ }
+ set {
+ comment = value;
+ }
}
- public abstract bool Define ();
-
//
// Returns full member name for error message
//
public virtual string GetSignatureForError ()
{
- return Name;
- }
+ if (Parent == null || Parent.Parent == null)
+ return member_name.ToString ();
- /// <summary>
- /// Use this method when MethodBuilder is null
- /// </summary>
- public virtual string GetSignatureForError (TypeContainer tc)
- {
- return Name;
+ return String.Concat (Parent.GetSignatureForError (), '.', member_name.ToString ());
}
/// <summary>
/// </summary>
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 (Parent);
- }
-
- public bool InUnsafe {
- get {
- return ((ModFlags & Modifiers.UNSAFE) != 0) || Parent.UnsafeContext;
- }
+ VerifyClsCompliance ();
}
public virtual bool IsUsed {
- get {
- return (caching_flags & Flags.IsUsed) != 0;
- }
+ get { return (caching_flags & Flags.IsUsed) != 0; }
}
public void SetMemberIsUsed ()
caching_flags |= Flags.IsUsed;
}
- //
- // Whehter is it ok to use an unsafe pointer in this type container
- //
- public bool UnsafeOK (DeclSpace parent)
- {
- //
- // First check if this MemberCore modifier flags has unsafe set
- //
- if ((ModFlags & Modifiers.UNSAFE) != 0)
- return true;
-
- if (parent.UnsafeContext)
- return true;
-
- Expression.UnsafeError (Location);
- return false;
- }
-
/// <summary>
/// Returns instance of ObsoleteAttribute for this MemberCore
/// </summary>
- public ObsoleteAttribute GetObsoleteAttribute (DeclSpace ds)
+ public virtual ObsoleteAttribute GetObsoleteAttribute ()
{
// ((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;
Attribute obsolete_attr = OptAttributes.Search (
- TypeManager.obsolete_attribute_type, ds.EmitContext);
+ TypeManager.obsolete_attribute_type);
if (obsolete_attr == null)
return null;
- ObsoleteAttribute obsolete = obsolete_attr.GetObsoleteAttribute (ds.EmitContext);
+ ObsoleteAttribute obsolete = obsolete_attr.GetObsoleteAttribute ();
if (obsolete == null)
return null;
return obsolete;
}
+ /// <summary>
+ /// Checks for ObsoleteAttribute presence. It's used for testing of all non-types elements
+ /// </summary>
+ public virtual void CheckObsoleteness (Location loc)
+ {
+ if (Parent != null)
+ Parent.CheckObsoleteness (loc);
+
+ ObsoleteAttribute oa = GetObsoleteAttribute ();
+ if (oa == null) {
+ return;
+ }
+
+ AttributeTester.Report_ObsoleteMessage (oa, GetSignatureForError (), loc);
+ }
+
/// <summary>
/// Analyze whether CLS-Compliant verification must be execute for this MemberCore.
/// </summary>
- public override bool IsClsComplianceRequired (DeclSpace container)
+ public override bool IsClsComplianceRequired ()
{
if ((caching_flags & Flags.ClsCompliance_Undetected) == 0)
return (caching_flags & Flags.ClsCompliant) != 0;
- if (GetClsCompliantAttributeValue (container) && IsExposedFromAssembly (container)) {
+ if (GetClsCompliantAttributeValue () && IsExposedFromAssembly ()) {
caching_flags &= ~Flags.ClsCompliance_Undetected;
caching_flags |= Flags.ClsCompliant;
return true;
/// <summary>
/// Returns true when MemberCore is exposed from assembly.
/// </summary>
- public bool IsExposedFromAssembly (DeclSpace ds)
+ public bool IsExposedFromAssembly ()
{
if ((ModFlags & (Modifiers.PUBLIC | Modifiers.PROTECTED)) == 0)
return false;
- DeclSpace parentContainer = ds;
+ DeclSpace parentContainer = Parent;
while (parentContainer != null && parentContainer.ModFlags != 0) {
if ((parentContainer.ModFlags & (Modifiers.PUBLIC | Modifiers.PROTECTED)) == 0)
return false;
}
/// <summary>
- /// Resolve CLSCompliantAttribute value or gets cached value.
+ /// Goes through class hierarchy and gets value of first found CLSCompliantAttribute.
+ /// If no is attribute exists then assembly CLSCompliantAttribute is returned.
/// </summary>
- bool GetClsCompliantAttributeValue (DeclSpace ds)
+ public virtual bool GetClsCompliantAttributeValue ()
{
+ if ((caching_flags & Flags.HasCompliantAttribute_Undetected) == 0)
+ return (caching_flags & Flags.ClsCompliantAttributeTrue) != 0;
+
+ caching_flags &= ~Flags.HasCompliantAttribute_Undetected;
+
if (OptAttributes != null) {
Attribute cls_attribute = OptAttributes.Search (
- TypeManager.cls_compliant_attribute_type, ds.EmitContext);
+ TypeManager.cls_compliant_attribute_type);
if (cls_attribute != null) {
caching_flags |= Flags.HasClsCompliantAttribute;
- return cls_attribute.GetClsCompliantAttributeValue (ds.EmitContext);
+ bool value = cls_attribute.GetClsCompliantAttributeValue ();
+ if (value)
+ caching_flags |= Flags.ClsCompliantAttributeTrue;
+ return value;
}
}
- return ds.GetClsCompliantAttributeValue ();
+
+ if (Parent.GetClsCompliantAttributeValue ()) {
+ caching_flags |= Flags.ClsCompliantAttributeTrue;
+ return true;
+ }
+ return false;
}
/// <summary>
/// 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)
+ protected virtual bool VerifyClsCompliance ()
{
- if (!IsClsComplianceRequired (ds)) {
+ if (!IsClsComplianceRequired ()) {
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 (!IsExposedFromAssembly ())
+ Report.Warning (3019, 2, Location, "CLS compliance checking will not be performed on `{0}' because it is not visible from outside this assembly", 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 ());
+ Report.Warning (3021, 2, Location, "`{0}' does not need a CLSCompliant attribute because the assembly is not marked as CLS-compliant", 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 ());
+ Report.Error (3014, Location,
+ "`{0}' cannot be marked as CLS-compliant because the assembly is not marked as CLS-compliant",
+ 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 () );
+ if (member_name.Name [0] == '_') {
+ Report.Error (3008, Location, "Identifier `{0}' is not CLS-compliant", GetSignatureForError () );
}
return true;
}
- protected abstract void VerifyObsoleteAttribute ();
-
//
// Raised (and passed an XmlElement that contains the comment)
// when GenerateDocComment is writing documentation expectedly.
//
- internal virtual void OnGenerateDocComment (DeclSpace ds, XmlElement intermediateNode)
+ internal virtual void OnGenerateDocComment (XmlElement intermediateNode)
{
}
{
DocUtil.GenerateDocComment (this, ds);
}
+
+ public override IResolveContext ResolveContext {
+ get { return this; }
+ }
+
+ #region IResolveContext Members
+
+ public DeclSpace DeclContainer {
+ get { return Parent; }
+ }
+
+ public virtual DeclSpace GenericDeclContainer {
+ get { return DeclContainer; }
+ }
+
+ public bool IsInObsoleteScope {
+ get {
+ if (GetObsoleteAttribute () != null)
+ return true;
+
+ return Parent == null ? false : Parent.IsInObsoleteScope;
+ }
+ }
+
+ public bool IsInUnsafeScope {
+ get {
+ if ((ModFlags & Modifiers.UNSAFE) != 0)
+ return true;
+
+ return Parent == null ? false : Parent.IsInUnsafeScope;
+ }
+ }
+
+ #endregion
}
/// <summary>
/// provides the common foundation for managing those name
/// spaces.
/// </remarks>
- public abstract class DeclSpace : MemberCore, IAlias {
+ public abstract class DeclSpace : MemberCore {
/// <summary>
/// This points to the actual definition that is being
/// created with System.Reflection.Emit
protected Hashtable defined_names;
+ public TypeContainer PartialContainer;
+
readonly bool is_generic;
readonly int count_type_params;
readonly int count_current_type_params;
- // The emit context for toplevel objects.
- protected EmitContext ec;
-
- public EmitContext EmitContext {
- get { return ec; }
- }
-
//
// Whether we are Generic
//
static string[] attribute_targets = new string [] { "type" };
- public DeclSpace (NamespaceEntry ns, TypeContainer parent, MemberName name,
- Attributes attrs, Location l)
- : base (parent, name, attrs, l)
+ public DeclSpace (NamespaceEntry ns, DeclSpace parent, MemberName name,
+ Attributes attrs)
+ : base (parent, name, attrs)
{
NamespaceEntry = ns;
Basename = name.Basename;
defined_names = new Hashtable ();
+ PartialContainer = null;
if (name.TypeArguments != null) {
is_generic = true;
count_type_params = count_current_type_params = name.TypeArguments.Count;
count_type_params += parent.count_type_params;
}
+ public override DeclSpace GenericDeclContainer {
+ get { return this; }
+ }
+
/// <summary>
/// Adds the member to defined_names table. It tests for duplications and enclosing name conflicts
/// </summary>
- protected bool AddToContainer (MemberCore symbol, string name)
- {
- if (name == Basename && !(this is Interface) && !(this is Enum)) {
- if (symbol is TypeParameter)
- Report.Error (694, "Type parameter `{0}' has same name as " +
- "containing type or method", name);
- else {
- Report.SymbolRelatedToPreviousError (this);
- Report.Error (542, "'{0}': member names cannot be the same as their " +
- "enclosing type", symbol.Location, symbol.GetSignatureForError ());
- }
- return false;
- }
-
+ protected virtual bool AddToContainer (MemberCore symbol, string name)
+ {
MemberCore mc = (MemberCore) defined_names [name];
if (mc == null) {
if (symbol.MarkForDuplicationCheck () && mc.MarkForDuplicationCheck ())
return true;
- if (symbol is TypeParameter)
- Report.Error (692, symbol.Location, "Duplicate type parameter `{0}'", name);
- else {
- Report.SymbolRelatedToPreviousError (mc);
+ Report.SymbolRelatedToPreviousError (mc);
+ if ((mc.ModFlags & Modifiers.PARTIAL) != 0 && (symbol is ClassOrStruct || symbol is Interface)) {
+ Error_MissingPartialModifier (symbol);
+ return false;
+ }
+
+ if (this is RootTypes) {
+ Report.Error (101, symbol.Location,
+ "The namespace `{0}' already contains a definition for `{1}'",
+ ((DeclSpace)symbol).NamespaceEntry.GetSignatureForError (), symbol.MemberName.Name);
+ } else if (symbol is TypeParameter) {
+ Report.Error (692, symbol.Location,
+ "Duplicate type parameter `{0}'", name);
+ } else {
Report.Error (102, symbol.Location,
- "The type '{0}' already contains a definition for '{1}'",
- GetSignatureForError (), name);
+ "The type `{0}' already contains a definition for `{1}'",
+ GetSignatureForError (), symbol.MemberName.Name);
}
- return false;
- }
- public void RecordDecl ()
- {
- if ((NamespaceEntry != null) && (Parent == RootContext.Tree.Types))
- NamespaceEntry.DefineName (MemberName.Basename, this);
+ return false;
}
/// <summary>
// why there is a non-obvious test down here.
//
public bool IsTopLevel {
- get {
- if (Parent != null){
- if (Parent.Parent == null)
- return true;
- }
- return false;
- }
+ get { return (Parent != null && Parent.Parent == null); }
}
public virtual void CloseType ()
}
protected virtual TypeAttributes TypeAttr {
- get {
- return CodeGen.Module.DefaultCharSetType;
- }
+ get { return CodeGen.Module.DefaultCharSetType; }
}
/// <remarks>
/// Define all members, but don't apply any attributes or do anything which may
/// access not-yet-defined classes. This method also creates the MemberCache.
/// </summary>
- public abstract bool DefineMembers (TypeContainer parent);
-
- //
- // Whether this is an `unsafe context'
- //
- public bool UnsafeContext {
- get {
- if ((ModFlags & Modifiers.UNSAFE) != 0)
- return true;
- if (Parent != null)
- return Parent.UnsafeContext;
+ public virtual bool DefineMembers ()
+ {
+ if (((ModFlags & Modifiers.NEW) != 0) && IsTopLevel) {
+ Report.Error (1530, Location, "Keyword `new' is not allowed on namespace elements");
return false;
}
+ return true;
}
- EmitContext type_resolve_ec;
- protected EmitContext TypeResolveEmitContext {
- get {
- 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, Location.Null, null, null, ModFlags, false);
- }
- return type_resolve_ec;
- }
+ protected void Error_MissingPartialModifier (MemberCore type)
+ {
+ Report.Error (260, type.Location,
+ "Missing partial modifier on declaration of type `{0}'. Another partial declaration of this type exists",
+ type.GetSignatureForError ());
}
- // <summary>
- // Resolves the expression `e' for a type, and will recursively define
- // types. This should only be used for resolving base types.
- // </summary>
- protected TypeExpr ResolveBaseTypeExpr (Expression e, bool silent, Location loc)
+ public override string GetSignatureForError ()
{
- TypeResolveEmitContext.loc = loc;
- TypeResolveEmitContext.ContainerType = TypeBuilder;
- TypeResolveEmitContext.ResolvingTypeTree = true;
- if (this is GenericMethod)
- TypeResolveEmitContext.ContainerType = Parent.TypeBuilder;
- else
- TypeResolveEmitContext.ContainerType = TypeBuilder;
-
- return e.ResolveAsTypeTerminal (TypeResolveEmitContext);
+ if (IsGeneric) {
+ return SimpleName.RemoveGenericArity (Name) + TypeParameter.GetSignatureForError (CurrentTypeParameters);
+ }
+ // Parent.GetSignatureForError
+ return Name;
}
public bool CheckAccessLevel (Type check_type)
else
tb = TypeBuilder;
- if (check_type.IsGenericInstance)
- check_type = check_type.GetGenericTypeDefinition ();
-
+ check_type = TypeManager.DropGenericTypeArguments (check_type);
if (check_type == tb)
return true;
//
// This test should probably use the declaringtype.
//
- return check_type.Assembly == TypeBuilder.Assembly;
+ return check_type.Assembly == TypeBuilder.Assembly ||
+ TypeManager.IsFriendAssembly (check_type.Assembly);
case TypeAttributes.NestedPublic:
return true;
return FamilyAccessible (tb, check_type);
case TypeAttributes.NestedFamANDAssem:
- return (check_type.Assembly == tb.Assembly) &&
+ return ((check_type.Assembly == tb.Assembly) ||
+ TypeManager.IsFriendAssembly (check_type.Assembly)) &&
FamilyAccessible (tb, check_type);
case TypeAttributes.NestedFamORAssem:
return (check_type.Assembly == tb.Assembly) ||
- FamilyAccessible (tb, check_type);
+ FamilyAccessible (tb, check_type) ||
+ TypeManager.IsFriendAssembly (check_type.Assembly);
case TypeAttributes.NestedAssembly:
- return check_type.Assembly == tb.Assembly;
+ return check_type.Assembly == tb.Assembly ||
+ TypeManager.IsFriendAssembly (check_type.Assembly);
}
Console.WriteLine ("HERE: " + check_attr);
return ~ (~ mAccess | pAccess) == 0;
}
- public static void Error_AmbiguousTypeReference (Location loc, string name, string t1, string t2)
- {
- Report.Error (104, loc,
- "`{0}' is an ambiguous reference ({1} or {2})",
- name, t1, t2);
- }
-
- //
- // Return the nested type with name @name. Ensures that the nested type
- // is defined if necessary. Do _not_ use this when you have a MemberCache handy.
- //
- public virtual Type FindNestedType (string name)
- {
- return null;
- }
-
private Type LookupNestedTypeInHierarchy (string name)
{
// if the member cache has been created, lets use it.
for (Type current_type = TypeBuilder;
current_type != null && current_type != TypeManager.object_type;
current_type = current_type.BaseType) {
+ current_type = TypeManager.DropGenericTypeArguments (current_type);
if (current_type is TypeBuilder) {
- DeclSpace decl = this;
- if (current_type != TypeBuilder)
- decl = TypeManager.LookupDeclSpace (current_type);
- t = decl.FindNestedType (name);
+ TypeContainer tc = current_type == TypeBuilder
+ ? PartialContainer
+ : TypeManager.LookupTypeContainer (current_type);
+ if (tc != null)
+ t = tc.FindNestedType (name);
} else {
t = TypeManager.GetNestedType (current_type, name);
}
}
//
- // Public function used to locate types, this can only
- // be used after the ResolveTree function has been invoked.
+ // Public function used to locate types.
//
// Set 'ignore_cs0104' to true if you want to ignore cs0104 errors.
//
//
public FullNamedExpression LookupType (string name, Location loc, bool ignore_cs0104)
{
- if (this is PartialContainer)
- throw new InternalErrorException ("Should not get here");
-
if (Cache.Contains (name))
return (FullNamedExpression) Cache [name];
Type t = LookupNestedTypeInHierarchy (name);
if (t != null)
e = new TypeExpression (t, Location.Null);
- else if (Parent != null && Parent != RootContext.Tree.Types)
+ else if (Parent != null)
e = Parent.LookupType (name, loc, ignore_cs0104);
else
e = NamespaceEntry.LookupNamespaceOrType (this, name, loc, ignore_cs0104);
TypeBuilder.SetCustomAttribute (cb);
}
- /// <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) {
- Attribute cls_attribute = OptAttributes.Search (TypeManager.cls_compliant_attribute_type, ec);
- if (cls_attribute != null) {
- caching_flags |= Flags.HasClsCompliantAttribute;
- if (cls_attribute.GetClsCompliantAttributeValue (ec)) {
- 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;
- }
-
//
// Extensions for generics
//
if (param.Name != name)
continue;
- if (RootContext.WarningLevel >= 3)
- Report.Warning (
- 693, Location,
- "Type parameter `{0}' has same name " +
- "as type parameter from outer type `{1}'",
- name, Parent.GetInstantiationName ());
+ Report.SymbolRelatedToPreviousError (Parent);
+ // TODO: Location is wrong (parent instead of child)
+ Report.Warning (693, 3, Location,
+ "Type parameter `{0}' has the same name as the type parameter from outer type `{1}'",
+ name, Parent.GetSignatureForError ());
return false;
}
if (!is_generic) {
if (constraints_list != null) {
Report.Error (
- 80, Location, "Contraints are not allowed " +
+ 80, Location, "Constraints are not allowed " +
"on non-generic declarations");
}
return;
}
- string[] names = MemberName.TypeArguments.GetDeclarations ();
+ TypeParameterName[] names = MemberName.TypeArguments.GetDeclarations ();
type_params = new TypeParameter [names.Length];
//
// Register all the names
//
for (int i = 0; i < type_params.Length; i++) {
- string name = names [i];
+ TypeParameterName name = names [i];
Constraints constraints = null;
if (constraints_list != null) {
- foreach (Constraints constraint in constraints_list) {
- if (constraint.TypeParameter == name) {
- constraints = constraint;
+ int total = constraints_list.Count;
+ for (int ii = 0; ii < total; ++ii) {
+ Constraints constraints_at = (Constraints)constraints_list[ii];
+ // TODO: it is used by iterators only
+ if (constraints_at == null) {
+ constraints_list.RemoveAt (ii);
+ --total;
+ continue;
+ }
+ if (constraints_at.TypeParameter == name.Name) {
+ constraints = constraints_at;
+ constraints_list.RemoveAt(ii);
break;
}
}
}
- type_params [i] = new TypeParameter (Parent, name, constraints, Location);
+ type_params [i] = new TypeParameter (
+ Parent, this, name.Name, constraints, name.OptAttributes,
+ Location);
- AddToContainer (type_params [i], name);
+ AddToContainer (type_params [i], name.Name);
+ }
+
+ if (constraints_list != null && constraints_list.Count > 0) {
+ foreach (Constraints constraint in constraints_list) {
+ Report.Error(699, constraint.Location, "`{0}': A constraint references nonexistent type parameter `{1}'",
+ GetSignatureForError (), constraint.TypeParameter);
+ }
}
}
}
}
- protected TypeParameter[] CurrentTypeParameters {
+ public TypeParameter[] CurrentTypeParameters {
get {
if (!IsGeneric)
throw new InvalidOperationException ();
if (!IsGeneric)
return null;
- foreach (TypeParameter type_param in CurrentTypeParameters) {
- if (type_param.Name != name)
- continue;
+ TypeParameter [] current_params;
+ if (this is TypeContainer)
+ current_params = PartialContainer.CurrentTypeParameters;
+ else
+ current_params = CurrentTypeParameters;
- return new TypeParameterExpr (type_param, loc);
+ foreach (TypeParameter type_param in current_params) {
+ if (type_param.Name == name)
+ return new TypeParameterExpr (type_param, loc);
}
if (Parent != null)
return null;
}
- bool IAlias.IsType {
- get { return true; }
- }
-
- string IAlias.Name {
- get { return Name; }
+ public override string[] ValidAttributeTargets {
+ get { return attribute_targets; }
}
- TypeExpr IAlias.ResolveAsType (EmitContext ec)
+ protected override bool VerifyClsCompliance ()
{
- if (TypeBuilder == null)
- throw new InvalidOperationException ();
+ if (!base.VerifyClsCompliance ()) {
+ return false;
+ }
- if (CurrentType != null)
- return new TypeExpression (CurrentType, Location);
- else
- return new TypeExpression (TypeBuilder, Location);
- }
+ IDictionary cache = TypeManager.AllClsTopLevelTypes;
+ string lcase = Name.ToLower (System.Globalization.CultureInfo.InvariantCulture);
+ if (!cache.Contains (lcase)) {
+ cache.Add (lcase, this);
+ return true;
+ }
- public override string[] ValidAttributeTargets {
- get {
- return attribute_targets;
+ object val = cache [lcase];
+ if (val == null) {
+ Type t = AttributeTester.GetImportedIgnoreCaseClsType (lcase);
+ if (t == null)
+ return true;
+ Report.SymbolRelatedToPreviousError (t);
+ }
+ else {
+ Report.SymbolRelatedToPreviousError ((DeclSpace)val);
}
+ Report.Warning (3005, 1, Location, "Identifier `{0}' differing only in case is not CLS-compliant", GetSignatureForError ());
+ return true;
}
}
// method cache with all declared and inherited methods.
Type type = container.Type;
if (!(type is TypeBuilder) && !type.IsInterface &&
- // !(type.IsGenericInstance && (type.GetGenericTypeDefinition () is TypeBuilder)) &&
- !type.IsGenericInstance &&
+ // !(type.IsGenericType && (type.GetGenericTypeDefinition () is TypeBuilder)) &&
+ !type.IsGenericType &&
(Container.BaseCache == null || Container.BaseCache.method_hash != null)) {
method_hash = new Hashtable ();
AddMethods (type);
/// <summary>
/// Bootstrap this member cache by doing a deep-copy of our base.
/// </summary>
- Hashtable SetupCache (MemberCache base_class)
+ static Hashtable SetupCache (MemberCache base_class)
{
Hashtable hash = new Hashtable ();
// 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.Constructor, container);
+ AddMembers (MemberTypes.Field, container);
}
AddMembers (MemberTypes.Method, container);
AddMembers (MemberTypes.Property, container);
protected class CacheEntry {
public readonly IMemberContainer Container;
- public EntryType EntryType;
- public MemberInfo Member;
+ public readonly EntryType EntryType;
+ public readonly MemberInfo Member;
public CacheEntry (IMemberContainer container, MemberInfo member,
MemberTypes mt, BindingFlags bf)
static MemberInfo [] emptyMemberInfo = new MemberInfo [0];
public MemberInfo [] FindMembers (MemberTypes mt, BindingFlags bf, string name,
- MemberFilter filter, object criteria)
+ MemberFilter filter, object criteria)
{
if (using_global)
throw new Exception ();
IMemberContainer current = Container;
+ bool do_interface_search = current.IsInterface;
// `applicable' is a list of all members with the given member name `name'
// in the current class and all its base classes. The list is sorted in
// 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 (global))
+ if (declared_only)
+ break;
+
+ if (!do_interface_search && DoneSearching (global))
break;
current = entry.Container;
// Apply the filter to it.
if (filter (entry.Member, criteria)) {
- if ((entry.EntryType & EntryType.MaskType) != EntryType.Method)
+ if ((entry.EntryType & EntryType.MaskType) != EntryType.Method) {
do_method_search = false;
+ }
+
+ // Because interfaces support multiple inheritance we have to be sure that
+ // base member is from same interface, so only top level member will be returned
+ if (do_interface_search && global.Count > 0) {
+ bool member_already_exists = false;
+
+ foreach (MemberInfo mi in global) {
+ if (mi is MethodBase)
+ continue;
+
+ if (IsInterfaceBaseInterface (TypeManager.GetInterfaces (mi.DeclaringType), entry.Member.DeclaringType)) {
+ member_already_exists = true;
+ break;
+ }
+ }
+ if (member_already_exists)
+ continue;
+ }
+
global.Add (entry.Member);
}
}
global.CopyTo (copy);
return copy;
}
+
+ /// <summary>
+ /// Returns true if iterface exists in any base interfaces (ifaces)
+ /// </summary>
+ static bool IsInterfaceBaseInterface (Type[] ifaces, Type ifaceToFind)
+ {
+ foreach (Type iface in ifaces) {
+ if (iface == ifaceToFind)
+ return true;
+
+ Type[] base_ifaces = TypeManager.GetInterfaces (iface);
+ if (base_ifaces.Length > 0 && IsInterfaceBaseInterface (base_ifaces, ifaceToFind))
+ return true;
+ }
+ return false;
+ }
// find the nested type @name in @this.
public Type FindNestedType (string name)
// 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)
+ public MemberInfo FindMemberToOverride (Type invocationType, string name, Type [] paramTypes, GenericMethod genericMethod, bool is_property)
{
ArrayList applicable;
if (method_hash != null && !is_property)
}
} else {
mi = (MethodInfo) entry.Member;
- cmpAttrs = TypeManager.GetArgumentTypes (mi);
+ cmpAttrs = TypeManager.GetParameterData (mi).Types;
}
if (fi != null) {
if (!TypeManager.IsEqual (paramTypes [j], cmpAttrs [j]))
goto next;
}
-
+
+ //
+ // check generic arguments for methods
+ //
+ if (mi != null) {
+ Type [] cmpGenArgs = mi.GetGenericArguments ();
+ if (genericMethod != null && cmpGenArgs.Length > 0) {
+ if (genericMethod.TypeParameters.Length != cmpGenArgs.Length)
+ goto next;
+ }
+ else if (! (genericMethod == null && cmpGenArgs.Length == 0))
+ goto next;
+ }
+
//
// get one of the methods because this has the visibility info.
//
/// <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)
+ ///
+ // TODO: refactor as method is always 'this'
+ public static void VerifyClsParameterConflict (ArrayList al, MethodCore method, MemberInfo this_builder)
{
EntryType tested_type = (method is Constructor ? EntryType.Constructor : EntryType.Method) | EntryType.Public;
MethodBase method_to_compare = (MethodBase)entry.Member;
AttributeTester.Result result = AttributeTester.AreOverloadedMethodParamsClsCompliant (
- method.ParameterTypes, TypeManager.GetArgumentTypes (method_to_compare));
+ method.ParameterTypes, TypeManager.GetParameterData (method_to_compare).Types);
if (result == AttributeTester.Result.Ok)
continue;
// 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.IsClsComplianceRequired (method.Parent))
+ if (md != null && !md.IsClsComplianceRequired ())
continue;
Report.SymbolRelatedToPreviousError (entry.Member);
switch (result) {
case AttributeTester.Result.RefOutArrayError:
- Report.Error (3006, method.Location, "Overloaded method '{0}' differing only in ref or out, or in array rank, is not CLS-compliant", method.GetSignatureForError ());
+ Report.Error (3006, method.Location, "Overloaded method `{0}' differing only in ref or out, or in array rank, is not CLS-compliant", method.GetSignatureForError ());
continue;
case AttributeTester.Result.ArrayArrayError:
- Report.Error (3007, method.Location, "Overloaded method '{0}' differing only by unnamed array types is not CLS-compliant", method.GetSignatureForError ());
+ Report.Error (3007, method.Location, "Overloaded method `{0}' differing only by unnamed array types is not CLS-compliant", method.GetSignatureForError ());
continue;
}