X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=mcs%2Fmcs%2Fdecl.cs;h=f743f27ede616e2139c489a850fb6d2fc41f56b1;hb=209eae257ac9c28f1c8361fd78b2933744dd19af;hp=75ab49272b0bff81263bd161a7c196c0f05e59d2;hpb=1972473723234d8c6c144eddc949e1cb702e5825;p=mono.git diff --git a/mcs/mcs/decl.cs b/mcs/mcs/decl.cs index 75ab49272b0..f743f27ede6 100644 --- a/mcs/mcs/decl.cs +++ b/mcs/mcs/decl.cs @@ -4,12 +4,11 @@ // Author: Miguel de Icaza (miguel@gnu.org) // Marek Safar (marek.safar@seznam.cz) // -// Licensed under the terms of the GNU GPL +// Dual licensed under the terms of the MIT X11 or GNU GPL // -// (C) 2001 Ximian, Inc (http://www.ximian.com) -// (C) 2004 Novell, Inc +// Copyright 2001 Ximian, Inc (http://www.ximian.com) +// Copyright 2004-2008 Novell, Inc // -// TODO: Move the method verification stuff from the class.cs and interface.cs here // using System; @@ -19,7 +18,7 @@ using System.Globalization; using System.Reflection.Emit; using System.Reflection; -#if BOOTSTRAP_WITH_OLDLIB +#if BOOTSTRAP_WITH_OLDLIB || NET_2_1 using XmlElement = System.Object; #else using System.Xml; @@ -27,6 +26,9 @@ using System.Xml; namespace Mono.CSharp { + // + // Better name would be DottenName + // public class MemberName { public readonly string Name; public readonly TypeArguments TypeArguments; @@ -79,8 +81,8 @@ namespace Mono.CSharp { : this (left, name, false, args, loc) { } - public MemberName (string alias, string name, Location loc) - : this (new MemberName (alias, loc), name, true, loc) + public MemberName (string alias, string name, TypeArguments args, Location loc) + : this (new MemberName (alias, loc), name, true, args, loc) { } public MemberName (MemberName left, MemberName right) @@ -95,6 +97,7 @@ namespace Mono.CSharp { this.Left = (right.Left == null) ? left : new MemberName (left, right.Left); } + // TODO: Remove public string GetName () { return GetName (false); @@ -114,38 +117,25 @@ namespace Mono.CSharp { 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) + connect + name; - else - return name; - } + return Left.GetName (is_generic) + (is_double_colon ? "::" : ".") + name; - public string GetTypeName () - { - string connect = is_double_colon ? "::" : "."; - if (Left != null) - return Left.GetTypeName () + connect + MakeName (Name, TypeArguments); - else - return MakeName (Name, TypeArguments); + return name; } - public Expression GetTypeExpression () + public ATypeNameExpression GetTypeExpression () { if (Left == null) { if (TypeArguments != null) return new SimpleName (Basename, TypeArguments, Location); - if (RootContext.Version == LanguageVersion.LINQ && Name == "var") - return new VarExpr (Name, Location); - 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); + return new QualifiedAliasMember (Left.Name, Name, TypeArguments, Location); } Expression lexpr = Left.GetTypeExpression (); @@ -162,37 +152,17 @@ namespace Mono.CSharp { get { if (TypeArguments != null) return MakeName (Name, TypeArguments); - else - return Name; - } - } - - public string FullName { - get { - if (TypeArguments != null) - return Name + "<" + TypeArguments + ">"; - else - return Name; - } - } - - public string MethodName { - get { - string connect = is_double_colon ? "::" : "."; - if (Left != null) - return Left.FullName + connect + Name; - else - return Name; + return Name; } } - public override string ToString () + public string GetSignatureForError () { + string append = TypeArguments == null ? "" : "<" + TypeArguments.GetSignatureForError () + ">"; + if (Left == null) + return Name + append; string connect = is_double_colon ? "::" : "."; - if (Left != null) - return Left.FullName + connect + FullName; - else - return FullName; + return Left.GetSignatureForError () + connect + Name + append; } public override bool Equals (object other) @@ -251,8 +221,8 @@ namespace Mono.CSharp { { if (args == null) return name; - else - return name + "`" + args.Count; + + return name + "`" + args.Count; } public static string MakeName (string name, int count) @@ -271,6 +241,7 @@ namespace Mono.CSharp { /// protected string cached_name; + // TODO: Remove in favor of MemberName public string Name { get { if (cached_name == null) @@ -336,7 +307,8 @@ namespace Mono.CSharp { IsUsed = 1 << 11, IsAssigned = 1 << 12, // Field is assigned HasExplicitLayout = 1 << 13, - PartialDefinitionExists = 1 << 14 // Set when corresponding partial method definition exists + PartialDefinitionExists = 1 << 14, // Set when corresponding partial method definition exists + HasStructLayout = 1 << 15 // Has StructLayoutAttribute } /// @@ -357,7 +329,7 @@ namespace Mono.CSharp { member_name = new_name; cached_name = null; } - + protected bool CheckAbstractAndExtern (bool has_block) { if (Parent.PartialContainer.Kind == Kind.Interface) @@ -377,19 +349,52 @@ namespace Mono.CSharp { } } else { if ((ModFlags & (Modifiers.ABSTRACT | Modifiers.EXTERN | Modifiers.PARTIAL)) == 0) { - if (RootContext.Version >= LanguageVersion.LINQ && this is Property.PropertyMethod) { - Report.Error (840, Location, "`{0}' must have a body because it is not marked abstract or extern. The property can be automatically implemented when you define both accessors", - GetSignatureForError ()); - } else { - Report.Error (501, Location, "`{0}' must have a body because it is not marked abstract, extern, or partial", - GetSignatureForError ()); + if (RootContext.Version >= LanguageVersion.LINQ) { + Property.PropertyMethod pm = this as Property.PropertyMethod; + if (pm is Indexer.GetIndexerMethod || pm is Indexer.SetIndexerMethod) + pm = null; + + if (pm != null && (pm.Property.Get.IsDummy || pm.Property.Set.IsDummy)) { + Report.Error (840, Location, + "`{0}' must have a body because it is not marked abstract or extern. The property can be automatically implemented when you define both accessors", + GetSignatureForError ()); + return false; + } } + + Report.Error (501, Location, "`{0}' must have a body because it is not marked abstract, extern, or partial", + GetSignatureForError ()); return false; } } return true; - } + } + + public void CheckProtectedModifier () + { + if ((ModFlags & Modifiers.PROTECTED) == 0) + return; + + if (Parent.PartialContainer.Kind == Kind.Struct) { + Report.Error (666, Location, "`{0}': Structs cannot contain protected members", + GetSignatureForError ()); + return; + } + + if ((Parent.ModFlags & Modifiers.STATIC) != 0) { + Report.Error (1057, Location, "`{0}': Static classes cannot contain protected members", + GetSignatureForError ()); + return; + } + + if (((Parent.ModFlags & Modifiers.SEALED) != 0) && + ((ModFlags & Modifiers.OVERRIDE) == 0) && (Name != "Finalize")) { + Report.Warning (628, 4, Location, "`{0}': new protected member declared in sealed class", + GetSignatureForError ()); + return; + } + } public abstract bool Define (); @@ -408,9 +413,9 @@ namespace Mono.CSharp { public virtual string GetSignatureForError () { if (Parent == null || Parent.Parent == null) - return member_name.ToString (); + return member_name.GetSignatureForError (); - return String.Concat (Parent.GetSignatureForError (), '.', member_name.ToString ()); + return Parent.GetSignatureForError () + "." + member_name.GetSignatureForError (); } /// @@ -421,7 +426,17 @@ namespace Mono.CSharp { if (!RootContext.VerifyClsCompliance) return; - VerifyClsCompliance (); + if (Report.WarningLevel > 0) + VerifyClsCompliance (); + } + + public bool IsCompilerGenerated { + get { + if ((mod_flags & Modifiers.COMPILER_GENERATED) != 0) + return true; + + return Parent == null ? false : Parent.IsCompilerGenerated; + } } public virtual bool IsUsed { @@ -438,26 +453,24 @@ namespace Mono.CSharp { /// 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) { + if ((caching_flags & (Flags.Obsolete_Undetected | Flags.Obsolete)) == 0) return null; - } caching_flags &= ~Flags.Obsolete_Undetected; - if (OptAttributes == null) + if (OptAttributes == null || TypeManager.obsolete_attribute_type == null) return null; - Attribute obsolete_attr = OptAttributes.Search ( - TypeManager.obsolete_attribute_type); + Attribute obsolete_attr = OptAttributes.Search (TypeManager.obsolete_attribute_type); if (obsolete_attr == null) return null; + caching_flags |= Flags.Obsolete; + ObsoleteAttribute obsolete = obsolete_attr.GetObsoleteAttribute (); if (obsolete == null) return null; - caching_flags |= Flags.Obsolete; return obsolete; } @@ -466,15 +479,162 @@ namespace Mono.CSharp { /// public virtual void CheckObsoleteness (Location loc) { - if (Parent != null) - Parent.CheckObsoleteness (loc); - ObsoleteAttribute oa = GetObsoleteAttribute (); - if (oa == null) { - return; + if (oa != null) + AttributeTester.Report_ObsoleteMessage (oa, GetSignatureForError (), loc); + } + + // Access level of a type. + const int X = 1; + enum AccessLevel + { // Each column represents `is this scope larger or equal to Blah scope' + // Public Assembly Protected + Protected = (0 << 0) | (0 << 1) | (X << 2), + Public = (X << 0) | (X << 1) | (X << 2), + Private = (0 << 0) | (0 << 1) | (0 << 2), + Internal = (0 << 0) | (X << 1) | (0 << 2), + ProtectedOrInternal = (0 << 0) | (X << 1) | (X << 2), + } + + static AccessLevel GetAccessLevelFromModifiers (int flags) + { + if ((flags & Modifiers.INTERNAL) != 0) { + + if ((flags & Modifiers.PROTECTED) != 0) + return AccessLevel.ProtectedOrInternal; + else + return AccessLevel.Internal; + + } else if ((flags & Modifiers.PROTECTED) != 0) + return AccessLevel.Protected; + else if ((flags & Modifiers.PRIVATE) != 0) + return AccessLevel.Private; + else + return AccessLevel.Public; + } + + // + // Returns the access level for type `t' + // + static AccessLevel GetAccessLevelFromType (Type t) + { + if (t.IsPublic) + return AccessLevel.Public; + if (t.IsNestedPrivate) + return AccessLevel.Private; + if (t.IsNotPublic) + return AccessLevel.Internal; + + if (t.IsNestedPublic) + return AccessLevel.Public; + if (t.IsNestedAssembly) + return AccessLevel.Internal; + if (t.IsNestedFamily) + return AccessLevel.Protected; + if (t.IsNestedFamORAssem) + return AccessLevel.ProtectedOrInternal; + if (t.IsNestedFamANDAssem) + throw new NotImplementedException ("NestedFamANDAssem not implemented, cant make this kind of type from c# anyways"); + + // nested private is taken care of + + throw new Exception ("I give up, what are you?"); + } + + // + // Checks whether the type P is as accessible as this member + // + public bool IsAccessibleAs (Type p) + { + // + // if M is private, its accessibility is the same as this declspace. + // we already know that P is accessible to T before this method, so we + // may return true. + // + if ((mod_flags & Modifiers.PRIVATE) != 0) + return true; + + while (TypeManager.HasElementType (p)) + p = TypeManager.GetElementType (p); + +#if GMCS_SOURCE + if (p.IsGenericParameter) + return true; + + if (TypeManager.IsGenericType (p)) { + foreach (Type t in p.GetGenericArguments ()) { + if (!IsAccessibleAs (t)) + return false; + } + } +#endif + + for (Type p_parent = null; p != null; p = p_parent) { + p_parent = p.DeclaringType; + AccessLevel pAccess = GetAccessLevelFromType (p); + if (pAccess == AccessLevel.Public) + continue; + + bool same_access_restrictions = false; + for (MemberCore mc = this; !same_access_restrictions && mc != null && mc.Parent != null; mc = mc.Parent) { + AccessLevel al = GetAccessLevelFromModifiers (mc.ModFlags); + switch (pAccess) { + case AccessLevel.Internal: + if (al == AccessLevel.Private || al == AccessLevel.Internal) + same_access_restrictions = TypeManager.IsThisOrFriendAssembly (p.Assembly); + + break; + + case AccessLevel.Protected: + if (al == AccessLevel.Protected) { + same_access_restrictions = mc.Parent.IsBaseType (p_parent); + break; + } + + if (al == AccessLevel.Private) { + // + // When type is private and any of its parents derives from + // protected type then the type is accessible + // + while (mc.Parent != null) { + if (mc.Parent.IsBaseType (p_parent)) + same_access_restrictions = true; + mc = mc.Parent; + } + } + + break; + + case AccessLevel.ProtectedOrInternal: + if (al == AccessLevel.Protected) + same_access_restrictions = mc.Parent.IsBaseType (p_parent); + else if (al == AccessLevel.Internal) + same_access_restrictions = TypeManager.IsThisOrFriendAssembly (p.Assembly); + else if (al == AccessLevel.ProtectedOrInternal) + same_access_restrictions = mc.Parent.IsBaseType (p_parent) && + TypeManager.IsThisOrFriendAssembly (p.Assembly); + + break; + + case AccessLevel.Private: + // + // Both are private and share same parent + // + if (al == AccessLevel.Private) + same_access_restrictions = TypeManager.IsEqual (mc.Parent.TypeBuilder, p_parent); + + break; + + default: + throw new InternalErrorException (al.ToString ()); + } + } + + if (!same_access_restrictions) + return false; } - AttributeTester.Report_ObsoleteMessage (oa, GetSignatureForError (), loc); + return true; } /// @@ -523,7 +683,7 @@ namespace Mono.CSharp { caching_flags &= ~Flags.HasCompliantAttribute_Undetected; - if (OptAttributes != null) { + if (OptAttributes != null && TypeManager.cls_compliant_attribute_type != null) { Attribute cls_attribute = OptAttributes.Search ( TypeManager.cls_compliant_attribute_type); if (cls_attribute != null) { @@ -586,7 +746,7 @@ namespace Mono.CSharp { if (HasClsCompliantAttribute) { if (CodeGen.Assembly.ClsCompliantAttribute == null && !CodeGen.Assembly.IsClsCompliant) { - Report.Error (3014, Location, + Report.Warning (3014, 1, Location, "`{0}' cannot be marked as CLS-compliant because the assembly is not marked as CLS-compliant", GetSignatureForError ()); return false; @@ -600,7 +760,7 @@ namespace Mono.CSharp { } if (member_name.Name [0] == '_') { - Report.Error (3008, Location, "Identifier `{0}' is not CLS-compliant", GetSignatureForError () ); + Report.Warning (3008, 1, Location, "Identifier `{0}' is not CLS-compliant", GetSignatureForError () ); } return true; } @@ -631,7 +791,11 @@ namespace Mono.CSharp { // internal virtual void GenerateDocComment (DeclSpace ds) { - DocUtil.GenerateDocComment (this, ds); + try { + DocUtil.GenerateDocComment (this, ds); + } catch (Exception e) { + throw new InternalErrorException (this, e); + } } public override IResolveContext ResolveContext { @@ -705,9 +869,10 @@ namespace Mono.CSharp { public TypeContainer PartialContainer; - readonly bool is_generic; + protected readonly bool is_generic; readonly int count_type_params; - readonly int count_current_type_params; + protected TypeParameter[] type_params; + TypeParameter[] type_param_list; // // Whether we are Generic @@ -735,7 +900,7 @@ namespace Mono.CSharp { PartialContainer = null; if (name.TypeArguments != null) { is_generic = true; - count_type_params = count_current_type_params = name.TypeArguments.Count; + count_type_params = name.TypeArguments.Count; } if (parent != null) count_type_params += parent.count_type_params; @@ -772,7 +937,7 @@ namespace Mono.CSharp { ((DeclSpace)symbol).NamespaceEntry.GetSignatureForError (), symbol.MemberName.Name); } else if (symbol is TypeParameter) { Report.Error (692, symbol.Location, - "Duplicate type parameter `{0}'", name); + "Duplicate type parameter `{0}'", symbol.GetSignatureForError ()); } else { Report.Error (102, symbol.Location, "The type `{0}' already contains a definition for `{1}'", @@ -782,6 +947,11 @@ namespace Mono.CSharp { return false; } + protected void RemoveFromContainer (string name) + { + defined_names.Remove (name); + } + /// /// Returns the MemberCore associated with a given name in the declaration /// space. It doesn't return method based symbols !! @@ -805,6 +975,11 @@ namespace Mono.CSharp { get { return (Parent != null && Parent.Parent == null); } } + public virtual bool IsUnmanagedType () + { + return false; + } + public virtual void CloseType () { if ((caching_flags & Flags.CloseTypeCreated) == 0){ @@ -835,19 +1010,6 @@ namespace Mono.CSharp { /// public abstract TypeBuilder DefineType (); - /// - /// 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. - /// - 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; - } - protected void Error_MissingPartialModifier (MemberCore type) { Report.Error (260, type.Location, @@ -855,32 +1017,49 @@ namespace Mono.CSharp { type.GetSignatureForError ()); } + public override void Emit () + { +#if GMCS_SOURCE + if (type_params != null) { + int offset = count_type_params - type_params.Length; + for (int i = offset; i < type_params.Length; i++) + CurrentTypeParameters [i - offset].Emit (); + } + + if ((ModFlags & Modifiers.COMPILER_GENERATED) != 0 && !Parent.IsCompilerGenerated) + TypeBuilder.SetCustomAttribute (TypeManager.GetCompilerGeneratedAttribute (Location)); +#endif + + base.Emit (); + } + public override string GetSignatureForError () { - if (IsGeneric) { - return SimpleName.RemoveGenericArity (Name) + TypeParameter.GetSignatureForError (CurrentTypeParameters); - } - // Parent.GetSignatureForError - return Name; + return MemberName.GetSignatureForError (); } public bool CheckAccessLevel (Type check_type) { - TypeBuilder tb; - if (this is GenericMethod) + Type tb = TypeBuilder; +#if GMCS_SOURCE + if (this is GenericMethod) { tb = Parent.TypeBuilder; - else - tb = TypeBuilder; + + // FIXME: Generic container does not work with nested generic + // anonymous method stories + if (TypeBuilder == null) + return true; + } +#endif check_type = TypeManager.DropGenericTypeArguments (check_type); 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; + + // TODO: When called from LocalUsingAliasEntry tb is null + // because we are in RootDeclSpace + if (tb == null) + tb = typeof (RootDeclSpace); // // Broken Microsoft runtime, return public for arrays, no matter what @@ -890,9 +1069,6 @@ namespace Mono.CSharp { if (check_type.IsArray || check_type.IsPointer) return CheckAccessLevel (TypeManager.GetElementType (check_type)); - if (TypeManager.IsGenericParameter(check_type)) - return true; // FIXME - TypeAttributes check_attr = check_type.Attributes & TypeAttributes.VisibilityMask; switch (check_attr){ @@ -900,23 +1076,14 @@ namespace Mono.CSharp { return true; case TypeAttributes.NotPublic: - - 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 check_type.Assembly == TypeBuilder.Assembly || - TypeManager.IsFriendAssembly (check_type.Assembly); + return TypeManager.IsThisOrFriendAssembly (check_type.Assembly); case TypeAttributes.NestedPublic: - return true; + return CheckAccessLevel (check_type.DeclaringType); case TypeAttributes.NestedPrivate: - return NestedAccessible (tb, check_type); + Type declaring = check_type.DeclaringType; + return tb == declaring || TypeManager.IsNestedChildOf (tb, declaring); case TypeAttributes.NestedFamily: // @@ -925,145 +1092,40 @@ namespace Mono.CSharp { return FamilyAccessible (tb, check_type); case TypeAttributes.NestedFamANDAssem: - return ((check_type.Assembly == tb.Assembly) || - TypeManager.IsFriendAssembly (check_type.Assembly)) && + return TypeManager.IsThisOrFriendAssembly (check_type.Assembly) && FamilyAccessible (tb, check_type); case TypeAttributes.NestedFamORAssem: - return (check_type.Assembly == tb.Assembly) || - FamilyAccessible (tb, check_type) || - TypeManager.IsFriendAssembly (check_type.Assembly); + return FamilyAccessible (tb, check_type) || + TypeManager.IsThisOrFriendAssembly (check_type.Assembly); case TypeAttributes.NestedAssembly: - return check_type.Assembly == tb.Assembly || - TypeManager.IsFriendAssembly (check_type.Assembly); + return TypeManager.IsThisOrFriendAssembly (check_type.Assembly); } - Console.WriteLine ("HERE: " + check_attr); - return false; - + throw new NotImplementedException (check_attr.ToString ()); } - protected bool NestedAccessible (Type tb, Type check_type) + static bool FamilyAccessible (Type tb, Type check_type) { Type declaring = check_type.DeclaringType; - return TypeBuilder == declaring || - TypeManager.IsNestedChildOf (TypeBuilder, declaring); + return TypeManager.IsNestedFamilyAccessible (tb, declaring); } - protected bool FamilyAccessible (Type tb, Type check_type) + public bool IsBaseType (Type baseType) { - Type declaring = check_type.DeclaringType; - return TypeManager.IsNestedFamilyAccessible (TypeBuilder, declaring); - } + if (TypeManager.IsInterfaceType (baseType)) + throw new NotImplementedException (); - // Access level of a type. - const int X = 1; - enum AccessLevel { // Each column represents `is this scope larger or equal to Blah scope' - // Public Assembly Protected - Protected = (0 << 0) | (0 << 1) | (X << 2), - Public = (X << 0) | (X << 1) | (X << 2), - Private = (0 << 0) | (0 << 1) | (0 << 2), - Internal = (0 << 0) | (X << 1) | (0 << 2), - ProtectedOrInternal = (0 << 0) | (X << 1) | (X << 2), - } - - static AccessLevel GetAccessLevelFromModifiers (int flags) - { - if ((flags & Modifiers.INTERNAL) != 0) { - - if ((flags & Modifiers.PROTECTED) != 0) - return AccessLevel.ProtectedOrInternal; - else - return AccessLevel.Internal; - - } else if ((flags & Modifiers.PROTECTED) != 0) - return AccessLevel.Protected; - else if ((flags & Modifiers.PRIVATE) != 0) - return AccessLevel.Private; - else - return AccessLevel.Public; - } + Type type = TypeBuilder; + while (type != null) { + if (TypeManager.IsEqual (type, baseType)) + return true; - // What is the effective access level of this? - // TODO: Cache this? - AccessLevel EffectiveAccessLevel { - get { - AccessLevel myAccess = GetAccessLevelFromModifiers (ModFlags); - if (!IsTopLevel && (Parent != null)) - return myAccess & Parent.EffectiveAccessLevel; - return myAccess; + type = type.BaseType; } - } - - // Return the access level for type `t' - static AccessLevel TypeEffectiveAccessLevel (Type t) - { - if (t.IsPublic) - return AccessLevel.Public; - if (t.IsNestedPrivate) - return AccessLevel.Private; - if (t.IsNotPublic) - return AccessLevel.Internal; - - // By now, it must be nested - AccessLevel parent_level = TypeEffectiveAccessLevel (t.DeclaringType); - - if (t.IsNestedPublic) - return parent_level; - if (t.IsNestedAssembly) - return parent_level & AccessLevel.Internal; - if (t.IsNestedFamily) - return parent_level & AccessLevel.Protected; - if (t.IsNestedFamORAssem) - return parent_level & AccessLevel.ProtectedOrInternal; - if (t.IsNestedFamANDAssem) - throw new NotImplementedException ("NestedFamANDAssem not implemented, cant make this kind of type from c# anyways"); - - // nested private is taken care of - - throw new Exception ("I give up, what are you?"); - } - // - // This answers `is the type P, as accessible as a member M which has the - // accessability @flags which is declared as a nested member of the type T, this declspace' - // - public bool AsAccessible (Type p, int flags) - { - // - // 1) if M is private, its accessability is the same as this declspace. - // we already know that P is accessible to T before this method, so we - // may return true. - // - - if ((flags & Modifiers.PRIVATE) != 0) - return true; - - while (p.IsArray || p.IsPointer || p.IsByRef) - p = TypeManager.GetElementType (p); - -#if GMCS_SOURCE - if (p.IsGenericParameter) - return true; - - if (TypeManager.IsGenericType (p)) { - foreach (Type t in p.GetGenericArguments ()) { - if (!AsAccessible (t, flags)) - return false; - } - } -#endif - AccessLevel pAccess = TypeEffectiveAccessLevel (p); - AccessLevel mAccess = this.EffectiveAccessLevel & - GetAccessLevelFromModifiers (flags); - - // for every place from which we can access M, we must - // be able to access P as well. So, we want - // For every bit in M and P, M_i -> P_1 == true - // or, ~ (M -> P) == 0 <-> ~ ( ~M | P) == 0 - - return ~ (~ mAccess | pAccess) == 0; + return false; } private Type LookupNestedTypeInHierarchy (string name) @@ -1122,7 +1184,7 @@ namespace Mono.CSharp { return null; } - public virtual ExtensionMethodGroupExpr LookupExtensionMethod (Type extensionType, string name) + public virtual ExtensionMethodGroupExpr LookupExtensionMethod (Type extensionType, string name, Location loc) { return null; } @@ -1140,6 +1202,7 @@ namespace Mono.CSharp { return (FullNamedExpression) Cache [name]; FullNamedExpression e; + int errors = Report.Errors; Type t = LookupNestedTypeInHierarchy (name); if (t != null) e = new TypeExpression (t, Location.Null); @@ -1148,7 +1211,9 @@ namespace Mono.CSharp { else e = NamespaceEntry.LookupNamespaceOrType (this, name, loc, ignore_cs0104); - Cache [name] = e; + if (errors == Report.Errors) + Cache [name] = e; + return e; } @@ -1182,45 +1247,6 @@ namespace Mono.CSharp { TypeBuilder.SetCustomAttribute (cb); } - // - // Extensions for generics - // - TypeParameter[] type_params; - TypeParameter[] type_param_list; - - protected string GetInstantiationName () - { - StringBuilder sb = new StringBuilder (Name); - sb.Append ("<"); - for (int i = 0; i < type_param_list.Length; i++) { - if (i > 0) - sb.Append (","); - sb.Append (type_param_list [i].Name); - } - sb.Append (">"); - return sb.ToString (); - } - - bool check_type_parameter (ArrayList list, int start, string name) - { - for (int i = 0; i < start; i++) { - TypeParameter param = (TypeParameter) list [i]; - - if (param.Name != name) - continue; - - 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; - } - - return true; - } - TypeParameter[] initialize_type_params () { if (type_param_list != null) @@ -1230,20 +1256,28 @@ namespace Mono.CSharp { if (this is GenericMethod) the_parent = null; - int start = 0; ArrayList list = new ArrayList (); if (the_parent != null && the_parent.IsGeneric) { // FIXME: move generics info out of DeclSpace TypeParameter[] parent_params = the_parent.PartialContainer.TypeParameters; - start = parent_params.Length; list.AddRange (parent_params); } int count = type_params != null ? type_params.Length : 0; for (int i = 0; i < count; i++) { TypeParameter param = type_params [i]; - check_type_parameter (list, start, param.Name); list.Add (param); + if (Parent.IsGeneric) { + foreach (TypeParameter tp in Parent.PartialContainer.CurrentTypeParameters) { + if (tp.Name != param.Name) + continue; + + Report.SymbolRelatedToPreviousError (tp.Location, null); + Report.Warning (693, 3, param.Location, + "Type parameter `{0}' has the same name as the type parameter from outer type `{1}'", + param.Name, Parent.GetSignatureForError ()); + } + } } type_param_list = new TypeParameter [list.Count]; @@ -1323,12 +1357,12 @@ namespace Mono.CSharp { get { if (!IsGeneric) throw new InvalidOperationException (); - if ((PartialContainer != null) && (PartialContainer != this)) - return PartialContainer.CurrentTypeParameters; - if (type_params != null) - return type_params; - else + + // TODO: Something is seriously broken here + if (type_params == null) return new TypeParameter [0]; + + return type_params; } } @@ -1338,12 +1372,6 @@ namespace Mono.CSharp { } } - public int CountCurrentTypeParameters { - get { - return count_current_type_params; - } - } - public TypeParameterExpr LookupGeneric (string name, Location loc) { if (!IsGeneric) @@ -1411,11 +1439,8 @@ namespace Mono.CSharp { else { Report.SymbolRelatedToPreviousError ((DeclSpace)val); } -#if GMCS_SOURCE + Report.Warning (3005, 1, Location, "Identifier `{0}' differing only in case is not CLS-compliant", GetSignatureForError ()); -#else - Report.Error (3005, Location, "Identifier `{0}' differing only in case is not CLS-compliant", GetSignatureForError ()); -#endif return true; } } @@ -1813,9 +1838,10 @@ namespace Mono.CSharp { AddMember (mi.MemberType, GetBindingFlags (mc.ModFlags), Container, mi.Name, mi); } - public void AddGenericMember (MemberInfo mi, MemberCore mc) + public void AddGenericMember (MemberInfo mi, InterfaceMemberBase mc) { - AddMember (mi.MemberType, GetBindingFlags (mc.ModFlags), Container, mc.MemberName.Basename, mi); + AddMember (mi.MemberType, GetBindingFlags (mc.ModFlags), Container, + MemberName.MakeName (mc.GetFullName (mc.MemberName), mc.MemberName.TypeArguments), mi); } public void AddNestedType (DeclSpace type) @@ -1836,7 +1862,7 @@ namespace Mono.CSharp { // We use a name-based hash table of ArrayList's. ArrayList list = (ArrayList) member_hash [name]; if (list == null) { - list = new ArrayList (); + list = new ArrayList (1); member_hash.Add (name, list); } @@ -1897,7 +1923,7 @@ namespace Mono.CSharp { // We use a name-based hash table of ArrayList's. ArrayList list = (ArrayList) method_hash [name]; if (list == null) { - list = new ArrayList (); + list = new ArrayList (1); method_hash.Add (name, list); } @@ -2285,7 +2311,7 @@ namespace Mono.CSharp { MethodBase mb = (MethodBase)entry.Member; IMethodData md = TypeManager.GetMethod (mb); - ParameterData pd = md == null ? + AParametersCollection pd = md == null ? TypeManager.GetParameterData (mb) : md.ParameterInfo; Type ex_type = pd.ExtensionMethodType; @@ -2313,7 +2339,7 @@ namespace Mono.CSharp { // Because the MemberCache holds members from this class and all the base classes, // we can avoid tons of reflection stuff. // - public MemberInfo FindMemberToOverride (Type invocation_type, string name, Type [] param_types, GenericMethod generic_method, bool is_property) + public MemberInfo FindMemberToOverride (Type invocation_type, string name, AParametersCollection parameters, GenericMethod generic_method, bool is_property) { ArrayList applicable; if (method_hash != null && !is_property) @@ -2335,22 +2361,19 @@ namespace Mono.CSharp { PropertyInfo pi = null; MethodInfo mi = null; FieldInfo fi = null; - Type [] cmp_attrs = null; + AParametersCollection cmp_attrs; if (is_property) { if ((entry.EntryType & EntryType.Field) != 0) { fi = (FieldInfo)entry.Member; - - // TODO: For this case we ignore member type - //fb = TypeManager.GetField (fi); - //cmp_attrs = new Type[] { fb.MemberType }; + cmp_attrs = Parameters.EmptyReadOnlyParameters; } else { pi = (PropertyInfo) entry.Member; - cmp_attrs = TypeManager.GetArgumentTypes (pi); + cmp_attrs = TypeManager.GetParameterData (pi); } } else { mi = (MethodInfo) entry.Member; - cmp_attrs = TypeManager.GetParameterData (mi).Types; + cmp_attrs = TypeManager.GetParameterData (mi); } if (fi != null) { @@ -2383,14 +2406,23 @@ namespace Mono.CSharp { // // Check the arguments // - if (cmp_attrs.Length != param_types.Length) + if (cmp_attrs.Count != parameters.Count) continue; int j; - for (j = 0; j < cmp_attrs.Length; ++j) - if (!TypeManager.IsEqual (param_types [j], cmp_attrs [j])) + for (j = 0; j < cmp_attrs.Count; ++j) { + // + // LAMESPEC: No idea why `params' modifier is ignored + // + if ((parameters.FixedParameters [j].ModFlags & ~Parameter.Modifier.PARAMS) != + (cmp_attrs.FixedParameters [j].ModFlags & ~Parameter.Modifier.PARAMS)) break; - if (j < cmp_attrs.Length) + + if (!TypeManager.IsEqual (parameters.Types [j], cmp_attrs.Types [j])) + break; + } + + if (j < cmp_attrs.Count) continue; // @@ -2398,9 +2430,9 @@ namespace Mono.CSharp { // if (mi != null) { Type [] cmpGenArgs = TypeManager.GetGenericArguments (mi); - if (generic_method == null && cmpGenArgs.Length != 0) + if (generic_method == null && cmpGenArgs != null && cmpGenArgs.Length != 0) continue; - if (generic_method != null && cmpGenArgs.Length != generic_method.TypeParameters.Length) + if (generic_method != null && cmpGenArgs != null && cmpGenArgs.Length != generic_method.TypeParameters.Length) continue; } @@ -2433,7 +2465,7 @@ namespace Mono.CSharp { // // Check for assembly methods // - if (mi.DeclaringType.Assembly != CodeGen.Assembly.Builder) + if (!TypeManager.IsThisOrFriendAssembly (mi.DeclaringType.Assembly)) continue; break; } @@ -2478,8 +2510,8 @@ namespace Mono.CSharp { // 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) + AParametersCollection arg_types = TypeManager.GetParameterData ((PropertyInfo)entry.Member); + if (arg_types.Count > 0) continue; } } @@ -2511,31 +2543,31 @@ namespace Mono.CSharp { // 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; + 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; @@ -2572,7 +2604,7 @@ namespace Mono.CSharp { MethodBase method_to_compare = (MethodBase)entry.Member; AttributeTester.Result result = AttributeTester.AreOverloadedMethodParamsClsCompliant ( - method.ParameterTypes, TypeManager.GetParameterData (method_to_compare).Types); + method.Parameters, TypeManager.GetParameterData (method_to_compare)); if (result == AttributeTester.Result.Ok) continue; @@ -2586,12 +2618,16 @@ namespace Mono.CSharp { 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 ()); - 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 ()); - continue; + case AttributeTester.Result.RefOutArrayError: + Report.Warning (3006, 1, 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.Warning (3007, 1, method.Location, + "Overloaded method `{0}' differing only by unnamed array types is not CLS-compliant", + method.GetSignatureForError ()); + continue; } throw new NotImplementedException (result.ToString ()); @@ -2612,11 +2648,19 @@ namespace Mono.CSharp { return true; Type [] p_types; - ParameterData pd = null; + AParametersCollection pd; if ((ce.EntryType & EntryType.Property) != 0) { - p_types = TypeManager.GetArgumentTypes ((PropertyInfo) ce.Member); + pd = TypeManager.GetParameterData ((PropertyInfo) ce.Member); + p_types = pd.Types; } else { - pd = TypeManager.GetParameterData ((MethodBase)ce.Member); + MethodBase mb = (MethodBase) ce.Member; +#if GMCS_SOURCE + // TODO: This is more like a hack, because we are adding generic methods + // twice with and without arity name + if (mb.IsGenericMethod && !member.MemberName.IsGeneric) + continue; +#endif + pd = TypeManager.GetParameterData (mb); p_types = pd.Types; } @@ -2627,8 +2671,9 @@ namespace Mono.CSharp { int ii = method_param_count - 1; Type type_a, type_b; do { - type_a = parameters.ParameterType (ii); + type_a = parameters.Types [ii]; type_b = p_types [ii]; + #if GMCS_SOURCE if (type_a.IsGenericParameter && type_a.DeclaringMethod != null) type_a = null; @@ -2636,6 +2681,10 @@ namespace Mono.CSharp { if (type_b.IsGenericParameter && type_b.DeclaringMethod != null) type_b = null; #endif + if ((pd.FixedParameters [ii].ModFlags & Parameter.Modifier.ISBYREF) != + (parameters.FixedParameters [ii].ModFlags & Parameter.Modifier.ISBYREF)) + type_a = null; + } while (type_a == type_b && ii-- != 0); if (ii >= 0) @@ -2653,9 +2702,9 @@ namespace Mono.CSharp { // // Report difference in parameter modifiers only // - if (pd != null && !(member is AbstractPropertyEventMethod)) { + if (pd != null && member is MethodCore) { ii = method_param_count; - while (ii-- != 0 && parameters.ParameterModifier (ii) == pd.ParameterModifier (ii) && + while (ii-- != 0 && parameters.FixedParameters [ii].ModFlags == pd.FixedParameters [ii].ModFlags && parameters.ExtensionMethodType == pd.ExtensionMethodType); if (ii >= 0) {