using System.Collections;
using System.Reflection;
using System.Reflection.Emit;
+using System.Globalization;
namespace Mono.CSharp {
+ // Maybe can be usefull to derive from MemberCore
+ class EnumMember: Attributable {
+ string name;
+ Enum parent;
+ Location loc;
+
+ static string[] attribute_targets = new string [] { "field" };
+
+ public FieldBuilder builder;
+
+ public EnumMember (string name, Enum parent, Location loc, Attributes attrs):
+ base (attrs)
+ {
+ this.name = name;
+ this.parent = parent;
+ this.loc = loc;
+ }
+
+ public override void ApplyAttributeBuilder(Attribute a, CustomAttributeBuilder cb)
+ {
+ if (a.Type == TypeManager.marshal_as_attr_type) {
+ UnmanagedMarshal marshal = a.GetMarshal ();
+ if (marshal != null) {
+ builder.SetMarshal (marshal);
+ return;
+ }
+ Report.Warning_T (-24, a.Location);
+ return;
+ }
+
+ builder.SetCustomAttribute (cb);
+ }
+
+ public override AttributeTargets AttributeTargets {
+ get {
+ return AttributeTargets.Field;
+ }
+ }
+
+ public override bool IsClsCompliaceRequired(DeclSpace ds)
+ {
+ return parent.IsClsCompliaceRequired (ds);
+ }
+
+ public void DefineMember (TypeBuilder tb)
+ {
+ FieldAttributes attr = FieldAttributes.Public | FieldAttributes.Static
+ | FieldAttributes.Literal;
+
+ builder = tb.DefineField (name, tb, attr);
+ }
+
+ public void Emit (EmitContext ec)
+ {
+ if (OptAttributes != null)
+ OptAttributes.Emit (ec, this);
+ }
+
+ // TODO: caching would be usefull
+ public ObsoleteAttribute GetObsoleteAttribute (EmitContext ec)
+ {
+ if (OptAttributes == null)
+ return null;
+
+ Attribute obsolete_attr = OptAttributes.Search (TypeManager.obsolete_attribute_type, ec);
+ if (obsolete_attr == null)
+ return null;
+
+ ObsoleteAttribute obsolete = obsolete_attr.GetObsoleteAttribute (ec.DeclSpace);
+ if (obsolete == null)
+ return null;
+
+ return obsolete;
+ }
+
+ protected override string[] ValidAttributeTargets {
+ get {
+ return attribute_targets;
+ }
+ }
+ }
+
/// <summary>
/// Enumeration container
/// </summary>
ArrayList ordered_enums;
public Expression BaseType;
- public Attributes OptAttributes;
public Type UnderlyingType;
Hashtable in_transit;
ArrayList field_builders;
+
+
+ Hashtable name_to_member;
public const int AllowedModifiers =
Modifiers.NEW |
Modifiers.INTERNAL |
Modifiers.PRIVATE;
- public Enum (TypeContainer parent, Expression type, int mod_flags, string name, Attributes attrs, Location l)
- : base (parent, name, l)
+ public Enum (NamespaceEntry ns, TypeContainer parent, Expression type, int mod_flags,
+ string name, Attributes attrs, Location l)
+ : base (ns, parent, name, attrs, l)
{
this.BaseType = type;
ModFlags = Modifiers.Check (AllowedModifiers, mod_flags,
IsTopLevel ? Modifiers.INTERNAL : Modifiers.PRIVATE, l);
- OptAttributes = attrs;
ordered_enums = new ArrayList ();
member_to_location = new Hashtable ();
member_to_value = new Hashtable ();
in_transit = new Hashtable ();
field_builders = new ArrayList ();
+
+ name_to_member = new Hashtable ();
}
/// <summary>
if (defined_names.Contains (name))
return AdditionResult.NameExists;
+ if (name == "value__") {
+ Report.Error (76, loc, "An item in an enumeration can't have an identifier `value__'");
+ return AdditionResult.Error;
+ }
+
DefineName (name, expr);
ordered_enums.Add (name);
member_to_attributes = new Hashtable ();
member_to_attributes.Add (name, opt_attrs);
+
+ name_to_member.Add (name, new EnumMember (name, this, loc, opt_attrs));
return AdditionResult.Success;
}
attr |= TypeAttributes.Class | TypeAttributes.Sealed;
+ if (!(BaseType is TypeLookupExpression)) {
+ Report.Error (1008, Location,
+ "Type byte, sbyte, short, ushort, int, uint, " +
+ "long, or ulong expected (got: `{0}')", BaseType);
+ return null;
+ }
+
UnderlyingType = ResolveType (BaseType, false, Location);
if (UnderlyingType != TypeManager.int32_type &&
UnderlyingType != TypeManager.short_type &&
UnderlyingType != TypeManager.ushort_type &&
UnderlyingType != TypeManager.byte_type &&
- UnderlyingType != TypeManager.char_type &&
UnderlyingType != TypeManager.sbyte_type) {
Report.Error (1008, Location,
- "Type byte, sbyte, short, char, ushort, int, uint, " +
+ "Type byte, sbyte, short, ushort, int, uint, " +
"long, or ulong expected (got: " +
TypeManager.CSharpName (UnderlyingType) + ")");
return null;
}
if (IsTopLevel) {
- if (TypeManager.NamespaceClash (Name))
+ if (TypeManager.NamespaceClash (Name, Location))
return null;
- ModuleBuilder builder = CodeGen.ModuleBuilder;
+ ModuleBuilder builder = CodeGen.Module.Builder;
TypeBuilder = builder.DefineType (Name, attr, TypeManager.enum_type);
} else {
Type etype = TypeManager.EnumToUnderlying (c.Type);
if (!ImplicitConversionExists (etype, UnderlyingType)){
- Expression.Error_CannotConvertImplicit (
+ Convert.Error_CannotImplicitConversion (
loc, c.Type, UnderlyingType);
return null;
}
}
}
- FieldAttributes attr = FieldAttributes.Public | FieldAttributes.Static
- | FieldAttributes.Literal;
-
- FieldBuilder fb = TypeBuilder.DefineField (name, TypeBuilder, attr);
+ EnumMember em = name_to_member [name] as EnumMember;
+ em.DefineMember (TypeBuilder);
bool fail;
default_value = TypeManager.ChangeType (default_value, UnderlyingType, out fail);
return null;
}
- fb.SetConstant (default_value);
- field_builders.Add (fb);
+ em.builder.SetConstant (default_value);
+ field_builders.Add (em.builder);
member_to_value [name] = default_value;
- if (!TypeManager.RegisterFieldValue (fb, default_value))
+ if (!TypeManager.RegisterFieldValue (em.builder, default_value))
return null;
- //
- // Now apply attributes
- //
- Attribute.ApplyAttributes (ec, fb, fb, (Attributes) member_to_attributes [name]);
-
return default_value;
}
//
if (TypeBuilder == null)
return false;
-
+
EmitContext ec = new EmitContext (this, this, Location, null,
UnderlyingType, ModFlags, false);
object default_value = 0;
- FieldAttributes attr = FieldAttributes.Public | FieldAttributes.Static
- | FieldAttributes.Literal;
-
-
+
foreach (string name in ordered_enums) {
//
// Have we already been defined, thanks to some cross-referencing ?
return false;
}
- FieldBuilder fb = TypeBuilder.DefineField (
- name, TypeBuilder, attr);
+ EnumMember em = name_to_member [name] as EnumMember;
+
+ em.DefineMember (TypeBuilder);
+ FieldBuilder fb = em.builder;
if (default_value == null) {
Report.Error (543, loc, "Enumerator value for '" + name + "' is too large to " +
if (!TypeManager.RegisterFieldValue (fb, default_value))
return false;
-
- //
- // Apply attributes on the enum member
- //
- Attribute.ApplyAttributes (ec, fb, fb, (Attributes) member_to_attributes [name]);
}
default_value = GetNextDefaultValue (default_value);
}
-
- Attribute.ApplyAttributes (ec, TypeBuilder, this, OptAttributes);
+ return true;
+ }
+
+ public override void Emit (TypeContainer tc)
+ {
+ EmitContext ec = new EmitContext (tc, this, Location, null, null, ModFlags, false);
+
+ if (OptAttributes != null) {
+ OptAttributes.Emit (ec, this);
+ }
+
+ foreach (EnumMember em in name_to_member.Values) {
+ em.Emit (ec);
+ }
+
+ base.Emit (tc);
+ }
+
+ protected override bool IsIdentifierClsCompliant (DeclSpace ds)
+ {
+ if (!base.IsIdentifierClsCompliant (ds))
+ return false;
+
+ for (int i = 1; i < ordered_enums.Count; ++i) {
+ string checked_name = ordered_enums [i] as string;
+ for (int ii = 0; ii < ordered_enums.Count; ++ii) {
+ if (ii == i)
+ continue;
+
+ string enumerator_name = ordered_enums [ii] as string;
+ if (String.Compare (checked_name, enumerator_name, true, CultureInfo.InvariantCulture) == 0) {
+ Report.SymbolRelatedToPreviousError ((Location)member_to_location [enumerator_name], enumerator_name);
+ Report.Error_T (3005, (Location)member_to_location [checked_name], GetEnumeratorName (checked_name));
+ break;
+ }
+ }
+ }
+ return true;
+ }
+
+ protected override bool VerifyClsCompliance (DeclSpace ds)
+ {
+ if (!base.VerifyClsCompliance (ds))
+ return false;
+
+ if (!AttributeTester.IsClsCompliant (UnderlyingType)) {
+ Report.Error_T (3009, Location, GetSignatureForError (), TypeManager.CSharpName (UnderlyingType));
+ }
return true;
}
+ /// <summary>
+ /// Returns full enum name.
+ /// </summary>
+ string GetEnumeratorName (string valueName)
+ {
+ return String.Concat (Name, ".", valueName);
+ }
+
//
// IMemberFinder
//
return (Expression) defined_names [name];
}
}
+
+ public override AttributeTargets AttributeTargets {
+ get {
+ return AttributeTargets.Enum;
+ }
+ }
+
+ protected override void VerifyObsoleteAttribute()
+ {
+ // UnderlyingType is never obsolete
+ }
+
+ /// <summary>
+ /// Returns ObsoleteAttribute for both enum type and enum member
+ /// </summary>
+ public ObsoleteAttribute GetObsoleteAttribute (EmitContext ec, string identifier)
+ {
+ if ((caching_flags & Flags.Obsolete_Undetected) == 0 && (caching_flags & Flags.Obsolete) == 0) {
+ return null;
+ }
+
+ ObsoleteAttribute oa = GetObsoleteAttribute (ec.DeclSpace);
+ if (oa != null)
+ return oa;
+
+ EnumMember em = (EnumMember)name_to_member [identifier];
+ oa = em.GetObsoleteAttribute (ec);
+
+ if (oa == null)
+ return null;
+
+ caching_flags |= Flags.Obsolete;
+ return oa;
+ }
}
}
projects / mono.git / blobdiff