Fix warning.
[mono.git] / mcs / gmcs / attribute.cs
index 6d11c840e7c2580b753fe1fc0d7b5f3c6641b11e..edf65832d5f20be31c5379b2c95ac15756e701fe 100644 (file)
@@ -112,13 +112,16 @@ namespace Mono.CSharp {
 
                void Error_InvalidNamedArgument (string name)
                {
-                       Report.Error (617, Location, "`{0}' is not a valid named attribute argument. Named attribute arguments must be fields which are not readonly, static, const or read-write properties which are public and not static",
+                       Report.Error (617, Location, "`{0}' is not a valid named attribute argument. Named attribute arguments " +
+                                     "must be fields which are not readonly, static, const or read-write properties which are " +
+                                     "public and not static",
                              name);
                }
 
                void Error_InvalidNamedAgrumentType (string name)
                {
-                       Report.Error (655, Location, "`{0}' is not a valid named attribute argument because it is not a valid attribute parameter type", name);
+                       Report.Error (655, Location, "`{0}' is not a valid named attribute argument because it is not a valid " +
+                                     "attribute parameter type", name);
                }
 
                static void Error_AttributeArgumentNotValid (string extra, Location loc)
@@ -145,7 +148,8 @@ namespace Mono.CSharp {
                /// </summary>
                public void Error_AttributeEmitError (string inner)
                {
-                       Report.Error (647, Location, "Error during emitting `{0}' attribute. The reason is `{1}'", TypeManager.CSharpName (Type), inner);
+                       Report.Error (647, Location, "Error during emitting `{0}' attribute. The reason is `{1}'",
+                                     TypeManager.CSharpName (Type), inner);
                }
 
                public void Error_InvalidSecurityParent ()
@@ -201,7 +205,8 @@ namespace Mono.CSharp {
                                ResolvePossibleAttributeType (ec, Identifier + "Attribute", true, ref t2_is_attr);
 
                        if (t1_is_attr && t2_is_attr) {
-                               Report.Error (1614, Location, "`{0}' is ambiguous between `{0}' and `{0}Attribute'. Use either `@{0}' or `{0}Attribute'", GetSignatureForError ());
+                               Report.Error (1614, Location, "`{0}' is ambiguous between `{0}' and `{0}Attribute'. " +
+                                             "Use either `@{0}' or `{0}Attribute'", GetSignatureForError ());
                                resolve_error = true;
                                return;
                        }
@@ -273,8 +278,10 @@ namespace Mono.CSharp {
 
                bool IsValidArgumentType (Type t)
                {
+                       if (t.IsArray)
+                               t = t.GetElementType ();
+
                        return TypeManager.IsPrimitiveType (t) ||
-                               (t.IsArray && TypeManager.IsPrimitiveType (t.GetElementType ())) ||
                                TypeManager.IsEnumType (t) ||
                                t == TypeManager.string_type ||
                                t == TypeManager.object_type ||
@@ -302,6 +309,11 @@ namespace Mono.CSharp {
                                return null;
                        }
 
+                       ObsoleteAttribute obsolete_attr = AttributeTester.GetObsoleteAttribute (Type);
+                       if (obsolete_attr != null) {
+                               AttributeTester.Report_ObsoleteMessage (obsolete_attr, TypeManager.CSharpName (Type), Location);
+                       }
+
                        if (Arguments == null) {
                                object o = att_cache [Type];
                                if (o != null) {
@@ -311,8 +323,14 @@ namespace Mono.CSharp {
                        }
 
                        ConstructorInfo ctor = ResolveArguments (ec);
-                       if (ctor == null)
+                       if (ctor == null) {
+                               if (Type is TypeBuilder && 
+                                   TypeManager.LookupDeclSpace (Type).MemberCache == null)
+                                       // The attribute type has been DefineType'd, but not Defined.  Let's not treat it as an error.
+                                       // It'll be resolved again when the attached-to entity is emitted.
+                                       resolve_error = false;
                                return null;
+                       }
 
                        CustomAttributeBuilder cb;
 
@@ -507,6 +525,13 @@ namespace Mono.CSharp {
                                BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly,
                                 Location);
 
+                       if (mg == null) {
+                               // FIXME: Punt the issue for now.
+                               if (Type is TypeBuilder)
+                                       return null;
+                               throw new InternalErrorException ("Type " + Type + " doesn't have constructors");
+                       }
+
                        MethodBase constructor = Invocation.OverloadResolve (
                                ec, (MethodGroupExpr) mg, pos_args, false, Location);
 
@@ -524,14 +549,16 @@ namespace Mono.CSharp {
                                }
                                catch (Exception e) {
                                        Error_AttributeEmitError (e.Message);
+                                       return null;
                                }
                        }
-// TODO: reenable
-//                     if (Type == TypeManager.methodimpl_attr_type &&
-//                             pos_values.Length == 1 && ((Argument)pos_args [0]).Type == TypeManager.short_type &&
-//                             !System.Enum.IsDefined (TypeManager.method_impl_options, pos_values [0])) {
-//                                     Error_AttributeEmitError ("Incorrect argument value.");
-//                     }
+
+                       if (Type == TypeManager.methodimpl_attr_type &&
+                               pos_values.Length == 1 && ((Argument)pos_args [0]).Type == TypeManager.short_type &&
+                               !System.Enum.IsDefined (typeof (MethodImplOptions), pos_values [0])) {
+                                       Error_AttributeEmitError ("Incorrect argument value.");
+                               return null;
+                       }
 
                        //
                        // Now we perform some checks on the positional args as they
@@ -852,7 +879,8 @@ namespace Mono.CSharp {
 
                                        orig_assembly_type = orig_sec_assembly.GetType (Type.FullName, true);
                                        if (orig_assembly_type == null) {
-                                               Report.Warning (-112, 1, Location, "Self-referenced security attribute `{0}' was not found in previous version of assembly");
+                                               Report.Warning (-112, 1, Location, "Self-referenced security attribute `{0}' " +
+                                                               "was not found in previous version of assembly");
                                                return;
                                        }
                                }
@@ -1066,7 +1094,8 @@ namespace Mono.CSharp {
 
                        AttributeUsageAttribute usage_attr = GetAttributeUsage (ec);
                        if ((usage_attr.ValidOn & Target) == 0) {
-                               Report.Error (592, Location, "Attribute `{0}' is not valid on this declaration type. It is valid on `{1}' declarations only",
+                               Report.Error (592, Location, "Attribute `{0}' is not valid on this declaration type. " +
+                                             "It is valid on `{1}' declarations only",
                                        GetSignatureForError (), GetValidTargets ());
                                return;
                        }
@@ -1166,52 +1195,58 @@ namespace Mono.CSharp {
                        MethodInfo set_set_last_error = null;
 
                        if (field_info_arr != null) {
-
+                               
                                for (int i = 0; i < field_info_arr.Length; i++) {
                                        switch (field_info_arr [i].Name) {
-                                               case "BestFitMapping":
-                                                       best_fit_mapping = (bool) field_values_arr [i];
-                                                       best_fit_mapping_set = true;
-                                                       break;
-                                               case "CallingConvention":
-                                                       cc = (CallingConvention) field_values_arr [i];
-                                                       break;
-                                               case "CharSet":
-                                                       charset = (CharSet) field_values_arr [i];
-                                                       break;
-                                               case "EntryPoint":
-                                                       entry_point = (string) field_values_arr [i];
-                                                       break;
-                                               case "ExactSpelling":
-                                                       exact_spelling = (bool) field_values_arr [i];
-                                                       exact_spelling_set = true;
-                                                       break;
-                                               case "PreserveSig":
-                                                       preserve_sig = (bool) field_values_arr [i];
-                                                       break;
-                                               case "SetLastError":
-                                                       set_last_error = (bool) field_values_arr [i];
-                                                       set_last_error_set = true;
-                                                       break;
-                                               case "ThrowOnUnmappableChar":
-                                                       throw_on_unmappable = (bool) field_values_arr [i];
-                                                       throw_on_unmappable_set = true;
-                                                       break;
-                                               default: 
-                                                       throw new InternalErrorException (field_info_arr [i].ToString ());
+                                       case "BestFitMapping":
+                                               best_fit_mapping = (bool) field_values_arr [i];
+                                               best_fit_mapping_set = true;
+                                               break;
+                                       case "CallingConvention":
+                                               cc = (CallingConvention) field_values_arr [i];
+                                               break;
+                                       case "CharSet":
+                                               charset = (CharSet) field_values_arr [i];
+                                               break;
+                                       case "EntryPoint":
+                                               entry_point = (string) field_values_arr [i];
+                                               break;
+                                       case "ExactSpelling":
+                                               exact_spelling = (bool) field_values_arr [i];
+                                               exact_spelling_set = true;
+                                               break;
+                                       case "PreserveSig":
+                                               preserve_sig = (bool) field_values_arr [i];
+                                               break;
+                                       case "SetLastError":
+                                               set_last_error = (bool) field_values_arr [i];
+                                               set_last_error_set = true;
+                                               break;
+                                       case "ThrowOnUnmappableChar":
+                                               throw_on_unmappable = (bool) field_values_arr [i];
+                                               throw_on_unmappable_set = true;
+                                               break;
+                                       default: 
+                                               throw new InternalErrorException (field_info_arr [i].ToString ());
                                        }
                                }
                        }
-
+                       
                        if (throw_on_unmappable_set || best_fit_mapping_set || exact_spelling_set || set_last_error_set) {
-                               set_best_fit = typeof (MethodBuilder).GetMethod ("set_BestFitMapping", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
-                               set_throw_on = typeof (MethodBuilder).GetMethod ("set_ThrowOnUnmappableChar", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
-                               set_exact_spelling = typeof (MethodBuilder).GetMethod ("set_ExactSpelling", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
-                               set_set_last_error = typeof (MethodBuilder).GetMethod ("set_SetLastError", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
-
-                               if ((set_best_fit == null) || (set_throw_on == null) || (set_exact_spelling == null) || (set_set_last_error == null)) {
+                               set_best_fit = typeof (MethodBuilder).
+                                       GetMethod ("set_BestFitMapping", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
+                               set_throw_on = typeof (MethodBuilder).
+                                       GetMethod ("set_ThrowOnUnmappableChar", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
+                               set_exact_spelling = typeof (MethodBuilder).
+                                       GetMethod ("set_ExactSpelling", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
+                               set_set_last_error = typeof (MethodBuilder).
+                                       GetMethod ("set_SetLastError", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
+
+                               if ((set_best_fit == null) || (set_throw_on == null) ||
+                                   (set_exact_spelling == null) || (set_set_last_error == null)) {
                                        Report.Error (-1, Location,
-                                                                 "The ThrowOnUnmappableChar, BestFitMapping, SetLastError, and ExactSpelling attributes can only be emitted when running on the mono runtime.");
+                                                                 "The ThrowOnUnmappableChar, BestFitMapping, SetLastError, " +
+                                                     "and ExactSpelling attributes can only be emitted when running on the mono runtime.");
                                        return null;
                                }
                        }
@@ -1276,7 +1311,7 @@ namespace Mono.CSharp {
        /// For global attributes (assembly, module) we need special handling.
        /// Attributes can be located in the several files
        /// </summary>
-       public class GlobalAttribute: Attribute
+       public class GlobalAttribute : Attribute
        {
                public readonly NamespaceEntry ns;
 
@@ -1376,22 +1411,23 @@ namespace Mono.CSharp {
                                // TODO: we can skip the first item
                                if (((IList) valid_targets).Contains (a.ExplicitTarget)) {
                                        switch (a.ExplicitTarget) {
-                                               case "return": a.Target = AttributeTargets.ReturnValue; continue;
-                                               case "param": a.Target = AttributeTargets.Parameter; continue;
-                                               case "field": a.Target = AttributeTargets.Field; continue;
-                                               case "method": a.Target = AttributeTargets.Method; continue;
-                                               case "property": a.Target = AttributeTargets.Property; continue;
+                                       case "return": a.Target = AttributeTargets.ReturnValue; continue;
+                                       case "param": a.Target = AttributeTargets.Parameter; continue;
+                                       case "field": a.Target = AttributeTargets.Field; continue;
+                                       case "method": a.Target = AttributeTargets.Method; continue;
+                                       case "property": a.Target = AttributeTargets.Property; continue;
                                        }
                                        throw new InternalErrorException ("Unknown explicit target: " + a.ExplicitTarget);
                                }
-
+                               
                                StringBuilder sb = new StringBuilder ();
                                foreach (string s in valid_targets) {
                                        sb.Append (s);
                                        sb.Append (", ");
                                }
                                sb.Remove (sb.Length - 2, 2);
-                               Report.Error (657, a.Location, "`{0}' is not a valid attribute location for this declaration. Valid attribute locations for this declaration are `{1}'", a.ExplicitTarget, sb.ToString ());
+                               Report.Error (657, a.Location, "`{0}' is not a valid attribute location for this declaration. " +
+                                             "Valid attribute locations for this declaration are `{1}'", a.ExplicitTarget, sb.ToString ());
                                return false;
                        }
                        return true;
@@ -1603,7 +1639,8 @@ namespace Mono.CSharp {
                        for (int i = 1; i < modules.Length; ++i) {
                                Module module = modules [i];
                                if (!IsClsCompliant (module)) {
-                                       Report.Error (3013, "Added modules must be marked with the CLSCompliant attribute to match the assembly", module.Name);
+                                       Report.Error (3013, "Added modules must be marked with the CLSCompliant attribute " +
+                                                     "to match the assembly", module.Name);
                                        return;
                                }
                        }
@@ -1675,11 +1712,12 @@ namespace Mono.CSharp {
                                        if (attribute.Length == 1)
                                                result = (ObsoleteAttribute)attribute [0];
                                } else {
-                                       result = type_ds.GetObsoleteAttribute (type_ds);
+                                       result = type_ds.GetObsoleteAttribute ();
                                }
                        }
 
-                       analyzed_types_obsolete.Add (type, result == null ? FALSE : result);
+                       // Cannot use .Add because of corlib bootstrap
+                       analyzed_types_obsolete [type] = result == null ? FALSE : result;
                        return result;
                }
 
@@ -1723,7 +1761,8 @@ namespace Mono.CSharp {
                        if ((mi.DeclaringType is TypeBuilder) || mi.DeclaringType.IsGenericInstance)
                                return null;
 
-                       ObsoleteAttribute oa = System.Attribute.GetCustomAttribute (mi, TypeManager.obsolete_attribute_type, false) as ObsoleteAttribute;
+                       ObsoleteAttribute oa = System.Attribute.GetCustomAttribute (mi, TypeManager.obsolete_attribute_type, false)
+                               as ObsoleteAttribute;
                        analyzed_member_obsolete.Add (mi, oa == null ? FALSE : oa);
                        return oa;
                }
@@ -1755,7 +1794,8 @@ namespace Mono.CSharp {
                        if (mb.Mono_IsInflatedMethod)
                                return false;
                        
-                       ConditionalAttribute[] attrs = mb.GetCustomAttributes (TypeManager.conditional_attribute_type, true) as ConditionalAttribute[];
+                       ConditionalAttribute[] attrs = mb.GetCustomAttributes (TypeManager.conditional_attribute_type, true)
+                               as ConditionalAttribute[];
                        if (attrs.Length == 0) {
                                analyzed_method_excluded.Add (mb, FALSE);
                                return false;