using System.Security;
using System.Security.Permissions;
using System.Text;
+using System.IO;
namespace Mono.CSharp {
/// <summary>
/// Attributes for this type
/// </summary>
- Attributes attributes;
+ protected Attributes attributes;
public Attributable (Attributes attrs)
{
- attributes = attrs;
+ if (attrs != null)
+ OptAttributes = attrs;
}
public Attributes OptAttributes
}
set {
attributes = value;
+
+ if (attributes != null) {
+ attributes.AttachTo (this);
+ }
}
}
/// </summary>
public abstract AttributeTargets AttributeTargets { get; }
- public abstract bool IsClsCompliaceRequired (DeclSpace ds);
+ public abstract IResolveContext ResolveContext { get; }
+
+ public abstract bool IsClsComplianceRequired ();
/// <summary>
/// Gets list of valid attribute targets for explicit target declaration.
public readonly string ExplicitTarget;
public AttributeTargets Target;
+ // TODO: remove this member
public readonly string Name;
public readonly Expression LeftExpr;
public readonly string Identifier;
- public readonly ArrayList Arguments;
+ readonly ArrayList PosArguments;
+ ArrayList NamedArguments;
public readonly Location Location;
public Type Type;
bool resolve_error;
+ readonly bool nameEscaped;
+
+ // It can contain more onwers when the attribute is applied to multiple fiels.
+ Attributable[] owners;
- static AttributeUsageAttribute DefaultUsageAttribute = new AttributeUsageAttribute (AttributeTargets.All);
+ static readonly AttributeUsageAttribute DefaultUsageAttribute = new AttributeUsageAttribute (AttributeTargets.All);
+ static Assembly orig_sec_assembly;
+ public static readonly object[] EmptyObject = new object [0];
// non-null if named args present after Resolve () is called
PropertyInfo [] prop_info_arr;
object [] prop_values_arr;
object [] pos_values;
- static PtrHashtable usage_attr_cache = new PtrHashtable ();
+ static PtrHashtable usage_attr_cache;
+ // Cache for parameter-less attributes
+ static PtrHashtable att_cache;
- public Attribute (string target, Expression left_expr, string identifier, ArrayList args, Location loc)
+ public Attribute (string target, Expression left_expr, string identifier, object[] args, Location loc, bool nameEscaped)
{
LeftExpr = left_expr;
Identifier = identifier;
Name = LeftExpr == null ? identifier : LeftExpr + "." + identifier;
- Arguments = args;
+ if (args != null) {
+ PosArguments = (ArrayList)args [0];
+ NamedArguments = (ArrayList)args [1];
+ }
Location = loc;
ExplicitTarget = target;
+ this.nameEscaped = nameEscaped;
+ }
+
+ static Attribute ()
+ {
+ Reset ();
+ }
+
+ public static void Reset ()
+ {
+ usage_attr_cache = new PtrHashtable ();
+ att_cache = new PtrHashtable ();
+ }
+
+ public void AttachTo (Attributable owner)
+ {
+ if (this.owners == null) {
+ this.owners = new Attributable[1] { owner };
+ return;
+ }
+
+ // When the same attribute is attached to multiple fiels
+ // we use this extra_owners as a list of owners. The attribute
+ // then can be removed because will be emitted when first owner
+ // is served
+ Attributable[] new_array = new Attributable [this.owners.Length + 1];
+ owners.CopyTo (new_array, 0);
+ new_array [owners.Length] = owner;
+ this.owners = new_array;
+ owner.OptAttributes = null;
}
void Error_InvalidNamedArgument (string name)
{
- Report.Error (617, Location, "Invalid attribute argument: '{0}'. Argument must be fields " +
- "fields which are not readonly, static or const; or read-write instance properties.",
- 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",
+ name);
}
void Error_InvalidNamedAgrumentType (string name)
{
- Report.Error (655, Location, "'{0}' is not a valid named attribute argument because its type is not valid attribute 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)
+ public static void Error_AttributeArgumentNotValid (Location loc)
{
Report.Error (182, loc,
"An attribute argument must be a constant expression, typeof " +
- "expression or array creation expression" + extra);
+ "expression or array creation expression");
+ }
+
+ static void Error_TypeParameterInAttribute (Location loc)
+ {
+ Report.Error (
+ -202, loc, "Can not use a type parameter in an attribute");
}
- static void Error_AttributeArgumentNotValid (Location loc)
+ public void Error_MissingGuidAttribute ()
{
- Error_AttributeArgumentNotValid ("", loc);
+ Report.Error (596, Location, "The Guid attribute must be specified with the ComImport attribute");
+ }
+
+ public void Error_MisusedExtensionAttribute ()
+ {
+ Report.Error (1112, Location, "Do not use `{0}' directly. Use parameter modifier `this' instead", GetSignatureForError ());
}
-
/// <summary>
/// This is rather hack. We report many emit attribute error with same error to be compatible with
/// </summary>
public void Error_AttributeEmitError (string inner)
{
- Report.Error (647, Location, "Error emitting '{0}' attribute because '{1}'", Name, inner);
+ Report.Error (647, Location, "Error during emitting `{0}' attribute. The reason is `{1}'",
+ TypeManager.CSharpName (Type), inner);
}
public void Error_InvalidSecurityParent ()
Error_AttributeEmitError ("it is attached to invalid parent");
}
- void Error_AttributeConstructorMismatch ()
- {
- Report.Error (-6, Location,
- "Could not find a constructor for this argument list.");
+ Attributable Owner {
+ get {
+ return owners [0];
+ }
}
-
- protected virtual FullNamedExpression ResolveAsTypeStep (Expression expr, EmitContext ec)
+ protected virtual TypeExpr ResolveAsTypeTerminal (Expression expr, IResolveContext ec, bool silent)
{
- return expr.ResolveAsTypeStep (ec);
+ return expr.ResolveAsTypeTerminal (ec, silent);
}
- void ResolvePossibleAttributeTypes (EmitContext ec, out Type t1, out Type t2)
+ Type ResolvePossibleAttributeType (string name, bool silent, ref bool is_attr)
{
- t1 = null;
- t2 = null;
+ IResolveContext rc = Owner.ResolveContext;
- FullNamedExpression n1 = null;
- FullNamedExpression n2 = null;
- string IdentifierAttribute = Identifier + "Attribute";
+ TypeExpr te;
if (LeftExpr == null) {
- n1 = ResolveAsTypeStep (new SimpleName (Identifier, Location), ec);
-
- // FIXME: Shouldn't do this for quoted attributes: [@A]
- n2 = ResolveAsTypeStep (new SimpleName (IdentifierAttribute, Location), ec);
+ te = ResolveAsTypeTerminal (new SimpleName (name, Location), rc, silent);
} else {
- FullNamedExpression l = ResolveAsTypeStep (LeftExpr, ec);
- if (l == null) {
- Report.Error (246, Location, "Couldn't find namespace or type '{0}'", LeftExpr);
- return;
- }
- n1 = new MemberAccess (l, Identifier, Location).ResolveNamespaceOrType (ec, true);
-
- // FIXME: Shouldn't do this for quoted attributes: [X.@A]
- n2 = new MemberAccess (l, IdentifierAttribute, Location).ResolveNamespaceOrType (ec, true);
+ te = ResolveAsTypeTerminal (new MemberAccess (LeftExpr, name), rc, silent);
}
- TypeExpr te1 = n1 == null ? null : n1 as TypeExpr;
- TypeExpr te2 = n2 == null ? null : n2 as TypeExpr;
+ if (te == null)
+ return null;
- if (te1 != null)
- t1 = te1.ResolveType (ec);
- if (te2 != null)
- t2 = te2.ResolveType (ec);
+ Type t = te.Type;
+ if (TypeManager.IsSubclassOf (t, TypeManager.attribute_type)) {
+ is_attr = true;
+ } else if (!silent) {
+ Report.SymbolRelatedToPreviousError (t);
+ Report.Error (616, Location, "`{0}': is not an attribute class", TypeManager.CSharpName (t));
+ }
+ return t;
}
/// <summary>
- /// Tries to resolve the type of the attribute. Flags an error if it can't, and complain is true.
- /// </summary>
- Type CheckAttributeType (EmitContext ec)
+ /// Tries to resolve the type of the attribute. Flags an error if it can't, and complain is true.
+ /// </summary>
+ void ResolveAttributeType ()
{
- Type t1, t2;
-
- ResolvePossibleAttributeTypes (ec, out t1, out t2);
+ bool t1_is_attr = false;
+ Type t1 = ResolvePossibleAttributeType (Identifier, true, ref t1_is_attr);
- String err0616 = null;
+ bool t2_is_attr = false;
+ Type t2 = nameEscaped ? null :
+ ResolvePossibleAttributeType (Identifier + "Attribute", true, ref t2_is_attr);
- if (t1 != null && ! t1.IsSubclassOf (TypeManager.attribute_type)) {
- t1 = null;
- err0616 = "'{0}' is not an attribute class";
- }
- if (t2 != null && ! t2.IsSubclassOf (TypeManager.attribute_type)) {
- t2 = null;
- err0616 = (err0616 != null)
- ? "Neither '{0}' nor '{0}Attribute' is an attribute class"
- : "'{0}Attribute': is not an attribute class";
+ 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 ());
+ resolve_error = true;
+ return;
}
- if (t1 != null && t2 != null) {
- Report.Error (1614, Location, "'{0}' is ambiguous; use either '@{0}' or '{0}Attribute'", Name);
- return null;
+ if (t1_is_attr) {
+ Type = t1;
+ return;
}
- if (t1 != null)
- return t1;
- if (t2 != null)
- return t2;
- if (err0616 != null) {
- Report.Error (616, Location, err0616, Name);
- return null;
+ if (t2_is_attr) {
+ Type = t2;
+ return;
}
- Report.Error (246, Location,
- "Could not find attribute '{0}' (are you missing a using directive or an assembly reference ?)",
- Name);
+ if (t1 == null && t2 == null)
+ ResolvePossibleAttributeType (Identifier, false, ref t1_is_attr);
+ if (t1 != null)
+ ResolvePossibleAttributeType (Identifier, false, ref t1_is_attr);
+ if (t2 != null)
+ ResolvePossibleAttributeType (Identifier + "Attribute", false, ref t2_is_attr);
resolve_error = true;
- return null;
}
- public virtual Type ResolveType (EmitContext ec)
+ public virtual Type ResolveType ()
{
if (Type == null && !resolve_error)
- Type = CheckAttributeType (ec);
+ ResolveAttributeType ();
return Type;
}
- string GetFullMemberName (string member)
- {
- return Type.FullName + '.' + member;
- }
-
- //
- // Given an expression, if the expression is a valid attribute-argument-expression
- // returns an object that can be used to encode it, or null on failure.
- //
- public static bool GetAttributeArgumentExpression (Expression e, Location loc, Type arg_type, out object result)
+ public string GetSignatureForError ()
{
- if (e is EnumConstant) {
- if (RootContext.StdLib)
- result = ((EnumConstant)e).GetValueAsEnumType ();
- else
- result = ((EnumConstant)e).GetValue ();
+ if (Type != null)
+ return TypeManager.CSharpName (Type);
- return true;
- }
-
- Constant constant = e as Constant;
- if (constant != null) {
- if (e.Type != arg_type) {
- constant = Const.ChangeType (loc, constant, arg_type);
- if (constant == null) {
- result = null;
- Error_AttributeArgumentNotValid (loc);
- return false;
- }
- }
- result = constant.GetValue ();
- return true;
- } else if (e is TypeOf) {
- result = ((TypeOf) e).TypeArg;
- return true;
- } else if (e is ArrayCreation){
- result = ((ArrayCreation) e).EncodeAsAttribute ();
- if (result != null)
- return true;
- } else if (e is EmptyCast) {
- Expression child = ((EmptyCast)e).Child;
- return GetAttributeArgumentExpression (child, loc, child.Type, out result);
- }
-
- result = null;
- Error_AttributeArgumentNotValid (loc);
- return false;
+ return LeftExpr == null ? Identifier : LeftExpr.GetSignatureForError () + "." + Identifier;
}
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 ||
t == TypeManager.type_type;
}
- // Cache for parameter-less attributes
- static PtrHashtable att_cache = new PtrHashtable ();
+ [Conditional ("GMCS_SOURCE")]
+ void ApplyModuleCharSet ()
+ {
+ if (Type != TypeManager.dllimport_type)
+ return;
+
+ if (!CodeGen.Module.HasDefaultCharSet)
+ return;
+
+ const string CharSetEnumMember = "CharSet";
+ if (NamedArguments == null) {
+ NamedArguments = new ArrayList (1);
+ } else {
+ foreach (DictionaryEntry de in NamedArguments) {
+ if ((string)de.Key == CharSetEnumMember)
+ return;
+ }
+ }
+
+ NamedArguments.Add (new DictionaryEntry (CharSetEnumMember,
+ new Argument (Constant.CreateConstant (typeof (CharSet), CodeGen.Module.DefaultCharSet, Location))));
+ }
- public CustomAttributeBuilder Resolve (EmitContext ec)
+ public CustomAttributeBuilder Resolve ()
{
if (resolve_error)
return null;
resolve_error = true;
if (Type == null) {
- Type = CheckAttributeType (ec);
-
+ ResolveAttributeType ();
if (Type == null)
return null;
}
if (Type.IsAbstract) {
- Report.Error (653, Location, "Cannot apply attribute class '{0}' because it is abstract", Name);
+ Report.Error (653, Location, "Cannot apply attribute class `{0}' because it is abstract", GetSignatureForError ());
return null;
}
- if (Arguments == null) {
+ ObsoleteAttribute obsolete_attr = AttributeTester.GetObsoleteAttribute (Type);
+ if (obsolete_attr != null) {
+ AttributeTester.Report_ObsoleteMessage (obsolete_attr, TypeManager.CSharpName (Type), Location);
+ }
+
+ if (PosArguments == null && NamedArguments == null) {
object o = att_cache [Type];
if (o != null) {
resolve_error = false;
}
}
- ConstructorInfo ctor = ResolveArguments (ec);
- CustomAttributeBuilder cb;
+ Attributable owner = Owner;
+ EmitContext ec = new EmitContext (owner.ResolveContext, owner.ResolveContext.DeclContainer, owner.ResolveContext.DeclContainer,
+ Location, null, null, owner.ResolveContext.DeclContainer.ModFlags, false);
+ ec.IsAnonymousMethodAllowed = false;
+
+ ConstructorInfo ctor = ResolveConstructor (ec);
+ 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;
+ }
+ ApplyModuleCharSet ();
+
+ CustomAttributeBuilder cb;
try {
- if (prop_info_arr != null || field_info_arr != null) {
- cb = new CustomAttributeBuilder (
- ctor, pos_values,
- prop_info_arr, prop_values_arr,
- field_info_arr, field_values_arr);
- } else {
- cb = new CustomAttributeBuilder (
- ctor, pos_values);
+ if (NamedArguments == null) {
+ cb = new CustomAttributeBuilder (ctor, pos_values);
if (pos_values.Length == 0)
att_cache.Add (Type, cb);
+
+ resolve_error = false;
+ return cb;
}
+
+ if (!ResolveNamedArguments (ec)) {
+ return null;
+ }
+
+ cb = new CustomAttributeBuilder (ctor, pos_values,
+ prop_info_arr, prop_values_arr,
+ field_info_arr, field_values_arr);
+
+ resolve_error = false;
+ return cb;
}
catch (Exception) {
Error_AttributeArgumentNotValid (Location);
return null;
}
-
- resolve_error = false;
- return cb;
}
- protected virtual ConstructorInfo ResolveArguments (EmitContext ec)
+ protected virtual ConstructorInfo ResolveConstructor (EmitContext ec)
{
- // Now we extract the positional and named arguments
-
- ArrayList pos_args = null;
- ArrayList named_args = null;
- int pos_arg_count = 0;
- int named_arg_count = 0;
-
- if (Arguments != null) {
- pos_args = (ArrayList) Arguments [0];
- if (pos_args != null)
- pos_arg_count = pos_args.Count;
- if (Arguments.Count > 1) {
- named_args = (ArrayList) Arguments [1];
- named_arg_count = named_args.Count;
+ if (PosArguments != null) {
+ for (int i = 0; i < PosArguments.Count; i++) {
+ Argument a = (Argument) PosArguments [i];
+
+ if (!a.Resolve (ec, Location))
+ return null;
}
}
+ Expression mg = Expression.MemberLookup (ec.ContainerType,
+ Type, ".ctor", MemberTypes.Constructor,
+ BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly,
+ Location);
+
+ if (mg == null)
+ return null;
+
+ MethodBase constructor = ((MethodGroupExpr)mg).OverloadResolve (
+ ec, PosArguments, false, Location);
+
+ if (constructor == null)
+ return null;
+
+ ObsoleteAttribute oa = AttributeTester.GetMethodObsoleteAttribute (constructor);
+ if (oa != null && !Owner.ResolveContext.IsInObsoleteScope) {
+ AttributeTester.Report_ObsoleteMessage (oa, mg.GetSignatureForError (), mg.Location);
+ }
+
+ if (PosArguments == null) {
+ pos_values = EmptyObject;
+ return (ConstructorInfo)constructor;
+ }
+
+ ParameterData pd = TypeManager.GetParameterData (constructor);
+
+ int pos_arg_count = PosArguments.Count;
+ int last_real_param = pd.Count;
+
pos_values = new object [pos_arg_count];
- //
- // First process positional arguments
- //
+ if (pd.HasParams) {
+ // When the params is not filled we need to put one
+ if (last_real_param > pos_arg_count) {
+ object [] new_pos_values = new object [pos_arg_count + 1];
+ pos_values.CopyTo (new_pos_values, 0);
+ new_pos_values [pos_arg_count] = new object [] {} ;
+ pos_values = new_pos_values;
+ }
+ last_real_param--;
+ }
- int i;
- for (i = 0; i < pos_arg_count; i++) {
- Argument a = (Argument) pos_args [i];
- Expression e;
+ for (int j = 0; j < pos_arg_count; ++j) {
+ Argument a = (Argument) PosArguments [j];
- if (!a.Resolve (ec, Location))
+ if (!a.Expr.GetAttributableValue (a.Type, out pos_values [j]))
return null;
+
+ if (j < last_real_param)
+ continue;
+
+ if (j == last_real_param) {
+ object [] array = new object [pos_arg_count - last_real_param];
+ array [0] = pos_values [j];
+ pos_values [j] = array;
+ continue;
+ }
- e = a.Expr;
+ object [] params_array = (object []) pos_values [last_real_param];
+ params_array [j - last_real_param] = pos_values [j];
+ }
- object val;
- if (!GetAttributeArgumentExpression (e, Location, a.Type, out val))
+ // Adjust the size of the pos_values if it had params
+ if (last_real_param != pos_arg_count) {
+ object [] new_pos_values = new object [last_real_param + 1];
+ Array.Copy (pos_values, new_pos_values, last_real_param + 1);
+ pos_values = new_pos_values;
+ }
+
+ // Here we do the checks which should be done by corlib or by runtime.
+ // However Zoltan doesn't like it and every Mono compiler has to do it again.
+
+ if (Type == TypeManager.guid_attr_type) {
+ try {
+ new Guid ((string)pos_values [0]);
+ }
+ catch (Exception e) {
+ Error_AttributeEmitError (e.Message);
return null;
+ }
+ }
- pos_values [i] = val;
+ if (Type == TypeManager.attribute_usage_type && (int)pos_values [0] == 0) {
+ Report.Error (591, Location, "Invalid value for argument to `System.AttributeUsage' attribute");
+ return null;
+ }
- if (i == 0 && Type == TypeManager.attribute_usage_type && (int)val == 0) {
- Report.Error (591, Location, "Invalid value for argument to 'System.AttributeUsage' attribute");
+ if (Type == TypeManager.indexer_name_type || Type == TypeManager.conditional_attribute_type) {
+ if (!Tokenizer.IsValidIdentifier ((string)pos_values [0])) {
+ Report.Error (633, ((Argument)PosArguments[0]).Expr.Location,
+ "The argument to the `{0}' attribute must be a valid identifier", GetSignatureForError ());
return null;
}
}
- //
- // Now process named arguments
- //
+ if (Type == TypeManager.methodimpl_attr_type && pos_values.Length == 1 &&
+ pd.ParameterType (0) == TypeManager.short_type &&
+ !System.Enum.IsDefined (typeof (MethodImplOptions), pos_values [0].ToString ())) {
+ Error_AttributeEmitError ("Incorrect argument value.");
+ return null;
+ }
- ArrayList field_infos = null;
- ArrayList prop_infos = null;
- ArrayList field_values = null;
- ArrayList prop_values = null;
- Hashtable seen_names = null;
+ return (ConstructorInfo)constructor;
+ }
- if (named_arg_count > 0) {
- field_infos = new ArrayList ();
- prop_infos = new ArrayList ();
- field_values = new ArrayList ();
- prop_values = new ArrayList ();
+ protected virtual bool ResolveNamedArguments (EmitContext ec)
+ {
+ int named_arg_count = NamedArguments.Count;
- seen_names = new Hashtable();
- }
+ ArrayList field_infos = new ArrayList (named_arg_count);
+ ArrayList prop_infos = new ArrayList (named_arg_count);
+ ArrayList field_values = new ArrayList (named_arg_count);
+ ArrayList prop_values = new ArrayList (named_arg_count);
+
+ ArrayList seen_names = new ArrayList(named_arg_count);
- for (i = 0; i < named_arg_count; i++) {
- DictionaryEntry de = (DictionaryEntry) named_args [i];
+ foreach (DictionaryEntry de in NamedArguments) {
string member_name = (string) de.Key;
- Argument a = (Argument) de.Value;
- Expression e;
if (seen_names.Contains(member_name)) {
Report.Error(643, Location, "'" + member_name + "' duplicate named attribute argument");
- return null;
+ return false;
}
- seen_names.Add(member_name, 1);
-
+ seen_names.Add(member_name);
+
+ Argument a = (Argument) de.Value;
if (!a.Resolve (ec, Location))
- return null;
+ return false;
Expression member = Expression.MemberLookup (
- ec, Type, member_name,
+ ec.ContainerType, Type, member_name,
MemberTypes.Field | MemberTypes.Property,
BindingFlags.Public | BindingFlags.Instance,
Location);
if (member == null) {
- member = Expression.MemberLookup (ec, Type, member_name,
+ member = Expression.MemberLookup (ec.ContainerType, Type, member_name,
MemberTypes.Field | MemberTypes.Property, BindingFlags.NonPublic | BindingFlags.Instance,
Location);
if (member != null) {
- Report.Error (122, Location, "'{0}' is inaccessible due to its protection level", GetFullMemberName (member_name));
- return null;
+ Report.SymbolRelatedToPreviousError (member.Type);
+ Expression.ErrorIsInaccesible (Location, member.GetSignatureForError ());
+ return false;
}
}
if (member == null){
- Report.Error (117, Location, "Attribute `{0}' does not contain a definition for `{1}'",
- Type, member_name);
- return null;
+ Expression.Error_TypeDoesNotContainDefinition (Location, Type, member_name);
+ return false;
}
if (!(member is PropertyExpr || member is FieldExpr)) {
Error_InvalidNamedArgument (member_name);
- return null;
+ return false;
+ }
+
+ if (a.Expr is TypeParameterExpr){
+ Error_TypeParameterInAttribute (Location);
+ return false;
}
- e = a.Expr;
+ ObsoleteAttribute obsolete_attr;
+
if (member is PropertyExpr) {
- PropertyExpr pe = (PropertyExpr) member;
- PropertyInfo pi = pe.PropertyInfo;
+ PropertyInfo pi = ((PropertyExpr) member).PropertyInfo;
if (!pi.CanWrite || !pi.CanRead) {
Report.SymbolRelatedToPreviousError (pi);
Error_InvalidNamedArgument (member_name);
- return null;
+ return false;
}
if (!IsValidArgumentType (pi.PropertyType)) {
Report.SymbolRelatedToPreviousError (pi);
Error_InvalidNamedAgrumentType (member_name);
- return null;
+ return false;
}
object value;
- if (!GetAttributeArgumentExpression (e, Location, pi.PropertyType, out value))
- return null;
+ if (!a.Expr.GetAttributableValue (pi.PropertyType, out value))
+ return false;
+
+ PropertyBase pb = TypeManager.GetProperty (pi);
+ if (pb != null)
+ obsolete_attr = pb.GetObsoleteAttribute ();
+ else
+ obsolete_attr = AttributeTester.GetMemberObsoleteAttribute (pi);
prop_values.Add (value);
prop_infos.Add (pi);
- } else if (member is FieldExpr) {
- FieldExpr fe = (FieldExpr) member;
- FieldInfo fi = fe.FieldInfo;
+ } else {
+ FieldInfo fi = ((FieldExpr) member).FieldInfo;
if (fi.IsInitOnly) {
Error_InvalidNamedArgument (member_name);
- return null;
+ return false;
}
if (!IsValidArgumentType (fi.FieldType)) {
Report.SymbolRelatedToPreviousError (fi);
Error_InvalidNamedAgrumentType (member_name);
- return null;
+ return false;
}
object value;
- if (!GetAttributeArgumentExpression (e, Location, fi.FieldType, out value))
- return null;
+ if (!a.Expr.GetAttributableValue (fi.FieldType, out value))
+ return false;
+
+ FieldBase fb = TypeManager.GetField (fi);
+ if (fb != null)
+ obsolete_attr = fb.GetObsoleteAttribute ();
+ else
+ obsolete_attr = AttributeTester.GetMemberObsoleteAttribute (fi);
field_values.Add (value);
field_infos.Add (fi);
}
- }
- Expression mg = Expression.MemberLookup (
- ec, Type, ".ctor", MemberTypes.Constructor,
- BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly,
- Location);
-
- if (mg == null) {
- Error_AttributeConstructorMismatch ();
- return null;
+ if (obsolete_attr != null && !Owner.ResolveContext.IsInObsoleteScope)
+ AttributeTester.Report_ObsoleteMessage (obsolete_attr, member.GetSignatureForError (), member.Location);
}
- MethodBase constructor = Invocation.OverloadResolve (
- ec, (MethodGroupExpr) mg, pos_args, false, Location);
+ prop_info_arr = new PropertyInfo [prop_infos.Count];
+ field_info_arr = new FieldInfo [field_infos.Count];
+ field_values_arr = new object [field_values.Count];
+ prop_values_arr = new object [prop_values.Count];
- if (constructor == null) {
- return null;
- }
+ field_infos.CopyTo (field_info_arr, 0);
+ field_values.CopyTo (field_values_arr, 0);
- //
- // Now we perform some checks on the positional args as they
- // cannot be null for a constructor which expects a parameter
- // of type object
- //
+ prop_values.CopyTo (prop_values_arr, 0);
+ prop_infos.CopyTo (prop_info_arr, 0);
- ParameterData pd = TypeManager.GetParameterData (constructor);
-
- int last_real_param = pd.Count;
- if (pd.HasParams) {
- // When the params is not filled we need to put one
- if (last_real_param > pos_arg_count) {
- object [] new_pos_values = new object [pos_arg_count + 1];
- pos_values.CopyTo (new_pos_values, 0);
- new_pos_values [pos_arg_count] = new object [] {} ;
- pos_values = new_pos_values;
- }
- last_real_param--;
- }
-
- for (int j = 0; j < pos_arg_count; ++j) {
- Argument a = (Argument) pos_args [j];
-
- if (a.Expr is NullLiteral && pd.ParameterType (j) == TypeManager.object_type) {
- Error_AttributeArgumentNotValid (Location);
- return null;
- }
-
- object value = pos_values [j];
- if (value != null && a.Type != value.GetType () && TypeManager.IsPrimitiveType (a.Type)) {
- bool fail;
- pos_values [j] = TypeManager.ChangeType (value, a.Type, out fail);
- if (fail) {
- // TODO: Can failed ?
- throw new NotImplementedException ();
- }
- }
-
- if (j < last_real_param)
- continue;
-
- if (j == last_real_param) {
- object [] array = new object [pos_arg_count - last_real_param];
- array [0] = pos_values [j];
- pos_values [j] = array;
- continue;
- }
-
- object [] params_array = (object []) pos_values [last_real_param];
- params_array [j - last_real_param] = pos_values [j];
- }
-
- // Adjust the size of the pos_values if it had params
- if (last_real_param != pos_arg_count) {
- object [] new_pos_values = new object [last_real_param + 1];
- Array.Copy (pos_values, new_pos_values, last_real_param + 1);
- pos_values = new_pos_values;
- }
-
- if (named_arg_count > 0) {
- prop_info_arr = new PropertyInfo [prop_infos.Count];
- field_info_arr = new FieldInfo [field_infos.Count];
- field_values_arr = new object [field_values.Count];
- prop_values_arr = new object [prop_values.Count];
-
- field_infos.CopyTo (field_info_arr, 0);
- field_values.CopyTo (field_values_arr, 0);
-
- prop_values.CopyTo (prop_values_arr, 0);
- prop_infos.CopyTo (prop_info_arr, 0);
- }
-
- return (ConstructorInfo) constructor;
+ return true;
}
/// <summary>
public string GetValidTargets ()
{
StringBuilder sb = new StringBuilder ();
- AttributeTargets targets = GetAttributeUsage (null).ValidOn;
+ AttributeTargets targets = GetAttributeUsage ().ValidOn;
if ((targets & AttributeTargets.Assembly) != 0)
- sb.Append ("'assembly' ");
+ sb.Append ("assembly, ");
- if ((targets & AttributeTargets.Class) != 0)
- sb.Append ("'class' ");
+ if ((targets & AttributeTargets.Module) != 0)
+ sb.Append ("module, ");
- if ((targets & AttributeTargets.Constructor) != 0)
- sb.Append ("'constructor' ");
+ if ((targets & AttributeTargets.Class) != 0)
+ sb.Append ("class, ");
- if ((targets & AttributeTargets.Delegate) != 0)
- sb.Append ("'delegate' ");
+ if ((targets & AttributeTargets.Struct) != 0)
+ sb.Append ("struct, ");
if ((targets & AttributeTargets.Enum) != 0)
- sb.Append ("'enum' ");
+ sb.Append ("enum, ");
- if ((targets & AttributeTargets.Event) != 0)
- sb.Append ("'event' ");
+ if ((targets & AttributeTargets.Constructor) != 0)
+ sb.Append ("constructor, ");
- if ((targets & AttributeTargets.Field) != 0)
- sb.Append ("'field' ");
+ if ((targets & AttributeTargets.Method) != 0)
+ sb.Append ("method, ");
- if ((targets & AttributeTargets.Interface) != 0)
- sb.Append ("'interface' ");
+ if ((targets & AttributeTargets.Property) != 0)
+ sb.Append ("property, indexer, ");
- if ((targets & AttributeTargets.Method) != 0)
- sb.Append ("'method' ");
+ if ((targets & AttributeTargets.Field) != 0)
+ sb.Append ("field, ");
- if ((targets & AttributeTargets.Module) != 0)
- sb.Append ("'module' ");
+ if ((targets & AttributeTargets.Event) != 0)
+ sb.Append ("event, ");
+
+ if ((targets & AttributeTargets.Interface) != 0)
+ sb.Append ("interface, ");
if ((targets & AttributeTargets.Parameter) != 0)
- sb.Append ("'parameter' ");
+ sb.Append ("parameter, ");
- if ((targets & AttributeTargets.Property) != 0)
- sb.Append ("'property' ");
+ if ((targets & AttributeTargets.Delegate) != 0)
+ sb.Append ("delegate, ");
if ((targets & AttributeTargets.ReturnValue) != 0)
- sb.Append ("'return' ");
-
- if ((targets & AttributeTargets.Struct) != 0)
- sb.Append ("'struct' ");
-
- return sb.ToString ();
+ sb.Append ("return, ");
+#if NET_2_0
+ if ((targets & AttributeTargets.GenericParameter) != 0)
+ sb.Append ("type parameter, ");
+#endif
+ return sb.Remove (sb.Length - 2, 2).ToString ();
}
/// <summary>
/// Returns AttributeUsage attribute for this type
/// </summary>
- AttributeUsageAttribute GetAttributeUsage (EmitContext ec)
+ AttributeUsageAttribute GetAttributeUsage ()
{
AttributeUsageAttribute ua = usage_attr_cache [Type] as AttributeUsageAttribute;
if (ua != null)
Attribute a = attr_class.OptAttributes == null
? null
- : attr_class.OptAttributes.Search (TypeManager.attribute_usage_type, attr_class.EmitContext);
+ : attr_class.OptAttributes.Search (TypeManager.attribute_usage_type);
ua = a == null
? DefaultUsageAttribute
- : a.GetAttributeUsageAttribute (attr_class.EmitContext);
+ : a.GetAttributeUsageAttribute ();
usage_attr_cache.Add (Type, ua);
return ua;
}
- AttributeUsageAttribute GetAttributeUsageAttribute (EmitContext ec)
+ AttributeUsageAttribute GetAttributeUsageAttribute ()
{
if (pos_values == null)
// TODO: It is not neccessary to call whole Resolve (ApplyAttribute does it now) we need only ctor args.
// But because a lot of attribute class code must be rewritten will be better to wait...
- Resolve (ec);
+ Resolve ();
if (resolve_error)
return DefaultUsageAttribute;
/// <summary>
/// Returns custom name of indexer
/// </summary>
- public string GetIndexerAttributeValue (EmitContext ec)
+ public string GetIndexerAttributeValue ()
{
if (pos_values == null)
// TODO: It is not neccessary to call whole Resolve (ApplyAttribute does it now) we need only ctor args.
// But because a lot of attribute class code must be rewritten will be better to wait...
- Resolve (ec);
+ Resolve ();
if (resolve_error)
return null;
/// <summary>
/// Returns condition of ConditionalAttribute
/// </summary>
- public string GetConditionalAttributeValue (EmitContext ec)
+ public string GetConditionalAttributeValue ()
{
if (pos_values == null)
// TODO: It is not neccessary to call whole Resolve (ApplyAttribute does it now) we need only ctor args.
// But because a lot of attribute class code must be rewritten will be better to wait...
- Resolve (ec);
+ Resolve ();
if (resolve_error)
return null;
/// <summary>
/// Creates the instance of ObsoleteAttribute from this attribute instance
/// </summary>
- public ObsoleteAttribute GetObsoleteAttribute (EmitContext ec)
+ public ObsoleteAttribute GetObsoleteAttribute ()
{
if (pos_values == null)
// TODO: It is not neccessary to call whole Resolve (ApplyAttribute does it now) we need only ctor args.
// But because a lot of attribute class code must be rewritten will be better to wait...
- Resolve (ec);
+ Resolve ();
if (resolve_error)
return null;
/// before ApplyAttribute. We need to resolve the arguments.
/// This situation occurs when class deps is differs from Emit order.
/// </summary>
- public bool GetClsCompliantAttributeValue (EmitContext ec)
+ public bool GetClsCompliantAttributeValue ()
{
if (pos_values == null)
// TODO: It is not neccessary to call whole Resolve (ApplyAttribute does it now) we need only ctor args.
// But because a lot of attribute class code must be rewritten will be better to wait...
- Resolve (ec);
+ Resolve ();
if (resolve_error)
return false;
return (bool)pos_values [0];
}
+ public Type GetCoClassAttributeValue ()
+ {
+ if (pos_values == null)
+ Resolve ();
+
+ if (resolve_error)
+ return null;
+
+ return (Type)pos_values [0];
+ }
+
+ public bool CheckTarget ()
+ {
+ string[] valid_targets = Owner.ValidAttributeTargets;
+ if (ExplicitTarget == null || ExplicitTarget == valid_targets [0]) {
+ Target = Owner.AttributeTargets;
+ return true;
+ }
+
+ // TODO: we can skip the first item
+ if (((IList) valid_targets).Contains (ExplicitTarget)) {
+ switch (ExplicitTarget) {
+ case "return": Target = AttributeTargets.ReturnValue; return true;
+ case "param": Target = AttributeTargets.Parameter; return true;
+ case "field": Target = AttributeTargets.Field; return true;
+ case "method": Target = AttributeTargets.Method; return true;
+ case "property": Target = AttributeTargets.Property; return true;
+ }
+ throw new InternalErrorException ("Unknown explicit target: " + 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, Location, "`{0}' is not a valid attribute location for this declaration. " +
+ "Valid attribute locations for this declaration are `{1}'", ExplicitTarget, sb.ToString ());
+ return false;
+ }
+
/// <summary>
/// Tests permitted SecurityAction for assembly or other types
/// </summary>
public bool CheckSecurityActionValidity (bool for_assembly)
{
- SecurityAction action = GetSecurityActionValue ();
-
- if ((action == SecurityAction.RequestMinimum || action == SecurityAction.RequestOptional || action == SecurityAction.RequestRefuse) && for_assembly)
- return true;
+ SecurityAction action = GetSecurityActionValue ();
- if (!for_assembly) {
- if (action < SecurityAction.Demand || action > SecurityAction.InheritanceDemand) {
- Error_AttributeEmitError ("SecurityAction is out of range");
- return false;
- }
+ switch (action) {
+ case SecurityAction.Demand:
+ case SecurityAction.Assert:
+ case SecurityAction.Deny:
+ case SecurityAction.PermitOnly:
+ case SecurityAction.LinkDemand:
+ case SecurityAction.InheritanceDemand:
+ if (!for_assembly)
+ return true;
+ break;
- if ((action != SecurityAction.RequestMinimum && action != SecurityAction.RequestOptional && action != SecurityAction.RequestRefuse) && !for_assembly)
+ case SecurityAction.RequestMinimum:
+ case SecurityAction.RequestOptional:
+ case SecurityAction.RequestRefuse:
+ if (for_assembly)
return true;
+ break;
+
+ default:
+ Error_AttributeEmitError ("SecurityAction is out of range");
+ return false;
}
- Error_AttributeEmitError (String.Concat ("SecurityAction '", action, "' is not valid for this declaration"));
+ Error_AttributeEmitError (String.Concat ("SecurityAction `", action, "' is not valid for this declaration"));
return false;
}
/// <returns></returns>
public void ExtractSecurityPermissionSet (ListDictionary permissions)
{
- if (TypeManager.LookupDeclSpace (Type) != null && RootContext.StdLib) {
- Error_AttributeEmitError ("security custom attributes can not be referenced from defining assembly");
- return;
+ Type orig_assembly_type = null;
+
+ if (TypeManager.LookupDeclSpace (Type) != null) {
+ if (!RootContext.StdLib) {
+ orig_assembly_type = Type.GetType (Type.FullName);
+ } else {
+ string orig_version_path = Environment.GetEnvironmentVariable ("__SECURITY_BOOTSTRAP_DB");
+ if (orig_version_path == null) {
+ Error_AttributeEmitError ("security custom attributes can not be referenced from defining assembly");
+ return;
+ }
+
+ if (orig_sec_assembly == null) {
+ string file = Path.Combine (orig_version_path, Driver.OutputFile);
+ orig_sec_assembly = Assembly.LoadFile (file);
+ }
+
+ 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");
+ return;
+ }
+ }
}
SecurityAttribute sa;
- // For all assemblies except corlib we can avoid all hacks
- if (RootContext.StdLib) {
+ // For all non-selfreferencing security attributes we can avoid all hacks
+ if (orig_assembly_type == null) {
sa = (SecurityAttribute) Activator.CreateInstance (Type, pos_values);
if (prop_info_arr != null) {
}
}
} else {
- Type temp_type = Type.GetType (Type.FullName);
- // HACK: All mscorlib attributes have same ctor syntax
- sa = (SecurityAttribute) Activator.CreateInstance (temp_type, new object[] { GetSecurityActionValue () } );
+ // HACK: All security attributes have same ctor syntax
+ sa = (SecurityAttribute) Activator.CreateInstance (orig_assembly_type, new object[] { GetSecurityActionValue () } );
- // All types are from newly created corlib but for invocation with old we need to convert them
+ // All types are from newly created assembly but for invocation with old one we need to convert them
if (prop_info_arr != null) {
for (int i = 0; i < prop_info_arr.Length; ++i) {
PropertyInfo emited_pi = prop_info_arr [i];
- PropertyInfo pi = temp_type.GetProperty (emited_pi.Name, emited_pi.PropertyType);
+ PropertyInfo pi = orig_assembly_type.GetProperty (emited_pi.Name, emited_pi.PropertyType);
object old_instance = pi.PropertyType.IsEnum ?
System.Enum.ToObject (pi.PropertyType, prop_values_arr [i]) :
ps.AddPermission (perm);
}
- object GetValue (object value)
+ static object GetValue (object value)
{
if (value is EnumConstant)
return ((EnumConstant) value).GetValue ();
return value;
}
- object GetPropertyValue (string name)
+ public object GetPropertyValue (string name)
{
if (prop_info_arr == null)
return null;
return null;
}
+ //
+ // Theoretically, we can get rid of this, since FieldBuilder.SetCustomAttribute()
+ // and ParameterBuilder.SetCustomAttribute() are supposed to handle this attribute.
+ // However, we can't, since it appears that the .NET 1.1 SRE hangs when given a MarshalAsAttribute.
+ //
public UnmanagedMarshal GetMarshal (Attributable attr)
{
- UnmanagedType UnmanagedType = (UnmanagedType)System.Enum.Parse (typeof (UnmanagedType), pos_values [0].ToString ());
+ UnmanagedType UnmanagedType;
+ if (!RootContext.StdLib || pos_values [0].GetType () != typeof (UnmanagedType))
+ UnmanagedType = (UnmanagedType) System.Enum.ToObject (typeof (UnmanagedType), pos_values [0]);
+ else
+ UnmanagedType = (UnmanagedType) pos_values [0];
object value = GetFieldValue ("SizeParamIndex");
if (value != null && UnmanagedType != UnmanagedType.LPArray) {
}
object o = GetFieldValue ("ArraySubType");
- UnmanagedType array_sub_type = o == null ? UnmanagedType.I4 : (UnmanagedType) o;
-
+ UnmanagedType array_sub_type = o == null ? (UnmanagedType) 0x50 /* NATIVE_MAX */ : (UnmanagedType) o;
+
switch (UnmanagedType) {
case UnmanagedType.CustomMarshaler: {
MethodInfo define_custom = typeof (UnmanagedMarshal).GetMethod ("DefineCustom",
- BindingFlags.Static | BindingFlags.Public);
+ BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
if (define_custom == null) {
Report.RuntimeMissingSupport (Location, "set marshal info");
return null;
object size_param_index = GetFieldValue ("SizeParamIndex");
if ((size_const != null) || (size_param_index != null)) {
- MethodInfo define_array = typeof (UnmanagedMarshal).GetMethod ("DefineLPArrayInternal", BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
+ MethodInfo define_array = typeof (UnmanagedMarshal).GetMethod ("DefineLPArrayInternal",
+ BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
if (define_array == null) {
Report.RuntimeMissingSupport (Location, "set marshal info");
return null;
}
case UnmanagedType.SafeArray:
return UnmanagedMarshal.DefineSafeArray (array_sub_type);
-
+
case UnmanagedType.ByValArray:
- FieldMember fm = attr as FieldMember;
+ FieldBase fm = attr as FieldBase;
if (fm == null) {
Error_AttributeEmitError ("Specified unmanaged type is only valid on fields");
return null;
}
return UnmanagedMarshal.DefineByValArray ((int) GetFieldValue ("SizeConst"));
-
+
case UnmanagedType.ByValTStr:
return UnmanagedMarshal.DefineByValTStr ((int) GetFieldValue ("SizeConst"));
-
+
default:
return UnmanagedMarshal.DefineUnmanagedMarshal (UnmanagedType);
}
return (CharSet)System.Enum.Parse (typeof (CharSet), pos_values [0].ToString ());
}
- public MethodImplOptions GetMethodImplOptions ()
- {
- return (MethodImplOptions)System.Enum.Parse (typeof (MethodImplOptions), pos_values [0].ToString ());
+ public bool IsInternalMethodImplAttribute {
+ get {
+ if (Type != TypeManager.methodimpl_attr_type)
+ return false;
+
+ MethodImplOptions options;
+ if (pos_values[0].GetType () != typeof (MethodImplOptions))
+ options = (MethodImplOptions)System.Enum.ToObject (typeof (MethodImplOptions), pos_values[0]);
+ else
+ options = (MethodImplOptions)pos_values[0];
+
+ return (options & MethodImplOptions.InternalCall) != 0;
+ }
}
public LayoutKind GetLayoutKindValue ()
{
- return (LayoutKind)System.Enum.Parse (typeof (LayoutKind), pos_values [0].ToString ());
+ if (!RootContext.StdLib || pos_values [0].GetType () != typeof (LayoutKind))
+ return (LayoutKind)System.Enum.ToObject (typeof (LayoutKind), pos_values [0]);
+
+ return (LayoutKind)pos_values [0];
+ }
+
+ public object GetParameterDefaultValue ()
+ {
+ return pos_values [0];
+ }
+
+ public override bool Equals (object obj)
+ {
+ Attribute a = obj as Attribute;
+ if (a == null)
+ return false;
+
+ return Type == a.Type && Target == a.Target;
+ }
+
+ public override int GetHashCode ()
+ {
+ return base.GetHashCode ();
}
/// <summary>
/// Emit attribute for Attributable symbol
/// </summary>
- public void Emit (EmitContext ec, Attributable ias, ListDictionary emitted_attr)
+ public void Emit (ListDictionary allEmitted)
{
- CustomAttributeBuilder cb = Resolve (ec);
+ CustomAttributeBuilder cb = Resolve ();
if (cb == null)
return;
- AttributeUsageAttribute usage_attr = GetAttributeUsage (ec);
+ AttributeUsageAttribute usage_attr = GetAttributeUsage ();
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.", Name, GetValidTargets ());
+ Report.Error (592, Location, "The attribute `{0}' is not valid on this declaration type. " +
+ "It is valid on `{1}' declarations only",
+ GetSignatureForError (), GetValidTargets ());
return;
}
try {
- ias.ApplyAttributeBuilder (this, cb);
+ foreach (Attributable owner in owners)
+ owner.ApplyAttributeBuilder (this, cb);
}
catch (Exception e) {
Error_AttributeEmitError (e.Message);
return;
}
- if (!usage_attr.AllowMultiple) {
- ArrayList emitted_targets = (ArrayList)emitted_attr [Type];
- if (emitted_targets == null) {
- emitted_targets = new ArrayList ();
- emitted_attr.Add (Type, emitted_targets);
- } else if (emitted_targets.Contains (Target)) {
- Report.Error (579, Location, "Duplicate '" + Name + "' attribute");
- return;
+ if (!usage_attr.AllowMultiple && allEmitted != null) {
+ if (allEmitted.Contains (this)) {
+ ArrayList a = allEmitted [this] as ArrayList;
+ if (a == null) {
+ a = new ArrayList (2);
+ allEmitted [this] = a;
+ }
+ a.Add (this);
+ } else {
+ allEmitted.Add (this, null);
}
- emitted_targets.Add (Target);
}
if (!RootContext.VerifyClsCompliance)
return;
// Here we are testing attribute arguments for array usage (error 3016)
- if (ias.IsClsCompliaceRequired (ec.DeclSpace)) {
- if (Arguments == null)
- return;
-
- ArrayList pos_args = (ArrayList) Arguments [0];
- if (pos_args != null) {
- foreach (Argument arg in pos_args) {
+ if (Owner.IsClsComplianceRequired ()) {
+ if (PosArguments != null) {
+ foreach (Argument arg in PosArguments) {
// Type is undefined (was error 246)
if (arg.Type == null)
return;
}
}
- if (Arguments.Count < 2)
+ if (NamedArguments == null)
return;
- ArrayList named_args = (ArrayList) Arguments [1];
- foreach (DictionaryEntry de in named_args) {
+ foreach (DictionaryEntry de in NamedArguments) {
Argument arg = (Argument) de.Value;
// Type is undefined (was error 246)
}
}
}
-
- public MethodBuilder DefinePInvokeMethod (EmitContext ec, TypeBuilder builder, string name,
- MethodAttributes flags, Type ret_type, Type [] param_types)
- {
- if (pos_values == null)
- // TODO: It is not neccessary to call whole Resolve (ApplyAttribute does it now) we need only ctor args.
- // But because a lot of attribute class code must be rewritten will be better to wait...
- Resolve (ec);
-
- if (resolve_error)
- return null;
-
- string dll_name = (string)pos_values [0];
-
- // Default settings
- CallingConvention cc = CallingConvention.Winapi;
- CharSet charset = CodeGen.Module.DefaultCharSet;
- bool preserve_sig = true;
- string entry_point = name;
- bool best_fit_mapping = false;
- bool throw_on_unmappable = false;
-
- bool best_fit_mapping_set = false;
- bool throw_on_unmappable_set = false;
-
- MethodInfo set_best_fit = null;
- MethodInfo set_throw_on = null;
-
- if (field_info_arr != null) {
- int char_set_extra = 0;
-
- 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":
- char_set_extra |= 0x01;
- break;
- case "PreserveSig":
- preserve_sig = (bool) field_values_arr [i];
- break;
- case "SetLastError":
- char_set_extra |= 0x40;
- 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 ());
- }
- }
- charset |= (CharSet)char_set_extra;
- }
-
- if (throw_on_unmappable_set || best_fit_mapping_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);
-
- if ((set_best_fit == null) || (set_throw_on == null)) {
- Report.Error (-1, Location,
- "The ThrowOnUnmappableChar and BestFitMapping attributes can only be emitted when running on the mono runtime.");
- return null;
- }
- }
-
- try {
- MethodBuilder mb = builder.DefinePInvokeMethod (
- name, dll_name, entry_point, flags | MethodAttributes.HideBySig | MethodAttributes.PinvokeImpl,
- CallingConventions.Standard, ret_type, param_types, cc, charset);
-
- if (preserve_sig)
- mb.SetImplementationFlags (MethodImplAttributes.PreserveSig);
-
- if (throw_on_unmappable_set)
- set_throw_on.Invoke (mb, 0, null, new object [] { throw_on_unmappable }, null);
- if (best_fit_mapping_set)
- set_best_fit.Invoke (mb, 0, null, new object [] { best_fit_mapping }, null);
-
- return mb;
- }
- catch (ArgumentException e) {
- Error_AttributeEmitError (e.Message);
- return null;
- }
- }
private Expression GetValue ()
{
- if ((Arguments == null) || (Arguments.Count < 1))
- return null;
- ArrayList al = (ArrayList) Arguments [0];
- if ((al == null) || (al.Count < 1))
- return null;
- Argument arg = (Argument) al [0];
- if ((arg == null) || (arg.Expr == null))
+ if (PosArguments == null || PosArguments.Count < 1)
return null;
- return arg.Expr;
+
+ return ((Argument) PosArguments [0]).Expr;
}
public string GetString ()
return (e as BoolLiteral).Value;
return false;
}
+
+ public Type GetArgumentType ()
+ {
+ TypeOf e = GetValue () as TypeOf;
+ if (e == null)
+ return null;
+ return e.TypeArgument;
+ }
}
/// 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;
- public GlobalAttribute (TypeContainer container, string target,
- Expression left_expr, string identifier, ArrayList args, Location loc):
- base (target, left_expr, identifier, args, loc)
+ public GlobalAttribute (NamespaceEntry ns, string target,
+ Expression left_expr, string identifier, object[] args, Location loc, bool nameEscaped):
+ base (target, left_expr, identifier, args, loc, nameEscaped)
{
- ns = container.NamespaceEntry;
+ this.ns = ns;
}
void Enter ()
{
- // RootContext.Tree.Types has a single NamespaceEntry which gets overwritten
+ // RootContext.ToplevelTypes has a single NamespaceEntry which gets overwritten
// each time a new file is parsed. However, we need to use the NamespaceEntry
// in effect where the attribute was used. Since code elsewhere cannot assume
// that the NamespaceEntry is right, just overwrite it.
//
- // Precondition: RootContext.Tree.Types == null
+ // Precondition: RootContext.ToplevelTypes == null
- if (RootContext.Tree.Types.NamespaceEntry != null)
+ if (RootContext.ToplevelTypes.NamespaceEntry != null)
throw new InternalErrorException (Location + " non-null NamespaceEntry");
- RootContext.Tree.Types.NamespaceEntry = ns;
+ RootContext.ToplevelTypes.NamespaceEntry = ns;
}
void Leave ()
{
- RootContext.Tree.Types.NamespaceEntry = null;
+ RootContext.ToplevelTypes.NamespaceEntry = null;
}
- protected override FullNamedExpression ResolveAsTypeStep (Expression expr, EmitContext ec)
+ protected override TypeExpr ResolveAsTypeTerminal (Expression expr, IResolveContext ec, bool silent)
{
try {
Enter ();
- return base.ResolveAsTypeStep (expr, ec);
+ return base.ResolveAsTypeTerminal (expr, ec, silent);
}
finally {
Leave ();
}
}
- protected override ConstructorInfo ResolveArguments (EmitContext ec)
+ protected override ConstructorInfo ResolveConstructor (EmitContext ec)
{
try {
Enter ();
- return base.ResolveArguments (ec);
+ return base.ResolveConstructor (ec);
+ }
+ finally {
+ Leave ();
+ }
+ }
+
+ protected override bool ResolveNamedArguments (EmitContext ec)
+ {
+ try {
+ Enter ();
+ return base.ResolveNamedArguments (ec);
}
finally {
Leave ();
}
public class Attributes {
- public ArrayList Attrs;
+ public readonly ArrayList Attrs;
public Attributes (Attribute a)
{
Attrs.AddRange (attrs);
}
+ public void AttachTo (Attributable attributable)
+ {
+ foreach (Attribute a in Attrs)
+ a.AttachTo (attributable);
+ }
+
/// <summary>
/// Checks whether attribute target is valid for the current element
/// </summary>
- public bool CheckTargets (Attributable member)
+ public bool CheckTargets ()
{
- string[] valid_targets = member.ValidAttributeTargets;
foreach (Attribute a in Attrs) {
- if (a.ExplicitTarget == null || a.ExplicitTarget == valid_targets [0]) {
- a.Target = member.AttributeTargets;
- continue;
- }
-
- // 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;
- }
- 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 ());
- return false;
+ if (!a.CheckTarget ())
+ return false;
}
return true;
}
- public Attribute Search (Type t, EmitContext ec)
+ public Attribute Search (Type t)
{
foreach (Attribute a in Attrs) {
- if (a.ResolveType (ec) == t)
+ if (a.ResolveType () == t)
return a;
}
return null;
/// <summary>
/// Returns all attributes of type 't'. Use it when attribute is AllowMultiple = true
/// </summary>
- public Attribute[] SearchMulti (Type t, EmitContext ec)
+ public Attribute[] SearchMulti (Type t)
{
ArrayList ar = null;
foreach (Attribute a in Attrs) {
- if (a.ResolveType (ec) == t) {
+ if (a.ResolveType () == t) {
if (ar == null)
ar = new ArrayList ();
ar.Add (a);
return ar == null ? null : ar.ToArray (typeof (Attribute)) as Attribute[];
}
- public void Emit (EmitContext ec, Attributable ias)
+ public void Emit ()
{
- CheckTargets (ias);
+ CheckTargets ();
- ListDictionary ld = new ListDictionary ();
+ ListDictionary ld = Attrs.Count > 1 ? new ListDictionary () : null;
foreach (Attribute a in Attrs)
- a.Emit (ec, ias, ld);
+ a.Emit (ld);
+
+ if (ld == null || ld.Count == 0)
+ return;
+
+ foreach (DictionaryEntry d in ld) {
+ if (d.Value == null)
+ continue;
+
+ foreach (Attribute collision in (ArrayList)d.Value)
+ Report.SymbolRelatedToPreviousError (collision.Location, "");
+
+ Attribute a = (Attribute)d.Key;
+ Report.Error (579, a.Location, "The attribute `{0}' cannot be applied multiple times", a.GetSignatureForError ());
+ }
}
- public bool Contains (Type t, EmitContext ec)
+ public bool Contains (Type t)
{
- return Search (t, ec) != null;
+ return Search (t) != null;
}
}
/// </summary>
sealed class AttributeTester
{
- static PtrHashtable analyzed_types = new PtrHashtable ();
- static PtrHashtable analyzed_types_obsolete = new PtrHashtable ();
- static PtrHashtable analyzed_member_obsolete = new PtrHashtable ();
- static PtrHashtable analyzed_method_excluded = new PtrHashtable ();
+ static PtrHashtable analyzed_types;
+ static PtrHashtable analyzed_types_obsolete;
+ static PtrHashtable analyzed_member_obsolete;
+ static PtrHashtable analyzed_method_excluded;
#if NET_2_0
- static PtrHashtable fixed_buffer_cache = new PtrHashtable ();
+ static PtrHashtable fixed_buffer_cache;
#endif
static object TRUE = new object ();
static object FALSE = new object ();
+ static AttributeTester ()
+ {
+ Reset ();
+ }
+
private AttributeTester ()
{
}
+ public static void Reset ()
+ {
+ analyzed_types = new PtrHashtable ();
+ analyzed_types_obsolete = new PtrHashtable ();
+ analyzed_member_obsolete = new PtrHashtable ();
+ analyzed_method_excluded = new PtrHashtable ();
+#if NET_2_0
+ fixed_buffer_cache = new PtrHashtable ();
+#endif
+ }
+
+ public enum Result {
+ Ok,
+ RefOutArrayError,
+ ArrayArrayError
+ }
+
/// <summary>
/// Returns true if parameters of two compared methods are CLS-Compliant.
/// It tests differing only in ref or out, or in array rank.
/// </summary>
- public static bool AreOverloadedMethodParamsClsCompliant (Type[] types_a, Type[] types_b)
+ public static Result AreOverloadedMethodParamsClsCompliant (Type[] types_a, Type[] types_b)
{
if (types_a == null || types_b == null)
- return true;
+ return Result.Ok;
if (types_a.Length != types_b.Length)
- return true;
+ return Result.Ok;
+ Result result = Result.Ok;
for (int i = 0; i < types_b.Length; ++i) {
Type aType = types_a [i];
Type bType = types_b [i];
- if (aType.IsArray && bType.IsArray && aType.GetArrayRank () != bType.GetArrayRank () && aType.GetElementType () == bType.GetElementType ()) {
- return false;
+ if (aType.IsArray && bType.IsArray) {
+ Type a_el_type = aType.GetElementType ();
+ Type b_el_type = bType.GetElementType ();
+ if (aType.GetArrayRank () != bType.GetArrayRank () && a_el_type == b_el_type) {
+ result = Result.RefOutArrayError;
+ continue;
+ }
+
+ if (a_el_type.IsArray || b_el_type.IsArray) {
+ result = Result.ArrayArrayError;
+ continue;
+ }
}
Type aBaseType = aType;
}
if (aBaseType != bBaseType)
- continue;
+ return Result.Ok;
if (is_either_ref_or_out)
- return false;
+ result = Result.RefOutArrayError;
}
- return true;
- }
-
- /// <summary>
- /// Goes through all parameters and test if they are CLS-Compliant.
- /// </summary>
- public static bool AreParametersCompliant (Parameter[] fixedParameters, Location loc)
- {
- if (fixedParameters == null)
- return true;
-
- foreach (Parameter arg in fixedParameters) {
- if (!AttributeTester.IsClsCompliant (arg.ParameterType)) {
- Report.Error (3001, loc, "Argument type '{0}' is not CLS-compliant", arg.GetSignatureForError ());
- return false;
- }
- }
- return true;
+ return result;
}
-
/// <summary>
/// This method tests the CLS compliance of external types. It doesn't test type visibility.
/// </summary>
/// </summary>
public static IFixedBuffer GetFixedBuffer (FieldInfo fi)
{
+ // Fixed buffer helper type is generated as value type
+ if (!fi.FieldType.IsValueType)
+ return null;
+
FieldBase fb = TypeManager.GetField (fi);
if (fb != null) {
return fb as IFixedBuffer;
return (IFixedBuffer)o;
#else
return null;
-#endif
+#endif
}
public static void VerifyModulesClsCompliance ()
{
- Module[] modules = TypeManager.Modules;
+ Module[] modules = RootNamespace.Global.Modules;
if (modules == null)
return;
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;
}
}
}
- /// <summary>
- /// Tests container name for CLS-Compliant name (differing only in case)
- /// </summary>
- public static void VerifyTopLevelNameClsCompliance ()
+ public static Type GetImportedIgnoreCaseClsType (string name)
{
- Hashtable locase_table = new Hashtable ();
-
- // Convert imported type names to lower case and ignore not cls compliant
- foreach (DictionaryEntry de in TypeManager.all_imported_types) {
- Type t = (Type)de.Value;
- if (!AttributeTester.IsClsCompliant (t))
+ foreach (Assembly a in RootNamespace.Global.Assemblies) {
+ Type t = a.GetType (name, false, true);
+ if (t == null)
continue;
- locase_table.Add (((string)de.Key).ToLower (System.Globalization.CultureInfo.InvariantCulture), t);
- }
-
- foreach (DictionaryEntry de in RootContext.Tree.AllDecls) {
- if (!(de.Key is MemberName))
- throw new InternalErrorException ("");
- DeclSpace decl = (DeclSpace) de.Value;
- if (!decl.IsClsCompliaceRequired (decl))
- continue;
-
- string lcase = decl.Name.ToLower (System.Globalization.CultureInfo.InvariantCulture);
- if (!locase_table.Contains (lcase)) {
- locase_table.Add (lcase, decl);
- continue;
- }
-
- object conflict = locase_table [lcase];
- if (conflict is Type)
- Report.SymbolRelatedToPreviousError ((Type)conflict);
- else
- Report.SymbolRelatedToPreviousError ((MemberCore)conflict);
-
- Report.Error (3005, decl.Location, "Identifier '{0}' differing only in case is not CLS-compliant", decl.GetSignatureForError ());
+ if (IsClsCompliant (t))
+ return t;
}
+ return null;
}
static bool IsClsCompliant (ICustomAttributeProvider attribute_provider)
static bool AnalyzeTypeCompliance (Type type)
{
+ type = TypeManager.DropGenericTypeArguments (type);
DeclSpace ds = TypeManager.LookupDeclSpace (type);
if (ds != null) {
- return ds.IsClsCompliaceRequired (ds.Parent);
+ return ds.IsClsComplianceRequired ();
}
+ if (TypeManager.IsGenericParameter (type))
+ return true;
+
object[] CompliantAttribute = type.GetCustomAttributes (TypeManager.cls_compliant_attribute_type, false);
if (CompliantAttribute.Length == 0)
return IsClsCompliant (type.Assembly);
return ((CLSCompliantAttribute)CompliantAttribute[0]).IsCompliant;
}
+ // Registers the core type as we assume that they will never be obsolete which
+ // makes things easier for bootstrap and faster (we don't need to query Obsolete attribute).
+ public static void RegisterNonObsoleteType (Type type)
+ {
+ analyzed_types_obsolete [type] = FALSE;
+ }
+
/// <summary>
/// Returns instance of ObsoleteAttribute when type is obsolete
/// </summary>
return (ObsoleteAttribute)type_obsolete;
ObsoleteAttribute result = null;
- if (type.IsByRef || type.IsArray || type.IsPointer) {
+ if (TypeManager.HasElementType (type)) {
result = GetObsoleteAttribute (TypeManager.GetElementType (type));
- } else {
+ } else if (TypeManager.IsGenericParameter (type) || TypeManager.IsGenericType (type))
+ return null;
+ else {
DeclSpace type_ds = TypeManager.LookupDeclSpace (type);
// Type is external, we can get attribute directly
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;
}
if (mb.DeclaringType is TypeBuilder)
return null;
- PropertyInfo pi = PropertyExpr.AccessorTable [mb] as PropertyInfo;
- if (pi != null)
- return GetMemberObsoleteAttribute (pi);
+ MemberInfo mi = TypeManager.GetPropertyFromAccessor (mb);
+ if (mi != null)
+ return GetMemberObsoleteAttribute (mi);
+
+ mi = TypeManager.GetEventFromAccessor (mb);
+ if (mi != null)
+ return GetMemberObsoleteAttribute (mi);
return GetMemberObsoleteAttribute (mb);
}
if (type_obsolete != null)
return (ObsoleteAttribute)type_obsolete;
- ObsoleteAttribute oa = System.Attribute.GetCustomAttribute (mi, TypeManager.obsolete_attribute_type, false) as ObsoleteAttribute;
+ if ((mi.DeclaringType is TypeBuilder) || TypeManager.IsGenericType (mi.DeclaringType))
+ return null;
+
+ ObsoleteAttribute oa = System.Attribute.GetCustomAttribute (mi, TypeManager.obsolete_attribute_type, false)
+ as ObsoleteAttribute;
analyzed_member_obsolete.Add (mi, oa == null ? FALSE : oa);
return oa;
}
public static void Report_ObsoleteMessage (ObsoleteAttribute oa, string member, Location loc)
{
if (oa.IsError) {
- Report.Error (619, loc, "'{0}' is obsolete: '{1}'", member, oa.Message);
+ Report.Error (619, loc, "`{0}' is obsolete: `{1}'", member, oa.Message);
return;
}
if (oa.Message == null) {
- Report.Warning (612, loc, "'{0}' is obsolete", member);
+ Report.Warning (612, 1, loc, "`{0}' is obsolete", member);
return;
}
- if (RootContext.WarningLevel >= 2)
- Report.Warning (618, loc, "'{0}' is obsolete: '{1}'", member, oa.Message);
+ Report.Warning (618, 2, loc, "`{0}' is obsolete: `{1}'", member, oa.Message);
}
public static bool IsConditionalMethodExcluded (MethodBase mb)
{
+ mb = TypeManager.DropGenericMethodArguments (mb);
+ if ((mb is MethodBuilder) || (mb is ConstructorBuilder))
+ return false;
+
object excluded = analyzed_method_excluded [mb];
if (excluded != null)
return excluded == TRUE ? true : 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;
return class_decl.IsExcluded ();
}
+
+ public static Type GetCoClassAttribute (Type type)
+ {
+ TypeContainer tc = TypeManager.LookupInterface (type);
+ if (tc == null) {
+ object[] o = type.GetCustomAttributes (TypeManager.coclass_attr_type, false);
+ if (o.Length < 1)
+ return null;
+ return ((System.Runtime.InteropServices.CoClassAttribute)o[0]).CoClass;
+ }
+
+ if (tc.OptAttributes == null)
+ return null;
+
+ Attribute a = tc.OptAttributes.Search (TypeManager.coclass_attr_type);
+ if (a == null)
+ return null;
+
+ return a.GetCoClassAttributeValue ();
+ }
}
}