public override void ApplyAttributeBuilder (Attribute a, MethodSpec ctor, byte[] cdata, PredefinedAttributes pa)
{
if (a.Type == pa.AttributeUsage) {
if (!BaseType.IsAttribute && spec.BuiltinType != BuiltinTypeSpec.Type.Attribute) {
Report.Error (641, a.Location, "Attribute `{0}' is only valid on classes derived from System.Attribute", a.GetSignatureForError ());
}
}
if (a.Type == pa.Conditional && !BaseType.IsAttribute) {
Report.Error (1689, a.Location, "Attribute `System.Diagnostics.ConditionalAttribute' is only valid on methods or attribute classes");
return;
}
if (a.Type == pa.ComImport && !attributes.Contains (pa.Guid)) {
a.Error_MissingGuidAttribute ();
return;
}
if (a.Type == pa.Extension) {
a.Error_MisusedExtensionAttribute ();
return;
}
if (a.Type.IsConditionallyExcluded (this))
return;
base.ApplyAttributeBuilder (a, ctor, cdata, pa);
}
public override void ApplyAttributeBuilder (Attribute a, MethodSpec ctor, byte[] cdata, PredefinedAttributes pa)
{
if (a.Type == pa.Conditional) {
if (IsExplicitImpl) {
Error_ConditionalAttributeIsNotValid ();
return;
}
if ((ModFlags & Modifiers.OVERRIDE) != 0) {
Report.Error (243, Location, "Conditional not valid on `{0}' because it is an override method", GetSignatureForError ());
return;
}
if (ReturnType.Kind != MemberKind.Void) {
Report.Error (578, Location, "Conditional not valid on `{0}' because its return type is not void", GetSignatureForError ());
return;
}
if (IsInterface) {
Report.Error (582, Location, "Conditional not valid on interface members");
return;
}
if (MethodData.implementing != null) {
Report.SymbolRelatedToPreviousError (MethodData.implementing.DeclaringType);
Report.Error (629, Location, "Conditional member `{0}' cannot implement interface member `{1}'",
GetSignatureForError (), TypeManager.CSharpSignature (MethodData.implementing));
return;
}
for (int i = 0; i < parameters.Count; ++i) {
if ((parameters.FixedParameters [i].ModFlags & Parameter.Modifier.OUT) != 0) {
Report.Error (685, Location, "Conditional method `{0}' cannot have an out parameter", GetSignatureForError ());
return;
}
}
}
if (a.Type == pa.Extension) {
a.Error_MisusedExtensionAttribute ();
return;
}
base.ApplyAttributeBuilder (a, ctor, cdata, pa);
}
