C++ (Cpp) AttributeList::getParameterName Examples

Example #1

/// HandleObjCGCTypeAttribute - Process an objc's gc attribute on the
/// specified type.  The attribute contains 1 argument, weak or strong.
static void HandleObjCGCTypeAttribute(QualType &Type, 
                                      const AttributeList &Attr, Sema &S) {
  if (Type.getObjCGCAttr() != QualType::GCNone) {
    S.Diag(Attr.getLoc(), diag::err_attribute_multiple_objc_gc);
    return;
  }
  
  // Check the attribute arguments.
  if (!Attr.getParameterName()) {    
    S.Diag(Attr.getLoc(), diag::err_attribute_argument_n_not_string)
      << "objc_gc" << 1;
    return;
  }
  QualType::GCAttrTypes GCAttr;
  if (Attr.getNumArgs() != 0) {
    S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments) << 1;
    return;
  }
  if (Attr.getParameterName()->isStr("weak")) 
    GCAttr = QualType::Weak;
  else if (Attr.getParameterName()->isStr("strong"))
    GCAttr = QualType::Strong;
  else {
    S.Diag(Attr.getLoc(), diag::warn_attribute_type_not_supported)
      << "objc_gc" << Attr.getParameterName();
    return;
  }
  
  Type = S.Context.getObjCGCQualType(Type, GCAttr);
}