C++ (Cpp) Sema::mergeDLLExportAttr示例

static void HandleDLLExportAttr(Decl *D, const AttributeList &Attr, Sema &S) {
  // check the attribute arguments.
  if (Attr.getNumArgs() != 0) {
    S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments) << 0;
    return;
  }

  // Attribute can be applied only to functions or variables.
  FunctionDecl *FD = dyn_cast<FunctionDecl>(D);
  if (!FD && !isa<VarDecl>(D)) {
    S.Diag(Attr.getLoc(), diag::warn_attribute_wrong_decl_type)
      << Attr.getName() << 2 /*variable and function*/;
    return;
  }

  // Currently, the dllexport attribute is ignored for inlined functions, unless
  // the -fkeep-inline-functions flag has been used. Warning is emitted;
  if (FD && FD->isInlineSpecified()) {
    // FIXME: ... unless the -fkeep-inline-functions flag has been used.
    S.Diag(Attr.getLoc(), diag::warn_attribute_ignored) << "dllexport";
    return;
  }

  unsigned Index = Attr.getAttributeSpellingListIndex();
  DLLExportAttr *NewAttr = S.mergeDLLExportAttr(D, Attr.getRange(), Index);
  if (NewAttr)
    D->addAttr(NewAttr);
}

示例#2

显示文件

文件： TargetAttributesSema.cpp 项目： azurepine/clang

static void HandleDLLExportAttr(Decl *D, const AttributeList &Attr, Sema &S) {
  // Currently, the dllexport attribute is ignored for inlined functions, unless
  // the -fkeep-inline-functions flag has been used. Warning is emitted;
  if (isa<FunctionDecl>(D) && cast<FunctionDecl>(D)->isInlineSpecified()) {
    // FIXME: ... unless the -fkeep-inline-functions flag has been used.
    S.Diag(Attr.getLoc(), diag::warn_attribute_ignored) << Attr.getName();
    return;
  }

  unsigned Index = Attr.getAttributeSpellingListIndex();
  DLLExportAttr *NewAttr = S.mergeDLLExportAttr(D, Attr.getRange(), Index);
  if (NewAttr)
    D->addAttr(NewAttr);
}