1 files changed, 49 insertions, 0 deletions
diff --git a/gcc/diagnostics/option-id.h b/gcc/diagnostics/option-id.h
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+/* Declaration of struct diagnostics::option_id.
+   Copyright (C) 2024-2025 Free Software Foundation, Inc.
+   Contributed by David Malcolm <dmalcolm@redhat.com>.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#ifndef GCC_DIAGNOSTICS_OPTION_ID_H
+#define GCC_DIAGNOSTICS_OPTION_ID_H
+
+namespace diagnostics {
+
+/* A class to use for the ID of an option that controls
+   a particular diagnostic.
+   This is just a wrapper around "int", but better documents
+   the intent of the code.  */
+
+struct option_id
+{
+  option_id () : m_idx (0) {}
+
+  option_id (int idx) : m_idx (idx) {}
+  /* Ideally we'd take an enum opt_code here, but we don't
+     want to depend on its decl.  */
+
+  bool operator== (option_id other) const
+  {
+    return m_idx == other.m_idx;
+  }
+
+  int m_idx;
+};
+
+} // namespace diagnostics
+
+#endif /* ! GCC_DIAGNOSTICS_OPTION_ID_H */