bug#34594: cc-mode needs to support "final" in C++ classes

[Daniel Colascione]

+ Alan

On 2/20/19 11:34 AM, Daniel Colascione wrote:
> > Consider this:
> >
> > 1 struct QueryCache final : BasePyObject, SupportsGcClear,
> > 2                           HasDict, SupportsWeakRefs
> >
> > Without the "final", line 2 is classified as inher-cont.  With the
> > "final", it gets topmost-intro-cont and wrong indentation.
>
> Proposed fix:
>
> diff --git a/lisp/progmodes/cc-engine.el b/lisp/progmodes/cc-engine.el
> index b4c12896f3..121888d825 100644
> --- a/lisp/progmodes/cc-engine.el
> +++ b/lisp/progmodes/cc-engine.el
> @@ -12268,6 +12268,9 @@ c-guess-basic-syntax
>                         (if (eq (char-after) ?<)
>                             (zerop (c-forward-token-2 1 t indent-point))
>                           t)
> +                       (if (looking-at "final\\>[^_]")
> +                           (c-forward-token-2 1 nil indent-point)
> +                         t)
>                         (eq (char-after) ?:))))
>             (goto-char placeholder)
>             (c-add-syntax 'inher-cont (c-point 'boi)))