Re: etags failing with structure members

[Eli Zaretskii]

> Date: Fri, 10 Mar 2017 08:54:55 +0100
> From: martin rudalics <address@hidden>
> 
> An excerpt of the contents of my src/TAGS file after scanning the
> `frame' structure with current master:
> 
>    ...
>    bool_bf mouse_moved 297,10416
>    bool_bf pointer_invisible 300,10495
>    bool_bf frozen_window_starts 304,10651
>    ENUM_BF 309,10870
>    union output_data445,15670
>      struct tty_output *tty;tty
447,15694
>      struct x_output *x;x
448,15750
>      struct w32_output *w32;w32
449,15803
>      struct ns_output *ns;ns
450,15858
>      intptr_t nothing;451,15912
>    output_data;453,15938
>    ...
> 
> All taggable entries between
> 
>    ENUM_BF (output_method) output_method : 3;
> 
> #ifdef HAVE_WINDOW_SYSTEM
>    /* See FULLSCREEN_ enum on top.  */
>    ENUM_BF (fullscreen_type) want_fullscreen : 4;
> 
>    /* If not vertical_scroll_bar_none, we should actually
>       display the scroll bars of this type on this frame.  */
>    ENUM_BF (vertical_scroll_bar_type) vertical_scroll_bar_type : 2;
> 
>    /* Nonzero if we should actually display horizontal scroll bars on this 
> frame.  */
>    bool_bf horizontal_scroll_bars : 1;
> #endif /* HAVE_WINDOW_SYSTEM */
>    ...
> 
> and
> 
>    ...
>    /* Canonical X unit.  Width of default font, in pixels.  */
>    int column_width;
> 
>    /* Canonical Y unit.  Height of a line, in pixels.  */
>    int line_height;
> 
>    /* The terminal device that this frame uses.  If this is NULL, then
>       the frame has been deleted.  */
>    struct terminal *terminal;
> 
> are missing.

This is a known problem: the tricky macro syntax used by some of the
header files run afoul of the etags parsing.  I tried once to find a
solution for that, I might look into this again.