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[gdb/cli] Add a progress meter

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Add a progress meter.  It's not used anywhere yet.

gdb/ChangeLog:

2020-12-16  Tom Tromey  <tom@tromey.com>
	    Tom Tromey  <tromey@redhat.com>
	    Tom de Vries  <tdevries@suse.de>

	* utils.h (get_chars_per_line): Declare.
	* utils.c (get_chars_per_line): New function.
	(fputs_maybe_filtered): Handle '\r'.
	* ui-out.h (ui_out::progress_meter): New class.
	(ui_out::progress, ui_out::do_progress_start)
	(ui_out::do_progress_notify, ui_out::do_progress_end): New
	methods.
	* ui-out.c (do_progress_end)
	(make_cleanup_ui_out_progress_begin_end, ui_out_progress): New
	functions.
	* mi/mi-out.h (mi_ui_out::do_progress_start)
	(mi_ui_out::do_progress_notify, mi_ui_out::do_progress_end): New
	methods.
	* cli-out.h (struct cli_ui_out) <do_progress_start,
	do_progress_notify, do_progress_end>: New methods.
	<enum meter_stat, struct cli_progress_info>: New.
	<m_meters>: New member.
	* cli-out.c (cli_ui_out::do_progress_start)
	(cli_ui_out::do_progress_notify, cli_ui_out::do_progress_end): New
	methods.
This commit is contained in:
Tom Tromey
2020-12-16 18:18:40 +01:00
committed by Tom de Vries
parent 1e61189d0a
commit 2f2287318b
7 changed files with 224 additions and 0 deletions
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14
gdb/utils.c
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@ -1579,6 +1579,14 @@ gdb_flush (struct ui_file *stream)
stream->flush ();
}
/* See utils.h. */
int
get_chars_per_line ()
{
return chars_per_line;
}
/* Indicate that if the next sequence of characters overflows the line,
a newline should be inserted here rather than when it hits the end.
If INDENT is non-null, it is a string to be printed to indent the
@ -1769,6 +1777,12 @@ fputs_maybe_filtered (const char *linebuffer, struct ui_file *stream,
don't increment chars_printed here. */
lineptr += skip_bytes;
}
else if (*lineptr == '\r')
{
wrap_buffer.push_back (*lineptr);
chars_printed = 0;
lineptr++;
}
else
{
wrap_buffer.push_back (*lineptr);