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Import readline 7.0 (patch 5)

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This imports readline 7.0 (up to patch 5) while preserving all
gdb-local changes.

This was done by checking out the readline git repository, making a
branch based on the gdb baseline revision, applying the gdb changes to
that branch, and then merging from readline 7.

readline/ChangeLog.gdb
2019-08-12  Tom Tromey  <tom@tromey.com>

	* Imported readline 7.0 patch 5.
This commit is contained in:
Tom Tromey
2018-10-07 12:52:13 -06:00
parent 08132bdd87
commit 775e241e9c
96 changed files with 9082 additions and 1805 deletions
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43
readline/misc.c
View File

@@ -1,6 +1,6 @@
/* misc.c -- miscellaneous bindable readline functions. */
/* Copyright (C) 1987-2009 Free Software Foundation, Inc.
/* Copyright (C) 1987-2015 Free Software Foundation, Inc.
This file is part of the GNU Readline Library (Readline), a library
for reading lines of text with interactive input and history editing.
@@ -126,7 +126,7 @@ _rl_arg_dispatch (cxt, c)
/* If we see a key bound to `universal-argument' after seeing digits,
it ends the argument but is otherwise ignored. */
if (_rl_keymap[c].type == ISFUNC && _rl_keymap[c].function == rl_universal_argument)
if (c >= 0 && _rl_keymap[c].type == ISFUNC && _rl_keymap[c].function == rl_universal_argument)
{
if ((cxt & NUM_SAWDIGITS) == 0)
{
@@ -266,6 +266,8 @@ _rl_arg_callback (cxt)
int c, r;
c = _rl_arg_getchar ();
if (c < 0)
return (1); /* EOF */
if (_rl_argcxt & NUM_READONE)
{
@@ -459,6 +461,7 @@ _rl_revert_all_lines ()
saved_undo_list = 0;
/* Set up rl_line_buffer and other variables from history entry */
rl_replace_from_history (entry, 0); /* entry->line is now current */
entry->data = 0; /* entry->data is now current undo list */
/* Undo all changes to this history entry */
while (rl_undo_list)
rl_do_undo ();
@@ -466,7 +469,6 @@ _rl_revert_all_lines ()
the timestamp. */
FREE (entry->line);
entry->line = savestring (rl_line_buffer);
entry->data = 0;
}
entry = previous_history ();
}
@@ -483,6 +485,37 @@ _rl_revert_all_lines ()
xfree (lbuf);
}
/* Free the history list, including private readline data and take care
of pointer aliases to history data. Resets rl_undo_list if it points
to an UNDO_LIST * saved as some history entry's data member. This
should not be called while editing is active. */
void
rl_clear_history ()
{
HIST_ENTRY **hlist, *hent;
register int i;
UNDO_LIST *ul, *saved_undo_list;
saved_undo_list = rl_undo_list;
hlist = history_list (); /* direct pointer, not copy */
for (i = 0; i < history_length; i++)
{
hent = hlist[i];
if (ul = (UNDO_LIST *)hent->data)
{
if (ul == saved_undo_list)
saved_undo_list = 0;
_rl_free_undo_list (ul);
hent->data = 0;
}
_rl_free_history_entry (hent);
}
history_offset = history_length = 0;
rl_undo_list = saved_undo_list; /* should be NULL */
}
/* **************************************************************** */
/* */
/* History Commands */
@@ -623,6 +656,10 @@ rl_emacs_editing_mode (count, key)
rl_editing_mode = emacs_mode;
_rl_set_insert_mode (RL_IM_INSERT, 1); /* emacs mode default is insert mode */
_rl_keymap = emacs_standard_keymap;
if (_rl_show_mode_in_prompt)
_rl_reset_prompt ();
return 0;
}