/usr/share/jed/lib/pushmode.sl is in jed-common 1:0.99.19-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | % The functions push_mode and pop_mode are designed to allow one to temporarily
% switch buffer modes and then restore the original mode.
% It requires a version of jed with buffer local variables.
% To use it, add:
%
% autoload ("push_mode", "pushmode");
%
% to you .jedrc file.
define push_mode ()
{
variable mode, old_mode, keymap;
variable var_name, try_mode;
var_name = "push-mode-stack";
!if (blocal_var_exists (var_name))
define_blocal_var (var_name, "");
if (_NARGS)
mode = ();
else
mode = strtrim (read_mini ("Push to mode:", Null_String, Null_String));
!if (strlen (mode))
return;
if (is_defined (mode) <= 0)
{
mode += "_mode";
if (is_defined (mode) <= 0)
error ("Mode is not defined.");
}
(old_mode,) = what_mode ();
!if (strlen (old_mode))
old_mode = "no";
old_mode = strtrans (old_mode, "-", "_");
% Some modes may set modeline to two words.
try_mode = strlow (strtrans (old_mode, " ", "_") + "_mode");
if (2 != is_defined (try_mode))
{
try_mode = strlow (extract_element (old_mode, 0, ' ') + "_mode");
if (2 != is_defined (try_mode))
verror ("Unable to get mode. Tried %s.", try_mode);
}
keymap = what_keymap ();
no_mode ();
eval ("." + mode); % RPN form
set_blocal_var (sprintf (".%s|%s,%s", try_mode, keymap,
get_blocal_var (var_name)),
var_name);
}
define pop_mode ()
{
variable var_name = "push-mode-stack";
variable modes, keymap, mode;
modes = get_blocal_var (var_name);
!if (strlen (modes))
error ("mode stack is empty.");
mode = extract_element (modes, 0, ',');
keymap = extract_element (mode, 1, '|');
mode = extract_element (mode, 0, '|');
no_mode ();
eval (mode);
use_keymap (keymap);
set_blocal_var (extract_element (modes, 1, ','), var_name);
}
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