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(reset_buffer_local_variables): If permanent_too is 0, also

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preserve non-built-in buffer-local variables.
(Fkill_all_local_variables): Don't re-create&re-set permanent
buffer-local variables.
This commit is contained in:
Stefan Monnier 2007-12-10 03:47:46 +00:00
parent 59ab767558
commit 3709505e05
2 changed files with 40 additions and 27 deletions
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13
src/ChangeLog
View file

@ -1,3 +1,16 @@
2007-12-10 Stefan Monnier <monnier@iro.umontreal.ca>
* keyboard.c (Fcommand_execute): Call Qcall_interactively instead of
manipulating the backtrace manually.
(make_lispy_event): Merge the ASCII and MULTIBYTE cases.
(struct backtrace, backtrace_list): Remove.
(command_loop_1): Remove dead var `no_direct'.
* buffer.c (reset_buffer_local_variables): If permanent_too is 0, also
preserve non-built-in buffer-local variables.
(Fkill_all_local_variables): Don't re-create&re-set permanent
buffer-local variables.
2007-12-09 Juri Linkov <juri@jurta.org>
* buffer.c (Frename_buffer): Change interactive spec from "s" to

54
src/buffer.c
View file

@ -107,12 +107,14 @@ static char buffer_permanent_local_flags[MAX_PER_BUFFER_VARS];
int last_per_buffer_idx;
Lisp_Object Fset_buffer ();
void set_buffer_internal ();
void set_buffer_internal_1 ();
static void call_overlay_mod_hooks ();
static void swap_out_buffer_local_variables ();
static void reset_buffer_local_variables ();
EXFUN (Fset_buffer, 1);
void set_buffer_internal P_ ((struct buffer *b));
void set_buffer_internal_1 P_ ((struct buffer *b));
static void call_overlay_mod_hooks P_ ((Lisp_Object list, Lisp_Object overlay,
int after, Lisp_Object arg1,
Lisp_Object arg2, Lisp_Object arg3));
static void swap_out_buffer_local_variables P_ ((struct buffer *b));
static void reset_buffer_local_variables P_ ((struct buffer *b, int permanent_too));
/* Alist of all buffer names vs the buffers. */
/* This used to be a variable, but is no longer,
@ -716,7 +718,7 @@ reset_buffer (b)
it does not treat permanent locals consistently.
Instead, use Fkill_all_local_variables.
If PERMANENT_TOO is 1, then we reset permanent built-in
If PERMANENT_TOO is 1, then we reset permanent
buffer-local variables. If PERMANENT_TOO is 0,
we preserve those. */
@ -754,7 +756,23 @@ reset_buffer_local_variables (b, permanent_too)
#endif
/* Reset all (or most) per-buffer variables to their defaults. */
b->local_var_alist = Qnil;
if (permanent_too)
b->local_var_alist = Qnil;
else
{
Lisp_Object tmp, last = Qnil;
for (tmp = b->local_var_alist; CONSP (tmp); tmp = XCDR (tmp))
if (CONSP (XCAR (tmp))
&& SYMBOLP (XCAR (XCAR (tmp)))
&& !NILP (Fget (XCAR (XCAR (tmp)), Qpermanent_local)))
/* If permanent-local, keep it. */
last = tmp;
else if (NILP (last))
b->local_var_alist = XCDR (tmp);
else
XSETCDR (last, XCDR (tmp));
}
for (i = 0; i < last_per_buffer_idx; ++i)
if (permanent_too || buffer_permanent_local_flags[i] == 0)
SET_PER_BUFFER_VALUE_P (b, i, 0);
@ -2452,14 +2470,10 @@ The first thing this function does is run
the normal hook `change-major-mode-hook'. */)
()
{
register Lisp_Object alist, sym, tem;
Lisp_Object oalist;
if (!NILP (Vrun_hooks))
call1 (Vrun_hooks, Qchange_major_mode_hook);
oalist = current_buffer->local_var_alist;
/* Make sure none of the bindings in oalist
/* Make sure none of the bindings in local_var_alist
remain swapped in, in their symbols. */
swap_out_buffer_local_variables (current_buffer);
@ -2468,20 +2482,6 @@ the normal hook `change-major-mode-hook'. */)
reset_buffer_local_variables (current_buffer, 0);
/* Any which are supposed to be permanent,
make local again, with the same values they had. */
for (alist = oalist; CONSP (alist); alist = XCDR (alist))
{
sym = XCAR (XCAR (alist));
tem = Fget (sym, Qpermanent_local);
if (! NILP (tem))
{
Fmake_local_variable (sym);
Fset (sym, XCDR (XCAR (alist)));
}
}
/* Force mode-line redisplay. Useful here because all major mode
commands call this function. */
update_mode_lines++;