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* src/lisp.h (last_undo_boundary): Declare new var.

Browse source 
* src/keyboard.c (command_loop_1): Set it.
* src/cmds.c (Fself_insert_command): Use it to only remove boundaries that
were auto-added by the command loop.

Fixes: debbugs:11774
This commit is contained in:
Stefan Monnier 2012-07-18 09:20:59 -04:00
parent a4acb88d35
commit 464d5a5e1f
4 changed files with 30 additions and 10 deletions
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7
src/ChangeLog
View file

@ -1,3 +1,10 @@
2012-07-18 Stefan Monnier <monnier@iro.umontreal.ca>
* lisp.h (last_undo_boundary): Declare new var.
* keyboard.c (command_loop_1): Set it.
* cmds.c (Fself_insert_command): Use it to only remove boundaries that
were auto-added by the command loop (bug#11774).
2012-07-18 Andreas Schwab <schwab@linux-m68k.org>
* w32font.c (Qsymbol): Remove local definition.

5
src/cmds.c
View file

@ -296,7 +296,10 @@ At the end, it runs `post-self-insert-hook'. */)
if (remove_boundary
&& CONSP (BVAR (current_buffer, undo_list))
&& NILP (XCAR (BVAR (current_buffer, undo_list))))
&& NILP (XCAR (BVAR (current_buffer, undo_list)))
/* Only remove auto-added boundaries, not boundaries
added be explicit calls to undo-boundary. */
&& EQ (BVAR (current_buffer, undo_list), last_undo_boundary))
/* Remove the undo_boundary that was just pushed. */
BVAR (current_buffer, undo_list) = XCDR (BVAR (current_buffer, undo_list));

11
src/keyboard.c
View file

@ -1318,6 +1318,9 @@ cancel_hourglass_unwind (Lisp_Object arg)
}
#endif
/* The last boundary auto-added to buffer-undo-list. */
Lisp_Object last_undo_boundary;
/* FIXME: This is wrong rather than test window-system, we should call
a new set-selection, which will then dispatch to x-set-selection, or
tty-set-selection, or w32-set-selection, ... */
@ -1565,7 +1568,13 @@ command_loop_1 (void)
#endif
if (NILP (KVAR (current_kboard, Vprefix_arg))) /* FIXME: Why? --Stef */
Fundo_boundary ();
{
Lisp_Object undo = BVAR (current_buffer, undo_list);
Fundo_boundary ();
last_undo_boundary
= (EQ (undo, BVAR (current_buffer, undo_list))
? Qnil : BVAR (current_buffer, undo_list));
}
Fcommand_execute (Vthis_command, Qnil, Qnil, Qnil);
#ifdef HAVE_WINDOW_SYSTEM

17
src/lisp.h
View file

@ -2921,7 +2921,7 @@ extern ptrdiff_t find_before_next_newline (ptrdiff_t, ptrdiff_t, ptrdiff_t);
extern void syms_of_search (void);
extern void clear_regexp_cache (void);
/* Defined in minibuf.c */
/* Defined in minibuf.c. */
extern Lisp_Object Qcompletion_ignore_case;
extern Lisp_Object Vminibuffer_list;
@ -2930,25 +2930,25 @@ extern Lisp_Object get_minibuffer (EMACS_INT);
extern void init_minibuf_once (void);
extern void syms_of_minibuf (void);
/* Defined in callint.c */
/* Defined in callint.c. */
extern Lisp_Object Qminus, Qplus;
extern Lisp_Object Qwhen;
extern Lisp_Object Qcall_interactively, Qmouse_leave_buffer_hook;
extern void syms_of_callint (void);
/* Defined in casefiddle.c */
/* Defined in casefiddle.c. */
extern Lisp_Object Qidentity;
extern void syms_of_casefiddle (void);
extern void keys_of_casefiddle (void);
/* Defined in casetab.c */
/* Defined in casetab.c. */
extern void init_casetab_once (void);
extern void syms_of_casetab (void);
/* Defined in keyboard.c */
/* Defined in keyboard.c. */
extern Lisp_Object echo_message_buffer;
extern struct kboard *echo_kboard;
@ -2956,6 +2956,7 @@ extern void cancel_echoing (void);
extern Lisp_Object Qdisabled, QCfilter;
extern Lisp_Object Qup, Qdown, Qbottom;
extern Lisp_Object Qtop;
extern Lisp_Object last_undo_boundary;
extern int input_pending;
extern Lisp_Object menu_bar_items (Lisp_Object);
extern Lisp_Object tool_bar_items (Lisp_Object, int *);
@ -2976,13 +2977,13 @@ extern void init_keyboard (void);
extern void syms_of_keyboard (void);
extern void keys_of_keyboard (void);
/* Defined in indent.c */
/* Defined in indent.c. */
extern ptrdiff_t current_column (void);
extern void invalidate_current_column (void);
extern int indented_beyond_p (ptrdiff_t, ptrdiff_t, EMACS_INT);
extern void syms_of_indent (void);
/* Defined in frame.c */
/* Defined in frame.c. */
extern Lisp_Object Qonly;
extern Lisp_Object Qvisible;
extern void store_frame_param (struct frame *, Lisp_Object, Lisp_Object);
@ -2995,7 +2996,7 @@ extern Lisp_Object frame_buffer_predicate (Lisp_Object);
extern void frames_discard_buffer (Lisp_Object);
extern void syms_of_frame (void);
/* Defined in emacs.c */
/* Defined in emacs.c. */
extern char **initial_argv;
extern int initial_argc;
#if defined (HAVE_X_WINDOWS) || defined (HAVE_NS)