/* Simple built-in editing commands.
-Copyright (C) 1985, 1993-1998, 2001-2011 Free Software Foundation, Inc.
+Copyright (C) 1985, 1993-1998, 2001-2012 Free Software Foundation, Inc.
This file is part of GNU Emacs.
#include <config.h>
-#include <setjmp.h>
+
#include "lisp.h"
#include "commands.h"
-#include "buffer.h"
#include "character.h"
+#include "buffer.h"
#include "syntax.h"
#include "window.h"
#include "keyboard.h"
return make_number (PT + XINT (n));
}
-/* Add N to point; or subtract N if FORWARD is zero. N defaults to 1.
+/* Add N to point; or subtract N if FORWARD is false. N defaults to 1.
Validate the new location. Return nil. */
static Lisp_Object
-move_point (Lisp_Object n, int forward)
+move_point (Lisp_Object n, bool forward)
{
/* This used to just set point to point + XINT (n), and then check
to see if it was within boundaries. But now that SET_PT can
DEFUN ("forward-char", Fforward_char, Sforward_char, 0, 1, "^p",
doc: /* Move point N characters forward (backward if N is negative).
On reaching end or beginning of buffer, stop and signal error.
+Interactively, N is the numeric prefix argument.
Depending on the bidirectional context, the movement may be to the
right or to the left on the screen. This is in contrast with
DEFUN ("backward-char", Fbackward_char, Sbackward_char, 0, 1, "^p",
doc: /* Move point N characters backward (forward if N is negative).
On attempt to pass beginning or end of buffer, stop and signal error.
+Interactively, N is the numeric prefix argument.
Depending on the bidirectional context, the movement may be to the
right or to the left on the screen. This is in contrast with
At the end, it runs `post-self-insert-hook'. */)
(Lisp_Object n)
{
- int remove_boundary = 1;
+ bool remove_boundary = 1;
CHECK_NATNUM (n);
if (!EQ (Vthis_command, KVAR (current_kboard, Vlast_command)))
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));
+ bset_undo_list (current_buffer, XCDR (BVAR (current_buffer, undo_list)));
/* Barf if the key that invoked this was not a character. */
if (!CHARACTERP (last_command_event))
: UNIBYTE_TO_CHAR (XFASTINT (Fprevious_char ())))
== Sword))
{
- int modiff = MODIFF;
+ EMACS_INT modiff = MODIFF;
Lisp_Object sym;
sym = call0 (Qexpand_abbrev);
/* If we expanded an abbrev which has a hook,
and the hook has a non-nil `no-self-insert' property,
return right away--don't really self-insert. */
- if (SYMBOLP (sym) && ! NILP (sym) && ! NILP (XSYMBOL (sym)->function)
+ if (SYMBOLP (sym) && ! NILP (sym)
+ && ! NILP (XSYMBOL (sym)->function)
&& SYMBOLP (XSYMBOL (sym)->function))
{
Lisp_Object prop;