Lisp_Object framelist, prevlist, tail;
Lisp_Object args[3];
- CHECK_FRAME (frame);
framelist = Fcopy_sequence (XFRAME (frame)->buffer_list);
prevlist = Fnreverse (Fcopy_sequence
(XFRAME (frame)->buried_buffer_list));
{
struct Lisp_Overlay *ov, *next;
+ /* FIXME: Since each drop_overlay will scan BUF_MARKERS to unlink its
+ markers, we have an unneeded O(N^2) behavior here. */
for (ov = b->overlays_before; ov; ov = next)
{
drop_overlay (b, ov);
exists, return the buffer `*scratch*' (creating it if necessary). */)
(register Lisp_Object buffer, Lisp_Object visible_ok, Lisp_Object frame)
{
- Lisp_Object tail, buf, pred;
- Lisp_Object notsogood = Qnil;
+ struct frame *f = decode_any_frame (frame);
+ Lisp_Object tail = f->buffer_list, pred = f->buffer_predicate;
+ Lisp_Object buf, notsogood = Qnil;
- if (NILP (frame))
- frame = selected_frame;
-
- CHECK_FRAME (frame);
-
- pred = frame_buffer_predicate (frame);
/* Consider buffers that have been seen in the frame first. */
- tail = XFRAME (frame)->buffer_list;
for (; CONSP (tail); tail = XCDR (tail))
{
buf = XCAR (tail);
void
compact_buffer (struct buffer *buffer)
{
- /* Verify indirection counters. */
- if (buffer->base_buffer)
- {
- eassert (buffer->indirections == -1);
- eassert (buffer->base_buffer->indirections > 0);
- }
- else
- eassert (buffer->indirections >= 0);
+ BUFFER_CHECK_INDIRECTION (buffer);
/* Skip dead buffers, indirect buffers and buffers
which aren't changed since last compaction. */
- if (!NILP (buffer->INTERNAL_FIELD (name))
+ if (BUFFER_LIVE_P (buffer)
&& (buffer->base_buffer == NULL)
&& (buffer->text->compact != buffer->text->modiff))
{
/* Unchain all markers that belong to this indirect buffer.
Don't unchain the markers that belong to the base buffer
or its other indirect buffers. */
- for (m = BUF_MARKERS (b); m; )
+ struct Lisp_Marker **mp = &BUF_MARKERS (b);
+ while ((m = *mp))
{
- struct Lisp_Marker *next = m->next;
if (m->buffer == b)
- unchain_marker (m);
- m = next;
+ {
+ m->buffer = NULL;
+ *mp = m->next;
+ }
+ else
+ mp = &m->next;
}
}
else
BUF_MARKERS (b) = NULL;
set_buffer_intervals (b, NULL);
- /* Perhaps we should explicitly free the interval tree here... */
+ /* Perhaps we should explicitly free the interval tree here... */
}
+ /* Since we've unlinked the markers, the overlays can't be here any more
+ either. */
+ b->overlays_before = NULL;
+ b->overlays_after = NULL;
/* Reset the local variables, so that this buffer's local values
won't be protected from GC. They would be protected
if (current_buffer == b)
return;
+ BUFFER_CHECK_INDIRECTION (b);
+
old_buf = current_buffer;
current_buffer = b;
last_known_column_point = -1; /* invalidate indentation cache */
DEFUN ("set-buffer", Fset_buffer, Sset_buffer, 1, 1, 0,
doc: /* Make buffer BUFFER-OR-NAME current for editing operations.
BUFFER-OR-NAME may be a buffer or the name of an existing buffer. See
-also `save-excursion' when you want to make a buffer current
+also `with-current-buffer' when you want to make a buffer current
temporarily. This function does not display the buffer, so its effect
ends when the current command terminates. Use `switch-to-buffer' or
`pop-to-buffer' to switch buffers permanently. */)
begv = BEGV, zv = ZV;
if (narrowed)
- Fwiden ();
+ error ("Changing multibyteness in a narrowed buffer");
if (NILP (flag))
{
between "equal" overlays. The result can still change between
invocations of Emacs, but it won't change in the middle of
`find_field' (bug#6830). */
- if (XHASH (s1->overlay) != XHASH (s2->overlay))
- return XHASH (s1->overlay) < XHASH (s2->overlay) ? -1 : 1;
+ if (!EQ (s1->overlay, s2->overlay))
+ return XLI (s1->overlay) < XLI (s2->overlay) ? -1 : 1;
return 0;
}
beforep->next = current_buffer->overlays_before;
set_buffer_overlays_before (current_buffer, before_list);
}
- recenter_overlay_lists (current_buffer, current_buffer->overlay_center);
if (afterp)
{
end = OVERLAY_END (overlay);
if (OVERLAY_POSITION (end) < b->overlay_center)
{
- if (b->overlays_after)
- XOVERLAY (overlay)->next = b->overlays_after;
+ eassert (b->overlays_after || (XOVERLAY (overlay)->next == NULL));
+ XOVERLAY (overlay)->next = b->overlays_after;
set_buffer_overlays_after (b, XOVERLAY (overlay));
}
else
{
- if (b->overlays_before)
- XOVERLAY (overlay)->next = b->overlays_before;
+ eassert (b->overlays_before || (XOVERLAY (overlay)->next == NULL));
+ XOVERLAY (overlay)->next = b->overlays_before;
set_buffer_overlays_before (b, XOVERLAY (overlay));
}
-
/* This puts it in the right list, and in the right order. */
recenter_overlay_lists (b, b->overlay_center);
/* Put all the overlays we want in a vector in overlay_vec.
Store the length in len. */
noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len,
- 0, 0, 0);
+ NULL, NULL, 0);
/* Make a list of them all. */
result = Flist (noverlays, overlay_vec);
init_buffer_once (void)
{
int idx;
- /* If you add, remove, or reorder Lisp_Objects in a struct buffer, make
- sure that this is still correct. Otherwise, mark_vectorlike may not
- trace all Lisp_Objects in buffer_defaults and buffer_local_symbols. */
- const int pvecsize
- = (offsetof (struct buffer, own_text) - header_size) / word_size;
memset (buffer_permanent_local_flags, 0, sizeof buffer_permanent_local_flags);
/* This is not strictly necessary, but let's make them initialized. */
bset_name (&buffer_defaults, build_pure_c_string (" *buffer-defaults*"));
bset_name (&buffer_local_symbols, build_pure_c_string (" *buffer-local-symbols*"));
- XSETPVECTYPESIZE (&buffer_defaults, PVEC_BUFFER, pvecsize);
- XSETPVECTYPESIZE (&buffer_local_symbols, PVEC_BUFFER, pvecsize);
+ BUFFER_PVEC_INIT (&buffer_defaults);
+ BUFFER_PVEC_INIT (&buffer_local_symbols);
/* Set up the default values of various buffer slots. */
/* Must do these before making the first buffer! */
doc: /* Cursor to use when this buffer is in the selected window.
Values are interpreted as follows:
- t use the cursor specified for the frame
- nil don't display a cursor
- box display a filled box cursor
- hollow display a hollow box cursor
- bar display a vertical bar cursor with default width
- (bar . WIDTH) display a vertical bar cursor with width WIDTH
- hbar display a horizontal bar cursor with default height
+ t use the cursor specified for the frame
+ nil don't display a cursor
+ box display a filled box cursor
+ hollow display a hollow box cursor
+ bar display a vertical bar cursor with default width
+ (bar . WIDTH) display a vertical bar cursor with width WIDTH
+ hbar display a horizontal bar cursor with default height
(hbar . HEIGHT) display a horizontal bar cursor with height HEIGHT
- ANYTHING ELSE display a hollow box cursor
+ ANYTHING ELSE display a hollow box cursor
When the buffer is displayed in a non-selected window, the
cursor's appearance is instead controlled by the variable