/* Buffer manipulation primitives for GNU Emacs.
- Copyright (C) 1985, 1986, 1987, 1988, 1989, 1993, 1994,
- 1995, 1997, 1998, 1999, 2000, 2001, 2002,
- 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
- Free Software Foundation, Inc.
+
+Copyright (C) 1985-1989, 1993-1995, 1997-2011 Free Software Foundation, Inc.
This file is part of GNU Emacs.
#include <errno.h>
#include <stdio.h>
#include <setjmp.h>
-
-#ifdef HAVE_UNISTD_H
#include <unistd.h>
-#endif
#include "lisp.h"
#include "intervals.h"
int last_per_buffer_idx;
-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));
+static void call_overlay_mod_hooks (Lisp_Object list, Lisp_Object overlay,
+ int after, Lisp_Object arg1,
+ Lisp_Object arg2, Lisp_Object arg3);
+static void swap_out_buffer_local_variables (struct buffer *b);
+static void reset_buffer_local_variables (struct buffer *b, int permanent_too);
/* Alist of all buffer names vs the buffers. */
/* This used to be a variable, but is no longer,
to prevent lossage due to user rplac'ing this alist or its elements. */
Lisp_Object Vbuffer_alist;
-/* Functions to call before and after each text change. */
-Lisp_Object Vbefore_change_functions;
-Lisp_Object Vafter_change_functions;
-
-Lisp_Object Vtransient_mark_mode;
-
-/* t means ignore all read-only text properties.
- A list means ignore such a property if its value is a member of the list.
- Any non-nil value means ignore buffer-read-only. */
-Lisp_Object Vinhibit_read_only;
-
-/* List of functions to call that can query about killing a buffer.
- If any of these functions returns nil, we don't kill it. */
-Lisp_Object Vkill_buffer_query_functions;
Lisp_Object Qkill_buffer_query_functions;
/* Hook run before changing a major mode. */
-Lisp_Object Vchange_major_mode_hook, Qchange_major_mode_hook;
-
-/* List of functions to call before changing an unmodified buffer. */
-Lisp_Object Vfirst_change_hook;
+Lisp_Object Qchange_major_mode_hook;
Lisp_Object Qfirst_change_hook;
Lisp_Object Qbefore_change_functions;
Lisp_Object Qafter_change_functions;
Lisp_Object Qucs_set_table_for_input;
-/* If nonzero, all modification hooks are suppressed. */
-int inhibit_modification_hooks;
-
Lisp_Object Qfundamental_mode, Qmode_class, Qpermanent_local;
Lisp_Object Qpermanent_local_hook;
Lisp_Object Qoverlayp;
-Lisp_Object Qpriority, Qwindow, Qevaporate, Qbefore_string, Qafter_string;
+Lisp_Object Qpriority, Qevaporate, Qbefore_string, Qafter_string;
Lisp_Object Qmodification_hooks;
Lisp_Object Qinsert_in_front_hooks;
Lisp_Object Qinsert_behind_hooks;
-static void alloc_buffer_text P_ ((struct buffer *, size_t));
-static void free_buffer_text P_ ((struct buffer *b));
-static struct Lisp_Overlay * copy_overlays P_ ((struct buffer *, struct Lisp_Overlay *));
-static void modify_overlay P_ ((struct buffer *, EMACS_INT, EMACS_INT));
-static Lisp_Object buffer_lisp_local_variables P_ ((struct buffer *));
-
-extern char * emacs_strerror P_ ((int));
+static void alloc_buffer_text (struct buffer *, size_t);
+static void free_buffer_text (struct buffer *b);
+static struct Lisp_Overlay * copy_overlays (struct buffer *, struct Lisp_Overlay *);
+static void modify_overlay (struct buffer *, EMACS_INT, EMACS_INT);
+static Lisp_Object buffer_lisp_local_variables (struct buffer *);
/* For debugging; temporary. See set_buffer_internal. */
/* Lisp_Object Qlisp_mode, Vcheck_symbol; */
void
-nsberror (spec)
- Lisp_Object spec;
+nsberror (Lisp_Object spec)
{
if (STRINGP (spec))
error ("No buffer named %s", SDATA (spec));
DEFUN ("buffer-live-p", Fbuffer_live_p, Sbuffer_live_p, 1, 1, 0,
doc: /* Return non-nil if OBJECT is a buffer which has not been killed.
Value is nil if OBJECT is not a buffer or if it has been killed. */)
- (object)
- Lisp_Object object;
+ (Lisp_Object object)
{
return ((BUFFERP (object) && ! NILP (XBUFFER (object)->name))
? Qt : Qnil);
If the optional arg FRAME is a frame, we return the buffer list
in the proper order for that frame: the buffers in FRAME's `buffer-list'
frame parameter come first, followed by the rest of the buffers. */)
- (frame)
- Lisp_Object frame;
+ (Lisp_Object frame)
{
Lisp_Object general;
general = Fmapcar (Qcdr, Vbuffer_alist);
and don't ever QUIT. */
static Lisp_Object
-assoc_ignore_text_properties (key, list)
- register Lisp_Object key;
- Lisp_Object list;
+assoc_ignore_text_properties (register Lisp_Object key, Lisp_Object list)
{
register Lisp_Object tail;
for (tail = list; CONSP (tail); tail = XCDR (tail))
BUFFER-OR-NAME must be either a string or a buffer. If BUFFER-OR-NAME
is a string and there is no buffer with that name, return nil. If
BUFFER-OR-NAME is a buffer, return it as given. */)
- (buffer_or_name)
- register Lisp_Object buffer_or_name;
+ (register Lisp_Object buffer_or_name)
{
if (BUFFERP (buffer_or_name))
return buffer_or_name;
The buffer's `buffer-file-name' must match exactly the expansion of FILENAME.
If there is no such live buffer, return nil.
See also `find-buffer-visiting'. */)
- (filename)
- register Lisp_Object filename;
+ (register Lisp_Object filename)
{
register Lisp_Object tail, buf, tem;
Lisp_Object handler;
}
Lisp_Object
-get_truename_buffer (filename)
- register Lisp_Object filename;
+get_truename_buffer (register Lisp_Object filename)
{
register Lisp_Object tail, buf, tem;
If BUFFER-OR-NAME is a buffer instead of a string, return it as given,
even if it is dead. The return value is never nil. */)
- (buffer_or_name)
- register Lisp_Object buffer_or_name;
+ (register Lisp_Object buffer_or_name)
{
register Lisp_Object buffer, name;
register struct buffer *b;
LIST, but for buffer B. */
static struct Lisp_Overlay *
-copy_overlays (b, list)
- struct buffer *b;
- struct Lisp_Overlay *list;
+copy_overlays (struct buffer *b, struct Lisp_Overlay *list)
{
Lisp_Object buffer;
struct Lisp_Overlay *result = NULL, *tail = NULL;
copied. */
static void
-clone_per_buffer_values (from, to)
- struct buffer *from, *to;
+clone_per_buffer_values (struct buffer *from, struct buffer *to)
{
Lisp_Object to_buffer;
int offset;
PER_BUFFER_VALUE (to, offset) = obj;
}
- bcopy (from->local_flags, to->local_flags, sizeof to->local_flags);
+ memcpy (to->local_flags, from->local_flags, sizeof to->local_flags);
to->overlays_before = copy_overlays (to, from->overlays_before);
to->overlays_after = copy_overlays (to, from->overlays_after);
Optional argument CLONE non-nil means preserve BASE-BUFFER's state,
such as major and minor modes, in the indirect buffer.
CLONE nil means the indirect buffer's state is reset to default values. */)
- (base_buffer, name, clone)
- Lisp_Object base_buffer, name, clone;
+ (Lisp_Object base_buffer, Lisp_Object name, Lisp_Object clone)
{
Lisp_Object buf, tem;
struct buffer *b;
}
void
-delete_all_overlays (b)
- struct buffer *b;
+delete_all_overlays (struct buffer *b)
{
Lisp_Object overlay;
claims it doesn't belong to it. */
void
-reset_buffer (b)
- register struct buffer *b;
+reset_buffer (register struct buffer *b)
{
b->filename = Qnil;
b->file_truename = Qnil;
we preserve those. */
static void
-reset_buffer_local_variables (b, permanent_too)
- register struct buffer *b;
- int permanent_too;
+reset_buffer_local_variables (register struct buffer *b, int permanent_too)
{
register int offset;
int i;
\(starting at 2) until an unused name is found, and then return that name.
Optional second argument IGNORE specifies a name that is okay to use (if
it is in the sequence to be tried) even if a buffer with that name exists. */)
- (name, ignore)
- register Lisp_Object name, ignore;
+ (register Lisp_Object name, Lisp_Object ignore)
{
register Lisp_Object gentemp, tem;
int count;
doc: /* Return the name of BUFFER, as a string.
BUFFER defaults to the current buffer.
Return nil if BUFFER has been killed. */)
- (buffer)
- register Lisp_Object buffer;
+ (register Lisp_Object buffer)
{
if (NILP (buffer))
return current_buffer->name;
DEFUN ("buffer-file-name", Fbuffer_file_name, Sbuffer_file_name, 0, 1, 0,
doc: /* Return name of file BUFFER is visiting, or nil if none.
No argument or nil as argument means use the current buffer. */)
- (buffer)
- register Lisp_Object buffer;
+ (register Lisp_Object buffer)
{
if (NILP (buffer))
return current_buffer->filename;
doc: /* Return the base buffer of indirect buffer BUFFER.
If BUFFER is not indirect, return nil.
BUFFER defaults to the current buffer. */)
- (buffer)
- register Lisp_Object buffer;
+ (register Lisp_Object buffer)
{
struct buffer *base;
Lisp_Object base_buffer;
doc: /* Return the value of VARIABLE in BUFFER.
If VARIABLE does not have a buffer-local binding in BUFFER, the value
is the default binding of the variable. */)
- (variable, buffer)
- register Lisp_Object variable;
- register Lisp_Object buffer;
+ (register Lisp_Object variable, register Lisp_Object buffer)
{
register struct buffer *buf;
register Lisp_Object result;
in special slots in the buffer object. */
static Lisp_Object
-buffer_lisp_local_variables (buf)
- struct buffer *buf;
+buffer_lisp_local_variables (struct buffer *buf)
{
Lisp_Object result = Qnil;
register Lisp_Object tail;
For a symbol that is locally unbound, just the symbol appears in the value.
Note that storing new VALUEs in these elements doesn't change the variables.
No argument or nil as argument means use current buffer as BUFFER. */)
- (buffer)
- register Lisp_Object buffer;
+ (register Lisp_Object buffer)
{
register struct buffer *buf;
register Lisp_Object result;
0, 1, 0,
doc: /* Return t if BUFFER was modified since its file was last read or saved.
No argument or nil as argument means use current buffer as BUFFER. */)
- (buffer)
- register Lisp_Object buffer;
+ (register Lisp_Object buffer)
{
register struct buffer *buf;
if (NILP (buffer))
1, 1, 0,
doc: /* Mark current buffer as modified or unmodified according to FLAG.
A non-nil FLAG means mark the buffer modified. */)
- (flag)
- register Lisp_Object flag;
+ (register Lisp_Object flag)
{
register int already;
register Lisp_Object fn;
doc: /* Like `set-buffer-modified-p', with a difference concerning redisplay.
It is not ensured that mode lines will be updated to show the modified
state of the current buffer. Use with care. */)
- (flag)
- Lisp_Object flag;
+ (Lisp_Object flag)
{
#ifdef CLASH_DETECTION
Lisp_Object fn;
Each buffer has a tick counter which is incremented each time the
text in that buffer is changed. It wraps around occasionally.
No argument or nil as argument means use current buffer as BUFFER. */)
- (buffer)
- register Lisp_Object buffer;
+ (register Lisp_Object buffer)
{
register struct buffer *buf;
if (NILP (buffer))
you can tell whether a character change occurred in that buffer in
between these calls. No argument or nil as argument means use current
buffer as BUFFER. */)
- (buffer)
- register Lisp_Object buffer;
+ (register Lisp_Object buffer)
{
register struct buffer *buf;
if (NILP (buffer))
Interactively, you can set UNIQUE with a prefix argument.
We return the name we actually gave the buffer.
This does not change the name of the visited file (if any). */)
- (newname, unique)
- register Lisp_Object newname, unique;
+ (register Lisp_Object newname, Lisp_Object unique)
{
register Lisp_Object tem, buf;
buffer list instead of the selected frame's buffer list.
If no other buffer exists, the buffer `*scratch*' is returned.
If BUFFER is omitted or nil, some interesting buffer is returned. */)
- (buffer, visible_ok, frame)
- register Lisp_Object buffer, visible_ok, frame;
+ (register Lisp_Object buffer, Lisp_Object visible_ok, Lisp_Object frame)
{
- Lisp_Object Fset_buffer_major_mode ();
+ Lisp_Object Fset_buffer_major_mode (Lisp_Object buffer);
register Lisp_Object tail, buf, notsogood, tem, pred, add_ons;
notsogood = Qnil;
if (NILP (frame))
frame = selected_frame;
+ CHECK_FRAME (frame);
+
tail = Vbuffer_alist;
pred = frame_buffer_predicate (frame);
0, 1, "",
doc: /* Start keeping undo information for buffer BUFFER.
No argument or nil as argument means do this for the current buffer. */)
- (buffer)
- register Lisp_Object buffer;
+ (register Lisp_Object buffer)
{
Lisp_Object real_buffer;
Any processes that have this buffer as the `process-buffer' are killed
with SIGHUP. */)
- (buffer_or_name)
- Lisp_Object buffer_or_name;
+ (Lisp_Object buffer_or_name)
{
Lisp_Object buffer;
register struct buffer *b;
means that other_buffer is more likely to choose a relevant buffer. */
void
-record_buffer (buf)
- Lisp_Object buf;
+record_buffer (Lisp_Object buf)
{
register Lisp_Object link, prev;
Lisp_Object frame;
according to `default-major-mode'.
Use this function before selecting the buffer, since it may need to inspect
the current buffer's major mode. */)
- (buffer)
- Lisp_Object buffer;
+ (Lisp_Object buffer)
{
int count;
Lisp_Object function;
CHECK_BUFFER (buffer);
if (STRINGP (XBUFFER (buffer)->name)
- && strcmp (SDATA (XBUFFER (buffer)->name), "*scratch*") == 0)
+ && strcmp (SSDATA (XBUFFER (buffer)->name), "*scratch*") == 0)
function = find_symbol_value (intern ("initial-major-mode"));
else
{
If NORECORD is non-nil, don't call record_buffer. */
Lisp_Object
-switch_to_buffer_1 (buffer_or_name, norecord)
- Lisp_Object buffer_or_name, norecord;
+switch_to_buffer_1 (Lisp_Object buffer_or_name, Lisp_Object norecord)
{
register Lisp_Object buffer;
WARNING: This is NOT the way to work on another buffer temporarily
within a Lisp program! Use `set-buffer' instead. That avoids
messing with the window-buffer correspondences. */)
- (buffer_or_name, norecord)
- Lisp_Object buffer_or_name, norecord;
+ (Lisp_Object buffer_or_name, Lisp_Object norecord)
{
- char *err;
-
if (EQ (buffer_or_name, Fwindow_buffer (selected_window)))
{
/* Basically a NOP. Avoid signalling an error in the case where
DEFUN ("current-buffer", Fcurrent_buffer, Scurrent_buffer, 0, 0, 0,
doc: /* Return the current buffer as a Lisp object. */)
- ()
+ (void)
{
register Lisp_Object buf;
XSETBUFFER (buf, current_buffer);
time, and that increments windows_or_buffers_changed. */
void
-set_buffer_internal (b)
- register struct buffer *b;
+set_buffer_internal (register struct buffer *b)
{
if (current_buffer != b)
set_buffer_internal_1 (b);
This is used by redisplay. */
void
-set_buffer_internal_1 (b)
- register struct buffer *b;
+set_buffer_internal_1 (register struct buffer *b)
{
register struct buffer *old_buf;
register Lisp_Object tail;
This avoids certain things that don't need to be done within redisplay. */
void
-set_buffer_temp (b)
- struct buffer *b;
+set_buffer_temp (struct buffer *b)
{
register struct buffer *old_buf;
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. */)
- (buffer_or_name)
- register Lisp_Object buffer_or_name;
+ (register Lisp_Object buffer_or_name)
{
register Lisp_Object buffer;
buffer = Fget_buffer (buffer_or_name);
/* Set the current buffer to BUFFER provided it is alive. */
Lisp_Object
-set_buffer_if_live (buffer)
- Lisp_Object buffer;
+set_buffer_if_live (Lisp_Object buffer)
{
if (! NILP (XBUFFER (buffer)->name))
Fset_buffer (buffer);
DEFUN ("barf-if-buffer-read-only", Fbarf_if_buffer_read_only,
Sbarf_if_buffer_read_only, 0, 0, 0,
doc: /* Signal a `buffer-read-only' error if the current buffer is read-only. */)
- ()
+ (void)
{
if (!NILP (current_buffer->read_only)
&& NILP (Vinhibit_read_only))
window is dedicated to its buffer, delete that window if there are other
windows on the same frame. If the selected window is the only window on
its frame, iconify that frame. */)
- (buffer_or_name)
- register Lisp_Object buffer_or_name;
+ (register Lisp_Object buffer_or_name)
{
Lisp_Object buffer;
doc: /* Delete the entire contents of the current buffer.
Any narrowing restriction in effect (see `narrow-to-region') is removed,
so the buffer is truly empty after this. */)
- ()
+ (void)
{
Fwiden ();
}
void
-validate_region (b, e)
- register Lisp_Object *b, *e;
+validate_region (register Lisp_Object *b, register Lisp_Object *e)
{
CHECK_NUMBER_COERCE_MARKER (*b);
CHECK_NUMBER_COERCE_MARKER (*e);
and return the adjusted position. */
static int
-advance_to_char_boundary (byte_pos)
- int byte_pos;
+advance_to_char_boundary (EMACS_INT byte_pos)
{
int c;
{
/* We should advance BYTE_POS only when C is a constituent of a
multibyte sequence. */
- int orig_byte_pos = byte_pos;
+ EMACS_INT orig_byte_pos = byte_pos;
do
{
}
#ifdef REL_ALLOC
-extern void r_alloc_reset_variable P_ ((POINTER_TYPE *, POINTER_TYPE *));
+extern void r_alloc_reset_variable (POINTER_TYPE *, POINTER_TYPE *);
#endif /* REL_ALLOC */
DEFUN ("buffer-swap-text", Fbuffer_swap_text, Sbuffer_swap_text,
1, 1, 0,
doc: /* Swap the text between current buffer and BUFFER. */)
- (buffer)
- Lisp_Object buffer;
+ (Lisp_Object buffer)
{
struct buffer *other_buffer;
CHECK_BUFFER (buffer);
other_buffer = XBUFFER (buffer);
if (NILP (other_buffer->name))
- error ("Cannot swap a dead buffer's text");
+ error ("Cannot swap a dead buffer's text");
/* Actually, it probably works just fine.
* if (other_buffer == current_buffer)
all eight-bit bytes to eight-bit characters.
If the multibyte flag was really changed, undo information of the
current buffer is cleared. */)
- (flag)
- Lisp_Object flag;
+ (Lisp_Object flag)
{
struct Lisp_Marker *tail, *markers;
struct buffer *other;
- int begv, zv;
+ EMACS_INT begv, zv;
int narrowed = (BEG != BEGV || Z != ZV);
int modified_p = !NILP (Fbuffer_modified_p (Qnil));
Lisp_Object old_undo = current_buffer->undo_list;
if (NILP (flag))
{
- int pos, stop;
+ EMACS_INT pos, stop;
unsigned char *p;
/* Do this first, so it can use CHAR_TO_BYTE
{
c = STRING_CHAR_AND_LENGTH (p, bytes);
/* Delete all bytes for this 8-bit character but the
- last one, and change the last one to the charcter
+ last one, and change the last one to the character
code. */
bytes--;
del_range_2 (pos, pos, pos + bytes, pos + bytes, 0);
}
else
{
- int pt = PT;
- int pos, stop;
+ EMACS_INT pt = PT;
+ EMACS_INT pos, stop;
unsigned char *p, *pend;
/* Be sure not to have a multibyte sequence striding over the GAP.
unsigned char *p = GPT_ADDR - 1;
while (! CHAR_HEAD_P (*p) && p > BEG_ADDR) p--;
- if (BASE_LEADING_CODE_P (*p))
+ if (LEADING_CODE_P (*p))
{
- int new_gpt = GPT_BYTE - (GPT_ADDR - p);
+ EMACS_INT new_gpt = GPT_BYTE - (GPT_ADDR - p);
move_gap_both (new_gpt, new_gpt);
}
ZV = chars_in_text (BEG_ADDR, ZV_BYTE - BEG_BYTE) + BEG;
{
- int pt_byte = advance_to_char_boundary (PT_BYTE);
- int pt;
+ EMACS_INT pt_byte = advance_to_char_boundary (PT_BYTE);
+ EMACS_INT pt;
if (pt_byte > GPT_BYTE)
pt = chars_in_text (GAP_END_ADDR, pt_byte - GPT_BYTE) + GPT;
if (!EQ (old_undo, Qt))
{
/* Represent all the above changes by a special undo entry. */
- extern Lisp_Object Qapply;
current_buffer->undo_list = Fcons (list3 (Qapply,
intern ("set-buffer-multibyte"),
NILP (flag) ? Qt : Qnil),
if (!modified_p && !NILP (Fbuffer_modified_p (Qnil)))
Fset_buffer_modified_p (Qnil);
-#ifdef subprocesses
/* Update coding systems of this buffer's process (if any). */
{
Lisp_Object process;
if (PROCESSP (process))
setup_process_coding_systems (process);
}
-#endif /* subprocesses */
return flag;
}
The first thing this function does is run
the normal hook `change-major-mode-hook'. */)
- ()
+ (void)
{
if (!NILP (Vrun_hooks))
call1 (Vrun_hooks, Qchange_major_mode_hook);
for their current values. */
static void
-swap_out_buffer_local_variables (b)
- struct buffer *b;
+swap_out_buffer_local_variables (struct buffer *b)
{
Lisp_Object oalist, alist, buffer;
default (BEGV or ZV). */
int
-overlays_at (pos, extend, vec_ptr, len_ptr, next_ptr, prev_ptr, change_req)
- EMACS_INT pos;
- int extend;
- Lisp_Object **vec_ptr;
- int *len_ptr;
- EMACS_INT *next_ptr;
- EMACS_INT *prev_ptr;
- int change_req;
+overlays_at (EMACS_INT pos, int extend, Lisp_Object **vec_ptr, int *len_ptr,
+ EMACS_INT *next_ptr, EMACS_INT *prev_ptr, int change_req)
{
Lisp_Object overlay, start, end;
struct Lisp_Overlay *tail;
int idx = 0;
int len = *len_ptr;
Lisp_Object *vec = *vec_ptr;
- int next = ZV;
- int prev = BEGV;
+ EMACS_INT next = ZV;
+ EMACS_INT prev = BEGV;
int inhibit_storing = 0;
for (tail = current_buffer->overlays_before; tail; tail = tail->next)
{
- int startpos, endpos;
+ EMACS_INT startpos, endpos;
XSETMISC (overlay, tail);
for (tail = current_buffer->overlays_after; tail; tail = tail->next)
{
- int startpos, endpos;
+ EMACS_INT startpos, endpos;
XSETMISC (overlay, tail);
But we still return the total number of overlays. */
static int
-overlays_in (beg, end, extend, vec_ptr, len_ptr, next_ptr, prev_ptr)
- int beg, end;
- int extend;
- Lisp_Object **vec_ptr;
- int *len_ptr;
- int *next_ptr;
- int *prev_ptr;
+overlays_in (EMACS_INT beg, EMACS_INT end, int extend,
+ Lisp_Object **vec_ptr, int *len_ptr,
+ EMACS_INT *next_ptr, EMACS_INT *prev_ptr)
{
Lisp_Object overlay, ostart, oend;
struct Lisp_Overlay *tail;
int idx = 0;
int len = *len_ptr;
Lisp_Object *vec = *vec_ptr;
- int next = ZV;
- int prev = BEGV;
+ EMACS_INT next = ZV;
+ EMACS_INT prev = BEGV;
int inhibit_storing = 0;
int end_is_Z = end == Z;
for (tail = current_buffer->overlays_before; tail; tail = tail->next)
{
- int startpos, endpos;
+ EMACS_INT startpos, endpos;
XSETMISC (overlay, tail);
for (tail = current_buffer->overlays_after; tail; tail = tail->next)
{
- int startpos, endpos;
+ EMACS_INT startpos, endpos;
XSETMISC (overlay, tail);
`mouse-face' property overlapping OVERLAY. */
int
-mouse_face_overlay_overlaps (overlay)
- Lisp_Object overlay;
+mouse_face_overlay_overlaps (Lisp_Object overlay)
{
- int start = OVERLAY_POSITION (OVERLAY_START (overlay));
- int end = OVERLAY_POSITION (OVERLAY_END (overlay));
+ EMACS_INT start = OVERLAY_POSITION (OVERLAY_START (overlay));
+ EMACS_INT end = OVERLAY_POSITION (OVERLAY_END (overlay));
int n, i, size;
Lisp_Object *v, tem;
\f
/* Fast function to just test if we're at an overlay boundary. */
int
-overlay_touches_p (pos)
- int pos;
+overlay_touches_p (EMACS_INT pos)
{
Lisp_Object overlay;
struct Lisp_Overlay *tail;
for (tail = current_buffer->overlays_before; tail; tail = tail->next)
{
- int endpos;
+ EMACS_INT endpos;
XSETMISC (overlay ,tail);
if (!OVERLAYP (overlay))
for (tail = current_buffer->overlays_after; tail; tail = tail->next)
{
- int startpos;
+ EMACS_INT startpos;
XSETMISC (overlay, tail);
if (!OVERLAYP (overlay))
struct sortvec
{
Lisp_Object overlay;
- int beg, end;
+ EMACS_INT beg, end;
int priority;
};
static int
-compare_overlays (v1, v2)
- const void *v1, *v2;
+compare_overlays (const void *v1, const void *v2)
{
const struct sortvec *s1 = (const struct sortvec *) v1;
const struct sortvec *s2 = (const struct sortvec *) v2;
The return value is the new size; this may be smaller than the original
size if some of the overlays were invalid or were window-specific. */
int
-sort_overlays (overlay_vec, noverlays, w)
- Lisp_Object *overlay_vec;
- int noverlays;
- struct window *w;
+sort_overlays (Lisp_Object *overlay_vec, int noverlays, struct window *w)
{
int i, j;
struct sortvec *sortvec;
struct sortstr *buf; /* An array that expands as needed; never freed. */
int size; /* Allocated length of that array. */
int used; /* How much of the array is currently in use. */
- int bytes; /* Total length of the strings in buf. */
+ EMACS_INT bytes; /* Total length of the strings in buf. */
};
/* Buffers for storing information about the overlays touching a given
static unsigned char *overlay_str_buf;
/* Allocated length of overlay_str_buf. */
-static int overlay_str_len;
+static EMACS_INT overlay_str_len;
/* A comparison function suitable for passing to qsort. */
static int
-cmp_for_strings (as1, as2)
- char *as1, *as2;
+cmp_for_strings (const void *as1, const void *as2)
{
struct sortstr *s1 = (struct sortstr *)as1;
struct sortstr *s2 = (struct sortstr *)as2;
}
static void
-record_overlay_string (ssl, str, str2, pri, size)
- struct sortstrlist *ssl;
- Lisp_Object str, str2, pri;
- int size;
+record_overlay_string (struct sortstrlist *ssl, Lisp_Object str, Lisp_Object str2, Lisp_Object pri, int size)
{
- int nbytes;
+ EMACS_INT nbytes;
if (ssl->used == ssl->size)
{
PSTR, if that variable is non-null. The string may be overwritten by
subsequent calls. */
-int
-overlay_strings (pos, w, pstr)
- EMACS_INT pos;
- struct window *w;
- unsigned char **pstr;
+EMACS_INT
+overlay_strings (EMACS_INT pos, struct window *w, unsigned char **pstr)
{
Lisp_Object overlay, window, str;
struct Lisp_Overlay *ov;
- int startpos, endpos;
+ EMACS_INT startpos, endpos;
int multibyte = ! NILP (current_buffer->enable_multibyte_characters);
overlay_heads.used = overlay_heads.bytes = 0;
if (overlay_heads.bytes || overlay_tails.bytes)
{
Lisp_Object tem;
- int i;
+ EMACS_INT i;
unsigned char *p;
- int total = overlay_heads.bytes + overlay_tails.bytes;
+ EMACS_INT total = overlay_heads.bytes + overlay_tails.bytes;
if (total > overlay_str_len)
{
p = overlay_str_buf;
for (i = overlay_tails.used; --i >= 0;)
{
- int nbytes;
+ EMACS_INT nbytes;
tem = overlay_tails.buf[i].string;
nbytes = copy_text (SDATA (tem), p,
SBYTES (tem),
}
for (i = 0; i < overlay_heads.used; ++i)
{
- int nbytes;
+ EMACS_INT nbytes;
tem = overlay_heads.buf[i].string;
nbytes = copy_text (SDATA (tem), p,
SBYTES (tem),
/* Shift overlays in BUF's overlay lists, to center the lists at POS. */
void
-recenter_overlay_lists (buf, pos)
- struct buffer *buf;
- EMACS_INT pos;
+recenter_overlay_lists (struct buffer *buf, EMACS_INT pos)
{
Lisp_Object overlay, beg, end;
struct Lisp_Overlay *prev, *tail, *next;
if (OVERLAY_POSITION (end) > pos)
{
/* OVERLAY needs to be moved. */
- int where = OVERLAY_POSITION (beg);
+ EMACS_INT where = OVERLAY_POSITION (beg);
struct Lisp_Overlay *other, *other_prev;
/* Splice the cons cell TAIL out of overlays_before. */
if (OVERLAY_POSITION (end) <= pos)
{
/* OVERLAY needs to be moved. */
- int where = OVERLAY_POSITION (end);
+ EMACS_INT where = OVERLAY_POSITION (end);
struct Lisp_Overlay *other, *other_prev;
/* Splice the cons cell TAIL out of overlays_after. */
}
void
-adjust_overlays_for_insert (pos, length)
- EMACS_INT pos;
- EMACS_INT length;
+adjust_overlays_for_insert (EMACS_INT pos, EMACS_INT length)
{
/* After an insertion, the lists are still sorted properly,
but we may need to update the value of the overlay center. */
}
void
-adjust_overlays_for_delete (pos, length)
- EMACS_INT pos;
- EMACS_INT length;
+adjust_overlays_for_delete (EMACS_INT pos, EMACS_INT length)
{
if (current_buffer->overlay_center < pos)
/* The deletion was to our right. No change needed; the before- and
Such an overlay might even have negative size at this point.
If so, we'll make the overlay empty. */
void
-fix_start_end_in_overlays (start, end)
- register int start, end;
+fix_start_end_in_overlays (register EMACS_INT start, register EMACS_INT end)
{
Lisp_Object overlay;
struct Lisp_Overlay *before_list, *after_list;
current_buffer->overlays_before or overlays_after, depending
which loop we're in. */
struct Lisp_Overlay *tail, *parent;
- int startpos, endpos;
+ EMACS_INT startpos, endpos;
/* This algorithm shifts links around instead of consing and GCing.
The loop invariant is that before_list (resp. after_list) is a
was at PREV, and now is at POS. */
void
-fix_overlays_before (bp, prev, pos)
- struct buffer *bp;
- EMACS_INT prev, pos;
+fix_overlays_before (struct buffer *bp, EMACS_INT prev, EMACS_INT pos)
{
/* If parent is nil, replace overlays_before; otherwise, parent->next. */
struct Lisp_Overlay *tail = bp->overlays_before, *parent = NULL, *right_pair;
\f
DEFUN ("overlayp", Foverlayp, Soverlayp, 1, 1, 0,
doc: /* Return t if OBJECT is an overlay. */)
- (object)
- Lisp_Object object;
+ (Lisp_Object object)
{
return (OVERLAYP (object) ? Qt : Qnil);
}
The fifth arg REAR-ADVANCE, if non-nil, makes the marker
for the rear of the overlay advance when text is inserted there
\(which means the text *is* included in the overlay). */)
- (beg, end, buffer, front_advance, rear_advance)
- Lisp_Object beg, end, buffer;
- Lisp_Object front_advance, rear_advance;
+ (Lisp_Object beg, Lisp_Object end, Lisp_Object buffer, Lisp_Object front_advance, Lisp_Object rear_advance)
{
Lisp_Object overlay;
struct buffer *b;
/* Mark a section of BUF as needing redisplay because of overlays changes. */
static void
-modify_overlay (buf, start, end)
- struct buffer *buf;
- EMACS_INT start, end;
+modify_overlay (struct buffer *buf, EMACS_INT start, EMACS_INT end)
{
if (start > end)
{
- int temp = start;
+ EMACS_INT temp = start;
start = end;
end = temp;
}
}
\f
-Lisp_Object Fdelete_overlay ();
-
static struct Lisp_Overlay *
-unchain_overlay (list, overlay)
- struct Lisp_Overlay *list, *overlay;
+unchain_overlay (struct Lisp_Overlay *list, struct Lisp_Overlay *overlay)
{
struct Lisp_Overlay *tmp, *prev;
for (tmp = list, prev = NULL; tmp; prev = tmp, tmp = tmp->next)
If BUFFER is omitted, leave OVERLAY in the same buffer it inhabits now.
If BUFFER is omitted, and OVERLAY is in no buffer, put it in the current
buffer. */)
- (overlay, beg, end, buffer)
- Lisp_Object overlay, beg, end, buffer;
+ (Lisp_Object overlay, Lisp_Object beg, Lisp_Object end, Lisp_Object buffer)
{
struct buffer *b, *ob;
Lisp_Object obuffer;
/* Redisplay where the overlay was. */
if (!NILP (obuffer))
{
- int o_beg;
- int o_end;
+ EMACS_INT o_beg;
+ EMACS_INT o_end;
o_beg = OVERLAY_POSITION (OVERLAY_START (overlay));
o_end = OVERLAY_POSITION (OVERLAY_END (overlay));
else
/* Redisplay the area the overlay has just left, or just enclosed. */
{
- int o_beg, o_end;
+ EMACS_INT o_beg, o_end;
o_beg = OVERLAY_POSITION (OVERLAY_START (overlay));
o_end = OVERLAY_POSITION (OVERLAY_END (overlay));
DEFUN ("delete-overlay", Fdelete_overlay, Sdelete_overlay, 1, 1, 0,
doc: /* Delete the overlay OVERLAY from its buffer. */)
- (overlay)
- Lisp_Object overlay;
+ (Lisp_Object overlay)
{
Lisp_Object buffer;
struct buffer *b;
DEFUN ("overlay-start", Foverlay_start, Soverlay_start, 1, 1, 0,
doc: /* Return the position at which OVERLAY starts. */)
- (overlay)
- Lisp_Object overlay;
+ (Lisp_Object overlay)
{
CHECK_OVERLAY (overlay);
DEFUN ("overlay-end", Foverlay_end, Soverlay_end, 1, 1, 0,
doc: /* Return the position at which OVERLAY ends. */)
- (overlay)
- Lisp_Object overlay;
+ (Lisp_Object overlay)
{
CHECK_OVERLAY (overlay);
DEFUN ("overlay-buffer", Foverlay_buffer, Soverlay_buffer, 1, 1, 0,
doc: /* Return the buffer OVERLAY belongs to.
Return nil if OVERLAY has been deleted. */)
- (overlay)
- Lisp_Object overlay;
+ (Lisp_Object overlay)
{
CHECK_OVERLAY (overlay);
doc: /* Return a list of the properties on OVERLAY.
This is a copy of OVERLAY's plist; modifying its conses has no effect on
OVERLAY. */)
- (overlay)
- Lisp_Object overlay;
+ (Lisp_Object overlay)
{
CHECK_OVERLAY (overlay);
\f
DEFUN ("overlays-at", Foverlays_at, Soverlays_at, 1, 1, 0,
doc: /* Return a list of the overlays that contain the character at POS. */)
- (pos)
- Lisp_Object pos;
+ (Lisp_Object pos)
{
int noverlays;
Lisp_Object *overlay_vec;
Empty overlays are included in the result if they are located at BEG,
between BEG and END, or at END provided END denotes the position at the
end of the buffer. */)
- (beg, end)
- Lisp_Object beg, end;
+ (Lisp_Object beg, Lisp_Object end)
{
int noverlays;
Lisp_Object *overlay_vec;
/* Put all the overlays we want in a vector in overlay_vec.
Store the length in len. */
noverlays = overlays_in (XINT (beg), XINT (end), 1, &overlay_vec, &len,
- (int *) 0, (int *) 0);
+ NULL, NULL);
/* Make a list of them all. */
result = Flist (noverlays, overlay_vec);
doc: /* Return the next position after POS where an overlay starts or ends.
If there are no overlay boundaries from POS to (point-max),
the value is (point-max). */)
- (pos)
- Lisp_Object pos;
+ (Lisp_Object pos)
{
int noverlays;
EMACS_INT endpos;
doc: /* Return the previous position before POS where an overlay starts or ends.
If there are no overlay boundaries from (point-min) to POS,
the value is (point-min). */)
- (pos)
- Lisp_Object pos;
+ (Lisp_Object pos)
{
int noverlays;
EMACS_INT prevpos;
Recentering overlays moves overlays between these lists.
The lists you get are copies, so that changing them has no effect.
However, the overlays you get are the real objects that the buffer uses. */)
- ()
+ (void)
{
struct Lisp_Overlay *ol;
Lisp_Object before = Qnil, after = Qnil, tmp;
doc: /* Recenter the overlays of the current buffer around position POS.
That makes overlay lookup faster for positions near POS (but perhaps slower
for positions far away from POS). */)
- (pos)
- Lisp_Object pos;
+ (Lisp_Object pos)
{
CHECK_NUMBER_COERCE_MARKER (pos);
\f
DEFUN ("overlay-get", Foverlay_get, Soverlay_get, 2, 2, 0,
doc: /* Get the property of overlay OVERLAY with property name PROP. */)
- (overlay, prop)
- Lisp_Object overlay, prop;
+ (Lisp_Object overlay, Lisp_Object prop)
{
CHECK_OVERLAY (overlay);
return lookup_char_property (XOVERLAY (overlay)->plist, prop, 0);
DEFUN ("overlay-put", Foverlay_put, Soverlay_put, 3, 3, 0,
doc: /* Set one property of overlay OVERLAY: give property PROP value VALUE. */)
- (overlay, prop, value)
- Lisp_Object overlay, prop, value;
+ (Lisp_Object overlay, Lisp_Object prop, Lisp_Object value)
{
Lisp_Object tail, buffer;
int changed;
to the end of last_overlay_modification_hooks. */
static void
-add_overlay_mod_hooklist (functionlist, overlay)
- Lisp_Object functionlist, overlay;
+add_overlay_mod_hooklist (Lisp_Object functionlist, Lisp_Object overlay)
{
int oldsize = XVECTOR (last_overlay_modification_hooks)->size;
if (last_overlay_modification_hooks_used == oldsize)
- last_overlay_modification_hooks = larger_vector
+ last_overlay_modification_hooks = larger_vector
(last_overlay_modification_hooks, oldsize * 2, Qnil);
ASET (last_overlay_modification_hooks, last_overlay_modification_hooks_used,
functionlist); last_overlay_modification_hooks_used++;
and the length of deleted or replaced old text. */
void
-report_overlay_modification (start, end, after, arg1, arg2, arg3)
- Lisp_Object start, end;
- int after;
- Lisp_Object arg1, arg2, arg3;
+report_overlay_modification (Lisp_Object start, Lisp_Object end, int after,
+ Lisp_Object arg1, Lisp_Object arg2, Lisp_Object arg3)
{
Lisp_Object prop, overlay;
struct Lisp_Overlay *tail;
last_overlay_modification_hooks_used = 0;
for (tail = current_buffer->overlays_before; tail; tail = tail->next)
{
- int startpos, endpos;
+ EMACS_INT startpos, endpos;
Lisp_Object ostart, oend;
XSETMISC (overlay, tail);
for (tail = current_buffer->overlays_after; tail; tail = tail->next)
{
- int startpos, endpos;
+ EMACS_INT startpos, endpos;
Lisp_Object ostart, oend;
XSETMISC (overlay, tail);
Lisp_Object *copy = (Lisp_Object *) alloca (size * sizeof (Lisp_Object));
int i;
- bcopy (XVECTOR (last_overlay_modification_hooks)->contents,
- copy, size * sizeof (Lisp_Object));
+ memcpy (copy, XVECTOR (last_overlay_modification_hooks)->contents,
+ size * sizeof (Lisp_Object));
gcpro1.var = copy;
gcpro1.nvars = size;
}
static void
-call_overlay_mod_hooks (list, overlay, after, arg1, arg2, arg3)
- Lisp_Object list, overlay;
- int after;
- Lisp_Object arg1, arg2, arg3;
+call_overlay_mod_hooks (Lisp_Object list, Lisp_Object overlay, int after,
+ Lisp_Object arg1, Lisp_Object arg2, Lisp_Object arg3)
{
struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
/* Delete any zero-sized overlays at position POS, if the `evaporate'
property is set. */
void
-evaporate_overlays (pos)
- EMACS_INT pos;
+evaporate_overlays (EMACS_INT pos)
{
Lisp_Object overlay, hit_list;
struct Lisp_Overlay *tail;
if (pos <= current_buffer->overlay_center)
for (tail = current_buffer->overlays_before; tail; tail = tail->next)
{
- int endpos;
+ EMACS_INT endpos;
XSETMISC (overlay, tail);
endpos = OVERLAY_POSITION (OVERLAY_END (overlay));
if (endpos < pos)
else
for (tail = current_buffer->overlays_after; tail; tail = tail->next)
{
- int startpos;
+ EMACS_INT startpos;
XSETMISC (overlay, tail);
startpos = OVERLAY_POSITION (OVERLAY_START (overlay));
if (startpos > pos)
in the slot with offset OFFSET. */
void
-buffer_slot_type_mismatch (newval, type)
- Lisp_Object newval;
- int type;
+buffer_slot_type_mismatch (Lisp_Object newval, int type)
{
Lisp_Object predicate;
/* Function prototypes. */
-static int mmap_free_1 P_ ((struct mmap_region *));
-static int mmap_enlarge P_ ((struct mmap_region *, int));
-static struct mmap_region *mmap_find P_ ((POINTER_TYPE *, POINTER_TYPE *));
-static POINTER_TYPE *mmap_alloc P_ ((POINTER_TYPE **, size_t));
-static POINTER_TYPE *mmap_realloc P_ ((POINTER_TYPE **, size_t));
-static void mmap_free P_ ((POINTER_TYPE **ptr));
-static void mmap_init P_ ((void));
+static int mmap_free_1 (struct mmap_region *);
+static int mmap_enlarge (struct mmap_region *, int);
+static struct mmap_region *mmap_find (POINTER_TYPE *, POINTER_TYPE *);
+static POINTER_TYPE *mmap_alloc (POINTER_TYPE **, size_t);
+static POINTER_TYPE *mmap_realloc (POINTER_TYPE **, size_t);
+static void mmap_free (POINTER_TYPE **ptr);
+static void mmap_init (void);
/* Return a region overlapping address range START...END, or null if
}
else if (mmap_alloc (var, nbytes))
{
- bcopy (old_ptr, *var, r->nbytes_specified);
+ memcpy (*var, old_ptr, r->nbytes_specified);
mmap_free_1 (MMAP_REGION (old_ptr));
result = *var;
r = MMAP_REGION (result);
***********************************************************************/
#ifdef REL_ALLOC
-extern POINTER_TYPE *r_alloc P_ ((POINTER_TYPE **, size_t));
-extern POINTER_TYPE *r_re_alloc P_ ((POINTER_TYPE **, size_t));
-extern void r_alloc_free P_ ((POINTER_TYPE **ptr));
+extern POINTER_TYPE *r_alloc (POINTER_TYPE **, size_t);
+extern POINTER_TYPE *r_re_alloc (POINTER_TYPE **, size_t);
+extern void r_alloc_free (POINTER_TYPE **ptr);
#endif /* REL_ALLOC */
/* Allocate NBYTES bytes for buffer B's text buffer. */
static void
-alloc_buffer_text (b, nbytes)
- struct buffer *b;
- size_t nbytes;
+alloc_buffer_text (struct buffer *b, size_t nbytes)
{
POINTER_TYPE *p;
/* Free buffer B's text buffer. */
static void
-free_buffer_text (b)
- struct buffer *b;
+free_buffer_text (struct buffer *b)
{
BLOCK_INPUT;
***********************************************************************/
void
-init_buffer_once ()
+init_buffer_once (void)
{
int idx;
- bzero (buffer_permanent_local_flags, sizeof buffer_permanent_local_flags);
+ memset (buffer_permanent_local_flags, 0, sizeof buffer_permanent_local_flags);
/* Make sure all markable slots in buffer_defaults
are initialized reasonably, so mark_buffer won't choke. */
if (sizeof (EMACS_INT) != sizeof (Lisp_Object)) abort ();
/* 0 means not a lisp var, -1 means always local, else mask */
- bzero (&buffer_local_flags, sizeof buffer_local_flags);
+ memset (&buffer_local_flags, 0, sizeof buffer_local_flags);
XSETINT (buffer_local_flags.filename, -1);
XSETINT (buffer_local_flags.directory, -1);
XSETINT (buffer_local_flags.backed_up, -1);
}
void
-init_buffer ()
+init_buffer (void)
{
char *pwd;
Lisp_Object temp;
because of the ange-ftp completion handler.
However, it is not necessary to turn / into /:/.
So avoid doing that. */
- && strcmp ("/", SDATA (current_buffer->directory)))
+ && strcmp ("/", SSDATA (current_buffer->directory)))
current_buffer->directory
= concat2 (build_string ("/:"), current_buffer->directory);
} while (0)
static void
-defvar_per_buffer (bo_fwd, namestring, address, type, doc)
- struct Lisp_Buffer_Objfwd *bo_fwd;
- char *namestring;
- Lisp_Object *address;
- Lisp_Object type;
- char *doc;
+defvar_per_buffer (struct Lisp_Buffer_Objfwd *bo_fwd, const char *namestring,
+ Lisp_Object *address, Lisp_Object type, char *doc)
{
struct Lisp_Symbol *sym;
int offset;
/* initialize the buffer routines */
void
-syms_of_buffer ()
+syms_of_buffer (void)
{
staticpro (&last_overlay_modification_hooks);
last_overlay_modification_hooks
staticpro (&Qget_file_buffer);
Qpriority = intern_c_string ("priority");
staticpro (&Qpriority);
- Qwindow = intern_c_string ("window");
- staticpro (&Qwindow);
Qbefore_string = intern_c_string ("before-string");
staticpro (&Qbefore_string);
Qafter_string = intern_c_string ("after-string");
/* All these use DEFVAR_LISP_NOPRO because the slots in
buffer_defaults will all be marked via Vbuffer_defaults. */
- DEFVAR_LISP_NOPRO ("default-mode-line-format",
- &buffer_defaults.mode_line_format,
- doc: /* Default value of `mode-line-format' for buffers that don't override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-mode-line-format",
+ mode_line_format,
+ doc: /* Default value of `mode-line-format' for buffers that don't override it.
This is the same as (default-value 'mode-line-format). */);
- DEFVAR_LISP_NOPRO ("default-header-line-format",
- &buffer_defaults.header_line_format,
- doc: /* Default value of `header-line-format' for buffers that don't override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-header-line-format",
+ header_line_format,
+ doc: /* Default value of `header-line-format' for buffers that don't override it.
This is the same as (default-value 'header-line-format). */);
- DEFVAR_LISP_NOPRO ("default-cursor-type", &buffer_defaults.cursor_type,
- doc: /* Default value of `cursor-type' for buffers that don't override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-cursor-type", cursor_type,
+ doc: /* Default value of `cursor-type' for buffers that don't override it.
This is the same as (default-value 'cursor-type). */);
- DEFVAR_LISP_NOPRO ("default-line-spacing",
- &buffer_defaults.extra_line_spacing,
- doc: /* Default value of `line-spacing' for buffers that don't override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-line-spacing",
+ extra_line_spacing,
+ doc: /* Default value of `line-spacing' for buffers that don't override it.
This is the same as (default-value 'line-spacing). */);
- DEFVAR_LISP_NOPRO ("default-cursor-in-non-selected-windows",
- &buffer_defaults.cursor_in_non_selected_windows,
- doc: /* Default value of `cursor-in-non-selected-windows'.
+ DEFVAR_BUFFER_DEFAULTS ("default-cursor-in-non-selected-windows",
+ cursor_in_non_selected_windows,
+ doc: /* Default value of `cursor-in-non-selected-windows'.
This is the same as (default-value 'cursor-in-non-selected-windows). */);
- DEFVAR_LISP_NOPRO ("default-abbrev-mode",
- &buffer_defaults.abbrev_mode,
- doc: /* Default value of `abbrev-mode' for buffers that do not override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-abbrev-mode",
+ abbrev_mode,
+ doc: /* Default value of `abbrev-mode' for buffers that do not override it.
This is the same as (default-value 'abbrev-mode). */);
- DEFVAR_LISP_NOPRO ("default-ctl-arrow",
- &buffer_defaults.ctl_arrow,
- doc: /* Default value of `ctl-arrow' for buffers that do not override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-ctl-arrow",
+ ctl_arrow,
+ doc: /* Default value of `ctl-arrow' for buffers that do not override it.
This is the same as (default-value 'ctl-arrow). */);
- DEFVAR_LISP_NOPRO ("default-enable-multibyte-characters",
- &buffer_defaults.enable_multibyte_characters,
- doc: /* *Default value of `enable-multibyte-characters' for buffers not overriding it.
+ DEFVAR_BUFFER_DEFAULTS ("default-enable-multibyte-characters",
+ enable_multibyte_characters,
+ doc: /* *Default value of `enable-multibyte-characters' for buffers not overriding it.
This is the same as (default-value 'enable-multibyte-characters). */);
- DEFVAR_LISP_NOPRO ("default-buffer-file-coding-system",
- &buffer_defaults.buffer_file_coding_system,
- doc: /* Default value of `buffer-file-coding-system' for buffers not overriding it.
+ DEFVAR_BUFFER_DEFAULTS ("default-buffer-file-coding-system",
+ buffer_file_coding_system,
+ doc: /* Default value of `buffer-file-coding-system' for buffers not overriding it.
This is the same as (default-value 'buffer-file-coding-system). */);
- DEFVAR_LISP_NOPRO ("default-truncate-lines",
- &buffer_defaults.truncate_lines,
- doc: /* Default value of `truncate-lines' for buffers that do not override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-truncate-lines",
+ truncate_lines,
+ doc: /* Default value of `truncate-lines' for buffers that do not override it.
This is the same as (default-value 'truncate-lines). */);
- DEFVAR_LISP_NOPRO ("default-fill-column",
- &buffer_defaults.fill_column,
- doc: /* Default value of `fill-column' for buffers that do not override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-fill-column",
+ fill_column,
+ doc: /* Default value of `fill-column' for buffers that do not override it.
This is the same as (default-value 'fill-column). */);
- DEFVAR_LISP_NOPRO ("default-left-margin",
- &buffer_defaults.left_margin,
- doc: /* Default value of `left-margin' for buffers that do not override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-left-margin",
+ left_margin,
+ doc: /* Default value of `left-margin' for buffers that do not override it.
This is the same as (default-value 'left-margin). */);
- DEFVAR_LISP_NOPRO ("default-tab-width",
- &buffer_defaults.tab_width,
- doc: /* Default value of `tab-width' for buffers that do not override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-tab-width",
+ tab_width,
+ doc: /* Default value of `tab-width' for buffers that do not override it.
This is the same as (default-value 'tab-width). */);
- DEFVAR_LISP_NOPRO ("default-case-fold-search",
- &buffer_defaults.case_fold_search,
- doc: /* Default value of `case-fold-search' for buffers that don't override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-case-fold-search",
+ case_fold_search,
+ doc: /* Default value of `case-fold-search' for buffers that don't override it.
This is the same as (default-value 'case-fold-search). */);
#ifdef DOS_NT
- DEFVAR_LISP_NOPRO ("default-buffer-file-type",
- &buffer_defaults.buffer_file_type,
- doc: /* Default file type for buffers that do not override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-buffer-file-type",
+ buffer_file_type,
+ doc: /* Default file type for buffers that do not override it.
This is the same as (default-value 'buffer-file-type).
The file type is nil for text, t for binary. */);
#endif
- DEFVAR_LISP_NOPRO ("default-left-margin-width",
- &buffer_defaults.left_margin_cols,
- doc: /* Default value of `left-margin-width' for buffers that don't override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-left-margin-width",
+ left_margin_cols,
+ doc: /* Default value of `left-margin-width' for buffers that don't override it.
This is the same as (default-value 'left-margin-width). */);
- DEFVAR_LISP_NOPRO ("default-right-margin-width",
- &buffer_defaults.right_margin_cols,
- doc: /* Default value of `right-margin-width' for buffers that don't override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-right-margin-width",
+ right_margin_cols,
+ doc: /* Default value of `right-margin-width' for buffers that don't override it.
This is the same as (default-value 'right-margin-width). */);
- DEFVAR_LISP_NOPRO ("default-left-fringe-width",
- &buffer_defaults.left_fringe_width,
- doc: /* Default value of `left-fringe-width' for buffers that don't override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-left-fringe-width",
+ left_fringe_width,
+ doc: /* Default value of `left-fringe-width' for buffers that don't override it.
This is the same as (default-value 'left-fringe-width). */);
- DEFVAR_LISP_NOPRO ("default-right-fringe-width",
- &buffer_defaults.right_fringe_width,
- doc: /* Default value of `right-fringe-width' for buffers that don't override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-right-fringe-width",
+ right_fringe_width,
+ doc: /* Default value of `right-fringe-width' for buffers that don't override it.
This is the same as (default-value 'right-fringe-width). */);
- DEFVAR_LISP_NOPRO ("default-fringes-outside-margins",
- &buffer_defaults.fringes_outside_margins,
- doc: /* Default value of `fringes-outside-margins' for buffers that don't override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-fringes-outside-margins",
+ fringes_outside_margins,
+ doc: /* Default value of `fringes-outside-margins' for buffers that don't override it.
This is the same as (default-value 'fringes-outside-margins). */);
- DEFVAR_LISP_NOPRO ("default-scroll-bar-width",
- &buffer_defaults.scroll_bar_width,
- doc: /* Default value of `scroll-bar-width' for buffers that don't override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-scroll-bar-width",
+ scroll_bar_width,
+ doc: /* Default value of `scroll-bar-width' for buffers that don't override it.
This is the same as (default-value 'scroll-bar-width). */);
- DEFVAR_LISP_NOPRO ("default-vertical-scroll-bar",
- &buffer_defaults.vertical_scroll_bar_type,
- doc: /* Default value of `vertical-scroll-bar' for buffers that don't override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-vertical-scroll-bar",
+ vertical_scroll_bar_type,
+ doc: /* Default value of `vertical-scroll-bar' for buffers that don't override it.
This is the same as (default-value 'vertical-scroll-bar). */);
- DEFVAR_LISP_NOPRO ("default-indicate-empty-lines",
- &buffer_defaults.indicate_empty_lines,
- doc: /* Default value of `indicate-empty-lines' for buffers that don't override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-indicate-empty-lines",
+ indicate_empty_lines,
+ doc: /* Default value of `indicate-empty-lines' for buffers that don't override it.
This is the same as (default-value 'indicate-empty-lines). */);
- DEFVAR_LISP_NOPRO ("default-indicate-buffer-boundaries",
- &buffer_defaults.indicate_buffer_boundaries,
- doc: /* Default value of `indicate-buffer-boundaries' for buffers that don't override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-indicate-buffer-boundaries",
+ indicate_buffer_boundaries,
+ doc: /* Default value of `indicate-buffer-boundaries' for buffers that don't override it.
This is the same as (default-value 'indicate-buffer-boundaries). */);
- DEFVAR_LISP_NOPRO ("default-fringe-indicator-alist",
- &buffer_defaults.fringe_indicator_alist,
- doc: /* Default value of `fringe-indicator-alist' for buffers that don't override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-fringe-indicator-alist",
+ fringe_indicator_alist,
+ doc: /* Default value of `fringe-indicator-alist' for buffers that don't override it.
This is the same as (default-value 'fringe-indicator-alist'). */);
- DEFVAR_LISP_NOPRO ("default-fringe-cursor-alist",
- &buffer_defaults.fringe_cursor_alist,
- doc: /* Default value of `fringe-cursor-alist' for buffers that don't override it.
+ DEFVAR_BUFFER_DEFAULTS ("default-fringe-cursor-alist",
+ fringe_cursor_alist,
+ doc: /* Default value of `fringe-cursor-alist' for buffers that don't override it.
This is the same as (default-value 'fringe-cursor-alist'). */);
- DEFVAR_LISP_NOPRO ("default-scroll-up-aggressively",
- &buffer_defaults.scroll_up_aggressively,
- doc: /* Default value of `scroll-up-aggressively'.
+ DEFVAR_BUFFER_DEFAULTS ("default-scroll-up-aggressively",
+ scroll_up_aggressively,
+ doc: /* Default value of `scroll-up-aggressively'.
This value applies in buffers that don't have their own local values.
This is the same as (default-value 'scroll-up-aggressively). */);
- DEFVAR_LISP_NOPRO ("default-scroll-down-aggressively",
- &buffer_defaults.scroll_down_aggressively,
- doc: /* Default value of `scroll-down-aggressively'.
+ DEFVAR_BUFFER_DEFAULTS ("default-scroll-down-aggressively",
+ scroll_down_aggressively,
+ doc: /* Default value of `scroll-down-aggressively'.
This value applies in buffers that don't have their own local values.
This is the same as (default-value 'scroll-down-aggressively). */);
%% -- print %. %- -- print infinitely many dashes.
Decimal digits after the % specify field width to which to pad. */);
- DEFVAR_LISP_NOPRO ("default-major-mode", &buffer_defaults.major_mode,
- doc: /* *Value of `major-mode' for new buffers. */);
+ DEFVAR_BUFFER_DEFAULTS ("default-major-mode", major_mode,
+ doc: /* *Value of `major-mode' for new buffers. */);
DEFVAR_PER_BUFFER ("major-mode", ¤t_buffer->major_mode,
make_number (Lisp_Symbol),
doc: /* Local (mode-specific) abbrev table of current buffer. */);
DEFVAR_PER_BUFFER ("abbrev-mode", ¤t_buffer->abbrev_mode, Qnil,
- doc: /* Non-nil turns on automatic expansion of abbrevs as they are inserted. */);
+ doc: /* Non-nil if Abbrev mode is enabled.
+Use the command `abbrev-mode' to change this variable. */);
DEFVAR_PER_BUFFER ("case-fold-search", ¤t_buffer->case_fold_search,
Qnil,
INDICATOR specifies the logical indicator type which is one of the
following symbols: `truncation' , `continuation', `overlay-arrow',
-`top', `bottom', `up', `down', `one-line', `empty-line', or `unknown'.
+`top', `bottom', `top-bottom', `up', `down', empty-line', or `unknown'.
-BITMAPS is list of symbols (LEFT RIGHT [LEFT1 RIGHT1]) which specifies
+BITMAPS is a list of symbols (LEFT RIGHT [LEFT1 RIGHT1]) which specifies
the actual bitmap shown in the left or right fringe for the logical
indicator. LEFT and RIGHT are the bitmaps shown in the left and/or
right fringe for the specific indicator. The LEFT1 or RIGHT1 bitmaps
-are used only for the `bottom' and `one-line' indicators when the last
-\(only) line in has no final newline. BITMAPS may also be a single
+are used only for the `bottom' and `top-bottom' indicators when the
+last (only) line has no final newline. BITMAPS may also be a single
symbol which is used in both left and right fringes. */);
DEFVAR_PER_BUFFER ("fringe-cursor-alist",
"Don't ask.");
*/
- DEFVAR_LISP ("before-change-functions", &Vbefore_change_functions,
+ DEFVAR_LISP ("before-change-functions", Vbefore_change_functions,
doc: /* List of functions to call before each text change.
Two arguments are passed to each function: the positions of
the beginning and end of the range of old text to be changed.
Buffer changes made while executing the `before-change-functions'
don't call any before-change or after-change functions.
-That's because these variables are temporarily set to nil.
-As a result, a hook function cannot straightforwardly alter the
-value of these variables. See the Emacs Lisp manual for a way of
-accomplishing an equivalent result by using other variables.
+That's because `inhibit-modification-hooks' is temporarily set non-nil.
If an unhandled error happens in running these functions,
the variable's value remains nil. That prevents the error
from happening repeatedly and making Emacs nonfunctional. */);
Vbefore_change_functions = Qnil;
- DEFVAR_LISP ("after-change-functions", &Vafter_change_functions,
+ DEFVAR_LISP ("after-change-functions", Vafter_change_functions,
doc: /* List of functions to call after each text change.
Three arguments are passed to each function: the positions of
the beginning and end of the range of changed text,
Buffer changes made while executing the `after-change-functions'
don't call any before-change or after-change functions.
-That's because these variables are temporarily set to nil.
-As a result, a hook function cannot straightforwardly alter the
-value of these variables. See the Emacs Lisp manual for a way of
-accomplishing an equivalent result by using other variables.
+That's because `inhibit-modification-hooks' is temporarily set non-nil.
If an unhandled error happens in running these functions,
the variable's value remains nil. That prevents the error
from happening repeatedly and making Emacs nonfunctional. */);
Vafter_change_functions = Qnil;
- DEFVAR_LISP ("first-change-hook", &Vfirst_change_hook,
+ DEFVAR_LISP ("first-change-hook", Vfirst_change_hook,
doc: /* A list of functions to call before changing a buffer which is unmodified.
The functions are run using the `run-hooks' function. */);
Vfirst_change_hook = Qnil;
to the value obtained by calling `current-time'.
If the buffer has never been shown in a window, the value is nil. */);
- DEFVAR_LISP ("transient-mark-mode", &Vtransient_mark_mode,
- doc: /* */);
+ DEFVAR_LISP ("transient-mark-mode", Vtransient_mark_mode,
+ doc: /* Non-nil if Transient Mark mode is enabled.
+See the command `transient-mark-mode' for a description of this minor mode.
+
+Non-nil also enables highlighting of the region whenever the mark is active.
+The variable `highlight-nonselected-windows' controls whether to highlight
+all windows or just the selected window.
+
+Lisp programs may give this variable certain special values:
+
+- A value of `lambda' enables Transient Mark mode temporarily.
+ It is disabled again after any subsequent action that would
+ normally deactivate the mark (e.g. buffer modification).
+
+- A value of (only . OLDVAL) enables Transient Mark mode
+ temporarily. After any subsequent point motion command that is
+ not shift-translated, or any other action that would normally
+ deactivate the mark (e.g. buffer modification), the value of
+ `transient-mark-mode' is set to OLDVAL. */);
Vtransient_mark_mode = Qnil;
- /* The docstring is in simple.el. If we put it here, it would be
- overwritten when transient-mark-mode is defined using
- define-minor-mode. */
- DEFVAR_LISP ("inhibit-read-only", &Vinhibit_read_only,
+ DEFVAR_LISP ("inhibit-read-only", Vinhibit_read_only,
doc: /* *Non-nil means disregard read-only status of buffers or characters.
If the value is t, disregard `buffer-read-only' and all `read-only'
text properties. If the value is a list, disregard `buffer-read-only'
DEFVAR_PER_BUFFER ("cursor-in-non-selected-windows",
¤t_buffer->cursor_in_non_selected_windows, Qnil,
- doc: /* *Cursor type to display in non-selected windows.
-The value t means to use hollow box cursor. See `cursor-type' for other values. */);
-
- DEFVAR_LISP ("kill-buffer-query-functions", &Vkill_buffer_query_functions,
+ doc: /* *Non-nil means show a cursor in non-selected windows.
+If nil, only shows a cursor in the selected window.
+If t, displays a cursor related to the usual cursor type
+\(a solid box becomes hollow, a bar becomes a narrower bar).
+You can also specify the cursor type as in the `cursor-type' variable.
+Use Custom to set this variable and update the display." */);
+
+ DEFVAR_LISP ("kill-buffer-query-functions", Vkill_buffer_query_functions,
doc: /* List of functions called with no args to query before killing a buffer.
The buffer being killed will be current while the functions are running.
If any of them returns nil, the buffer is not killed. */);
Vkill_buffer_query_functions = Qnil;
- DEFVAR_LISP ("change-major-mode-hook", &Vchange_major_mode_hook,
+ DEFVAR_LISP ("change-major-mode-hook", Vchange_major_mode_hook,
doc: /* Normal hook run before changing the major mode of a buffer.
The function `kill-all-local-variables' runs this before doing anything else. */);
Vchange_major_mode_hook = Qnil;
}
void
-keys_of_buffer ()
+keys_of_buffer (void)
{
initial_define_key (control_x_map, 'b', "switch-to-buffer");
initial_define_key (control_x_map, 'k', "kill-buffer");
initialized when that function gets called. */
Fput (intern_c_string ("erase-buffer"), Qdisabled, Qt);
}
-
-/* arch-tag: e48569bf-69a9-4b65-a23b-8e68769436e1
- (do not change this comment) */
HCoop / bpt / emacs.git / blobdiff