/* 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, 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.
This file is part of GNU Emacs.
#include <stdio.h>
#include <setjmp.h>
-#ifndef USE_CRT_DLL
-extern int errno;
-#endif
-
-
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
be a DEFVAR_PER_BUFFER for the slot, there is no default value for it;
and the corresponding slot in buffer_defaults is not used.
- If a slot is -2, then there is no DEFVAR_PER_BUFFER for it,
- but there is a default value which is copied into each buffer.
-
If a slot in this structure corresponding to a DEFVAR_PER_BUFFER is
zero, that is a bug */
/* A Lisp_Object pointer to the above, used for staticpro */
static Lisp_Object Vbuffer_local_symbols;
+/* Return the symbol of the per-buffer variable at offset OFFSET in
+ the buffer structure. */
+
+#define PER_BUFFER_SYMBOL(OFFSET) \
+ (*(Lisp_Object *)((OFFSET) + (char *) &buffer_local_symbols))
+
/* Flags indicating which built-in buffer-local variables
are permanent locals. */
static char buffer_permanent_local_flags[MAX_PER_BUFFER_VARS];
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,
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;
continue;
obj = PER_BUFFER_VALUE (from, offset);
- if (MARKERP (obj))
+ if (MARKERP (obj) && XMARKER (obj)->buffer == from)
{
struct Lisp_Marker *m = XMARKER (obj);
obj = Fmake_marker ();
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;
b->directory = (current_buffer) ? current_buffer->directory : Qnil;
b->modtime = 0;
+ b->modtime_size = -1;
XSETFASTINT (b->save_length, 0);
b->last_window_start = 1;
/* It is more conservative to start out "changed" than "unchanged". */
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;
{
Lisp_Object tmp, prop, last = Qnil;
for (tmp = b->local_var_alist; CONSP (tmp); tmp = XCDR (tmp))
- if (CONSP (XCAR (tmp))
- && SYMBOLP (XCAR (XCAR (tmp)))
- && !NILP (prop = Fget (XCAR (XCAR (tmp)), Qpermanent_local)))
+ if (!NILP (prop = Fget (XCAR (XCAR (tmp)), Qpermanent_local)))
{
/* If permanent-local, keep it. */
last = tmp;
int idx = PER_BUFFER_IDX (offset);
if ((idx > 0
&& (permanent_too
- || buffer_permanent_local_flags[idx] == 0))
- /* Is -2 used anywhere? */
- || idx == -2)
+ || buffer_permanent_local_flags[idx] == 0)))
PER_BUFFER_VALUE (b, offset) = PER_BUFFER_DEFAULT (offset);
}
}
\(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;
CHECK_SYMBOL (variable);
CHECK_BUFFER (buffer);
buf = XBUFFER (buffer);
+ sym = XSYMBOL (variable);
- sym = indirect_variable (XSYMBOL (variable));
- XSETSYMBOL (variable, sym);
-
- /* Look in local_var_list */
- result = Fassoc (variable, buf->local_var_alist);
- if (NILP (result))
+ start:
+ switch (sym->redirect)
{
- int offset, idx;
- int found = 0;
-
- /* Look in special slots */
- /* buffer-local Lisp variables start at `undo_list',
- tho only the ones from `name' on are GC'd normally. */
- for (offset = PER_BUFFER_VAR_OFFSET (undo_list);
- offset < sizeof (struct buffer);
- /* sizeof EMACS_INT == sizeof Lisp_Object */
- offset += (sizeof (EMACS_INT)))
- {
- idx = PER_BUFFER_IDX (offset);
- if ((idx == -1 || PER_BUFFER_VALUE_P (buf, idx))
- && SYMBOLP (PER_BUFFER_SYMBOL (offset))
- && EQ (PER_BUFFER_SYMBOL (offset), variable))
- {
- result = PER_BUFFER_VALUE (buf, offset);
- found = 1;
- break;
- }
- }
-
- if (!found)
- result = Fdefault_value (variable);
- }
- else
- {
- Lisp_Object valcontents;
- Lisp_Object current_alist_element;
-
- /* What binding is loaded right now? */
- valcontents = sym->value;
- current_alist_element
- = XCAR (XBUFFER_LOCAL_VALUE (valcontents)->cdr);
-
- /* The value of the currently loaded binding is not
- stored in it, but rather in the realvalue slot.
- Store that value into the binding it belongs to
- in case that is the one we are about to use. */
+ case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start;
+ case SYMBOL_PLAINVAL: result = SYMBOL_VAL (sym); break;
+ case SYMBOL_LOCALIZED:
+ { /* Look in local_var_alist. */
+ struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym);
+ XSETSYMBOL (variable, sym); /* Update In case of aliasing. */
+ result = Fassoc (variable, buf->local_var_alist);
+ if (!NILP (result))
+ {
+ if (blv->fwd)
+ { /* What binding is loaded right now? */
+ Lisp_Object current_alist_element = blv->valcell;
- Fsetcdr (current_alist_element,
- do_symval_forwarding (XBUFFER_LOCAL_VALUE (valcontents)->realvalue));
+ /* The value of the currently loaded binding is not
+ stored in it, but rather in the realvalue slot.
+ Store that value into the binding it belongs to
+ in case that is the one we are about to use. */
- /* Now get the (perhaps updated) value out of the binding. */
- result = XCDR (result);
+ XSETCDR (current_alist_element,
+ do_symval_forwarding (blv->fwd));
+ }
+ /* Now get the (perhaps updated) value out of the binding. */
+ result = XCDR (result);
+ }
+ else
+ result = Fdefault_value (variable);
+ break;
+ }
+ case SYMBOL_FORWARDED:
+ {
+ union Lisp_Fwd *fwd = SYMBOL_FWD (sym);
+ if (BUFFER_OBJFWDP (fwd))
+ result = PER_BUFFER_VALUE (buf, XBUFFER_OBJFWD (fwd)->offset);
+ else
+ result = Fdefault_value (variable);
+ break;
+ }
+ default: abort ();
}
if (!EQ (result, Qunbound))
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;
if (buf != current_buffer)
val = XCDR (elt);
- /* If symbol is unbound, put just the symbol in the list. */
- if (EQ (val, Qunbound))
- result = Fcons (XCAR (elt), result);
- /* Otherwise, put (symbol . value) in the list. */
- else
- result = Fcons (Fcons (XCAR (elt), val), result);
+ result = Fcons (Fcons (XCAR (elt), val), result);
}
return result;
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;
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, valcontents;
- Lisp_Object tem;
+ register Lisp_Object tail;
#ifdef USE_MMAP_FOR_BUFFERS
if (b->text->beg == NULL)
/* Look down buffer's list of local Lisp variables
to find and update any that forward into C variables. */
- for (tail = b->local_var_alist; CONSP (tail); tail = XCDR (tail))
+ do
{
- if (CONSP (XCAR (tail))
- && SYMBOLP (XCAR (XCAR (tail)))
- && (valcontents = SYMBOL_VALUE (XCAR (XCAR (tail))),
- (BUFFER_LOCAL_VALUEP (valcontents)))
- && (tem = XBUFFER_LOCAL_VALUE (valcontents)->realvalue,
- (BOOLFWDP (tem) || INTFWDP (tem) || OBJFWDP (tem))))
- /* Just reference the variable to cause it to become set for
- this buffer. */
- Fsymbol_value (XCAR (XCAR (tail)));
+ for (tail = b->local_var_alist; CONSP (tail); tail = XCDR (tail))
+ {
+ Lisp_Object var = XCAR (XCAR (tail));
+ struct Lisp_Symbol *sym = XSYMBOL (var);
+ if (sym->redirect == SYMBOL_LOCALIZED /* Just to be sure. */
+ && SYMBOL_BLV (sym)->fwd)
+ /* Just reference the variable
+ to cause it to become set for this buffer. */
+ Fsymbol_value (var);
+ }
}
-
/* Do the same with any others that were local to the previous buffer */
-
- if (old_buf)
- for (tail = old_buf->local_var_alist; CONSP (tail); tail = XCDR (tail))
- {
- if (CONSP (tail)
- && SYMBOLP (XCAR (XCAR (tail)))
- && (valcontents = SYMBOL_VALUE (XCAR (XCAR (tail))),
- (BUFFER_LOCAL_VALUEP (valcontents)))
- && (tem = XBUFFER_LOCAL_VALUE (valcontents)->realvalue,
- (BOOLFWDP (tem) || INTFWDP (tem) || OBJFWDP (tem))))
- /* Just reference the variable to cause it to become set for
- this buffer. */
- Fsymbol_value (XCAR (XCAR (tail)));
- }
+ while (b != old_buf && (b = old_buf, b));
}
/* Switch to buffer B temporarily for redisplay purposes.
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)
swapfield (undo_list, Lisp_Object);
swapfield (mark, Lisp_Object);
swapfield (enable_multibyte_characters, Lisp_Object);
+ swapfield (bidi_display_reordering, Lisp_Object);
+ swapfield (bidi_paragraph_direction, Lisp_Object);
/* FIXME: Not sure what we should do with these *_marker fields.
Hopefully they're just nil anyway. */
swapfield (pt_marker, Lisp_Object);
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, sym, buffer;
+ Lisp_Object oalist, alist, buffer;
XSETBUFFER (buffer, b);
oalist = b->local_var_alist;
for (alist = oalist; CONSP (alist); alist = XCDR (alist))
{
- if (CONSP (XCAR (alist))
- && (sym = XCAR (XCAR (alist)), SYMBOLP (sym))
- /* Need not do anything if some other buffer's binding is
- now encached. */
- && EQ (XBUFFER_LOCAL_VALUE (SYMBOL_VALUE (sym))->buffer,
- buffer))
+ Lisp_Object sym = XCAR (XCAR (alist));
+ eassert (XSYMBOL (sym)->redirect == SYMBOL_LOCALIZED);
+ /* Need not do anything if some other buffer's binding is
+ now encached. */
+ if (EQ (SYMBOL_BLV (XSYMBOL (sym))->where, buffer))
{
/* Symbol is set up for this buffer's old local value:
swap it out! */
- swap_in_global_binding (sym);
+ swap_in_global_binding (XSYMBOL (sym));
}
}
}
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 ();
+Lisp_Object Fdelete_overlay (Lisp_Object 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;
#endif
#include <stdio.h>
-#include <errno.h>
#if MAP_ANON == 0
#include <fcntl.h>
/* 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. */
reset_buffer (&buffer_defaults);
+ eassert (EQ (buffer_defaults.name, make_number (0)));
reset_buffer_local_variables (&buffer_defaults, 1);
+ eassert (EQ (buffer_local_symbols.name, make_number (0)));
reset_buffer (&buffer_local_symbols);
reset_buffer_local_variables (&buffer_local_symbols, 1);
/* Prevent GC from getting confused. */
buffer_defaults.truncate_lines = Qnil;
buffer_defaults.word_wrap = Qnil;
buffer_defaults.ctl_arrow = Qt;
- buffer_defaults.direction_reversed = Qnil;
+ buffer_defaults.bidi_display_reordering = Qnil;
+ buffer_defaults.bidi_paragraph_direction = Qnil;
buffer_defaults.cursor_type = Qt;
buffer_defaults.extra_line_spacing = Qnil;
buffer_defaults.cursor_in_non_selected_windows = Qt;
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);
XSETFASTINT (buffer_local_flags.syntax_table, idx); ++idx;
XSETFASTINT (buffer_local_flags.cache_long_line_scans, idx); ++idx;
XSETFASTINT (buffer_local_flags.category_table, idx); ++idx;
- XSETFASTINT (buffer_local_flags.direction_reversed, idx); ++idx;
+ XSETFASTINT (buffer_local_flags.bidi_display_reordering, idx); ++idx;
+ XSETFASTINT (buffer_local_flags.bidi_paragraph_direction, idx); ++idx;
XSETFASTINT (buffer_local_flags.buffer_file_coding_system, idx);
/* Make this one a permanent local. */
buffer_permanent_local_flags[idx++] = 1;
}
void
-init_buffer ()
+init_buffer (void)
{
char *pwd;
Lisp_Object temp;
in the buffer that is current now. */
/* TYPE is nil for a general Lisp variable.
- An integer specifies a type; then only LIsp values
+ An integer specifies a type; then only Lisp values
with that type code are allowed (except that nil is allowed too).
- LNAME is the LIsp-level variable name.
+ LNAME is the Lisp-level variable name.
VNAME is the name of the buffer slot.
DOC is a dummy where you write the doc string as a comment. */
-#define DEFVAR_PER_BUFFER(lname, vname, type, doc) \
- defvar_per_buffer (lname, vname, type, 0)
+#define DEFVAR_PER_BUFFER(lname, vname, type, doc) \
+ do { \
+ static struct Lisp_Buffer_Objfwd bo_fwd; \
+ defvar_per_buffer (&bo_fwd, lname, vname, type, 0); \
+ } while (0)
static void
-defvar_per_buffer (namestring, address, type, doc)
- 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)
{
- Lisp_Object sym, val;
+ struct Lisp_Symbol *sym;
int offset;
- sym = intern (namestring);
- val = allocate_misc ();
+ sym = XSYMBOL (intern (namestring));
offset = (char *)address - (char *)current_buffer;
- XMISCTYPE (val) = Lisp_Misc_Buffer_Objfwd;
- XBUFFER_OBJFWD (val)->offset = offset;
- XBUFFER_OBJFWD (val)->slottype = type;
- SET_SYMBOL_VALUE (sym, val);
- PER_BUFFER_SYMBOL (offset) = sym;
+ bo_fwd->type = Lisp_Fwd_Buffer_Obj;
+ bo_fwd->offset = offset;
+ bo_fwd->slottype = type;
+ sym->redirect = SYMBOL_FORWARDED;
+ {
+ /* I tried to do the job without a cast, but it seems impossible.
+ union Lisp_Fwd *fwd; &(fwd->u_buffer_objfwd) = bo_fwd; */
+ SET_SYMBOL_FWD (sym, (union Lisp_Fwd *)bo_fwd);
+ }
+ XSETSYMBOL (PER_BUFFER_SYMBOL (offset), sym);
if (PER_BUFFER_IDX (offset) == 0)
/* Did a DEFVAR_PER_BUFFER without initializing the corresponding
/* 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");
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-direction-reversed",
- &buffer_defaults.direction_reversed,
- doc: /* Default value of `direction-reversed' for buffers that do not override it.
-This is the same as (default-value 'direction-reversed). */);
-
DEFVAR_LISP_NOPRO ("default-enable-multibyte-characters",
&buffer_defaults.enable_multibyte_characters,
doc: /* *Default value of `enable-multibyte-characters' for buffers not overriding it.
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,
This variable is never applied to a way of decoding a file while reading it. */);
- DEFVAR_PER_BUFFER ("direction-reversed", ¤t_buffer->direction_reversed,
- Qnil,
- doc: /* *Non-nil means lines in the buffer are displayed right to left. */);
+ DEFVAR_PER_BUFFER ("bidi-display-reordering",
+ ¤t_buffer->bidi_display_reordering, Qnil,
+ doc: /* Non-nil means reorder bidirectional text for display in the visual order. */);
- DEFVAR_PER_BUFFER ("truncate-lines", ¤t_buffer->truncate_lines, Qnil,
+ DEFVAR_PER_BUFFER ("bidi-paragraph-direction",
+ ¤t_buffer->bidi_paragraph_direction, Qnil,
+ doc: /* *If non-nil, forces directionality of text paragraphs in the buffer.
+
+If this is nil (the default), the direction of each paragraph is
+determined by the first strong directional character of its text.
+The values of `right-to-left' and `left-to-right' override that.
+Any other value is treated as nil.
+
+This variable has no effect unless the buffer's value of
+\`bidi-display-reordering' is non-nil. */);
+
+ DEFVAR_PER_BUFFER ("truncate-lines", ¤t_buffer->truncate_lines, Qnil,
doc: /* *Non-nil means do not display continuation lines.
Instead, give each line of text just one screen line.
If the buffer has never been shown in a window, the value is nil. */);
DEFVAR_LISP ("transient-mark-mode", &Vtransient_mark_mode,
- doc: /* */);
+ 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,
doc: /* *Non-nil means disregard read-only status of buffers or characters.
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. */);
+ 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.
}
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");
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