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* buffer.h (decode_buffer): New function.

Browse source 
* buffer.c (Fbuffer_name, Fbuffer_file_name, Fbuffer_base_buffer)
(Fbuffer_local_variables, Fbuffer_modified_p, Fbuffer_modified_tick)
(Fbuffer_chars_modified_tick, Fdelete_all_overlays):
* data.c (Flocal_variables_p):
* fileio.c (Fverify_visited_file_modtime):
* marker.c (live_buffer): Use it.
This commit is contained in:
Dmitry Antipov 2014-09-02 15:41:22 +04:00
parent f25cd98b27
commit 77ea21cdfc
6 changed files with 29 additions and 108 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
src/ChangeLog
View file

@ -7,6 +7,14 @@
* lisp.h (egetenv): ... because of a new inline function used to
avoid calls to strlen for a compile-time constants.
* buffer.h (decode_buffer): New function.
* buffer.c (Fbuffer_name, Fbuffer_file_name, Fbuffer_base_buffer)
(Fbuffer_local_variables, Fbuffer_modified_p, Fbuffer_modified_tick)
(Fbuffer_chars_modified_tick, Fdelete_all_overlays):
* data.c (Flocal_variables_p):
* fileio.c (Fverify_visited_file_modtime):
* marker.c (live_buffer): Use it.
2014-09-01 Dmitry Antipov <dmantipov@yandex.ru>
Avoid extra calls to strlen in filesystem I/O routines.

85
src/buffer.c
View file

@ -1134,10 +1134,7 @@ BUFFER defaults to the current buffer.
Return nil if BUFFER has been killed. */)
(register Lisp_Object buffer)
{
if (NILP (buffer))
return BVAR (current_buffer, name);
CHECK_BUFFER (buffer);
return BVAR (XBUFFER (buffer), name);
return BVAR (decode_buffer (buffer), name);
}
DEFUN ("buffer-file-name", Fbuffer_file_name, Sbuffer_file_name, 0, 1, 0,
@ -1145,10 +1142,7 @@ DEFUN ("buffer-file-name", Fbuffer_file_name, Sbuffer_file_name, 0, 1, 0,
No argument or nil as argument means use the current buffer. */)
(register Lisp_Object buffer)
{
if (NILP (buffer))
return BVAR (current_buffer, filename);
CHECK_BUFFER (buffer);
return BVAR (XBUFFER (buffer), filename);
return BVAR (decode_buffer (buffer), filename);
}
DEFUN ("buffer-base-buffer", Fbuffer_base_buffer, Sbuffer_base_buffer,
@ -1158,21 +1152,8 @@ If BUFFER is not indirect, return nil.
BUFFER defaults to the current buffer. */)
(register Lisp_Object buffer)
{
struct buffer *base;
Lisp_Object base_buffer;
if (NILP (buffer))
base = current_buffer->base_buffer;
else
{
CHECK_BUFFER (buffer);
base = XBUFFER (buffer)->base_buffer;
}
if (! base)
return Qnil;
XSETBUFFER (base_buffer, base);
return base_buffer;
struct buffer *base = decode_buffer (buffer)->base_buffer;
return base ? (XSETBUFFER (buffer, base), buffer) : Qnil;
}
DEFUN ("buffer-local-value", Fbuffer_local_value,
@ -1297,18 +1278,8 @@ 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. */)
(register Lisp_Object buffer)
{
register struct buffer *buf;
register Lisp_Object result;
if (NILP (buffer))
buf = current_buffer;
else
{
CHECK_BUFFER (buffer);
buf = XBUFFER (buffer);
}
result = buffer_lisp_local_variables (buf, 0);
register struct buffer *buf = decode_buffer (buffer);
register Lisp_Object result = buffer_lisp_local_variables (buf, 0);
/* Add on all the variables stored in special slots. */
{
@ -1337,15 +1308,7 @@ DEFUN ("buffer-modified-p", Fbuffer_modified_p, Sbuffer_modified_p,
No argument or nil as argument means use current buffer as BUFFER. */)
(register Lisp_Object buffer)
{
register struct buffer *buf;
if (NILP (buffer))
buf = current_buffer;
else
{
CHECK_BUFFER (buffer);
buf = XBUFFER (buffer);
}
register struct buffer *buf = decode_buffer (buffer);
return BUF_SAVE_MODIFF (buf) < BUF_MODIFF (buf) ? Qt : Qnil;
}
@ -1451,16 +1414,7 @@ text in that buffer is changed. It wraps around occasionally.
No argument or nil as argument means use current buffer as BUFFER. */)
(register Lisp_Object buffer)
{
register struct buffer *buf;
if (NILP (buffer))
buf = current_buffer;
else
{
CHECK_BUFFER (buffer);
buf = XBUFFER (buffer);
}
return make_number (BUF_MODIFF (buf));
return make_number (BUF_MODIFF (decode_buffer (buffer)));
}
DEFUN ("buffer-chars-modified-tick", Fbuffer_chars_modified_tick,
@ -1475,16 +1429,7 @@ between these calls. No argument or nil as argument means use current
buffer as BUFFER. */)
(register Lisp_Object buffer)
{
register struct buffer *buf;
if (NILP (buffer))
buf = current_buffer;
else
{
CHECK_BUFFER (buffer);
buf = XBUFFER (buffer);
}
return make_number (BUF_CHARS_MODIFF (buf));
return make_number (BUF_CHARS_MODIFF (decode_buffer (buffer)));
}
DEFUN ("rename-buffer", Frename_buffer, Srename_buffer, 1, 2,
@ -4137,17 +4082,7 @@ BUFFER omitted or nil means delete all overlays of the current
buffer. */)
(Lisp_Object buffer)
{
register struct buffer *buf;
if (NILP (buffer))
buf = current_buffer;
else
{
CHECK_BUFFER (buffer);
buf = XBUFFER (buffer);
}
delete_all_overlays (buf);
delete_all_overlays (decode_buffer (buffer));
return Qnil;
}

7
src/buffer.h
View file

@ -1088,6 +1088,13 @@ extern void mmap_set_vars (bool);
extern void restore_buffer (Lisp_Object);
extern void set_buffer_if_live (Lisp_Object);
INLINE
struct buffer *
decode_buffer (Lisp_Object b)
{
return NILP (b) ? current_buffer : (CHECK_BUFFER (b), XBUFFER (b));
}
/* Set the current buffer to B.
We previously set windows_or_buffers_changed here to invalidate

10
src/data.c
View file

@ -1954,17 +1954,9 @@ DEFUN ("local-variable-p", Flocal_variable_p, Slocal_variable_p,
BUFFER defaults to the current buffer. */)
(register Lisp_Object variable, Lisp_Object buffer)
{
register struct buffer *buf;
register struct buffer *buf = decode_buffer (buffer);
struct Lisp_Symbol *sym;
if (NILP (buffer))
buf = current_buffer;
else
{
CHECK_BUFFER (buffer);
buf = XBUFFER (buffer);
}
CHECK_SYMBOL (variable);
sym = XSYMBOL (variable);

10
src/fileio.c
View file

@ -5324,20 +5324,12 @@ If BUF is omitted or nil, it defaults to the current buffer.
See Info node `(elisp)Modification Time' for more details. */)
(Lisp_Object buf)
{
struct buffer *b;
struct buffer *b = decode_buffer (buf);
struct stat st;
Lisp_Object handler;
Lisp_Object filename;
struct timespec mtime;
if (NILP (buf))
b = current_buffer;
else
{
CHECK_BUFFER (buf);
b = XBUFFER (buf);
}
if (!STRINGP (BVAR (b, filename))) return Qt;
if (b->modtime.tv_nsec == UNKNOWN_MODTIME_NSECS) return Qt;

17
src/marker.c
View file

@ -455,21 +455,8 @@ attach_marker (struct Lisp_Marker *m, struct buffer *b,
static struct buffer *
live_buffer (Lisp_Object buffer)
{
struct buffer *b;
if (NILP (buffer))
{
b = current_buffer;
eassert (BUFFER_LIVE_P (b));
}
else
{
CHECK_BUFFER (buffer);
b = XBUFFER (buffer);
if (!BUFFER_LIVE_P (b))
b = NULL;
}
return b;
struct buffer *b = decode_buffer (buffer);
return BUFFER_LIVE_P (b) ? b : NULL;
}
/* Internal function to set MARKER in BUFFER at POSITION. Non-zero