mirror of
git://git.sv.gnu.org/emacs.git
synced 2025-12-28 08:11:05 -08:00
721 lines
21 KiB
C
721 lines
21 KiB
C
/* Primitives for word-abbrev mode.
|
||
Copyright (C) 1985, 1986, 1993, 1996, 1998, 2001, 2002, 2003, 2004,
|
||
2005, 2006 Free Software Foundation, Inc.
|
||
|
||
This file is part of GNU Emacs.
|
||
|
||
GNU Emacs is free software; you can redistribute it and/or modify
|
||
it under the terms of the GNU General Public License as published by
|
||
the Free Software Foundation; either version 2, or (at your option)
|
||
any later version.
|
||
|
||
GNU Emacs is distributed in the hope that it will be useful,
|
||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
GNU General Public License for more details.
|
||
|
||
You should have received a copy of the GNU General Public License
|
||
along with GNU Emacs; see the file COPYING. If not, write to
|
||
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
||
Boston, MA 02110-1301, USA. */
|
||
|
||
|
||
#include <config.h>
|
||
#include <stdio.h>
|
||
|
||
#include "lisp.h"
|
||
#include "commands.h"
|
||
#include "buffer.h"
|
||
#include "window.h"
|
||
#include "charset.h"
|
||
#include "syntax.h"
|
||
|
||
/* An abbrev table is an obarray.
|
||
Each defined abbrev is represented by a symbol in that obarray
|
||
whose print name is the abbreviation.
|
||
The symbol's value is a string which is the expansion.
|
||
If its function definition is non-nil, it is called
|
||
after the expansion is done.
|
||
The plist slot of the abbrev symbol is its usage count. */
|
||
|
||
/* List of all abbrev-table name symbols:
|
||
symbols whose values are abbrev tables. */
|
||
|
||
Lisp_Object Vabbrev_table_name_list;
|
||
|
||
/* The table of global abbrevs. These are in effect
|
||
in any buffer in which abbrev mode is turned on. */
|
||
|
||
Lisp_Object Vglobal_abbrev_table;
|
||
|
||
/* The local abbrev table used by default (in Fundamental Mode buffers) */
|
||
|
||
Lisp_Object Vfundamental_mode_abbrev_table;
|
||
|
||
/* Set nonzero when an abbrev definition is changed */
|
||
|
||
int abbrevs_changed;
|
||
|
||
int abbrev_all_caps;
|
||
|
||
/* Non-nil => use this location as the start of abbrev to expand
|
||
(rather than taking the word before point as the abbrev) */
|
||
|
||
Lisp_Object Vabbrev_start_location;
|
||
|
||
/* Buffer that Vabbrev_start_location applies to */
|
||
Lisp_Object Vabbrev_start_location_buffer;
|
||
|
||
/* The symbol representing the abbrev most recently expanded */
|
||
|
||
Lisp_Object Vlast_abbrev;
|
||
|
||
/* A string for the actual text of the abbrev most recently expanded.
|
||
This has more info than Vlast_abbrev since case is significant. */
|
||
|
||
Lisp_Object Vlast_abbrev_text;
|
||
|
||
/* Character address of start of last abbrev expanded */
|
||
|
||
EMACS_INT last_abbrev_point;
|
||
|
||
/* Hook to run before expanding any abbrev. */
|
||
|
||
Lisp_Object Vpre_abbrev_expand_hook, Qpre_abbrev_expand_hook;
|
||
|
||
Lisp_Object Qsystem_type, Qcount;
|
||
|
||
DEFUN ("make-abbrev-table", Fmake_abbrev_table, Smake_abbrev_table, 0, 0, 0,
|
||
doc: /* Create a new, empty abbrev table object. */)
|
||
()
|
||
{
|
||
/* The value 59 is arbitrary chosen prime number. */
|
||
return Fmake_vector (make_number (59), make_number (0));
|
||
}
|
||
|
||
DEFUN ("clear-abbrev-table", Fclear_abbrev_table, Sclear_abbrev_table, 1, 1, 0,
|
||
doc: /* Undefine all abbrevs in abbrev table TABLE, leaving it empty. */)
|
||
(table)
|
||
Lisp_Object table;
|
||
{
|
||
int i, size;
|
||
|
||
CHECK_VECTOR (table);
|
||
size = XVECTOR (table)->size;
|
||
abbrevs_changed = 1;
|
||
for (i = 0; i < size; i++)
|
||
XVECTOR (table)->contents[i] = make_number (0);
|
||
return Qnil;
|
||
}
|
||
|
||
DEFUN ("define-abbrev", Fdefine_abbrev, Sdefine_abbrev, 3, 6, 0,
|
||
doc: /* Define an abbrev in TABLE named NAME, to expand to EXPANSION and call HOOK.
|
||
NAME must be a string.
|
||
EXPANSION should usually be a string.
|
||
To undefine an abbrev, define it with EXPANSION = nil.
|
||
If HOOK is non-nil, it should be a function of no arguments;
|
||
it is called after EXPANSION is inserted.
|
||
If EXPANSION is not a string, the abbrev is a special one,
|
||
which does not expand in the usual way but only runs HOOK.
|
||
|
||
COUNT, if specified, gives the initial value for the abbrev's
|
||
usage-count, which is incremented each time the abbrev is used.
|
||
\(The default is zero.)
|
||
|
||
SYSTEM-FLAG, if non-nil, says that this is a "system" abbreviation
|
||
which should not be saved in the user's abbreviation file. */)
|
||
(table, name, expansion, hook, count, system_flag)
|
||
Lisp_Object table, name, expansion, hook, count, system_flag;
|
||
{
|
||
Lisp_Object sym, oexp, ohook, tem;
|
||
CHECK_VECTOR (table);
|
||
CHECK_STRING (name);
|
||
|
||
if (NILP (count))
|
||
count = make_number (0);
|
||
else
|
||
CHECK_NUMBER (count);
|
||
|
||
sym = Fintern (name, table);
|
||
|
||
oexp = SYMBOL_VALUE (sym);
|
||
ohook = XSYMBOL (sym)->function;
|
||
if (!((EQ (oexp, expansion)
|
||
|| (STRINGP (oexp) && STRINGP (expansion)
|
||
&& (tem = Fstring_equal (oexp, expansion), !NILP (tem))))
|
||
&&
|
||
(EQ (ohook, hook)
|
||
|| (tem = Fequal (ohook, hook), !NILP (tem))))
|
||
&& NILP (system_flag))
|
||
abbrevs_changed = 1;
|
||
|
||
Fset (sym, expansion);
|
||
Ffset (sym, hook);
|
||
|
||
if (! NILP (system_flag))
|
||
Fsetplist (sym, list4 (Qcount, count, Qsystem_type, system_flag));
|
||
else
|
||
Fsetplist (sym, count);
|
||
|
||
return name;
|
||
}
|
||
|
||
DEFUN ("define-global-abbrev", Fdefine_global_abbrev, Sdefine_global_abbrev, 2, 2,
|
||
"sDefine global abbrev: \nsExpansion for %s: ",
|
||
doc: /* Define ABBREV as a global abbreviation for EXPANSION. */)
|
||
(abbrev, expansion)
|
||
Lisp_Object abbrev, expansion;
|
||
{
|
||
Fdefine_abbrev (Vglobal_abbrev_table, Fdowncase (abbrev),
|
||
expansion, Qnil, make_number (0), Qnil);
|
||
return abbrev;
|
||
}
|
||
|
||
DEFUN ("define-mode-abbrev", Fdefine_mode_abbrev, Sdefine_mode_abbrev, 2, 2,
|
||
"sDefine mode abbrev: \nsExpansion for %s: ",
|
||
doc: /* Define ABBREV as a mode-specific abbreviation for EXPANSION. */)
|
||
(abbrev, expansion)
|
||
Lisp_Object abbrev, expansion;
|
||
{
|
||
if (NILP (current_buffer->abbrev_table))
|
||
error ("Major mode has no abbrev table");
|
||
|
||
Fdefine_abbrev (current_buffer->abbrev_table, Fdowncase (abbrev),
|
||
expansion, Qnil, make_number (0), Qnil);
|
||
return abbrev;
|
||
}
|
||
|
||
DEFUN ("abbrev-symbol", Fabbrev_symbol, Sabbrev_symbol, 1, 2, 0,
|
||
doc: /* Return the symbol representing abbrev named ABBREV.
|
||
This symbol's name is ABBREV, but it is not the canonical symbol of that name;
|
||
it is interned in an abbrev-table rather than the normal obarray.
|
||
The value is nil if that abbrev is not defined.
|
||
Optional second arg TABLE is abbrev table to look it up in.
|
||
The default is to try buffer's mode-specific abbrev table, then global table. */)
|
||
(abbrev, table)
|
||
Lisp_Object abbrev, table;
|
||
{
|
||
Lisp_Object sym;
|
||
CHECK_STRING (abbrev);
|
||
if (!NILP (table))
|
||
sym = Fintern_soft (abbrev, table);
|
||
else
|
||
{
|
||
sym = Qnil;
|
||
if (!NILP (current_buffer->abbrev_table))
|
||
sym = Fintern_soft (abbrev, current_buffer->abbrev_table);
|
||
if (NILP (SYMBOL_VALUE (sym)))
|
||
sym = Qnil;
|
||
if (NILP (sym))
|
||
sym = Fintern_soft (abbrev, Vglobal_abbrev_table);
|
||
}
|
||
if (NILP (SYMBOL_VALUE (sym)))
|
||
return Qnil;
|
||
return sym;
|
||
}
|
||
|
||
DEFUN ("abbrev-expansion", Fabbrev_expansion, Sabbrev_expansion, 1, 2, 0,
|
||
doc: /* Return the string that ABBREV expands into in the current buffer.
|
||
Optionally specify an abbrev table as second arg;
|
||
then ABBREV is looked up in that table only. */)
|
||
(abbrev, table)
|
||
Lisp_Object abbrev, table;
|
||
{
|
||
Lisp_Object sym;
|
||
sym = Fabbrev_symbol (abbrev, table);
|
||
if (NILP (sym)) return sym;
|
||
return Fsymbol_value (sym);
|
||
}
|
||
|
||
/* Expand the word before point, if it is an abbrev.
|
||
Returns 1 if an expansion is done. */
|
||
|
||
DEFUN ("expand-abbrev", Fexpand_abbrev, Sexpand_abbrev, 0, 0, "",
|
||
doc: /* Expand the abbrev before point, if there is an abbrev there.
|
||
Effective when explicitly called even when `abbrev-mode' is nil.
|
||
Returns the abbrev symbol, if expansion took place. */)
|
||
()
|
||
{
|
||
register char *buffer, *p;
|
||
int wordstart, wordend;
|
||
register int wordstart_byte, wordend_byte, idx, idx_byte;
|
||
int whitecnt;
|
||
int uccount = 0, lccount = 0;
|
||
register Lisp_Object sym;
|
||
Lisp_Object expansion, hook, tem;
|
||
Lisp_Object value;
|
||
int multibyte = ! NILP (current_buffer->enable_multibyte_characters);
|
||
|
||
value = Qnil;
|
||
|
||
Frun_hooks (1, &Qpre_abbrev_expand_hook);
|
||
|
||
wordstart = 0;
|
||
if (!(BUFFERP (Vabbrev_start_location_buffer)
|
||
&& XBUFFER (Vabbrev_start_location_buffer) == current_buffer))
|
||
Vabbrev_start_location = Qnil;
|
||
if (!NILP (Vabbrev_start_location))
|
||
{
|
||
tem = Vabbrev_start_location;
|
||
CHECK_NUMBER_COERCE_MARKER (tem);
|
||
wordstart = XINT (tem);
|
||
Vabbrev_start_location = Qnil;
|
||
if (wordstart < BEGV || wordstart > ZV)
|
||
wordstart = 0;
|
||
if (wordstart && wordstart != ZV)
|
||
{
|
||
wordstart_byte = CHAR_TO_BYTE (wordstart);
|
||
if (FETCH_BYTE (wordstart_byte) == '-')
|
||
del_range (wordstart, wordstart + 1);
|
||
}
|
||
}
|
||
if (!wordstart)
|
||
wordstart = scan_words (PT, -1);
|
||
|
||
if (!wordstart)
|
||
return value;
|
||
|
||
wordstart_byte = CHAR_TO_BYTE (wordstart);
|
||
wordend = scan_words (wordstart, 1);
|
||
if (!wordend)
|
||
return value;
|
||
|
||
if (wordend > PT)
|
||
wordend = PT;
|
||
|
||
wordend_byte = CHAR_TO_BYTE (wordend);
|
||
whitecnt = PT - wordend;
|
||
if (wordend <= wordstart)
|
||
return value;
|
||
|
||
p = buffer = (char *) alloca (wordend_byte - wordstart_byte);
|
||
|
||
for (idx = wordstart, idx_byte = wordstart_byte; idx < wordend; )
|
||
{
|
||
register int c;
|
||
|
||
if (multibyte)
|
||
{
|
||
FETCH_CHAR_ADVANCE (c, idx, idx_byte);
|
||
}
|
||
else
|
||
{
|
||
c = FETCH_BYTE (idx_byte);
|
||
idx++, idx_byte++;
|
||
}
|
||
|
||
if (UPPERCASEP (c))
|
||
c = DOWNCASE (c), uccount++;
|
||
else if (! NOCASEP (c))
|
||
lccount++;
|
||
if (multibyte)
|
||
p += CHAR_STRING (c, p);
|
||
else
|
||
*p++ = c;
|
||
}
|
||
|
||
if (VECTORP (current_buffer->abbrev_table))
|
||
sym = oblookup (current_buffer->abbrev_table, buffer,
|
||
wordend - wordstart, p - buffer);
|
||
else
|
||
XSETFASTINT (sym, 0);
|
||
|
||
if (INTEGERP (sym) || NILP (SYMBOL_VALUE (sym)))
|
||
sym = oblookup (Vglobal_abbrev_table, buffer,
|
||
wordend - wordstart, p - buffer);
|
||
if (INTEGERP (sym) || NILP (SYMBOL_VALUE (sym)))
|
||
return value;
|
||
|
||
if (INTERACTIVE && !EQ (minibuf_window, selected_window))
|
||
{
|
||
/* Add an undo boundary, in case we are doing this for
|
||
a self-inserting command which has avoided making one so far. */
|
||
SET_PT (wordend);
|
||
Fundo_boundary ();
|
||
}
|
||
|
||
Vlast_abbrev_text
|
||
= Fbuffer_substring (make_number (wordstart), make_number (wordend));
|
||
|
||
/* Now sym is the abbrev symbol. */
|
||
Vlast_abbrev = sym;
|
||
value = sym;
|
||
last_abbrev_point = wordstart;
|
||
|
||
/* Increment use count. */
|
||
if (INTEGERP (XSYMBOL (sym)->plist))
|
||
XSETINT (XSYMBOL (sym)->plist,
|
||
XINT (XSYMBOL (sym)->plist) + 1);
|
||
else if (INTEGERP (tem = Fget (sym, Qcount)))
|
||
Fput (sym, Qcount, make_number (XINT (tem) + 1));
|
||
|
||
/* If this abbrev has an expansion, delete the abbrev
|
||
and insert the expansion. */
|
||
expansion = SYMBOL_VALUE (sym);
|
||
if (STRINGP (expansion))
|
||
{
|
||
SET_PT (wordstart);
|
||
|
||
insert_from_string (expansion, 0, 0, SCHARS (expansion),
|
||
SBYTES (expansion), 1);
|
||
del_range_both (PT, PT_BYTE,
|
||
wordend + (PT - wordstart),
|
||
wordend_byte + (PT_BYTE - wordstart_byte),
|
||
1);
|
||
|
||
SET_PT (PT + whitecnt);
|
||
|
||
if (uccount && !lccount)
|
||
{
|
||
/* Abbrev was all caps */
|
||
/* If expansion is multiple words, normally capitalize each word */
|
||
/* This used to be if (!... && ... >= ...) Fcapitalize; else Fupcase
|
||
but Megatest 68000 compiler can't handle that */
|
||
if (!abbrev_all_caps)
|
||
if (scan_words (PT, -1) > scan_words (wordstart, 1))
|
||
{
|
||
Fupcase_initials_region (make_number (wordstart),
|
||
make_number (PT));
|
||
goto caped;
|
||
}
|
||
/* If expansion is one word, or if user says so, upcase it all. */
|
||
Fupcase_region (make_number (wordstart), make_number (PT));
|
||
caped: ;
|
||
}
|
||
else if (uccount)
|
||
{
|
||
/* Abbrev included some caps. Cap first initial of expansion */
|
||
int pos = wordstart_byte;
|
||
|
||
/* Find the initial. */
|
||
while (pos < PT_BYTE
|
||
&& SYNTAX (*BUF_BYTE_ADDRESS (current_buffer, pos)) != Sword)
|
||
pos++;
|
||
|
||
/* Change just that. */
|
||
pos = BYTE_TO_CHAR (pos);
|
||
Fupcase_initials_region (make_number (pos), make_number (pos + 1));
|
||
}
|
||
}
|
||
|
||
hook = XSYMBOL (sym)->function;
|
||
if (!NILP (hook))
|
||
{
|
||
Lisp_Object expanded, prop;
|
||
|
||
/* If the abbrev has a hook function, run it. */
|
||
expanded = call0 (hook);
|
||
|
||
/* In addition, if the hook function is a symbol with
|
||
a non-nil `no-self-insert' property, let the value it returned
|
||
specify whether we consider that an expansion took place. If
|
||
it returns nil, no expansion has been done. */
|
||
|
||
if (SYMBOLP (hook)
|
||
&& NILP (expanded)
|
||
&& (prop = Fget (hook, intern ("no-self-insert")),
|
||
!NILP (prop)))
|
||
value = Qnil;
|
||
}
|
||
|
||
return value;
|
||
}
|
||
|
||
DEFUN ("unexpand-abbrev", Funexpand_abbrev, Sunexpand_abbrev, 0, 0, "",
|
||
doc: /* Undo the expansion of the last abbrev that expanded.
|
||
This differs from ordinary undo in that other editing done since then
|
||
is not undone. */)
|
||
()
|
||
{
|
||
int opoint = PT;
|
||
int adjust = 0;
|
||
if (last_abbrev_point < BEGV
|
||
|| last_abbrev_point > ZV)
|
||
return Qnil;
|
||
SET_PT (last_abbrev_point);
|
||
if (STRINGP (Vlast_abbrev_text))
|
||
{
|
||
/* This isn't correct if Vlast_abbrev->function was used
|
||
to do the expansion */
|
||
Lisp_Object val;
|
||
int zv_before;
|
||
|
||
val = SYMBOL_VALUE (Vlast_abbrev);
|
||
if (!STRINGP (val))
|
||
error ("Value of `abbrev-symbol' must be a string");
|
||
zv_before = ZV;
|
||
del_range_byte (PT_BYTE, PT_BYTE + SBYTES (val), 1);
|
||
/* Don't inherit properties here; just copy from old contents. */
|
||
insert_from_string (Vlast_abbrev_text, 0, 0,
|
||
SCHARS (Vlast_abbrev_text),
|
||
SBYTES (Vlast_abbrev_text), 0);
|
||
Vlast_abbrev_text = Qnil;
|
||
/* Total number of characters deleted. */
|
||
adjust = ZV - zv_before;
|
||
}
|
||
SET_PT (last_abbrev_point < opoint ? opoint + adjust : opoint);
|
||
return Qnil;
|
||
}
|
||
|
||
static void
|
||
write_abbrev (sym, stream)
|
||
Lisp_Object sym, stream;
|
||
{
|
||
Lisp_Object name, count, system_flag;
|
||
|
||
if (INTEGERP (XSYMBOL (sym)->plist))
|
||
{
|
||
count = XSYMBOL (sym)->plist;
|
||
system_flag = Qnil;
|
||
}
|
||
else
|
||
{
|
||
count = Fget (sym, Qcount);
|
||
system_flag = Fget (sym, Qsystem_type);
|
||
}
|
||
|
||
if (NILP (SYMBOL_VALUE (sym)) || ! NILP (system_flag))
|
||
return;
|
||
|
||
insert (" (", 5);
|
||
name = SYMBOL_NAME (sym);
|
||
Fprin1 (name, stream);
|
||
insert (" ", 1);
|
||
Fprin1 (SYMBOL_VALUE (sym), stream);
|
||
insert (" ", 1);
|
||
Fprin1 (XSYMBOL (sym)->function, stream);
|
||
insert (" ", 1);
|
||
Fprin1 (count, stream);
|
||
insert (")\n", 2);
|
||
}
|
||
|
||
static void
|
||
describe_abbrev (sym, stream)
|
||
Lisp_Object sym, stream;
|
||
{
|
||
Lisp_Object one, count, system_flag;
|
||
|
||
if (INTEGERP (XSYMBOL (sym)->plist))
|
||
{
|
||
count = XSYMBOL (sym)->plist;
|
||
system_flag = Qnil;
|
||
}
|
||
else
|
||
{
|
||
count = Fget (sym, Qcount);
|
||
system_flag = Fget (sym, Qsystem_type);
|
||
}
|
||
|
||
if (NILP (SYMBOL_VALUE (sym)))
|
||
return;
|
||
|
||
one = make_number (1);
|
||
Fprin1 (Fsymbol_name (sym), stream);
|
||
|
||
if (!NILP (system_flag))
|
||
{
|
||
insert_string (" (sys)");
|
||
Findent_to (make_number (20), one);
|
||
}
|
||
else
|
||
Findent_to (make_number (15), one);
|
||
|
||
Fprin1 (count, stream);
|
||
Findent_to (make_number (20), one);
|
||
Fprin1 (SYMBOL_VALUE (sym), stream);
|
||
if (!NILP (XSYMBOL (sym)->function))
|
||
{
|
||
Findent_to (make_number (45), one);
|
||
Fprin1 (XSYMBOL (sym)->function, stream);
|
||
}
|
||
Fterpri (stream);
|
||
}
|
||
|
||
static void
|
||
record_symbol (sym, list)
|
||
Lisp_Object sym, list;
|
||
{
|
||
XSETCDR (list, Fcons (sym, XCDR (list)));
|
||
}
|
||
|
||
DEFUN ("insert-abbrev-table-description", Finsert_abbrev_table_description,
|
||
Sinsert_abbrev_table_description, 1, 2, 0,
|
||
doc: /* Insert before point a full description of abbrev table named NAME.
|
||
NAME is a symbol whose value is an abbrev table.
|
||
If optional 2nd arg READABLE is non-nil, a human-readable description
|
||
is inserted. Otherwise the description is an expression,
|
||
a call to `define-abbrev-table', which would
|
||
define the abbrev table NAME exactly as it is currently defined.
|
||
|
||
Abbrevs marked as "system abbrevs" are normally omitted. However, if
|
||
READABLE is non-nil, they are listed. */)
|
||
(name, readable)
|
||
Lisp_Object name, readable;
|
||
{
|
||
Lisp_Object table;
|
||
Lisp_Object symbols;
|
||
Lisp_Object stream;
|
||
|
||
CHECK_SYMBOL (name);
|
||
table = Fsymbol_value (name);
|
||
CHECK_VECTOR (table);
|
||
|
||
XSETBUFFER (stream, current_buffer);
|
||
|
||
symbols = Fcons (Qnil, Qnil);
|
||
map_obarray (table, record_symbol, symbols);
|
||
symbols = XCDR (symbols);
|
||
symbols = Fsort (symbols, Qstring_lessp);
|
||
|
||
if (!NILP (readable))
|
||
{
|
||
insert_string ("(");
|
||
Fprin1 (name, stream);
|
||
insert_string (")\n\n");
|
||
while (! NILP (symbols))
|
||
{
|
||
describe_abbrev (XCAR (symbols), stream);
|
||
symbols = XCDR (symbols);
|
||
}
|
||
|
||
insert_string ("\n\n");
|
||
}
|
||
else
|
||
{
|
||
insert_string ("(define-abbrev-table '");
|
||
Fprin1 (name, stream);
|
||
insert_string (" '(\n");
|
||
while (! NILP (symbols))
|
||
{
|
||
write_abbrev (XCAR (symbols), stream);
|
||
symbols = XCDR (symbols);
|
||
}
|
||
insert_string (" ))\n\n");
|
||
}
|
||
|
||
return Qnil;
|
||
}
|
||
|
||
DEFUN ("define-abbrev-table", Fdefine_abbrev_table, Sdefine_abbrev_table,
|
||
2, 2, 0,
|
||
doc: /* Define TABLENAME (a symbol) as an abbrev table name.
|
||
Define abbrevs in it according to DEFINITIONS, which is a list of elements
|
||
of the form (ABBREVNAME EXPANSION HOOK USECOUNT SYSTEMFLAG).
|
||
\(If the list is shorter than that, omitted elements default to nil). */)
|
||
(tablename, definitions)
|
||
Lisp_Object tablename, definitions;
|
||
{
|
||
Lisp_Object name, exp, hook, count;
|
||
Lisp_Object table, elt, sys;
|
||
|
||
CHECK_SYMBOL (tablename);
|
||
table = Fboundp (tablename);
|
||
if (NILP (table) || (table = Fsymbol_value (tablename), NILP (table)))
|
||
{
|
||
table = Fmake_abbrev_table ();
|
||
Fset (tablename, table);
|
||
Vabbrev_table_name_list = Fcons (tablename, Vabbrev_table_name_list);
|
||
}
|
||
CHECK_VECTOR (table);
|
||
|
||
for (; CONSP (definitions); definitions = XCDR (definitions))
|
||
{
|
||
elt = XCAR (definitions);
|
||
name = Fcar (elt); elt = Fcdr (elt);
|
||
exp = Fcar (elt); elt = Fcdr (elt);
|
||
hook = Fcar (elt); elt = Fcdr (elt);
|
||
count = Fcar (elt); elt = Fcdr (elt);
|
||
sys = Fcar (elt);
|
||
Fdefine_abbrev (table, name, exp, hook, count, sys);
|
||
}
|
||
return Qnil;
|
||
}
|
||
|
||
void
|
||
syms_of_abbrev ()
|
||
{
|
||
Qsystem_type = intern ("system-type");
|
||
staticpro (&Qsystem_type);
|
||
|
||
Qcount = intern ("count");
|
||
staticpro (&Qcount);
|
||
|
||
DEFVAR_LISP ("abbrev-table-name-list", &Vabbrev_table_name_list,
|
||
doc: /* List of symbols whose values are abbrev tables. */);
|
||
Vabbrev_table_name_list = Fcons (intern ("fundamental-mode-abbrev-table"),
|
||
Fcons (intern ("global-abbrev-table"),
|
||
Qnil));
|
||
|
||
DEFVAR_LISP ("global-abbrev-table", &Vglobal_abbrev_table,
|
||
doc: /* The abbrev table whose abbrevs affect all buffers.
|
||
Each buffer may also have a local abbrev table.
|
||
If it does, the local table overrides the global one
|
||
for any particular abbrev defined in both. */);
|
||
Vglobal_abbrev_table = Fmake_abbrev_table ();
|
||
|
||
DEFVAR_LISP ("fundamental-mode-abbrev-table", &Vfundamental_mode_abbrev_table,
|
||
doc: /* The abbrev table of mode-specific abbrevs for Fundamental Mode. */);
|
||
Vfundamental_mode_abbrev_table = Fmake_abbrev_table ();
|
||
current_buffer->abbrev_table = Vfundamental_mode_abbrev_table;
|
||
buffer_defaults.abbrev_table = Vfundamental_mode_abbrev_table;
|
||
|
||
DEFVAR_LISP ("last-abbrev", &Vlast_abbrev,
|
||
doc: /* The abbrev-symbol of the last abbrev expanded. See `abbrev-symbol'. */);
|
||
|
||
DEFVAR_LISP ("last-abbrev-text", &Vlast_abbrev_text,
|
||
doc: /* The exact text of the last abbrev expanded.
|
||
nil if the abbrev has already been unexpanded. */);
|
||
|
||
DEFVAR_INT ("last-abbrev-location", &last_abbrev_point,
|
||
doc: /* The location of the start of the last abbrev expanded. */);
|
||
|
||
Vlast_abbrev = Qnil;
|
||
Vlast_abbrev_text = Qnil;
|
||
last_abbrev_point = 0;
|
||
|
||
DEFVAR_LISP ("abbrev-start-location", &Vabbrev_start_location,
|
||
doc: /* Buffer position for `expand-abbrev' to use as the start of the abbrev.
|
||
When nil, use the word before point as the abbrev.
|
||
Calling `expand-abbrev' sets this to nil. */);
|
||
Vabbrev_start_location = Qnil;
|
||
|
||
DEFVAR_LISP ("abbrev-start-location-buffer", &Vabbrev_start_location_buffer,
|
||
doc: /* Buffer that `abbrev-start-location' has been set for.
|
||
Trying to expand an abbrev in any other buffer clears `abbrev-start-location'. */);
|
||
Vabbrev_start_location_buffer = Qnil;
|
||
|
||
DEFVAR_PER_BUFFER ("local-abbrev-table", ¤t_buffer->abbrev_table, Qnil,
|
||
doc: /* Local (mode-specific) abbrev table of current buffer. */);
|
||
|
||
DEFVAR_BOOL ("abbrevs-changed", &abbrevs_changed,
|
||
doc: /* Set non-nil by defining or altering any word abbrevs.
|
||
This causes `save-some-buffers' to offer to save the abbrevs. */);
|
||
abbrevs_changed = 0;
|
||
|
||
DEFVAR_BOOL ("abbrev-all-caps", &abbrev_all_caps,
|
||
doc: /* *Set non-nil means expand multi-word abbrevs all caps if abbrev was so. */);
|
||
abbrev_all_caps = 0;
|
||
|
||
DEFVAR_LISP ("pre-abbrev-expand-hook", &Vpre_abbrev_expand_hook,
|
||
doc: /* Function or functions to be called before abbrev expansion is done.
|
||
This is the first thing that `expand-abbrev' does, and so this may change
|
||
the current abbrev table before abbrev lookup happens. */);
|
||
Vpre_abbrev_expand_hook = Qnil;
|
||
Qpre_abbrev_expand_hook = intern ("pre-abbrev-expand-hook");
|
||
staticpro (&Qpre_abbrev_expand_hook);
|
||
|
||
defsubr (&Smake_abbrev_table);
|
||
defsubr (&Sclear_abbrev_table);
|
||
defsubr (&Sdefine_abbrev);
|
||
defsubr (&Sdefine_global_abbrev);
|
||
defsubr (&Sdefine_mode_abbrev);
|
||
defsubr (&Sabbrev_expansion);
|
||
defsubr (&Sabbrev_symbol);
|
||
defsubr (&Sexpand_abbrev);
|
||
defsubr (&Sunexpand_abbrev);
|
||
defsubr (&Sinsert_abbrev_table_description);
|
||
defsubr (&Sdefine_abbrev_table);
|
||
}
|
||
|
||
/* arch-tag: b721db69-f633-44a8-a361-c275acbdad7d
|
||
(do not change this comment) */
|