cmds.c 16.4 KB
Newer Older
Jim Blandy's avatar
Jim Blandy committed
1
/* Simple built-in editing commands.
2 3

Copyright (C) 1985, 1993-1998, 2001-2011  Free Software Foundation, Inc.
Jim Blandy's avatar
Jim Blandy committed
4 5 6

This file is part of GNU Emacs.

7
GNU Emacs is free software: you can redistribute it and/or modify
Jim Blandy's avatar
Jim Blandy committed
8
it under the terms of the GNU General Public License as published by
9 10
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Jim Blandy's avatar
Jim Blandy committed
11 12 13 14 15 16 17

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
18
along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
Jim Blandy's avatar
Jim Blandy committed
19 20


21
#include <config.h>
22
#include <setjmp.h>
Jim Blandy's avatar
Jim Blandy committed
23 24 25
#include "lisp.h"
#include "commands.h"
#include "buffer.h"
26
#include "character.h"
Jim Blandy's avatar
Jim Blandy committed
27
#include "syntax.h"
Richard M. Stallman's avatar
Richard M. Stallman committed
28
#include "window.h"
29
#include "keyboard.h"
Stefan Monnier's avatar
Stefan Monnier committed
30
#include "keymap.h"
Andreas Schwab's avatar
Andreas Schwab committed
31
#include "dispextern.h"
Andreas Schwab's avatar
Andreas Schwab committed
32
#include "frame.h"
Jim Blandy's avatar
Jim Blandy committed
33

34
static Lisp_Object Qkill_forward_chars, Qkill_backward_chars;
Jim Blandy's avatar
Jim Blandy committed
35

36
/* A possible value for a buffer's overwrite-mode variable.  */
37
static Lisp_Object Qoverwrite_mode_binary;
38

39
static int internal_self_insert (int, EMACS_INT);
Jim Blandy's avatar
Jim Blandy committed
40

Karl Heuer's avatar
Karl Heuer committed
41
DEFUN ("forward-point", Fforward_point, Sforward_point, 1, 1, 0,
42
       doc: /* Return buffer position N characters after (before if N negative) point.  */)
Dan Nicolaescu's avatar
Dan Nicolaescu committed
43
  (Lisp_Object n)
Karl Heuer's avatar
Karl Heuer committed
44
{
45
  CHECK_NUMBER (n);
Karl Heuer's avatar
Karl Heuer committed
46

47
  return make_number (PT + XINT (n));
Karl Heuer's avatar
Karl Heuer committed
48 49
}

50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84
/* Add N to point; or subtract N if FORWARD is zero.  N defaults to 1.
   Validate the new location.  Return nil.  */
static Lisp_Object
move_point (Lisp_Object n, int forward)
{
  /* This used to just set point to point + XINT (n), and then check
     to see if it was within boundaries.  But now that SET_PT can
     potentially do a lot of stuff (calling entering and exiting
     hooks, etcetera), that's not a good approach.  So we validate the
     proposed position, then set point.  */

  EMACS_INT new_point;

  if (NILP (n))
    XSETFASTINT (n, 1);
  else
    CHECK_NUMBER (n);

  new_point = PT + (forward ? XINT (n) : - XINT (n));

  if (new_point < BEGV)
    {
      SET_PT (BEGV);
      xsignal0 (Qbeginning_of_buffer);
    }
  if (new_point > ZV)
    {
      SET_PT (ZV);
      xsignal0 (Qend_of_buffer);
    }

  SET_PT (new_point);
  return Qnil;
}

Paul Eggert's avatar
Paul Eggert committed
85
DEFUN ("forward-char", Fforward_char, Sforward_char, 0, 1, "^p",
86 87 88 89 90
       doc: /* Move point N characters forward (backward if N is negative).
On reaching end or beginning of buffer, stop and signal error.

Depending on the bidirectional context, the movement may be to the
right or to the left on the screen.  This is in contrast with
91
\\[right-char], which see.  */)
Dan Nicolaescu's avatar
Dan Nicolaescu committed
92
  (Lisp_Object n)
Jim Blandy's avatar
Jim Blandy committed
93
{
94
  return move_point (n, 1);
Jim Blandy's avatar
Jim Blandy committed
95 96
}

97
DEFUN ("backward-char", Fbackward_char, Sbackward_char, 0, 1, "^p",
98 99 100 101 102
       doc: /* Move point N characters backward (forward if N is negative).
On attempt to pass beginning or end of buffer, stop and signal error.

Depending on the bidirectional context, the movement may be to the
right or to the left on the screen.  This is in contrast with
103
\\[left-char], which see.  */)
Dan Nicolaescu's avatar
Dan Nicolaescu committed
104
  (Lisp_Object n)
Jim Blandy's avatar
Jim Blandy committed
105
{
106
  return move_point (n, 0);
Jim Blandy's avatar
Jim Blandy committed
107 108
}

Paul Eggert's avatar
Paul Eggert committed
109
DEFUN ("forward-line", Fforward_line, Sforward_line, 0, 1, "^p",
110
       doc: /* Move N lines forward (backward if N is negative).
111 112
Precisely, if point is on line I, move to the start of line I + N
\("start of line" in the logical order).
113 114 115 116
If there isn't room, go as far as possible (no error).
Returns the count of lines left to move.  If moving forward,
that is N - number of lines moved; if backward, N + number moved.
With positive N, a non-empty line at the end counts as one line
117
successfully moved (for the return value).  */)
Dan Nicolaescu's avatar
Dan Nicolaescu committed
118
  (Lisp_Object n)
Jim Blandy's avatar
Jim Blandy committed
119
{
120 121
  ptrdiff_t opoint = PT, opoint_byte = PT_BYTE;
  ptrdiff_t pos, pos_byte;
122
  EMACS_INT count, shortage;
Jim Blandy's avatar
Jim Blandy committed
123

Jim Blandy's avatar
Jim Blandy committed
124
  if (NILP (n))
Jim Blandy's avatar
Jim Blandy committed
125 126 127
    count = 1;
  else
    {
128
      CHECK_NUMBER (n);
Jim Blandy's avatar
Jim Blandy committed
129 130 131
      count = XINT (n);
    }

132 133 134 135 136 137 138 139 140 141 142 143 144
  if (count <= 0)
    shortage = scan_newline (PT, PT_BYTE, BEGV, BEGV_BYTE, count - 1, 1);
  else
    shortage = scan_newline (PT, PT_BYTE, ZV, ZV_BYTE, count, 1);

  /* Since scan_newline does TEMP_SET_PT_BOTH,
     and we want to set PT "for real",
     go back to the old point and then come back here.  */
  pos = PT;
  pos_byte = PT_BYTE;
  TEMP_SET_PT_BOTH (opoint, opoint_byte);
  SET_PT_BOTH (pos, pos_byte);

Jim Blandy's avatar
Jim Blandy committed
145
  if (shortage > 0
146
      && (count <= 0
Jim Blandy's avatar
Jim Blandy committed
147
	  || (ZV > BEGV
148 149
	      && PT != opoint
	      && (FETCH_BYTE (PT_BYTE - 1) != '\n'))))
Jim Blandy's avatar
Jim Blandy committed
150
    shortage--;
151 152

  return make_number (count <= 0 ? - shortage : shortage);
Jim Blandy's avatar
Jim Blandy committed
153 154
}

155
DEFUN ("beginning-of-line", Fbeginning_of_line, Sbeginning_of_line, 0, 1, "^p",
156
       doc: /* Move point to beginning of current line (in the logical order).
157 158 159
With argument N not nil or 1, move forward N - 1 lines first.
If point reaches the beginning or end of buffer, it stops there.

160
This function constrains point to the current field unless this moves
161 162
point to a different line than the original, unconstrained result.
If N is nil or 1, and a front-sticky field starts at point, the point
163
does not move.  To ignore field boundaries bind
164 165 166
`inhibit-field-text-motion' to t, or use the `forward-line' function
instead.  For instance, `(forward-line 0)' does the same thing as
`(beginning-of-line)', except that it ignores field boundaries.  */)
Dan Nicolaescu's avatar
Dan Nicolaescu committed
167
  (Lisp_Object n)
Jim Blandy's avatar
Jim Blandy committed
168
{
Jim Blandy's avatar
Jim Blandy committed
169
  if (NILP (n))
170
    XSETFASTINT (n, 1);
Jim Blandy's avatar
Jim Blandy committed
171
  else
172
    CHECK_NUMBER (n);
Jim Blandy's avatar
Jim Blandy committed
173

174
  SET_PT (XINT (Fline_beginning_position (n)));
175

Jim Blandy's avatar
Jim Blandy committed
176 177 178
  return Qnil;
}

Paul Eggert's avatar
Paul Eggert committed
179
DEFUN ("end-of-line", Fend_of_line, Send_of_line, 0, 1, "^p",
180
       doc: /* Move point to end of current line (in the logical order).
181 182
With argument N not nil or 1, move forward N - 1 lines first.
If point reaches the beginning or end of buffer, it stops there.
Kenichi Handa's avatar
Kenichi Handa committed
183
To ignore intangibility, bind `inhibit-point-motion-hooks' to t.
184

185 186 187 188 189
This function constrains point to the current field unless this moves
point to a different line than the original, unconstrained result.  If
N is nil or 1, and a rear-sticky field ends at point, the point does
not move.  To ignore field boundaries bind `inhibit-field-text-motion'
to t.  */)
Dan Nicolaescu's avatar
Dan Nicolaescu committed
190
  (Lisp_Object n)
Jim Blandy's avatar
Jim Blandy committed
191
{
192
  ptrdiff_t newpos;
193

Jim Blandy's avatar
Jim Blandy committed
194
  if (NILP (n))
195
    XSETFASTINT (n, 1);
Jim Blandy's avatar
Jim Blandy committed
196
  else
197
    CHECK_NUMBER (n);
Jim Blandy's avatar
Jim Blandy committed
198

199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223
  while (1)
    {
      newpos = XINT (Fline_end_position (n));
      SET_PT (newpos);

      if (PT > newpos
	  && FETCH_CHAR (PT - 1) == '\n')
	{
	  /* If we skipped over a newline that follows
	     an invisible intangible run,
	     move back to the last tangible position
	     within the line.  */

	  SET_PT (PT - 1);
	  break;
	}
      else if (PT > newpos && PT < ZV
	       && FETCH_CHAR (PT) != '\n')
	/* If we skipped something intangible
	   and now we're not really at eol,
	   keep going.  */
	n = make_number (1);
      else
	break;
    }
Jim Blandy's avatar
Jim Blandy committed
224 225 226 227 228

  return Qnil;
}

DEFUN ("delete-char", Fdelete_char, Sdelete_char, 1, 2, "p\nP",
229 230 231
       doc: /* Delete the following N characters (previous if N is negative).
Optional second arg KILLFLAG non-nil means kill instead (save in kill ring).
Interactively, N is the prefix arg, and KILLFLAG is set if
232 233
N was explicitly specified.

234
The command `delete-forward-char' is preferable for interactive use.  */)
Dan Nicolaescu's avatar
Dan Nicolaescu committed
235
  (Lisp_Object n, Lisp_Object killflag)
Jim Blandy's avatar
Jim Blandy committed
236
{
237
  EMACS_INT pos;
Karl Heuer's avatar
Karl Heuer committed
238

239
  CHECK_NUMBER (n);
Jim Blandy's avatar
Jim Blandy committed
240

241
  pos = PT + XINT (n);
Jim Blandy's avatar
Jim Blandy committed
242
  if (NILP (killflag))
Jim Blandy's avatar
Jim Blandy committed
243 244 245
    {
      if (XINT (n) < 0)
	{
Karl Heuer's avatar
Karl Heuer committed
246
	  if (pos < BEGV)
247
	    xsignal0 (Qbeginning_of_buffer);
Jim Blandy's avatar
Jim Blandy committed
248
	  else
Karl Heuer's avatar
Karl Heuer committed
249
	    del_range (pos, PT);
Jim Blandy's avatar
Jim Blandy committed
250 251 252
	}
      else
	{
Karl Heuer's avatar
Karl Heuer committed
253
	  if (pos > ZV)
254
	    xsignal0 (Qend_of_buffer);
Jim Blandy's avatar
Jim Blandy committed
255
	  else
Karl Heuer's avatar
Karl Heuer committed
256
	    del_range (PT, pos);
Jim Blandy's avatar
Jim Blandy committed
257 258 259 260 261 262 263 264 265
	}
    }
  else
    {
      call1 (Qkill_forward_chars, n);
    }
  return Qnil;
}

266
static int nonundocount;
267

268 269
/* Note that there's code in command_loop_1 which typically avoids
   calling this.  */
Jim Blandy's avatar
Jim Blandy committed
270
DEFUN ("self-insert-command", Fself_insert_command, Sself_insert_command, 1, 1, "p",
271
       doc: /* Insert the character you type.
272 273 274 275
Whichever character you type to run this command is inserted.
Before insertion, `expand-abbrev' is executed if the inserted character does
not have word syntax and the previous character in the buffer does.
After insertion, the value of `auto-fill-function' is called if the
276 277
`auto-fill-chars' table has a non-nil value for the inserted character.
At the end, it runs `post-self-insert-hook'.  */)
Dan Nicolaescu's avatar
Dan Nicolaescu committed
278
  (Lisp_Object n)
Jim Blandy's avatar
Jim Blandy committed
279
{
280
  int remove_boundary = 1;
281
  CHECK_NATNUM (n);
282

283
  if (!EQ (Vthis_command, KVAR (current_kboard, Vlast_command)))
284 285 286 287 288 289 290 291 292 293 294 295 296 297
    nonundocount = 0;

  if (NILP (Vexecuting_kbd_macro)
      && !EQ (minibuf_window, selected_window))
    {
      if (nonundocount <= 0 || nonundocount >= 20)
	{
	  remove_boundary = 0;
	  nonundocount = 0;
	}
      nonundocount++;
    }

  if (remove_boundary
Tom Tromey's avatar
Tom Tromey committed
298 299
      && CONSP (BVAR (current_buffer, undo_list))
      && NILP (XCAR (BVAR (current_buffer, undo_list))))
300
    /* Remove the undo_boundary that was just pushed.  */
Tom Tromey's avatar
Tom Tromey committed
301
    BVAR (current_buffer, undo_list) = XCDR (BVAR (current_buffer, undo_list));
Jim Blandy's avatar
Jim Blandy committed
302 303

  /* Barf if the key that invoked this was not a character.  */
304
  if (!CHARACTERP (last_command_event))
Jim Blandy's avatar
Jim Blandy committed
305
    bitch_at_user ();
306 307
  {
    int character = translate_char (Vtranslation_table_for_input,
308
				    XINT (last_command_event));
309
    int val = internal_self_insert (character, XFASTINT (n));
310 311 312
    if (val == 2)
      nonundocount = 0;
    frame_make_pointer_invisible ();
313
  }
Jim Blandy's avatar
Jim Blandy committed
314 315 316 317

  return Qnil;
}

318
/* Insert N times character C
319 320

   If this insertion is suitable for direct output (completely simple),
321 322
   return 0.  A value of 1 indicates this *might* not have been simple.
   A value of 2 means this did things that call for an undo boundary.  */
323

Stefan Monnier's avatar
Stefan Monnier committed
324
static Lisp_Object Qexpand_abbrev;
325
static Lisp_Object Qpost_self_insert_hook;
Stefan Monnier's avatar
Stefan Monnier committed
326

327
static int
328
internal_self_insert (int c, EMACS_INT n)
Jim Blandy's avatar
Jim Blandy committed
329 330 331 332
{
  int hairy = 0;
  Lisp_Object tem;
  register enum syntaxcode synt;
333
  Lisp_Object overwrite;
Karl Heuer's avatar
Karl Heuer committed
334 335 336
  /* Length of multi-byte form of C.  */
  int len;
  /* Working buffer and pointer for multi-byte form of C.  */
337
  unsigned char str[MAX_MULTIBYTE_LENGTH];
338 339
  ptrdiff_t chars_to_delete = 0;
  ptrdiff_t spaces_to_insert = 0;
Jim Blandy's avatar
Jim Blandy committed
340

Tom Tromey's avatar
Tom Tromey committed
341
  overwrite = BVAR (current_buffer, overwrite_mode);
342
  if (!NILP (Vbefore_change_functions) || !NILP (Vafter_change_functions))
Jim Blandy's avatar
Jim Blandy committed
343 344
    hairy = 1;

Karl Heuer's avatar
Karl Heuer committed
345
  /* At first, get multi-byte form of C in STR.  */
Tom Tromey's avatar
Tom Tromey committed
346
  if (!NILP (BVAR (current_buffer, enable_multibyte_characters)))
347
    {
348
      len = CHAR_STRING (c, str);
349 350 351 352
      if (len == 1)
	/* If C has modifier bits, this makes C an appropriate
           one-byte char.  */
	c = *str;
353
    }
Karl Heuer's avatar
Karl Heuer committed
354
  else
355
    {
356 357
      str[0] = (SINGLE_BYTE_CHAR_P (c)
		? c
358
		: multibyte_char_to_unibyte (c));
359 360
      len = 1;
    }
361
  if (!NILP (overwrite)
Karl Heuer's avatar
Karl Heuer committed
362
      && PT < ZV)
Jim Blandy's avatar
Jim Blandy committed
363
    {
Karl Heuer's avatar
Karl Heuer committed
364 365 366 367 368 369 370 371 372
      /* In overwrite-mode, we substitute a character at point (C2,
	 hereafter) by C.  For that, we delete C2 in advance.  But,
	 just substituting C2 by C may move a remaining text in the
	 line to the right or to the left, which is not preferable.
	 So we insert more spaces or delete more characters in the
	 following cases: if C is narrower than C2, after deleting C2,
	 we fill columns with spaces, if C is wider than C2, we delete
	 C2 and several characters following C2.  */

373 374 375
      /* This is the character after point.  */
      int c2 = FETCH_CHAR (PT_BYTE);

376 377
      int cwidth;

378 379 380 381 382
      /* Overwriting in binary-mode always replaces C2 by C.
	 Overwriting in textual-mode doesn't always do that.
	 It inserts newlines in the usual way,
	 and inserts any character at end of line
	 or before a tab if it doesn't use the whole width of the tab.  */
383
      if (EQ (overwrite, Qoverwrite_mode_binary))
384 385 386
	chars_to_delete = min (n, PTRDIFF_MAX);
      else if (c != '\n' && c2 != '\n'
	       && (cwidth = XFASTINT (Fchar_width (make_number (c)))) != 0)
Karl Heuer's avatar
Karl Heuer committed
387
	{
388 389 390
	  ptrdiff_t pos = PT;
	  ptrdiff_t pos_byte = PT_BYTE;
	  ptrdiff_t curcol = current_column ();
391

392
	  if (n <= (min (MOST_POSITIVE_FIXNUM, PTRDIFF_MAX) - curcol) / cwidth)
393
	    {
394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421
	      /* Column the cursor should be placed at after this insertion.
		 The value should be calculated only when necessary.  */
	      ptrdiff_t target_clm = curcol + n * cwidth;

	      /* The actual cursor position after the trial of moving
		 to column TARGET_CLM.  It is greater than TARGET_CLM
		 if the TARGET_CLM is middle of multi-column
		 character.  In that case, the new point is set after
		 that character.  */
	      ptrdiff_t actual_clm
		= XFASTINT (Fmove_to_column (make_number (target_clm), Qnil));

	      chars_to_delete = PT - pos;

	      if (actual_clm > target_clm)
		{
		  /* We will delete too many columns.  Let's fill columns
		     by spaces so that the remaining text won't move.  */
		  ptrdiff_t actual = PT_BYTE;
		  DEC_POS (actual);
		  if (FETCH_CHAR (actual) == '\t')
		    /* Rather than add spaces, let's just keep the tab. */
		    chars_to_delete--;
		  else
		    spaces_to_insert = actual_clm - target_clm;
		}

	      SET_PT_BOTH (pos, pos_byte);
422
	    }
Karl Heuer's avatar
Karl Heuer committed
423
	}
424
      hairy = 2;
Jim Blandy's avatar
Jim Blandy committed
425
    }
426 427 428

  synt = SYNTAX (c);

Tom Tromey's avatar
Tom Tromey committed
429
  if (!NILP (BVAR (current_buffer, abbrev_mode))
430
      && synt != Sword
Tom Tromey's avatar
Tom Tromey committed
431
      && NILP (BVAR (current_buffer, read_only))
432
      && PT > BEGV
Tom Tromey's avatar
Tom Tromey committed
433
      && (SYNTAX (!NILP (BVAR (current_buffer, enable_multibyte_characters))
Stefan Monnier's avatar
Stefan Monnier committed
434 435 436
		  ? XFASTINT (Fprevious_char ())
		  : UNIBYTE_TO_CHAR (XFASTINT (Fprevious_char ())))
	  == Sword))
Jim Blandy's avatar
Jim Blandy committed
437
    {
438
      int modiff = MODIFF;
439 440
      Lisp_Object sym;

Stefan Monnier's avatar
Stefan Monnier committed
441
      sym = call0 (Qexpand_abbrev);
442

Richard M. Stallman's avatar
Richard M. Stallman committed
443
      /* If we expanded an abbrev which has a hook,
444
	 and the hook has a non-nil `no-self-insert' property,
445
	 return right away--don't really self-insert.  */
446
      if (SYMBOLP (sym) && ! NILP (sym) && ! NILP (XSYMBOL (sym)->function)
447
	  && SYMBOLP (XSYMBOL (sym)->function))
448 449
	{
	  Lisp_Object prop;
450
	  prop = Fget (XSYMBOL (sym)->function, intern ("no-self-insert"));
451
	  if (! NILP (prop))
452
	    return 1;
453 454
	}

455
      if (MODIFF != modiff)
456
	hairy = 2;
Jim Blandy's avatar
Jim Blandy committed
457
    }
458

459
  if (chars_to_delete)
460
    {
Tom Tromey's avatar
Tom Tromey committed
461
      int mc = ((NILP (BVAR (current_buffer, enable_multibyte_characters))
462 463 464
		 && SINGLE_BYTE_CHAR_P (c))
		? UNIBYTE_TO_CHAR (c) : c);
      Lisp_Object string = Fmake_string (make_number (n), make_number (mc));
Eli Zaretskii's avatar
Eli Zaretskii committed
465

466 467 468 469
      if (spaces_to_insert)
	{
	  tem = Fmake_string (make_number (spaces_to_insert),
			      make_number (' '));
470
	  string = concat2 (string, tem);
471 472
	}

473
      replace_range (PT, PT + chars_to_delete, string, 1, 1, 1);
474
      move_point (n + spaces_to_insert, 1);
475 476 477 478
    }
  else if (n > 1)
    {
      USE_SAFE_ALLOCA;
479
      char *strn, *p;
480
      SAFE_NALLOCA (strn, len, n);
481 482 483 484
      for (p = strn; n > 0; n--, p += len)
	memcpy (p, str, len);
      insert_and_inherit (strn, p - strn);
      SAFE_FREE ();
485
    }
486
  else if (n > 0)
487
    insert_and_inherit ((char *) str, len);
488

489 490 491
  if ((CHAR_TABLE_P (Vauto_fill_chars)
       ? !NILP (CHAR_TABLE_REF (Vauto_fill_chars, c))
       : (c == ' ' || c == '\n'))
Tom Tromey's avatar
Tom Tromey committed
492
      && !NILP (BVAR (current_buffer, auto_fill_function)))
Jim Blandy's avatar
Jim Blandy committed
493
    {
494
      Lisp_Object auto_fill_result;
495

Karl Heuer's avatar
Karl Heuer committed
496
      if (c == '\n')
497 498 499 500
	/* After inserting a newline, move to previous line and fill
	   that.  Must have the newline in place already so filling and
	   justification, if any, know where the end is going to be.  */
	SET_PT_BOTH (PT - 1, PT_BYTE - 1);
501
      auto_fill_result = call0 (BVAR (current_buffer, auto_fill_function));
502 503
      /* Test PT < ZV in case the auto-fill-function is strange.  */
      if (c == '\n' && PT < ZV)
504
	SET_PT_BOTH (PT + 1, PT_BYTE + 1);
505
      if (!NILP (auto_fill_result))
506
	hairy = 2;
Jim Blandy's avatar
Jim Blandy committed
507
    }
508

Stefan Monnier's avatar
Stefan Monnier committed
509
  /* Run hooks for electric keys.  */
510
  Frun_hooks (1, &Qpost_self_insert_hook);
Stefan Monnier's avatar
Stefan Monnier committed
511

Jim Blandy's avatar
Jim Blandy committed
512 513 514 515 516
  return hairy;
}

/* module initialization */

Andreas Schwab's avatar
Andreas Schwab committed
517
void
518
syms_of_cmds (void)
Jim Blandy's avatar
Jim Blandy committed
519
{
520 521 522 523 524
  DEFSYM (Qkill_backward_chars, "kill-backward-chars");
  DEFSYM (Qkill_forward_chars, "kill-forward-chars");
  DEFSYM (Qoverwrite_mode_binary, "overwrite-mode-binary");
  DEFSYM (Qexpand_abbrev, "expand-abbrev");
  DEFSYM (Qpost_self_insert_hook, "post-self-insert-hook");
525

526
  DEFVAR_LISP ("post-self-insert-hook", Vpost_self_insert_hook,
Stefan Monnier's avatar
Stefan Monnier committed
527
	       doc: /* Hook run at the end of `self-insert-command'.
528
This is run after inserting the character.  */);
Stefan Monnier's avatar
Stefan Monnier committed
529
  Vpost_self_insert_hook = Qnil;
530

Karl Heuer's avatar
Karl Heuer committed
531
  defsubr (&Sforward_point);
Jim Blandy's avatar
Jim Blandy committed
532 533 534 535 536 537 538 539 540 541
  defsubr (&Sforward_char);
  defsubr (&Sbackward_char);
  defsubr (&Sforward_line);
  defsubr (&Sbeginning_of_line);
  defsubr (&Send_of_line);

  defsubr (&Sdelete_char);
  defsubr (&Sself_insert_command);
}

Andreas Schwab's avatar
Andreas Schwab committed
542
void
543
keys_of_cmds (void)
Jim Blandy's avatar
Jim Blandy committed
544 545 546
{
  int n;

547
  nonundocount = 0;
548
  initial_define_key (global_map, Ctl ('I'), "self-insert-command");
Jim Blandy's avatar
Jim Blandy committed
549 550
  for (n = 040; n < 0177; n++)
    initial_define_key (global_map, n, "self-insert-command");
551 552 553 554
#ifdef MSDOS
  for (n = 0200; n < 0240; n++)
    initial_define_key (global_map, n, "self-insert-command");
#endif
555
  for (n = 0240; n < 0400; n++)
556
    initial_define_key (global_map, n, "self-insert-command");
Jim Blandy's avatar
Jim Blandy committed
557 558 559 560 561 562

  initial_define_key (global_map, Ctl ('A'), "beginning-of-line");
  initial_define_key (global_map, Ctl ('B'), "backward-char");
  initial_define_key (global_map, Ctl ('E'), "end-of-line");
  initial_define_key (global_map, Ctl ('F'), "forward-char");
}