code.delx.au - gnu-emacs/blob - src/indent.h

   1 /* Definitions for interface to indent.c
   2    Copyright (C) 1985, 1986 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Emacs.
   5
   6 GNU Emacs is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Emacs is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Emacs; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20
  21 struct position
  22   {
  23     int bufpos;
  24     int hpos;
  25     int vpos;
  26     int prevhpos;
  27     int contin;
  28   };
  29
  30 struct position *compute_motion ();
  31 struct position *vmotion ();
  32
  33 /* Value of point when current_column was called */
  34 extern int last_known_column_point;
  35
  36 /* Functions for dealing with the column cache.  */
  37
  38 /* Return true iff the display table DISPTAB specifies the same widths
  39    for characters as WIDTHTAB.  We use this to decide when to
  40    invalidate the buffer's column_cache.  */
  41 extern int disptab_matches_widthtab ( /* struct Lisp_Vector *disptab,
  42                                          struct Lisp_Vector *widthtab */ );
  43
  44 /* Recompute BUF's width table, using the display table DISPTAB.  */
  45 extern void recompute_width_table ( /* struct buffer *buf,
  46                                        struct Lisp_Vector *disptab */ );