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/* Definitions for interface to indent.c
Copyright (C) 1985-1986, 2001-2015 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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>. */
struct position
{
ptrdiff_t bufpos;
ptrdiff_t bytepos;
EMACS_INT hpos;
EMACS_INT vpos;
EMACS_INT prevhpos;
int contin;
};
struct position *compute_motion (ptrdiff_t from, ptrdiff_t frombyte,
EMACS_INT fromvpos, EMACS_INT fromhpos,
bool did_motion, ptrdiff_t to,
EMACS_INT tovpos, EMACS_INT tohpos,
EMACS_INT width, ptrdiff_t hscroll,
int tab_offset, struct window *);
struct position *vmotion (ptrdiff_t from, ptrdiff_t from_byte,
EMACS_INT vtarget, struct window *);
ptrdiff_t skip_invisible (ptrdiff_t pos, ptrdiff_t *next_boundary_p,
ptrdiff_t to, Lisp_Object window);
/* Value of point when current_column was called */
extern ptrdiff_t last_known_column_point;
/* Functions for dealing with the column cache. */
/* Return true if the display table DISPTAB specifies the same widths
for characters as WIDTHTAB. We use this to decide when to
invalidate the buffer's column_cache. */
bool disptab_matches_widthtab (struct Lisp_Char_Table *disptab,
struct Lisp_Vector *widthtab);
/* Recompute BUF's width table, using the display table DISPTAB. */
void recompute_width_table (struct buffer *buf,
struct Lisp_Char_Table *disptab);
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