option.c File Reference

#include <assert.h>
#include <inttypes.h>
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include <limits.h>
#include "nvim/vim.h"
#include "nvim/macros.h"
#include "nvim/ascii.h"
#include "nvim/edit.h"
#include "nvim/option.h"
#include "nvim/buffer.h"
#include "nvim/charset.h"
#include "nvim/cursor.h"
#include "nvim/diff.h"
#include "nvim/digraph.h"
#include "nvim/eval.h"
#include "nvim/eval/typval.h"
#include "nvim/ex_cmds2.h"
#include "nvim/ex_docmd.h"
#include "nvim/ex_getln.h"
#include "nvim/fileio.h"
#include "nvim/fold.h"
#include "nvim/getchar.h"
#include "nvim/hardcopy.h"
#include "nvim/highlight.h"
#include "nvim/indent_c.h"
#include "nvim/mbyte.h"
#include "nvim/memfile.h"
#include "nvim/memline.h"
#include "nvim/memory.h"
#include "nvim/message.h"
#include "nvim/misc1.h"
#include "nvim/keymap.h"
#include "nvim/garray.h"
#include "nvim/cursor_shape.h"
#include "nvim/move.h"
#include "nvim/mouse.h"
#include "nvim/normal.h"
#include "nvim/os_unix.h"
#include "nvim/path.h"
#include "nvim/popupmnu.h"
#include "nvim/regexp.h"
#include "nvim/screen.h"
#include "nvim/spell.h"
#include "nvim/spellfile.h"
#include "nvim/strings.h"
#include "nvim/syntax.h"
#include "nvim/ui.h"
#include "nvim/undo.h"
#include "nvim/window.h"
#include "nvim/os/os.h"
#include "nvim/api/private/helpers.h"
#include "nvim/os/input.h"
#include "nvim/os/lang.h"

Data Structures
struct	vimoption
struct	langmap_entry_T

Macros
#define	IN_OPTION_C
#define	PV_BOTH   0x1000
#define	PV_WIN   0x2000
#define	PV_BUF   0x4000
#define	PV_MASK   0x0fff
#define	OPT_WIN(x)   (idopt_T)(PV_WIN + (int)(x))
#define	OPT_BUF(x)   (idopt_T)(PV_BUF + (int)(x))
#define	OPT_BOTH(x)   (idopt_T)(PV_BOTH + (int)(x))
#define	VAR_WIN   ((char_u *)-1)
#define	SCRIPTID_INIT   , 0
#define	VI_DEFAULT   0 /* def_val[VI_DEFAULT] is Vi default value */
#define	VIM_DEFAULT   1 /* def_val[VIM_DEFAULT] is Vim default value */
#define	P_BOOL   0x01U /* the option is boolean */
#define	P_NUM   0x02U /* the option is numeric */
#define	P_STRING   0x04U /* the option is a string */
#define	P_ALLOCED
#define	P_EXPAND
#define	P_NODEFAULT   0x40U /* don't set to default value */
#define	P_DEF_ALLOCED
#define	P_WAS_SET   0x100U /* option has been set/reset */
#define	P_NO_MKRC   0x200U /* don't include in :mkvimrc output */
#define	P_VI_DEF   0x400U /* Use Vi default for Vim */
#define	P_VIM   0x800U /* Vim option */
#define	P_RSTAT   0x1000U
	redraw status lines More...
#define	P_RWIN   0x2000U
	redraw current window and recompute text More...
#define	P_RBUF   0x4000U
	redraw current buffer and recompute text More...
#define	P_RALL   0x6000U
	redraw all windows More...
#define	P_RCLR   0x7000U
	clear and redraw all More...
#define	P_COMMA   0x8000U
	comma separated list More...
#define	P_ONECOMMA   0x18000U
	commas More...
#define	P_NODUP   0x20000U
	don't allow duplicate strings More...
#define	P_FLAGLIST   0x40000U
	list of single-char flags More...
#define	P_SECURE   0x80000U
	cannot change in modeline or secure mode More...
#define	P_GETTEXT   0x100000U
	expand default value with _() More...
#define	P_NOGLOB   0x200000U
	do not use local value for global vimrc More...
#define	P_NFNAME   0x400000U
	only normal file name chars allowed More...
#define	P_INSECURE   0x800000U
	option was set from a modeline More...
#define	P_PRI_MKRC   0x1000000U
	has side effects) More...
#define	P_NO_ML   0x2000000U
	not allowed in modeline More...
#define	P_CURSWANT   0x4000000U
	when there is a redraw flag More...
#define	P_NO_DEF_EXP   0x8000000U
	Do not expand default value. More...
#define	P_RWINONLY   0x10000000U
	only redraw current window More...
#define	P_NDNAME   0x20000000U
	only normal dir name chars allowed More...
#define	P_UI_OPTION   0x40000000U
	send option to remote ui More...
#define	HIGHLIGHT_INIT
#define	PARAM_COUNT   ARRAY_SIZE(options)
#define	NVIM_SIZE   (sizeof("nvim") - 1)
#define	SITE_SIZE   (sizeof("site") - 1)
#define	AFTER_SIZE   (sizeof("after") - 1)
#define	TCO_BUFFER_SIZE   8
#define	INC   20
#define	GAP   3
#define	COL_RULER   17 /* columns needed by standard ruler */

Typedefs
typedef struct vimoption	vimoption_T

Enumerations
enum	idopt_T { PV_NONE = 0, PV_MAXVAL = 0xffff }

Functions
void	set_init_1 (void)
void	set_number_default (char *name, long val)
void	set_init_2 (bool headless)
	Initialize the options, part two: After getting Rows and Columns. More...
void	set_init_3 (void)
void	set_helplang_default (const char *lang)
void	set_title_defaults (void)
int	do_set (char_u *arg, int opt_flags)
void	set_options_bin (int oldval, int newval, int opt_flags)
int	get_shada_parameter (int type)
char_u *	find_shada_parameter (int type)
void	check_options (void)
void	check_buf_options (buf_T *buf)
void	free_string_option (char_u *p)
void	clear_string_option (char_u **pp)
int	was_set_insecurely (char_u *opt, int opt_flags)
void	set_string_option_direct (char_u *name, int opt_idx, char_u *val, int opt_flags, int set_sid)
char_u *	check_colorcolumn (win_T *wp)
char_u *	check_stl_option (char_u *s)
int	findoption_len (const char *const arg, const size_t len)
bool	is_tty_option (const char *name) FUNC_ATTR_NONNULL_ALL FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT
bool	get_tty_option (char *name, char **value)
bool	set_tty_option (const char *name, char *value)
int	get_option_value (char_u *name, long *numval, char_u **stringval, int opt_flags)
int	get_option_value_strict (char *name, int64_t *numval, char **stringval, int opt_type, void *from)
char *	set_option_value (const char *const name, const long number, const char *const string, const int opt_flags) FUNC_ATTR_NONNULL_ARG(1)
int	find_key_option_len (const char_u *arg, size_t len)
void	ui_refresh_options (void)
	Send update to UIs with values of UI relevant options. More...
int	makeset (FILE *fd, int opt_flags, int local_only)
int	makefoldset (FILE *fd)
void	comp_col (void)
void	unset_global_local_option (char *name, void *from)
char_u *	get_equalprg (void)
void	win_copy_options (win_T *wp_from, win_T *wp_to)
void	copy_winopt (winopt_T *from, winopt_T *to)
void	check_win_options (win_T *win)
void	clear_winopt (winopt_T *wop)
void	didset_window_options (win_T *wp)
void	buf_copy_options (buf_T *buf, int flags)
void	reset_modifiable (void)
void	set_iminsert_global (void)
void	set_imsearch_global (void)
void	set_context_in_set_cmd (expand_T *xp, char_u *arg, int opt_flags)
int	ExpandSettings (expand_T *xp, regmatch_T *regmatch, int *num_file, char_u ***file)
void	ExpandOldSetting (int *num_file, char_u ***file)
int	langmap_adjust_mb (int c)
int	has_format_option (int x)
bool	shortmess (int x)
void	vimrc_found (char_u *fname, char_u *envname)
bool	option_was_set (const char *name)
void	reset_option_was_set (const char *name)
bool	can_bs (int what)
void	save_file_ff (buf_T *buf)
bool	file_ff_differs (buf_T *buf, bool ignore_empty)
int	check_ff_value (char_u *p)
int	get_sw_value (buf_T *buf)
int	get_sts_value (void)
void	find_mps_values (int *initc, int *findc, int *backwards, int switchit)
unsigned int	get_bkc_value (buf_T *buf)
int	get_fileformat (buf_T *buf)
	Return the current end-of-line type: EOL_DOS, EOL_UNIX or EOL_MAC. More...
int	get_fileformat_force (buf_T *buf, exarg_T *eap)
int	default_fileformat (void)
	Return the default fileformat from 'fileformats'. More...
void	set_fileformat (int eol_style, int opt_flags)
char_u *	skip_to_option_part (const char_u *p)
	Skip to next part of an option argument: skip space and comma. More...
size_t	copy_option_part (char_u **option, char_u *buf, size_t maxlen, char *sep_chars)
int	csh_like_shell (void)
	Return TRUE when 'shell' has "csh" in the tail. More...
bool	signcolumn_on (win_T *wp)
	Return true when window "wp" has a column to draw signs in. More...
dict_T *	get_winbuf_options (const int bufopt) FUNC_ATTR_WARN_UNUSED_RESULT
	Get window or buffer local options. More...

Macro Definition Documentation

#define AFTER_SIZE   (sizeof("after") - 1)

#define COL_RULER   17 /* columns needed by standard ruler */

#define GAP   3

#define HIGHLIGHT_INIT

Value:

"8:SpecialKey,~:EndOfBuffer,z:TermCursor,Z:TermCursorNC,@:NonText," \
  "d:Directory,e:ErrorMsg,i:IncSearch,l:Search,m:MoreMsg,M:ModeMsg,n:LineNr," \
  "N:CursorLineNr,r:Question,s:StatusLine,S:StatusLineNC,c:VertSplit,t:Title," \
  "v:Visual,V:VisualNOS,w:WarningMsg,W:WildMenu,f:Folded,F:FoldColumn," \
  "A:DiffAdd,C:DiffChange,D:DiffDelete,T:DiffText,>:SignColumn,-:Conceal," \
  "B:SpellBad,P:SpellCap,R:SpellRare,L:SpellLocal,+:Pmenu,=:PmenuSel," \
  "x:PmenuSbar,X:PmenuThumb,*:TabLine,#:TabLineSel,_:TabLineFill," \
  "!:CursorColumn,.:CursorLine,o:ColorColumn,q:QuickFixLine," \
  "0:Whitespace,I:NormalNC"

#define IN_OPTION_C

#define INC   20

#define NVIM_SIZE   (sizeof("nvim") - 1)

#define OPT_BOTH

(

x

)

(idopt_T)(PV_BOTH + (int)(x))

#define OPT_BUF

(

x

)

(idopt_T)(PV_BUF + (int)(x))

#define OPT_WIN

(

x

)

(idopt_T)(PV_WIN + (int)(x))

#define P_ALLOCED

Value:

0x08U    /* the string option is in allocated memory,
                                    must use free_string_option() when
                                    assigning new value. Not set if default is
                                    the same. */

#define P_BOOL   0x01U /* the option is boolean */

#define P_COMMA   0x8000U

comma separated list

#define P_CURSWANT   0x4000000U

when there is a redraw flag

update curswant required; not needed

#define P_DEF_ALLOCED

Value:

0x80U    /* default value is in allocated memory, must
                                    use free() when assigning new value */

#define P_EXPAND

Value:

0x10U    /* environment expansion.  NOTE: P_EXPAND can
                                    never be used for local or hidden options */

#define P_FLAGLIST   0x40000U

list of single-char flags

#define P_GETTEXT   0x100000U

expand default value with _()

#define P_INSECURE   0x800000U

option was set from a modeline

#define P_NDNAME   0x20000000U

only normal dir name chars allowed

#define P_NFNAME   0x400000U

only normal file name chars allowed

#define P_NO_DEF_EXP   0x8000000U

Do not expand default value.

#define P_NO_MKRC   0x200U /* don't include in :mkvimrc output */

#define P_NO_ML   0x2000000U

not allowed in modeline

#define P_NODEFAULT   0x40U /* don't set to default value */

#define P_NODUP   0x20000U

don't allow duplicate strings

#define P_NOGLOB   0x200000U

do not use local value for global vimrc

#define P_NUM   0x02U /* the option is numeric */

#define P_ONECOMMA   0x18000U

commas

P_COMMA and cannot have two consecutive

#define P_PRI_MKRC   0x1000000U

has side effects)

priority for :mkvimrc (setting option

#define P_RALL   0x6000U

redraw all windows

#define P_RBUF   0x4000U

redraw current buffer and recompute text

#define P_RCLR   0x7000U

clear and redraw all

#define P_RSTAT   0x1000U

redraw status lines

#define P_RWIN   0x2000U

redraw current window and recompute text

#define P_RWINONLY   0x10000000U

only redraw current window

#define P_SECURE   0x80000U

cannot change in modeline or secure mode

#define P_STRING   0x04U /* the option is a string */

#define P_UI_OPTION   0x40000000U

send option to remote ui

#define P_VI_DEF   0x400U /* Use Vi default for Vim */

#define P_VIM   0x800U /* Vim option */

#define P_WAS_SET   0x100U /* option has been set/reset */

#define PARAM_COUNT   ARRAY_SIZE(options)

#define PV_BOTH   0x1000

#define PV_BUF   0x4000

#define PV_MASK   0x0fff

#define PV_WIN   0x2000

#define SCRIPTID_INIT   , 0

#define SITE_SIZE   (sizeof("site") - 1)

#define TCO_BUFFER_SIZE   8

#define VAR_WIN   ((char_u *)-1)

#define VI_DEFAULT   0 /* def_val[VI_DEFAULT] is Vi default value */

#define VIM_DEFAULT   1 /* def_val[VIM_DEFAULT] is Vim default value */

Typedef Documentation

typedef struct vimoption vimoption_T

Enumeration Type Documentation

enum idopt_T

Enumerator
PV_NONE
PV_MAXVAL

Function Documentation

void buf_copy_options	(	buf_T *	buf,
		int	flags
	)

bool can_bs

(

int

what

)

void check_buf_options

(

buf_T *

buf

)

char_u* check_colorcolumn

(

win_T *

wp

)

int check_ff_value

(

char_u *

p

)

void check_options

(

void

)

char_u* check_stl_option

(

char_u *

s

)

void check_win_options

(

win_T *

win

)

void clear_string_option

(

char_u **

pp

)

void clear_winopt

(

winopt_T *

wop

)

void comp_col

(

void

)

size_t copy_option_part	(	char_u **	option,
		char_u *	buf,
		size_t	maxlen,
		char *	sep_chars
	)

Isolate one part of a string option separated by sep_chars.

Parameters

[in,out]	option	advanced to the next part
[in,out]	buf	copy of the isolated part
[in]	maxlen	length of buf
[in]	sep_chars	chars that separate the option parts

Returns

length of *option

void copy_winopt	(	winopt_T *	from,
		winopt_T *	to
	)

int csh_like_shell

(

void

)

Return TRUE when 'shell' has "csh" in the tail.

int default_fileformat

(

void

)

Return the default fileformat from 'fileformats'.

void didset_window_options

(

win_T *

wp

)

int do_set	(	char_u *	arg,
		int	opt_flags
	)

void ExpandOldSetting	(	int *	num_file,
		char_u ***	file
	)

int ExpandSettings	(	expand_T *	xp,
		regmatch_T *	regmatch,
		int *	num_file,
		char_u ***	file
	)

bool file_ff_differs	(	buf_T *	buf,
		bool	ignore_empty
	)

int find_key_option_len	(	const char_u *	arg,
		size_t	len
	)

void find_mps_values	(	int *	initc,
		int *	findc,
		int *	backwards,
		int	switchit
	)

char_u* find_shada_parameter

(

int

type

)

int findoption_len	(	const char *const	arg,
		const size_t	len
	)

Find index for named option

Parameters

[in]	arg	Option to find index for.
[in]	len	Length of the option.

Returns

Index of the option or -1 if option was not found.

void free_string_option

(

char_u *

p

)

unsigned int get_bkc_value

(

buf_T *

buf

)

Get the local or global value of 'backupcopy'.

Parameters

buf	The buffer.

char_u* get_equalprg

(

void

)

int get_fileformat

(

buf_T *

buf

)

Return the current end-of-line type: EOL_DOS, EOL_UNIX or EOL_MAC.

int get_fileformat_force	(	buf_T *	buf,
		exarg_T *	eap
	)

Like get_fileformat(), but override 'fileformat' with "p" for "++opt=val" argument.

Parameters

eap	can be NULL!

int get_option_value	(	char_u *	name,
		long *	numval,
		char_u **	stringval,
		int	opt_flags
	)

Gets the value for an option.

Returns

: Number or Toggle option: 1, *numval gets value. String option: 0, *stringval gets allocated string. Hidden Number or Toggle option: -1. hidden String option: -2. unknown option: -3.

Parameters

stringval

NULL when only checking existence

int get_option_value_strict	(	char *	name,
		int64_t *	numval,
		char **	stringval,
		int	opt_type,
		void *	from
	)

int get_shada_parameter

(

int

type

)

int get_sts_value

(

void

)

int get_sw_value

(

buf_T *

buf

)

bool get_tty_option	(	char *	name,
		char **	value
	)

Parameters

name	TUI-related option

dict_T* get_winbuf_options

(

const int

bufopt

)

Get window or buffer local options.

int has_format_option

(

int

x

)

bool is_tty_option

(

const char *

name

)

int langmap_adjust_mb

(

int

c

)

int makefoldset

(

FILE *

fd

)

int makeset	(	FILE *	fd,
		int	opt_flags,
		int	local_only
	)

bool option_was_set

(

const char *

name

)

Check whether global option has been set

Parameters

[in]

name

Option name.

Returns

True if it was set.

void reset_modifiable

(

void

)

void reset_option_was_set

(

const char *

name

)

Reset the flag indicating option "name" was set.

Parameters

[in]

name

Option name.

void save_file_ff

(

buf_T *

buf

)

void set_context_in_set_cmd	(	expand_T *	xp,
		char_u *	arg,
		int	opt_flags
	)

void set_fileformat	(	int	eol_style,
		int	opt_flags
	)

Set the current end-of-line type to EOL_UNIX, EOL_MAC, or EOL_DOS.

Sets 'fileformat'.

Parameters

eol_style	End-of-line style.
opt_flags	OPT_LOCAL and/or OPT_GLOBAL

void set_helplang_default

(

const char *

lang

)

void set_iminsert_global

(

void

)

void set_imsearch_global

(

void

)

void set_init_1

(

void

)

void set_init_2

(

bool

headless

)

Initialize the options, part two: After getting Rows and Columns.

void set_init_3

(

void

)

void set_number_default	(	char *	name,
		long	val
	)

char* set_option_value	(	const char *const	name,
		const long	number,
		const char *const	string,
		const int	opt_flags
	)

Set the value of an option

Parameters

[in]	name	Option name.
[in]	number	New value for the number or boolean option.
[in]	string	New value for string option.
[in]	opt_flags	Flags: OPT_LOCAL, OPT_GLOBAL, or 0 (both).

Returns

NULL on success, error message on error.

void set_options_bin	(	int	oldval,
		int	newval,
		int	opt_flags
	)

void set_string_option_direct	(	char_u *	name,
		int	opt_idx,
		char_u *	val,
		int	opt_flags,
		int	set_sid
	)

void set_title_defaults

(

void

)

bool set_tty_option	(	const char *	name,
		char *	value
	)

bool shortmess

(

int

x

)

Returns

true if "x" is present in 'shortmess' option, or 'shortmess' contains 'a' and "x" is present in SHM_ALL_ABBREVIATIONS.

bool signcolumn_on

(

win_T *

wp

)

Return true when window "wp" has a column to draw signs in.

char_u* skip_to_option_part

(

const char_u *

p

)

Skip to next part of an option argument: skip space and comma.

void ui_refresh_options

(

void

)

Send update to UIs with values of UI relevant options.

void unset_global_local_option	(	char *	name,
		void *	from
	)

void vimrc_found	(	char_u *	fname,
		char_u *	envname
	)

vimrc_found() - Called when a vimrc or "VIMINIT" has been found.

Set the values for options that didn't get set yet to the Vim defaults. When "fname" is not NULL, use it to set $"envname" when it wasn't set yet.

int was_set_insecurely	(	char_u *	opt,
		int	opt_flags
	)

void win_copy_options	(	win_T *	wp_from,
		win_T *	wp_to
	)