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|
/* vi:set ts=8 sts=4 sw=4 noet:
*
* VIM - Vi IMproved by Bram Moolenaar
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
* See README.txt for an overview of the Vim source code.
*/
/*
* Code to handle user-settable options. This is all pretty much table-
* driven. Checklist for adding a new option:
* - Put it in the options array in optiondefs.h (copy an existing entry).
* - For a global option: Add a variable for it in option.h.
* - For a buffer or window local option:
* - Add a PV_XX macro definition to the optiondefs.h file.
* - Add a variable to the window or buffer struct in structs.h.
* - For a window option, add some code to copy_winopt().
* - For a window string option, add code to check_win_options() and
* clear_winopt().
* - For a buffer option, add some code to buf_copy_options().
* - For a buffer string option, add code to check_buf_options().
* - If it's a numeric option, add any necessary bounds checks to
* set_num_option().
* - If it's a list of flags, add some code in did_set_string_option(), search
* for WW_ALL.
* - When adding an option with expansion (P_EXPAND), but with a different
* default for Vi and Vim (no P_VI_DEF), add some code at VIMEXP.
* - Add documentation! One line in doc/quickref.txt, full description in
* options.txt, and any other related places.
* - Add an entry in runtime/optwin.vim.
* When making changes:
* - Adjust the help for the option in doc/option.txt.
* - When an entry has the P_VIM flag, or is lacking the P_VI_DEF flag, add a
* comment at the help for the 'compatible' option.
*/
#define IN_OPTION_C
#include "vim.h"
#include "optiondefs.h"
static void set_options_default(int opt_flags);
static void set_string_default_esc(char *name, char_u *val, int escape);
static char_u *find_dup_item(char_u *origval, char_u *newval, long_u flags);
static char_u *option_expand(int opt_idx, char_u *val);
static void didset_options(void);
static void didset_options2(void);
#if defined(FEAT_EVAL) || defined(PROTO)
static long_u *insecure_flag(int opt_idx, int opt_flags);
#else
# define insecure_flag(opt_idx, opt_flags) (&options[opt_idx].flags)
#endif
static char *set_bool_option(int opt_idx, char_u *varp, int value, int opt_flags);
static char *set_num_option(int opt_idx, char_u *varp, long value, char *errbuf, size_t errbuflen, int opt_flags);
static int find_key_option(char_u *arg_arg, int has_lt);
static void showoptions(int all, int opt_flags);
static int optval_default(struct vimoption *, char_u *varp, int compatible);
static void showoneopt(struct vimoption *, int opt_flags);
static int put_setstring(FILE *fd, char *cmd, char *name, char_u **valuep, long_u flags);
static int put_setnum(FILE *fd, char *cmd, char *name, long *valuep);
static int put_setbool(FILE *fd, char *cmd, char *name, int value);
static int istermoption(struct vimoption *p);
static char_u *get_varp_scope(struct vimoption *p, int scope);
static char_u *get_varp(struct vimoption *);
static void check_win_options(win_T *win);
static void option_value2string(struct vimoption *, int scope);
static void check_winopt(winopt_T *wop);
static int wc_use_keyname(char_u *varp, long *wcp);
static void compatible_set(void);
#if defined(FEAT_EVAL) || defined(PROTO)
static char *(p_bin_dep_opts[]) = {"textwidth", "wrapmargin", "modeline", "expandtab", NULL};
static char *(p_paste_dep_opts[]) = {"autoindent", "expandtab", "ruler", "showmatch", "smarttab",
"softtabstop", "textwidth", "wrapmargin",
#ifdef FEAT_RIGHTLEFT
"hkmap", "revins",
#endif
#ifdef FEAT_VARTABS
"varsofttabstop",
#endif
NULL};
static void didset_options_sctx(int opt_flags, char **buf);
#endif
/*
* Initialize the 'shell' option to a default value.
*/
static void
set_init_default_shell(void)
{
char_u *p;
// Find default value for 'shell' option.
// Don't use it if it is empty.
if (((p = mch_getenv((char_u *)"SHELL")) != NULL && *p != NUL)
#if defined(MSWIN)
|| ((p = mch_getenv((char_u *)"COMSPEC")) != NULL && *p != NUL)
|| ((p = (char_u *)default_shell()) != NULL && *p != NUL)
#endif
)
#if defined(MSWIN)
{
// For MS-Windows put the path in quotes instead of escaping spaces.
char_u *cmd;
size_t len;
if (vim_strchr(p, ' ') != NULL)
{
len = STRLEN(p) + 3; // two quotes and a trailing NUL
cmd = alloc(len);
if (cmd != NULL)
{
vim_snprintf((char *)cmd, len, "\"%s\"", p);
set_string_default("sh", cmd);
vim_free(cmd);
}
}
else
set_string_default("sh", p);
}
#else
set_string_default_esc("sh", p, TRUE);
#endif
}
/*
* Set the default for 'backupskip' to include environment variables for
* temp files.
*/
static void
set_init_default_backupskip(void)
{
int opt_idx;
long_u n;
char_u *p;
#ifdef UNIX
static char *(names[4]) = {"", "TMPDIR", "TEMP", "TMP"};
#else
static char *(names[3]) = {"TMPDIR", "TEMP", "TMP"};
#endif
int len;
garray_T ga;
char_u *item;
opt_idx = findoption((char_u *)"backupskip");
ga_init2(&ga, 1, 100);
for (n = 0; n < (long)ARRAY_LENGTH(names); ++n)
{
int mustfree = FALSE;
#ifdef UNIX
if (*names[n] == NUL)
# ifdef MACOS_X
p = (char_u *)"/private/tmp";
# else
p = (char_u *)"/tmp";
# endif
else
#endif
p = vim_getenv((char_u *)names[n], &mustfree);
if (p != NULL && *p != NUL)
{
// First time count the NUL, otherwise count the ','.
len = (int)STRLEN(p) + 3;
item = alloc(len);
if (item != NULL)
{
STRCPY(item, p);
add_pathsep(item);
STRCAT(item, "*");
if (find_dup_item(ga.ga_data, item, options[opt_idx].flags)
== NULL
&& ga_grow(&ga, len) == OK)
{
if (ga.ga_len > 0)
STRCAT(ga.ga_data, ",");
STRCAT(ga.ga_data, item);
ga.ga_len += len;
}
vim_free(item);
}
}
if (mustfree)
vim_free(p);
}
if (ga.ga_data != NULL)
{
set_string_default("bsk", ga.ga_data);
vim_free(ga.ga_data);
}
}
/*
* Initialize the 'maxmemtot' and 'maxmem' options to a default value.
* 'maxmemtot' and 'maxmem' may have to be adjusted for available memory.
*/
static void
set_init_default_maxmemtot(void)
{
int opt_idx;
long_u n;
opt_idx = findoption((char_u *)"maxmemtot");
if (opt_idx < 0)
return;
#if !defined(HAVE_AVAIL_MEM) && !defined(HAVE_TOTAL_MEM)
if (options[opt_idx].def_val[VI_DEFAULT] == (char_u *)0L)
#endif
{
#if defined(HAVE_AVAIL_MEM)
// Use amount of memory available at this moment.
n = (mch_avail_mem(FALSE) >> 1);
#elif defined(HAVE_TOTAL_MEM)
// Use amount of memory available to Vim.
n = (mch_total_mem(FALSE) >> 1);
#else
n = (0x7fffffff >> 11);
#endif
options[opt_idx].def_val[VI_DEFAULT] = (char_u *)n;
opt_idx = findoption((char_u *)"maxmem");
if (opt_idx >= 0)
{
#if !defined(HAVE_AVAIL_MEM) && !defined(HAVE_TOTAL_MEM)
if ((long)(long_i)options[opt_idx].def_val[VI_DEFAULT] > (long)n
|| (long)(long_i)options[opt_idx].def_val[VI_DEFAULT] == 0L)
#endif
options[opt_idx].def_val[VI_DEFAULT] = (char_u *)n;
}
}
}
/*
* Initialize the 'cdpath' option to a default value.
*/
static void
set_init_default_cdpath(void)
{
int opt_idx;
char_u *cdpath;
char_u *buf;
int i;
int j;
int mustfree = FALSE;
cdpath = vim_getenv((char_u *)"CDPATH", &mustfree);
if (cdpath == NULL)
return;
buf = alloc((STRLEN(cdpath) << 1) + 2);
if (buf != NULL)
{
buf[0] = ','; // start with ",", current dir first
j = 1;
for (i = 0; cdpath[i] != NUL; ++i)
{
if (vim_ispathlistsep(cdpath[i]))
buf[j++] = ',';
else
{
if (cdpath[i] == ' ' || cdpath[i] == ',')
buf[j++] = '\\';
buf[j++] = cdpath[i];
}
}
buf[j] = NUL;
opt_idx = findoption((char_u *)"cdpath");
if (opt_idx >= 0)
{
options[opt_idx].def_val[VI_DEFAULT] = buf;
options[opt_idx].flags |= P_DEF_ALLOCED;
}
else
vim_free(buf); // cannot happen
}
if (mustfree)
vim_free(cdpath);
}
/*
* Initialize the 'printencoding' option to a default value.
*/
static void
set_init_default_printencoding(void)
{
#if defined(FEAT_POSTSCRIPT) && \
(defined(MSWIN) || defined(VMS) || defined(MAC) || defined(hpux))
// Set print encoding on platforms that don't default to latin1
set_string_default("penc",
# if defined(MSWIN)
(char_u *)"cp1252"
# elif defined(VMS)
(char_u *)"dec-mcs"
# elif defined(MAC)
(char_u *)"mac-roman"
# else // HPUX
(char_u *)"hp-roman8"
# endif
);
#endif
}
#ifdef FEAT_POSTSCRIPT
/*
* Initialize the 'printexpr' option to a default value.
*/
static void
set_init_default_printexpr(void)
{
// 'printexpr' must be allocated to be able to evaluate it.
set_string_default("pexpr",
# if defined(MSWIN)
(char_u *)"system('copy' . ' ' . v:fname_in . (&printdevice == '' ? ' LPT1:' : (' \"' . &printdevice . '\"'))) . delete(v:fname_in)"
# elif defined(VMS)
(char_u *)"system('print/delete' . (&printdevice == '' ? '' : ' /queue=' . &printdevice) . ' ' . v:fname_in)"
# else
(char_u *)"system('lpr' . (&printdevice == '' ? '' : ' -P' . &printdevice) . ' ' . v:fname_in) . delete(v:fname_in) + v:shell_error"
# endif
);
}
#endif
#ifdef UNIX
/*
* Force restricted-mode on for "nologin" or "false" $SHELL
*/
static void
set_init_restricted_mode(void)
{
char_u *p;
p = get_isolated_shell_name();
if (p == NULL)
return;
if (fnamecmp(p, "nologin") == 0 || fnamecmp(p, "false") == 0)
restricted = TRUE;
vim_free(p);
}
#endif
#ifdef CLEAN_RUNTIMEPATH
/*
* When Vim is started with the "--clean" argument, set the default value
* for the 'runtimepath' and 'packpath' options.
*/
static void
set_init_clean_rtp(void)
{
int opt_idx;
opt_idx = findoption((char_u *)"runtimepath");
if (opt_idx >= 0)
{
options[opt_idx].def_val[VI_DEFAULT] = (char_u *)CLEAN_RUNTIMEPATH;
p_rtp = (char_u *)CLEAN_RUNTIMEPATH;
}
opt_idx = findoption((char_u *)"packpath");
if (opt_idx < 0)
return;
options[opt_idx].def_val[VI_DEFAULT] = (char_u *)CLEAN_RUNTIMEPATH;
p_pp = (char_u *)CLEAN_RUNTIMEPATH;
}
#endif
#ifdef UNIX
/*
* Change 'runtimepath' and 'packdir' to '$XDG_CONFIG_HOME/vim' if the only
* vimrc found is located in '$XDG_CONFIG_HOME/vim/vimrc'.
* In case the '$XDG_CONFIG_HOME' variable is not set, '$HOME/.config' is used
* as a fallback as is defined in the XDG base dir specification:
* <https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html>
*/
static void
set_init_xdg_rtp(void)
{
int opt_idx;
int has_xdg_env = TRUE;
int should_free_xdg_dir = FALSE;
char_u *vimrc1 = NULL;
char_u *vimrc2 = NULL;
char_u *xdg_dir = NULL;
char_u *xdg_rtp = NULL;
char_u *vimrc_xdg = NULL;
// initialize chartab, so we can expand $HOME
(void)init_chartab();
vimrc1 = expand_env_save((char_u *)USR_VIMRC_FILE);
vimrc2 = expand_env_save((char_u *)USR_VIMRC_FILE2);
xdg_dir = mch_getenv("XDG_CONFIG_HOME");
if (!xdg_dir)
{
xdg_dir = expand_env_save((char_u *)"~/.config");
should_free_xdg_dir = TRUE;
has_xdg_env = FALSE;
}
vimrc_xdg = concat_fnames(xdg_dir, (char_u *)"vim/vimrc", TRUE);
if (file_is_readable(vimrc1) || file_is_readable(vimrc2) ||
!file_is_readable(vimrc_xdg))
goto theend;
xdg_rtp = has_xdg_env ? (char_u *)XDG_RUNTIMEPATH
: (char_u *)XDG_RUNTIMEPATH_FB;
if ((opt_idx = findoption((char_u *)"runtimepath")) < 0)
goto theend;
options[opt_idx].def_val[VI_DEFAULT] = xdg_rtp;
p_rtp = xdg_rtp;
if ((opt_idx = findoption((char_u *)"packpath")) < 0)
goto theend;
options[opt_idx].def_val[VI_DEFAULT] = xdg_rtp;
p_pp = xdg_rtp;
#if defined(XDG_VDIR) && defined(FEAT_SESSION)
if ((opt_idx = findoption((char_u *)"viewdir")) < 0)
goto theend;
options[opt_idx].def_val[VI_DEFAULT] = (char_u *)XDG_VDIR;
p_vdir = (char_u *)XDG_VDIR;
#endif
theend:
vim_free(vimrc1);
vim_free(vimrc2);
vim_free(vimrc_xdg);
if (should_free_xdg_dir)
vim_free(xdg_dir);
}
#endif
/*
* Expand environment variables and things like "~" for the defaults.
* If option_expand() returns non-NULL the variable is expanded. This can
* only happen for non-indirect options.
* Also set the default to the expanded value, so ":set" does not list
* them.
* Don't set the P_ALLOCED flag, because we don't want to free the
* default.
*/
static void
set_init_expand_env(void)
{
int opt_idx;
char_u *p;
for (opt_idx = 0; !istermoption_idx(opt_idx); opt_idx++)
{
if ((options[opt_idx].flags & P_GETTEXT)
&& options[opt_idx].var != NULL)
p = (char_u *)_(*(char **)options[opt_idx].var);
else
p = option_expand(opt_idx, NULL);
if (p != NULL && (p = vim_strsave(p)) != NULL)
{
*(char_u **)options[opt_idx].var = p;
// VIMEXP
// Defaults for all expanded options are currently the same for Vi
// and Vim. When this changes, add some code here! Also need to
// split P_DEF_ALLOCED in two.
if (options[opt_idx].flags & P_DEF_ALLOCED)
vim_free(options[opt_idx].def_val[VI_DEFAULT]);
options[opt_idx].def_val[VI_DEFAULT] = p;
options[opt_idx].flags |= P_DEF_ALLOCED;
}
}
}
/*
* Initialize the 'LANG' environment variable to a default value.
*/
static void
set_init_lang_env(void)
{
#if defined(MSWIN) && defined(FEAT_GETTEXT)
// If $LANG isn't set, try to get a good value for it. This makes the
// right language be used automatically. Don't do this for English.
if (mch_getenv((char_u *)"LANG") == NULL)
{
char buf[20];
long_u n;
// Could use LOCALE_SISO639LANGNAME, but it's not in Win95.
// LOCALE_SABBREVLANGNAME gives us three letters, like "enu", we use
// only the first two.
n = GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SABBREVLANGNAME,
(LPTSTR)buf, 20);
if (n >= 2 && STRNICMP(buf, "en", 2) != 0)
{
// There are a few exceptions (probably more)
if (STRNICMP(buf, "cht", 3) == 0 || STRNICMP(buf, "zht", 3) == 0)
STRCPY(buf, "zh_TW");
else if (STRNICMP(buf, "chs", 3) == 0
|| STRNICMP(buf, "zhc", 3) == 0)
STRCPY(buf, "zh_CN");
else if (STRNICMP(buf, "jp", 2) == 0)
STRCPY(buf, "ja");
else
buf[2] = NUL; // truncate to two-letter code
vim_setenv((char_u *)"LANG", (char_u *)buf);
}
}
#elif defined(MACOS_CONVERT)
// Moved to os_mac_conv.c to avoid dependency problems.
mac_lang_init();
#endif
}
/*
* Initialize the 'encoding' option to a default value.
*/
static void
set_init_default_encoding(void)
{
char_u *p;
int opt_idx;
# if defined(MSWIN) || defined(__MVS__)
// MS-Windows has builtin support for conversion to and from Unicode, using
// "utf-8" for 'encoding' should work best for most users.
// z/OS built should default to UTF-8 mode as setlocale does not respect utf-8 environment variable locales
p = vim_strsave((char_u *)ENC_DFLT);
# else
// enc_locale() will try to find the encoding of the current locale.
// This works best for properly configured systems, old and new.
p = enc_locale();
# endif
if (p == NULL)
return;
// Try setting 'encoding' and check if the value is valid.
// If not, go back to the default encoding.
char_u *save_enc = p_enc;
p_enc = p;
if (STRCMP(p_enc, "gb18030") == 0)
{
// We don't support "gb18030", but "cp936" is a good substitute
// for practical purposes, thus use that. It's not an alias to
// still support conversion between gb18030 and utf-8.
p_enc = vim_strsave((char_u *)"cp936");
vim_free(p);
}
if (mb_init() == NULL)
{
opt_idx = findoption((char_u *)"encoding");
if (opt_idx >= 0)
{
options[opt_idx].def_val[VI_DEFAULT] = p_enc;
options[opt_idx].flags |= P_DEF_ALLOCED;
}
#if defined(MSWIN) || defined(MACOS_X) || defined(VMS)
if (STRCMP(p_enc, "latin1") == 0 || enc_utf8)
{
// Adjust the default for 'isprint' and 'iskeyword' to match
// latin1. Also set the defaults for when 'nocompatible' is
// set.
set_string_option_direct((char_u *)"isp", -1,
ISP_LATIN1, OPT_FREE, SID_NONE);
set_string_option_direct((char_u *)"isk", -1,
ISK_LATIN1, OPT_FREE, SID_NONE);
opt_idx = findoption((char_u *)"isp");
if (opt_idx >= 0)
options[opt_idx].def_val[VIM_DEFAULT] = ISP_LATIN1;
opt_idx = findoption((char_u *)"isk");
if (opt_idx >= 0)
options[opt_idx].def_val[VIM_DEFAULT] = ISK_LATIN1;
(void)init_chartab();
}
#endif
#if defined(MSWIN) && (!defined(FEAT_GUI) || defined(VIMDLL))
// Win32 console: When GetACP() returns a different value from
// GetConsoleCP() set 'termencoding'.
if (
# ifdef VIMDLL
(!gui.in_use && !gui.starting) &&
# endif
GetACP() != GetConsoleCP())
{
char buf[50];
// Win32 console: In ConPTY, GetConsoleCP() returns zero.
// Use an alternative value.
if (GetConsoleCP() == 0)
sprintf(buf, "cp%ld", (long)GetACP());
else
sprintf(buf, "cp%ld", (long)GetConsoleCP());
p_tenc = vim_strsave((char_u *)buf);
if (p_tenc != NULL)
{
opt_idx = findoption((char_u *)"termencoding");
if (opt_idx >= 0)
{
options[opt_idx].def_val[VI_DEFAULT] = p_tenc;
options[opt_idx].flags |= P_DEF_ALLOCED;
}
convert_setup(&input_conv, p_tenc, p_enc);
convert_setup(&output_conv, p_enc, p_tenc);
}
else
p_tenc = empty_option;
}
#endif
#if defined(MSWIN)
// $HOME may have characters in active code page.
init_homedir();
#endif
}
else
{
vim_free(p_enc);
p_enc = save_enc;
}
}
/*
* Initialize the options, first part.
*
* Called only once from main(), just after creating the first buffer.
* If "clean_arg" is TRUE Vim was started with --clean.
*/
void
set_init_1(int clean_arg)
{
#ifdef FEAT_LANGMAP
langmap_init();
#endif
// Be Vi compatible by default
p_cp = TRUE;
// Use POSIX compatibility when $VIM_POSIX is set.
if (mch_getenv((char_u *)"VIM_POSIX") != NULL)
{
set_string_default("cpo", (char_u *)CPO_ALL);
set_string_default("shm", (char_u *)SHM_POSIX);
}
set_init_default_shell();
set_init_default_backupskip();
set_init_default_maxmemtot();
set_init_default_cdpath();
set_init_default_printencoding();
#ifdef FEAT_POSTSCRIPT
set_init_default_printexpr();
#endif
/*
* Set all the options (except the terminal options) to their default
* value. Also set the global value for local options.
*/
set_options_default(0);
#ifdef UNIX
set_init_xdg_rtp();
set_init_restricted_mode();
#endif
#ifdef CLEAN_RUNTIMEPATH
if (clean_arg)
set_init_clean_rtp();
#endif
#ifdef FEAT_GUI
if (found_reverse_arg)
set_option_value_give_err((char_u *)"bg", 0L, (char_u *)"dark", 0);
#endif
curbuf->b_p_initialized = TRUE;
curbuf->b_p_ar = -1; // no local 'autoread' value
curbuf->b_p_ul = NO_LOCAL_UNDOLEVEL;
check_buf_options(curbuf);
check_win_options(curwin);
check_options();
// Must be before option_expand(), because that one needs vim_isIDc()
didset_options();
#ifdef FEAT_SPELL
// Use the current chartab for the generic chartab. This is not in
// didset_options() because it only depends on 'encoding'.
init_spell_chartab();
#endif
set_init_default_encoding();
// Expand environment variables and things like "~" for the defaults.
set_init_expand_env();
save_file_ff(curbuf); // Buffer is unchanged
#if defined(FEAT_ARABIC)
// Detect use of mlterm.
// Mlterm is a terminal emulator akin to xterm that has some special
// abilities (bidi namely).
// NOTE: mlterm's author is being asked to 'set' a variable
// instead of an environment variable due to inheritance.
if (mch_getenv((char_u *)"MLTERM") != NULL)
set_option_value_give_err((char_u *)"tbidi", 1L, NULL, 0);
#endif
didset_options2();
set_init_lang_env();
#ifdef FEAT_MULTI_LANG
// Set the default for 'helplang'.
set_helplang_default(get_mess_lang());
#endif
}
static char_u *fencs_utf8_default = (char_u *)"ucs-bom,utf-8,default,latin1";
/*
* Set the "fileencodings" option to the default value for when 'encoding' is
* utf-8.
*/
void
set_fencs_unicode(void)
{
set_string_option_direct((char_u *)"fencs", -1, fencs_utf8_default,
OPT_FREE, 0);
}
/*
* Set an option to its default value.
* This does not take care of side effects!
*/
static void
set_option_default(
int opt_idx,
int opt_flags, // OPT_FREE, OPT_LOCAL and/or OPT_GLOBAL
int compatible) // use Vi default value
{
char_u *varp; // pointer to variable for current option
int dvi; // index in def_val[]
long_u flags;
long_u *flagsp;
int both = (opt_flags & (OPT_LOCAL | OPT_GLOBAL)) == 0;
varp = get_varp_scope(&(options[opt_idx]), both ? OPT_LOCAL : opt_flags);
flags = options[opt_idx].flags;
if (varp != NULL) // skip hidden option, nothing to do for it
{
dvi = ((flags & P_VI_DEF) || compatible) ? VI_DEFAULT : VIM_DEFAULT;
if (flags & P_STRING)
{
// 'fencs' default value depends on 'encoding'
if (options[opt_idx].var == (char_u *)&p_fencs && enc_utf8)
set_fencs_unicode();
// Use set_string_option_direct() for local options to handle
// freeing and allocating the value.
else if (options[opt_idx].indir != PV_NONE)
set_string_option_direct(NULL, opt_idx,
options[opt_idx].def_val[dvi], opt_flags, 0);
else
{
if ((opt_flags & OPT_FREE) && (flags & P_ALLOCED))
free_string_option(*(char_u **)(varp));
*(char_u **)varp = options[opt_idx].def_val[dvi];
options[opt_idx].flags &= ~P_ALLOCED;
}
}
else if (flags & P_NUM)
{
if (options[opt_idx].indir == PV_SCROLL)
win_comp_scroll(curwin);
else
{
long def_val = (long)(long_i)options[opt_idx].def_val[dvi];
if ((long *)varp == &curwin->w_p_so
|| (long *)varp == &curwin->w_p_siso)
// 'scrolloff' and 'sidescrolloff' local values have a
// different default value than the global default.
*(long *)varp = -1;
else
*(long *)varp = def_val;
// May also set global value for local option.
if (both)
*(long *)get_varp_scope(&(options[opt_idx]), OPT_GLOBAL) =
def_val;
}
}
else // P_BOOL
{
// the cast to long is required for Manx C, long_i is needed for
// MSVC
*(int *)varp = (int)(long)(long_i)options[opt_idx].def_val[dvi];
#ifdef UNIX
// 'modeline' defaults to off for root
if (options[opt_idx].indir == PV_ML && getuid() == ROOT_UID)
*(int *)varp = FALSE;
#endif
// May also set global value for local option.
if (both)
*(int *)get_varp_scope(&(options[opt_idx]), OPT_GLOBAL) =
*(int *)varp;
}
// The default value is not insecure.
flagsp = insecure_flag(opt_idx, opt_flags);
*flagsp = *flagsp & ~P_INSECURE;
}
#ifdef FEAT_EVAL
set_option_sctx_idx(opt_idx, opt_flags, current_sctx);
#endif
}
/*
* Set all options (except terminal options) to their default value.
* When "opt_flags" is non-zero skip 'encoding'.
*/
static void
set_options_default(
int opt_flags) // OPT_FREE, OPT_LOCAL and/or OPT_GLOBAL
{
int i;
win_T *wp;
tabpage_T *tp;
for (i = 0; !istermoption_idx(i); i++)
if (!(options[i].flags & P_NODEFAULT)
&& (opt_flags == 0
|| (options[i].var != (char_u *)&p_enc
# if defined(FEAT_CRYPT)
&& options[i].var != (char_u *)&p_cm
&& options[i].var != (char_u *)&p_key
# endif
)))
set_option_default(i, opt_flags, p_cp);
// The 'scroll' option must be computed for all windows.
FOR_ALL_TAB_WINDOWS(tp, wp)
win_comp_scroll(wp);
parse_cino(curbuf);
}
/*
* Set the Vi-default value of a string option.
* Used for 'sh', 'backupskip' and 'term'.
* When "escape" is TRUE escape spaces with a backslash.
*/
static void
set_string_default_esc(char *name, char_u *val, int escape)
{
char_u *p;
int opt_idx;
if (escape && vim_strchr(val, ' ') != NULL)
p = vim_strsave_escaped(val, (char_u *)" ");
else
p = vim_strsave(val);
if (p == NULL) // we don't want a NULL
return;
opt_idx = findoption((char_u *)name);
if (opt_idx < 0)
{
vim_free(p);
return;
}
if (options[opt_idx].flags & P_DEF_ALLOCED)
vim_free(options[opt_idx].def_val[VI_DEFAULT]);
options[opt_idx].def_val[VI_DEFAULT] = p;
options[opt_idx].flags |= P_DEF_ALLOCED;
}
void
set_string_default(char *name, char_u *val)
{
set_string_default_esc(name, val, FALSE);
}
/*
* For an option value that contains comma separated items, find "newval" in
* "origval". Return NULL if not found.
*/
static char_u *
find_dup_item(char_u *origval, char_u *newval, long_u flags)
{
int bs = 0;
size_t newlen;
char_u *s;
if (origval == NULL)
return NULL;
newlen = STRLEN(newval);
for (s = origval; *s != NUL; ++s)
{
if ((!(flags & P_COMMA)
|| s == origval
|| (s[-1] == ',' && !(bs & 1)))
&& STRNCMP(s, newval, newlen) == 0
&& (!(flags & P_COMMA)
|| s[newlen] == ','
|| s[newlen] == NUL))
return s;
// Count backslashes. Only a comma with an even number of backslashes
// or a single backslash preceded by a comma before it is recognized as
// a separator.
if ((s > origval + 1
&& s[-1] == '\\'
&& s[-2] != ',')
|| (s == origval + 1
&& s[-1] == '\\'))
++bs;
else
bs = 0;
}
return NULL;
}
/*
* Set the Vi-default value of a number option.
* Used for 'lines' and 'columns'.
*/
void
set_number_default(char *name, long val)
{
int opt_idx;
opt_idx = findoption((char_u *)name);
if (opt_idx >= 0)
options[opt_idx].def_val[VI_DEFAULT] = (char_u *)(long_i)val;
}
#if defined(FEAT_PROP_POPUP) || defined(PROTO)
/*
* Set all window-local and buffer-local options to the Vim default.
* local-global options will use the global value.
* When "do_buffer" is FALSE don't set buffer-local options.
*/
void
set_local_options_default(win_T *wp, int do_buffer)
{
win_T *save_curwin = curwin;
int i;
curwin = wp;
curbuf = curwin->w_buffer;
block_autocmds();
for (i = 0; !istermoption_idx(i); i++)
{
struct vimoption *p = &(options[i]);
char_u *varp = get_varp_scope(p, OPT_LOCAL);
if (p->indir != PV_NONE
&& (do_buffer || (p->indir & PV_BUF) == 0)
&& !(options[i].flags & P_NODEFAULT)
&& !optval_default(p, varp, FALSE))
set_option_default(i, OPT_FREE|OPT_LOCAL, FALSE);
}
unblock_autocmds();
curwin = save_curwin;
curbuf = curwin->w_buffer;
}
#endif
#if defined(EXITFREE) || defined(PROTO)
/*
* Free all options.
*/
void
free_all_options(void)
{
int i;
for (i = 0; !istermoption_idx(i); i++)
{
if (options[i].indir == PV_NONE)
{
// global option: free value and default value.
if ((options[i].flags & P_ALLOCED) && options[i].var != NULL)
free_string_option(*(char_u **)options[i].var);
if (options[i].flags & P_DEF_ALLOCED)
free_string_option(options[i].def_val[VI_DEFAULT]);
}
else if (options[i].var != VAR_WIN
&& (options[i].flags & P_STRING))
// buffer-local option: free global value
clear_string_option((char_u **)options[i].var);
}
free_operatorfunc_option();
free_tagfunc_option();
}
#endif
/*
* Initialize the options, part two: After getting Rows and Columns and
* setting 'term'.
*/
void
set_init_2(void)
{
int idx;
// 'scroll' defaults to half the window height. The stored default is zero,
// which results in the actual value computed from the window height.
idx = findoption((char_u *)"scroll");
if (idx >= 0 && !(options[idx].flags & P_WAS_SET))
set_option_default(idx, OPT_LOCAL, p_cp);
comp_col();
// 'window' is only for backwards compatibility with Vi.
// Default is Rows - 1.
if (!option_was_set((char_u *)"window"))
p_window = Rows - 1;
set_number_default("window", Rows - 1);
// For DOS console the default is always black.
#if !((defined(MSWIN)) && !defined(FEAT_GUI))
// If 'background' wasn't set by the user, try guessing the value,
// depending on the terminal name. Only need to check for terminals
// with a dark background, that can handle color.
idx = findoption((char_u *)"bg");
if (idx >= 0 && !(options[idx].flags & P_WAS_SET)
&& *term_bg_default() == 'd')
{
set_string_option_direct(NULL, idx, (char_u *)"dark", OPT_FREE, 0);
// don't mark it as set, when starting the GUI it may be
// changed again
options[idx].flags &= ~P_WAS_SET;
}
#endif
#ifdef CURSOR_SHAPE
parse_shape_opt(SHAPE_CURSOR); // set cursor shapes from 'guicursor'
#endif
#ifdef FEAT_MOUSESHAPE
parse_shape_opt(SHAPE_MOUSE); // set mouse shapes from 'mouseshape'
#endif
#ifdef FEAT_PRINTER
(void)parse_printoptions(NULL); // parse 'printoptions' default value
#endif
}
/*
* Initialize the options, part three: After reading the .vimrc
*/
void
set_init_3(void)
{
#if defined(UNIX) || defined(MSWIN)
/*
* Set 'shellpipe' and 'shellredir', depending on the 'shell' option.
* This is done after other initializations, where 'shell' might have been
* set, but only if they have not been set before.
*/
char_u *p;
int idx_srr;
int do_srr;
# ifdef FEAT_QUICKFIX
int idx_sp;
int do_sp;
# endif
idx_srr = findoption((char_u *)"srr");
if (idx_srr < 0)
do_srr = FALSE;
else
do_srr = !(options[idx_srr].flags & P_WAS_SET);
# ifdef FEAT_QUICKFIX
idx_sp = findoption((char_u *)"sp");
if (idx_sp < 0)
do_sp = FALSE;
else
do_sp = !(options[idx_sp].flags & P_WAS_SET);
# endif
p = get_isolated_shell_name();
if (p != NULL)
{
// Default for p_sp is "| tee", for p_srr is ">".
// For known shells it is changed here to include stderr.
if ( fnamecmp(p, "csh") == 0
|| fnamecmp(p, "tcsh") == 0
# if defined(MSWIN) // also check with .exe extension
|| fnamecmp(p, "csh.exe") == 0
|| fnamecmp(p, "tcsh.exe") == 0
# endif
)
{
# if defined(FEAT_QUICKFIX)
if (do_sp)
{
# ifdef MSWIN
p_sp = (char_u *)">&";
# else
p_sp = (char_u *)"|& tee";
# endif
options[idx_sp].def_val[VI_DEFAULT] = p_sp;
}
# endif
if (do_srr)
{
p_srr = (char_u *)">&";
options[idx_srr].def_val[VI_DEFAULT] = p_srr;
}
}
# ifdef MSWIN
// Windows PowerShell output is UTF-16 with BOM so re-encode to the
// current codepage.
else if ( fnamecmp(p, "powershell") == 0
|| fnamecmp(p, "powershell.exe") == 0
)
{
# if defined(FEAT_QUICKFIX)
if (do_sp)
{
p_sp = (char_u *)"2>&1 | Out-File -Encoding default";
options[idx_sp].def_val[VI_DEFAULT] = p_sp;
}
# endif
if (do_srr)
{
p_srr = (char_u *)"2>&1 | Out-File -Encoding default";
options[idx_srr].def_val[VI_DEFAULT] = p_srr;
}
}
#endif
else
// Always use POSIX shell style redirection if we reach this
if ( fnamecmp(p, "sh") == 0
|| fnamecmp(p, "ksh") == 0
|| fnamecmp(p, "mksh") == 0
|| fnamecmp(p, "pdksh") == 0
|| fnamecmp(p, "zsh") == 0
|| fnamecmp(p, "zsh-beta") == 0
|| fnamecmp(p, "bash") == 0
|| fnamecmp(p, "fish") == 0
|| fnamecmp(p, "ash") == 0
|| fnamecmp(p, "dash") == 0
|| fnamecmp(p, "pwsh") == 0
# ifdef MSWIN
|| fnamecmp(p, "cmd") == 0
|| fnamecmp(p, "sh.exe") == 0
|| fnamecmp(p, "ksh.exe") == 0
|| fnamecmp(p, "mksh.exe") == 0
|| fnamecmp(p, "pdksh.exe") == 0
|| fnamecmp(p, "zsh.exe") == 0
|| fnamecmp(p, "zsh-beta.exe") == 0
|| fnamecmp(p, "bash.exe") == 0
|| fnamecmp(p, "cmd.exe") == 0
|| fnamecmp(p, "dash.exe") == 0
|| fnamecmp(p, "pwsh.exe") == 0
# endif
)
{
# if defined(FEAT_QUICKFIX)
if (do_sp)
{
# ifdef MSWIN
p_sp = (char_u *)">%s 2>&1";
# else
if (fnamecmp(p, "pwsh") == 0)
p_sp = (char_u *)">%s 2>&1";
else
p_sp = (char_u *)"2>&1| tee";
# endif
options[idx_sp].def_val[VI_DEFAULT] = p_sp;
}
# endif
if (do_srr)
{
p_srr = (char_u *)">%s 2>&1";
options[idx_srr].def_val[VI_DEFAULT] = p_srr;
}
}
vim_free(p);
}
#endif
#if defined(MSWIN)
/*
* Set 'shellcmdflag', 'shellxquote', and 'shellquote' depending on the
* 'shell' option.
* This is done after other initializations, where 'shell' might have been
* set, but only if they have not been set before.
* Default values depend on shell (cmd.exe is default shell):
*
* p_shcf p_sxq
* cmd.exe - "/c" "("
* powershell.exe - "-Command" "\""
* pwsh.exe - "-c" "\""
* "sh" like shells - "-c" "\""
*
* For Win32 p_sxq is set instead of p_shq to include shell redirection.
*/
if (strstr((char *)gettail(p_sh), "powershell") != NULL)
{
int idx_opt;
idx_opt = findoption((char_u *)"shcf");
if (idx_opt >= 0 && !(options[idx_opt].flags & P_WAS_SET))
{
p_shcf = (char_u*)"-Command";
options[idx_opt].def_val[VI_DEFAULT] = p_shcf;
}
idx_opt = findoption((char_u *)"sxq");
if (idx_opt >= 0 && !(options[idx_opt].flags & P_WAS_SET))
{
p_sxq = (char_u*)"\"";
options[idx_opt].def_val[VI_DEFAULT] = p_sxq;
}
}
else if (strstr((char *)gettail(p_sh), "sh") != NULL)
{
int idx3;
idx3 = findoption((char_u *)"shcf");
if (idx3 >= 0 && !(options[idx3].flags & P_WAS_SET))
{
p_shcf = (char_u *)"-c";
options[idx3].def_val[VI_DEFAULT] = p_shcf;
}
// Somehow Win32 requires the quotes around the redirection too
idx3 = findoption((char_u *)"sxq");
if (idx3 >= 0 && !(options[idx3].flags & P_WAS_SET))
{
p_sxq = (char_u *)"\"";
options[idx3].def_val[VI_DEFAULT] = p_sxq;
}
}
else if (strstr((char *)gettail(p_sh), "cmd.exe") != NULL)
{
int idx3;
/*
* cmd.exe on Windows will strip the first and last double quote given
* on the command line, e.g. most of the time things like:
* cmd /c "my path/to/echo" "my args to echo"
* become:
* my path/to/echo" "my args to echo
* when executed.
*
* To avoid this, set shellxquote to surround the command in
* parenthesis. This appears to make most commands work, without
* breaking commands that worked previously, such as
* '"path with spaces/cmd" "a&b"'.
*/
idx3 = findoption((char_u *)"sxq");
if (idx3 >= 0 && !(options[idx3].flags & P_WAS_SET))
{
p_sxq = (char_u *)"(";
options[idx3].def_val[VI_DEFAULT] = p_sxq;
}
idx3 = findoption((char_u *)"shcf");
if (idx3 >= 0 && !(options[idx3].flags & P_WAS_SET))
{
p_shcf = (char_u *)"/c";
options[idx3].def_val[VI_DEFAULT] = p_shcf;
}
}
#endif
if (BUFEMPTY())
{
int idx_ffs = findoption((char_u *)"ffs");
// Apply the first entry of 'fileformats' to the initial buffer.
if (idx_ffs >= 0 && (options[idx_ffs].flags & P_WAS_SET))
set_fileformat(default_fileformat(), OPT_LOCAL);
}
set_title_defaults();
}
#if defined(FEAT_MULTI_LANG) || defined(PROTO)
/*
* When 'helplang' is still at its default value, set it to "lang".
* Only the first two characters of "lang" are used.
*/
void
set_helplang_default(char_u *lang)
{
int idx;
if (lang == NULL || STRLEN(lang) < 2) // safety check
return;
idx = findoption((char_u *)"hlg");
if (idx < 0 || (options[idx].flags & P_WAS_SET))
return;
if (options[idx].flags & P_ALLOCED)
free_string_option(p_hlg);
p_hlg = vim_strsave(lang);
if (p_hlg == NULL)
p_hlg = empty_option;
else
{
// zh_CN becomes "cn", zh_TW becomes "tw"
if (STRNICMP(p_hlg, "zh_", 3) == 0 && STRLEN(p_hlg) >= 5)
{
p_hlg[0] = TOLOWER_ASC(p_hlg[3]);
p_hlg[1] = TOLOWER_ASC(p_hlg[4]);
}
// any C like setting, such as C.UTF-8, becomes "en"
else if (STRLEN(p_hlg) >= 1 && *p_hlg == 'C')
{
p_hlg[0] = 'e';
p_hlg[1] = 'n';
}
p_hlg[2] = NUL;
}
options[idx].flags |= P_ALLOCED;
}
#endif
/*
* 'title' and 'icon' only default to true if they have not been set or reset
* in .vimrc and we can read the old value.
* When 'title' and 'icon' have been reset in .vimrc, we won't even check if
* they can be reset. This reduces startup time when using X on a remote
* machine.
*/
void
set_title_defaults(void)
{
int idx1;
long val;
// If GUI is (going to be) used, we can always set the window title and
// icon name. Saves a bit of time, because the X11 display server does
// not need to be contacted.
idx1 = findoption((char_u *)"title");
if (idx1 >= 0 && !(options[idx1].flags & P_WAS_SET))
{
#ifdef FEAT_GUI
if (gui.starting || gui.in_use)
val = TRUE;
else
#endif
val = mch_can_restore_title();
options[idx1].def_val[VI_DEFAULT] = (char_u *)(long_i)val;
p_title = val;
}
idx1 = findoption((char_u *)"icon");
if (idx1 < 0 || (options[idx1].flags & P_WAS_SET))
{
return;
}
#ifdef FEAT_GUI
if (gui.starting || gui.in_use)
val = TRUE;
else
#endif
val = mch_can_restore_icon();
options[idx1].def_val[VI_DEFAULT] = (char_u *)(long_i)val;
p_icon = val;
}
void
ex_set(exarg_T *eap)
{
int flags = 0;
if (eap->cmdidx == CMD_setlocal)
flags = OPT_LOCAL;
else if (eap->cmdidx == CMD_setglobal)
flags = OPT_GLOBAL;
#if defined(FEAT_EVAL) && defined(FEAT_BROWSE)
if ((cmdmod.cmod_flags & CMOD_BROWSE) && flags == 0)
ex_options(eap);
else
#endif
{
if (eap->forceit)
flags |= OPT_ONECOLUMN;
(void)do_set(eap->arg, flags);
}
}
/*
* :set boolean option prefix
*/
typedef enum {
PREFIX_NO = 0, // "no" prefix
PREFIX_NONE, // no prefix
PREFIX_INV, // "inv" prefix
} set_prefix_T;
/*
* Return the prefix type for the option name in *argp.
*/
static set_prefix_T
get_option_prefix(char_u **argp)
{
int prefix = PREFIX_NONE;
char_u *arg = *argp;
if (STRNCMP(arg, "no", 2) == 0 && STRNCMP(arg, "novice", 6) != 0)
{
prefix = PREFIX_NO;
arg += 2;
}
else if (STRNCMP(arg, "inv", 3) == 0)
{
prefix = PREFIX_INV;
arg += 3;
}
*argp = arg;
return prefix;
}
/*
* Parse the option name in "arg" and return the option index in "*opt_idxp",
* and the option name length in "*lenp". For a <t_xx> option, return the key
* number in "*keyp".
*
* Returns FAIL if an option starting with "<" doesn't end with a ">",
* otherwise returns OK.
*/
static int
parse_option_name(char_u *arg, int *opt_idxp, int *lenp, int *keyp)
{
int key = 0;
int len;
int opt_idx;
if (*arg == '<')
{
opt_idx = -1;
// look out for <t_>;>
if (arg[1] == 't' && arg[2] == '_' && arg[3] && arg[4])
len = 5;
else
{
len = 1;
while (arg[len] != NUL && arg[len] != '>')
++len;
}
if (arg[len] != '>')
return FAIL;
arg[len] = NUL; // put NUL after name
if (arg[1] == 't' && arg[2] == '_') // could be term code
opt_idx = findoption(arg + 1);
arg[len++] = '>'; // restore '>'
if (opt_idx == -1)
key = find_key_option(arg + 1, TRUE);
}
else
{
int nextchar; // next non-white char after option name
len = 0;
// The two characters after "t_" may not be alphanumeric.
if (arg[0] == 't' && arg[1] == '_' && arg[2] && arg[3])
len = 4;
else
while (ASCII_ISALNUM(arg[len]) || arg[len] == '_')
++len;
nextchar = arg[len];
arg[len] = NUL; // put NUL after name
opt_idx = findoption(arg);
arg[len] = nextchar; // restore nextchar
if (opt_idx == -1)
key = find_key_option(arg, FALSE);
}
*keyp = key;
*lenp = len;
*opt_idxp = opt_idx;
return OK;
}
/*
* Get the option operator (+=, ^=, -=).
*/
static set_op_T
get_opt_op(char_u *arg)
{
set_op_T op = OP_NONE;
if (*arg != NUL && *(arg + 1) == '=')
{
if (*arg == '+')
op = OP_ADDING; // "+="
else if (*arg == '^')
op = OP_PREPENDING; // "^="
else if (*arg == '-')
op = OP_REMOVING; // "-="
}
return op;
}
/*
* Validate whether the value of the option in "opt_idx" can be changed.
* Returns FAIL if the option can be skipped or cannot be changed. Returns OK
* if it can be changed.
*/
static int
validate_opt_idx(int opt_idx, int opt_flags, long_u flags, char **errmsg)
{
// Skip all options that are not window-local (used when showing
// an already loaded buffer in a window).
if ((opt_flags & OPT_WINONLY)
&& (opt_idx < 0 || options[opt_idx].var != VAR_WIN))
return FAIL;
// Skip all options that are window-local (used for :vimgrep).
if ((opt_flags & OPT_NOWIN) && opt_idx >= 0
&& options[opt_idx].var == VAR_WIN)
return FAIL;
// Disallow changing some options from modelines.
if (opt_flags & OPT_MODELINE)
{
if (flags & (P_SECURE | P_NO_ML))
{
*errmsg = e_not_allowed_in_modeline;
return FAIL;
}
if ((flags & P_MLE) && !p_mle)
{
*errmsg = e_not_allowed_in_modeline_when_modelineexpr_is_off;
return FAIL;
}
#ifdef FEAT_DIFF
// In diff mode some options are overruled. This avoids that
// 'foldmethod' becomes "marker" instead of "diff" and that
// "wrap" gets set.
if (curwin->w_p_diff
&& opt_idx >= 0 // shut up coverity warning
&& (
# ifdef FEAT_FOLDING
options[opt_idx].indir == PV_FDM ||
# endif
options[opt_idx].indir == PV_WRAP))
return FAIL;
#endif
}
#ifdef HAVE_SANDBOX
// Disallow changing some options in the sandbox
if (sandbox != 0 && (flags & P_SECURE))
{
*errmsg = e_not_allowed_in_sandbox;
return FAIL;
}
#endif
return OK;
}
/*
* Get the Vim/Vi default value for a string option.
*/
static char_u *
stropt_get_default_val(
int opt_idx,
char_u *varp,
int flags,
int cp_val)
{
char_u *newval;
newval = options[opt_idx].def_val[((flags & P_VI_DEF) || cp_val)
? VI_DEFAULT : VIM_DEFAULT];
if ((char_u **)varp == &p_bg)
{
// guess the value of 'background'
#ifdef FEAT_GUI
if (gui.in_use)
newval = gui_bg_default();
else
#endif
newval = term_bg_default();
}
else if ((char_u **)varp == &p_fencs && enc_utf8)
newval = fencs_utf8_default;
// expand environment variables and ~ since the default value was
// already expanded, only required when an environment variable was set
// later
if (newval == NULL)
newval = empty_option;
else
{
char_u *s = option_expand(opt_idx, newval);
if (s == NULL)
s = newval;
newval = vim_strsave(s);
}
return newval;
}
/*
* Convert the 'backspace' option number value to a string: for adding,
* prepending and removing string.
*/
static void
opt_backspace_nr2str(
char_u *varp,
char_u **origval_p,
char_u **origval_l_p,
char_u **origval_g_p,
char_u **oldval_p)
{
int i = getdigits((char_u **)varp);
switch (i)
{
case 0:
*(char_u **)varp = empty_option;
break;
case 1:
*(char_u **)varp = vim_strsave((char_u *)"indent,eol");
break;
case 2:
*(char_u **)varp = vim_strsave((char_u *)"indent,eol,start");
break;
case 3:
*(char_u **)varp = vim_strsave((char_u *)"indent,eol,nostop");
break;
}
vim_free(*oldval_p);
if (*origval_p == *oldval_p)
*origval_p = *(char_u **)varp;
if (*origval_l_p == *oldval_p)
*origval_l_p = *(char_u **)varp;
if (*origval_g_p == *oldval_p)
*origval_g_p = *(char_u **)varp;
*oldval_p = *(char_u **)varp;
}
/*
* Convert the 'whichwrap' option number value to a string, for backwards
* compatibility with Vim 3.0.
* Note: 'argp' is a pointer to a char_u pointer and is updated.
*/
static char_u *
opt_whichwrap_nr2str(char_u **argp, char_u *whichwrap)
{
*whichwrap = NUL;
int i = getdigits(argp);
if (i & 1)
STRCAT(whichwrap, "b,");
if (i & 2)
STRCAT(whichwrap, "s,");
if (i & 4)
STRCAT(whichwrap, "h,l,");
if (i & 8)
STRCAT(whichwrap, "<,>,");
if (i & 16)
STRCAT(whichwrap, "[,],");
if (*whichwrap != NUL) // remove trailing ,
whichwrap[STRLEN(whichwrap) - 1] = NUL;
return whichwrap;
}
/*
* Copy the new string value into allocated memory for the option.
* Can't use set_string_option_direct(), because we need to remove the
* backslashes.
*/
static char_u *
stropt_copy_value(
char_u *origval,
char_u **argp,
set_op_T op,
int flags UNUSED)
{
char_u *arg = *argp;
unsigned newlen;
char_u *newval;
char_u *s = NULL;
// get a bit too much
newlen = (unsigned)STRLEN(arg) + 1;
if (op != OP_NONE)
newlen += (unsigned)STRLEN(origval) + 1;
newval = alloc(newlen);
if (newval == NULL) // out of mem, don't change
return NULL;
s = newval;
// Copy the string, skip over escaped chars.
// For MS-DOS and WIN32 backslashes before normal file name characters
// are not removed, and keep backslash at start, for "\\machine\path",
// but do remove it for "\\\\machine\\path".
// The reverse is found in escape_option_str_cmdline().
while (*arg != NUL && !VIM_ISWHITE(*arg))
{
int i;
if (*arg == '\\' && arg[1] != NUL
#ifdef BACKSLASH_IN_FILENAME
&& !((flags & P_EXPAND)
&& vim_isfilec(arg[1])
&& !VIM_ISWHITE(arg[1])
&& (arg[1] != '\\'
|| (s == newval && arg[2] != '\\')))
#endif
)
++arg; // remove backslash
if (has_mbyte && (i = (*mb_ptr2len)(arg)) > 1)
{
// copy multibyte char
mch_memmove(s, arg, (size_t)i);
arg += i;
s += i;
}
else
*s++ = *arg++;
}
*s = NUL;
*argp = arg;
return newval;
}
/*
* Expand environment variables and ~ in string option value 'newval'.
*/
static char_u *
stropt_expand_envvar(
int opt_idx,
char_u *origval,
char_u *newval,
set_op_T op)
{
char_u *s = option_expand(opt_idx, newval);
if (s == NULL)
return newval;
vim_free(newval);
unsigned newlen = (unsigned)STRLEN(s) + 1;
if (op != OP_NONE)
newlen += (unsigned)STRLEN(origval) + 1;
newval = alloc(newlen);
if (newval == NULL)
return NULL;
STRCPY(newval, s);
return newval;
}
/*
* Concatenate the original and new values of a string option, adding a "," if
* needed.
*/
static void
stropt_concat_with_comma(
char_u *origval,
char_u *newval,
set_op_T op,
int flags)
{
int len = 0;
int comma = ((flags & P_COMMA) && *origval != NUL && *newval != NUL);
if (op == OP_ADDING)
{
len = (int)STRLEN(origval);
// strip a trailing comma, would get 2
if (comma && len > 1
&& (flags & P_ONECOMMA) == P_ONECOMMA
&& origval[len - 1] == ','
&& origval[len - 2] != '\\')
len--;
mch_memmove(newval + len + comma, newval, STRLEN(newval) + 1);
mch_memmove(newval, origval, (size_t)len);
}
else
{
len = (int)STRLEN(newval);
STRMOVE(newval + len + comma, origval);
}
if (comma)
newval[len] = ',';
}
/*
* Remove a value from a string option. Copy string option value in "origval"
* to "newval" and then remove the string "strval" of length "len".
*/
static void
stropt_remove_val(
char_u *origval,
char_u *newval,
int flags,
char_u *strval,
int len)
{
// Remove newval[] from origval[]. (Note: "len" has been set above
// and is used here).
STRCPY(newval, origval);
if (*strval)
{
// may need to remove a comma
if (flags & P_COMMA)
{
if (strval == origval)
{
// include comma after string
if (strval[len] == ',')
++len;
}
else
{
// include comma before string
--strval;
++len;
}
}
STRMOVE(newval + (strval - origval), strval + len);
}
}
/*
* Remove flags that appear twice in the string option value 'newval'.
*/
static void
stropt_remove_dupflags(char_u *newval, int flags)
{
char_u *s = newval;
// Remove flags that appear twice.
while (*s)
{
// if options have P_FLAGLIST and P_ONECOMMA such as 'whichwrap'
if (flags & P_ONECOMMA)
{
if (*s != ',' && *(s + 1) == ',' && vim_strchr(s + 2, *s) != NULL)
{
// Remove the duplicated value and the next comma.
STRMOVE(s, s + 2);
continue;
}
}
else
{
if ((!(flags & P_COMMA) || *s != ',')
&& vim_strchr(s + 1, *s) != NULL)
{
STRMOVE(s, s + 1);
continue;
}
}
++s;
}
}
/*
* Get the string value specified for a ":set" command. The following set
* options are supported:
* set {opt}&
* set {opt}<
* set {opt}={val}
* set {opt}:{val}
*/
static char_u *
stropt_get_newval(
int nextchar,
int opt_idx,
char_u **argp,
char_u *varp,
char_u **origval_arg,
char_u **origval_l_arg,
char_u **origval_g_arg,
char_u **oldval_arg,
set_op_T *op_arg,
int flags,
int cp_val)
{
char_u *arg = *argp;
char_u *origval = *origval_arg;
char_u *origval_l = *origval_l_arg;
char_u *origval_g = *origval_g_arg;
char_u *oldval = *oldval_arg;
set_op_T op = *op_arg;
char_u *save_arg = NULL;
char_u *newval;
char_u *s = NULL;
char_u whichwrap[80];
if (nextchar == '&') // set to default val
newval = stropt_get_default_val(opt_idx, varp, flags, cp_val);
else if (nextchar == '<') // set to global val
newval = vim_strsave(*(char_u **)get_varp_scope(
&(options[opt_idx]), OPT_GLOBAL));
else
{
++arg; // jump to after the '=' or ':'
// Set 'keywordprg' to ":help" if an empty
// value was passed to :set by the user.
if (varp == (char_u *)&p_kp && (*arg == NUL || *arg == ' '))
{
save_arg = arg;
arg = (char_u *)":help";
}
// Convert 'backspace' number to string
else if (varp == (char_u *)&p_bs && VIM_ISDIGIT(**(char_u **)varp))
opt_backspace_nr2str(varp, &origval, &origval_l, &origval_g,
&oldval);
else if (varp == (char_u *)&p_ww && VIM_ISDIGIT(*arg))
{
// Convert 'whichwrap' number to string, for backwards
// compatibility with Vim 3.0.
char_u *t = opt_whichwrap_nr2str(&arg, whichwrap);
save_arg = arg;
arg = t;
}
// Remove '>' before 'dir' and 'bdir', for backwards compatibility with
// version 3.0
else if (*arg == '>' && (varp == (char_u *)&p_dir
|| varp == (char_u *)&p_bdir))
++arg;
// Copy the new string into allocated memory.
newval = stropt_copy_value(origval, &arg, op, flags);
if (newval == NULL)
goto done;
// Expand environment variables and ~.
// Don't do it when adding without inserting a comma.
if (op == OP_NONE || (flags & P_COMMA))
{
newval = stropt_expand_envvar(opt_idx, origval, newval, op);
if (newval == NULL)
goto done;
}
// locate newval[] in origval[] when removing it and when adding to
// avoid duplicates
int len = 0;
if (op == OP_REMOVING || (flags & P_NODUP))
{
len = (int)STRLEN(newval);
s = find_dup_item(origval, newval, flags);
// do not add if already there
if ((op == OP_ADDING || op == OP_PREPENDING) && s != NULL)
{
op = OP_NONE;
STRCPY(newval, origval);
}
// if no duplicate, move pointer to end of original value
if (s == NULL)
s = origval + (int)STRLEN(origval);
}
// concatenate the two strings; add a ',' if needed
if (op == OP_ADDING || op == OP_PREPENDING)
stropt_concat_with_comma(origval, newval, op, flags);
else if (op == OP_REMOVING)
// Remove newval[] from origval[]. (Note: "len" has been set above
// and is used here).
stropt_remove_val(origval, newval, flags, s, len);
if (flags & P_FLAGLIST)
// Remove flags that appear twice.
stropt_remove_dupflags(newval, flags);
}
done:
if (save_arg != NULL)
arg = save_arg; // arg was temporarily changed, restore it
*argp = arg;
*origval_arg = origval;
*origval_l_arg = origval_l;
*origval_g_arg = origval_g;
*oldval_arg = oldval;
*op_arg = op;
return newval;
}
/*
* Part of do_set() for string options.
* Returns FAIL on failure, do not process further options.
*/
static int
do_set_option_string(
int opt_idx,
int opt_flags,
char_u **argp,
int nextchar,
set_op_T op_arg,
long_u flags,
int cp_val,
char_u *varp_arg,
char *errbuf,
size_t errbuflen,
int *value_checked,
char **errmsg)
{
char_u *arg = *argp;
set_op_T op = op_arg;
char_u *varp = varp_arg;
char_u *oldval = NULL; // previous value if *varp
char_u *newval;
char_u *origval = NULL;
char_u *origval_l = NULL;
char_u *origval_g = NULL;
#if defined(FEAT_EVAL)
char_u *saved_origval = NULL;
char_u *saved_origval_l = NULL;
char_u *saved_origval_g = NULL;
char_u *saved_newval = NULL;
#endif
// When using ":set opt=val" for a global option
// with a local value the local value will be
// reset, use the global value here.
if ((opt_flags & (OPT_LOCAL | OPT_GLOBAL)) == 0
&& ((int)options[opt_idx].indir & PV_BOTH))
varp = options[opt_idx].var;
// The old value is kept until we are sure that the new value is valid.
oldval = *(char_u **)varp;
if ((opt_flags & (OPT_LOCAL | OPT_GLOBAL)) == 0)
{
origval_l = *(char_u **)get_varp_scope(
&(options[opt_idx]), OPT_LOCAL);
origval_g = *(char_u **)get_varp_scope(
&(options[opt_idx]), OPT_GLOBAL);
// A global-local string option might have an empty option as value to
// indicate that the global value should be used.
if (((int)options[opt_idx].indir & PV_BOTH)
&& origval_l == empty_option)
origval_l = origval_g;
}
// When setting the local value of a global option, the old value may be
// the global value.
if (((int)options[opt_idx].indir & PV_BOTH) && (opt_flags & OPT_LOCAL))
origval = *(char_u **)get_varp(&options[opt_idx]);
else
origval = oldval;
// Get the new value for the option
newval = stropt_get_newval(nextchar, opt_idx, &arg, varp, &origval,
&origval_l, &origval_g, &oldval, &op, flags,
cp_val);
// Set the new value.
*(char_u **)(varp) = newval;
if (newval == NULL)
*(char_u **)(varp) = empty_option;
#if defined(FEAT_EVAL)
if (!starting
# ifdef FEAT_CRYPT
&& options[opt_idx].indir != PV_KEY
# endif
&& origval != NULL && newval != NULL)
{
// origval may be freed by did_set_string_option(), make a copy.
saved_origval = vim_strsave(origval);
// newval (and varp) may become invalid if the buffer is closed by
// autocommands.
saved_newval = vim_strsave(newval);
if (origval_l != NULL)
saved_origval_l = vim_strsave(origval_l);
if (origval_g != NULL)
saved_origval_g = vim_strsave(origval_g);
}
#endif
{
long_u *p = insecure_flag(opt_idx, opt_flags);
int secure_saved = secure;
// When an option is set in the sandbox, from a modeline or in secure
// mode, then deal with side effects in secure mode. Also when the
// value was set with the P_INSECURE flag and is not completely
// replaced.
if ((opt_flags & OPT_MODELINE)
#ifdef HAVE_SANDBOX
|| sandbox != 0
#endif
|| (op != OP_NONE && (*p & P_INSECURE)))
secure = 1;
// Handle side effects, and set the global value for ":set" on local
// options. Note: when setting 'syntax' or 'filetype' autocommands may
// be triggered that can cause havoc.
*errmsg = did_set_string_option(
opt_idx, (char_u **)varp, oldval, newval, errbuf,
errbuflen, opt_flags, op, value_checked);
secure = secure_saved;
}
#if defined(FEAT_EVAL)
if (*errmsg == NULL)
trigger_optionset_string(opt_idx, opt_flags, saved_origval,
saved_origval_l, saved_origval_g, saved_newval);
vim_free(saved_origval);
vim_free(saved_origval_l);
vim_free(saved_origval_g);
vim_free(saved_newval);
#endif
*argp = arg;
return *errmsg == NULL ? OK : FAIL;
}
/*
* Set a boolean option.
* Returns an untranslated error message or NULL.
*/
static char *
do_set_option_bool(
int opt_idx,
int opt_flags,
set_prefix_T prefix,
long_u flags,
char_u *varp,
int nextchar,
int afterchar,
int cp_val)
{
varnumber_T value;
if (nextchar == '=' || nextchar == ':')
return e_invalid_argument;
if (opt_idx < 0 || varp == NULL)
return NULL; // "cannot happen"
// ":set opt!": invert
// ":set opt&": reset to default value
// ":set opt<": reset to global value
if (nextchar == '!')
value = *(int *)(varp) ^ 1;
else if (nextchar == '&')
value = (int)(long)(long_i)options[opt_idx].def_val[
((flags & P_VI_DEF) || cp_val) ? VI_DEFAULT : VIM_DEFAULT];
else if (nextchar == '<')
{
// For 'autoread' -1 means to use global value.
if ((int *)varp == &curbuf->b_p_ar && opt_flags == OPT_LOCAL)
value = -1;
else
value = *(int *)get_varp_scope(&(options[opt_idx]), OPT_GLOBAL);
}
else
{
// ":set invopt": invert
// ":set opt" or ":set noopt": set or reset
if (nextchar != NUL && !VIM_ISWHITE(afterchar))
return e_trailing_characters;
if (prefix == PREFIX_INV)
value = *(int *)(varp) ^ 1;
else
value = prefix == PREFIX_NO ? 0 : 1;
}
return set_bool_option(opt_idx, varp, (int)value, opt_flags);
}
/*
* Set a numeric option.
* Returns an untranslated error message or NULL.
*/
static char *
do_set_option_numeric(
int opt_idx,
int opt_flags,
char_u **argp,
int nextchar,
set_op_T op,
long_u flags,
int cp_val,
char_u *varp,
char *errbuf,
size_t errbuflen)
{
char_u *arg = *argp;
varnumber_T value;
int i;
char *errmsg = NULL;
if (opt_idx < 0 || varp == NULL)
return NULL; // "cannot happen"
//
/*
* Different ways to set a number option:
* & set to default value
* < set to global value
* <xx> accept special key codes for 'wildchar'
* c accept any non-digit for 'wildchar'
* [-]0-9 set number
* other error
*/
++arg;
if (nextchar == '&')
value = (long)(long_i)options[opt_idx].def_val[
((flags & P_VI_DEF) || cp_val) ? VI_DEFAULT : VIM_DEFAULT];
else if (nextchar == '<')
{
if ((long *)varp == &curbuf->b_p_ul && opt_flags == OPT_LOCAL)
// for 'undolevels' NO_LOCAL_UNDOLEVEL means using the global value
value = NO_LOCAL_UNDOLEVEL;
else if (opt_flags == OPT_LOCAL
&& ((long *)varp == &curwin->w_p_siso
|| (long *)varp == &curwin->w_p_so))
// for 'scrolloff'/'sidescrolloff' -1 means using the global value
value = -1;
else
value = *(long *)get_varp_scope(&(options[opt_idx]), OPT_GLOBAL);
}
else if (((long *)varp == &p_wc || (long *)varp == &p_wcm)
&& (*arg == '<'
|| *arg == '^'
|| (*arg != NUL
&& (!arg[1] || VIM_ISWHITE(arg[1]))
&& !VIM_ISDIGIT(*arg))))
{
value = string_to_key(arg, FALSE);
if (value == 0 && (long *)varp != &p_wcm)
{
errmsg = e_invalid_argument;
goto skip;
}
}
else if (*arg == '-' || VIM_ISDIGIT(*arg))
{
// Allow negative (for 'undolevels'), octal and hex numbers.
vim_str2nr(arg, NULL, &i, STR2NR_ALL, &value, NULL, 0, TRUE, NULL);
if (i == 0 || (arg[i] != NUL && !VIM_ISWHITE(arg[i])))
{
errmsg = e_number_required_after_equal;
goto skip;
}
}
else
{
errmsg = e_number_required_after_equal;
goto skip;
}
if (op == OP_ADDING)
value = *(long *)varp + value;
else if (op == OP_PREPENDING)
value = *(long *)varp * value;
else if (op == OP_REMOVING)
value = *(long *)varp - value;
errmsg = set_num_option(opt_idx, varp, value, errbuf, errbuflen,
opt_flags);
skip:
*argp = arg;
return errmsg;
}
/*
* Set a key code (t_xx) option
*/
static char *
do_set_option_keycode(char_u **argp, char_u *key_name, int nextchar)
{
char_u *arg = *argp;
char_u *p;
if (nextchar == '&')
{
if (add_termcap_entry(key_name, TRUE) == FAIL)
return e_not_found_in_termcap;
}
else
{
++arg; // jump to after the '=' or ':'
for (p = arg; *p && !VIM_ISWHITE(*p); ++p)
if (*p == '\\' && p[1] != NUL)
++p;
nextchar = *p;
*p = NUL;
add_termcode(key_name, arg, FALSE);
*p = nextchar;
}
if (full_screen)
ttest(FALSE);
redraw_all_later(UPD_CLEAR);
*argp = arg;
return NULL;
}
/*
* Set an option to a new value.
*/
static char *
do_set_option_value(
int opt_idx,
int opt_flags,
char_u **argp,
set_prefix_T prefix,
set_op_T op,
long_u flags,
char_u *varp,
char_u *key_name,
int nextchar,
int afterchar,
int cp_val,
int *stopopteval,
char *errbuf,
size_t errbuflen)
{
int value_checked = FALSE;
char *errmsg = NULL;
char_u *arg = *argp;
if (flags & P_BOOL)
{
// boolean option
errmsg = do_set_option_bool(opt_idx, opt_flags, prefix, flags, varp,
nextchar, afterchar, cp_val);
if (errmsg != NULL)
goto skip;
}
else
{
// numeric or string option
if (vim_strchr((char_u *)"=:&<", nextchar) == NULL
|| prefix != PREFIX_NONE)
{
errmsg = e_invalid_argument;
goto skip;
}
if (flags & P_NUM)
{
// numeric option
errmsg = do_set_option_numeric(opt_idx, opt_flags, &arg, nextchar,
op, flags, cp_val, varp,
errbuf, errbuflen);
if (errmsg != NULL)
goto skip;
}
else if (opt_idx >= 0)
{
// string option
if (do_set_option_string(opt_idx, opt_flags, &arg, nextchar, op,
flags, cp_val, varp, errbuf, errbuflen,
&value_checked, &errmsg) == FAIL)
{
if (errmsg != NULL)
goto skip;
*stopopteval = TRUE;
goto skip;
}
}
else
{
// key code option
errmsg = do_set_option_keycode(&arg, key_name, nextchar);
if (errmsg != NULL)
goto skip;
}
}
if (opt_idx >= 0)
did_set_option(opt_idx, opt_flags, op == OP_NONE, value_checked);
skip:
*argp = arg;
return errmsg;
}
/*
* Set an option to a new value.
* Return NULL if OK, return an untranslated error message when something is
* wrong. "errbuf[errbuflen]" can be used to create the error message.
*/
static char *
do_set_option(
int opt_flags,
char_u **argp,
char_u *arg_start,
char_u **startarg,
int *did_show,
int *stopopteval,
char *errbuf,
size_t errbuflen)
{
int opt_idx;
char_u *arg;
set_prefix_T prefix; // no prefix, "no" prefix or "inv" prefix
set_op_T op;
long_u flags; // flags for current option
char_u *varp; // pointer to variable for current option
char_u key_name[2];
int nextchar; // next non-white char after option name
int afterchar; // character just after option name
char *errmsg = NULL;
int key;
int len;
prefix = get_option_prefix(argp);
arg = *argp;
// find end of name
key = 0;
if (parse_option_name(arg, &opt_idx, &len, &key) == FAIL)
return e_invalid_argument;
// remember character after option name
afterchar = arg[len];
if (in_vim9script())
{
char_u *p = skipwhite(arg + len);
// disallow white space before =val, +=val, -=val, ^=val
if (p > arg + len && (p[0] == '='
|| (vim_strchr((char_u *)"+-^", p[0]) != NULL
&& p[1] == '=')))
{
errmsg = e_no_white_space_allowed_between_option_and;
arg = p;
*startarg = p;
goto skip;
}
}
else
// skip white space, allow ":set ai ?", ":set hlsearch !"
while (VIM_ISWHITE(arg[len]))
++len;
op = get_opt_op(arg + len);
if (op != OP_NONE)
len++;
nextchar = arg[len];
if (opt_idx == -1 && key == 0) // found a mismatch: skip
{
if (in_vim9script() && arg > arg_start
&& vim_strchr((char_u *)"!&<", *arg) != NULL)
errmsg = e_no_white_space_allowed_between_option_and;
else
errmsg = e_unknown_option;
goto skip;
}
if (opt_idx >= 0)
{
if (options[opt_idx].var == NULL) // hidden option: skip
{
// Only give an error message when requesting the value of
// a hidden option, ignore setting it.
if (vim_strchr((char_u *)"=:!&<", nextchar) == NULL
&& (!(options[opt_idx].flags & P_BOOL)
|| nextchar == '?'))
errmsg = e_option_not_supported;
goto skip;
}
flags = options[opt_idx].flags;
varp = get_varp_scope(&(options[opt_idx]), opt_flags);
}
else
{
flags = P_STRING;
varp = NULL;
if (key < 0)
{
key_name[0] = KEY2TERMCAP0(key);
key_name[1] = KEY2TERMCAP1(key);
}
else
{
key_name[0] = KS_KEY;
key_name[1] = (key & 0xff);
}
}
// Make sure the option value can be changed.
if (validate_opt_idx(opt_idx, opt_flags, flags, &errmsg) == FAIL)
goto skip;
int cp_val = p_cp;
if (vim_strchr((char_u *)"?=:!&<", nextchar) != NULL)
{
arg += len;
if (nextchar == '&' && arg[1] == 'v' && arg[2] == 'i')
{
if (arg[3] == 'm') // "opt&vim": set to Vim default
{
cp_val = FALSE;
arg += 3;
}
else // "opt&vi": set to Vi default
{
cp_val = TRUE;
arg += 2;
}
}
if (vim_strchr((char_u *)"?!&<", nextchar) != NULL
&& arg[1] != NUL && !VIM_ISWHITE(arg[1]))
{
errmsg = e_trailing_characters;
goto skip;
}
}
// Allow '=' and ':' for historical reasons (MSDOS command.com).
// Allows only one '=' character per "set" command line. grrr. (jw)
if (nextchar == '?'
|| (prefix == PREFIX_NONE
&& vim_strchr((char_u *)"=:&<", nextchar) == NULL
&& !(flags & P_BOOL)))
{
// print value
if (*did_show)
msg_putchar('\n'); // cursor below last one
else
{
gotocmdline(TRUE); // cursor at status line
*did_show = TRUE; // remember that we did a line
}
if (opt_idx >= 0)
{
showoneopt(&options[opt_idx], opt_flags);
#ifdef FEAT_EVAL
if (p_verbose > 0)
{
// Mention where the option was last set.
if (varp == options[opt_idx].var)
last_set_msg(options[opt_idx].script_ctx);
else if ((int)options[opt_idx].indir & PV_WIN)
last_set_msg(curwin->w_p_script_ctx[
(int)options[opt_idx].indir & PV_MASK]);
else if ((int)options[opt_idx].indir & PV_BUF)
last_set_msg(curbuf->b_p_script_ctx[
(int)options[opt_idx].indir & PV_MASK]);
}
#endif
}
else
{
char_u *p;
p = find_termcode(key_name);
if (p == NULL)
{
errmsg = e_key_code_not_set;
goto skip;
}
else
(void)show_one_termcode(key_name, p, TRUE);
}
if (nextchar != '?'
&& nextchar != NUL && !VIM_ISWHITE(afterchar))
errmsg = e_trailing_characters;
}
else
{
errmsg = do_set_option_value(opt_idx, opt_flags, &arg, prefix, op,
flags, varp, key_name, nextchar,
afterchar, cp_val, stopopteval, errbuf,
errbuflen);
}
skip:
*argp = arg;
return errmsg;
}
/*
* Parse 'arg' for option settings.
*
* 'arg' may be IObuff, but only when no errors can be present and option
* does not need to be expanded with option_expand().
* "opt_flags":
* 0 for ":set"
* OPT_GLOBAL for ":setglobal"
* OPT_LOCAL for ":setlocal" and a modeline
* OPT_MODELINE for a modeline
* OPT_WINONLY to only set window-local options
* OPT_NOWIN to skip setting window-local options
* OPT_ONECOLUMN do not use multiple columns
*
* Returns FAIL if an error is detected, OK otherwise.
*/
int
do_set(
char_u *arg_start, // option string (may be written to!)
int opt_flags)
{
char_u *arg = arg_start;
int i;
int did_show = FALSE; // already showed one value
if (*arg == NUL)
{
showoptions(0, opt_flags);
did_show = TRUE;
goto theend;
}
while (*arg != NUL) // loop to process all options
{
if (STRNCMP(arg, "all", 3) == 0 && !ASCII_ISALPHA(arg[3])
&& !(opt_flags & OPT_MODELINE))
{
// ":set all" show all options.
// ":set all&" set all options to their default value.
arg += 3;
if (*arg == '&')
{
++arg;
// Only for :set command set global value of local options.
set_options_default(OPT_FREE | opt_flags);
didset_options();
didset_options2();
redraw_all_later(UPD_CLEAR);
}
else
{
showoptions(1, opt_flags);
did_show = TRUE;
}
}
else if (STRNCMP(arg, "termcap", 7) == 0 && !(opt_flags & OPT_MODELINE))
{
showoptions(2, opt_flags);
show_termcodes(opt_flags);
did_show = TRUE;
arg += 7;
}
else
{
int stopopteval = FALSE;
char *errmsg = NULL;
char errbuf[ERR_BUFLEN];
char_u *startarg = arg;
errmsg = do_set_option(opt_flags, &arg, arg_start, &startarg,
&did_show, &stopopteval, errbuf,
ERR_BUFLEN);
if (stopopteval)
break;
// Advance to next argument.
// - skip until a blank found, taking care of backslashes
// - skip blanks
// - skip one "=val" argument (for hidden options ":set gfn =xx")
for (i = 0; i < 2 ; ++i)
{
while (*arg != NUL && !VIM_ISWHITE(*arg))
if (*arg++ == '\\' && *arg != NUL)
++arg;
arg = skipwhite(arg);
if (*arg != '=')
break;
}
if (errmsg != NULL)
{
vim_strncpy(IObuff, (char_u *)_(errmsg), IOSIZE - 1);
i = (int)STRLEN(IObuff) + 2;
if (i + (arg - startarg) < IOSIZE)
{
// append the argument with the error
STRCAT(IObuff, ": ");
mch_memmove(IObuff + i, startarg, (arg - startarg));
IObuff[i + (arg - startarg)] = NUL;
}
// make sure all characters are printable
trans_characters(IObuff, IOSIZE);
++no_wait_return; // wait_return() done later
emsg((char *)IObuff); // show error highlighted
--no_wait_return;
return FAIL;
}
}
arg = skipwhite(arg);
}
theend:
if (silent_mode && did_show)
{
// After displaying option values in silent mode.
silent_mode = FALSE;
info_message = TRUE; // use mch_msg(), not mch_errmsg()
msg_putchar('\n');
cursor_on(); // msg_start() switches it off
out_flush();
silent_mode = TRUE;
info_message = FALSE; // use mch_msg(), not mch_errmsg()
}
return OK;
}
/*
* Call this when an option has been given a new value through a user command.
* Sets the P_WAS_SET flag and takes care of the P_INSECURE flag.
*/
void
did_set_option(
int opt_idx,
int opt_flags, // possibly with OPT_MODELINE
int new_value, // value was replaced completely
int value_checked) // value was checked to be safe, no need to set the
// P_INSECURE flag.
{
long_u *p;
options[opt_idx].flags |= P_WAS_SET;
// When an option is set in the sandbox, from a modeline or in secure mode
// set the P_INSECURE flag. Otherwise, if a new value is stored reset the
// flag.
p = insecure_flag(opt_idx, opt_flags);
if (!value_checked && (secure
#ifdef HAVE_SANDBOX
|| sandbox != 0
#endif
|| (opt_flags & OPT_MODELINE)))
*p = *p | P_INSECURE;
else if (new_value)
*p = *p & ~P_INSECURE;
}
/*
* Convert a key name or string into a key value.
* Used for 'wildchar' and 'cedit' options.
* When "multi_byte" is TRUE allow for multi-byte characters.
*/
int
string_to_key(char_u *arg, int multi_byte)
{
if (*arg == '<')
return find_key_option(arg + 1, TRUE);
if (*arg == '^')
return Ctrl_chr(arg[1]);
if (multi_byte)
return PTR2CHAR(arg);
return *arg;
}
/*
* When changing 'title', 'titlestring', 'icon' or 'iconstring', call
* maketitle() to create and display it.
* When switching the title or icon off, call mch_restore_title() to get
* the old value back.
*/
void
did_set_title(void)
{
if (starting != NO_SCREEN
#ifdef FEAT_GUI
&& !gui.starting
#endif
)
maketitle();
}
/*
* set_options_bin - called when 'bin' changes value.
*/
void
set_options_bin(
int oldval,
int newval,
int opt_flags) // OPT_LOCAL and/or OPT_GLOBAL
{
// The option values that are changed when 'bin' changes are
// copied when 'bin is set and restored when 'bin' is reset.
if (newval)
{
if (!oldval) // switched on
{
if (!(opt_flags & OPT_GLOBAL))
{
curbuf->b_p_tw_nobin = curbuf->b_p_tw;
curbuf->b_p_wm_nobin = curbuf->b_p_wm;
curbuf->b_p_ml_nobin = curbuf->b_p_ml;
curbuf->b_p_et_nobin = curbuf->b_p_et;
}
if (!(opt_flags & OPT_LOCAL))
{
p_tw_nobin = p_tw;
p_wm_nobin = p_wm;
p_ml_nobin = p_ml;
p_et_nobin = p_et;
}
}
if (!(opt_flags & OPT_GLOBAL))
{
curbuf->b_p_tw = 0; // no automatic line wrap
curbuf->b_p_wm = 0; // no automatic line wrap
curbuf->b_p_ml = 0; // no modelines
curbuf->b_p_et = 0; // no expandtab
}
if (!(opt_flags & OPT_LOCAL))
{
p_tw = 0;
p_wm = 0;
p_ml = FALSE;
p_et = FALSE;
p_bin = TRUE; // needed when called for the "-b" argument
}
}
else if (oldval) // switched off
{
if (!(opt_flags & OPT_GLOBAL))
{
curbuf->b_p_tw = curbuf->b_p_tw_nobin;
curbuf->b_p_wm = curbuf->b_p_wm_nobin;
curbuf->b_p_ml = curbuf->b_p_ml_nobin;
curbuf->b_p_et = curbuf->b_p_et_nobin;
}
if (!(opt_flags & OPT_LOCAL))
{
p_tw = p_tw_nobin;
p_wm = p_wm_nobin;
p_ml = p_ml_nobin;
p_et = p_et_nobin;
}
}
#if defined(FEAT_EVAL) || defined(PROTO)
// Remember where the dependent option were reset
didset_options_sctx(opt_flags, p_bin_dep_opts);
#endif
}
/*
* Expand environment variables for some string options.
* These string options cannot be indirect!
* If "val" is NULL expand the current value of the option.
* Return pointer to NameBuff, or NULL when not expanded.
*/
static char_u *
option_expand(int opt_idx, char_u *val)
{
// if option doesn't need expansion nothing to do
if (!(options[opt_idx].flags & P_EXPAND) || options[opt_idx].var == NULL)
return NULL;
// If val is longer than MAXPATHL no meaningful expansion can be done,
// expand_env() would truncate the string.
if (val != NULL && STRLEN(val) > MAXPATHL)
return NULL;
if (val == NULL)
val = *(char_u **)options[opt_idx].var;
/*
* Expanding this with NameBuff, expand_env() must not be passed IObuff.
* Escape spaces when expanding 'tags', they are used to separate file
* names.
* For 'spellsuggest' expand after "file:".
*/
expand_env_esc(val, NameBuff, MAXPATHL,
(char_u **)options[opt_idx].var == &p_tags, FALSE,
#ifdef FEAT_SPELL
(char_u **)options[opt_idx].var == &p_sps ? (char_u *)"file:" :
#endif
NULL);
if (STRCMP(NameBuff, val) == 0) // they are the same
return NULL;
return NameBuff;
}
/*
* After setting various option values: recompute variables that depend on
* option values.
*/
static void
didset_options(void)
{
// initialize the table for 'iskeyword' et.al.
(void)init_chartab();
didset_string_options();
#ifdef FEAT_SPELL
(void)spell_check_msm();
(void)spell_check_sps();
(void)compile_cap_prog(curwin->w_s);
(void)did_set_spell_option(TRUE);
#endif
// set cedit_key
(void)did_set_cedit(NULL);
#ifdef FEAT_LINEBREAK
// initialize the table for 'breakat'.
did_set_breakat(NULL);
#endif
after_copy_winopt(curwin);
}
/*
* More side effects of setting options.
*/
static void
didset_options2(void)
{
// Initialize the highlight_attr[] table.
(void)highlight_changed();
// Parse default for 'wildmode'
check_opt_wim();
// Parse default for 'listchars'.
(void)set_listchars_option(curwin, curwin->w_p_lcs, TRUE, NULL, 0);
// Parse default for 'fillchars'.
(void)set_fillchars_option(curwin, curwin->w_p_fcs, TRUE, NULL, 0);
#ifdef FEAT_CLIPBOARD
// Parse default for 'clipboard'
(void)did_set_clipboard(NULL);
#endif
#ifdef FEAT_VARTABS
vim_free(curbuf->b_p_vsts_array);
(void)tabstop_set(curbuf->b_p_vsts, &curbuf->b_p_vsts_array);
vim_free(curbuf->b_p_vts_array);
(void)tabstop_set(curbuf->b_p_vts, &curbuf->b_p_vts_array);
#endif
}
/*
* Check for string options that are NULL (normally only termcap options).
*/
void
check_options(void)
{
int opt_idx;
for (opt_idx = 0; options[opt_idx].fullname != NULL; opt_idx++)
if ((options[opt_idx].flags & P_STRING) && options[opt_idx].var != NULL)
check_string_option((char_u **)get_varp(&(options[opt_idx])));
}
/*
* Return the option index found by a pointer into term_strings[].
* Return -1 if not found.
*/
int
get_term_opt_idx(char_u **p)
{
int opt_idx;
for (opt_idx = 1; options[opt_idx].fullname != NULL; opt_idx++)
if (options[opt_idx].var == (char_u *)p)
return opt_idx;
return -1; // cannot happen: didn't find it!
}
/*
* Mark a terminal option as allocated, found by a pointer into term_strings[].
* Return the option index or -1 if not found.
*/
int
set_term_option_alloced(char_u **p)
{
int opt_idx = get_term_opt_idx(p);
if (opt_idx >= 0)
options[opt_idx].flags |= P_ALLOCED;
return opt_idx;
}
#if defined(FEAT_EVAL) || defined(PROTO)
/*
* Return TRUE when option "opt" was set from a modeline or in secure mode.
* Return FALSE when it wasn't.
* Return -1 for an unknown option.
*/
int
was_set_insecurely(char_u *opt, int opt_flags)
{
int idx = findoption(opt);
long_u *flagp;
if (idx >= 0)
{
flagp = insecure_flag(idx, opt_flags);
return (*flagp & P_INSECURE) != 0;
}
internal_error("was_set_insecurely()");
return -1;
}
/*
* Get a pointer to the flags used for the P_INSECURE flag of option
* "opt_idx". For some local options a local flags field is used.
* NOTE: Caller must make sure that "curwin" is set to the window from which
* the option is used.
*/
static long_u *
insecure_flag(int opt_idx, int opt_flags)
{
if (opt_flags & OPT_LOCAL)
switch ((int)options[opt_idx].indir)
{
#ifdef FEAT_STL_OPT
case PV_STL: return &curwin->w_p_stl_flags;
#endif
#ifdef FEAT_EVAL
# ifdef FEAT_FOLDING
case PV_FDE: return &curwin->w_p_fde_flags;
case PV_FDT: return &curwin->w_p_fdt_flags;
# endif
# ifdef FEAT_BEVAL
case PV_BEXPR: return &curbuf->b_p_bexpr_flags;
# endif
case PV_INDE: return &curbuf->b_p_inde_flags;
case PV_FEX: return &curbuf->b_p_fex_flags;
# ifdef FEAT_FIND_ID
case PV_INEX: return &curbuf->b_p_inex_flags;
# endif
#endif
}
// Nothing special, return global flags field.
return &options[opt_idx].flags;
}
#endif
/*
* Redraw the window title and/or tab page text later.
*/
void
redraw_titles(void)
{
need_maketitle = TRUE;
redraw_tabline = TRUE;
}
/*
* Return TRUE if "val" is a valid name: only consists of alphanumeric ASCII
* characters or characters in "allowed".
*/
int
valid_name(char_u *val, char *allowed)
{
char_u *s;
for (s = val; *s != NUL; ++s)
if (!ASCII_ISALNUM(*s) && vim_strchr((char_u *)allowed, *s) == NULL)
return FALSE;
return TRUE;
}
#if defined(FEAT_EVAL) || defined(PROTO)
/*
* Set the script_ctx for an option, taking care of setting the buffer- or
* window-local value.
*/
void
set_option_sctx_idx(int opt_idx, int opt_flags, sctx_T script_ctx)
{
int both = (opt_flags & (OPT_LOCAL | OPT_GLOBAL)) == 0;
int indir = (int)options[opt_idx].indir;
sctx_T new_script_ctx = script_ctx;
// Modeline already has the line number set.
if (!(opt_flags & OPT_MODELINE))
new_script_ctx.sc_lnum += SOURCING_LNUM;
// Remember where the option was set. For local options need to do that
// in the buffer or window structure.
if (both || (opt_flags & OPT_GLOBAL) || (indir & (PV_BUF|PV_WIN)) == 0)
options[opt_idx].script_ctx = new_script_ctx;
if (both || (opt_flags & OPT_LOCAL))
{
if (indir & PV_BUF)
curbuf->b_p_script_ctx[indir & PV_MASK] = new_script_ctx;
else if (indir & PV_WIN)
{
curwin->w_p_script_ctx[indir & PV_MASK] = new_script_ctx;
if (both)
// also setting the "all buffers" value
curwin->w_allbuf_opt.wo_script_ctx[indir & PV_MASK] =
new_script_ctx;
}
}
}
/*
* Get the script context of global option "name".
*
*/
sctx_T *
get_option_sctx(char *name)
{
int idx = findoption((char_u *)name);
if (idx >= 0)
return &options[idx].script_ctx;
siemsg("no such option: %s", name);
return NULL;
}
/*
* Set the script_ctx for a termcap option.
* "name" must be the two character code, e.g. "RV".
* When "name" is NULL use "opt_idx".
*/
void
set_term_option_sctx_idx(char *name, int opt_idx)
{
char_u buf[5];
int idx;
if (name == NULL)
idx = opt_idx;
else
{
buf[0] = 't';
buf[1] = '_';
buf[2] = name[0];
buf[3] = name[1];
buf[4] = 0;
idx = findoption(buf);
}
if (idx >= 0)
set_option_sctx_idx(idx, OPT_GLOBAL, current_sctx);
}
#endif
#if defined(FEAT_EVAL)
/*
* Apply the OptionSet autocommand.
*/
static void
apply_optionset_autocmd(
int opt_idx,
long opt_flags,
long oldval,
long oldval_g,
long newval,
char *errmsg)
{
char_u buf_old[12], buf_old_global[12], buf_new[12], buf_type[12];
// Don't do this while starting up, failure or recursively.
if (starting || errmsg != NULL || *get_vim_var_str(VV_OPTION_TYPE) != NUL)
return;
vim_snprintf((char *)buf_old, sizeof(buf_old), "%ld", oldval);
vim_snprintf((char *)buf_old_global, sizeof(buf_old_global), "%ld",
oldval_g);
vim_snprintf((char *)buf_new, sizeof(buf_new), "%ld", newval);
vim_snprintf((char *)buf_type, sizeof(buf_type), "%s",
(opt_flags & OPT_LOCAL) ? "local" : "global");
set_vim_var_string(VV_OPTION_NEW, buf_new, -1);
set_vim_var_string(VV_OPTION_OLD, buf_old, -1);
set_vim_var_string(VV_OPTION_TYPE, buf_type, -1);
if (opt_flags & OPT_LOCAL)
{
set_vim_var_string(VV_OPTION_COMMAND, (char_u *)"setlocal", -1);
set_vim_var_string(VV_OPTION_OLDLOCAL, buf_old, -1);
}
if (opt_flags & OPT_GLOBAL)
{
set_vim_var_string(VV_OPTION_COMMAND, (char_u *)"setglobal", -1);
set_vim_var_string(VV_OPTION_OLDGLOBAL, buf_old, -1);
}
if ((opt_flags & (OPT_LOCAL | OPT_GLOBAL)) == 0)
{
set_vim_var_string(VV_OPTION_COMMAND, (char_u *)"set", -1);
set_vim_var_string(VV_OPTION_OLDLOCAL, buf_old, -1);
set_vim_var_string(VV_OPTION_OLDGLOBAL, buf_old_global, -1);
}
if (opt_flags & OPT_MODELINE)
{
set_vim_var_string(VV_OPTION_COMMAND, (char_u *)"modeline", -1);
set_vim_var_string(VV_OPTION_OLDLOCAL, buf_old, -1);
}
apply_autocmds(EVENT_OPTIONSET, (char_u *)options[opt_idx].fullname,
NULL, FALSE, NULL);
reset_v_option_vars();
}
#endif
#if defined(FEAT_ARABIC) || defined(PROTO)
/*
* Process the updated 'arabic' option value.
*/
char *
did_set_arabic(optset_T *args UNUSED)
{
char *errmsg = NULL;
if (curwin->w_p_arab)
{
// 'arabic' is set, handle various sub-settings.
if (!p_tbidi)
{
// set rightleft mode
if (!curwin->w_p_rl)
{
curwin->w_p_rl = TRUE;
changed_window_setting();
}
// Enable Arabic shaping (major part of what Arabic requires)
if (!p_arshape)
{
p_arshape = TRUE;
redraw_later_clear();
}
}
// Arabic requires a utf-8 encoding, inform the user if it's not
// set.
if (STRCMP(p_enc, "utf-8") != 0)
{
static char *w_arabic = N_("W17: Arabic requires UTF-8, do ':set encoding=utf-8'");
msg_source(HL_ATTR(HLF_W));
msg_attr(_(w_arabic), HL_ATTR(HLF_W));
#ifdef FEAT_EVAL
set_vim_var_string(VV_WARNINGMSG, (char_u *)_(w_arabic), -1);
#endif
}
// set 'delcombine'
p_deco = TRUE;
# ifdef FEAT_KEYMAP
// Force-set the necessary keymap for arabic
errmsg = set_option_value((char_u *)"keymap", 0L, (char_u *)"arabic",
OPT_LOCAL);
# endif
}
else
{
// 'arabic' is reset, handle various sub-settings.
if (!p_tbidi)
{
// reset rightleft mode
if (curwin->w_p_rl)
{
curwin->w_p_rl = FALSE;
changed_window_setting();
}
// 'arabicshape' isn't reset, it is a global option and
// another window may still need it "on".
}
// 'delcombine' isn't reset, it is a global option and another
// window may still want it "on".
# ifdef FEAT_KEYMAP
// Revert to the default keymap
curbuf->b_p_iminsert = B_IMODE_NONE;
curbuf->b_p_imsearch = B_IMODE_USE_INSERT;
# endif
}
return errmsg;
}
#endif
#if defined(FEAT_AUTOCHDIR) || defined(PROTO)
/*
* Process the updated 'autochdir' option value.
*/
char *
did_set_autochdir(optset_T *args UNUSED)
{
// Change directories when the 'acd' option is set now.
DO_AUTOCHDIR;
return NULL;
}
#endif
#if defined(FEAT_BEVAL_GUI) || defined(PROTO)
/*
* Process the updated 'ballooneval' option value.
*/
char *
did_set_ballooneval(optset_T *args)
{
if (balloonEvalForTerm)
return NULL;
if (p_beval && !args->os_oldval.boolean)
gui_mch_enable_beval_area(balloonEval);
else if (!p_beval && args->os_oldval.boolean)
gui_mch_disable_beval_area(balloonEval);
return NULL;
}
#endif
#if defined(FEAT_BEVAL_TERM) || defined(PROTO)
/*
* Process the updated 'balloonevalterm' option value.
*/
char *
did_set_balloonevalterm(optset_T *args UNUSED)
{
mch_bevalterm_changed();
return NULL;
}
#endif
/*
* Process the updated 'binary' option value.
*/
char *
did_set_binary(optset_T *args)
{
// when 'bin' is set also set some other options
set_options_bin(args->os_oldval.boolean, curbuf->b_p_bin, args->os_flags);
redraw_titles();
return NULL;
}
/*
* Process the updated 'buflisted' option value.
*/
char *
did_set_buflisted(optset_T *args)
{
// when 'buflisted' changes, trigger autocommands
if (args->os_oldval.boolean != curbuf->b_p_bl)
apply_autocmds(curbuf->b_p_bl ? EVENT_BUFADD : EVENT_BUFDELETE,
NULL, NULL, TRUE, curbuf);
return NULL;
}
/*
* Process the new 'cmdheight' option value.
*/
char *
did_set_cmdheight(optset_T *args)
{
long old_value = args->os_oldval.number;
char *errmsg = NULL;
// if p_ch changed value, change the command line height
if (p_ch < 1)
{
errmsg = e_argument_must_be_positive;
p_ch = 1;
}
if (p_ch > Rows - min_rows() + 1)
p_ch = Rows - min_rows() + 1;
// Only compute the new window layout when startup has been
// completed. Otherwise the frame sizes may be wrong.
if ((p_ch != old_value
|| tabline_height() + topframe->fr_height != Rows - p_ch)
&& full_screen
#ifdef FEAT_GUI
&& !gui.starting
#endif
)
command_height();
return errmsg;
}
/*
* Process the updated 'compatible' option value.
*/
char *
did_set_compatible(optset_T *args UNUSED)
{
compatible_set();
return NULL;
}
#if defined(FEAT_CONCEAL) || defined(PROTO)
/*
* Process the new 'conceallevel' option value.
*/
char *
did_set_conceallevel(optset_T *args UNUSED)
{
char *errmsg = NULL;
if (curwin->w_p_cole < 0)
{
errmsg = e_argument_must_be_positive;
curwin->w_p_cole = 0;
}
else if (curwin->w_p_cole > 3)
{
errmsg = e_invalid_argument;
curwin->w_p_cole = 3;
}
return errmsg;
}
#endif
#if defined(FEAT_DIFF) || defined(PROTO)
/*
* Process the updated 'diff' option value.
*/
char *
did_set_diff(optset_T *args UNUSED)
{
// May add or remove the buffer from the list of diff buffers.
diff_buf_adjust(curwin);
# ifdef FEAT_FOLDING
if (foldmethodIsDiff(curwin))
foldUpdateAll(curwin);
# endif
return NULL;
}
#endif
/*
* Process the updated 'endoffile' or 'endofline' or 'fixendofline' or 'bomb'
* option value.
*/
char *
did_set_eof_eol_fixeol_bomb(optset_T *args UNUSED)
{
// redraw the window title and tab page text
redraw_titles();
return NULL;
}
/*
* Process the updated 'equalalways' option value.
*/
char *
did_set_equalalways(optset_T *args)
{
if (p_ea && !args->os_oldval.boolean)
win_equal(curwin, FALSE, 0);
return NULL;
}
#if defined(FEAT_FOLDING) || defined(PROTO)
/*
* Process the new 'foldcolumn' option value.
*/
char *
did_set_foldcolumn(optset_T *args UNUSED)
{
char *errmsg = NULL;
if (curwin->w_p_fdc < 0)
{
errmsg = e_argument_must_be_positive;
curwin->w_p_fdc = 0;
}
else if (curwin->w_p_fdc > 12)
{
errmsg = e_invalid_argument;
curwin->w_p_fdc = 12;
}
return errmsg;
}
/*
* Process the new 'foldlevel' option value.
*/
char *
did_set_foldlevel(optset_T *args UNUSED)
{
if (curwin->w_p_fdl < 0)
curwin->w_p_fdl = 0;
newFoldLevel();
return NULL;
}
/*
* Process the new 'foldminlines' option value.
*/
char *
did_set_foldminlines(optset_T *args UNUSED)
{
foldUpdateAll(curwin);
return NULL;
}
/*
* Process the new 'foldnestmax' option value.
*/
char *
did_set_foldnestmax(optset_T *args UNUSED)
{
if (foldmethodIsSyntax(curwin) || foldmethodIsIndent(curwin))
foldUpdateAll(curwin);
return NULL;
}
#endif
#if defined(FEAT_SEARCH_EXTRA) || defined(PROTO)
/*
* Process the updated 'hlsearch' option value.
*/
char *
did_set_hlsearch(optset_T *args UNUSED)
{
// when 'hlsearch' is set or reset: reset no_hlsearch
set_no_hlsearch(FALSE);
return NULL;
}
#endif
/*
* Process the updated 'ignorecase' option value.
*/
char *
did_set_ignorecase(optset_T *args UNUSED)
{
// when 'ignorecase' is set or reset and 'hlsearch' is set, redraw
if (p_hls)
redraw_all_later(UPD_SOME_VALID);
return NULL;
}
#if defined(HAVE_INPUT_METHOD) || defined(PROTO)
/*
* Process the updated 'imdisable' option value.
*/
char *
did_set_imdisable(optset_T *args UNUSED)
{
// Only de-activate it here, it will be enabled when changing mode.
if (p_imdisable)
im_set_active(FALSE);
else if (State & MODE_INSERT)
// When the option is set from an autocommand, it may need to take
// effect right away.
im_set_active(curbuf->b_p_iminsert == B_IMODE_IM);
return NULL;
}
#endif
/*
* Process the new 'iminsert' option value.
*/
char *
did_set_iminsert(optset_T *args UNUSED)
{
char *errmsg = NULL;
if (curbuf->b_p_iminsert < 0 || curbuf->b_p_iminsert > B_IMODE_LAST)
{
errmsg = e_invalid_argument;
curbuf->b_p_iminsert = B_IMODE_NONE;
}
p_iminsert = curbuf->b_p_iminsert;
if (termcap_active) // don't do this in the alternate screen
showmode();
#if defined(FEAT_KEYMAP)
// Show/unshow value of 'keymap' in status lines.
status_redraw_curbuf();
#endif
return errmsg;
}
/*
* Process the new 'imsearch' option value.
*/
char *
did_set_imsearch(optset_T *args UNUSED)
{
char *errmsg = NULL;
if (curbuf->b_p_imsearch < -1 || curbuf->b_p_imsearch > B_IMODE_LAST)
{
errmsg = e_invalid_argument;
curbuf->b_p_imsearch = B_IMODE_NONE;
}
p_imsearch = curbuf->b_p_imsearch;
return errmsg;
}
#if (defined(FEAT_XIM) && defined(FEAT_GUI_GTK)) || defined(PROTO)
/*
* Process the new 'imstyle' option value.
*/
char *
did_set_imstyle(optset_T *args UNUSED)
{
char *errmsg = NULL;
if (p_imst != IM_ON_THE_SPOT && p_imst != IM_OVER_THE_SPOT)
errmsg = e_invalid_argument;
return errmsg;
}
#endif
/*
* Process the updated 'insertmode' option value.
*/
char *
did_set_insertmode(optset_T *args)
{
// when 'insertmode' is set from an autocommand need to do work here
if (p_im)
{
if ((State & MODE_INSERT) == 0)
need_start_insertmode = TRUE;
stop_insert_mode = FALSE;
}
// only reset if it was set previously
else if (args->os_oldval.boolean)
{
need_start_insertmode = FALSE;
stop_insert_mode = TRUE;
if (restart_edit != 0 && mode_displayed)
clear_cmdline = TRUE; // remove "(insert)"
restart_edit = 0;
}
return NULL;
}
#if defined(FEAT_LANGMAP) || defined(PROTO)
/*
* Process the updated 'langnoremap' option value.
*/
char *
did_set_langnoremap(optset_T *args UNUSED)
{
// 'langnoremap' -> !'langremap'
p_lrm = !p_lnr;
return NULL;
}
/*
* Process the updated 'langremap' option value.
*/
char *
did_set_langremap(optset_T *args UNUSED)
{
// 'langremap' -> !'langnoremap'
p_lnr = !p_lrm;
return NULL;
}
#endif
/*
* Process the new 'laststatus' option value.
*/
char *
did_set_laststatus(optset_T *args UNUSED)
{
last_status(FALSE); // (re)set last window status line
return NULL;
}
#if defined(FEAT_GUI) || defined(PROTO)
/*
* Process the new 'linespace' option value.
*/
char *
did_set_linespace(optset_T *args UNUSED)
{
// Recompute gui.char_height and resize the Vim window to keep the
// same number of lines.
if (gui.in_use && gui_mch_adjust_charheight() == OK)
gui_set_shellsize(FALSE, FALSE, RESIZE_VERT);
return NULL;
}
#endif
/*
* Process the updated 'lisp' option value.
*/
char *
did_set_lisp(optset_T *args UNUSED)
{
// When 'lisp' option changes include/exclude '-' in keyword characters.
(void)buf_init_chartab(curbuf, FALSE); // ignore errors
return NULL;
}
/*
* Process the new 'maxcombine' option value.
*/
char *
did_set_maxcombine(optset_T *args UNUSED)
{
if (p_mco > MAX_MCO)
p_mco = MAX_MCO;
else if (p_mco < 0)
p_mco = 0;
screenclear(); // will re-allocate the screen
return NULL;
}
/*
* Process the updated 'modifiable' option value.
*/
char *
did_set_modifiable(optset_T *args UNUSED)
{
// when 'modifiable' is changed, redraw the window title
# ifdef FEAT_TERMINAL
// Cannot set 'modifiable' when in Terminal mode.
if (curbuf->b_p_ma && (term_in_normal_mode() || (bt_terminal(curbuf)
&& curbuf->b_term != NULL && !term_is_finished(curbuf))))
{
curbuf->b_p_ma = FALSE;
return e_cannot_make_terminal_with_running_job_modifiable;
}
# endif
redraw_titles();
return NULL;
}
/*
* Process the updated 'modified' option value.
*/
char *
did_set_modified(optset_T *args)
{
if (!args->os_newval.boolean)
save_file_ff(curbuf); // Buffer is unchanged
redraw_titles();
curbuf->b_modified_was_set = args->os_newval.boolean;
return NULL;
}
#if defined(FEAT_GUI) || defined(PROTO)
/*
* Process the updated 'mousehide' option value.
*/
char *
did_set_mousehide(optset_T *args UNUSED)
{
if (!p_mh)
gui_mch_mousehide(FALSE);
return NULL;
}
#endif
/*
* Process the updated 'number' or 'relativenumber' option value.
*/
char *
did_set_number_relativenumber(optset_T *args UNUSED)
{
#if (defined(FEAT_SIGNS) && defined(FEAT_GUI)) || defined(PROTO)
if (gui.in_use
&& (*curwin->w_p_scl == 'n' && *(curwin->w_p_scl + 1) == 'u')
&& curbuf->b_signlist != NULL)
{
// If the 'number' or 'relativenumber' options are modified and
// 'signcolumn' is set to 'number', then clear the screen for a full
// refresh. Otherwise the sign icons are not displayed properly in the
// number column. If the 'number' option is set and only the
// 'relativenumber' option is toggled, then don't refresh the screen
// (optimization).
if (!(curwin->w_p_nu && ((int *)args->os_varp == &curwin->w_p_rnu)))
redraw_all_later(UPD_CLEAR);
}
#endif
return NULL;
}
#if defined(FEAT_LINEBREAK) || defined(PROTO)
/*
* Process the new 'numberwidth' option value.
*/
char *
did_set_numberwidth(optset_T *args UNUSED)
{
char *errmsg = NULL;
// 'numberwidth' must be positive
if (curwin->w_p_nuw < 1)
{
errmsg = e_argument_must_be_positive;
curwin->w_p_nuw = 1;
}
if (curwin->w_p_nuw > 20)
{
errmsg = e_invalid_argument;
curwin->w_p_nuw = 20;
}
curwin->w_nrwidth_line_count = 0; // trigger a redraw
return errmsg;
}
#endif
/*
* Process the updated 'paste' option value. Called after p_paste was set or
* reset. When 'paste' is set or reset also change other options.
*/
char *
did_set_paste(optset_T *args UNUSED)
{
static int old_p_paste = FALSE;
static int save_sm = 0;
static int save_sta = 0;
static int save_ru = 0;
#ifdef FEAT_RIGHTLEFT
static int save_ri = 0;
static int save_hkmap = 0;
#endif
buf_T *buf;
if (p_paste)
{
// Paste switched from off to on.
// Save the current values, so they can be restored later.
if (!old_p_paste)
{
// save options for each buffer
FOR_ALL_BUFFERS(buf)
{
buf->b_p_tw_nopaste = buf->b_p_tw;
buf->b_p_wm_nopaste = buf->b_p_wm;
buf->b_p_sts_nopaste = buf->b_p_sts;
buf->b_p_ai_nopaste = buf->b_p_ai;
buf->b_p_et_nopaste = buf->b_p_et;
#ifdef FEAT_VARTABS
if (buf->b_p_vsts_nopaste)
vim_free(buf->b_p_vsts_nopaste);
buf->b_p_vsts_nopaste =
buf->b_p_vsts && buf->b_p_vsts != empty_option
? vim_strsave(buf->b_p_vsts) : NULL;
#endif
}
// save global options
save_sm = p_sm;
save_sta = p_sta;
save_ru = p_ru;
#ifdef FEAT_RIGHTLEFT
save_ri = p_ri;
save_hkmap = p_hkmap;
#endif
// save global values for local buffer options
p_ai_nopaste = p_ai;
p_et_nopaste = p_et;
p_sts_nopaste = p_sts;
p_tw_nopaste = p_tw;
p_wm_nopaste = p_wm;
#ifdef FEAT_VARTABS
if (p_vsts_nopaste)
vim_free(p_vsts_nopaste);
p_vsts_nopaste = p_vsts && p_vsts != empty_option
? vim_strsave(p_vsts) : NULL;
#endif
}
// Always set the option values, also when 'paste' is set when it is
// already on. Set options for each buffer.
FOR_ALL_BUFFERS(buf)
{
buf->b_p_tw = 0; // textwidth is 0
buf->b_p_wm = 0; // wrapmargin is 0
buf->b_p_sts = 0; // softtabstop is 0
buf->b_p_ai = 0; // no auto-indent
buf->b_p_et = 0; // no expandtab
#ifdef FEAT_VARTABS
if (buf->b_p_vsts)
free_string_option(buf->b_p_vsts);
buf->b_p_vsts = empty_option;
VIM_CLEAR(buf->b_p_vsts_array);
#endif
}
// set global options
p_sm = 0; // no showmatch
p_sta = 0; // no smarttab
if (p_ru)
status_redraw_all(); // redraw to remove the ruler
p_ru = 0; // no ruler
#ifdef FEAT_RIGHTLEFT
p_ri = 0; // no reverse insert
p_hkmap = 0; // no Hebrew keyboard
#endif
// set global values for local buffer options
p_tw = 0;
p_wm = 0;
p_sts = 0;
p_ai = 0;
p_et = 0;
#ifdef FEAT_VARTABS
if (p_vsts)
free_string_option(p_vsts);
p_vsts = empty_option;
#endif
}
// Paste switched from on to off: Restore saved values.
else if (old_p_paste)
{
// restore options for each buffer
FOR_ALL_BUFFERS(buf)
{
buf->b_p_tw = buf->b_p_tw_nopaste;
buf->b_p_wm = buf->b_p_wm_nopaste;
buf->b_p_sts = buf->b_p_sts_nopaste;
buf->b_p_ai = buf->b_p_ai_nopaste;
buf->b_p_et = buf->b_p_et_nopaste;
#ifdef FEAT_VARTABS
if (buf->b_p_vsts)
free_string_option(buf->b_p_vsts);
buf->b_p_vsts = buf->b_p_vsts_nopaste
? vim_strsave(buf->b_p_vsts_nopaste) : empty_option;
vim_free(buf->b_p_vsts_array);
if (buf->b_p_vsts && buf->b_p_vsts != empty_option)
(void)tabstop_set(buf->b_p_vsts, &buf->b_p_vsts_array);
else
buf->b_p_vsts_array = NULL;
#endif
}
// restore global options
p_sm = save_sm;
p_sta = save_sta;
if (p_ru != save_ru)
status_redraw_all(); // redraw to draw the ruler
p_ru = save_ru;
#ifdef FEAT_RIGHTLEFT
p_ri = save_ri;
p_hkmap = save_hkmap;
#endif
// set global values for local buffer options
p_ai = p_ai_nopaste;
p_et = p_et_nopaste;
p_sts = p_sts_nopaste;
p_tw = p_tw_nopaste;
p_wm = p_wm_nopaste;
#ifdef FEAT_VARTABS
if (p_vsts)
free_string_option(p_vsts);
p_vsts = p_vsts_nopaste ? vim_strsave(p_vsts_nopaste) : empty_option;
#endif
}
old_p_paste = p_paste;
#if defined(FEAT_EVAL) || defined(PROTO)
// Remember where the dependent options were reset
didset_options_sctx((OPT_LOCAL | OPT_GLOBAL), p_paste_dep_opts);
#endif
return NULL;
}
#ifdef FEAT_QUICKFIX
/*
* Process the updated 'previewwindow' option value.
*/
char *
did_set_previewwindow(optset_T *args UNUSED)
{
if (!curwin->w_p_pvw)
return NULL;
// There can be only one window with 'previewwindow' set.
win_T *win;
FOR_ALL_WINDOWS(win)
if (win->w_p_pvw && win != curwin)
{
curwin->w_p_pvw = FALSE;
return e_preview_window_already_exists;
}
return NULL;
}
#endif
#if defined(FEAT_PYTHON) || defined(FEAT_PYTHON3) || defined(PROTO)
/*
* Process the new 'pyxversion' option value.
*/
char *
did_set_pyxversion(optset_T *args UNUSED)
{
char *errmsg = NULL;
if (p_pyx != 0 && p_pyx != 2 && p_pyx != 3)
errmsg = e_invalid_argument;
return errmsg;
}
#endif
/*
* Process the updated 'readonly' option value.
*/
char *
did_set_readonly(optset_T *args)
{
// when 'readonly' is reset globally, also reset readonlymode
if (!curbuf->b_p_ro && (args->os_flags & OPT_LOCAL) == 0)
readonlymode = FALSE;
// when 'readonly' is set may give W10 again
if (curbuf->b_p_ro)
curbuf->b_did_warn = FALSE;
redraw_titles();
return NULL;
}
/*
* Process the updated 'scrollbind' option value.
*/
char *
did_set_scrollbind(optset_T *args UNUSED)
{
// when 'scrollbind' is set: snapshot the current position to avoid a jump
// at the end of normal_cmd()
if (!curwin->w_p_scb)
return NULL;
do_check_scrollbind(FALSE);
curwin->w_scbind_pos = curwin->w_topline;
return NULL;
}
#if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
/*
* Process the updated 'shellslash' option value.
*/
char *
did_set_shellslash(optset_T *args UNUSED)
{
if (p_ssl)
{
psepc = '/';
psepcN = '\\';
pseps[0] = '/';
}
else
{
psepc = '\\';
psepcN = '/';
pseps[0] = '\\';
}
// need to adjust the file name arguments and buffer names.
buflist_slash_adjust();
alist_slash_adjust();
# ifdef FEAT_EVAL
scriptnames_slash_adjust();
# endif
return NULL;
}
#endif
/*
* Process the new 'shiftwidth' or the 'tabstop' option value.
*/
char *
did_set_shiftwidth_tabstop(optset_T *args)
{
long *pp = (long *)args->os_varp;
char *errmsg = NULL;
if (curbuf->b_p_sw < 0)
{
errmsg = e_argument_must_be_positive;
#ifdef FEAT_VARTABS
// Use the first 'vartabstop' value, or 'tabstop' if vts isn't in use.
curbuf->b_p_sw = tabstop_count(curbuf->b_p_vts_array) > 0
? tabstop_first(curbuf->b_p_vts_array)
: curbuf->b_p_ts;
#else
curbuf->b_p_sw = curbuf->b_p_ts;
#endif
}
#ifdef FEAT_FOLDING
if (foldmethodIsIndent(curwin))
foldUpdateAll(curwin);
#endif
// When 'shiftwidth' changes, or it's zero and 'tabstop' changes:
// parse 'cinoptions'.
if (pp == &curbuf->b_p_sw || curbuf->b_p_sw == 0)
parse_cino(curbuf);
return errmsg;
}
/*
* Process the new 'showtabline' option value.
*/
char *
did_set_showtabline(optset_T *args UNUSED)
{
shell_new_rows(); // recompute window positions and heights
return NULL;
}
/*
* Process the updated 'smoothscroll' option value.
*/
char *
did_set_smoothscroll(optset_T *args UNUSED)
{
if (!curwin->w_p_sms)
curwin->w_skipcol = 0;
return NULL;
}
#if defined(FEAT_SPELL) || defined(PROTO)
/*
* Process the updated 'spell' option value.
*/
char *
did_set_spell(optset_T *args UNUSED)
{
if (curwin->w_p_spell)
return parse_spelllang(curwin);
return NULL;
}
#endif
/*
* Process the updated 'swapfile' option value.
*/
char *
did_set_swapfile(optset_T *args UNUSED)
{
// when 'swf' is set, create swapfile, when reset remove swapfile
if (curbuf->b_p_swf && p_uc)
ml_open_file(curbuf); // create the swap file
else
// no need to reset curbuf->b_may_swap, ml_open_file() will check
// buf->b_p_swf
mf_close_file(curbuf, TRUE); // remove the swap file
return NULL;
}
#if defined(FEAT_TERMGUICOLORS) || defined(PROTO)
char *
did_set_termguicolors(optset_T *args UNUSED)
{
# ifdef FEAT_VTP
// Do not turn on 'tgc' when 24-bit colors are not supported.
if (
# ifdef VIMDLL
!gui.in_use && !gui.starting &&
# endif
!has_vtp_working())
{
p_tgc = 0;
return e_24_bit_colors_are_not_supported_on_this_environment;
}
if (is_term_win32())
swap_tcap();
# endif
# ifdef FEAT_GUI
if (!gui.in_use && !gui.starting)
# endif
highlight_gui_started();
# ifdef FEAT_VTP
// reset t_Co
if (is_term_win32())
{
control_console_color_rgb();
set_termname(T_NAME);
init_highlight(TRUE, FALSE);
}
# endif
# ifdef FEAT_TERMINAL
term_update_colors_all();
term_update_palette_all();
term_update_wincolor_all();
# endif
return NULL;
}
#endif
/*
* Process the updated 'terse' option value.
*/
char *
did_set_terse(optset_T *args UNUSED)
{
char_u *p;
// when 'terse' is set change 'shortmess'
p = vim_strchr(p_shm, SHM_SEARCH);
// insert 's' in p_shm
if (p_terse && p == NULL)
{
STRCPY(IObuff, p_shm);
STRCAT(IObuff, "s");
set_string_option_direct((char_u *)"shm", -1, IObuff, OPT_FREE, 0);
}
// remove 's' from p_shm
else if (!p_terse && p != NULL)
STRMOVE(p, p + 1);
return NULL;
}
/*
* Process the updated 'textauto' option value.
*/
char *
did_set_textauto(optset_T *args)
{
// when 'textauto' is set or reset also change 'fileformats'
set_string_option_direct((char_u *)"ffs", -1,
p_ta ? (char_u *)DFLT_FFS_VIM : (char_u *)"",
OPT_FREE | args->os_flags, 0);
return NULL;
}
/*
* Process the updated 'textmode' option value.
*/
char *
did_set_textmode(optset_T *args)
{
// when 'textmode' is set or reset also change 'fileformat'
set_fileformat(curbuf->b_p_tx ? EOL_DOS : EOL_UNIX, args->os_flags);
return NULL;
}
/*
* Process the new 'textwidth' option value.
*/
char *
did_set_textwidth(optset_T *args UNUSED)
{
char *errmsg = NULL;
if (curbuf->b_p_tw < 0)
{
errmsg = e_argument_must_be_positive;
curbuf->b_p_tw = 0;
}
#ifdef FEAT_SYN_HL
{
win_T *wp;
tabpage_T *tp;
FOR_ALL_TAB_WINDOWS(tp, wp)
check_colorcolumn(wp);
}
#endif
return errmsg;
}
/*
* Process the updated 'title' or the 'icon' option value.
*/
char *
did_set_title_icon(optset_T *args UNUSED)
{
// when 'title' changed, may need to change the title; same for 'icon'
did_set_title();
return NULL;
}
/*
* Process the new 'titlelen' option value.
*/
char *
did_set_titlelen(optset_T *args)
{
long old_value = args->os_oldval.number;
char *errmsg = NULL;
// if 'titlelen' has changed, redraw the title
if (p_titlelen < 0)
{
errmsg = e_argument_must_be_positive;
p_titlelen = 85;
}
if (starting != NO_SCREEN && old_value != p_titlelen)
need_maketitle = TRUE;
return errmsg;
}
#if defined(FEAT_PERSISTENT_UNDO) || defined(PROTO)
/*
* Process the updated 'undofile' option value.
*/
char *
did_set_undofile(optset_T *args)
{
// Only take action when the option was set.
if (!curbuf->b_p_udf && !p_udf)
return NULL;
// When reset we do not delete the undo file, the option may be set again
// without making any changes in between.
char_u hash[UNDO_HASH_SIZE];
buf_T *save_curbuf = curbuf;
FOR_ALL_BUFFERS(curbuf)
{
// When 'undofile' is set globally: for every buffer, otherwise
// only for the current buffer: Try to read in the undofile,
// if one exists, the buffer wasn't changed and the buffer was
// loaded
if ((curbuf == save_curbuf
|| (args->os_flags & OPT_GLOBAL)
|| args->os_flags == 0)
&& !curbufIsChanged() && curbuf->b_ml.ml_mfp != NULL)
{
#ifdef FEAT_CRYPT
if (crypt_method_is_sodium(crypt_get_method_nr(curbuf)))
continue;
#endif
u_compute_hash(hash);
u_read_undo(NULL, hash, curbuf->b_fname);
}
}
curbuf = save_curbuf;
return NULL;
}
#endif
/*
* Process the new global 'undolevels' option value.
*/
static void
update_global_undolevels(long value, long old_value)
{
// sync undo before 'undolevels' changes
// use the old value, otherwise u_sync() may not work properly
p_ul = old_value;
u_sync(TRUE);
p_ul = value;
}
/*
* Process the new buffer local 'undolevels' option value.
*/
static void
update_buflocal_undolevels(long value, long old_value)
{
// use the old value, otherwise u_sync() may not work properly
curbuf->b_p_ul = old_value;
u_sync(TRUE);
curbuf->b_p_ul = value;
}
/*
* Process the new 'undolevels' option value.
*/
char *
did_set_undolevels(optset_T *args)
{
long *pp = (long *)args->os_varp;
if (pp == &p_ul) // global 'undolevels'
update_global_undolevels(args->os_newval.number,
args->os_oldval.number);
else if (pp == &curbuf->b_p_ul) // buffer local 'undolevels'
update_buflocal_undolevels(args->os_newval.number,
args->os_oldval.number);
return NULL;
}
/*
* Process the new 'updatecount' option value.
*/
char *
did_set_updatecount(optset_T *args)
{
long old_value = args->os_oldval.number;
char *errmsg = NULL;
// when 'updatecount' changes from zero to non-zero, open swap files
if (p_uc < 0)
{
errmsg = e_argument_must_be_positive;
p_uc = 100;
}
if (p_uc && !old_value)
ml_open_files();
return errmsg;
}
/*
* Process the updated 'weirdinvert' option value.
*/
char *
did_set_weirdinvert(optset_T *args)
{
// When 'weirdinvert' changed, set/reset 't_xs'.
// Then set 'weirdinvert' according to value of 't_xs'.
if (p_wiv && !args->os_oldval.boolean)
T_XS = (char_u *)"y";
else if (!p_wiv && args->os_oldval.boolean)
T_XS = empty_option;
p_wiv = (*T_XS != NUL);
return NULL;
}
/*
* Process the new 'wildchar' / 'wildcharm' option value.
*/
char *
did_set_wildchar(optset_T *args)
{
long c = *(long *)args->os_varp;
// Don't allow key values that wouldn't work as wildchar.
if (c == Ctrl_C || c == '\n' || c == '\r' || c == K_KENTER)
return e_invalid_argument;
return NULL;
}
/*
* Process the new 'window' option value.
*/
char *
did_set_window(optset_T *args UNUSED)
{
if (p_window < 1)
p_window = 1;
else if (p_window >= Rows)
p_window = Rows - 1;
return NULL;
}
/*
* Process the new 'winheight' or the 'helpheight' option value.
*/
char *
did_set_winheight_helpheight(optset_T *args)
{
long *pp = (long *)args->os_varp;
char *errmsg = NULL;
if (p_wh < 1)
{
errmsg = e_argument_must_be_positive;
p_wh = 1;
}
if (p_wmh > p_wh)
{
errmsg = e_winheight_cannot_be_smaller_than_winminheight;
p_wh = p_wmh;
}
if (p_hh < 0)
{
errmsg = e_argument_must_be_positive;
p_hh = 0;
}
// Change window height NOW
if (!ONE_WINDOW)
{
if (pp == &p_wh && curwin->w_height < p_wh)
win_setheight((int)p_wh);
if (pp == &p_hh && curbuf->b_help && curwin->w_height < p_hh)
win_setheight((int)p_hh);
}
return errmsg;
}
/*
* Process the new 'winminheight' option value.
*/
char *
did_set_winminheight(optset_T *args UNUSED)
{
char *errmsg = NULL;
if (p_wmh < 0)
{
errmsg = e_argument_must_be_positive;
p_wmh = 0;
}
if (p_wmh > p_wh)
{
errmsg = e_winheight_cannot_be_smaller_than_winminheight;
p_wmh = p_wh;
}
win_setminheight();
return errmsg;
}
/*
* Process the new 'winminwidth' option value.
*/
char *
did_set_winminwidth(optset_T *args UNUSED)
{
char *errmsg = NULL;
if (p_wmw < 0)
{
errmsg = e_argument_must_be_positive;
p_wmw = 0;
}
if (p_wmw > p_wiw)
{
errmsg = e_winwidth_cannot_be_smaller_than_winminwidth;
p_wmw = p_wiw;
}
win_setminwidth();
return errmsg;
}
/*
* Process the new 'winwidth' option value.
*/
char *
did_set_winwidth(optset_T *args UNUSED)
{
char *errmsg = NULL;
if (p_wiw < 1)
{
errmsg = e_argument_must_be_positive;
p_wiw = 1;
}
if (p_wmw > p_wiw)
{
errmsg = e_winwidth_cannot_be_smaller_than_winminwidth;
p_wiw = p_wmw;
}
// Change window width NOW
if (!ONE_WINDOW && curwin->w_width < p_wiw)
win_setwidth((int)p_wiw);
return errmsg;
}
/*
* Process the updated 'wrap' option value.
*/
char *
did_set_wrap(optset_T *args UNUSED)
{
// Set w_leftcol or w_skipcol to zero.
if (curwin->w_p_wrap)
curwin->w_leftcol = 0;
else
curwin->w_skipcol = 0;
return NULL;
}
/*
* Set the value of a boolean option, and take care of side effects.
* Returns NULL for success, or an error message for an error.
*/
static char *
set_bool_option(
int opt_idx, // index in options[] table
char_u *varp, // pointer to the option variable
int value, // new value
int opt_flags) // OPT_LOCAL and/or OPT_GLOBAL
{
int old_value = *(int *)varp;
#if defined(FEAT_EVAL)
int old_global_value = 0;
#endif
char *errmsg = NULL;
// Disallow changing some options from secure mode
if ((secure
#ifdef HAVE_SANDBOX
|| sandbox != 0
#endif
) && (options[opt_idx].flags & P_SECURE))
return e_not_allowed_here;
#if defined(FEAT_EVAL)
// Save the global value before changing anything. This is needed as for
// a global-only option setting the "local value" in fact sets the global
// value (since there is only one value).
if ((opt_flags & (OPT_LOCAL | OPT_GLOBAL)) == 0)
old_global_value = *(int *)get_varp_scope(&(options[opt_idx]),
OPT_GLOBAL);
#endif
*(int *)varp = value; // set the new value
#ifdef FEAT_EVAL
// Remember where the option was set.
set_option_sctx_idx(opt_idx, opt_flags, current_sctx);
#endif
#ifdef FEAT_GUI
need_mouse_correct = TRUE;
#endif
// May set global value for local option.
if ((opt_flags & (OPT_LOCAL | OPT_GLOBAL)) == 0)
*(int *)get_varp_scope(&(options[opt_idx]), OPT_GLOBAL) = value;
// Handle side effects of changing a bool option.
if (options[opt_idx].opt_did_set_cb != NULL)
{
optset_T args;
CLEAR_FIELD(args);
args.os_varp = varp;
args.os_flags = opt_flags;
args.os_oldval.boolean = old_value;
args.os_newval.boolean = value;
args.os_errbuf = NULL;
errmsg = options[opt_idx].opt_did_set_cb(&args);
if (errmsg != NULL)
return errmsg;
}
// after handling side effects, call autocommand
options[opt_idx].flags |= P_WAS_SET;
#if defined(FEAT_EVAL)
apply_optionset_autocmd(opt_idx, opt_flags,
(long)(old_value ? TRUE : FALSE),
(long)(old_global_value ? TRUE : FALSE),
(long)(value ? TRUE : FALSE), NULL);
#endif
comp_col(); // in case 'ruler' or 'showcmd' changed
if (curwin->w_curswant != MAXCOL
&& (options[opt_idx].flags & (P_CURSWANT | P_RALL)) != 0
&& (options[opt_idx].flags & P_HLONLY) == 0)
curwin->w_set_curswant = TRUE;
if ((opt_flags & OPT_NO_REDRAW) == 0)
check_redraw(options[opt_idx].flags);
return errmsg;
}
/*
* Check the bounds of numeric options.
*/
static char *
check_num_option_bounds(
long *pp,
long old_value,
long old_Rows,
long old_Columns,
char *errbuf,
size_t errbuflen,
char *errmsg)
{
if (Rows < min_rows() && full_screen)
{
if (errbuf != NULL)
{
vim_snprintf(errbuf, errbuflen,
_(e_need_at_least_nr_lines), min_rows());
errmsg = errbuf;
}
Rows = min_rows();
}
if (Columns < MIN_COLUMNS && full_screen)
{
if (errbuf != NULL)
{
vim_snprintf(errbuf, errbuflen,
_(e_need_at_least_nr_columns), MIN_COLUMNS);
errmsg = errbuf;
}
Columns = MIN_COLUMNS;
}
limit_screen_size();
// If the screen (shell) height has been changed, assume it is the
// physical screenheight.
if (old_Rows != Rows || old_Columns != Columns)
{
// Changing the screen size is not allowed while updating the screen.
if (updating_screen)
*pp = old_value;
else if (full_screen
#ifdef FEAT_GUI
&& !gui.starting
#endif
)
set_shellsize((int)Columns, (int)Rows, TRUE);
else
{
// Postpone the resizing; check the size and cmdline position for
// messages.
check_shellsize();
if (cmdline_row > Rows - p_ch && Rows > p_ch)
cmdline_row = Rows - p_ch;
}
if (p_window >= Rows || !option_was_set((char_u *)"window"))
p_window = Rows - 1;
}
if (curbuf->b_p_ts <= 0)
{
errmsg = e_argument_must_be_positive;
curbuf->b_p_ts = 8;
}
else if (curbuf->b_p_ts > TABSTOP_MAX)
{
errmsg = e_invalid_argument;
curbuf->b_p_ts = 8;
}
if (p_tm < 0)
{
errmsg = e_argument_must_be_positive;
p_tm = 0;
}
if ((curwin->w_p_scr <= 0
|| (curwin->w_p_scr > curwin->w_height
&& curwin->w_height > 0))
&& full_screen)
{
if (pp == &(curwin->w_p_scr))
{
if (curwin->w_p_scr != 0)
errmsg = e_invalid_scroll_size;
win_comp_scroll(curwin);
}
// If 'scroll' became invalid because of a side effect silently adjust
// it.
else if (curwin->w_p_scr <= 0)
curwin->w_p_scr = 1;
else // curwin->w_p_scr > curwin->w_height
curwin->w_p_scr = curwin->w_height;
}
if (p_hi < 0)
{
errmsg = e_argument_must_be_positive;
p_hi = 0;
}
else if (p_hi > 10000)
{
errmsg = e_invalid_argument;
p_hi = 10000;
}
if (p_re < 0 || p_re > 2)
{
errmsg = e_invalid_argument;
p_re = 0;
}
if (p_report < 0)
{
errmsg = e_argument_must_be_positive;
p_report = 1;
}
if ((p_sj < -100 || p_sj >= Rows) && full_screen)
{
if (Rows != old_Rows) // Rows changed, just adjust p_sj
p_sj = Rows / 2;
else
{
errmsg = e_invalid_scroll_size;
p_sj = 1;
}
}
if (p_so < 0 && full_screen)
{
errmsg = e_argument_must_be_positive;
p_so = 0;
}
if (p_siso < 0 && full_screen)
{
errmsg = e_argument_must_be_positive;
p_siso = 0;
}
if (p_cwh < 1)
{
errmsg = e_argument_must_be_positive;
p_cwh = 1;
}
if (p_ut < 0)
{
errmsg = e_argument_must_be_positive;
p_ut = 2000;
}
if (p_ss < 0)
{
errmsg = e_argument_must_be_positive;
p_ss = 0;
}
return errmsg;
}
/*
* Set the value of a number option, and take care of side effects.
* Returns NULL for success, or an error message for an error.
*/
static char *
set_num_option(
int opt_idx, // index in options[] table
char_u *varp, // pointer to the option variable
long value, // new value
char *errbuf, // buffer for error messages
size_t errbuflen, // length of "errbuf"
int opt_flags) // OPT_LOCAL, OPT_GLOBAL,
// OPT_MODELINE, etc.
{
char *errmsg = NULL;
long old_value = *(long *)varp;
#if defined(FEAT_EVAL)
long old_global_value = 0; // only used when setting a local and
// global option
#endif
long old_Rows = Rows; // remember old Rows
long old_Columns = Columns; // remember old Columns
long *pp = (long *)varp;
// Disallow changing some options from secure mode.
if ((secure
#ifdef HAVE_SANDBOX
|| sandbox != 0
#endif
) && (options[opt_idx].flags & P_SECURE))
return e_not_allowed_here;
#if defined(FEAT_EVAL)
// Save the global value before changing anything. This is needed as for
// a global-only option setting the "local value" in fact sets the global
// value (since there is only one value).
if ((opt_flags & (OPT_LOCAL | OPT_GLOBAL)) == 0)
old_global_value = *(long *)get_varp_scope(&(options[opt_idx]),
OPT_GLOBAL);
#endif
*pp = value;
#ifdef FEAT_EVAL
// Remember where the option was set.
set_option_sctx_idx(opt_idx, opt_flags, current_sctx);
#endif
#ifdef FEAT_GUI
need_mouse_correct = TRUE;
#endif
// Invoke the option specific callback function to validate and apply the
// new value.
if (options[opt_idx].opt_did_set_cb != NULL)
{
optset_T args;
CLEAR_FIELD(args);
args.os_varp = varp;
args.os_flags = opt_flags;
args.os_oldval.number = old_value;
args.os_newval.number = value;
args.os_errbuf = NULL;
errmsg = options[opt_idx].opt_did_set_cb(&args);
}
// Check the bounds for numeric options here
errmsg = check_num_option_bounds(pp, old_value, old_Rows, old_Columns,
errbuf, errbuflen, errmsg);
// May set global value for local option.
if ((opt_flags & (OPT_LOCAL | OPT_GLOBAL)) == 0)
*(long *)get_varp_scope(&(options[opt_idx]), OPT_GLOBAL) = *pp;
options[opt_idx].flags |= P_WAS_SET;
#if defined(FEAT_EVAL)
apply_optionset_autocmd(opt_idx, opt_flags, old_value, old_global_value,
value, errmsg);
#endif
comp_col(); // in case 'columns' or 'ls' changed
if (curwin->w_curswant != MAXCOL
&& (options[opt_idx].flags & (P_CURSWANT | P_RALL)) != 0
&& (options[opt_idx].flags & P_HLONLY) == 0)
curwin->w_set_curswant = TRUE;
if ((opt_flags & OPT_NO_REDRAW) == 0)
check_redraw(options[opt_idx].flags);
return errmsg;
}
/*
* Called after an option changed: check if something needs to be redrawn.
*/
void
check_redraw(long_u flags)
{
// Careful: P_RCLR and P_RALL are a combination of other P_ flags
int doclear = (flags & P_RCLR) == P_RCLR;
int all = ((flags & P_RALL) == P_RALL || doclear);
if ((flags & P_RSTAT) || all) // mark all status lines dirty
status_redraw_all();
if ((flags & P_RBUF) || (flags & P_RWIN) || all)
{
if (flags & P_HLONLY)
redraw_later(UPD_NOT_VALID);
else
changed_window_setting();
}
if (flags & P_RBUF)
redraw_curbuf_later(UPD_NOT_VALID);
if (doclear)
redraw_all_later(UPD_CLEAR);
else if (all)
redraw_all_later(UPD_NOT_VALID);
}
/*
* Find index for option 'arg'.
* Return -1 if not found.
*/
int
findoption(char_u *arg)
{
int opt_idx;
char *s, *p;
static short quick_tab[27] = {0, 0}; // quick access table
int is_term_opt;
// For first call: Initialize the quick-access table.
// It contains the index for the first option that starts with a certain
// letter. There are 26 letters, plus the first "t_" option.
if (quick_tab[1] == 0)
{
p = options[0].fullname;
for (opt_idx = 1; (s = options[opt_idx].fullname) != NULL; opt_idx++)
{
if (s[0] != p[0])
{
if (s[0] == 't' && s[1] == '_')
quick_tab[26] = opt_idx;
else
quick_tab[CharOrdLow(s[0])] = opt_idx;
}
p = s;
}
}
// Check for name starting with an illegal character.
if (arg[0] < 'a' || arg[0] > 'z')
return -1;
is_term_opt = (arg[0] == 't' && arg[1] == '_');
if (is_term_opt)
opt_idx = quick_tab[26];
else
opt_idx = quick_tab[CharOrdLow(arg[0])];
for (; (s = options[opt_idx].fullname) != NULL && s[0] == arg[0]; opt_idx++)
{
if (STRCMP(arg, s) == 0) // match full name
break;
}
if (s != NULL && s[0] != arg[0])
s = NULL;
if (s == NULL && !is_term_opt)
{
opt_idx = quick_tab[CharOrdLow(arg[0])];
for ( ; options[opt_idx].fullname != NULL; opt_idx++)
{
s = options[opt_idx].shortname;
if (s != NULL && STRCMP(arg, s) == 0) // match short name
break;
s = NULL;
}
}
if (s == NULL)
opt_idx = -1;
return opt_idx;
}
#if defined(FEAT_EVAL) || defined(FEAT_TCL) || defined(FEAT_MZSCHEME) \
|| defined(FEAT_SPELL) || defined(PROTO)
/*
* Get the value for an option.
*
* Returns:
* Number option: gov_number, *numval gets value.
* Toggle option: gov_bool, *numval gets value.
* String option: gov_string, *stringval gets allocated string.
* Hidden Number option: gov_hidden_number.
* Hidden Toggle option: gov_hidden_bool.
* Hidden String option: gov_hidden_string.
* Unknown option: gov_unknown.
*
* "flagsp" (if not NULL) is set to the option flags (P_xxxx).
*/
getoption_T
get_option_value(
char_u *name,
long *numval,
char_u **stringval, // NULL when only checking existence
int *flagsp,
int scope)
{
int opt_idx;
char_u *varp;
opt_idx = findoption(name);
if (opt_idx < 0) // option not in the table
{
int key;
if (STRLEN(name) == 4 && name[0] == 't' && name[1] == '_'
&& (key = find_key_option(name, FALSE)) != 0)
{
char_u key_name[2];
char_u *p;
if (flagsp != NULL)
*flagsp = 0; // terminal option has no flags
// check for a terminal option
if (key < 0)
{
key_name[0] = KEY2TERMCAP0(key);
key_name[1] = KEY2TERMCAP1(key);
}
else
{
key_name[0] = KS_KEY;
key_name[1] = (key & 0xff);
}
p = find_termcode(key_name);
if (p != NULL)
{
if (stringval != NULL)
*stringval = vim_strsave(p);
return gov_string;
}
}
return gov_unknown;
}
varp = get_varp_scope(&(options[opt_idx]), scope);
if (flagsp != NULL)
// Return the P_xxxx option flags.
*flagsp = options[opt_idx].flags;
if (options[opt_idx].flags & P_STRING)
{
if (varp == NULL) // hidden option
return gov_hidden_string;
if (stringval != NULL)
{
if ((char_u **)varp == &p_pt) // 'pastetoggle'
*stringval = str2special_save(*(char_u **)(varp), FALSE,
FALSE);
#ifdef FEAT_CRYPT
// never return the value of the crypt key
else if ((char_u **)varp == &curbuf->b_p_key
&& **(char_u **)(varp) != NUL)
*stringval = vim_strsave((char_u *)"*****");
#endif
else
*stringval = vim_strsave(*(char_u **)(varp));
}
return gov_string;
}
if (varp == NULL) // hidden option
return (options[opt_idx].flags & P_NUM)
? gov_hidden_number : gov_hidden_bool;
if (options[opt_idx].flags & P_NUM)
*numval = *(long *)varp;
else
{
// Special case: 'modified' is b_changed, but we also want to consider
// it set when 'ff' or 'fenc' changed.
if ((int *)varp == &curbuf->b_changed)
*numval = curbufIsChanged();
else
*numval = (long) *(int *)varp;
}
return (options[opt_idx].flags & P_NUM) ? gov_number : gov_bool;
}
#endif
#if defined(FEAT_PYTHON) || defined(FEAT_PYTHON3) || defined(PROTO)
/*
* Returns the option attributes and its value. Unlike the above function it
* will return either global value or local value of the option depending on
* what was requested, but it will never return global value if it was
* requested to return local one and vice versa. Neither it will return
* buffer-local value if it was requested to return window-local one.
*
* Pretends that option is absent if it is not present in the requested scope
* (i.e. has no global, window-local or buffer-local value depending on
* opt_type). Uses
*
* Returned flags:
* 0 hidden or unknown option, also option that does not have requested
* type (see SREQ_* in vim.h)
* see SOPT_* in vim.h for other flags
*
* Possible opt_type values: see SREQ_* in vim.h
*/
int
get_option_value_strict(
char_u *name,
long *numval,
char_u **stringval, // NULL when only obtaining attributes
int opt_type,
void *from)
{
int opt_idx;
char_u *varp = NULL;
struct vimoption *p;
int r = 0;
opt_idx = findoption(name);
if (opt_idx < 0)
return 0;
p = &(options[opt_idx]);
// Hidden option
if (p->var == NULL)
return 0;
if (p->flags & P_BOOL)
r |= SOPT_BOOL;
else if (p->flags & P_NUM)
r |= SOPT_NUM;
else if (p->flags & P_STRING)
r |= SOPT_STRING;
if (p->indir == PV_NONE)
{
if (opt_type == SREQ_GLOBAL)
r |= SOPT_GLOBAL;
else
return 0; // Did not request global-only option
}
else
{
if (p->indir & PV_BOTH)
r |= SOPT_GLOBAL;
else if (opt_type == SREQ_GLOBAL)
return 0; // Requested global option
if (p->indir & PV_WIN)
{
if (opt_type == SREQ_BUF)
return 0; // Did not request window-local option
else
r |= SOPT_WIN;
}
else if (p->indir & PV_BUF)
{
if (opt_type == SREQ_WIN)
return 0; // Did not request buffer-local option
else
r |= SOPT_BUF;
}
}
if (stringval == NULL)
return r;
if (opt_type == SREQ_GLOBAL)
varp = p->var;
else
{
if (opt_type == SREQ_BUF)
{
// Special case: 'modified' is b_changed, but we also want to
// consider it set when 'ff' or 'fenc' changed.
if (p->indir == PV_MOD)
{
*numval = bufIsChanged((buf_T *)from);
varp = NULL;
}
# ifdef FEAT_CRYPT
else if (p->indir == PV_KEY)
{
// never return the value of the crypt key
*stringval = NULL;
varp = NULL;
}
# endif
else
{
buf_T *save_curbuf = curbuf;
// only getting a pointer, no need to use aucmd_prepbuf()
curbuf = (buf_T *)from;
curwin->w_buffer = curbuf;
varp = get_varp(p);
curbuf = save_curbuf;
curwin->w_buffer = curbuf;
}
}
else if (opt_type == SREQ_WIN)
{
win_T *save_curwin = curwin;
curwin = (win_T *)from;
curbuf = curwin->w_buffer;
varp = get_varp(p);
curwin = save_curwin;
curbuf = curwin->w_buffer;
}
if (varp == p->var)
return (r | SOPT_UNSET);
}
if (varp != NULL)
{
if (p->flags & P_STRING)
*stringval = vim_strsave(*(char_u **)(varp));
else if (p->flags & P_NUM)
*numval = *(long *) varp;
else
*numval = *(int *)varp;
}
return r;
}
/*
* Iterate over options. First argument is a pointer to a pointer to a
* structure inside options[] array, second is option type like in the above
* function.
*
* If first argument points to NULL it is assumed that iteration just started
* and caller needs the very first value.
* If first argument points to the end marker function returns NULL and sets
* first argument to NULL.
*
* Returns full option name for current option on each call.
*/
char_u *
option_iter_next(void **option, int opt_type)
{
struct vimoption *ret = NULL;
do
{
if (*option == NULL)
*option = (void *) options;
else if (((struct vimoption *) (*option))->fullname == NULL)
{
*option = NULL;
return NULL;
}
else
*option = (void *) (((struct vimoption *) (*option)) + 1);
ret = ((struct vimoption *) (*option));
// Hidden option
if (ret->var == NULL)
{
ret = NULL;
continue;
}
switch (opt_type)
{
case SREQ_GLOBAL:
if (!(ret->indir == PV_NONE || ret->indir & PV_BOTH))
ret = NULL;
break;
case SREQ_BUF:
if (!(ret->indir & PV_BUF))
ret = NULL;
break;
case SREQ_WIN:
if (!(ret->indir & PV_WIN))
ret = NULL;
break;
default:
internal_error("option_iter_next()");
return NULL;
}
}
while (ret == NULL);
return (char_u *)ret->fullname;
}
#endif
/*
* Return the flags for the option at 'opt_idx'.
*/
long_u
get_option_flags(int opt_idx)
{
return options[opt_idx].flags;
}
/*
* Set a flag for the option at 'opt_idx'.
*/
void
set_option_flag(int opt_idx, long_u flag)
{
options[opt_idx].flags |= flag;
}
/*
* Returns TRUE if the option at 'opt_idx' is a global option
*/
int
is_global_option(int opt_idx)
{
return options[opt_idx].indir == PV_NONE;
}
/*
* Returns TRUE if the option at 'opt_idx' is a global option which also has a
* local value.
*/
int
is_global_local_option(int opt_idx)
{
return options[opt_idx].indir & PV_BOTH;
}
/*
* Returns TRUE if the option at 'opt_idx' is a window-local option
*/
int
is_window_local_option(int opt_idx)
{
return options[opt_idx].var == VAR_WIN;
}
/*
* Returns TRUE if the option at 'opt_idx' is a hidden option
*/
int
is_hidden_option(int opt_idx)
{
return options[opt_idx].var == NULL;
}
#if defined(FEAT_CRYPT) || defined(PROTO)
/*
* Returns TRUE if the option at 'opt_idx' is a crypt key option
*/
int
is_crypt_key_option(int opt_idx)
{
return options[opt_idx].indir == PV_KEY;
}
#endif
/*
* Set the value of option "name".
* Use "string" for string options, use "number" for other options.
*
* Returns NULL on success or an untranslated error message on error.
*/
char *
set_option_value(
char_u *name,
long number,
char_u *string,
int opt_flags) // OPT_LOCAL or 0 (both)
{
int opt_idx;
char_u *varp;
long_u flags;
static char errbuf[ERR_BUFLEN];
int errbuflen = ERR_BUFLEN;
opt_idx = findoption(name);
if (opt_idx < 0)
{
int key;
if (STRLEN(name) == 4 && name[0] == 't' && name[1] == '_'
&& (key = find_key_option(name, FALSE)) != 0)
{
char_u key_name[2];
if (key < 0)
{
key_name[0] = KEY2TERMCAP0(key);
key_name[1] = KEY2TERMCAP1(key);
}
else
{
key_name[0] = KS_KEY;
key_name[1] = (key & 0xff);
}
add_termcode(key_name, string, FALSE);
if (full_screen)
ttest(FALSE);
redraw_all_later(UPD_CLEAR);
return NULL;
}
semsg(_(e_unknown_option_str_2), name);
}
else
{
flags = options[opt_idx].flags;
#ifdef HAVE_SANDBOX
// Disallow changing some options in the sandbox
if (sandbox > 0 && (flags & P_SECURE))
{
emsg(_(e_not_allowed_in_sandbox));
return NULL;
}
#endif
if (flags & P_STRING)
return set_string_option(opt_idx, string, opt_flags, errbuf, errbuflen);
varp = get_varp_scope(&(options[opt_idx]), opt_flags);
if (varp != NULL) // hidden option is not changed
{
if (number == 0 && string != NULL)
{
int idx;
// Either we are given a string or we are setting option
// to zero.
for (idx = 0; string[idx] == '0'; ++idx)
;
if (string[idx] != NUL || idx == 0)
{
// There's another character after zeros or the string
// is empty. In both cases, we are trying to set a
// num option using a string.
semsg(_(e_number_required_after_str_equal_str),
name, string);
return NULL; // do nothing as we hit an error
}
}
if (flags & P_NUM)
{
return set_num_option(opt_idx, varp, number,
errbuf, sizeof(errbuf), opt_flags);
}
else
return set_bool_option(opt_idx, varp, (int)number, opt_flags);
}
}
return NULL;
}
/*
* Call set_option_value() and when an error is returned report it.
*/
void
set_option_value_give_err(
char_u *name,
long number,
char_u *string,
int opt_flags) // OPT_LOCAL or 0 (both)
{
char *errmsg = set_option_value(name, number, string, opt_flags);
if (errmsg != NULL)
emsg(_(errmsg));
}
/*
* Get the terminal code for a terminal option.
* Returns NULL when not found.
*/
char_u *
get_term_code(char_u *tname)
{
int opt_idx;
char_u *varp;
if (tname[0] != 't' || tname[1] != '_' ||
tname[2] == NUL || tname[3] == NUL)
return NULL;
if ((opt_idx = findoption(tname)) >= 0)
{
varp = get_varp(&(options[opt_idx]));
if (varp != NULL)
varp = *(char_u **)(varp);
return varp;
}
return find_termcode(tname + 2);
}
char_u *
get_highlight_default(void)
{
int i;
i = findoption((char_u *)"hl");
if (i >= 0)
return options[i].def_val[VI_DEFAULT];
return (char_u *)NULL;
}
char_u *
get_encoding_default(void)
{
int i;
i = findoption((char_u *)"enc");
if (i >= 0)
return options[i].def_val[VI_DEFAULT];
return (char_u *)NULL;
}
#if defined(FEAT_QUICKFIX) || defined(PROTO)
int
is_option_allocated(char *name)
{
int idx = findoption((char_u *)name);
return idx >= 0 && (options[idx].flags & P_ALLOCED);
}
#endif
/*
* Translate a string like "t_xx", "<t_xx>" or "<S-Tab>" to a key number.
* When "has_lt" is true there is a '<' before "*arg_arg".
* Returns 0 when the key is not recognized.
*/
static int
find_key_option(char_u *arg_arg, int has_lt)
{
int key = 0;
int modifiers;
char_u *arg = arg_arg;
// Don't use get_special_key_code() for t_xx, we don't want it to call
// add_termcap_entry().
if (arg[0] == 't' && arg[1] == '_' && arg[2] && arg[3])
key = TERMCAP2KEY(arg[2], arg[3]);
else if (has_lt)
{
--arg; // put arg at the '<'
modifiers = 0;
key = find_special_key(&arg, &modifiers,
FSK_KEYCODE | FSK_KEEP_X_KEY | FSK_SIMPLIFY, NULL);
if (modifiers) // can't handle modifiers here
key = 0;
}
return key;
}
/*
* if 'all' == 0: show changed options
* if 'all' == 1: show all normal options
* if 'all' == 2: show all terminal options
*/
static void
showoptions(
int all,
int opt_flags) // OPT_LOCAL and/or OPT_GLOBAL
{
struct vimoption *p;
int col;
int isterm;
char_u *varp;
struct vimoption **items;
int item_count;
int run;
int row, rows;
int cols;
int i;
int len;
#define INC 20
#define GAP 3
items = ALLOC_MULT(struct vimoption *, OPTION_COUNT);
if (items == NULL)
return;
// Highlight title
if (all == 2)
msg_puts_title(_("\n--- Terminal codes ---"));
else if (opt_flags & OPT_GLOBAL)
msg_puts_title(_("\n--- Global option values ---"));
else if (opt_flags & OPT_LOCAL)
msg_puts_title(_("\n--- Local option values ---"));
else
msg_puts_title(_("\n--- Options ---"));
// Do the loop two times:
// 1. display the short items
// 2. display the long items (only strings and numbers)
// When "opt_flags" has OPT_ONECOLUMN do everything in run 2.
for (run = 1; run <= 2 && !got_int; ++run)
{
// collect the items in items[]
item_count = 0;
for (p = &options[0]; p->fullname != NULL; p++)
{
// apply :filter /pat/
if (message_filtered((char_u *)p->fullname))
continue;
varp = NULL;
isterm = istermoption(p);
if ((opt_flags & (OPT_LOCAL | OPT_GLOBAL)) != 0)
{
if (p->indir != PV_NONE && !isterm)
varp = get_varp_scope(p, opt_flags);
}
else
varp = get_varp(p);
if (varp != NULL
&& ((all == 2 && isterm)
|| (all == 1 && !isterm)
|| (all == 0 && !optval_default(p, varp, p_cp))))
{
if (opt_flags & OPT_ONECOLUMN)
len = Columns;
else if (p->flags & P_BOOL)
len = 1; // a toggle option fits always
else
{
option_value2string(p, opt_flags);
len = (int)STRLEN(p->fullname) + vim_strsize(NameBuff) + 1;
}
if ((len <= INC - GAP && run == 1) ||
(len > INC - GAP && run == 2))
items[item_count++] = p;
}
}
// display the items
if (run == 1)
{
cols = (Columns + GAP - 3) / INC;
if (cols == 0)
cols = 1;
rows = (item_count + cols - 1) / cols;
}
else // run == 2
rows = item_count;
for (row = 0; row < rows && !got_int; ++row)
{
msg_putchar('\n'); // go to next line
if (got_int) // 'q' typed in more
break;
col = 0;
for (i = row; i < item_count; i += rows)
{
msg_col = col; // make columns
showoneopt(items[i], opt_flags);
col += INC;
}
out_flush();
ui_breakcheck();
}
}
vim_free(items);
}
/*
* Return TRUE if option "p" has its default value.
*/
static int
optval_default(struct vimoption *p, char_u *varp, int compatible)
{
int dvi;
if (varp == NULL)
return TRUE; // hidden option is always at default
dvi = ((p->flags & P_VI_DEF) || compatible) ? VI_DEFAULT : VIM_DEFAULT;
if (p->flags & P_NUM)
return (*(long *)varp == (long)(long_i)p->def_val[dvi]);
if (p->flags & P_BOOL)
// the cast to long is required for Manx C, long_i is
// needed for MSVC
return (*(int *)varp == (int)(long)(long_i)p->def_val[dvi]);
// P_STRING
return (STRCMP(*(char_u **)varp, p->def_val[dvi]) == 0);
}
/*
* showoneopt: show the value of one option
* must not be called with a hidden option!
*/
static void
showoneopt(
struct vimoption *p,
int opt_flags) // OPT_LOCAL or OPT_GLOBAL
{
char_u *varp;
int save_silent = silent_mode;
silent_mode = FALSE;
info_message = TRUE; // use mch_msg(), not mch_errmsg()
varp = get_varp_scope(p, opt_flags);
// for 'modified' we also need to check if 'ff' or 'fenc' changed.
if ((p->flags & P_BOOL) && ((int *)varp == &curbuf->b_changed
? !curbufIsChanged() : !*(int *)varp))
msg_puts("no");
else if ((p->flags & P_BOOL) && *(int *)varp < 0)
msg_puts("--");
else
msg_puts(" ");
msg_puts(p->fullname);
if (!(p->flags & P_BOOL))
{
msg_putchar('=');
// put value string in NameBuff
option_value2string(p, opt_flags);
msg_outtrans(NameBuff);
}
silent_mode = save_silent;
info_message = FALSE;
}
/*
* Write modified options as ":set" commands to a file.
*
* There are three values for "opt_flags":
* OPT_GLOBAL: Write global option values and fresh values of
* buffer-local options (used for start of a session
* file).
* OPT_GLOBAL + OPT_LOCAL: Idem, add fresh values of window-local options for
* curwin (used for a vimrc file).
* OPT_LOCAL: Write buffer-local option values for curbuf, fresh
* and local values for window-local options of
* curwin. Local values are also written when at the
* default value, because a modeline or autocommand
* may have set them when doing ":edit file" and the
* user has set them back at the default or fresh
* value.
* When "local_only" is TRUE, don't write fresh
* values, only local values (for ":mkview").
* (fresh value = value used for a new buffer or window for a local option).
*
* Return FAIL on error, OK otherwise.
*/
int
makeset(FILE *fd, int opt_flags, int local_only)
{
struct vimoption *p;
char_u *varp; // currently used value
char_u *varp_fresh; // local value
char_u *varp_local = NULL; // fresh value
char *cmd;
int round;
int pri;
/*
* The options that don't have a default (terminal name, columns, lines)
* are never written. Terminal options are also not written.
* Do the loop over "options[]" twice: once for options with the
* P_PRI_MKRC flag and once without.
*/
for (pri = 1; pri >= 0; --pri)
{
for (p = &options[0]; !istermoption(p); p++)
if (!(p->flags & P_NO_MKRC)
&& !istermoption(p)
&& ((pri == 1) == ((p->flags & P_PRI_MKRC) != 0)))
{
// skip global option when only doing locals
if (p->indir == PV_NONE && !(opt_flags & OPT_GLOBAL))
continue;
// Do not store options like 'bufhidden' and 'syntax' in a vimrc
// file, they are always buffer-specific.
if ((opt_flags & OPT_GLOBAL) && (p->flags & P_NOGLOB))
continue;
// Global values are only written when not at the default value.
varp = get_varp_scope(p, opt_flags);
if ((opt_flags & OPT_GLOBAL) && optval_default(p, varp, p_cp))
continue;
if ((opt_flags & OPT_SKIPRTP) && (p->var == (char_u *)&p_rtp
|| p->var == (char_u *)&p_pp))
continue;
round = 2;
if (p->indir != PV_NONE)
{
if (p->var == VAR_WIN)
{
// skip window-local option when only doing globals
if (!(opt_flags & OPT_LOCAL))
continue;
// When fresh value of window-local option is not at the
// default, need to write it too.
if (!(opt_flags & OPT_GLOBAL) && !local_only)
{
varp_fresh = get_varp_scope(p, OPT_GLOBAL);
if (!optval_default(p, varp_fresh, p_cp))
{
round = 1;
varp_local = varp;
varp = varp_fresh;
}
}
}
}
// Round 1: fresh value for window-local options.
// Round 2: other values
for ( ; round <= 2; varp = varp_local, ++round)
{
if (round == 1 || (opt_flags & OPT_GLOBAL))
cmd = "set";
else
cmd = "setlocal";
if (p->flags & P_BOOL)
{
if (put_setbool(fd, cmd, p->fullname, *(int *)varp) == FAIL)
return FAIL;
}
else if (p->flags & P_NUM)
{
if (put_setnum(fd, cmd, p->fullname, (long *)varp) == FAIL)
return FAIL;
}
else // P_STRING
{
int do_endif = FALSE;
// Don't set 'syntax' and 'filetype' again if the value is
// already right, avoids reloading the syntax file.
if (
#if defined(FEAT_SYN_HL)
p->indir == PV_SYN ||
#endif
p->indir == PV_FT)
{
if (fprintf(fd, "if &%s != '%s'", p->fullname,
*(char_u **)(varp)) < 0
|| put_eol(fd) < 0)
return FAIL;
do_endif = TRUE;
}
if (put_setstring(fd, cmd, p->fullname, (char_u **)varp,
p->flags) == FAIL)
return FAIL;
if (do_endif)
{
if (put_line(fd, "endif") == FAIL)
return FAIL;
}
}
}
}
}
return OK;
}
#if defined(FEAT_FOLDING) || defined(PROTO)
/*
* Generate set commands for the local fold options only. Used when
* 'sessionoptions' or 'viewoptions' contains "folds" but not "options".
*/
int
makefoldset(FILE *fd)
{
if (put_setstring(fd, "setlocal", "fdm", &curwin->w_p_fdm, 0) == FAIL
# ifdef FEAT_EVAL
|| put_setstring(fd, "setlocal", "fde", &curwin->w_p_fde, 0)
== FAIL
# endif
|| put_setstring(fd, "setlocal", "fmr", &curwin->w_p_fmr, 0)
== FAIL
|| put_setstring(fd, "setlocal", "fdi", &curwin->w_p_fdi, 0)
== FAIL
|| put_setnum(fd, "setlocal", "fdl", &curwin->w_p_fdl) == FAIL
|| put_setnum(fd, "setlocal", "fml", &curwin->w_p_fml) == FAIL
|| put_setnum(fd, "setlocal", "fdn", &curwin->w_p_fdn) == FAIL
|| put_setbool(fd, "setlocal", "fen", curwin->w_p_fen) == FAIL
)
return FAIL;
return OK;
}
#endif
static int
put_setstring(
FILE *fd,
char *cmd,
char *name,
char_u **valuep,
long_u flags)
{
char_u *s;
char_u *buf = NULL;
char_u *part = NULL;
char_u *p;
if (fprintf(fd, "%s %s=", cmd, name) < 0)
return FAIL;
if (*valuep != NULL)
{
// Output 'pastetoggle' as key names. For other
// options some characters have to be escaped with
// CTRL-V or backslash
if (valuep == &p_pt)
{
s = *valuep;
while (*s != NUL)
if (put_escstr(fd, str2special(&s, FALSE, FALSE), 2) == FAIL)
return FAIL;
}
// expand the option value, replace $HOME by ~
else if ((flags & P_EXPAND) != 0)
{
int size = (int)STRLEN(*valuep) + 1;
// replace home directory in the whole option value into "buf"
buf = alloc(size);
if (buf == NULL)
goto fail;
home_replace(NULL, *valuep, buf, size, FALSE);
// If the option value is longer than MAXPATHL, we need to append
// each comma separated part of the option separately, so that it
// can be expanded when read back.
if (size >= MAXPATHL && (flags & P_COMMA) != 0
&& vim_strchr(*valuep, ',') != NULL)
{
part = alloc(size);
if (part == NULL)
goto fail;
// write line break to clear the option, e.g. ':set rtp='
if (put_eol(fd) == FAIL)
goto fail;
p = buf;
while (*p != NUL)
{
// for each comma separated option part, append value to
// the option, :set rtp+=value
if (fprintf(fd, "%s %s+=", cmd, name) < 0)
goto fail;
(void)copy_option_part(&p, part, size, ",");
if (put_escstr(fd, part, 2) == FAIL || put_eol(fd) == FAIL)
goto fail;
}
vim_free(buf);
vim_free(part);
return OK;
}
if (put_escstr(fd, buf, 2) == FAIL)
{
vim_free(buf);
return FAIL;
}
vim_free(buf);
}
else if (put_escstr(fd, *valuep, 2) == FAIL)
return FAIL;
}
if (put_eol(fd) < 0)
return FAIL;
return OK;
fail:
vim_free(buf);
vim_free(part);
return FAIL;
}
static int
put_setnum(
FILE *fd,
char *cmd,
char *name,
long *valuep)
{
long wc;
if (fprintf(fd, "%s %s=", cmd, name) < 0)
return FAIL;
if (wc_use_keyname((char_u *)valuep, &wc))
{
// print 'wildchar' and 'wildcharm' as a key name
if (fputs((char *)get_special_key_name((int)wc, 0), fd) < 0)
return FAIL;
}
else if (fprintf(fd, "%ld", *valuep) < 0)
return FAIL;
if (put_eol(fd) < 0)
return FAIL;
return OK;
}
static int
put_setbool(
FILE *fd,
char *cmd,
char *name,
int value)
{
if (value < 0) // global/local option using global value
return OK;
if (fprintf(fd, "%s %s%s", cmd, value ? "" : "no", name) < 0
|| put_eol(fd) < 0)
return FAIL;
return OK;
}
/*
* Clear all the terminal options.
* If the option has been allocated, free the memory.
* Terminal options are never hidden or indirect.
*/
void
clear_termoptions(void)
{
// Reset a few things before clearing the old options. This may cause
// outputting a few things that the terminal doesn't understand, but the
// screen will be cleared later, so this is OK.
mch_setmouse(FALSE); // switch mouse off
mch_restore_title(SAVE_RESTORE_BOTH); // restore window titles
#if defined(FEAT_XCLIPBOARD) && defined(FEAT_GUI)
// When starting the GUI close the display opened for the clipboard.
// After restoring the title, because that will need the display.
if (gui.starting)
clear_xterm_clip();
#endif
stoptermcap(); // stop termcap mode
free_termoptions();
}
void
free_termoptions(void)
{
struct vimoption *p;
for (p = options; p->fullname != NULL; p++)
if (istermoption(p))
{
if (p->flags & P_ALLOCED)
free_string_option(*(char_u **)(p->var));
if (p->flags & P_DEF_ALLOCED)
free_string_option(p->def_val[VI_DEFAULT]);
*(char_u **)(p->var) = empty_option;
p->def_val[VI_DEFAULT] = empty_option;
p->flags &= ~(P_ALLOCED|P_DEF_ALLOCED);
#ifdef FEAT_EVAL
// remember where the option was cleared
set_option_sctx_idx((int)(p - options), OPT_GLOBAL, current_sctx);
#endif
}
clear_termcodes();
}
/*
* Free the string for one term option, if it was allocated.
* Set the string to empty_option and clear allocated flag.
* "var" points to the option value.
*/
void
free_one_termoption(char_u *var)
{
struct vimoption *p;
for (p = &options[0]; p->fullname != NULL; p++)
if (p->var == var)
{
if (p->flags & P_ALLOCED)
free_string_option(*(char_u **)(p->var));
*(char_u **)(p->var) = empty_option;
p->flags &= ~P_ALLOCED;
break;
}
}
/*
* Set the terminal option defaults to the current value.
* Used after setting the terminal name.
*/
void
set_term_defaults(void)
{
struct vimoption *p;
for (p = &options[0]; p->fullname != NULL; p++)
{
if (istermoption(p) && p->def_val[VI_DEFAULT] != *(char_u **)(p->var))
{
if (p->flags & P_DEF_ALLOCED)
{
free_string_option(p->def_val[VI_DEFAULT]);
p->flags &= ~P_DEF_ALLOCED;
}
p->def_val[VI_DEFAULT] = *(char_u **)(p->var);
if (p->flags & P_ALLOCED)
{
p->flags |= P_DEF_ALLOCED;
p->flags &= ~P_ALLOCED; // don't free the value now
}
}
}
}
/*
* return TRUE if 'p' starts with 't_'
*/
static int
istermoption(struct vimoption *p)
{
return (p->fullname[0] == 't' && p->fullname[1] == '_');
}
/*
* Returns TRUE if the option at 'opt_idx' starts with 't_'
*/
int
istermoption_idx(int opt_idx)
{
return istermoption(&options[opt_idx]);
}
#if defined(FEAT_PYTHON) || defined(FEAT_PYTHON3) || defined(PROTO)
/*
* Unset local option value, similar to ":set opt<".
*/
void
unset_global_local_option(char_u *name, void *from)
{
struct vimoption *p;
int opt_idx;
buf_T *buf = (buf_T *)from;
opt_idx = findoption(name);
if (opt_idx < 0)
return;
p = &(options[opt_idx]);
switch ((int)p->indir)
{
// global option with local value: use local value if it's been set
case PV_EP:
clear_string_option(&buf->b_p_ep);
break;
case PV_KP:
clear_string_option(&buf->b_p_kp);
break;
case PV_PATH:
clear_string_option(&buf->b_p_path);
break;
case PV_AR:
buf->b_p_ar = -1;
break;
case PV_BKC:
clear_string_option(&buf->b_p_bkc);
buf->b_bkc_flags = 0;
break;
case PV_TAGS:
clear_string_option(&buf->b_p_tags);
break;
case PV_TC:
clear_string_option(&buf->b_p_tc);
buf->b_tc_flags = 0;
break;
case PV_SISO:
curwin->w_p_siso = -1;
break;
case PV_SO:
curwin->w_p_so = -1;
break;
# ifdef FEAT_FIND_ID
case PV_DEF:
clear_string_option(&buf->b_p_def);
break;
case PV_INC:
clear_string_option(&buf->b_p_inc);
break;
# endif
case PV_DICT:
clear_string_option(&buf->b_p_dict);
break;
case PV_TSR:
clear_string_option(&buf->b_p_tsr);
break;
# ifdef FEAT_COMPL_FUNC
case PV_TSRFU:
clear_string_option(&buf->b_p_tsrfu);
break;
# endif
case PV_FP:
clear_string_option(&buf->b_p_fp);
break;
# ifdef FEAT_QUICKFIX
case PV_EFM:
clear_string_option(&buf->b_p_efm);
break;
case PV_GP:
clear_string_option(&buf->b_p_gp);
break;
case PV_MP:
clear_string_option(&buf->b_p_mp);
break;
# endif
# if defined(FEAT_BEVAL) && defined(FEAT_EVAL)
case PV_BEXPR:
clear_string_option(&buf->b_p_bexpr);
break;
# endif
# if defined(FEAT_CRYPT)
case PV_CM:
clear_string_option(&buf->b_p_cm);
break;
# endif
# ifdef FEAT_LINEBREAK
case PV_SBR:
clear_string_option(&((win_T *)from)->w_p_sbr);
break;
# endif
# ifdef FEAT_STL_OPT
case PV_STL:
clear_string_option(&((win_T *)from)->w_p_stl);
break;
# endif
case PV_UL:
buf->b_p_ul = NO_LOCAL_UNDOLEVEL;
break;
case PV_LW:
clear_string_option(&buf->b_p_lw);
break;
case PV_MENC:
clear_string_option(&buf->b_p_menc);
break;
case PV_LCS:
clear_string_option(&((win_T *)from)->w_p_lcs);
set_listchars_option((win_T *)from, ((win_T *)from)->w_p_lcs, TRUE,
NULL, 0);
redraw_later(UPD_NOT_VALID);
break;
case PV_FCS:
clear_string_option(&((win_T *)from)->w_p_fcs);
set_fillchars_option((win_T *)from, ((win_T *)from)->w_p_fcs, TRUE,
NULL, 0);
redraw_later(UPD_NOT_VALID);
break;
case PV_VE:
clear_string_option(&((win_T *)from)->w_p_ve);
((win_T *)from)->w_ve_flags = 0;
break;
}
}
#endif
/*
* Get pointer to option variable, depending on local or global scope.
* "scope" can be OPT_LOCAL, OPT_GLOBAL or a combination.
*/
static char_u *
get_varp_scope(struct vimoption *p, int scope)
{
if ((scope & OPT_GLOBAL) && p->indir != PV_NONE)
{
if (p->var == VAR_WIN)
return (char_u *)GLOBAL_WO(get_varp(p));
return p->var;
}
if ((scope & OPT_LOCAL) && ((int)p->indir & PV_BOTH))
{
switch ((int)p->indir)
{
case PV_FP: return (char_u *)&(curbuf->b_p_fp);
#ifdef FEAT_QUICKFIX
case PV_EFM: return (char_u *)&(curbuf->b_p_efm);
case PV_GP: return (char_u *)&(curbuf->b_p_gp);
case PV_MP: return (char_u *)&(curbuf->b_p_mp);
#endif
case PV_EP: return (char_u *)&(curbuf->b_p_ep);
case PV_KP: return (char_u *)&(curbuf->b_p_kp);
case PV_PATH: return (char_u *)&(curbuf->b_p_path);
case PV_AR: return (char_u *)&(curbuf->b_p_ar);
case PV_TAGS: return (char_u *)&(curbuf->b_p_tags);
case PV_TC: return (char_u *)&(curbuf->b_p_tc);
case PV_SISO: return (char_u *)&(curwin->w_p_siso);
case PV_SO: return (char_u *)&(curwin->w_p_so);
#ifdef FEAT_FIND_ID
case PV_DEF: return (char_u *)&(curbuf->b_p_def);
case PV_INC: return (char_u *)&(curbuf->b_p_inc);
#endif
case PV_DICT: return (char_u *)&(curbuf->b_p_dict);
case PV_TSR: return (char_u *)&(curbuf->b_p_tsr);
#ifdef FEAT_COMPL_FUNC
case PV_TSRFU: return (char_u *)&(curbuf->b_p_tsrfu);
#endif
#if defined(FEAT_BEVAL) && defined(FEAT_EVAL)
case PV_BEXPR: return (char_u *)&(curbuf->b_p_bexpr);
#endif
#if defined(FEAT_CRYPT)
case PV_CM: return (char_u *)&(curbuf->b_p_cm);
#endif
#ifdef FEAT_LINEBREAK
case PV_SBR: return (char_u *)&(curwin->w_p_sbr);
#endif
#ifdef FEAT_STL_OPT
case PV_STL: return (char_u *)&(curwin->w_p_stl);
#endif
case PV_UL: return (char_u *)&(curbuf->b_p_ul);
case PV_LW: return (char_u *)&(curbuf->b_p_lw);
case PV_BKC: return (char_u *)&(curbuf->b_p_bkc);
case PV_MENC: return (char_u *)&(curbuf->b_p_menc);
case PV_LCS: return (char_u *)&(curwin->w_p_lcs);
case PV_FCS: return (char_u *)&(curwin->w_p_fcs);
case PV_VE: return (char_u *)&(curwin->w_p_ve);
}
return NULL; // "cannot happen"
}
return get_varp(p);
}
/*
* Get pointer to option variable at 'opt_idx', depending on local or global
* scope.
*/
char_u *
get_option_varp_scope(int opt_idx, int scope)
{
return get_varp_scope(&(options[opt_idx]), scope);
}
/*
* Get pointer to option variable.
*/
static char_u *
get_varp(struct vimoption *p)
{
// hidden option, always return NULL
if (p->var == NULL)
return NULL;
switch ((int)p->indir)
{
case PV_NONE: return p->var;
// global option with local value: use local value if it's been set
case PV_EP: return *curbuf->b_p_ep != NUL
? (char_u *)&curbuf->b_p_ep : p->var;
case PV_KP: return *curbuf->b_p_kp != NUL
? (char_u *)&curbuf->b_p_kp : p->var;
case PV_PATH: return *curbuf->b_p_path != NUL
? (char_u *)&(curbuf->b_p_path) : p->var;
case PV_AR: return curbuf->b_p_ar >= 0
? (char_u *)&(curbuf->b_p_ar) : p->var;
case PV_TAGS: return *curbuf->b_p_tags != NUL
? (char_u *)&(curbuf->b_p_tags) : p->var;
case PV_TC: return *curbuf->b_p_tc != NUL
? (char_u *)&(curbuf->b_p_tc) : p->var;
case PV_BKC: return *curbuf->b_p_bkc != NUL
? (char_u *)&(curbuf->b_p_bkc) : p->var;
case PV_SISO: return curwin->w_p_siso >= 0
? (char_u *)&(curwin->w_p_siso) : p->var;
case PV_SO: return curwin->w_p_so >= 0
? (char_u *)&(curwin->w_p_so) : p->var;
#ifdef FEAT_FIND_ID
case PV_DEF: return *curbuf->b_p_def != NUL
? (char_u *)&(curbuf->b_p_def) : p->var;
case PV_INC: return *curbuf->b_p_inc != NUL
? (char_u *)&(curbuf->b_p_inc) : p->var;
#endif
case PV_DICT: return *curbuf->b_p_dict != NUL
? (char_u *)&(curbuf->b_p_dict) : p->var;
case PV_TSR: return *curbuf->b_p_tsr != NUL
? (char_u *)&(curbuf->b_p_tsr) : p->var;
#ifdef FEAT_COMPL_FUNC
case PV_TSRFU: return *curbuf->b_p_tsrfu != NUL
? (char_u *)&(curbuf->b_p_tsrfu) : p->var;
#endif
case PV_FP: return *curbuf->b_p_fp != NUL
? (char_u *)&(curbuf->b_p_fp) : p->var;
#ifdef FEAT_QUICKFIX
case PV_EFM: return *curbuf->b_p_efm != NUL
? (char_u *)&(curbuf->b_p_efm) : p->var;
case PV_GP: return *curbuf->b_p_gp != NUL
? (char_u *)&(curbuf->b_p_gp) : p->var;
case PV_MP: return *curbuf->b_p_mp != NUL
? (char_u *)&(curbuf->b_p_mp) : p->var;
#endif
#if defined(FEAT_BEVAL) && defined(FEAT_EVAL)
case PV_BEXPR: return *curbuf->b_p_bexpr != NUL
? (char_u *)&(curbuf->b_p_bexpr) : p->var;
#endif
#if defined(FEAT_CRYPT)
case PV_CM: return *curbuf->b_p_cm != NUL
? (char_u *)&(curbuf->b_p_cm) : p->var;
#endif
#ifdef FEAT_LINEBREAK
case PV_SBR: return *curwin->w_p_sbr != NUL
? (char_u *)&(curwin->w_p_sbr) : p->var;
#endif
#ifdef FEAT_STL_OPT
case PV_STL: return *curwin->w_p_stl != NUL
? (char_u *)&(curwin->w_p_stl) : p->var;
#endif
case PV_UL: return curbuf->b_p_ul != NO_LOCAL_UNDOLEVEL
? (char_u *)&(curbuf->b_p_ul) : p->var;
case PV_LW: return *curbuf->b_p_lw != NUL
? (char_u *)&(curbuf->b_p_lw) : p->var;
case PV_MENC: return *curbuf->b_p_menc != NUL
? (char_u *)&(curbuf->b_p_menc) : p->var;
#ifdef FEAT_ARABIC
case PV_ARAB: return (char_u *)&(curwin->w_p_arab);
#endif
case PV_LIST: return (char_u *)&(curwin->w_p_list);
case PV_LCS: return *curwin->w_p_lcs != NUL
? (char_u *)&(curwin->w_p_lcs) : p->var;
case PV_FCS: return *curwin->w_p_fcs != NUL
? (char_u *)&(curwin->w_p_fcs) : p->var;
case PV_VE: return *curwin->w_p_ve != NUL
? (char_u *)&(curwin->w_p_ve) : p->var;
#ifdef FEAT_SPELL
case PV_SPELL: return (char_u *)&(curwin->w_p_spell);
#endif
#ifdef FEAT_SYN_HL
case PV_CUC: return (char_u *)&(curwin->w_p_cuc);
case PV_CUL: return (char_u *)&(curwin->w_p_cul);
case PV_CULOPT: return (char_u *)&(curwin->w_p_culopt);
case PV_CC: return (char_u *)&(curwin->w_p_cc);
#endif
#ifdef FEAT_DIFF
case PV_DIFF: return (char_u *)&(curwin->w_p_diff);
#endif
#ifdef FEAT_FOLDING
case PV_FDC: return (char_u *)&(curwin->w_p_fdc);
case PV_FEN: return (char_u *)&(curwin->w_p_fen);
case PV_FDI: return (char_u *)&(curwin->w_p_fdi);
case PV_FDL: return (char_u *)&(curwin->w_p_fdl);
case PV_FDM: return (char_u *)&(curwin->w_p_fdm);
case PV_FML: return (char_u *)&(curwin->w_p_fml);
case PV_FDN: return (char_u *)&(curwin->w_p_fdn);
# ifdef FEAT_EVAL
case PV_FDE: return (char_u *)&(curwin->w_p_fde);
case PV_FDT: return (char_u *)&(curwin->w_p_fdt);
# endif
case PV_FMR: return (char_u *)&(curwin->w_p_fmr);
#endif
case PV_NU: return (char_u *)&(curwin->w_p_nu);
case PV_RNU: return (char_u *)&(curwin->w_p_rnu);
#ifdef FEAT_LINEBREAK
case PV_NUW: return (char_u *)&(curwin->w_p_nuw);
#endif
case PV_WFB: return (char_u *)&(curwin->w_p_wfb);
case PV_WFH: return (char_u *)&(curwin->w_p_wfh);
case PV_WFW: return (char_u *)&(curwin->w_p_wfw);
#if defined(FEAT_QUICKFIX)
case PV_PVW: return (char_u *)&(curwin->w_p_pvw);
#endif
#ifdef FEAT_RIGHTLEFT
case PV_RL: return (char_u *)&(curwin->w_p_rl);
case PV_RLC: return (char_u *)&(curwin->w_p_rlc);
#endif
case PV_SCROLL: return (char_u *)&(curwin->w_p_scr);
case PV_SMS: return (char_u *)&(curwin->w_p_sms);
case PV_WRAP: return (char_u *)&(curwin->w_p_wrap);
#ifdef FEAT_LINEBREAK
case PV_LBR: return (char_u *)&(curwin->w_p_lbr);
case PV_BRI: return (char_u *)&(curwin->w_p_bri);
case PV_BRIOPT: return (char_u *)&(curwin->w_p_briopt);
#endif
case PV_WCR: return (char_u *)&(curwin->w_p_wcr);
case PV_SCBIND: return (char_u *)&(curwin->w_p_scb);
case PV_CRBIND: return (char_u *)&(curwin->w_p_crb);
#ifdef FEAT_CONCEAL
case PV_COCU: return (char_u *)&(curwin->w_p_cocu);
case PV_COLE: return (char_u *)&(curwin->w_p_cole);
#endif
#ifdef FEAT_TERMINAL
case PV_TWK: return (char_u *)&(curwin->w_p_twk);
case PV_TWS: return (char_u *)&(curwin->w_p_tws);
case PV_TWSL: return (char_u *)&(curbuf->b_p_twsl);
#endif
case PV_AI: return (char_u *)&(curbuf->b_p_ai);
case PV_BIN: return (char_u *)&(curbuf->b_p_bin);
case PV_BOMB: return (char_u *)&(curbuf->b_p_bomb);
case PV_BH: return (char_u *)&(curbuf->b_p_bh);
case PV_BT: return (char_u *)&(curbuf->b_p_bt);
case PV_BL: return (char_u *)&(curbuf->b_p_bl);
case PV_CI: return (char_u *)&(curbuf->b_p_ci);
case PV_CIN: return (char_u *)&(curbuf->b_p_cin);
case PV_CINK: return (char_u *)&(curbuf->b_p_cink);
case PV_CINO: return (char_u *)&(curbuf->b_p_cino);
case PV_CINSD: return (char_u *)&(curbuf->b_p_cinsd);
case PV_CINW: return (char_u *)&(curbuf->b_p_cinw);
case PV_COM: return (char_u *)&(curbuf->b_p_com);
#ifdef FEAT_FOLDING
case PV_CMS: return (char_u *)&(curbuf->b_p_cms);
#endif
case PV_CPT: return (char_u *)&(curbuf->b_p_cpt);
#ifdef BACKSLASH_IN_FILENAME
case PV_CSL: return (char_u *)&(curbuf->b_p_csl);
#endif
#ifdef FEAT_COMPL_FUNC
case PV_CFU: return (char_u *)&(curbuf->b_p_cfu);
case PV_OFU: return (char_u *)&(curbuf->b_p_ofu);
#endif
#ifdef FEAT_EVAL
case PV_TFU: return (char_u *)&(curbuf->b_p_tfu);
#endif
case PV_EOF: return (char_u *)&(curbuf->b_p_eof);
case PV_EOL: return (char_u *)&(curbuf->b_p_eol);
case PV_FIXEOL: return (char_u *)&(curbuf->b_p_fixeol);
case PV_ET: return (char_u *)&(curbuf->b_p_et);
case PV_FENC: return (char_u *)&(curbuf->b_p_fenc);
case PV_FF: return (char_u *)&(curbuf->b_p_ff);
case PV_FT: return (char_u *)&(curbuf->b_p_ft);
case PV_FO: return (char_u *)&(curbuf->b_p_fo);
case PV_FLP: return (char_u *)&(curbuf->b_p_flp);
case PV_IMI: return (char_u *)&(curbuf->b_p_iminsert);
case PV_IMS: return (char_u *)&(curbuf->b_p_imsearch);
case PV_INF: return (char_u *)&(curbuf->b_p_inf);
case PV_ISK: return (char_u *)&(curbuf->b_p_isk);
#ifdef FEAT_FIND_ID
# ifdef FEAT_EVAL
case PV_INEX: return (char_u *)&(curbuf->b_p_inex);
# endif
#endif
#if defined(FEAT_EVAL)
case PV_INDE: return (char_u *)&(curbuf->b_p_inde);
case PV_INDK: return (char_u *)&(curbuf->b_p_indk);
#endif
#ifdef FEAT_EVAL
case PV_FEX: return (char_u *)&(curbuf->b_p_fex);
#endif
#ifdef FEAT_CRYPT
case PV_KEY: return (char_u *)&(curbuf->b_p_key);
#endif
case PV_LISP: return (char_u *)&(curbuf->b_p_lisp);
case PV_LOP: return (char_u *)&(curbuf->b_p_lop);
case PV_ML: return (char_u *)&(curbuf->b_p_ml);
case PV_MPS: return (char_u *)&(curbuf->b_p_mps);
case PV_MA: return (char_u *)&(curbuf->b_p_ma);
case PV_MOD: return (char_u *)&(curbuf->b_changed);
case PV_NF: return (char_u *)&(curbuf->b_p_nf);
case PV_PI: return (char_u *)&(curbuf->b_p_pi);
case PV_QE: return (char_u *)&(curbuf->b_p_qe);
case PV_RO: return (char_u *)&(curbuf->b_p_ro);
case PV_SI: return (char_u *)&(curbuf->b_p_si);
case PV_SN: return (char_u *)&(curbuf->b_p_sn);
case PV_STS: return (char_u *)&(curbuf->b_p_sts);
case PV_SUA: return (char_u *)&(curbuf->b_p_sua);
case PV_SWF: return (char_u *)&(curbuf->b_p_swf);
#ifdef FEAT_SYN_HL
case PV_SMC: return (char_u *)&(curbuf->b_p_smc);
case PV_SYN: return (char_u *)&(curbuf->b_p_syn);
#endif
#ifdef FEAT_SPELL
case PV_SPC: return (char_u *)&(curwin->w_s->b_p_spc);
case PV_SPF: return (char_u *)&(curwin->w_s->b_p_spf);
case PV_SPL: return (char_u *)&(curwin->w_s->b_p_spl);
case PV_SPO: return (char_u *)&(curwin->w_s->b_p_spo);
#endif
case PV_SW: return (char_u *)&(curbuf->b_p_sw);
case PV_TS: return (char_u *)&(curbuf->b_p_ts);
case PV_TW: return (char_u *)&(curbuf->b_p_tw);
case PV_TX: return (char_u *)&(curbuf->b_p_tx);
#ifdef FEAT_PERSISTENT_UNDO
case PV_UDF: return (char_u *)&(curbuf->b_p_udf);
#endif
case PV_WM: return (char_u *)&(curbuf->b_p_wm);
#ifdef FEAT_KEYMAP
case PV_KMAP: return (char_u *)&(curbuf->b_p_keymap);
#endif
#ifdef FEAT_SIGNS
case PV_SCL: return (char_u *)&(curwin->w_p_scl);
#endif
#ifdef FEAT_VARTABS
case PV_VSTS: return (char_u *)&(curbuf->b_p_vsts);
case PV_VTS: return (char_u *)&(curbuf->b_p_vts);
#endif
default: iemsg(e_get_varp_error);
}
// always return a valid pointer to avoid a crash!
return (char_u *)&(curbuf->b_p_wm);
}
/*
* Return a pointer to the variable for option at 'opt_idx'
*/
char_u *
get_option_var(int opt_idx)
{
return options[opt_idx].var;
}
#if defined(FEAT_EVAL) || defined(PROTO)
/*
* Return the full name of the option at 'opt_idx'
*/
char_u *
get_option_fullname(int opt_idx)
{
return (char_u *)options[opt_idx].fullname;
}
#endif
/*
* Return the did_set callback function for the option at 'opt_idx'
*/
opt_did_set_cb_T
get_option_did_set_cb(int opt_idx)
{
return options[opt_idx].opt_did_set_cb;
}
/*
* Get the value of 'equalprg', either the buffer-local one or the global one.
*/
char_u *
get_equalprg(void)
{
if (*curbuf->b_p_ep == NUL)
return p_ep;
return curbuf->b_p_ep;
}
/*
* Copy options from one window to another.
* Used when splitting a window.
*/
void
win_copy_options(win_T *wp_from, win_T *wp_to)
{
copy_winopt(&wp_from->w_onebuf_opt, &wp_to->w_onebuf_opt);
copy_winopt(&wp_from->w_allbuf_opt, &wp_to->w_allbuf_opt);
after_copy_winopt(wp_to);
}
/*
* After copying window options: update variables depending on options.
*/
void
after_copy_winopt(win_T *wp)
{
#ifdef FEAT_LINEBREAK
briopt_check(wp);
#endif
#ifdef FEAT_SYN_HL
fill_culopt_flags(NULL, wp);
check_colorcolumn(wp);
#endif
set_listchars_option(wp, wp->w_p_lcs, TRUE, NULL, 0);
set_fillchars_option(wp, wp->w_p_fcs, TRUE, NULL, 0);
}
static char_u *
copy_option_val(char_u *val)
{
if (val == empty_option)
return empty_option; // no need to allocate memory
return vim_strsave(val);
}
/*
* Copy the options from one winopt_T to another.
* Doesn't free the old option values in "to", use clear_winopt() for that.
* The 'scroll' option is not copied, because it depends on the window height.
* The 'previewwindow' option is reset, there can be only one preview window.
*/
void
copy_winopt(winopt_T *from, winopt_T *to)
{
#ifdef FEAT_ARABIC
to->wo_arab = from->wo_arab;
#endif
to->wo_list = from->wo_list;
to->wo_lcs = copy_option_val(from->wo_lcs);
to->wo_fcs = copy_option_val(from->wo_fcs);
to->wo_nu = from->wo_nu;
to->wo_rnu = from->wo_rnu;
to->wo_ve = copy_option_val(from->wo_ve);
to->wo_ve_flags = from->wo_ve_flags;
#ifdef FEAT_LINEBREAK
to->wo_nuw = from->wo_nuw;
#endif
#ifdef FEAT_RIGHTLEFT
to->wo_rl = from->wo_rl;
to->wo_rlc = copy_option_val(from->wo_rlc);
#endif
#ifdef FEAT_LINEBREAK
to->wo_sbr = copy_option_val(from->wo_sbr);
#endif
#ifdef FEAT_STL_OPT
to->wo_stl = copy_option_val(from->wo_stl);
#endif
to->wo_wrap = from->wo_wrap;
#ifdef FEAT_DIFF
to->wo_wrap_save = from->wo_wrap_save;
#endif
#ifdef FEAT_LINEBREAK
to->wo_lbr = from->wo_lbr;
to->wo_bri = from->wo_bri;
to->wo_briopt = copy_option_val(from->wo_briopt);
#endif
to->wo_wcr = copy_option_val(from->wo_wcr);
to->wo_scb = from->wo_scb;
to->wo_scb_save = from->wo_scb_save;
to->wo_sms = from->wo_sms;
to->wo_crb = from->wo_crb;
to->wo_crb_save = from->wo_crb_save;
to->wo_siso = from->wo_siso;
to->wo_so = from->wo_so;
#ifdef FEAT_SPELL
to->wo_spell = from->wo_spell;
#endif
#ifdef FEAT_SYN_HL
to->wo_cuc = from->wo_cuc;
to->wo_cul = from->wo_cul;
to->wo_culopt = copy_option_val(from->wo_culopt);
to->wo_cc = copy_option_val(from->wo_cc);
#endif
#ifdef FEAT_DIFF
to->wo_diff = from->wo_diff;
to->wo_diff_saved = from->wo_diff_saved;
#endif
#ifdef FEAT_CONCEAL
to->wo_cocu = copy_option_val(from->wo_cocu);
to->wo_cole = from->wo_cole;
#endif
#ifdef FEAT_TERMINAL
to->wo_twk = copy_option_val(from->wo_twk);
to->wo_tws = copy_option_val(from->wo_tws);
#endif
#ifdef FEAT_FOLDING
to->wo_fdc = from->wo_fdc;
to->wo_fdc_save = from->wo_fdc_save;
to->wo_fen = from->wo_fen;
to->wo_fen_save = from->wo_fen_save;
to->wo_fdi = copy_option_val(from->wo_fdi);
to->wo_fml = from->wo_fml;
to->wo_fdl = from->wo_fdl;
to->wo_fdl_save = from->wo_fdl_save;
to->wo_fdm = copy_option_val(from->wo_fdm);
to->wo_fdm_save = from->wo_diff_saved
? vim_strsave(from->wo_fdm_save) : empty_option;
to->wo_fdn = from->wo_fdn;
# ifdef FEAT_EVAL
to->wo_fde = copy_option_val(from->wo_fde);
to->wo_fdt = copy_option_val(from->wo_fdt);
# endif
to->wo_fmr = copy_option_val(from->wo_fmr);
#endif
#ifdef FEAT_SIGNS
to->wo_scl = copy_option_val(from->wo_scl);
#endif
#ifdef FEAT_EVAL
// Copy the script context so that we know where the value was last set.
mch_memmove(to->wo_script_ctx, from->wo_script_ctx,
sizeof(to->wo_script_ctx));
#endif
check_winopt(to); // don't want NULL pointers
}
/*
* Check string options in a window for a NULL value.
*/
static void
check_win_options(win_T *win)
{
check_winopt(&win->w_onebuf_opt);
check_winopt(&win->w_allbuf_opt);
}
/*
* Check for NULL pointers in a winopt_T and replace them with empty_option.
*/
static void
check_winopt(winopt_T *wop UNUSED)
{
#ifdef FEAT_FOLDING
check_string_option(&wop->wo_fdi);
check_string_option(&wop->wo_fdm);
check_string_option(&wop->wo_fdm_save);
# ifdef FEAT_EVAL
check_string_option(&wop->wo_fde);
check_string_option(&wop->wo_fdt);
# endif
check_string_option(&wop->wo_fmr);
#endif
#ifdef FEAT_SIGNS
check_string_option(&wop->wo_scl);
#endif
#ifdef FEAT_RIGHTLEFT
check_string_option(&wop->wo_rlc);
#endif
#ifdef FEAT_LINEBREAK
check_string_option(&wop->wo_sbr);
#endif
#ifdef FEAT_STL_OPT
check_string_option(&wop->wo_stl);
#endif
#ifdef FEAT_SYN_HL
check_string_option(&wop->wo_culopt);
check_string_option(&wop->wo_cc);
#endif
#ifdef FEAT_CONCEAL
check_string_option(&wop->wo_cocu);
#endif
#ifdef FEAT_TERMINAL
check_string_option(&wop->wo_twk);
check_string_option(&wop->wo_tws);
#endif
#ifdef FEAT_LINEBREAK
check_string_option(&wop->wo_briopt);
#endif
check_string_option(&wop->wo_wcr);
check_string_option(&wop->wo_lcs);
check_string_option(&wop->wo_fcs);
check_string_option(&wop->wo_ve);
}
/*
* Free the allocated memory inside a winopt_T.
*/
void
clear_winopt(winopt_T *wop UNUSED)
{
#ifdef FEAT_FOLDING
clear_string_option(&wop->wo_fdi);
clear_string_option(&wop->wo_fdm);
clear_string_option(&wop->wo_fdm_save);
# ifdef FEAT_EVAL
clear_string_option(&wop->wo_fde);
clear_string_option(&wop->wo_fdt);
# endif
clear_string_option(&wop->wo_fmr);
#endif
#ifdef FEAT_SIGNS
clear_string_option(&wop->wo_scl);
#endif
#ifdef FEAT_LINEBREAK
clear_string_option(&wop->wo_briopt);
#endif
clear_string_option(&wop->wo_wcr);
#ifdef FEAT_RIGHTLEFT
clear_string_option(&wop->wo_rlc);
#endif
#ifdef FEAT_LINEBREAK
clear_string_option(&wop->wo_sbr);
#endif
#ifdef FEAT_STL_OPT
clear_string_option(&wop->wo_stl);
#endif
#ifdef FEAT_SYN_HL
clear_string_option(&wop->wo_culopt);
clear_string_option(&wop->wo_cc);
#endif
#ifdef FEAT_CONCEAL
clear_string_option(&wop->wo_cocu);
#endif
#ifdef FEAT_TERMINAL
clear_string_option(&wop->wo_twk);
clear_string_option(&wop->wo_tws);
#endif
clear_string_option(&wop->wo_lcs);
clear_string_option(&wop->wo_fcs);
clear_string_option(&wop->wo_ve);
}
#ifdef FEAT_EVAL
// Index into the options table for a buffer-local option enum.
static int buf_opt_idx[BV_COUNT];
# define COPY_OPT_SCTX(buf, bv) buf->b_p_script_ctx[bv] = options[buf_opt_idx[bv]].script_ctx
/*
* Initialize buf_opt_idx[] if not done already.
*/
static void
init_buf_opt_idx(void)
{
static int did_init_buf_opt_idx = FALSE;
int i;
if (did_init_buf_opt_idx)
return;
did_init_buf_opt_idx = TRUE;
for (i = 0; !istermoption_idx(i); i++)
if (options[i].indir & PV_BUF)
buf_opt_idx[options[i].indir & PV_MASK] = i;
}
#else
# define COPY_OPT_SCTX(buf, bv)
#endif
/*
* Copy global option values to local options for one buffer.
* Used when creating a new buffer and sometimes when entering a buffer.
* flags:
* BCO_ENTER We will enter the buffer "buf".
* BCO_ALWAYS Always copy the options, but only set b_p_initialized when
* appropriate.
* BCO_NOHELP Don't copy the values to a help buffer.
*/
void
buf_copy_options(buf_T *buf, int flags)
{
int should_copy = TRUE;
char_u *save_p_isk = NULL; // init for GCC
int dont_do_help;
int did_isk = FALSE;
// Skip this when the option defaults have not been set yet. Happens when
// main() allocates the first buffer.
if (p_cpo != NULL)
{
/*
* Always copy when entering and 'cpo' contains 'S'.
* Don't copy when already initialized.
* Don't copy when 'cpo' contains 's' and not entering.
* 'S' BCO_ENTER initialized 's' should_copy
* yes yes X X TRUE
* yes no yes X FALSE
* no X yes X FALSE
* X no no yes FALSE
* X no no no TRUE
* no yes no X TRUE
*/
if ((vim_strchr(p_cpo, CPO_BUFOPTGLOB) == NULL || !(flags & BCO_ENTER))
&& (buf->b_p_initialized
|| (!(flags & BCO_ENTER)
&& vim_strchr(p_cpo, CPO_BUFOPT) != NULL)))
should_copy = FALSE;
if (should_copy || (flags & BCO_ALWAYS))
{
#ifdef FEAT_EVAL
CLEAR_FIELD(buf->b_p_script_ctx);
init_buf_opt_idx();
#endif
// Don't copy the options specific to a help buffer when
// BCO_NOHELP is given or the options were initialized already
// (jumping back to a help file with CTRL-T or CTRL-O)
dont_do_help = ((flags & BCO_NOHELP) && buf->b_help)
|| buf->b_p_initialized;
if (dont_do_help) // don't free b_p_isk
{
save_p_isk = buf->b_p_isk;
buf->b_p_isk = NULL;
}
// Always free the allocated strings. If not already initialized,
// reset 'readonly' and copy 'fileformat'.
if (!buf->b_p_initialized)
{
free_buf_options(buf, TRUE);
buf->b_p_ro = FALSE; // don't copy readonly
buf->b_p_tx = p_tx;
buf->b_p_fenc = vim_strsave(p_fenc);
switch (*p_ffs)
{
case 'm':
buf->b_p_ff = vim_strsave((char_u *)FF_MAC); break;
case 'd':
buf->b_p_ff = vim_strsave((char_u *)FF_DOS); break;
case 'u':
buf->b_p_ff = vim_strsave((char_u *)FF_UNIX); break;
default:
buf->b_p_ff = vim_strsave(p_ff);
}
if (buf->b_p_ff != NULL)
buf->b_start_ffc = *buf->b_p_ff;
buf->b_p_bh = empty_option;
buf->b_p_bt = empty_option;
}
else
free_buf_options(buf, FALSE);
buf->b_p_ai = p_ai;
COPY_OPT_SCTX(buf, BV_AI);
buf->b_p_ai_nopaste = p_ai_nopaste;
buf->b_p_sw = p_sw;
COPY_OPT_SCTX(buf, BV_SW);
buf->b_p_tw = p_tw;
COPY_OPT_SCTX(buf, BV_TW);
buf->b_p_tw_nopaste = p_tw_nopaste;
buf->b_p_tw_nobin = p_tw_nobin;
buf->b_p_wm = p_wm;
COPY_OPT_SCTX(buf, BV_WM);
buf->b_p_wm_nopaste = p_wm_nopaste;
buf->b_p_wm_nobin = p_wm_nobin;
buf->b_p_bin = p_bin;
COPY_OPT_SCTX(buf, BV_BIN);
buf->b_p_bomb = p_bomb;
COPY_OPT_SCTX(buf, BV_BOMB);
buf->b_p_fixeol = p_fixeol;
COPY_OPT_SCTX(buf, BV_FIXEOL);
buf->b_p_et = p_et;
COPY_OPT_SCTX(buf, BV_ET);
buf->b_p_et_nobin = p_et_nobin;
buf->b_p_et_nopaste = p_et_nopaste;
buf->b_p_ml = p_ml;
COPY_OPT_SCTX(buf, BV_ML);
buf->b_p_ml_nobin = p_ml_nobin;
buf->b_p_inf = p_inf;
COPY_OPT_SCTX(buf, BV_INF);
if (cmdmod.cmod_flags & CMOD_NOSWAPFILE)
buf->b_p_swf = FALSE;
else
{
buf->b_p_swf = p_swf;
COPY_OPT_SCTX(buf, BV_SWF);
}
buf->b_p_cpt = vim_strsave(p_cpt);
COPY_OPT_SCTX(buf, BV_CPT);
#ifdef BACKSLASH_IN_FILENAME
buf->b_p_csl = vim_strsave(p_csl);
COPY_OPT_SCTX(buf, BV_CSL);
#endif
#ifdef FEAT_COMPL_FUNC
buf->b_p_cfu = vim_strsave(p_cfu);
COPY_OPT_SCTX(buf, BV_CFU);
set_buflocal_cfu_callback(buf);
buf->b_p_ofu = vim_strsave(p_ofu);
COPY_OPT_SCTX(buf, BV_OFU);
set_buflocal_ofu_callback(buf);
#endif
#ifdef FEAT_EVAL
buf->b_p_tfu = vim_strsave(p_tfu);
COPY_OPT_SCTX(buf, BV_TFU);
set_buflocal_tfu_callback(buf);
#endif
buf->b_p_sts = p_sts;
COPY_OPT_SCTX(buf, BV_STS);
buf->b_p_sts_nopaste = p_sts_nopaste;
#ifdef FEAT_VARTABS
buf->b_p_vsts = vim_strsave(p_vsts);
COPY_OPT_SCTX(buf, BV_VSTS);
if (p_vsts && p_vsts != empty_option)
(void)tabstop_set(p_vsts, &buf->b_p_vsts_array);
else
buf->b_p_vsts_array = NULL;
buf->b_p_vsts_nopaste = p_vsts_nopaste
? vim_strsave(p_vsts_nopaste) : NULL;
#endif
buf->b_p_sn = p_sn;
COPY_OPT_SCTX(buf, BV_SN);
buf->b_p_com = vim_strsave(p_com);
COPY_OPT_SCTX(buf, BV_COM);
#ifdef FEAT_FOLDING
buf->b_p_cms = vim_strsave(p_cms);
COPY_OPT_SCTX(buf, BV_CMS);
#endif
buf->b_p_fo = vim_strsave(p_fo);
COPY_OPT_SCTX(buf, BV_FO);
buf->b_p_flp = vim_strsave(p_flp);
COPY_OPT_SCTX(buf, BV_FLP);
// NOTE: Valgrind may report a bogus memory leak for 'nrformats'
// when it is set to 8 bytes in defaults.vim.
buf->b_p_nf = vim_strsave(p_nf);
COPY_OPT_SCTX(buf, BV_NF);
buf->b_p_mps = vim_strsave(p_mps);
COPY_OPT_SCTX(buf, BV_MPS);
buf->b_p_si = p_si;
COPY_OPT_SCTX(buf, BV_SI);
buf->b_p_ci = p_ci;
COPY_OPT_SCTX(buf, BV_CI);
buf->b_p_cin = p_cin;
COPY_OPT_SCTX(buf, BV_CIN);
buf->b_p_cink = vim_strsave(p_cink);
COPY_OPT_SCTX(buf, BV_CINK);
buf->b_p_cino = vim_strsave(p_cino);
COPY_OPT_SCTX(buf, BV_CINO);
buf->b_p_cinsd = vim_strsave(p_cinsd);
COPY_OPT_SCTX(buf, BV_CINSD);
buf->b_p_lop = vim_strsave(p_lop);
COPY_OPT_SCTX(buf, BV_LOP);
// Don't copy 'filetype', it must be detected
buf->b_p_ft = empty_option;
buf->b_p_pi = p_pi;
COPY_OPT_SCTX(buf, BV_PI);
buf->b_p_cinw = vim_strsave(p_cinw);
COPY_OPT_SCTX(buf, BV_CINW);
buf->b_p_lisp = p_lisp;
COPY_OPT_SCTX(buf, BV_LISP);
#ifdef FEAT_SYN_HL
// Don't copy 'syntax', it must be set
buf->b_p_syn = empty_option;
buf->b_p_smc = p_smc;
COPY_OPT_SCTX(buf, BV_SMC);
buf->b_s.b_syn_isk = empty_option;
#endif
#ifdef FEAT_SPELL
buf->b_s.b_p_spc = vim_strsave(p_spc);
COPY_OPT_SCTX(buf, BV_SPC);
(void)compile_cap_prog(&buf->b_s);
buf->b_s.b_p_spf = vim_strsave(p_spf);
COPY_OPT_SCTX(buf, BV_SPF);
buf->b_s.b_p_spl = vim_strsave(p_spl);
COPY_OPT_SCTX(buf, BV_SPL);
buf->b_s.b_p_spo = vim_strsave(p_spo);
COPY_OPT_SCTX(buf, BV_SPO);
#endif
#if defined(FEAT_EVAL)
buf->b_p_inde = vim_strsave(p_inde);
COPY_OPT_SCTX(buf, BV_INDE);
buf->b_p_indk = vim_strsave(p_indk);
COPY_OPT_SCTX(buf, BV_INDK);
#endif
buf->b_p_fp = empty_option;
#if defined(FEAT_EVAL)
buf->b_p_fex = vim_strsave(p_fex);
COPY_OPT_SCTX(buf, BV_FEX);
#endif
#ifdef FEAT_CRYPT
buf->b_p_key = vim_strsave(p_key);
COPY_OPT_SCTX(buf, BV_KEY);
#endif
buf->b_p_sua = vim_strsave(p_sua);
COPY_OPT_SCTX(buf, BV_SUA);
#ifdef FEAT_KEYMAP
buf->b_p_keymap = vim_strsave(p_keymap);
COPY_OPT_SCTX(buf, BV_KMAP);
buf->b_kmap_state |= KEYMAP_INIT;
#endif
#ifdef FEAT_TERMINAL
buf->b_p_twsl = p_twsl;
COPY_OPT_SCTX(buf, BV_TWSL);
#endif
// This isn't really an option, but copying the langmap and IME
// state from the current buffer is better than resetting it.
buf->b_p_iminsert = p_iminsert;
COPY_OPT_SCTX(buf, BV_IMI);
buf->b_p_imsearch = p_imsearch;
COPY_OPT_SCTX(buf, BV_IMS);
// options that are normally global but also have a local value
// are not copied, start using the global value
buf->b_p_ar = -1;
buf->b_p_ul = NO_LOCAL_UNDOLEVEL;
buf->b_p_bkc = empty_option;
buf->b_bkc_flags = 0;
#ifdef FEAT_QUICKFIX
buf->b_p_gp = empty_option;
buf->b_p_mp = empty_option;
buf->b_p_efm = empty_option;
#endif
buf->b_p_ep = empty_option;
buf->b_p_kp = empty_option;
buf->b_p_path = empty_option;
buf->b_p_tags = empty_option;
buf->b_p_tc = empty_option;
buf->b_tc_flags = 0;
#ifdef FEAT_FIND_ID
buf->b_p_def = empty_option;
buf->b_p_inc = empty_option;
# ifdef FEAT_EVAL
buf->b_p_inex = vim_strsave(p_inex);
COPY_OPT_SCTX(buf, BV_INEX);
# endif
#endif
buf->b_p_dict = empty_option;
buf->b_p_tsr = empty_option;
#ifdef FEAT_COMPL_FUNC
buf->b_p_tsrfu = empty_option;
#endif
buf->b_p_qe = vim_strsave(p_qe);
COPY_OPT_SCTX(buf, BV_QE);
#if defined(FEAT_BEVAL) && defined(FEAT_EVAL)
buf->b_p_bexpr = empty_option;
#endif
#if defined(FEAT_CRYPT)
buf->b_p_cm = empty_option;
#endif
#ifdef FEAT_PERSISTENT_UNDO
buf->b_p_udf = p_udf;
COPY_OPT_SCTX(buf, BV_UDF);
#endif
buf->b_p_lw = empty_option;
buf->b_p_menc = empty_option;
// Don't copy the options set by ex_help(), use the saved values,
// when going from a help buffer to a non-help buffer.
// Don't touch these at all when BCO_NOHELP is used and going from
// or to a help buffer.
if (dont_do_help)
{
buf->b_p_isk = save_p_isk;
#ifdef FEAT_VARTABS
if (p_vts && *p_vts != NUL && !buf->b_p_vts_array)
(void)tabstop_set(p_vts, &buf->b_p_vts_array);
else
buf->b_p_vts_array = NULL;
#endif
}
else
{
buf->b_p_isk = vim_strsave(p_isk);
COPY_OPT_SCTX(buf, BV_ISK);
did_isk = TRUE;
buf->b_p_ts = p_ts;
COPY_OPT_SCTX(buf, BV_TS);
#ifdef FEAT_VARTABS
buf->b_p_vts = vim_strsave(p_vts);
COPY_OPT_SCTX(buf, BV_VTS);
if (p_vts && *p_vts != NUL && !buf->b_p_vts_array)
(void)tabstop_set(p_vts, &buf->b_p_vts_array);
else
buf->b_p_vts_array = NULL;
#endif
buf->b_help = FALSE;
if (buf->b_p_bt[0] == 'h')
clear_string_option(&buf->b_p_bt);
buf->b_p_ma = p_ma;
COPY_OPT_SCTX(buf, BV_MA);
}
}
// When the options should be copied (ignoring BCO_ALWAYS), set the
// flag that indicates that the options have been initialized.
if (should_copy)
buf->b_p_initialized = TRUE;
}
check_buf_options(buf); // make sure we don't have NULLs
if (did_isk)
(void)buf_init_chartab(buf, FALSE);
}
/*
* Reset the 'modifiable' option and its default value.
*/
void
reset_modifiable(void)
{
int opt_idx;
curbuf->b_p_ma = FALSE;
p_ma = FALSE;
opt_idx = findoption((char_u *)"ma");
if (opt_idx >= 0)
options[opt_idx].def_val[VI_DEFAULT] = FALSE;
}
/*
* Set the global value for 'iminsert' to the local value.
*/
void
set_iminsert_global(void)
{
p_iminsert = curbuf->b_p_iminsert;
}
/*
* Set the global value for 'imsearch' to the local value.
*/
void
set_imsearch_global(void)
{
p_imsearch = curbuf->b_p_imsearch;
}
static int expand_option_idx = -1;
static int expand_option_start_col = 0;
static char_u expand_option_name[5] = {'t', '_', NUL, NUL, NUL};
static int expand_option_flags = 0;
static int expand_option_append = FALSE;
void
set_context_in_set_cmd(
expand_T *xp,
char_u *arg,
int opt_flags) // OPT_GLOBAL and/or OPT_LOCAL
{
int nextchar;
long_u flags = 0; // init for GCC
int opt_idx = 0; // init for GCC
char_u *p;
char_u *s;
int is_term_option = FALSE;
int key;
expand_option_flags = opt_flags;
xp->xp_context = EXPAND_SETTINGS;
if (*arg == NUL)
{
xp->xp_pattern = arg;
return;
}
p = arg + STRLEN(arg) - 1;
if (*p == ' ' && *(p - 1) != '\\')
{
xp->xp_pattern = p + 1;
return;
}
while (p > arg)
{
s = p;
// count number of backslashes before ' ' or ','
if (*p == ' ' || *p == ',')
{
while (s > arg && *(s - 1) == '\\')
--s;
}
// break at a space with an even number of backslashes
if (*p == ' ' && ((p - s) & 1) == 0)
{
++p;
break;
}
--p;
}
if (STRNCMP(p, "no", 2) == 0 && STRNCMP(p, "novice", 6) != 0)
{
xp->xp_context = EXPAND_BOOL_SETTINGS;
xp->xp_prefix = XP_PREFIX_NO;
p += 2;
}
else if (STRNCMP(p, "inv", 3) == 0)
{
xp->xp_context = EXPAND_BOOL_SETTINGS;
xp->xp_prefix = XP_PREFIX_INV;
p += 3;
}
xp->xp_pattern = arg = p;
if (*arg == '<')
{
while (*p != '>')
if (*p++ == NUL) // expand terminal option name
return;
key = get_special_key_code(arg + 1);
if (key == 0) // unknown name
{
xp->xp_context = EXPAND_NOTHING;
return;
}
nextchar = *++p;
is_term_option = TRUE;
expand_option_name[2] = KEY2TERMCAP0(key);
expand_option_name[3] = KEY2TERMCAP1(key);
}
else
{
if (p[0] == 't' && p[1] == '_')
{
p += 2;
if (*p != NUL)
++p;
if (*p == NUL)
return; // expand option name
nextchar = *++p;
is_term_option = TRUE;
expand_option_name[2] = p[-2];
expand_option_name[3] = p[-1];
}
else
{
// Allow * wildcard
while (ASCII_ISALNUM(*p) || *p == '_' || *p == '*')
p++;
if (*p == NUL)
return;
nextchar = *p;
*p = NUL;
opt_idx = findoption(arg);
*p = nextchar;
if (opt_idx == -1 || options[opt_idx].var == NULL)
{
xp->xp_context = EXPAND_NOTHING;
return;
}
flags = options[opt_idx].flags;
if (flags & P_BOOL)
{
xp->xp_context = EXPAND_NOTHING;
return;
}
}
}
// handle "-=" and "+="
expand_option_append = FALSE;
int expand_option_subtract = FALSE;
if ((nextchar == '-' || nextchar == '+' || nextchar == '^') && p[1] == '=')
{
if (nextchar == '-')
expand_option_subtract = TRUE;
if (nextchar == '+' || nextchar == '^')
expand_option_append = TRUE;
++p;
nextchar = '=';
}
if ((nextchar != '=' && nextchar != ':')
|| xp->xp_context == EXPAND_BOOL_SETTINGS)
{
xp->xp_context = EXPAND_UNSUCCESSFUL;
return;
}
// Below are for handling expanding a specific option's value after the '='
// or ':'
if (is_term_option)
expand_option_idx = -1;
else
expand_option_idx = opt_idx;
if (!is_term_option)
{
if (options[opt_idx].flags & P_NO_CMD_EXPAND)
{
xp->xp_context=EXPAND_UNSUCCESSFUL;
return;
}
}
xp->xp_pattern = p + 1;
expand_option_start_col = (int)(p + 1 - xp->xp_line);
// Certain options currently have special case handling to reuse the
// expansion logic with other commands.
#ifdef FEAT_SYN_HL
if (options[opt_idx].var == (char_u *)&p_syn)
{
xp->xp_context = EXPAND_OWNSYNTAX;
return;
}
#endif
if (options[opt_idx].var == (char_u *)&p_ft)
{
xp->xp_context = EXPAND_FILETYPE;
return;
}
#ifdef FEAT_KEYMAP
if (options[opt_idx].var == (char_u *)&p_keymap)
{
xp->xp_context = EXPAND_KEYMAP;
return;
}
#endif
// Now pick. If the option has a custom expander, use that. Otherwise, just
// fill with the existing option value.
if (expand_option_subtract)
{
xp->xp_context = EXPAND_SETTING_SUBTRACT;
return;
}
else if (expand_option_idx >= 0 &&
options[expand_option_idx].opt_expand_cb != NULL)
{
xp->xp_context = EXPAND_STRING_SETTING;
}
else if (*xp->xp_pattern == NUL)
{
xp->xp_context = EXPAND_OLD_SETTING;
return;
}
else
xp->xp_context = EXPAND_NOTHING;
if (is_term_option || (flags & P_NUM))
return;
// Only string options below
// Options that have P_EXPAND are considered to all use file/dir expansion.
if (flags & P_EXPAND)
{
p = options[opt_idx].var;
if (p == (char_u *)&p_bdir
|| p == (char_u *)&p_dir
|| p == (char_u *)&p_path
|| p == (char_u *)&p_pp
|| p == (char_u *)&p_rtp
|| p == (char_u *)&p_cdpath
#ifdef FEAT_SESSION
|| p == (char_u *)&p_vdir
#endif
)
{
xp->xp_context = EXPAND_DIRECTORIES;
if (p == (char_u *)&p_path || p == (char_u *)&p_cdpath)
xp->xp_backslash = XP_BS_THREE;
else
xp->xp_backslash = XP_BS_ONE;
}
else
{
xp->xp_context = EXPAND_FILES;
// for 'tags' need three backslashes for a space
if (p == (char_u *)&p_tags)
xp->xp_backslash = XP_BS_THREE;
else
xp->xp_backslash = XP_BS_ONE;
}
if (flags & P_COMMA)
xp->xp_backslash |= XP_BS_COMMA;
}
// For an option that is a list of file names, or comma/colon-separated
// values, split it by the delimiter and find the start of the current
// pattern, while accounting for backslash-escaped space/commas/colons.
// Triple-backslashed escaped file names (e.g. 'path') can also be
// delimited by space.
if ((flags & P_EXPAND) || (flags & P_COMMA) || (flags & P_COLON))
{
for (p = arg + STRLEN(arg) - 1; p >= xp->xp_pattern; --p)
{
// count number of backslashes before ' ' or ',' or ':'
if (*p == ' ' || *p == ',' ||
(*p == ':' && (flags & P_COLON)))
{
s = p;
while (s > xp->xp_pattern && *(s - 1) == '\\')
--s;
if ((*p == ' ' && ((xp->xp_backslash & XP_BS_THREE) && (p - s) < 3))
#if defined(BACKSLASH_IN_FILENAME)
|| (*p == ',' && (flags & P_COMMA) && (p - s) < 1)
#else
|| (*p == ',' && (flags & P_COMMA) && (p - s) < 2)
#endif
|| (*p == ':' && (flags & P_COLON)))
{
xp->xp_pattern = p + 1;
break;
}
}
}
}
// An option that is a list of single-character flags should always start
// at the end as we don't complete words.
if (flags & P_FLAGLIST)
xp->xp_pattern = arg + STRLEN(arg);
// Some options can either be using file/dir expansions, or custom value
// expansion depending on what the user typed. Unfortunately we have to
// manually handle it here to make sure we have the correct xp_context set.
#ifdef FEAT_SPELL
if (options[opt_idx].var == (char_u *)&p_sps)
{
if (STRNCMP(xp->xp_pattern, "file:", 5) == 0)
{
xp->xp_pattern += 5;
return;
}
else if (options[expand_option_idx].opt_expand_cb != NULL)
{
xp->xp_context = EXPAND_STRING_SETTING;
}
}
#endif
}
/*
* Returns TRUE if 'str' either matches 'regmatch' or fuzzy matches 'pat'.
*
* If 'test_only' is TRUE and 'fuzzy' is FALSE and if 'str' matches the regular
* expression 'regmatch', then returns TRUE. Otherwise returns FALSE.
*
* If 'test_only' is FALSE and 'fuzzy' is FALSE and if 'str' matches the
* regular expression 'regmatch', then stores the match in matches[idx] and
* returns TRUE.
*
* If 'test_only' is TRUE and 'fuzzy' is TRUE and if 'str' fuzzy matches
* 'fuzzystr', then returns TRUE. Otherwise returns FALSE.
*
* If 'test_only' is FALSE and 'fuzzy' is TRUE and if 'str' fuzzy matches
* 'fuzzystr', then stores the match details in fuzmatch[idx] and returns TRUE.
*/
static int
match_str(
char_u *str,
regmatch_T *regmatch,
char_u **matches,
int idx,
int test_only,
int fuzzy,
char_u *fuzzystr,
fuzmatch_str_T *fuzmatch)
{
if (!fuzzy)
{
if (vim_regexec(regmatch, str, (colnr_T)0))
{
if (!test_only)
matches[idx] = vim_strsave(str);
return TRUE;
}
}
else
{
int score;
score = fuzzy_match_str(str, fuzzystr);
if (score != 0)
{
if (!test_only)
{
fuzmatch[idx].idx = idx;
fuzmatch[idx].str = vim_strsave(str);
fuzmatch[idx].score = score;
}
return TRUE;
}
}
return FALSE;
}
int
ExpandSettings(
expand_T *xp,
regmatch_T *regmatch,
char_u *fuzzystr,
int *numMatches,
char_u ***matches,
int can_fuzzy)
{
int num_normal = 0; // Nr of matching non-term-code settings
int num_term = 0; // Nr of matching terminal code settings
int opt_idx;
int match;
int count = 0;
char_u *str;
int loop;
int is_term_opt;
char_u name_buf[MAX_KEY_NAME_LEN];
static char *(names[]) = {"all", "termcap"};
int ic = regmatch->rm_ic; // remember the ignore-case flag
int fuzzy;
fuzmatch_str_T *fuzmatch = NULL;
fuzzy = can_fuzzy && cmdline_fuzzy_complete(fuzzystr);
// do this loop twice:
// loop == 0: count the number of matching options
// loop == 1: copy the matching options into allocated memory
for (loop = 0; loop <= 1; ++loop)
{
regmatch->rm_ic = ic;
if (xp->xp_context != EXPAND_BOOL_SETTINGS)
{
for (match = 0; match < (int)ARRAY_LENGTH(names); ++match)
{
if (match_str((char_u *)names[match], regmatch, *matches,
count, (loop == 0), fuzzy, fuzzystr, fuzmatch))
{
if (loop == 0)
num_normal++;
else
count++;
}
}
}
for (opt_idx = 0; (str = (char_u *)options[opt_idx].fullname) != NULL;
opt_idx++)
{
if (options[opt_idx].var == NULL)
continue;
if (xp->xp_context == EXPAND_BOOL_SETTINGS
&& !(options[opt_idx].flags & P_BOOL))
continue;
is_term_opt = istermoption_idx(opt_idx);
if (is_term_opt && num_normal > 0)
continue;
if (match_str(str, regmatch, *matches, count, (loop == 0),
fuzzy, fuzzystr, fuzmatch))
{
if (loop == 0)
{
if (is_term_opt)
num_term++;
else
num_normal++;
}
else
count++;
}
else if (!fuzzy && options[opt_idx].shortname != NULL
&& vim_regexec(regmatch,
(char_u *)options[opt_idx].shortname, (colnr_T)0))
{
// Compare against the abbreviated option name (for regular
// expression match). Fuzzy matching (previous if) already
// matches against both the expanded and abbreviated names.
if (loop == 0)
{
if (is_term_opt)
num_term++;
else
num_normal++;
}
else
(*matches)[count++] = vim_strsave(str);
}
else if (is_term_opt)
{
name_buf[0] = '<';
name_buf[1] = 't';
name_buf[2] = '_';
name_buf[3] = str[2];
name_buf[4] = str[3];
name_buf[5] = '>';
name_buf[6] = NUL;
if (match_str(name_buf, regmatch, *matches, count, (loop == 0),
fuzzy, fuzzystr, fuzmatch))
{
if (loop == 0)
num_term++;
else
count++;
}
}
}
// Check terminal key codes, these are not in the option table
if (xp->xp_context != EXPAND_BOOL_SETTINGS && num_normal == 0)
{
for (opt_idx = 0; (str = get_termcode(opt_idx)) != NULL; opt_idx++)
{
if (!SAFE_isprint(str[0]) || !SAFE_isprint(str[1]))
continue;
name_buf[0] = 't';
name_buf[1] = '_';
name_buf[2] = str[0];
name_buf[3] = str[1];
name_buf[4] = NUL;
if (match_str(name_buf, regmatch, *matches, count,
(loop == 0), fuzzy, fuzzystr, fuzmatch))
{
if (loop == 0)
num_term++;
else
count++;
}
else
{
name_buf[0] = '<';
name_buf[1] = 't';
name_buf[2] = '_';
name_buf[3] = str[0];
name_buf[4] = str[1];
name_buf[5] = '>';
name_buf[6] = NUL;
if (match_str(name_buf, regmatch, *matches, count,
(loop == 0), fuzzy, fuzzystr,
fuzmatch))
{
if (loop == 0)
num_term++;
else
count++;
}
}
}
// Check special key names.
regmatch->rm_ic = TRUE; // ignore case here
for (opt_idx = 0; (str = get_key_name(opt_idx)) != NULL; opt_idx++)
{
name_buf[0] = '<';
STRCPY(name_buf + 1, str);
STRCAT(name_buf, ">");
if (match_str(name_buf, regmatch, *matches, count, (loop == 0),
fuzzy, fuzzystr, fuzmatch))
{
if (loop == 0)
num_term++;
else
count++;
}
}
}
if (loop == 0)
{
if (num_normal > 0)
*numMatches = num_normal;
else if (num_term > 0)
*numMatches = num_term;
else
return OK;
if (!fuzzy)
{
*matches = ALLOC_MULT(char_u *, *numMatches);
if (*matches == NULL)
{
*matches = (char_u **)"";
return FAIL;
}
}
else
{
fuzmatch = ALLOC_MULT(fuzmatch_str_T, *numMatches);
if (fuzmatch == NULL)
{
*matches = (char_u **)"";
return FAIL;
}
}
}
}
if (fuzzy &&
fuzzymatches_to_strmatches(fuzmatch, matches, count, FALSE) == FAIL)
return FAIL;
return OK;
}
// Escape an option value that can be used on the command-line with :set.
// Caller needs to free the returned string, unless NULL is returned.
static char_u*
escape_option_str_cmdline(char_u *var)
{
char_u *buf;
// A backslash is required before some characters. This is the reverse of
// what happens in do_set().
buf = vim_strsave_escaped(var, escape_chars);
if (buf == NULL)
return NULL;
#ifdef BACKSLASH_IN_FILENAME
// For MS-Windows et al. we don't double backslashes at the start and
// before a file name character.
// The reverse is found at stropt_copy_value().
for (var = buf; *var != NUL; MB_PTR_ADV(var))
if (var[0] == '\\' && var[1] == '\\'
&& expand_option_idx >= 0
&& (options[expand_option_idx].flags & P_EXPAND)
&& vim_isfilec(var[2])
&& (var[2] != '\\' || (var == buf && var[4] != '\\')))
STRMOVE(var, var + 1);
#endif
return buf;
}
/*
* Expansion handler for :set= when we just want to fill in with the existing value.
*/
int
ExpandOldSetting(int *numMatches, char_u ***matches)
{
char_u *var = NULL; // init for GCC
char_u *buf;
*numMatches = 0;
*matches = ALLOC_MULT(char_u *, 1);
if (*matches == NULL)
return FAIL;
// For a terminal key code expand_option_idx is < 0.
if (expand_option_idx < 0)
{
var = find_termcode(expand_option_name + 2);
if (var == NULL)
expand_option_idx = findoption(expand_option_name);
}
if (expand_option_idx >= 0)
{
// put string of option value in NameBuff
option_value2string(&options[expand_option_idx], expand_option_flags);
var = NameBuff;
}
else if (var == NULL)
var = (char_u *)"";
buf = escape_option_str_cmdline(var);
if (buf == NULL)
{
VIM_CLEAR(*matches);
return FAIL;
}
(*matches)[0] = buf;
*numMatches = 1;
return OK;
}
/*
* Expansion handler for :set=/:set+= when the option has a custom expansion handler.
*/
int
ExpandStringSetting(
expand_T *xp,
regmatch_T *regmatch,
int *numMatches,
char_u ***matches)
{
char_u *var = NULL; // init for GCC
char_u *buf;
if (expand_option_idx < 0 ||
options[expand_option_idx].opt_expand_cb == NULL)
{
// Not supposed to reach this. This function is only for options with
// custom expansion callbacks.
return FAIL;
}
optexpand_T args;
args.oe_varp = get_varp_scope(&options[expand_option_idx], expand_option_flags);
args.oe_append = expand_option_append;
args.oe_regmatch = regmatch;
args.oe_xp = xp;
args.oe_set_arg = xp->xp_line + expand_option_start_col;
args.oe_include_orig_val =
!expand_option_append &&
(*args.oe_set_arg == NUL);
// Retrieve the existing value, but escape it as a reverse of setting it.
// We technically only need to do this when oe_append or
// oe_include_orig_val is true.
option_value2string(&options[expand_option_idx], expand_option_flags);
var = NameBuff;
buf = escape_option_str_cmdline(var);
if (buf == NULL)
return FAIL;
args.oe_opt_value = buf;
int num_ret = options[expand_option_idx].opt_expand_cb(&args, numMatches, matches);
vim_free(buf);
return num_ret;
}
/*
* Expansion handler for :set-=
*/
int
ExpandSettingSubtract(
expand_T *xp,
regmatch_T *regmatch,
int *numMatches,
char_u ***matches)
{
if (expand_option_idx < 0)
// term option
return ExpandOldSetting(numMatches, matches);
char_u *option_val = *(char_u**)get_option_varp_scope(
expand_option_idx, expand_option_flags);
long_u option_flags = options[expand_option_idx].flags;
if (option_flags & P_NUM)
return ExpandOldSetting(numMatches, matches);
else if (option_flags & P_COMMA)
{
// Split the option by comma, then present each option to the user if
// it matches the pattern.
// This condition needs to go first, because 'whichwrap' has both
// P_COMMA and P_FLAGLIST.
garray_T ga;
char_u *item;
char_u *option_copy;
char_u *next_val;
char_u *comma;
if (*option_val == NUL)
return FAIL;
// Make a copy as we need to inject null characters destructively.
option_copy = vim_strsave(option_val);
if (option_copy == NULL)
return FAIL;
next_val = option_copy;
ga_init2(&ga, sizeof(char_u *), 10);
do
{
item = next_val;
comma = vim_strchr(next_val, ',');
while (comma != NULL && comma != next_val && *(comma - 1) == '\\')
{
// "\," is interpreted as a literal comma rather than option
// separator when reading options in copy_option_part(). Skip
// it.
comma = vim_strchr(comma + 1, ',');
}
if (comma != NULL)
{
*comma = NUL; // null-terminate this value, required by later functions
next_val = comma + 1;
}
else
next_val = NULL;
if (*item == NUL)
// empty value, don't add to list
continue;
if (!vim_regexec(regmatch, item, (colnr_T)0))
continue;
char_u *buf = escape_option_str_cmdline(item);
if (buf == NULL)
{
vim_free(option_copy);
ga_clear_strings(&ga);
return FAIL;
}
if (ga_add_string(&ga, buf) != OK)
{
vim_free(buf);
break;
}
} while (next_val != NULL);
vim_free(option_copy);
*matches = ga.ga_data;
*numMatches = ga.ga_len;
return OK;
}
else if (option_flags & P_FLAGLIST)
{
// Only present the flags that are set on the option as the other flags
// are not meaningful to do set-= on.
if (*xp->xp_pattern != NUL)
{
// Don't suggest anything if cmdline is non-empty. Vim's set-=
// behavior requires consecutive strings and it's usually
// unintuitive to users if they try to subtract multiple flags at
// once.
return FAIL;
}
size_t num_flags = STRLEN(option_val);
if (num_flags == 0)
return FAIL;
*matches = ALLOC_MULT(char_u *, num_flags + 1);
if (*matches == NULL)
return FAIL;
int count = 0;
char_u *p;
p = vim_strsave(option_val);
if (p == NULL)
{
VIM_CLEAR(*matches);
return FAIL;
}
(*matches)[count++] = p;
if (num_flags > 1)
{
// If more than one flags, split the flags up and expose each
// character as individual choice.
for (char_u *flag = option_val; *flag != NUL; flag++)
{
p = vim_strnsave(flag, 1);
if (p == NULL)
break;
(*matches)[count++] = p;
}
}
*numMatches = count;
return OK;
}
return ExpandOldSetting(numMatches, matches);
}
/*
* Get the value for the numeric or string option *opp in a nice format into
* NameBuff[]. Must not be called with a hidden option!
*/
static void
option_value2string(
struct vimoption *opp,
int scope) // OPT_GLOBAL and/or OPT_LOCAL
{
char_u *varp;
varp = get_varp_scope(opp, scope);
if (opp->flags & P_NUM)
{
long wc = 0;
if (wc_use_keyname(varp, &wc))
STRCPY(NameBuff, get_special_key_name((int)wc, 0));
else if (wc != 0)
STRCPY(NameBuff, transchar((int)wc));
else
sprintf((char *)NameBuff, "%ld", *(long *)varp);
}
else // P_STRING
{
varp = *(char_u **)(varp);
if (varp == NULL) // just in case
NameBuff[0] = NUL;
#ifdef FEAT_CRYPT
// don't show the actual value of 'key', only that it's set
else if (opp->var == (char_u *)&p_key && *varp)
STRCPY(NameBuff, "*****");
#endif
else if (opp->flags & P_EXPAND)
home_replace(NULL, varp, NameBuff, MAXPATHL, FALSE);
// Translate 'pastetoggle' into special key names
else if ((char_u **)opp->var == &p_pt)
str2specialbuf(p_pt, NameBuff, MAXPATHL);
else
vim_strncpy(NameBuff, varp, MAXPATHL - 1);
}
}
/*
* Return TRUE if "varp" points to 'wildchar' or 'wildcharm' and it can be
* printed as a keyname.
* "*wcp" is set to the value of the option if it's 'wildchar' or 'wildcharm'.
*/
static int
wc_use_keyname(char_u *varp, long *wcp)
{
if (((long *)varp == &p_wc) || ((long *)varp == &p_wcm))
{
*wcp = *(long *)varp;
if (IS_SPECIAL(*wcp) || find_special_key_in_table((int)*wcp) >= 0)
return TRUE;
}
return FALSE;
}
/*
* Return TRUE if "x" is present in 'shortmess' option, or
* 'shortmess' contains 'a' and "x" is present in SHM_A.
*/
int
shortmess(int x)
{
return p_shm != NULL &&
( vim_strchr(p_shm, x) != NULL
|| (vim_strchr(p_shm, 'a') != NULL
&& vim_strchr((char_u *)SHM_A, x) != NULL));
}
/*
* vimrc_found() - Called when a ".vimrc" or "VIMINIT" has been found.
*
* Reset 'compatible' and set the values for options that didn't get set yet
* to the Vim defaults.
* Don't do this if the 'compatible' option has been set or reset before.
* When "fname" is not NULL, use it to set $"envname" when it wasn't set yet.
*/
void
vimrc_found(char_u *fname, char_u *envname)
{
int opt_idx;
int dofree = FALSE;
char_u *p;
if (!option_was_set((char_u *)"cp"))
{
p_cp = FALSE;
for (opt_idx = 0; !istermoption_idx(opt_idx); opt_idx++)
if (!(options[opt_idx].flags & (P_WAS_SET|P_VI_DEF)))
set_option_default(opt_idx, OPT_FREE, FALSE);
didset_options();
didset_options2();
}
if (fname != NULL)
{
p = vim_getenv(envname, &dofree);
if (p == NULL)
{
// Set $MYVIMRC to the first vimrc file found.
p = FullName_save(fname, FALSE);
if (p != NULL)
{
vim_setenv(envname, p);
vim_free(p);
}
}
else if (dofree)
vim_free(p);
}
}
/*
* Set 'compatible' on or off. Called for "-C" and "-N" command line arg.
*/
void
change_compatible(int on)
{
int opt_idx;
if (p_cp != on)
{
p_cp = on;
compatible_set();
}
opt_idx = findoption((char_u *)"cp");
if (opt_idx >= 0)
options[opt_idx].flags |= P_WAS_SET;
}
/*
* Return TRUE when option "name" has been set.
* Only works correctly for global options.
*/
int
option_was_set(char_u *name)
{
int idx;
idx = findoption(name);
if (idx < 0) // unknown option
return FALSE;
if (options[idx].flags & P_WAS_SET)
return TRUE;
return FALSE;
}
/*
* Reset the flag indicating option "name" was set.
*/
int
reset_option_was_set(char_u *name)
{
int idx = findoption(name);
if (idx < 0)
return FAIL;
options[idx].flags &= ~P_WAS_SET;
return OK;
}
/*
* compatible_set() - Called when 'compatible' has been set or unset.
*
* When 'compatible' set: Set all relevant options (those that have the P_VIM)
* flag) to a Vi compatible value.
* When 'compatible' is unset: Set all options that have a different default
* for Vim (without the P_VI_DEF flag) to that default.
*/
static void
compatible_set(void)
{
int opt_idx;
for (opt_idx = 0; !istermoption_idx(opt_idx); opt_idx++)
if ( ((options[opt_idx].flags & P_VIM) && p_cp)
|| (!(options[opt_idx].flags & P_VI_DEF) && !p_cp))
set_option_default(opt_idx, OPT_FREE, p_cp);
didset_options();
didset_options2();
}
/*
* Check if backspacing over something is allowed.
*/
int
can_bs(
int what) // BS_INDENT, BS_EOL, BS_START or BS_NOSTOP
{
#ifdef FEAT_JOB_CHANNEL
if (what == BS_START && bt_prompt(curbuf))
return FALSE;
#endif
switch (*p_bs)
{
case '3': return TRUE;
case '2': return (what != BS_NOSTOP);
case '1': return (what != BS_START);
case '0': return FALSE;
}
return vim_strchr(p_bs, what) != NULL;
}
/*
* Return the effective 'scrolloff' value for the current window, using the
* global value when appropriate.
*/
long
get_scrolloff_value(void)
{
return curwin->w_p_so < 0 ? p_so : curwin->w_p_so;
}
/*
* Return the effective 'sidescrolloff' value for the current window, using the
* global value when appropriate.
*/
long
get_sidescrolloff_value(void)
{
return curwin->w_p_siso < 0 ? p_siso : curwin->w_p_siso;
}
/*
* Get the local or global value of 'backupcopy'.
*/
unsigned int
get_bkc_value(buf_T *buf)
{
return buf->b_bkc_flags ? buf->b_bkc_flags : bkc_flags;
}
#if defined(FEAT_LINEBREAK) || defined(PROTO)
/*
* Get the local or global value of 'formatlistpat'.
*/
char_u *
get_flp_value(buf_T *buf)
{
if (buf->b_p_flp == NULL || *buf->b_p_flp == NUL)
return p_flp;
return buf->b_p_flp;
}
#endif
/*
* Get the local or global value of the 'virtualedit' flags.
*/
unsigned int
get_ve_flags(void)
{
return (curwin->w_ve_flags ? curwin->w_ve_flags : ve_flags)
& ~(VE_NONE | VE_NONEU);
}
#if defined(FEAT_LINEBREAK) || defined(PROTO)
/*
* Get the local or global value of 'showbreak'.
*/
char_u *
get_showbreak_value(win_T *win)
{
if (win->w_p_sbr == NULL || *win->w_p_sbr == NUL)
return p_sbr;
if (STRCMP(win->w_p_sbr, "NONE") == 0)
return empty_option;
return win->w_p_sbr;
}
#endif
#if defined(FEAT_EVAL) || defined(PROTO)
/*
* Get window or buffer local options.
*/
dict_T *
get_winbuf_options(int bufopt)
{
dict_T *d;
int opt_idx;
d = dict_alloc();
if (d == NULL)
return NULL;
for (opt_idx = 0; !istermoption_idx(opt_idx); opt_idx++)
{
struct vimoption *opt = &options[opt_idx];
if ((bufopt && (opt->indir & PV_BUF))
|| (!bufopt && (opt->indir & PV_WIN)))
{
char_u *varp = get_varp(opt);
if (varp != NULL)
{
if (opt->flags & P_STRING)
dict_add_string(d, opt->fullname, *(char_u **)varp);
else if (opt->flags & P_NUM)
dict_add_number(d, opt->fullname, *(long *)varp);
else
dict_add_number(d, opt->fullname, *(int *)varp);
}
}
}
return d;
}
#endif
#if defined(FEAT_SYN_HL) || defined(PROTO)
/*
* This is called when 'culopt' is changed
*/
int
fill_culopt_flags(char_u *val, win_T *wp)
{
char_u *p;
char_u culopt_flags_new = 0;
if (val == NULL)
p = wp->w_p_culopt;
else
p = val;
while (*p != NUL)
{
// Note: Keep this in sync with p_culopt_values.
if (STRNCMP(p, "line", 4) == 0)
{
p += 4;
culopt_flags_new |= CULOPT_LINE;
}
else if (STRNCMP(p, "both", 4) == 0)
{
p += 4;
culopt_flags_new |= CULOPT_LINE | CULOPT_NBR;
}
else if (STRNCMP(p, "number", 6) == 0)
{
p += 6;
culopt_flags_new |= CULOPT_NBR;
}
else if (STRNCMP(p, "screenline", 10) == 0)
{
p += 10;
culopt_flags_new |= CULOPT_SCRLINE;
}
if (*p != ',' && *p != NUL)
return FAIL;
if (*p == ',')
++p;
}
// Can't have both "line" and "screenline".
if ((culopt_flags_new & CULOPT_LINE) && (culopt_flags_new & CULOPT_SCRLINE))
return FAIL;
wp->w_p_culopt_flags = culopt_flags_new;
return OK;
}
#endif
/*
* Get the value of 'magic' adjusted for Vim9 script.
*/
int
magic_isset(void)
{
switch (magic_overruled)
{
case OPTION_MAGIC_ON: return TRUE;
case OPTION_MAGIC_OFF: return FALSE;
case OPTION_MAGIC_NOT_SET: break;
}
#ifdef FEAT_EVAL
if (in_vim9script())
return TRUE;
#endif
return p_magic;
}
/*
* Set the callback function value for an option that accepts a function name,
* lambda, et al. (e.g. 'operatorfunc', 'tagfunc', etc.)
* Returns OK if the option is successfully set to a function, otherwise
* returns FAIL.
*/
int
option_set_callback_func(char_u *optval UNUSED, callback_T *optcb UNUSED)
{
#ifdef FEAT_EVAL
typval_T *tv;
callback_T cb;
if (optval == NULL || *optval == NUL)
{
free_callback(optcb);
return OK;
}
if (*optval == '{' || (in_vim9script() && *optval == '(')
|| (STRNCMP(optval, "function(", 9) == 0)
|| (STRNCMP(optval, "funcref(", 8) == 0))
// Lambda expression or a funcref
tv = eval_expr(optval, NULL);
else
// treat everything else as a function name string
tv = alloc_string_tv(vim_strsave(optval));
if (tv == NULL)
return FAIL;
cb = get_callback(tv);
if (cb.cb_name == NULL || *cb.cb_name == NUL)
{
free_tv(tv);
return FAIL;
}
free_callback(optcb);
set_callback(optcb, &cb);
if (cb.cb_free_name)
vim_free(cb.cb_name);
free_tv(tv);
// when using Vim9 style "import.funcname" it needs to be expanded to
// "import#funcname".
expand_autload_callback(optcb);
return OK;
#else
return FAIL;
#endif
}
#if defined(FEAT_EVAL) || defined(PROTO)
static void
didset_options_sctx(int opt_flags, char **buf)
{
for (int i = 0; ; ++i)
{
if (buf[i] == NULL)
break;
int idx = findoption((char_u *)buf[i]);
if (idx >= 0)
set_option_sctx_idx(idx, opt_flags, current_sctx);
}
}
#endif
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