diff options
author | Bram Moolenaar <Bram@vim.org> | 2019-09-16 21:06:21 +0200 |
---|---|---|
committer | Bram Moolenaar <Bram@vim.org> | 2019-09-16 21:06:21 +0200 |
commit | dac1347b4d9c1a1aef6aa73fdea08a9d1077d6ea (patch) | |
tree | 4c9124f2de51bedb339bc5cdb47a3086c0e92af9 /src/optionstr.c | |
parent | 8aeec40207b5adcd3a155277dc4f29189343b963 (diff) |
patch 8.1.2045: the option.c file is too bigv8.1.2045
Problem: The option.c file is too big.
Solution: Split off the code dealing with strings. (Yegappan Lakshmanan,
closes #4937)
Diffstat (limited to 'src/optionstr.c')
-rw-r--r-- | src/optionstr.c | 2491 |
1 files changed, 2491 insertions, 0 deletions
diff --git a/src/optionstr.c b/src/optionstr.c new file mode 100644 index 0000000000..44f0759a9e --- /dev/null +++ b/src/optionstr.c @@ -0,0 +1,2491 @@ +/* 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. + */ + +/* + * optionstr.c: Functions related to string options + */ + +#include "vim.h" + +static char *(p_ambw_values[]) = {"single", "double", NULL}; +static char *(p_bg_values[]) = {"light", "dark", NULL}; +static char *(p_bkc_values[]) = {"yes", "auto", "no", "breaksymlink", "breakhardlink", NULL}; +static char *(p_bo_values[]) = {"all", "backspace", "cursor", "complete", + "copy", "ctrlg", "error", "esc", "ex", + "hangul", "insertmode", "lang", "mess", + "showmatch", "operator", "register", "shell", + "spell", "wildmode", NULL}; +static char *(p_nf_values[]) = {"bin", "octal", "hex", "alpha", NULL}; +static char *(p_ff_values[]) = {FF_UNIX, FF_DOS, FF_MAC, NULL}; +#ifdef FEAT_CRYPT +static char *(p_cm_values[]) = {"zip", "blowfish", "blowfish2", NULL}; +#endif +static char *(p_cmp_values[]) = {"internal", "keepascii", NULL}; +static char *(p_dy_values[]) = {"lastline", "truncate", "uhex", NULL}; +#ifdef FEAT_FOLDING +static char *(p_fdo_values[]) = {"all", "block", "hor", "mark", "percent", + "quickfix", "search", "tag", "insert", + "undo", "jump", NULL}; +#endif +#ifdef FEAT_SESSION +// Also used for 'viewoptions'! +static char *(p_ssop_values[]) = {"buffers", "winpos", "resize", "winsize", + "localoptions", "options", "help", "blank", "globals", "slash", "unix", + "sesdir", "curdir", "folds", "cursor", "tabpages", "terminal", NULL}; +#endif +static char *(p_swb_values[]) = {"useopen", "usetab", "split", "newtab", "vsplit", NULL}; +static char *(p_tc_values[]) = {"followic", "ignore", "match", "followscs", "smart", NULL}; +#if defined(FEAT_TOOLBAR) && !defined(FEAT_GUI_MSWIN) +static char *(p_toolbar_values[]) = {"text", "icons", "tooltips", "horiz", NULL}; +#endif +#if defined(FEAT_TOOLBAR) && defined(FEAT_GUI_GTK) +static char *(p_tbis_values[]) = {"tiny", "small", "medium", "large", "huge", "giant", NULL}; +#endif +#if defined(FEAT_MOUSE) && (defined(UNIX) || defined(VMS)) +static char *(p_ttym_values[]) = {"xterm", "xterm2", "dec", "netterm", "jsbterm", "pterm", "urxvt", "sgr", NULL}; +#endif +static char *(p_ve_values[]) = {"block", "insert", "all", "onemore", NULL}; +static char *(p_wop_values[]) = {"tagfile", NULL}; +#ifdef FEAT_WAK +static char *(p_wak_values[]) = {"yes", "menu", "no", NULL}; +#endif +static char *(p_mousem_values[]) = {"extend", "popup", "popup_setpos", "mac", NULL}; +static char *(p_sel_values[]) = {"inclusive", "exclusive", "old", NULL}; +static char *(p_slm_values[]) = {"mouse", "key", "cmd", NULL}; +static char *(p_km_values[]) = {"startsel", "stopsel", NULL}; +#ifdef FEAT_BROWSE +static char *(p_bsdir_values[]) = {"current", "last", "buffer", NULL}; +#endif +static char *(p_scbopt_values[]) = {"ver", "hor", "jump", NULL}; +static char *(p_debug_values[]) = {"msg", "throw", "beep", NULL}; +static char *(p_ead_values[]) = {"both", "ver", "hor", NULL}; +static char *(p_buftype_values[]) = {"nofile", "nowrite", "quickfix", "help", "terminal", "acwrite", "prompt", "popup", NULL}; +static char *(p_bufhidden_values[]) = {"hide", "unload", "delete", "wipe", NULL}; +static char *(p_bs_values[]) = {"indent", "eol", "start", NULL}; +#ifdef FEAT_FOLDING +static char *(p_fdm_values[]) = {"manual", "expr", "marker", "indent", "syntax", +# ifdef FEAT_DIFF + "diff", +# endif + NULL}; +static char *(p_fcl_values[]) = {"all", NULL}; +#endif +static char *(p_cot_values[]) = {"menu", "menuone", "longest", "preview", "popup", "noinsert", "noselect", NULL}; +#ifdef BACKSLASH_IN_FILENAME +static char *(p_csl_values[]) = {"slash", "backslash", NULL}; +#endif +#ifdef FEAT_SIGNS +static char *(p_scl_values[]) = {"yes", "no", "auto", "number", NULL}; +#endif +#if defined(MSWIN) && defined(FEAT_TERMINAL) +static char *(p_twt_values[]) = {"winpty", "conpty", "", NULL}; +#endif + +static int check_opt_strings(char_u *val, char **values, int list); +static int opt_strings_flags(char_u *val, char **values, unsigned *flagp, int list); + +/* + * After setting various option values: recompute variables that depend on + * option values. + */ + void +didset_string_options(void) +{ + (void)opt_strings_flags(p_cmp, p_cmp_values, &cmp_flags, TRUE); + (void)opt_strings_flags(p_bkc, p_bkc_values, &bkc_flags, TRUE); + (void)opt_strings_flags(p_bo, p_bo_values, &bo_flags, TRUE); +#ifdef FEAT_SESSION + (void)opt_strings_flags(p_ssop, p_ssop_values, &ssop_flags, TRUE); + (void)opt_strings_flags(p_vop, p_ssop_values, &vop_flags, TRUE); +#endif +#ifdef FEAT_FOLDING + (void)opt_strings_flags(p_fdo, p_fdo_values, &fdo_flags, TRUE); +#endif + (void)opt_strings_flags(p_dy, p_dy_values, &dy_flags, TRUE); + (void)opt_strings_flags(p_tc, p_tc_values, &tc_flags, FALSE); + (void)opt_strings_flags(p_ve, p_ve_values, &ve_flags, TRUE); +#if defined(FEAT_MOUSE) && (defined(UNIX) || defined(VMS)) + (void)opt_strings_flags(p_ttym, p_ttym_values, &ttym_flags, FALSE); +#endif +#if defined(FEAT_TOOLBAR) && !defined(FEAT_GUI_MSWIN) + (void)opt_strings_flags(p_toolbar, p_toolbar_values, &toolbar_flags, TRUE); +#endif +#if defined(FEAT_TOOLBAR) && defined(FEAT_GUI_GTK) + (void)opt_strings_flags(p_tbis, p_tbis_values, &tbis_flags, FALSE); +#endif +} + +#if defined(FEAT_EVAL) +/* + * Trigger the OptionSet autocommand. + * "opt_idx" is the index of the option being set. + * "opt_flags" can be OPT_LOCAL etc. + * "oldval" the old value + * "oldval_l" the old local value (only non-NULL if global and local value + * are set) + * "oldval_g" the old global value (only non-NULL if global and local value + * are set) + * "newval" the new value + */ + void +trigger_optionsset_string( + int opt_idx, + int opt_flags, + char_u *oldval, + char_u *oldval_l, + char_u *oldval_g, + char_u *newval) +{ + // Don't do this recursively. + if (oldval != NULL && newval != NULL + && *get_vim_var_str(VV_OPTION_TYPE) == NUL) + { + char_u buf_type[7]; + + sprintf((char *)buf_type, "%s", + (opt_flags & OPT_LOCAL) ? "local" : "global"); + set_vim_var_string(VV_OPTION_OLD, oldval, -1); + set_vim_var_string(VV_OPTION_NEW, newval, -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, oldval, -1); + } + if (opt_flags & OPT_GLOBAL) + { + set_vim_var_string(VV_OPTION_COMMAND, (char_u *)"setglobal", -1); + set_vim_var_string(VV_OPTION_OLDGLOBAL, oldval, -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, oldval_l, -1); + set_vim_var_string(VV_OPTION_OLDGLOBAL, oldval_g, -1); + } + if (opt_flags & OPT_MODELINE) + { + set_vim_var_string(VV_OPTION_COMMAND, (char_u *)"modeline", -1); + set_vim_var_string(VV_OPTION_OLDLOCAL, oldval, -1); + } + apply_autocmds(EVENT_OPTIONSET, + (char_u *)get_option_fullname(opt_idx), NULL, FALSE, + NULL); + reset_v_option_vars(); + } +} +#endif + + static char * +illegal_char(char *errbuf, int c) +{ + if (errbuf == NULL) + return ""; + sprintf((char *)errbuf, _("E539: Illegal character <%s>"), + (char *)transchar(c)); + return errbuf; +} + +/* + * Check string options in a buffer for NULL value. + */ + void +check_buf_options(buf_T *buf) +{ + check_string_option(&buf->b_p_bh); + check_string_option(&buf->b_p_bt); + check_string_option(&buf->b_p_fenc); + check_string_option(&buf->b_p_ff); +#ifdef FEAT_FIND_ID + check_string_option(&buf->b_p_def); + check_string_option(&buf->b_p_inc); +# ifdef FEAT_EVAL + check_string_option(&buf->b_p_inex); +# endif +#endif +#if defined(FEAT_CINDENT) && defined(FEAT_EVAL) + check_string_option(&buf->b_p_inde); + check_string_option(&buf->b_p_indk); +#endif +#if defined(FEAT_BEVAL) && defined(FEAT_EVAL) + check_string_option(&buf->b_p_bexpr); +#endif +#if defined(FEAT_CRYPT) + check_string_option(&buf->b_p_cm); +#endif + check_string_option(&buf->b_p_fp); +#if defined(FEAT_EVAL) + check_string_option(&buf->b_p_fex); +#endif +#ifdef FEAT_CRYPT + check_string_option(&buf->b_p_key); +#endif + check_string_option(&buf->b_p_kp); + check_string_option(&buf->b_p_mps); + check_string_option(&buf->b_p_fo); + check_string_option(&buf->b_p_flp); + check_string_option(&buf->b_p_isk); +#ifdef FEAT_COMMENTS + check_string_option(&buf->b_p_com); +#endif +#ifdef FEAT_FOLDING + check_string_option(&buf->b_p_cms); +#endif + check_string_option(&buf->b_p_nf); +#ifdef FEAT_TEXTOBJ + check_string_option(&buf->b_p_qe); +#endif +#ifdef FEAT_SYN_HL + check_string_option(&buf->b_p_syn); + check_string_option(&buf->b_s.b_syn_isk); +#endif +#ifdef FEAT_SPELL + check_string_option(&buf->b_s.b_p_spc); + check_string_option(&buf->b_s.b_p_spf); + check_string_option(&buf->b_s.b_p_spl); +#endif +#ifdef FEAT_SEARCHPATH + check_string_option(&buf->b_p_sua); +#endif +#ifdef FEAT_CINDENT + check_string_option(&buf->b_p_cink); + check_string_option(&buf->b_p_cino); + parse_cino(buf); +#endif + check_string_option(&buf->b_p_ft); +#if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) + check_string_option(&buf->b_p_cinw); +#endif + check_string_option(&buf->b_p_cpt); +#ifdef FEAT_COMPL_FUNC + check_string_option(&buf->b_p_cfu); + check_string_option(&buf->b_p_ofu); +#endif +#ifdef FEAT_EVAL + check_string_option(&buf->b_p_tfu); +#endif +#ifdef FEAT_KEYMAP + check_string_option(&buf->b_p_keymap); +#endif +#ifdef FEAT_QUICKFIX + check_string_option(&buf->b_p_gp); + check_string_option(&buf->b_p_mp); + check_string_option(&buf->b_p_efm); +#endif + check_string_option(&buf->b_p_ep); + check_string_option(&buf->b_p_path); + check_string_option(&buf->b_p_tags); + check_string_option(&buf->b_p_tc); + check_string_option(&buf->b_p_dict); + check_string_option(&buf->b_p_tsr); +#ifdef FEAT_LISP + check_string_option(&buf->b_p_lw); +#endif + check_string_option(&buf->b_p_bkc); + check_string_option(&buf->b_p_menc); +#ifdef FEAT_VARTABS + check_string_option(&buf->b_p_vsts); + check_string_option(&buf->b_p_vts); +#endif +} + +/* + * Free the string allocated for an option. + * Checks for the string being empty_option. This may happen if we're out of + * memory, vim_strsave() returned NULL, which was replaced by empty_option by + * check_options(). + * Does NOT check for P_ALLOCED flag! + */ + void +free_string_option(char_u *p) +{ + if (p != empty_option) + vim_free(p); +} + + void +clear_string_option(char_u **pp) +{ + if (*pp != empty_option) + vim_free(*pp); + *pp = empty_option; +} + + void +check_string_option(char_u **pp) +{ + if (*pp == NULL) + *pp = empty_option; +} + +/* + * Set global value for string option when it's a local option. + */ + static void +set_string_option_global( + int opt_idx, // option index + char_u **varp) // pointer to option variable +{ + char_u **p, *s; + + // the global value is always allocated + if (is_window_local_option(opt_idx)) + p = (char_u **)GLOBAL_WO(varp); + else + p = (char_u **)get_option_var(opt_idx); + if (!is_global_option(opt_idx) + && p != varp + && (s = vim_strsave(*varp)) != NULL) + { + free_string_option(*p); + *p = s; + } +} + +/* + * Set a string option to a new value (without checking the effect). + * The string is copied into allocated memory. + * if ("opt_idx" == -1) "name" is used, otherwise "opt_idx" is used. + * When "set_sid" is zero set the scriptID to current_sctx.sc_sid. When + * "set_sid" is SID_NONE don't set the scriptID. Otherwise set the scriptID to + * "set_sid". + */ + void +set_string_option_direct( + char_u *name, + int opt_idx, + char_u *val, + int opt_flags, // OPT_FREE, OPT_LOCAL and/or OPT_GLOBAL + int set_sid UNUSED) +{ + char_u *s; + char_u **varp; + int both = (opt_flags & (OPT_LOCAL | OPT_GLOBAL)) == 0; + int idx = opt_idx; + + if (idx == -1) // use name + { + idx = findoption(name); + if (idx < 0) // not found (should not happen) + { + semsg(_(e_intern2), "set_string_option_direct()"); + siemsg(_("For option %s"), name); + return; + } + } + + if (is_hidden_option(idx)) // can't set hidden option + return; + + s = vim_strsave(val); + if (s != NULL) + { + varp = (char_u **)get_option_varp_scope(idx, + both ? OPT_LOCAL : opt_flags); + if ((opt_flags & OPT_FREE) && (get_option_flags(idx) & P_ALLOCED)) + free_string_option(*varp); + *varp = s; + + // For buffer/window local option may also set the global value. + if (both) + set_string_option_global(idx, varp); + + set_option_flag(idx, P_ALLOCED); + + // When setting both values of a global option with a local value, + // make the local value empty, so that the global value is used. + if (is_global_local_option(idx) && both) + { + free_string_option(*varp); + *varp = empty_option; + } +# ifdef FEAT_EVAL + if (set_sid != SID_NONE) + { + sctx_T script_ctx; + + if (set_sid == 0) + script_ctx = current_sctx; + else + { + script_ctx.sc_sid = set_sid; + script_ctx.sc_seq = 0; + script_ctx.sc_lnum = 0; + script_ctx.sc_version = 1; + } + set_option_sctx_idx(idx, opt_flags, script_ctx); + } +# endif + } +} + +/* + * Like set_string_option_direct(), but for a window-local option in "wp". + * Blocks autocommands to avoid the old curwin becoming invalid. + */ + void +set_string_option_direct_in_win( + win_T *wp, + char_u *name, + int opt_idx, + char_u *val, + int opt_flags, + int set_sid) +{ + win_T *save_curwin = curwin; + + block_autocmds(); + curwin = wp; + curbuf = curwin->w_buffer; + set_string_option_direct(name, opt_idx, val, opt_flags, set_sid); + curwin = save_curwin; + curbuf = curwin->w_buffer; + unblock_autocmds(); +} + +/* + * Like set_string_option_direct(), but for a buffer-local option in "buf". + * Blocks autocommands to avoid the old curbuf becoming invalid. + */ + void +set_string_option_direct_in_buf( + buf_T *buf, + char_u *name, + int opt_idx, + char_u *val, + int opt_flags, + int set_sid) +{ + buf_T *save_curbuf = curbuf; + + block_autocmds(); + curbuf = buf; + curwin->w_buffer = curbuf; + set_string_option_direct(name, opt_idx, val, opt_flags, set_sid); + curbuf = save_curbuf; + curwin->w_buffer = curbuf; + unblock_autocmds(); +} + +/* + * Set a string option to a new value, and handle the effects. + * + * Returns NULL on success or error message on error. + */ + char * +set_string_option( + int opt_idx, + char_u *value, + int opt_flags) // OPT_LOCAL and/or OPT_GLOBAL +{ + char_u *s; + char_u **varp; + char_u *oldval; +#if defined(FEAT_EVAL) + char_u *oldval_l = NULL; + char_u *oldval_g = NULL; + char_u *saved_oldval = NULL; + char_u *saved_oldval_l = NULL; + char_u *saved_oldval_g = NULL; + char_u *saved_newval = NULL; +#endif + char *r = NULL; + int value_checked = FALSE; + + if (is_hidden_option(opt_idx)) // don't set hidden option + return NULL; + + s = vim_strsave(value); + if (s != NULL) + { + varp = (char_u **)get_option_varp_scope(opt_idx, + (opt_flags & (OPT_LOCAL | OPT_GLOBAL)) == 0 + ? (is_global_local_option(opt_idx) + ? OPT_GLOBAL : OPT_LOCAL) + : opt_flags); + oldval = *varp; +#if defined(FEAT_EVAL) + if ((opt_flags & (OPT_LOCAL | OPT_GLOBAL)) == 0) + { + oldval_l = *(char_u **)get_option_varp_scope(opt_idx, OPT_LOCAL); + oldval_g = *(char_u **)get_option_varp_scope(opt_idx, OPT_GLOBAL); + } +#endif + *varp = s; + +#if defined(FEAT_EVAL) + if (!starting +# ifdef FEAT_CRYPT + && !is_crypt_key_option(opt_idx) +# endif + ) + { + if (oldval_l != NULL) + saved_oldval_l = vim_strsave(oldval_l); + if (oldval_g != NULL) + saved_oldval_g = vim_strsave(oldval_g); + saved_oldval = vim_strsave(oldval); + saved_newval = vim_strsave(s); + } +#endif + if ((r = did_set_string_option(opt_idx, varp, TRUE, oldval, NULL, + opt_flags, &value_checked)) == NULL) + did_set_option(opt_idx, opt_flags, TRUE, value_checked); + +#if defined(FEAT_EVAL) + // call autocommand after handling side effects + if (r == NULL) + trigger_optionsset_string(opt_idx, opt_flags, + saved_oldval, saved_oldval_l, + saved_oldval_g, saved_newval); + vim_free(saved_oldval); + vim_free(saved_oldval_l); + vim_free(saved_oldval_g); + vim_free(saved_newval); +#endif + } + return r; +} + +/* + * Return TRUE if "val" is a valid 'filetype' name. + * Also used for 'syntax' and 'keymap'. + */ + static int +valid_filetype(char_u *val) +{ + return valid_name(val, ".-_"); +} + +#ifdef FEAT_STL_OPT +/* + * Check validity of options with the 'statusline' format. + * Return error message or NULL. + */ + static char * +check_stl_option(char_u *s) +{ + int itemcnt = 0; + int groupdepth = 0; + static char errbuf[80]; + + while (*s && itemcnt < STL_MAX_ITEM) + { + // Check for valid keys after % sequences + while (*s && *s != '%') + s++; + if (!*s) + break; + s++; + if (*s != '%' && *s != ')') + ++itemcnt; + if (*s == '%' || *s == STL_TRUNCMARK || *s == STL_MIDDLEMARK) + { + s++; + continue; + } + if (*s == ')') + { + s++; + if (--groupdepth < 0) + break; + continue; + } + if (*s == '-') + s++; + while (VIM_ISDIGIT(*s)) + s++; + if (*s == STL_USER_HL) + continue; + if (*s == '.') + { + s++; + while (*s && VIM_ISDIGIT(*s)) + s++; + } + if (*s == '(') + { + groupdepth++; + continue; + } + if (vim_strchr(STL_ALL, *s) == NULL) + { + return illegal_char(errbuf, *s); + } + if (*s == '{') + { + s++; + while (*s != '}' && *s) + s++; + if (*s != '}') + return N_("E540: Unclosed expression sequence"); + } + } + if (itemcnt >= STL_MAX_ITEM) + return N_("E541: too many items"); + if (groupdepth != 0) + return N_("E542: unbalanced groups"); + return NULL; +} +#endif + +/* + * Handle string options that need some action to perform when changed. + * Returns NULL for success, or an error message for an error. + */ + char * +did_set_string_option( + int opt_idx, // index in options[] table + char_u **varp, // pointer to the option variable + int new_value_alloced, // new value was allocated + char_u *oldval, // previous value of the option + char *errbuf, // buffer for errors, or NULL + int opt_flags, // OPT_LOCAL and/or OPT_GLOBAL + int *value_checked) // value was checked to be save, no + // need to set P_INSECURE +{ + char *errmsg = NULL; + char_u *s, *p; + int did_chartab = FALSE; + char_u **gvarp; + long_u free_oldval = (get_option_flags(opt_idx) & P_ALLOCED); +#ifdef FEAT_GUI + // set when changing an option that only requires a redraw in the GUI + int redraw_gui_only = FALSE; +#endif + int value_changed = FALSE; +#if defined(FEAT_VTP) && defined(FEAT_TERMGUICOLORS) + int did_swaptcap = FALSE; +#endif + + // Get the global option to compare with, otherwise we would have to check + // two values for all local options. + gvarp = (char_u **)get_option_varp_scope(opt_idx, OPT_GLOBAL); + + // Disallow changing some options from secure mode + if ((secure +#ifdef HAVE_SANDBOX + || sandbox != 0 +#endif + ) && (get_option_flags(opt_idx) & P_SECURE)) + errmsg = e_secure; + + // Check for a "normal" directory or file name in some options. Disallow a + // path separator (slash and/or backslash), wildcards and characters that + // are often illegal in a file name. Be more permissive if "secure" is off. + else if (((get_option_flags(opt_idx) & P_NFNAME) + && vim_strpbrk(*varp, (char_u *)(secure + ? "/\\*?[|;&<>\r\n" : "/\\*?[<>\r\n")) != NULL) + || ((get_option_flags(opt_idx) & P_NDNAME) + && vim_strpbrk(*varp, (char_u *)"*?[|;&<>\r\n") != NULL)) + errmsg = e_invarg; + + // 'term' + else if (varp == &T_NAME) + { + if (T_NAME[0] == NUL) + errmsg = N_("E529: Cannot set 'term' to empty string"); +#ifdef FEAT_GUI + if (gui.in_use) + errmsg = N_("E530: Cannot change term in GUI"); + else if (term_is_gui(T_NAME)) + errmsg = N_("E531: Use \":gui\" to start the GUI"); +#endif + else if (set_termname(T_NAME) == FAIL) + errmsg = N_("E522: Not found in termcap"); + else + { + // Screen colors may have changed. + redraw_later_clear(); + + // Both 'term' and 'ttytype' point to T_NAME, only set the + // P_ALLOCED flag on 'term'. + opt_idx = findoption((char_u *)"term"); + free_oldval = (get_option_flags(opt_idx) & P_ALLOCED); + } + } + + // 'backupcopy' + else if (gvarp == &p_bkc) + { + char_u *bkc = p_bkc; + unsigned int *flags = &bkc_flags; + + if (opt_flags & OPT_LOCAL) + { + bkc = curbuf->b_p_bkc; + flags = &curbuf->b_bkc_flags; + } + + if ((opt_flags & OPT_LOCAL) && *bkc == NUL) + // make the local value empty: use the global value + *flags = 0; + else + { + if (opt_strings_flags(bkc, p_bkc_values, flags, TRUE) != OK) + errmsg = e_invarg; + if ((((int)*flags & BKC_AUTO) != 0) + + (((int)*flags & BKC_YES) != 0) + + (((int)*flags & BKC_NO) != 0) != 1) + { + // Must have exactly one of "auto", "yes" and "no". + (void)opt_strings_flags(oldval, p_bkc_values, flags, TRUE); + errmsg = e_invarg; + } + } + } + + // 'backupext' and 'patchmode' + else if (varp == &p_bex || varp == &p_pm) + { + if (STRCMP(*p_bex == '.' ? p_bex + 1 : p_bex, + *p_pm == '.' ? p_pm + 1 : p_pm) == 0) + errmsg = N_("E589: 'backupext' and 'patchmode' are equal"); + } +#ifdef FEAT_LINEBREAK + // 'breakindentopt' + else if (varp == &curwin->w_p_briopt) + { + if (briopt_check(curwin) == FAIL) + errmsg = e_invarg; + } +#endif + + // 'isident', 'iskeyword', 'isprint or 'isfname' option: refill g_chartab[] + // If the new option is invalid, use old value. 'lisp' option: refill + // g_chartab[] for '-' char + else if ( varp == &p_isi + || varp == &(curbuf->b_p_isk) + || varp == &p_isp + || varp == &p_isf) + { + if (init_chartab() == FAIL) + { + did_chartab = TRUE; // need to restore it below + errmsg = e_invarg; // error in value + } + } + + // 'helpfile' + else if (varp == &p_hf) + { + // May compute new values for $VIM and $VIMRUNTIME + if (didset_vim) + { + vim_setenv((char_u *)"VIM", (char_u *)""); + didset_vim = FALSE; + } + if (didset_vimruntime) + { + vim_setenv((char_u *)"VIMRUNTIME", (char_u *)""); + didset_vimruntime = FALSE; + } + } + +#ifdef FEAT_SYN_HL + // 'cursorlineopt' + else if (varp == &curwin->w_p_culopt + || gvarp == &curwin->w_allbuf_opt.wo_culopt) + { + if (**varp == NUL || fill_culopt_flags(*varp, curwin) != OK) + errmsg = e_invarg; + } + + // 'colorcolumn' + else if (varp == &curwin->w_p_cc) + errmsg = check_colorcolumn(curwin); +#endif + +#ifdef FEAT_MULTI_LANG + // 'helplang' + else if (varp == &p_hlg) + { + // Check for "", "ab", "ab,cd", etc. + for (s = p_hlg; *s != NUL; s += 3) + { + if (s[1] == NUL || ((s[2] != ',' || s[3] == NUL) && s[2] != NUL)) + { + errmsg = e_invarg; + break; + } + if (s[2] == NUL) + break; + } + } +#endif + + // 'highlight' + else if (varp == &p_hl) + { + if (highlight_changed() == FAIL) + errmsg = e_invarg; // invalid flags + } + + // 'nrformats' + else if (gvarp == &p_nf) + { + if (check_opt_strings(*varp, p_nf_values, TRUE) != OK) + errmsg = e_invarg; + } + +#ifdef FEAT_SESSION + // 'sessionoptions' + else if (varp == &p_ssop) + { + if (opt_strings_flags(p_ssop, p_ssop_values, &ssop_flags, TRUE) != OK) + errmsg = e_invarg; + if ((ssop_flags & SSOP_CURDIR) && (ssop_flags & SSOP_SESDIR)) + { + // Don't allow both "sesdir" and "curdir". + (void)opt_strings_flags(oldval, p_ssop_values, &ssop_flags, TRUE); + errmsg = e_invarg; + } + } + // 'viewoptions' + else if (varp == &p_vop) + { + if (opt_strings_flags(p_vop, p_ssop_values, &vop_flags, TRUE) != OK) + errmsg = e_invarg; + } +#endif + + // 'scrollopt' + else if (varp == &p_sbo) + { + if (check_opt_strings(p_sbo, p_scbopt_values, TRUE) != OK) + errmsg = e_invarg; + } + + // 'ambiwidth' + else if (varp == &p_ambw || varp == &p_emoji) + { + if (check_opt_strings(p_ambw, p_ambw_values, FALSE) != OK) + errmsg = e_invarg; + else if (set_chars_option(&p_lcs) != NULL) + errmsg = _("E834: Conflicts with value of 'listchars'"); + else if (set_chars_option(&p_fcs) != NULL) + errmsg = _("E835: Conflicts with value of 'fillchars'"); + } + + // 'background' + else if (varp == &p_bg) + { + if (check_opt_strings(p_bg, p_bg_values, FALSE) == OK) + { +#ifdef FEAT_EVAL + int dark = (*p_bg == 'd'); +#endif + + init_highlight(FALSE, FALSE); + +#ifdef FEAT_EVAL + if (dark != (*p_bg == 'd') + && get_var_value((char_u *)"g:colors_name") != NULL) + { + // The color scheme must have set 'background' back to another + // value, that's not what we want here. Disable the color + // scheme and set the colors again. + do_unlet((char_u *)"g:colors_name", TRUE); + free_string_option(p_bg); + p_bg = vim_strsave((char_u *)(dark ? "dark" : "light")); + check_string_option(&p_bg); + init_highlight(FALSE, FALSE); + } +#endif + } + else + errmsg = e_invarg; + } + + // 'wildmode' + else if (varp == &p_wim) + { + if (check_opt_wim() == FAIL) + errmsg = e_invarg; + } + + // 'wildoptions' + else if (varp == &p_wop) + { + if (check_opt_strings(p_wop, p_wop_values, TRUE) != OK) + errmsg = e_invarg; + } + +#ifdef FEAT_WAK + // 'winaltkeys' + else if (varp == &p_wak) + { + if (*p_wak == NUL + || check_opt_strings(p_wak, p_wak_values, FALSE) != OK) + errmsg = e_invarg; +# ifdef FEAT_MENU +# ifdef FEAT_GUI_MOTIF + else if (gui.in_use) + gui_motif_set_mnemonics(p_wak[0] == 'y' || p_wak[0] == 'm'); +# else +# ifdef FEAT_GUI_GTK + else if (gui.in_use) + gui_gtk_set_mnemonics(p_wak[0] == 'y' || p_wak[0] == 'm'); +# endif +# endif +# endif + } +#endif + + // 'eventignore' + else if (varp == &p_ei) + { + if (check_ei() == FAIL) + errmsg = e_invarg; + } + + // 'encoding', 'fileencoding', 'termencoding' and 'makeencoding' + else if (varp == &p_enc || gvarp == &p_fenc || varp == &p_tenc + || gvarp == &p_menc) + { + if (gvarp == &p_fenc) + { + if (!curbuf->b_p_ma && opt_flags != OPT_GLOBAL) + errmsg = e_modifiable; + else if (vim_strchr(*varp, ',') != NULL) + // No comma allowed in 'fileencoding'; catches confusing it + // with 'fileencodings'. + errmsg = e_invarg; + else + { +#ifdef FEAT_TITLE + // May show a "+" in the title now. + redraw_titles(); +#endif + // Add 'fileencoding' to the swap file. + ml_setflags(curbuf); + } + } + if (errmsg == NULL) + { + // canonize the value, so that STRCMP() can be used on it + p = enc_canonize(*varp); + if (p != NULL) + { + vim_free(*varp); + *varp = p; + } + if (varp == &p_enc) + { + errmsg = mb_init(); +#ifdef FEAT_TITLE + redraw_titles(); +#endif + } + } + +#if defined(FEAT_GUI_GTK) + if (errmsg == NULL && varp == &p_tenc && gui.in_use) + { + // GTK+ 2 uses only a single encoding, and that is UTF-8. + if (STRCMP(p_tenc, "utf-8") != 0) + errmsg = N_("E617: Cannot be changed in the GTK+ 2 GUI"); + } +#endif + + if (errmsg == NULL) + { +#ifdef FEAT_KEYMAP + // When 'keymap' is used and 'encoding' changes, reload the keymap + // (with another encoding). + if (varp == &p_enc && *curbuf->b_p_keymap != NUL) + (void)keymap_init(); +#endif + + // When 'termencoding' is not empty and 'encoding' changes or when + // 'termencoding' changes, need to setup for keyboard input and + // display output conversion. + if (((varp == &p_enc && *p_tenc != NUL) || varp == &p_tenc)) + { + if (convert_setup(&input_conv, p_tenc, p_enc) == FAIL + || convert_setup(&output_conv, p_enc, p_tenc) == FAIL) + { + semsg(_("E950: Cannot convert between %s and %s"), + p_tenc, p_enc); + errmsg = e_invarg; + } + } + +#if defined(MSWIN) + // $HOME may have characters in active code page. + if (varp == &p_enc) + init_homedir(); +#endif + } + } + +#if defined(FEAT_POSTSCRIPT) + else if (varp == &p_penc) + { + // Canonize printencoding if VIM standard one + p = enc_canonize(p_penc); + if (p != NULL) + { + vim_free(p_penc); + p_penc = p; + } + else + { + // Ensure lower case and '-' for '_' + for (s = p_penc; *s != NUL; s++) + { + if (*s == '_') + *s = '-'; + else + *s = TOLOWER_ASC(*s); + } + } + } +#endif + +#if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) + else if (varp == &p_imak) + { + if (!im_xim_isvalid_imactivate()) + errmsg = e_invarg; + } +#endif + +#ifdef FEAT_KEYMAP + else if (varp == &curbuf->b_p_keymap) + { + if (!valid_filetype(*varp)) + errmsg = e_invarg; + else + { + int secure_save = secure; + + // Reset the secure flag, since the value of 'keymap' has + // been checked to be safe. + secure = 0; + + // load or unload key mapping tables + errmsg = keymap_init(); + + secure = secure_save; + + // Since we check the value, there is no need to set P_INSECURE, + // even when the value comes from a modeline. + *value_checked = TRUE; + } + + if (errmsg == NULL) + { + if (*curbuf->b_p_keymap != NUL) + { + // Installed a new keymap, switch on using it. + curbuf->b_p_iminsert = B_IMODE_LMAP; + if (curbuf->b_p_imsearch != B_IMODE_USE_INSERT) + curbuf->b_p_imsearch = B_IMODE_LMAP; + } + else + { + // Cleared the keymap, may reset 'iminsert' and 'imsearch'. + if (curbuf->b_p_iminsert == B_IMODE_LMAP) + curbuf->b_p_iminsert = B_IMODE_NONE; + if (curbuf->b_p_imsearch == B_IMODE_LMAP) + curbuf->b_p_imsearch = B_IMODE_USE_INSERT; + } + if ((opt_flags & OPT_LOCAL) == 0) + { + set_iminsert_global(); + set_imsearch_global(); + } + status_redraw_curbuf(); + } + } +#endif + + // 'fileformat' + else if (gvarp == &p_ff) + { + if (!curbuf->b_p_ma && !(opt_flags & OPT_GLOBAL)) + errmsg = e_modifiable; + else if (check_opt_strings(*varp, p_ff_values, FALSE) != OK) + errmsg = e_invarg; + else + { + // may also change 'textmode' + if (get_fileformat(curbuf) == EOL_DOS) + curbuf->b_p_tx = TRUE; + else + curbuf->b_p_tx = FALSE; +#ifdef FEAT_TITLE + redraw_titles(); +#endif + // update flag in swap file + ml_setflags(curbuf); + // Redraw needed when switching to/from "mac": a CR in the text + // will be displayed differently. + if (get_fileformat(curbuf) == EOL_MAC || *oldval == 'm') + redraw_curbuf_later(NOT_VALID); + } + } + + // 'fileformats' + else if (varp == &p_ffs) + { + if (check_opt_strings(p_ffs, p_ff_values, TRUE) != OK) + errmsg = e_invarg; + else + { + // also change 'textauto' + if (*p_ffs == NUL) + p_ta = FALSE; + else + p_ta = TRUE; + } + } + +#if defined(FEAT_CRYPT) + // 'cryptkey' + else if (gvarp == &p_key) + { + // Make sure the ":set" command doesn't show the new value in the + // history. |