Mercurial > vim
diff src/getchar.c @ 17576:97a750e8707f v8.1.1785
patch 8.1.1785: map functionality mixed with character input
commit https://github.com/vim/vim/commit/b66bab381c8ba71fd6e92327d1d34c6f8a65f2a7
Author: Bram Moolenaar <Bram@vim.org>
Date: Thu Aug 1 14:28:24 2019 +0200
patch 8.1.1785: map functionality mixed with character input
Problem: Map functionality mixed with character input.
Solution: Move the map functionality to a separate file. (Yegappan
Lakshmanan, closes #4740) Graduate the +localmap feature.
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Thu, 01 Aug 2019 14:30:07 +0200 |
parents | e17cbc3e545d |
children | 8d20183f2a8c |
line wrap: on
line diff
--- a/src/getchar.c +++ b/src/getchar.c @@ -52,26 +52,6 @@ static int typeahead_char = 0; /* typea */ static int block_redo = FALSE; -/* - * Make a hash value for a mapping. - * "mode" is the lower 4 bits of the State for the mapping. - * "c1" is the first character of the "lhs". - * Returns a value between 0 and 255, index in maphash. - * Put Normal/Visual mode mappings mostly separately from Insert/Cmdline mode. - */ -#define MAP_HASH(mode, c1) (((mode) & (NORMAL + VISUAL + SELECTMODE + OP_PENDING + TERMINAL)) ? (c1) : ((c1) ^ 0x80)) - -/* - * Each mapping is put in one of the 256 hash lists, to speed up finding it. - */ -static mapblock_T *(maphash[256]); -static int maphash_valid = FALSE; - -/* - * List used for abbreviations. - */ -static mapblock_T *first_abbr = NULL; /* first entry in abbrlist */ - static int KeyNoremap = 0; /* remapping flags */ /* @@ -113,13 +93,7 @@ static void init_typebuf(void); static void may_sync_undo(void); static void closescript(void); static int vgetorpeek(int); -static void map_free(mapblock_T **); -static void validate_maphash(void); -static void showmap(mapblock_T *mp, int local); static int inchar(char_u *buf, int maxlen, long wait_time); -#ifdef FEAT_EVAL -static char_u *eval_map_expr(char_u *str, int c); -#endif /* * Free and clear a buffer. @@ -911,6 +885,15 @@ init_typebuf(void) } /* + * Returns TRUE when keys cannot be remapped. + */ + int +noremap_keys(void) +{ + return KeyNoremap & (RM_NONE|RM_SCRIPT); +} + +/* * Insert a string in position 'offset' in the typeahead buffer (for "@r" * and ":normal" command, vgetorpeek() and check_termcode()). * @@ -1962,9 +1945,7 @@ vgetorpeek(int advance) int keylen; char_u *s; mapblock_T *mp; -#ifdef FEAT_LOCALMAP mapblock_T *mp2; -#endif mapblock_T *mp_match; int mp_match_len = 0; int timedout = FALSE; /* waited for more than 1 second @@ -2112,7 +2093,7 @@ vgetorpeek(int advance) mp = NULL; max_mlen = 0; c1 = typebuf.tb_buf[typebuf.tb_off]; - if (no_mapping == 0 && maphash_valid + if (no_mapping == 0 && is_maphash_valid() && (no_zero_mapping == 0 || c1 != '0') && (typebuf.tb_maplen == 0 || (p_remap @@ -2141,19 +2122,15 @@ vgetorpeek(int advance) nolmaplen = 0; } #endif -#ifdef FEAT_LOCALMAP - /* First try buffer-local mappings. */ - mp = curbuf->b_maphash[MAP_HASH(local_State, c1)]; - mp2 = maphash[MAP_HASH(local_State, c1)]; + // First try buffer-local mappings. + mp = get_buf_maphash_list(local_State, c1); + mp2 = get_maphash_list(local_State, c1); if (mp == NULL) { - /* There are no buffer-local mappings. */ + // There are no buffer-local mappings. mp = mp2; mp2 = NULL; } -#else - mp = maphash[MAP_HASH(local_State, c1)]; -#endif /* * Loop until a partly matching mapping is found or * all (local) mappings have been checked. @@ -2164,10 +2141,8 @@ vgetorpeek(int advance) mp_match = NULL; mp_match_len = 0; for ( ; mp != NULL; -#ifdef FEAT_LOCALMAP - mp->m_next == NULL ? (mp = mp2, mp2 = NULL) : -#endif - (mp = mp->m_next)) + mp->m_next == NULL ? (mp = mp2, mp2 = NULL) + : (mp = mp->m_next)) { /* * Only consider an entry if the first character @@ -3194,2196 +3169,3 @@ input_available(void) ); } #endif - -/* - * map[!] : show all key mappings - * map[!] {lhs} : show key mapping for {lhs} - * map[!] {lhs} {rhs} : set key mapping for {lhs} to {rhs} - * noremap[!] {lhs} {rhs} : same, but no remapping for {rhs} - * unmap[!] {lhs} : remove key mapping for {lhs} - * abbr : show all abbreviations - * abbr {lhs} : show abbreviations for {lhs} - * abbr {lhs} {rhs} : set abbreviation for {lhs} to {rhs} - * noreabbr {lhs} {rhs} : same, but no remapping for {rhs} - * unabbr {lhs} : remove abbreviation for {lhs} - * - * maptype: 0 for :map, 1 for :unmap, 2 for noremap. - * - * arg is pointer to any arguments. Note: arg cannot be a read-only string, - * it will be modified. - * - * for :map mode is NORMAL + VISUAL + SELECTMODE + OP_PENDING - * for :map! mode is INSERT + CMDLINE - * for :cmap mode is CMDLINE - * for :imap mode is INSERT - * for :lmap mode is LANGMAP - * for :nmap mode is NORMAL - * for :vmap mode is VISUAL + SELECTMODE - * for :xmap mode is VISUAL - * for :smap mode is SELECTMODE - * for :omap mode is OP_PENDING - * for :tmap mode is TERMINAL - * - * for :abbr mode is INSERT + CMDLINE - * for :iabbr mode is INSERT - * for :cabbr mode is CMDLINE - * - * Return 0 for success - * 1 for invalid arguments - * 2 for no match - * 4 for out of mem - * 5 for entry not unique - */ - int -do_map( - int maptype, - char_u *arg, - int mode, - int abbrev) /* not a mapping but an abbreviation */ -{ - char_u *keys; - mapblock_T *mp, **mpp; - char_u *rhs; - char_u *p; - int n; - int len = 0; /* init for GCC */ - char_u *newstr; - int hasarg; - int haskey; - int did_it = FALSE; -#ifdef FEAT_LOCALMAP - int did_local = FALSE; -#endif - int round; - char_u *keys_buf = NULL; - char_u *arg_buf = NULL; - int retval = 0; - int do_backslash; - int hash; - int new_hash; - mapblock_T **abbr_table; - mapblock_T **map_table; - int unique = FALSE; - int nowait = FALSE; - int silent = FALSE; - int special = FALSE; -#ifdef FEAT_EVAL - int expr = FALSE; -#endif - int noremap; - char_u *orig_rhs; - - keys = arg; - map_table = maphash; - abbr_table = &first_abbr; - - /* For ":noremap" don't remap, otherwise do remap. */ - if (maptype == 2) - noremap = REMAP_NONE; - else - noremap = REMAP_YES; - - /* Accept <buffer>, <nowait>, <silent>, <expr> <script> and <unique> in - * any order. */ - for (;;) - { -#ifdef FEAT_LOCALMAP - /* - * Check for "<buffer>": mapping local to buffer. - */ - if (STRNCMP(keys, "<buffer>", 8) == 0) - { - keys = skipwhite(keys + 8); - map_table = curbuf->b_maphash; - abbr_table = &curbuf->b_first_abbr; - continue; - } -#endif - - /* - * Check for "<nowait>": don't wait for more characters. - */ - if (STRNCMP(keys, "<nowait>", 8) == 0) - { - keys = skipwhite(keys + 8); - nowait = TRUE; - continue; - } - - /* - * Check for "<silent>": don't echo commands. - */ - if (STRNCMP(keys, "<silent>", 8) == 0) - { - keys = skipwhite(keys + 8); - silent = TRUE; - continue; - } - - /* - * Check for "<special>": accept special keys in <> - */ - if (STRNCMP(keys, "<special>", 9) == 0) - { - keys = skipwhite(keys + 9); - special = TRUE; - continue; - } - -#ifdef FEAT_EVAL - /* - * Check for "<script>": remap script-local mappings only - */ - if (STRNCMP(keys, "<script>", 8) == 0) - { - keys = skipwhite(keys + 8); - noremap = REMAP_SCRIPT; - continue; - } - - /* - * Check for "<expr>": {rhs} is an expression. - */ - if (STRNCMP(keys, "<expr>", 6) == 0) - { - keys = skipwhite(keys + 6); - expr = TRUE; - continue; - } -#endif - /* - * Check for "<unique>": don't overwrite an existing mapping. - */ - if (STRNCMP(keys, "<unique>", 8) == 0) - { - keys = skipwhite(keys + 8); - unique = TRUE; - continue; - } - break; - } - - validate_maphash(); - - /* - * Find end of keys and skip CTRL-Vs (and backslashes) in it. - * Accept backslash like CTRL-V when 'cpoptions' does not contain 'B'. - * with :unmap white space is included in the keys, no argument possible. - */ - p = keys; - do_backslash = (vim_strchr(p_cpo, CPO_BSLASH) == NULL); - while (*p && (maptype == 1 || !VIM_ISWHITE(*p))) - { - if ((p[0] == Ctrl_V || (do_backslash && p[0] == '\\')) && - p[1] != NUL) - ++p; /* skip CTRL-V or backslash */ - ++p; - } - if (*p != NUL) - *p++ = NUL; - - p = skipwhite(p); - rhs = p; - hasarg = (*rhs != NUL); - haskey = (*keys != NUL); - - /* check for :unmap without argument */ - if (maptype == 1 && !haskey) - { - retval = 1; - goto theend; - } - - /* - * If mapping has been given as ^V<C_UP> say, then replace the term codes - * with the appropriate two bytes. If it is a shifted special key, unshift - * it too, giving another two bytes. - * replace_termcodes() may move the result to allocated memory, which - * needs to be freed later (*keys_buf and *arg_buf). - * replace_termcodes() also removes CTRL-Vs and sometimes backslashes. - */ - if (haskey) - keys = replace_termcodes(keys, &keys_buf, TRUE, TRUE, special); - orig_rhs = rhs; - if (hasarg) - { - if (STRICMP(rhs, "<nop>") == 0) /* "<Nop>" means nothing */ - rhs = (char_u *)""; - else - rhs = replace_termcodes(rhs, &arg_buf, FALSE, TRUE, special); - } - - /* - * check arguments and translate function keys - */ - if (haskey) - { - len = (int)STRLEN(keys); - if (len > MAXMAPLEN) /* maximum length of MAXMAPLEN chars */ - { - retval = 1; - goto theend; - } - - if (abbrev && maptype != 1) - { - /* - * If an abbreviation ends in a keyword character, the - * rest must be all keyword-char or all non-keyword-char. - * Otherwise we won't be able to find the start of it in a - * vi-compatible way. - */ - if (has_mbyte) - { - int first, last; - int same = -1; - - first = vim_iswordp(keys); - last = first; - p = keys + (*mb_ptr2len)(keys); - n = 1; - while (p < keys + len) - { - ++n; /* nr of (multi-byte) chars */ - last = vim_iswordp(p); /* type of last char */ - if (same == -1 && last != first) - same = n - 1; /* count of same char type */ - p += (*mb_ptr2len)(p); - } - if (last && n > 2 && same >= 0 && same < n - 1) - { - retval = 1; - goto theend; - } - } - else if (vim_iswordc(keys[len - 1])) // ends in keyword char - for (n = 0; n < len - 2; ++n) - if (vim_iswordc(keys[n]) != vim_iswordc(keys[len - 2])) - { - retval = 1; - goto theend; - } - /* An abbreviation cannot contain white space. */ - for (n = 0; n < len; ++n) - if (VIM_ISWHITE(keys[n])) - { - retval = 1; - goto theend; - } - } - } - - if (haskey && hasarg && abbrev) /* if we will add an abbreviation */ - no_abbr = FALSE; /* reset flag that indicates there are - no abbreviations */ - - if (!haskey || (maptype != 1 && !hasarg)) - msg_start(); - -#ifdef FEAT_LOCALMAP - /* - * Check if a new local mapping wasn't already defined globally. - */ - if (map_table == curbuf->b_maphash && haskey && hasarg && maptype != 1) - { - /* need to loop over all global hash lists */ - for (hash = 0; hash < 256 && !got_int; ++hash) - { - if (abbrev) - { - if (hash != 0) /* there is only one abbreviation list */ - break; - mp = first_abbr; - } - else - mp = maphash[hash]; - for ( ; mp != NULL && !got_int; mp = mp->m_next) - { - /* check entries with the same mode */ - if ((mp->m_mode & mode) != 0 - && mp->m_keylen == len - && unique - && STRNCMP(mp->m_keys, keys, (size_t)len) == 0) - { - if (abbrev) - semsg(_("E224: global abbreviation already exists for %s"), - mp->m_keys); - else - semsg(_("E225: global mapping already exists for %s"), - mp->m_keys); - retval = 5; - goto theend; - } - } - } - } - - /* - * When listing global mappings, also list buffer-local ones here. - */ - if (map_table != curbuf->b_maphash && !hasarg && maptype != 1) - { - /* need to loop over all global hash lists */ - for (hash = 0; hash < 256 && !got_int; ++hash) - { - if (abbrev) - { - if (hash != 0) /* there is only one abbreviation list */ - break; - mp = curbuf->b_first_abbr; - } - else - mp = curbuf->b_maphash[hash]; - for ( ; mp != NULL && !got_int; mp = mp->m_next) - { - /* check entries with the same mode */ - if ((mp->m_mode & mode) != 0) - { - if (!haskey) /* show all entries */ - { - showmap(mp, TRUE); - did_local = TRUE; - } - else - { - n = mp->m_keylen; - if (STRNCMP(mp->m_keys, keys, - (size_t)(n < len ? n : len)) == 0) - { - showmap(mp, TRUE); - did_local = TRUE; - } - } - } - } - } - } -#endif - - /* - * Find an entry in the maphash[] list that matches. - * For :unmap we may loop two times: once to try to unmap an entry with a - * matching 'from' part, a second time, if the first fails, to unmap an - * entry with a matching 'to' part. This was done to allow ":ab foo bar" - * to be unmapped by typing ":unab foo", where "foo" will be replaced by - * "bar" because of the abbreviation. - */ - for (round = 0; (round == 0 || maptype == 1) && round <= 1 - && !did_it && !got_int; ++round) - { - /* need to loop over all hash lists */ - for (hash = 0; hash < 256 && !got_int; ++hash) - { - if (abbrev) - { - if (hash > 0) /* there is only one abbreviation list */ - break; - mpp = abbr_table; - } - else - mpp = &(map_table[hash]); - for (mp = *mpp; mp != NULL && !got_int; mp = *mpp) - { - - if (!(mp->m_mode & mode)) /* skip entries with wrong mode */ - { - mpp = &(mp->m_next); - continue; - } - if (!haskey) /* show all entries */ - { - showmap(mp, map_table != maphash); - did_it = TRUE; - } - else /* do we have a match? */ - { - if (round) /* second round: Try unmap "rhs" string */ - { - n = (int)STRLEN(mp->m_str); - p = mp->m_str; - } - else - { - n = mp->m_keylen; - p = mp->m_keys; - } - if (STRNCMP(p, keys, (size_t)(n < len ? n : len)) == 0) - { - if (maptype == 1) /* delete entry */ - { - /* Only accept a full match. For abbreviations we - * ignore trailing space when matching with the - * "lhs", since an abbreviation can't have - * trailing space. */ - if (n != len && (!abbrev || round || n > len - || *skipwhite(keys + n) != NUL)) - { - mpp = &(mp->m_next); - continue; - } - /* - * We reset the indicated mode bits. If nothing is - * left the entry is deleted below. - */ - mp->m_mode &= ~mode; - did_it = TRUE; /* remember we did something */ - } - else if (!hasarg) /* show matching entry */ - { - showmap(mp, map_table != maphash); - did_it = TRUE; - } - else if (n != len) /* new entry is ambiguous */ - { - mpp = &(mp->m_next); - continue; - } - else if (unique) - { - if (abbrev) - semsg(_("E226: abbreviation already exists for %s"), - p); - else - semsg(_("E227: mapping already exists for %s"), p); - retval = 5; - goto theend; - } - else /* new rhs for existing entry */ - { - mp->m_mode &= ~mode; /* remove mode bits */ - if (mp->m_mode == 0 && !did_it) /* reuse entry */ - { - newstr = vim_strsave(rhs); - if (newstr == NULL) - { - retval = 4; /* no mem */ - goto theend; - } - vim_free(mp->m_str); - mp->m_str = newstr; - vim_free(mp->m_orig_str); - mp->m_orig_str = vim_strsave(orig_rhs); - mp->m_noremap = noremap; - mp->m_nowait = nowait; - mp->m_silent = silent; - mp->m_mode = mode; -#ifdef FEAT_EVAL - mp->m_expr = expr; - mp->m_script_ctx = current_sctx; - mp->m_script_ctx.sc_lnum += sourcing_lnum; -#endif - did_it = TRUE; - } - } - if (mp->m_mode == 0) /* entry can be deleted */ - { - map_free(mpp); - continue; /* continue with *mpp */ - } - - /* - * May need to put this entry into another hash list. - */ - new_hash = MAP_HASH(mp->m_mode, mp->m_keys[0]); - if (!abbrev && new_hash != hash) - { - *mpp = mp->m_next; - mp->m_next = map_table[new_hash]; - map_table[new_hash] = mp; - - continue; /* continue with *mpp */ - } - } - } - mpp = &(mp->m_next); - } - } - } - - if (maptype == 1) /* delete entry */ - { - if (!did_it) - retval = 2; /* no match */ - else if (*keys == Ctrl_C) - { - /* If CTRL-C has been unmapped, reuse it for Interrupting. */ -#ifdef FEAT_LOCALMAP - if (map_table == curbuf->b_maphash) - curbuf->b_mapped_ctrl_c &= ~mode; - else -#endif - mapped_ctrl_c &= ~mode; - } - goto theend; - } - - if (!haskey || !hasarg) /* print entries */ - { - if (!did_it -#ifdef FEAT_LOCALMAP - && !did_local -#endif - ) - { - if (abbrev) - msg(_("No abbreviation found")); - else - msg(_("No mapping found")); - } - goto theend; /* listing finished */ - } - - if (did_it) /* have added the new entry already */ - goto theend; - - /* - * Get here when adding a new entry to the maphash[] list or abbrlist. - */ - mp = ALLOC_ONE(mapblock_T); - if (mp == NULL) - { - retval = 4; /* no mem */ - goto theend; - } - - /* If CTRL-C has been mapped, don't always use it for Interrupting. */ - if (*keys == Ctrl_C) - { -#ifdef FEAT_LOCALMAP - if (map_table == curbuf->b_maphash) - curbuf->b_mapped_ctrl_c |= mode; - else -#endif - mapped_ctrl_c |= mode; - } - - mp->m_keys = vim_strsave(keys); - mp->m_str = vim_strsave(rhs); - mp->m_orig_str = vim_strsave(orig_rhs); - if (mp->m_keys == NULL || mp->m_str == NULL) - { - vim_free(mp->m_keys); - vim_free(mp->m_str); - vim_free(mp->m_orig_str); - vim_free(mp); - retval = 4; /* no mem */ - goto theend; - } - mp->m_keylen = (int)STRLEN(mp->m_keys); - mp->m_noremap = noremap; - mp->m_nowait = nowait; - mp->m_silent = silent; - mp->m_mode = mode; -#ifdef FEAT_EVAL - mp->m_expr = expr; - mp->m_script_ctx = current_sctx; - mp->m_script_ctx.sc_lnum += sourcing_lnum; -#endif - - /* add the new entry in front of the abbrlist or maphash[] list */ - if (abbrev) - { - mp->m_next = *abbr_table; - *abbr_table = mp; - } - else - { - n = MAP_HASH(mp->m_mode, mp->m_keys[0]); - mp->m_next = map_table[n]; - map_table[n] = mp; - } - -theend: - vim_free(keys_buf); - vim_free(arg_buf); - return retval; -} - -/* - * Delete one entry from the abbrlist or maphash[]. - * "mpp" is a pointer to the m_next field of the PREVIOUS entry! - */ - static void -map_free(mapblock_T **mpp) -{ - mapblock_T *mp; - - mp = *mpp; - vim_free(mp->m_keys); - vim_free(mp->m_str); - vim_free(mp->m_orig_str); - *mpp = mp->m_next; - vim_free(mp); -} - -/* - * Initialize maphash[] for first use. - */ - static void -validate_maphash(void) -{ - if (!maphash_valid) - { - vim_memset(maphash, 0, sizeof(maphash)); - maphash_valid = TRUE; - } -} - -/* - * Get the mapping mode from the command name. - */ - int -get_map_mode(char_u **cmdp, int forceit) -{ - char_u *p; - int modec; - int mode; - - p = *cmdp; - modec = *p++; - if (modec == 'i') - mode = INSERT; /* :imap */ - else if (modec == 'l') - mode = LANGMAP; /* :lmap */ - else if (modec == 'c') - mode = CMDLINE; /* :cmap */ - else if (modec == 'n' && *p != 'o') /* avoid :noremap */ - mode = NORMAL; /* :nmap */ - else if (modec == 'v') - mode = VISUAL + SELECTMODE; /* :vmap */ - else if (modec == 'x') - mode = VISUAL; /* :xmap */ - else if (modec == 's') - mode = SELECTMODE; /* :smap */ - else if (modec == 'o') - mode = OP_PENDING; /* :omap */ - else if (modec == 't') - mode = TERMINAL; /* :tmap */ - else - { - --p; - if (forceit) - mode = INSERT + CMDLINE; /* :map ! */ - else - mode = VISUAL + SELECTMODE + NORMAL + OP_PENDING;/* :map */ - } - - *cmdp = p; - return mode; -} - -/* - * Clear all mappings or abbreviations. - * 'abbr' should be FALSE for mappings, TRUE for abbreviations. - */ - void -map_clear( - char_u *cmdp, - char_u *arg UNUSED, - int forceit, - int abbr) -{ - int mode; -#ifdef FEAT_LOCALMAP - int local; - - local = (STRCMP(arg, "<buffer>") == 0); - if (!local && *arg != NUL) - { - emsg(_(e_invarg)); - return; - } -#endif - - mode = get_map_mode(&cmdp, forceit); - map_clear_int(curbuf, mode, -#ifdef FEAT_LOCALMAP - local, -#else - FALSE, -#endif - abbr); -} - -/* - * Clear all mappings in "mode". - */ - void -map_clear_int( - buf_T *buf UNUSED, /* buffer for local mappings */ - int mode, /* mode in which to delete */ - int local UNUSED, /* TRUE for buffer-local mappings */ - int abbr) /* TRUE for abbreviations */ -{ - mapblock_T *mp, **mpp; - int hash; - int new_hash; - - validate_maphash(); - - for (hash = 0; hash < 256; ++hash) - { - if (abbr) - { - if (hash > 0) /* there is only one abbrlist */ - break; -#ifdef FEAT_LOCALMAP - if (local) - mpp = &buf->b_first_abbr; - else -#endif - mpp = &first_abbr; - } - else - { -#ifdef FEAT_LOCALMAP - if (local) - mpp = &buf->b_maphash[hash]; - else -#endif - mpp = &maphash[hash]; - } - while (*mpp != NULL) - { - mp = *mpp; - if (mp->m_mode & mode) - { - mp->m_mode &= ~mode; - if (mp->m_mode == 0) /* entry can be deleted */ - { - map_free(mpp); - continue; - } - /* - * May need to put this entry into another hash list. - */ - new_hash = MAP_HASH(mp->m_mode, mp->m_keys[0]); - if (!abbr && new_hash != hash) - { - *mpp = mp->m_next; -#ifdef FEAT_LOCALMAP - if (local) - { - mp->m_next = buf->b_maphash[new_hash]; - buf->b_maphash[new_hash] = mp; - } - else -#endif - { - mp->m_next = maphash[new_hash]; - maphash[new_hash] = mp; - } - continue; /* continue with *mpp */ - } - } - mpp = &(mp->m_next); - } - } -} - -/* - * Return characters to represent the map mode in an allocated string. - * Returns NULL when out of memory. - */ - char_u * -map_mode_to_chars(int mode) -{ - garray_T mapmode; - - ga_init2(&mapmode, 1, 7); - - if ((mode & (INSERT + CMDLINE)) == INSERT + CMDLINE) - ga_append(&mapmode, '!'); /* :map! */ - else if (mode & INSERT) - ga_append(&mapmode, 'i'); /* :imap */ - else if (mode & LANGMAP) - ga_append(&mapmode, 'l'); /* :lmap */ - else if (mode & CMDLINE) - ga_append(&mapmode, 'c'); /* :cmap */ - else if ((mode & (NORMAL + VISUAL + SELECTMODE + OP_PENDING)) - == NORMAL + VISUAL + SELECTMODE + OP_PENDING) - ga_append(&mapmode, ' '); /* :map */ - else - { - if (mode & NORMAL) - ga_append(&mapmode, 'n'); /* :nmap */ - if (mode & OP_PENDING) - ga_append(&mapmode, 'o'); /* :omap */ - if (mode & TERMINAL) - ga_append(&mapmode, 't'); /* :tmap */ - if ((mode & (VISUAL + SELECTMODE)) == VISUAL + SELECTMODE) - ga_append(&mapmode, 'v'); /* :vmap */ - else - { - if (mode & VISUAL) - ga_append(&mapmode, 'x'); /* :xmap */ - if (mode & SELECTMODE) - ga_append(&mapmode, 's'); /* :smap */ - } - } - - ga_append(&mapmode, NUL); - return (char_u *)mapmode.ga_data; -} - - static void -showmap( - mapblock_T *mp, - int local) /* TRUE for buffer-local map */ -{ - int len = 1; - char_u *mapchars; - - if (message_filtered(mp->m_keys) && message_filtered(mp->m_str)) - return; - - if (msg_didout || msg_silent != 0) - { - msg_putchar('\n'); - if (got_int) /* 'q' typed at MORE prompt */ - return; - } - - mapchars = map_mode_to_chars(mp->m_mode); - if (mapchars != NULL) - { - msg_puts((char *)mapchars); - len = (int)STRLEN(mapchars); - vim_free(mapchars); - } - - while (++len <= 3) - msg_putchar(' '); - - /* Display the LHS. Get length of what we write. */ - len = msg_outtrans_special(mp->m_keys, TRUE, 0); - do - { - msg_putchar(' '); /* padd with blanks */ - ++len; - } while (len < 12); - - if (mp->m_noremap == REMAP_NONE) - msg_puts_attr("*", HL_ATTR(HLF_8)); - else if (mp->m_noremap == REMAP_SCRIPT) - msg_puts_attr("&", HL_ATTR(HLF_8)); - else - msg_putchar(' '); - - if (local) - msg_putchar('@'); - else - msg_putchar(' '); - - /* Use FALSE below if we only want things like <Up> to show up as such on - * the rhs, and not M-x etc, TRUE gets both -- webb */ - if (*mp->m_str == NUL) - msg_puts_attr("<Nop>", HL_ATTR(HLF_8)); - else - { - /* Remove escaping of CSI, because "m_str" is in a format to be used - * as typeahead. */ - char_u *s = vim_strsave(mp->m_str); - if (s != NULL) - { - vim_unescape_csi(s); - msg_outtrans_special(s, FALSE, 0); - vim_free(s); - } - } -#ifdef FEAT_EVAL - if (p_verbose > 0) - last_set_msg(mp->m_script_ctx); -#endif - out_flush(); /* show one line at a time */ -} - -#if defined(FEAT_EVAL) || defined(PROTO) -/* - * Return TRUE if a map exists that has "str" in the rhs for mode "modechars". - * Recognize termcap codes in "str". - * Also checks mappings local to the current buffer. - */ - int -map_to_exists(char_u *str, char_u *modechars, int abbr) -{ - int mode = 0; - char_u *rhs; - char_u *buf; - int retval; - - rhs = replace_termcodes(str, &buf, FALSE, TRUE, FALSE); - - if (vim_strchr(modechars, 'n') != NULL) - mode |= NORMAL; - if (vim_strchr(modechars, 'v') != NULL) - mode |= VISUAL + SELECTMODE; - if (vim_strchr(modechars, 'x') != NULL) - mode |= VISUAL; - if (vim_strchr(modechars, 's') != NULL) - mode |= SELECTMODE; - if (vim_strchr(modechars, 'o') != NULL) - mode |= OP_PENDING; - if (vim_strchr(modechars, 'i') != NULL) - mode |= INSERT; - if (vim_strchr(modechars, 'l') != NULL) - mode |= LANGMAP; - if (vim_strchr(modechars, 'c') != NULL) - mode |= CMDLINE; - - retval = map_to_exists_mode(rhs, mode, abbr); - vim_free(buf); - - return retval; -} -#endif - -/* - * Return TRUE if a map exists that has "str" in the rhs for mode "mode". - * Also checks mappings local to the current buffer. - */ - int -map_to_exists_mode(char_u *rhs, int mode, int abbr) -{ - mapblock_T *mp; - int hash; -# ifdef FEAT_LOCALMAP - int exp_buffer = FALSE; - - validate_maphash(); - - /* Do it twice: once for global maps and once for local maps. */ - for (;;) - { -# endif - for (hash = 0; hash < 256; ++hash) - { - if (abbr) - { - if (hash > 0) /* there is only one abbr list */ - break; -#ifdef FEAT_LOCALMAP - if (exp_buffer) - mp = curbuf->b_first_abbr; - else -#endif - mp = first_abbr; - } -# ifdef FEAT_LOCALMAP - else if (exp_buffer) - mp = curbuf->b_maphash[hash]; -# endif - else - mp = maphash[hash]; - for (; mp; mp = mp->m_next) - { - if ((mp->m_mode & mode) - && strstr((char *)mp->m_str, (char *)rhs) != NULL) - return TRUE; - } - } -# ifdef FEAT_LOCALMAP - if (exp_buffer) - break; - exp_buffer = TRUE; - } -# endif - - return FALSE; -} - -#if defined(FEAT_CMDL_COMPL) || defined(PROTO) -/* - * Used below when expanding mapping/abbreviation names. - */ -static int expand_mapmodes = 0; -static int expand_isabbrev = 0; -#ifdef FEAT_LOCALMAP -static int expand_buffer = FALSE; -#endif - -/* - * Work out what to complete when doing command line completion of mapping - * or abbreviation names. - */ - char_u * -set_context_in_map_cmd( - expand_T *xp, - char_u *cmd, - char_u *arg, - int forceit, /* TRUE if '!' given */ - int isabbrev, /* TRUE if abbreviation */ - int isunmap, /* TRUE if unmap/unabbrev command */ - cmdidx_T cmdidx) -{ - if (forceit && cmdidx != CMD_map && cmdidx != CMD_unmap) - xp->xp_context = EXPAND_NOTHING; - else - { - if (isunmap) - expand_mapmodes = get_map_mode(&cmd, forceit || isabbrev); - else - { - expand_mapmodes = INSERT + CMDLINE; - if (!isabbrev) - expand_mapmodes += VISUAL + SELECTMODE + NORMAL + OP_PENDING; - } - expand_isabbrev = isabbrev; - xp->xp_context = EXPAND_MAPPINGS; -#ifdef FEAT_LOCALMAP - expand_buffer = FALSE; -#endif - for (;;) - { -#ifdef FEAT_LOCALMAP - if (STRNCMP(arg, "<buffer>", 8) == 0) - { - expand_buffer = TRUE; - arg = skipwhite(arg + 8); - continue; - } -#endif - if (STRNCMP(arg, "<unique>", 8) == 0) - { - arg = skipwhite(arg + 8); - continue; - } - if (STRNCMP(arg, "<nowait>", 8) == 0) - { - arg = skipwhite(arg + 8); - continue; - } - if (STRNCMP(arg, "<silent>", 8) == 0) - { - arg = skipwhite(arg + 8); - continue; - } - if (STRNCMP(arg, "<special>", 9) == 0) - { - arg = skipwhite(arg + 9); - continue; - } -#ifdef FEAT_EVAL - if (STRNCMP(arg, "<script>", 8) == 0) - { - arg = skipwhite(arg + 8); - continue; - } - if (STRNCMP(arg, "<expr>", 6) == 0) - { - arg = skipwhite(arg + 6); - continue; - } -#endif - break; - } - xp->xp_pattern = arg; - } - - return NULL; -} - -/* - * Find all mapping/abbreviation names that match regexp "regmatch"'. - * For command line expansion of ":[un]map" and ":[un]abbrev" in all modes. - * Return OK if matches found, FAIL otherwise. - */ - int -ExpandMappings( - regmatch_T *regmatch, - int *num_file, - char_u ***file) -{ - mapblock_T *mp; - int hash; - int count; - int round; - char_u *p; - int i; - - validate_maphash(); - - *num_file = 0; /* return values in case of FAIL */ - *file = NULL; - - /* - * round == 1: Count the matches. - * round == 2: Build the array to keep the matches. - */ - for (round = 1; round <= 2; ++round) - { - count = 0; - - for (i = 0; i < 7; ++i) - { - if (i == 0) - p = (char_u *)"<silent>"; - else if (i == 1) - p = (char_u *)"<unique>"; -#ifdef FEAT_EVAL - else if (i == 2) - p = (char_u *)"<script>"; - else if (i == 3) - p = (char_u *)"<expr>"; -#endif -#ifdef FEAT_LOCALMAP - else if (i == 4 && !expand_buffer) - p = (char_u *)"<buffer>"; -#endif - else if (i == 5) - p = (char_u *)"<nowait>"; - else if (i == 6) - p = (char_u *)"<special>"; - else - continue; - - if (vim_regexec(regmatch, p, (colnr_T)0)) - { - if (round == 1) - ++count; - else - (*file)[count++] = vim_strsave(p); - } - } - - for (hash = 0; hash < 256; ++hash) - { - if (expand_isabbrev) - { - if (hash > 0) /* only one abbrev list */ - break; /* for (hash) */ - mp = first_abbr; - } -#ifdef FEAT_LOCALMAP - else if (expand_buffer) - mp = curbuf->b_maphash[hash]; -#endif - else - mp = maphash[hash]; - for (; mp; mp = mp->m_next) - { - if (mp->m_mode & expand_mapmodes) - { - p = translate_mapping(mp->m_keys); - if (p != NULL && vim_regexec(regmatch, p, (colnr_T)0)) - { - if (round == 1) - ++count; - else - { - (*file)[count++] = p; - p = NULL; - } - } - vim_free(p); - } - } /* for (mp) */ - } /* for (hash) */ - - if (count == 0) /* no match found */ - break; /* for (round) */ - - if (round == 1) - { - *file = ALLOC_MULT(char_u *, count); - if (*file == NULL) - return FAIL; - } - } /* for (round) */ - - if (count > 1) - { - char_u **ptr1; - char_u **ptr2; - char_u **ptr3; - - /* Sort the matches */ - sort_strings(*file, count); - - /* Remove multiple entries */ - ptr1 = *file; - ptr2 = ptr1 + 1; - ptr3 = ptr1 + count; - - while (ptr2 < ptr3) - { - if (STRCMP(*ptr1, *ptr2)) - *++ptr1 = *ptr2++; - else - { - vim_free(*ptr2++); - count--; - } - } - } - - *num_file = count; - return (count == 0 ? FAIL : OK); -} -#endif /* FEAT_CMDL_COMPL */ - -/* - * Check for an abbreviation. - * Cursor is at ptr[col]. - * When inserting, mincol is where insert started. - * For the command line, mincol is what is to be skipped over. - * "c" is the character typed before check_abbr was called. It may have - * ABBR_OFF added to avoid prepending a CTRL-V to it. - * - * Historic vi practice: The last character of an abbreviation must be an id - * character ([a-zA-Z0-9_]). The characters in front of it must be all id - * characters or all non-id characters. This allows for abbr. "#i" to - * "#include". - * - * Vim addition: Allow for abbreviations that end in a non-keyword character. - * Then there must be white space before the abbr. - * - * return TRUE if there is an abbreviation, FALSE if not - */ - int -check_abbr( - int c, - char_u *ptr, - int col, - int mincol) -{ - int len; - int scol; /* starting column of the abbr. */ - int j; - char_u *s; - char_u tb[MB_MAXBYTES + 4]; - mapblock_T *mp; -#ifdef FEAT_LOCALMAP - mapblock_T *mp2; -#endif - int clen = 0; /* length in characters */ - int is_id = TRUE; - int vim_abbr; - - if (typebuf.tb_no_abbr_cnt) /* abbrev. are not recursive */ - return FALSE; - - /* no remapping implies no abbreviation, except for CTRL-] */ - if ((KeyNoremap & (RM_NONE|RM_SCRIPT)) != 0 && c != Ctrl_RSB) - return FALSE; - - /* - * Check for word before the cursor: If it ends in a keyword char all - * chars before it must be keyword chars or non-keyword chars, but not - * white space. If it ends in a non-keyword char we accept any characters - * before it except white space. - */ - if (col == 0) /* cannot be an abbr. */ - return FALSE; - - if (has_mbyte) - { - char_u *p; - - p = mb_prevptr(ptr, ptr + col); - if (!vim_iswordp(p)) - vim_abbr = TRUE; /* Vim added abbr. */ - else - { - vim_abbr = FALSE; /* vi compatible abbr. */ - if (p > ptr) - is_id = vim_iswordp(mb_prevptr(ptr, p)); - } - clen = 1; - while (p > ptr + mincol) - { - p = mb_prevptr(ptr, p); - if (vim_isspace(*p) || (!vim_abbr && is_id != vim_iswordp(p))) - { - p += (*mb_ptr2len)(p); - break; - } - ++clen; - } - scol = (int)(p - ptr); - } - else - { - if (!vim_iswordc(ptr[col - 1])) - vim_abbr = TRUE; /* Vim added abbr. */ - else - { - vim_abbr = FALSE; /* vi compatible abbr. */ - if (col > 1) - is_id = vim_iswordc(ptr[col - 2]); - } - for (scol = col - 1; scol > 0 && !vim_isspace(ptr[scol - 1]) - && (vim_abbr || is_id == vim_iswordc(ptr[scol - 1])); --scol) - ; - } - - if (scol < mincol) - scol = mincol; - if (scol < col) /* there is a word in front of the cursor */ - { - ptr += scol; - len = col - scol; -#ifdef FEAT_LOCALMAP - mp = curbuf->b_first_abbr; - mp2 = first_abbr; - if (mp == NULL) - { - mp = mp2; - mp2 = NULL; - } -#else - mp = first_abbr; -#endif - for ( ; mp; -#ifdef FEAT_LOCALMAP - mp->m_next == NULL ? (mp = mp2, mp2 = NULL) : -#endif - (mp = mp->m_next)) - { - int qlen = mp->m_keylen; - char_u *q = mp->m_keys; - int match; - - if (vim_strbyte(mp->m_keys, K_SPECIAL) != NULL) - { - char_u *qe = vim_strsave(mp->m_keys); - - /* might have CSI escaped mp->m_keys */ - if (qe != NULL) - { - q = qe; - vim_unescape_csi(q); - qlen = (int)STRLEN(q); - } - } - - /* find entries with right mode and keys */ - match = (mp->m_mode & State) - && qlen == len - && !STRNCMP(q, ptr, (size_t)len); - if (q != mp->m_keys) - vim_free(q); - if (match) - break; - } - if (mp != NULL) - { - /* - * Found a match: - * Insert the rest of the abbreviation in typebuf.tb_buf[]. - * This goes from end to start. - * - * Characters 0x000 - 0x100: normal chars, may need CTRL-V, - * except K_SPECIAL: Becomes K_SPECIAL KS_SPECIAL KE_FILLER - * Characters where IS_SPECIAL() == TRUE: key codes, need - * K_SPECIAL. Other characters (with ABBR_OFF): don't use CTRL-V. - * - * Character CTRL-] is treated specially - it completes the - * abbreviation, but is not inserted into the input stream. - */ - j = 0; - if (c != Ctrl_RSB) - { - /* special key code, split up */ - if (IS_SPECIAL(c) || c == K_SPECIAL) - { - tb[j++] = K_SPECIAL; - tb[j++] = K_SECOND(c); - tb[j++] = K_THIRD(c); - } - else - { - if (c < ABBR_OFF && (c < ' ' || c > '~')) - tb[j++] = Ctrl_V; /* special char needs CTRL-V */ - if (has_mbyte) - { - /* if ABBR_OFF has been added, remove it here */ - if (c >= ABBR_OFF) - c -= ABBR_OFF; - j += (*mb_char2bytes)(c, tb + j); - } - else - tb[j++] = c; - } - tb[j] = NUL; - /* insert the last typed char */ - (void)ins_typebuf(tb, 1, 0, TRUE, mp->m_silent); - } -#ifdef FEAT_EVAL - if (mp->m_expr) - s = eval_map_expr(mp->m_str, c); - else -#endif - s = mp->m_str; - if (s != NULL) - { - /* insert the to string */ - (void)ins_typebuf(s, mp->m_noremap, 0, TRUE, mp->m_silent); - /* no abbrev. for these chars */ - typebuf.tb_no_abbr_cnt += (int)STRLEN(s) + j + 1; -#ifdef FEAT_EVAL - if (mp->m_expr) - vim_free(s); -#endif - } - - tb[0] = Ctrl_H; - tb[1] = NUL; - if (has_mbyte) - len = clen; /* Delete characters instead of bytes */ - while (len-- > 0) /* delete the from string */ - (void)ins_typebuf(tb, 1, 0, TRUE, mp->m_silent); - return TRUE; - } - } - return FALSE; -} - -#ifdef FEAT_EVAL -/* - * Evaluate the RHS of a mapping or abbreviations and take care of escaping - * special characters. - */ - static char_u * -eval_map_expr( - char_u *str, - int c) /* NUL or typed character for abbreviation */ -{ - char_u *res; - char_u *p; - char_u *expr; - pos_T save_cursor; - int save_msg_col; - int save_msg_row; - - /* Remove escaping of CSI, because "str" is in a format to be used as - * typeahead. */ - expr = vim_strsave(str); - if (expr == NULL) - return NULL; - vim_unescape_csi(expr); - - /* Forbid changing text or using ":normal" to avoid most of the bad side - * effects. Also restore the cursor position. */ - ++textlock; - ++ex_normal_lock; - set_vim_var_char(c); /* set v:char to the typed character */ - save_cursor = curwin->w_cursor; - save_msg_col = msg_col; - save_msg_row = msg_row; - p = eval_to_string(expr, NULL, FALSE); - --textlock; - --ex_normal_lock; - curwin->w_cursor = save_cursor; - msg_col = save_msg_col; - msg_row = save_msg_row; - - vim_free(expr); - - if (p == NULL) - return NULL; - /* Escape CSI in the result to be able to use the string as typeahead. */ - res = vim_strsave_escape_csi(p); - vim_free(p); - - return res; -} -#endif - -/* - * Copy "p" to allocated memory, escaping K_SPECIAL and CSI so that the result - * can be put in the typeahead buffer. - * Returns NULL when out of memory. - */ - char_u * -vim_strsave_escape_csi( - char_u *p) -{ - char_u *res; - char_u *s, *d; - - /* Need a buffer to hold up to three times as much. Four in case of an - * illegal utf-8 byte: - * 0xc0 -> 0xc3 0x80 -> 0xc3 K_SPECIAL KS_SPECIAL KE_FILLER */ - res = alloc(STRLEN(p) * 4 + 1); - if (res != NULL) - { - d = res; - for (s = p; *s != NUL; ) - { - if (s[0] == K_SPECIAL && s[1] != NUL && s[2] != NUL) - { - /* Copy special key unmodified. */ - *d++ = *s++; - *d++ = *s++; - *d++ = *s++; - } - else - { - /* Add character, possibly multi-byte to destination, escaping - * CSI and K_SPECIAL. Be careful, it can be an illegal byte! */ - d = add_char2buf(PTR2CHAR(s), d); - s += MB_CPTR2LEN(s); - } - } - *d = NUL; - } - return res; -} - -/* - * Remove escaping from CSI and K_SPECIAL characters. Reverse of - * vim_strsave_escape_csi(). Works in-place. - */ - void -vim_unescape_csi(char_u *p) -{ - char_u *s = p, *d = p; - - while (*s != NUL) - { - if (s[0] == K_SPECIAL && s[1] == KS_SPECIAL && s[2] == KE_FILLER) - { - *d++ = K_SPECIAL; - s += 3; - } - else if ((s[0] == K_SPECIAL || s[0] == CSI) - && s[1] == KS_EXTRA && s[2] == (int)KE_CSI) - { - *d++ = CSI; - s += 3; - } - else - *d++ = *s++; - } - *d = NUL; -} - -/* - * Write map commands for the current mappings to an .exrc file. - * Return FAIL on error, OK otherwise. - */ - int -makemap( - FILE *fd, - buf_T *buf) /* buffer for local mappings or NULL */ -{ - mapblock_T *mp; - char_u c1, c2, c3; - char_u *p; - char *cmd; - int abbr; - int hash; - int did_cpo = FALSE; - int i; - - validate_maphash(); - - /* - * Do the loop twice: Once for mappings, once for abbreviations. - * Then loop over all map hash lists. - */ - for (abbr = 0; abbr < 2; ++abbr) - for (hash = 0; hash < 256; ++hash) - { - if (abbr) - { - if (hash > 0) /* there is only one abbr list */ - break; -#ifdef FEAT_LOCALMAP - if (buf != NULL) - mp = buf->b_first_abbr; - else -#endif - mp = first_abbr; - } - else - { -#ifdef FEAT_LOCALMAP - if (buf != NULL) - mp = buf->b_maphash[hash]; - else -#endif - mp = maphash[hash]; - } - - for ( ; mp; mp = mp->m_next) - { - /* skip script-local mappings */ - if (mp->m_noremap == REMAP_SCRIPT) - continue; - - /* skip mappings that contain a <SNR> (script-local thing), - * they probably don't work when loaded again */ - for (p = mp->m_str; *p != NUL; ++p) - if (p[0] == K_SPECIAL && p[1] == KS_EXTRA - && p[2] == (int)KE_SNR) - break; - if (*p != NUL) - continue; - - /* It's possible to create a mapping and then ":unmap" certain - * modes. We recreate this here by mapping the individual - * modes, which requires up to three of them. */ - c1 = NUL; - c2 = NUL; - c3 = NUL; - if (abbr) - cmd = "abbr"; - else - cmd = "map"; - switch (mp->m_mode) - { - case NORMAL + VISUAL + SELECTMODE + OP_PENDING: - break; - case NORMAL: - c1 = 'n'; - break; - case VISUAL: - c1 = 'x'; - break; - case SELECTMODE: - c1 = 's'; - break; - case OP_PENDING: - c1 = 'o'; - break; - case NORMAL + VISUAL: - c1 = 'n'; - c2 = 'x'; - break; - case NORMAL + SELECTMODE: - c1 = 'n'; - c2 = 's'; - break; - case NORMAL + OP_PENDING: - c1 = 'n'; - c2 = 'o'; - break; - case VISUAL + SELECTMODE: - c1 = 'v'; - break; - case VISUAL + OP_PENDING: - c1 = 'x'; - c2 = 'o'; - break; - case SELECTMODE + OP_PENDING: - c1 = 's'; - c2 = 'o'; - break; - case NORMAL + VISUAL + SELECTMODE: - c1 = 'n'; - c2 = 'v'; - break; - case NORMAL + VISUAL + OP_PENDING: - c1 = 'n'; - c2 = 'x'; - c3 = 'o'; - break; - case NORMAL + SELECTMODE + OP_PENDING: - c1 = 'n'; - c2 = 's'; - c3 = 'o'; - break; - case VISUAL + SELECTMODE + OP_PENDING: - c1 = 'v'; - c2 = 'o'; - break; - case CMDLINE + INSERT: - if (!abbr) - cmd = "map!"; - break; - case CMDLINE: - c1 = 'c'; - break; - case INSERT: - c1 = 'i'; - break; - case LANGMAP: - c1 = 'l'; - break; - case TERMINAL: - c1 = 't'; - break; - default: - iemsg(_("E228: makemap: Illegal mode")); - return FAIL; - } - do /* do this twice if c2 is set, 3 times with c3 */ - { - /* When outputting <> form, need to make sure that 'cpo' - * is set to the Vim default. */ - if (!did_cpo) - { - if (*mp->m_str == NUL) /* will use <Nop> */ - did_cpo = TRUE; - else - for (i = 0; i < 2; ++i) - for (p = (i ? mp->m_str : mp->m_keys); *p; ++p) - if (*p == K_SPECIAL || *p == NL) - did_cpo = TRUE; - if (did_cpo) - { - if (fprintf(fd, "let s:cpo_save=&cpo") < 0 - || put_eol(fd) < 0 - || fprintf(fd, "set cpo&vim") < 0 - || put_eol(fd) < 0) - return FAIL; - } - } - if (c1 && putc(c1, fd) < 0) - return FAIL; - if (mp->m_noremap != REMAP_YES && fprintf(fd, "nore") < 0) - return FAIL; - if (fputs(cmd, fd) < 0) - return FAIL; - if (buf != NULL && fputs(" <buffer>", fd) < 0) - return FAIL; - if (mp->m_nowait && fputs(" <nowait>", fd) < 0) - return FAIL; - if (mp->m_silent && fputs(" <silent>", fd) < 0) - return FAIL; -#ifdef FEAT_EVAL - if (mp->m_noremap == REMAP_SCRIPT - && fputs("<script>", fd) < 0) - return FAIL; - if (mp->m_expr && fputs(" <expr>", fd) < 0) - return FAIL; -#endif - - if ( putc(' ', fd) < 0 - || put_escstr(fd, mp->m_keys, 0) == FAIL - || putc(' ', fd) < 0 - || put_escstr(fd, mp->m_str, 1) == FAIL - || put_eol(fd) < 0) - return FAIL; - c1 = c2; - c2 = c3; - c3 = NUL; - } while (c1 != NUL); - } - } - - if (did_cpo) - if (fprintf(fd, "let &cpo=s:cpo_save") < 0 - || put_eol(fd) < 0 - || fprintf(fd, "unlet s:cpo_save") < 0 - || put_eol(fd) < 0) - return FAIL; - return OK; -} - -/* - * write escape string to file - * "what": 0 for :map lhs, 1 for :map rhs, 2 for :set - * - * return FAIL for failure, OK otherwise - */ - int -put_escstr(FILE *fd, char_u *strstart, int what) -{ - char_u *str = strstart; - int c; - int modifiers; - - /* :map xx <Nop> */ - if (*str == NUL && what == 1) - { - if (fprintf(fd, "<Nop>") < 0) - return FAIL; - return OK; - } - - for ( ; *str != NUL; ++str) - { - char_u *p; - - /* Check for a multi-byte character, which may contain escaped - * K_SPECIAL and CSI bytes */ - p = mb_unescape(&str); - if (p != NULL) - { - while (*p != NUL) - if (fputc(*p++, fd) < 0) - return FAIL; - --str; - continue; - } - - c = *str; - /* - * Special key codes have to be translated to be able to make sense - * when they are read back. - */ - if (c == K_SPECIAL && what != 2) - { - modifiers = 0x0; - if (str[1] == KS_MODIFIER) - { - modifiers = str[2]; - str += 3; - c = *str; - } - if (c == K_SPECIAL) - { - c = TO_SPECIAL(str[1], str[2]); - str += 2; - } - if (IS_SPECIAL(c) || modifiers) /* special key */ - { - if (fputs((char *)get_special_key_name(c, modifiers), fd) < 0) - return FAIL; - continue; - } - } - - /* - * A '\n' in a map command should be written as <NL>. - * A '\n' in a set command should be written as \^V^J. - */ - if (c == NL) - { - if (what == 2) - { - if (fprintf(fd, IF_EB("\\\026\n", "\\" CTRL_V_STR "\n")) < 0) - return FAIL; - } - else - { - if (fprintf(fd, "<NL>") < 0) - return FAIL; - } - continue; - } - - /* - * Some characters have to be escaped with CTRL-V to - * prevent them from misinterpreted in DoOneCmd(). - * A space, Tab and '"' has to be escaped with a backslash to - * prevent it to be misinterpreted in do_set(). - * A space has to be escaped with a CTRL-V when it's at the start of a - * ":map" rhs. - * A '<' has to be escaped with a CTRL-V to prevent it being - * interpreted as the start of a special key name. - * A space in the lhs of a :map needs a CTRL-V. - */ - if (what == 2 && (VIM_ISWHITE(c) || c == '"' || c == '\\')) - { - if (putc('\\', fd) < 0) - return FAIL; - } - else if (c < ' ' || c > '~' || c == '|' - || (what == 0 && c == ' ') - || (what == 1 && str == strstart && c == ' ') - || (what != 2 && c == '<')) - { - if (putc(Ctrl_V, fd) < 0) - return FAIL; - } - if (putc(c, fd) < 0) - return FAIL; - } - return OK; -} - -/* - * Check all mappings for the presence of special key codes. - * Used after ":set term=xxx". - */ - void -check_map_keycodes(void) -{ - mapblock_T *mp; - char_u *p; - int i; - char_u buf[3]; - char_u *save_name; - int abbr; - int hash; -#ifdef FEAT_LOCALMAP - buf_T *bp; -#endif - - validate_maphash(); - save_name = sourcing_name; - sourcing_name = (char_u *)"mappings"; /* avoids giving error messages */ - -#ifdef FEAT_LOCALMAP - /* This this once for each buffer, and then once for global - * mappings/abbreviations with bp == NULL */ - for (bp = firstbuf; ; bp = bp->b_next) - { -#endif - /* - * Do the loop twice: Once for mappings, once for abbreviations. - * Then loop over all map hash lists. - */ - for (abbr = 0; abbr <= 1; ++abbr) - for (hash = 0; hash < 256; ++hash) - { - if (abbr) - { - if (hash) /* there is only one abbr list */ - break; -#ifdef FEAT_LOCALMAP - if (bp != NULL) - mp = bp->b_first_abbr; - else -#endif - mp = first_abbr; - } - else - { -#ifdef FEAT_LOCALMAP - if (bp != NULL) - mp = bp->b_maphash[hash]; - else -#endif - mp = maphash[hash]; - } - for ( ; mp != NULL; mp = mp->m_next) - { - for (i = 0; i <= 1; ++i) /* do this twice */ - { - if (i == 0) - p = mp->m_keys; /* once for the "from" part */ - else - p = mp->m_str; /* and once for the "to" part */ - while (*p) - { - if (*p == K_SPECIAL) - { - ++p; - if (*p < 128) /* for "normal" tcap entries */ - { - buf[0] = p[0]; - buf[1] = p[1]; - buf[2] = NUL; - (void)add_termcap_entry(buf, FALSE); - } - ++p; - } - ++p; - } - } - } - } -#ifdef FEAT_LOCALMAP - if (bp == NULL) - break; - } -#endif - sourcing_name = save_name; -} - -#if defined(FEAT_EVAL) || defined(PROTO) -/* - * Check the string "keys" against the lhs of all mappings. - * Return pointer to rhs of mapping (mapblock->m_str). - * NULL when no mapping found. - */ - char_u * -check_map( - char_u *keys, - int mode, - int exact, /* require exact match */ - int ign_mod, /* ignore preceding modifier */ - int abbr, /* do abbreviations */ - mapblock_T **mp_ptr, /* return: pointer to mapblock or NULL */ - int *local_ptr) /* return: buffer-local mapping or NULL */ -{ - int hash; - int len, minlen; - mapblock_T *mp; - char_u *s; -#ifdef FEAT_LOCALMAP - int local; -#endif - - validate_maphash(); - - len = (int)STRLEN(keys); -#ifdef FEAT_LOCALMAP - for (local = 1; local >= 0; --local) -#endif - /* loop over all hash lists */ - for (hash = 0; hash < 256; ++hash) - { - if (abbr) - { - if (hash > 0) /* there is only one list. */ - break; -#ifdef FEAT_LOCALMAP - if (local) - mp = curbuf->b_first_abbr; - else -#endif - mp = first_abbr; - } -#ifdef FEAT_LOCALMAP - else if (local) - mp = curbuf->b_maphash[hash]; -#endif - else - mp = maphash[hash]; - for ( ; mp != NULL; mp = mp->m_next) - { - /* skip entries with wrong mode, wrong length and not matching - * ones */ - if ((mp->m_mode & mode) && (!exact || mp->m_keylen == len)) - { - if (len > mp->m_keylen) - minlen = mp->m_keylen; - else - minlen = len; - s = mp->m_keys; - if (ign_mod && s[0] == K_SPECIAL && s[1] == KS_MODIFIER - && s[2] != NUL) - { - s += 3; - if (len > mp->m_keylen - 3) - minlen = mp->m_keylen - 3; - } - if (STRNCMP(s, keys, minlen) == 0) - { - if (mp_ptr != NULL) - *mp_ptr = mp; - if (local_ptr != NULL) -#ifdef FEAT_LOCALMAP - *local_ptr = local; -#else - *local_ptr = 0; -#endif - return mp->m_str; - } - } - } - } - - return NULL; -} -#endif - -#if defined(MSWIN) || defined(MACOS_X) - -# define VIS_SEL (VISUAL+SELECTMODE) /* abbreviation */ - -/* - * Default mappings for some often used keys. - */ -struct initmap -{ - char_u *arg; - int mode; -}; - -# ifdef FEAT_GUI_MSWIN -/* Use the Windows (CUA) keybindings. (GUI) */ -static struct initmap initmappings[] = -{ - /* paste, copy and cut */ - {(char_u *)"<S-Insert> \"*P", NORMAL}, - {(char_u *)"<S-Insert> \"-d\"*P", VIS_SEL}, - {(char_u *)"<S-Insert> <C-R><C-O>*", INSERT+CMDLINE}, - {(char_u *)"<C-Insert> \"*y", VIS_SEL}, - {(char_u *)"<S-Del> \"*d", VIS_SEL}, - {(char_u *)"<C-Del> \"*d", VIS_SEL}, - {(char_u *)"<C-X> \"*d", VIS_SEL}, - /* Missing: CTRL-C (cancel) and CTRL-V (block selection) */ -}; -# endif - -# if defined(MSWIN) && (!defined(FEAT_GUI) || defined(VIMDLL)) -/* Use the Windows (CUA) keybindings. (Console) */ -static struct initmap cinitmappings[] = -{ - {(char_u *)"\316w <C-Home>", NORMAL+VIS_SEL}, - {(char_u *)"\316w <C-Home>", INSERT+CMDLINE}, - {(char_u *)"\316u <C-End>", NORMAL+VIS_SEL}, - {(char_u *)"\316u <C-End>", INSERT+CMDLINE}, - - /* paste, copy and cut */ -# ifdef FEAT_CLIPBOARD - {(char_u *)"\316\324 \"*P", NORMAL}, /* SHIFT-Insert is "*P */ - {(char_u *)"\316\324 \"-d\"*P", VIS_SEL}, /* SHIFT-Insert is "-d"*P */ - {(char_u *)"\316\324 \022\017*", INSERT}, /* SHIFT-Insert is ^R^O* */ - {(char_u *)"\316\325 \"*y", VIS_SEL}, /* CTRL-Insert is "*y */ - {(char_u *)"\316\327 \"*d", VIS_SEL}, /* SHIFT-Del is "*d */ - {(char_u *)"\316\330 \"*d", VIS_SEL}, /* CTRL-Del is "*d */ - {(char_u *)"\030 \"*d", VIS_SEL}, /* CTRL-X is "*d */ -# else - {(char_u *)"\316\324 P", NORMAL}, /* SHIFT-Insert is P */ - {(char_u *)"\316\324 \"-dP", VIS_SEL}, /* SHIFT-Insert is "-dP */ - {(char_u *)"\316\324 \022\017\"", INSERT}, /* SHIFT-Insert is ^R^O" */ - {(char_u *)"\316\325 y", VIS_SEL}, /* CTRL-Insert is y */ - {(char_u *)"\316\327 d", VIS_SEL}, /* SHIFT-Del is d */ - {(char_u *)"\316\330 d", VIS_SEL}, /* CTRL-Del is d */ -# endif -}; -# endif - -# if defined(MACOS_X) -static struct initmap initmappings[] = -{ - /* Use the Standard MacOS binding. */ - /* paste, copy and cut */ - {(char_u *)"<D-v> \"*P", NORMAL}, - {(char_u *)"<D-v> \"-d\"*P", VIS_SEL}, - {(char_u *)"<D-v> <C-R>*", INSERT+CMDLINE}, - {(char_u *)"<D-c> \"*y", VIS_SEL}, - {(char_u *)"<D-x> \"*d", VIS_SEL}, - {(char_u *)"<Backspace> \"-d", VIS_SEL}, -}; -# endif - -# undef VIS_SEL -#endif - -/* - * Set up default mappings. - */ - void -init_mappings(void) -{ -#if defined(MSWIN) || defined(MACOS_X) - int i; - -# if defined(MSWIN) && (!defined(FEAT_GUI_MSWIN) || defined(VIMDLL)) -# ifdef VIMDLL - if (!gui.starting) -# endif - { - for (i = 0; - i < (int)(sizeof(cinitmappings) / sizeof(struct initmap)); ++i) - add_map(cinitmappings[i].arg, cinitmappings[i].mode); - } -# endif -# if defined(FEAT_GUI_MSWIN) || defined(MACOS_X) - for (i = 0; i < (int)(sizeof(initmappings) / sizeof(struct initmap)); ++i) - add_map(initmappings[i].arg, initmappings[i].mode); -# endif -#endif -} - -#if defined(MSWIN) || defined(FEAT_CMDWIN) || defined(MACOS_X) \ - || defined(PROTO) -/* - * Add a mapping "map" for mode "mode". - * Need to put string in allocated memory, because do_map() will modify it. - */ - void -add_map(char_u *map, int mode) -{ - char_u *s; - char_u *cpo_save = p_cpo; - - p_cpo = (char_u *)""; /* Allow <> notation */ - s = vim_strsave(map); - if (s != NULL) - { - (void)do_map(0, s, mode, FALSE); - vim_free(s); - } - p_cpo = cpo_save; -} -#endif