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map.c
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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.
*/
/*
* map.c: Code for mappings and abbreviations.
*/
#include "vim.h"
/*
* List used for abbreviations.
*/
static mapblock_T *first_abbr = NULL; // first entry in abbrlist
/*
* 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;
// When non-zero then no mappings can be added or removed. Prevents mappings
// to change while listing them.
static int map_locked = 0;
/*
* 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) & (MODE_NORMAL | MODE_VISUAL | MODE_SELECT | MODE_OP_PENDING | MODE_TERMINAL)) ? (c1) : ((c1) ^ 0x80))
/*
* Get the start of the hashed map list for "state" and first character "c".
*/
mapblock_T *
get_maphash_list(int state, int c)
{
return maphash[MAP_HASH(state, c)];
}
/*
* Get the buffer-local hashed map list for "state" and first character "c".
*/
mapblock_T *
get_buf_maphash_list(int state, int c)
{
return curbuf->b_maphash[MAP_HASH(state, c)];
}
int
is_maphash_valid(void)
{
return maphash_valid;
}
/*
* Initialize maphash[] for first use.
*/
static void
validate_maphash(void)
{
if (maphash_valid)
return;
CLEAR_FIELD(maphash);
maphash_valid = TRUE;
}
/*
* 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;
#ifdef FEAT_EVAL
reset_last_used_map(mp);
#endif
vim_free(mp);
}
/*
* Return characters to represent the map mode in an allocated string.
* Returns NULL when out of memory.
*/
static char_u *
map_mode_to_chars(int mode)
{
garray_T mapmode;
ga_init2(&mapmode, 1, 7);
if ((mode & (MODE_INSERT | MODE_CMDLINE)) == (MODE_INSERT | MODE_CMDLINE))
ga_append(&mapmode, '!'); // :map!
else if (mode & MODE_INSERT)
ga_append(&mapmode, 'i'); // :imap
else if (mode & MODE_LANGMAP)
ga_append(&mapmode, 'l'); // :lmap
else if (mode & MODE_CMDLINE)
ga_append(&mapmode, 'c'); // :cmap
else if ((mode
& (MODE_NORMAL | MODE_VISUAL | MODE_SELECT | MODE_OP_PENDING))
== (MODE_NORMAL | MODE_VISUAL | MODE_SELECT | MODE_OP_PENDING))
ga_append(&mapmode, ' '); // :map
else
{
if (mode & MODE_NORMAL)
ga_append(&mapmode, 'n'); // :nmap
if (mode & MODE_OP_PENDING)
ga_append(&mapmode, 'o'); // :omap
if (mode & MODE_TERMINAL)
ga_append(&mapmode, 't'); // :tmap
if ((mode & (MODE_VISUAL | MODE_SELECT)) == (MODE_VISUAL | MODE_SELECT))
ga_append(&mapmode, 'v'); // :vmap
else
{
if (mode & MODE_VISUAL)
ga_append(&mapmode, 'x'); // :xmap
if (mode & MODE_SELECT)
ga_append(&mapmode, 's'); // :smap
}
}
ga_append(&mapmode, NUL);
return (char_u *)mapmode.ga_data;
}
/*
* Output a line for one mapping.
*/
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;
// Prevent mappings to be cleared while at the more prompt.
// Must jump to "theend" instead of returning.
++map_locked;
if (msg_didout || msg_silent != 0)
{
msg_putchar('\n');
if (got_int) // 'q' typed at MORE prompt
goto theend;
}
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(' '); // pad 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
msg_outtrans_special(mp->m_str, FALSE, 0);
#ifdef FEAT_EVAL
if (p_verbose > 0)
last_set_msg(mp->m_script_ctx);
#endif
msg_clr_eos();
out_flush(); // show one line at a time
theend:
--map_locked;
}
static int
map_add(
mapblock_T **map_table,
mapblock_T **abbr_table,
char_u *keys,
char_u *rhs,
char_u *orig_rhs,
int noremap,
int nowait,
int silent,
int mode,
int is_abbr,
#ifdef FEAT_EVAL
int expr,
scid_T sid, // 0 to use current_sctx
int scriptversion,
linenr_T lnum,
#endif
int simplified)
{
mapblock_T *mp = ALLOC_CLEAR_ONE(mapblock_T);
if (mp == NULL)
return FAIL;
// If CTRL-C has been mapped, don't always use it for Interrupting.
if (*keys == Ctrl_C)
{
if (map_table == curbuf->b_maphash)
curbuf->b_mapped_ctrl_c |= mode;
else
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);
return FAIL;
}
mp->m_keylen = (int)STRLEN(mp->m_keys);
mp->m_noremap = noremap;
mp->m_nowait = nowait;
mp->m_silent = silent;
mp->m_mode = mode;
mp->m_simplified = simplified;
#ifdef FEAT_EVAL
mp->m_expr = expr;
if (sid != 0)
{
mp->m_script_ctx.sc_sid = sid;
mp->m_script_ctx.sc_lnum = lnum;
mp->m_script_ctx.sc_version = scriptversion;
}
else
{
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 (is_abbr)
{
mp->m_next = *abbr_table;
*abbr_table = mp;
}
else
{
int n = MAP_HASH(mp->m_mode, mp->m_keys[0]);
mp->m_next = map_table[n];
map_table[n] = mp;
}
return OK;
}
/*
* List mappings. When "haskey" is FALSE all mappings, otherwise mappings that
* match "keys[keys_len]".
*/
static void
list_mappings(
int keyround,
int abbrev,
int haskey,
char_u *keys,
int keys_len,
int mode,
int *did_local)
{
// Prevent mappings to be cleared while at the more prompt.
++map_locked;
if (p_verbose > 0 && keyround == 1)
{
if (seenModifyOtherKeys)
msg_puts(_("Seen modifyOtherKeys: true\n"));
if (modify_otherkeys_state != MOKS_INITIAL)
{
char *name = _("Unknown");
switch (modify_otherkeys_state)
{
case MOKS_INITIAL: break;
case MOKS_OFF: name = _("Off"); break;
case MOKS_ENABLED: name = _("On"); break;
case MOKS_DISABLED: name = _("Disabled"); break;
case MOKS_AFTER_T_TE: name = _("Cleared"); break;
}
char buf[200];
vim_snprintf(buf, sizeof(buf),
_("modifyOtherKeys detected: %s\n"), name);
msg_puts(buf);
}
if (kitty_protocol_state != KKPS_INITIAL)
{
char *name = _("Unknown");
switch (kitty_protocol_state)
{
case KKPS_INITIAL: break;
case KKPS_OFF: name = _("Off"); break;
case KKPS_ENABLED: name = _("On"); break;
case KKPS_DISABLED: name = _("Disabled"); break;
case KKPS_AFTER_T_TE: name = _("Cleared"); break;
}
char buf[200];
vim_snprintf(buf, sizeof(buf),
_("Kitty keyboard protocol: %s\n"), name);
msg_puts(buf);
}
}
// need to loop over all global hash lists
for (int hash = 0; hash < 256 && !got_int; ++hash)
{
mapblock_T *mp;
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_simplified && (mp->m_mode & mode) != 0)
{
if (!haskey) // show all entries
{
showmap(mp, TRUE);
*did_local = TRUE;
}
else
{
int n = mp->m_keylen;
if (STRNCMP(mp->m_keys, keys,
(size_t)(n < keys_len ? n : keys_len)) == 0)
{
showmap(mp, TRUE);
*did_local = TRUE;
}
}
}
}
}
--map_locked;
}
/*
* 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: MAPTYPE_MAP for :map
* MAPTYPE_UNMAP for :unmap
* MAPTYPE_NOREMAP for noremap
*
* arg is pointer to any arguments. Note: arg cannot be a read-only string,
* it will be modified.
*
* for :map mode is MODE_NORMAL | MODE_VISUAL | MODE_SELECT | MODE_OP_PENDING
* for :map! mode is MODE_INSERT | MODE_CMDLINE
* for :cmap mode is MODE_CMDLINE
* for :imap mode is MODE_INSERT
* for :lmap mode is MODE_LANGMAP
* for :nmap mode is MODE_NORMAL
* for :vmap mode is MODE_VISUAL | MODE_SELECT
* for :xmap mode is MODE_VISUAL
* for :smap mode is MODE_SELECT
* for :omap mode is MODE_OP_PENDING
* for :tmap mode is MODE_TERMINAL
*
* for :abbr mode is MODE_INSERT | MODE_CMDLINE
* for :iabbr mode is MODE_INSERT
* for :cabbr mode is MODE_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
int hasarg;
int haskey;
int do_print;
int keyround;
char_u *keys_buf = NULL;
char_u *alt_keys_buf = NULL;
char_u *arg_buf = NULL;
int retval = 0;
int do_backslash;
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 did_simplify = FALSE;
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 == MAPTYPE_NOREMAP)
noremap = REMAP_NONE;
else
noremap = REMAP_YES;
// Accept <buffer>, <nowait>, <silent>, <expr> <script> and <unique> in
// any order.
for (;;)
{
// 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;
}
// 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 == MAPTYPE_UNMAP || !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);
do_print = !haskey || (maptype != MAPTYPE_UNMAP && !hasarg);
// check for :unmap without argument
if (maptype == MAPTYPE_UNMAP && !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 something like <C-H> is simplified to 0x08 then mark it as simplified
// and also add an entry with a modifier, which will work when using a key
// protocol.
if (haskey)
{
char_u *new_keys;
int flags = REPTERM_FROM_PART | REPTERM_DO_LT;
if (special)
flags |= REPTERM_SPECIAL;
new_keys = replace_termcodes(keys, &keys_buf, flags, &did_simplify);
if (did_simplify)
(void)replace_termcodes(keys, &alt_keys_buf,
flags | REPTERM_NO_SIMPLIFY, NULL);
keys = new_keys;
}
orig_rhs = rhs;
if (hasarg)
{
if (STRICMP(rhs, "<nop>") == 0) // "<Nop>" means nothing
rhs = (char_u *)"";
else
rhs = replace_termcodes(rhs, &arg_buf,
REPTERM_DO_LT | (special ? REPTERM_SPECIAL : 0), NULL);
}
/*
* The following is done twice if we have two versions of keys:
* "alt_keys_buf" is not NULL.
*/
for (keyround = 1; keyround <= 2; ++keyround)
{
int did_it = FALSE;
int did_local = FALSE;
int keyround1_simplified = keyround == 1 && did_simplify;
int round;
if (keyround == 2)
{
if (alt_keys_buf == NULL)
break;
keys = alt_keys_buf;
}
else if (alt_keys_buf != NULL && do_print)
// when printing always use the not-simplified map
keys = alt_keys_buf;
// 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 != MAPTYPE_UNMAP)
{
// 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 (do_print)
msg_start();
// Check if a new local mapping wasn't already defined globally.
if (unique && map_table == curbuf->b_maphash
&& haskey && hasarg && maptype != MAPTYPE_UNMAP)
{
// need to loop over all global hash lists
for (int 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
&& STRNCMP(mp->m_keys, keys, (size_t)len) == 0)
{
if (abbrev)
semsg(
_(e_global_abbreviation_already_exists_for_str),
mp->m_keys);
else
semsg(_(e_global_mapping_already_exists_for_str),
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 != MAPTYPE_UNMAP)
list_mappings(keyround, abbrev, haskey, keys, len,
mode, &did_local);
// 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 == MAPTYPE_UNMAP) && round <= 1
&& !did_it && !got_int; ++round)
{
// need to loop over all hash lists
for (int 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) == 0)
{
// skip entries with wrong mode
mpp = &(mp->m_next);
continue;
}
if (!haskey) // show all entries
{
if (!mp->m_simplified)
{
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 == MAPTYPE_UNMAP)
{
// 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;
}
// In keyround for simplified keys, don't unmap
// a mapping without m_simplified flag.
if (keyround1_simplified && !mp->m_simplified)
break;
// 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
{
if (!mp->m_simplified)
{
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(
_(e_abbreviation_already_exists_for_str),
p);
else
semsg(_(e_mapping_already_exists_for_str),
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
{
char_u *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;
mp->m_simplified = keyround1_simplified;
#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.
int 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 == MAPTYPE_UNMAP)
{
// delete entry
if (!did_it)
{
if (!keyround1_simplified)
retval = 2; // no match
}
else if (*keys == Ctrl_C)
{
// If CTRL-C has been unmapped, reuse it for Interrupting.
if (map_table == curbuf->b_maphash)
curbuf->b_mapped_ctrl_c &= ~mode;
else
mapped_ctrl_c &= ~mode;
}
continue;
}
if (!haskey || !hasarg)
{
// print entries
if (!did_it && !did_local)
{
if (abbrev)
msg(_("No abbreviation found"));
else
msg(_("No mapping found"));
}
goto theend; // listing finished
}
if (did_it)
continue; // have added the new entry already
// Get here when adding a new entry to the maphash[] list or abbrlist.
if (map_add(map_table, abbr_table, keys, rhs, orig_rhs,
noremap, nowait, silent, mode, abbrev,
#ifdef FEAT_EVAL
expr, /* sid */ 0, /* scriptversion */ 0, /* lnum */ 0,
#endif
keyround1_simplified) == FAIL)
{
retval = 4; // no mem
goto theend;
}
}
theend:
vim_free(keys_buf);
vim_free(alt_keys_buf);
vim_free(arg_buf);
return retval;
}
/*
* Get the mapping mode from the command name.
*/
static int
get_map_mode(char_u **cmdp, int forceit)
{
char_u *p;
int modec;
int mode;
p = *cmdp;
modec = *p++;
if (modec == 'i')
mode = MODE_INSERT; // :imap
else if (modec == 'l')
mode = MODE_LANGMAP; // :lmap
else if (modec == 'c')
mode = MODE_CMDLINE; // :cmap
else if (modec == 'n' && *p != 'o') // avoid :noremap
mode = MODE_NORMAL; // :nmap
else if (modec == 'v')
mode = MODE_VISUAL | MODE_SELECT; // :vmap
else if (modec == 'x')
mode = MODE_VISUAL; // :xmap
else if (modec == 's')
mode = MODE_SELECT; // :smap
else if (modec == 'o')
mode = MODE_OP_PENDING; // :omap
else if (modec == 't')
mode = MODE_TERMINAL; // :tmap
else
{
--p;
if (forceit)
mode = MODE_INSERT | MODE_CMDLINE; // :map !
else
mode = MODE_VISUAL | MODE_SELECT | MODE_NORMAL | MODE_OP_PENDING;
// :map
}
*cmdp = p;
return mode;
}
/*
* Clear all mappings (":mapclear") or abbreviations (":abclear").
* "abbr" should be FALSE for mappings, TRUE for abbreviations.
*/
static void
map_clear(
char_u *cmdp,
char_u *arg,
int forceit,
int abbr)
{
int mode;
int local;