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Diffstat (limited to 'src/getchar.c')
| -rw-r--r-- | src/getchar.c | 4333 |
1 files changed, 0 insertions, 4333 deletions
diff --git a/src/getchar.c b/src/getchar.c deleted file mode 100644 index 99dbc11e4d..0000000000 --- a/src/getchar.c +++ /dev/null @@ -1,4333 +0,0 @@ -/* - * 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. - */ - -/* - * getchar.c - * - * functions related with getting a character from the user/mapping/redo/... - * - * manipulations with redo buffer and stuff buffer - * mappings and abbreviations - */ - -#include <string.h> - -#include "vim.h" -#include "getchar.h" -#include "charset.h" -#include "edit.h" -#include "eval.h" -#include "ex_docmd.h" -#include "ex_getln.h" -#include "farsi.h" -#include "main.h" -#include "mbyte.h" -#include "memline.h" -#include "memory.h" -#include "message.h" -#include "misc1.h" -#include "misc2.h" -#include "keymap.h" -#include "garray.h" -#include "move.h" -#include "normal.h" -#include "ops.h" -#include "option.h" -#include "regexp.h" -#include "screen.h" -#include "term.h" -#include "ui.h" -#include "undo.h" - -/* - * These buffers are used for storing: - * - stuffed characters: A command that is translated into another command. - * - redo characters: will redo the last change. - * - recorded characters: for the "q" command. - * - * The bytes are stored like in the typeahead buffer: - * - K_SPECIAL introduces a special key (two more bytes follow). A literal - * K_SPECIAL is stored as K_SPECIAL KS_SPECIAL KE_FILLER. - * - CSI introduces a GUI termcap code (also when gui.in_use is FALSE, - * otherwise switching the GUI on would make mappings invalid). - * A literal CSI is stored as CSI KS_EXTRA KE_CSI. - * These translations are also done on multi-byte characters! - * - * Escaping CSI bytes is done by the system-specific input functions, called - * by ui_inchar(). - * Escaping K_SPECIAL is done by inchar(). - * Un-escaping is done by vgetc(). - */ - -#define MINIMAL_SIZE 20 /* minimal size for b_str */ - -static buffheader_T redobuff = {{NULL, {NUL}}, NULL, 0, 0}; -static buffheader_T old_redobuff = {{NULL, {NUL}}, NULL, 0, 0}; -static buffheader_T save_redobuff = {{NULL, {NUL}}, NULL, 0, 0}; -static buffheader_T save_old_redobuff = {{NULL, {NUL}}, NULL, 0, 0}; -static buffheader_T recordbuff = {{NULL, {NUL}}, NULL, 0, 0}; - -// First read ahead buffer. Used for translated commands. -static buffheader_T readbuf1 = {{NULL, {NUL}}, NULL, 0, 0}; - -// Second read ahead buffer. Used for redo. -static buffheader_T readbuf2 = {{NULL, {NUL}}, NULL, 0, 0}; - -static int typeahead_char = 0; /* typeahead char that's not flushed */ - -/* - * when block_redo is TRUE redo buffer will not be changed - * used by edit() to repeat insertions and 'V' command for redoing - */ -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)) ? (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 */ - -/* - * variables used by vgetorpeek() and flush_buffers() - * - * typebuf.tb_buf[] contains all characters that are not consumed yet. - * typebuf.tb_buf[typebuf.tb_off] is the first valid character. - * typebuf.tb_buf[typebuf.tb_off + typebuf.tb_len - 1] is the last valid char. - * typebuf.tb_buf[typebuf.tb_off + typebuf.tb_len] must be NUL. - * The head of the buffer may contain the result of mappings, abbreviations - * and @a commands. The length of this part is typebuf.tb_maplen. - * typebuf.tb_silent is the part where <silent> applies. - * After the head are characters that come from the terminal. - * typebuf.tb_no_abbr_cnt is the number of characters in typebuf.tb_buf that - * should not be considered for abbreviations. - * Some parts of typebuf.tb_buf may not be mapped. These parts are remembered - * in typebuf.tb_noremap[], which is the same length as typebuf.tb_buf and - * contains RM_NONE for the characters that are not to be remapped. - * typebuf.tb_noremap[typebuf.tb_off] is the first valid flag. - * (typebuf has been put in globals.h, because check_termcode() needs it). - */ -#define RM_YES 0 /* tb_noremap: remap */ -#define RM_NONE 1 /* tb_noremap: don't remap */ -#define RM_SCRIPT 2 /* tb_noremap: remap local script mappings */ -#define RM_ABBR 4 /* tb_noremap: don't remap, do abbrev. */ - -/* typebuf.tb_buf has three parts: room in front (for result of mappings), the - * middle for typeahead and room for new characters (which needs to be 3 * - * MAXMAPLEN) for the Amiga). - */ -#define TYPELEN_INIT (5 * (MAXMAPLEN + 3)) -static char_u typebuf_init[TYPELEN_INIT]; /* initial typebuf.tb_buf */ -static char_u noremapbuf_init[TYPELEN_INIT]; /* initial typebuf.tb_noremap */ - -static int last_recorded_len = 0; /* number of last recorded chars */ - -static char_u *get_buffcont(buffheader_T *, int); -static void add_buff(buffheader_T *, char_u *, long n); -static void add_num_buff(buffheader_T *, long); -static void add_char_buff(buffheader_T *, int); -static int read_readbuffers(int advance); -static int read_readbuf(buffheader_T *buf, int advance); -static void start_stuff(void); -static int read_redo(int, int); -static void copy_redo(int); -static void init_typebuf(void); -static void gotchars(char_u *, int); -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 char_u *eval_map_expr(char_u *str, int c); -static bool is_user_input(int k); - -/* - * Free and clear a buffer. - */ -void free_buff(buffheader_T *buf) -{ - buffblock_T *p, *np; - - for (p = buf->bh_first.b_next; p != NULL; p = np) { - np = p->b_next; - free(p); - } - buf->bh_first.b_next = NULL; -} - -/* - * Return the contents of a buffer as a single string. - * K_SPECIAL and CSI in the returned string are escaped. - */ -static char_u *get_buffcont(buffheader_T *buffer, - int dozero // count == zero is not an error - ) -{ - size_t count = 0; - char_u *p = NULL; - char_u *p2; - char_u *str; - - /* compute the total length of the string */ - for (buffblock_T *bp = buffer->bh_first.b_next; bp != NULL; bp = bp->b_next) - count += STRLEN(bp->b_str); - - if (count || dozero) { - p = xmalloc(count + 1); - p2 = p; - for (buffblock_T *bp = buffer->bh_first.b_next; bp != NULL; bp = bp->b_next) - for (str = bp->b_str; *str; ) - *p2++ = *str++; - *p2 = NUL; - } - return p; -} - -/* - * Return the contents of the record buffer as a single string - * and clear the record buffer. - * K_SPECIAL and CSI in the returned string are escaped. - */ -char_u *get_recorded(void) -{ - char_u *p; - size_t len; - - p = get_buffcont(&recordbuff, TRUE); - free_buff(&recordbuff); - - /* - * Remove the characters that were added the last time, these must be the - * (possibly mapped) characters that stopped the recording. - */ - len = STRLEN(p); - if ((int)len >= last_recorded_len) { - len -= last_recorded_len; - p[len] = NUL; - } - - /* - * When stopping recording from Insert mode with CTRL-O q, also remove the - * CTRL-O. - */ - if (len > 0 && restart_edit != 0 && p[len - 1] == Ctrl_O) - p[len - 1] = NUL; - - return p; -} - -/* - * Return the contents of the redo buffer as a single string. - * K_SPECIAL and CSI in the returned string are escaped. - */ -char_u *get_inserted(void) -{ - return get_buffcont(&redobuff, FALSE); -} - -/* - * Add string "s" after the current block of buffer "buf". - * K_SPECIAL and CSI should have been escaped already. - */ -static void -add_buff ( - buffheader_T *buf, - char_u *s, - long slen /* length of "s" or -1 */ -) -{ - if (slen < 0) - slen = (long)STRLEN(s); - if (slen == 0) /* don't add empty strings */ - return; - - if (buf->bh_first.b_next == NULL) { /* first add to list */ - buf->bh_space = 0; - buf->bh_curr = &(buf->bh_first); - } else if (buf->bh_curr == NULL) { /* buffer has already been read */ - EMSG(_("E222: Add to read buffer")); - return; - } else if (buf->bh_index != 0) - memmove(buf->bh_first.b_next->b_str, - buf->bh_first.b_next->b_str + buf->bh_index, - STRLEN(buf->bh_first.b_next->b_str + buf->bh_index) + 1); - buf->bh_index = 0; - - ssize_t len; - if (buf->bh_space >= (int)slen) { - len = STRLEN(buf->bh_curr->b_str); - vim_strncpy(buf->bh_curr->b_str + len, s, (size_t)slen); - buf->bh_space -= slen; - } else { - if (slen < MINIMAL_SIZE) - len = MINIMAL_SIZE; - else - len = slen; - buffblock_T *p = xmalloc(sizeof(buffblock_T) + len); - buf->bh_space = (int)(len - slen); - vim_strncpy(p->b_str, s, (size_t)slen); - - p->b_next = buf->bh_curr->b_next; - buf->bh_curr->b_next = p; - buf->bh_curr = p; - } - return; -} - -/* - * Add number "n" to buffer "buf". - */ -static void add_num_buff(buffheader_T *buf, long n) -{ - char_u number[32]; - - sprintf((char *)number, "%" PRId64, (int64_t)n); - add_buff(buf, number, -1L); -} - -/* - * Add character 'c' to buffer "buf". - * Translates special keys, NUL, CSI, K_SPECIAL and multibyte characters. - */ -static void add_char_buff(buffheader_T *buf, int c) -{ - char_u bytes[MB_MAXBYTES + 1]; - int len; - int i; - char_u temp[4]; - - if (IS_SPECIAL(c)) - len = 1; - else - len = (*mb_char2bytes)(c, bytes); - for (i = 0; i < len; ++i) { - if (!IS_SPECIAL(c)) - c = bytes[i]; - - if (IS_SPECIAL(c) || c == K_SPECIAL || c == NUL) { - /* translate special key code into three byte sequence */ - temp[0] = K_SPECIAL; - temp[1] = K_SECOND(c); - temp[2] = K_THIRD(c); - temp[3] = NUL; - } else { - temp[0] = c; - temp[1] = NUL; - } - add_buff(buf, temp, -1L); - } -} - -/* - * Get one byte from the read buffers. Use readbuf1 one first, use readbuf2 - * if that one is empty. - * If advance == TRUE go to the next char. - * No translation is done K_SPECIAL and CSI are escaped. - */ -static int read_readbuffers(int advance) -{ - int c; - - c = read_readbuf(&readbuf1, advance); - if (c == NUL) - c = read_readbuf(&readbuf2, advance); - return c; -} - -static int read_readbuf(buffheader_T *buf, int advance) -{ - char_u c; - buffblock_T *curr; - - if (buf->bh_first.b_next == NULL) /* buffer is empty */ - return NUL; - - curr = buf->bh_first.b_next; - c = curr->b_str[buf->bh_index]; - - if (advance) { - if (curr->b_str[++buf->bh_index] == NUL) { - buf->bh_first.b_next = curr->b_next; - free(curr); - buf->bh_index = 0; - } - } - return c; -} - -/* - * Prepare the read buffers for reading (if they contain something). - */ -static void start_stuff(void) -{ - if (readbuf1.bh_first.b_next != NULL) { - readbuf1.bh_curr = &(readbuf1.bh_first); - readbuf1.bh_space = 0; - } - if (readbuf2.bh_first.b_next != NULL) { - readbuf2.bh_curr = &(readbuf2.bh_first); - readbuf2.bh_space = 0; - } -} - -/* - * Return TRUE if the stuff buffer is empty. - */ -int stuff_empty(void) -{ - return (readbuf1.bh_first.b_next == NULL && readbuf2.bh_first.b_next == NULL); -} - -/* - * Return TRUE if readbuf1 is empty. There may still be redo characters in - * redbuf2. - */ -int readbuf1_empty() -{ - return (readbuf1.bh_first.b_next == NULL); -} - -/* - * Set a typeahead character that won't be flushed. - */ -void typeahead_noflush(int c) -{ - typeahead_char = c; -} - -/* - * Remove the contents of the stuff buffer and the mapped characters in the - * typeahead buffer (used in case of an error). If "flush_typeahead" is true, - * flush all typeahead characters (used when interrupted by a CTRL-C). - */ -void flush_buffers(int flush_typeahead) -{ - init_typebuf(); - - start_stuff(); - while (read_readbuffers(TRUE) != NUL) { - } - - if (flush_typeahead) { /* remove all typeahead */ - /* - * We have to get all characters, because we may delete the first part - * of an escape sequence. - * In an xterm we get one char at a time and we have to get them all. - */ - while (inchar(typebuf.tb_buf, typebuf.tb_buflen - 1, 10L, - typebuf.tb_change_cnt) != 0) - ; - typebuf.tb_off = MAXMAPLEN; - typebuf.tb_len = 0; - } else { /* remove mapped characters at the start only */ - typebuf.tb_off += typebuf.tb_maplen; - typebuf.tb_len -= typebuf.tb_maplen; - } - typebuf.tb_maplen = 0; - typebuf.tb_silent = 0; - cmd_silent = FALSE; - typebuf.tb_no_abbr_cnt = 0; -} - -/* - * The previous contents of the redo buffer is kept in old_redobuffer. - * This is used for the CTRL-O <.> command in insert mode. - */ -void ResetRedobuff(void) -{ - if (!block_redo) { - free_buff(&old_redobuff); - old_redobuff = redobuff; - redobuff.bh_first.b_next = NULL; - } -} - -/* - * Discard the contents of the redo buffer and restore the previous redo - * buffer. - */ -void CancelRedo(void) -{ - if (!block_redo) { - free_buff(&redobuff); - redobuff = old_redobuff; - old_redobuff.bh_first.b_next = NULL; - start_stuff(); - while (read_readbuffers(TRUE) != NUL) { - } - } -} - -/* - * Save redobuff and old_redobuff to save_redobuff and save_old_redobuff. - * Used before executing autocommands and user functions. - */ -static int save_level = 0; - -void saveRedobuff(void) -{ - char_u *s; - - if (save_level++ == 0) { - save_redobuff = redobuff; - redobuff.bh_first.b_next = NULL; - save_old_redobuff = old_redobuff; - old_redobuff.bh_first.b_next = NULL; - - /* Make a copy, so that ":normal ." in a function works. */ - s = get_buffcont(&save_redobuff, FALSE); - if (s != NULL) { - add_buff(&redobuff, s, -1L); - free(s); - } - } -} - -/* - * Restore redobuff and old_redobuff from save_redobuff and save_old_redobuff. - * Used after executing autocommands and user functions. - */ -void restoreRedobuff(void) -{ - if (--save_level == 0) { - free_buff(&redobuff); - redobuff = save_redobuff; - free_buff(&old_redobuff); - old_redobuff = save_old_redobuff; - } -} - -/* - * Append "s" to the redo buffer. - * K_SPECIAL and CSI should already have been escaped. - */ -void AppendToRedobuff(char_u *s) -{ - if (!block_redo) - add_buff(&redobuff, s, -1L); -} - -/* - * Append to Redo buffer literally, escaping special characters with CTRL-V. - * K_SPECIAL and CSI are escaped as well. - */ -void -AppendToRedobuffLit ( - char_u *str, - int len /* length of "str" or -1 for up to the NUL */ -) -{ - char_u *s = str; - int c; - char_u *start; - - if (block_redo) - return; - - while (len < 0 ? *s != NUL : s - str < len) { - /* Put a string of normal characters in the redo buffer (that's - * faster). */ - start = s; - while (*s >= ' ' - && *s < DEL /* EBCDIC: all chars above space are normal */ - && (len < 0 || s - str < len)) - ++s; - - /* Don't put '0' or '^' as last character, just in case a CTRL-D is - * typed next. */ - if (*s == NUL && (s[-1] == '0' || s[-1] == '^')) - --s; - if (s > start) - add_buff(&redobuff, start, (long)(s - start)); - - if (*s == NUL || (len >= 0 && s - str >= len)) - break; - - /* Handle a special or multibyte character. */ - if (has_mbyte) - /* Handle composing chars separately. */ - c = mb_cptr2char_adv(&s); - else - c = *s++; - if (c < ' ' || c == DEL || (*s == NUL && (c == '0' || c == '^'))) - add_char_buff(&redobuff, Ctrl_V); - - /* CTRL-V '0' must be inserted as CTRL-V 048 (EBCDIC: xf0) */ - if (*s == NUL && c == '0') - add_buff(&redobuff, (char_u *)"048", 3L); - else - add_char_buff(&redobuff, c); - } -} - -/* - * Append a character to the redo buffer. - * Translates special keys, NUL, CSI, K_SPECIAL and multibyte characters. - */ -void AppendCharToRedobuff(int c) -{ - if (!block_redo) - add_char_buff(&redobuff, c); -} - -/* - * Append a number to the redo buffer. - */ -void AppendNumberToRedobuff(long n) -{ - if (!block_redo) - add_num_buff(&redobuff, n); -} - -/* - * Append string "s" to the stuff buffer. - * CSI and K_SPECIAL must already have been escaped. - */ -void stuffReadbuff(char_u *s) -{ - add_buff(&readbuf1, s, -1L); -} - -void stuffReadbuffLen(char_u *s, long len) -{ - add_buff(&readbuf1, s, len); -} - -/* - * Stuff "s" into the stuff buffer, leaving special key codes unmodified and - * escaping other K_SPECIAL and CSI bytes. - * Change CR, LF and ESC into a space. - */ -void stuffReadbuffSpec(char_u *s) -{ - int c; - - while (*s != NUL) { - if (*s == K_SPECIAL && s[1] != NUL && s[2] != NUL) { - /* Insert special key literally. */ - stuffReadbuffLen(s, 3L); - s += 3; - } else { - c = mb_ptr2char_adv(&s); - if (c == CAR || c == NL || c == ESC) - c = ' '; - stuffcharReadbuff(c); - } - } -} - -/* - * Append a character to the stuff buffer. - * Translates special keys, NUL, CSI, K_SPECIAL and multibyte characters. - */ -void stuffcharReadbuff(int c) -{ - add_char_buff(&readbuf1, c); -} - -/* - * Append a number to the stuff buffer. - */ -void stuffnumReadbuff(long n) -{ - add_num_buff(&readbuf1, n); -} - -/* - * Read a character from the redo buffer. Translates K_SPECIAL, CSI and - * multibyte characters. - * The redo buffer is left as it is. - * If init is TRUE, prepare for redo, return FAIL if nothing to redo, OK - * otherwise. - * If old is TRUE, use old_redobuff instead of redobuff. - */ -static int read_redo(int init, int old_redo) -{ - static buffblock_T *bp; - static char_u *p; - int c; - int n; - char_u buf[MB_MAXBYTES + 1]; - int i; - - if (init) { - if (old_redo) - bp = old_redobuff.bh_first.b_next; - else - bp = redobuff.bh_first.b_next; - if (bp == NULL) - return FAIL; - p = bp->b_str; - return OK; - } - if ((c = *p) != NUL) { - /* Reverse the conversion done by add_char_buff() */ - /* For a multi-byte character get all the bytes and return the - * converted character. */ - if (has_mbyte && (c != K_SPECIAL || p[1] == KS_SPECIAL)) - n = MB_BYTE2LEN_CHECK(c); - else - n = 1; - for (i = 0;; ++i) { - if (c == K_SPECIAL) { /* special key or escaped K_SPECIAL */ - c = TO_SPECIAL(p[1], p[2]); - p += 2; - } - if (*++p == NUL && bp->b_next != NULL) { - bp = bp->b_next; - p = bp->b_str; - } - buf[i] = c; - if (i == n - 1) { /* last byte of a character */ - if (n != 1) - c = (*mb_ptr2char)(buf); - break; - } - c = *p; - if (c == NUL) /* cannot happen? */ - break; - } - } - - return c; -} - -/* - * Copy the rest of the redo buffer into the stuff buffer (in a slow way). - * If old_redo is TRUE, use old_redobuff instead of redobuff. - * The escaped K_SPECIAL and CSI are copied without translation. - */ -static void copy_redo(int old_redo) -{ - int c; - - while ((c = read_redo(FALSE, old_redo)) != NUL) { - add_char_buff(&readbuf2, c); - } -} - -/* - * Stuff the redo buffer into readbuf2. - * Insert the redo count into the command. - * If "old_redo" is TRUE, the last but one command is repeated - * instead of the last command (inserting text). This is used for - * CTRL-O <.> in insert mode - * - * return FAIL for failure, OK otherwise - */ -int start_redo(long count, int old_redo) -{ - int c; - - /* init the pointers; return if nothing to redo */ - if (read_redo(TRUE, old_redo) == FAIL) - return FAIL; - - c = read_redo(FALSE, old_redo); - - /* copy the buffer name, if present */ - if (c == '"') { - add_buff(&readbuf2, (char_u *)"\"", 1L); - c = read_redo(FALSE, old_redo); - - /* if a numbered buffer is used, increment the number */ - if (c >= '1' && c < '9') - ++c; - add_char_buff(&readbuf2, c); - c = read_redo(FALSE, old_redo); - } - - if (c == 'v') { /* redo Visual */ - VIsual = curwin->w_cursor; - VIsual_active = TRUE; - VIsual_select = FALSE; - VIsual_reselect = TRUE; - redo_VIsual_busy = TRUE; - c = read_redo(FALSE, old_redo); - } - - /* try to enter the count (in place of a previous count) */ - if (count) { - while (VIM_ISDIGIT(c)) /* skip "old" count */ - c = read_redo(FALSE, old_redo); - add_num_buff(&readbuf2, count); - } - - /* copy from the redo buffer into the stuff buffer */ - add_char_buff(&readbuf2, c); - copy_redo(old_redo); - return OK; -} - -/* - * Repeat the last insert (R, o, O, a, A, i or I command) by stuffing - * the redo buffer into readbuf2. - * return FAIL for failure, OK otherwise - */ -int start_redo_ins(void) -{ - int c; - - if (read_redo(TRUE, FALSE) == FAIL) - return FAIL; - start_stuff(); - - /* skip the count and the command character */ - while ((c = read_redo(FALSE, FALSE)) != NUL) { - if (vim_strchr((char_u *)"AaIiRrOo", c) != NULL) { - if (c == 'O' || c == 'o') { - add_buff(&readbuf2, NL_STR, -1L); - } - break; - } - } - - /* copy the typed text from the redo buffer into the stuff buffer */ - copy_redo(FALSE); - block_redo = TRUE; - return OK; -} - -void stop_redo_ins(void) -{ - block_redo = FALSE; -} - -/* - * Initialize typebuf.tb_buf to point to typebuf_init. - * alloc() cannot be used here: In out-of-memory situations it would - * be impossible to type anything. - */ -static void init_typebuf(void) -{ - if (typebuf.tb_buf == NULL) { - typebuf.tb_buf = typebuf_init; - typebuf.tb_noremap = noremapbuf_init; - typebuf.tb_buflen = TYPELEN_INIT; - typebuf.tb_len = 0; - typebuf.tb_off = 0; - typebuf.tb_change_cnt = 1; - } -} - -/* - * insert a string in position 'offset' in the typeahead buffer (for "@r" - * and ":normal" command, vgetorpeek() and check_termcode()) - * - * If noremap is REMAP_YES, new string can be mapped again. - * If noremap is REMAP_NONE, new string cannot be mapped again. - * If noremap is REMAP_SKIP, fist char of new string cannot be mapped again, - * but abbreviations are allowed. - * If noremap is REMAP_SCRIPT, new string cannot be mapped again, except for - * script-local mappings. - * If noremap is > 0, that many characters of the new string cannot be mapped. - * - * If nottyped is TRUE, the string does not return KeyTyped (don't use when - * offset is non-zero!). - * - * If silent is TRUE, cmd_silent is set when the characters are obtained. - * - * return FAIL for failure, OK otherwise - */ -int ins_typebuf(char_u *str, int noremap, int offset, int nottyped, int silent) -{ - char_u *s1, *s2; - int newlen; - int addlen; - int i; - int newoff; - int val; - int nrm; - - init_typebuf(); - if (++typebuf.tb_change_cnt == 0) - typebuf.tb_change_cnt = 1; - - addlen = (int)STRLEN(str); - - /* - * Easy case: there is room in front of typebuf.tb_buf[typebuf.tb_off] - */ - if (offset == 0 && addlen <= typebuf.tb_off) { - typebuf.tb_off -= addlen; - memmove(typebuf.tb_buf + typebuf.tb_off, str, (size_t)addlen); - } - /* - * Need to allocate a new buffer. - * In typebuf.tb_buf there must always be room for 3 * MAXMAPLEN + 4 - * characters. We add some extra room to avoid having to allocate too - * often. - */ - else { - newoff = MAXMAPLEN + 4; - newlen = typebuf.tb_len + addlen + newoff + 4 * (MAXMAPLEN + 4); - if (newlen < 0) { /* string is getting too long */ - EMSG(_(e_toocompl)); /* also calls flush_buffers */ - setcursor(); - return FAIL; - } - s1 = alloc(newlen); - if (s1 == NULL) /* out of memory */ - return FAIL; - s2 = alloc(newlen); - if (s2 == NULL) { /* out of memory */ - free(s1); - return FAIL; - } - typebuf.tb_buflen = newlen; - - /* copy the old chars, before the insertion point */ - memmove(s1 + newoff, typebuf.tb_buf + typebuf.tb_off, - (size_t)offset); - /* copy the new chars */ - memmove(s1 + newoff + offset, str, (size_t)addlen); - /* copy the old chars, after the insertion point, including the NUL at - * the end */ - memmove(s1 + newoff + offset + addlen, - typebuf.tb_buf + typebuf.tb_off + offset, - (size_t)(typebuf.tb_len - offset + 1)); - if (typebuf.tb_buf != typebuf_init) - free(typebuf.tb_buf); - typebuf.tb_buf = s1; - - memmove(s2 + newoff, typebuf.tb_noremap + typebuf.tb_off, - (size_t)offset); - memmove(s2 + newoff + offset + addlen, - typebuf.tb_noremap + typebuf.tb_off + offset, - (size_t)(typebuf.tb_len - offset)); - if (typebuf.tb_noremap != noremapbuf_init) - free(typebuf.tb_noremap); - typebuf.tb_noremap = s2; - - typebuf.tb_off = newoff; - } - typebuf.tb_len += addlen; - - /* If noremap == REMAP_SCRIPT: do remap script-local mappings. */ - if (noremap == REMAP_SCRIPT) - val = RM_SCRIPT; - else if (noremap == REMAP_SKIP) - val = RM_ABBR; - else - val = RM_NONE; - - /* - * Adjust typebuf.tb_noremap[] for the new characters: - * If noremap == REMAP_NONE or REMAP_SCRIPT: new characters are - * (sometimes) not remappable - * If noremap == REMAP_YES: all the new characters are mappable - * If noremap > 0: "noremap" characters are not remappable, the rest - * mappable - */ - if (noremap == REMAP_SKIP) - nrm = 1; - else if (noremap < 0) - nrm = addlen; - else - nrm = noremap; - for (i = 0; i < addlen; ++i) - typebuf.tb_noremap[typebuf.tb_off + i + offset] = - (--nrm >= 0) ? val : RM_YES; - - /* tb_maplen and tb_silent only remember the length of mapped and/or - * silent mappings at the start of the buffer, assuming that a mapped - * sequence doesn't result in typed characters. */ - if (nottyped || typebuf.tb_maplen > offset) - typebuf.tb_maplen += addlen; - if (silent || typebuf.tb_silent > offset) { - typebuf.tb_silent += addlen; - cmd_silent = TRUE; - } - if (typebuf.tb_no_abbr_cnt && offset == 0) /* and not used for abbrev.s */ - typebuf.tb_no_abbr_cnt += addlen; - - return OK; -} - -/* - * Put character "c" back into the typeahead buffer. - * Can be used for a character obtained by vgetc() that needs to be put back. - * Uses cmd_silent, KeyTyped and KeyNoremap to restore the flags belonging to - * the char. - */ -void ins_char_typebuf(int c) -{ - char_u buf[MB_MAXBYTES + 1]; - if (IS_SPECIAL(c)) { - buf[0] = K_SPECIAL; - buf[1] = K_SECOND(c); - buf[2] = K_THIRD(c); - buf[3] = NUL; - } else { - buf[(*mb_char2bytes)(c, buf)] = NUL; - } - (void)ins_typebuf(buf, KeyNoremap, 0, !KeyTyped, cmd_silent); -} - -/* - * Return TRUE if the typeahead buffer was changed (while waiting for a - * character to arrive). Happens when a message was received from a client or - * from feedkeys(). - * But check in a more generic way to avoid trouble: When "typebuf.tb_buf" - * changed it was reallocated and the old pointer can no longer be used. - * Or "typebuf.tb_off" may have been changed and we would overwrite characters - * that was just added. - */ -int -typebuf_changed ( - int tb_change_cnt /* old value of typebuf.tb_change_cnt */ -) -{ - return tb_change_cnt != 0 && (typebuf.tb_change_cnt != tb_change_cnt - || typebuf_was_filled - ); -} - -/* - * Return TRUE if there are no characters in the typeahead buffer that have - * not been typed (result from a mapping or come from ":normal"). - */ -int typebuf_typed(void) -{ - return typebuf.tb_maplen == 0; -} - -/* - * Return the number of characters that are mapped (or not typed). - */ -int typebuf_maplen(void) -{ - return typebuf.tb_maplen; -} - -/* - * remove "len" characters from typebuf.tb_buf[typebuf.tb_off + offset] - */ -void del_typebuf(int len, int offset) -{ - int i; - - if (len == 0) - return; /* nothing to do */ - - typebuf.tb_len -= len; - - /* - * Easy case: Just increase typebuf.tb_off. - */ - if (offset == 0 && typebuf.tb_buflen - (typebuf.tb_off + len) - >= 3 * MAXMAPLEN + 3) - typebuf.tb_off += len; - /* - * Have to move the characters in typebuf.tb_buf[] and typebuf.tb_noremap[] - */ - else { - i = typebuf.tb_off + offset; - /* - * Leave some extra room at the end to avoid reallocation. - */ - if (typebuf.tb_off > MAXMAPLEN) { - memmove(typebuf.tb_buf + MAXMAPLEN, - typebuf.tb_buf + typebuf.tb_off, (size_t)offset); - memmove(typebuf.tb_noremap + MAXMAPLEN, - typebuf.tb_noremap + typebuf.tb_off, (size_t)offset); - typebuf.tb_off = MAXMAPLEN; - } - /* adjust typebuf.tb_buf (include the NUL at the end) */ - memmove(typebuf.tb_buf + typebuf.tb_off + offset, - typebuf.tb_buf + i + len, - (size_t)(typebuf.tb_len - offset + 1)); - /* adjust typebuf.tb_noremap[] */ - memmove(typebuf.tb_noremap + typebuf.tb_off + offset, - typebuf.tb_noremap + i + len, - (size_t)(typebuf.tb_len - offset)); - } - - if (typebuf.tb_maplen > offset) { /* adjust tb_maplen */ - if (typebuf.tb_maplen < offset + len) - typebuf.tb_maplen = offset; - else - typebuf.tb_maplen -= len; - } - if (typebuf.tb_silent > offset) { /* adjust tb_silent */ - if (typebuf.tb_silent < offset + len) - typebuf.tb_silent = offset; - else - typebuf.tb_silent -= len; - } - if (typebuf.tb_no_abbr_cnt > offset) { /* adjust tb_no_abbr_cnt */ - if (typebuf.tb_no_abbr_cnt < offset + len) - typebuf.tb_no_abbr_cnt = offset; - else - typebuf.tb_no_abbr_cnt -= len; - } - - /* Reset the flag that text received from a client or from feedkeys() - * was inserted in the typeahead buffer. */ - typebuf_was_filled = FALSE; - if (++typebuf.tb_change_cnt == 0) - typebuf.tb_change_cnt = 1; -} - -/* - * Write typed characters to script file. - * If recording is on put the character in the recordbuffer. - */ -static void gotchars(char_u *chars, int len) -{ - char_u *s = chars; - int c; - char_u buf[2]; - int todo = len; - - /* remember how many chars were last recorded */ - if (Recording) - last_recorded_len += len; - - buf[1] = NUL; - while (todo--) { - /* Handle one byte at a time; no translation to be done. */ - c = *s++; - updatescript(c); - - if (Recording) { - buf[0] = c; - add_buff(&recordbuff, buf, 1L); - } - } - may_sync_undo(); - - /* output "debug mode" message next time in debug mode */ - debug_did_msg = FALSE; - - /* Since characters have been typed, consider the following to be in - * another mapping. Search string will be kept in history. */ - ++maptick; -} - -/* - * Sync undo. Called when typed characters are obtained from the typeahead - * buffer, or when a menu is used. - * Do not sync: - * - In Insert mode, unless cursor key has been used. - * - While reading a script file. - * - When no_u_sync is non-zero. - */ -static void may_sync_undo(void) -{ - if ((!(State & (INSERT + CMDLINE)) || arrow_used) - && scriptin[curscript] == NULL) - u_sync(FALSE); -} - -/* - * Make "typebuf" empty and allocate new buffers. - * Returns FAIL when out of memory. - */ -int alloc_typebuf(void) -{ - typebuf.tb_buf = alloc(TYPELEN_INIT); - typebuf.tb_noremap = alloc(TYPELEN_INIT); - if (typebuf.tb_buf == NULL || typebuf.tb_noremap == NULL) { - free_typebuf(); - return FAIL; - } - typebuf.tb_buflen = TYPELEN_INIT; - typebuf.tb_off = 0; - typebuf.tb_len = 0; - typebuf.tb_maplen = 0; - typebuf.tb_silent = 0; - typebuf.tb_no_abbr_cnt = 0; - if (++typebuf.tb_change_cnt == 0) - typebuf.tb_change_cnt = 1; - return OK; -} - -/* - * Free the buffers of "typebuf". - */ -void free_typebuf(void) -{ - if (typebuf.tb_buf == typebuf_init) - EMSG2(_(e_intern2), "Free typebuf 1"); - else - free(typebuf.tb_buf); - if (typebuf.tb_noremap == noremapbuf_init) - EMSG2(_(e_intern2), "Free typebuf 2"); - else - free(typebuf.tb_noremap); -} - -/* - * When doing ":so! file", the current typeahead needs to be saved, and - * restored when "file" has been read completely. - */ -static typebuf_T saved_typebuf[NSCRIPT]; - -int save_typebuf(void) -{ - init_typebuf(); - saved_typebuf[curscript] = typebuf; - /* If out of memory: restore typebuf and close file. */ - if (alloc_typebuf() == FAIL) { - closescript(); - return FAIL; - } - return OK; -} - -static int old_char = -1; /* character put back by vungetc() */ -static int old_mod_mask; /* mod_mask for ungotten character */ -static int old_mouse_row; /* mouse_row related to old_char */ -static int old_mouse_col; /* mouse_col related to old_char */ - - -/* - * Save all three kinds of typeahead, so that the user must type at a prompt. - */ -void save_typeahead(tasave_T *tp) -{ - tp->save_typebuf = typebuf; - tp->typebuf_valid = (alloc_typebuf() == OK); - if (!tp->typebuf_valid) - typebuf = tp->save_typebuf; - - tp->old_char = old_char; - tp->old_mod_mask = old_mod_mask; - old_char = -1; - - tp->save_readbuf1 = readbuf1; - readbuf1.bh_first.b_next = NULL; - tp->save_readbuf2 = readbuf2; - readbuf2.bh_first.b_next = NULL; -# ifdef USE_INPUT_BUF - tp->save_inputbuf = get_input_buf(); -# endif -} - -/* - * Restore the typeahead to what it was before calling save_typeahead(). - * The allocated memory is freed, can only be called once! - */ -void restore_typeahead(tasave_T *tp) -{ - if (tp->typebuf_valid) { - free_typebuf(); - typebuf = tp->save_typebuf; - } - - old_char = tp->old_char; - old_mod_mask = tp->old_mod_mask; - - free_buff(&readbuf1); - readbuf1 = tp->save_readbuf1; - free_buff(&readbuf2); - readbuf2 = tp->save_readbuf2; -# ifdef USE_INPUT_BUF - set_input_buf(tp->save_inputbuf); -# endif -} - -/* - * Open a new script file for the ":source!" command. - */ -void -openscript ( - char_u *name, - int directly /* when TRUE execute directly */ -) -{ - if (curscript + 1 == NSCRIPT) { - EMSG(_(e_nesting)); - return; - } - if (ignore_script) - /* Not reading from script, also don't open one. Warning message? */ - return; - - if (scriptin[curscript] != NULL) /* already reading script */ - ++curscript; - /* use NameBuff for expanded name */ - expand_env(name, NameBuff, MAXPATHL); - if ((scriptin[curscript] = mch_fopen((char *)NameBuff, READBIN)) == NULL) { - EMSG2(_(e_notopen), name); - if (curscript) - --curscript; - return; - } - if (save_typebuf() == FAIL) - return; - - /* - * Execute the commands from the file right now when using ":source!" - * after ":global" or ":argdo" or in a loop. Also when another command - * follows. This means the display won't be updated. Don't do this - * always, "make test" would fail. - */ - if (directly) { - oparg_T oa; - int oldcurscript; - int save_State = State; - int save_restart_edit = restart_edit; - int save_insertmode = p_im; - int save_finish_op = finish_op; - int save_msg_scroll = msg_scroll; - - State = NORMAL; - msg_scroll = FALSE; /* no msg scrolling in Normal mode */ - restart_edit = 0; /* don't go to Insert mode */ - p_im = FALSE; /* don't use 'insertmode' */ - clear_oparg(&oa); - finish_op = FALSE; - - oldcurscript = curscript; - do { - update_topline_cursor(); /* update cursor position and topline */ - normal_cmd(&oa, FALSE); /* execute one command */ - vpeekc(); /* check for end of file */ - } while (scriptin[oldcurscript] != NULL); - - State = save_State; - msg_scroll = save_msg_scroll; - restart_edit = save_restart_edit; - p_im = save_insertmode; - finish_op = save_finish_op; - } -} - -/* - * Close the currently active input script. - */ -static void closescript(void) -{ - free_typebuf(); - typebuf = saved_typebuf[curscript]; - - fclose(scriptin[curscript]); - scriptin[curscript] = NULL; - if (curscript > 0) - --curscript; -} - -#if defined(EXITFREE) || defined(PROTO) -void close_all_scripts(void) -{ - while (scriptin[0] != NULL) - closescript(); -} - -#endif - -/* - * Return TRUE when reading keys from a script file. - */ -int using_script(void) -{ - return scriptin[curscript] != NULL; -} - -/* - * This function is called just before doing a blocking wait. Thus after - * waiting 'updatetime' for a character to arrive. - */ -void before_blocking(void) -{ - updatescript(0); - if (may_garbage_collect) - garbage_collect(); -} - -/* - * updatescipt() is called when a character can be written into the script file - * or when we have waited some time for a character (c == 0) - * - * All the changed memfiles are synced if c == 0 or when the number of typed - * characters reaches 'updatecount' and 'updatecount' is non-zero. - */ -void updatescript(int c) -{ - static int count = 0; - - if (c && scriptout) - putc(c, scriptout); - if (c == 0 || (p_uc > 0 && ++count >= p_uc)) { - ml_sync_all(c == 0, TRUE); - count = 0; - } -} - -/* - * Get the next input character. - * Can return a special key or a multi-byte character. - * Can return NUL when called recursively, use safe_vgetc() if that's not - * wanted. - * This translates escaped K_SPECIAL and CSI bytes to a K_SPECIAL or CSI byte. - * Collects the bytes of a multibyte character into the whole character. - * Returns the modifiers in the global "mod_mask". - */ -int vgetc(void) -{ - int c, c2; - int n; - char_u buf[MB_MAXBYTES + 1]; - int i; - - /* Do garbage collection when garbagecollect() was called previously and - * we are now at the toplevel. */ - if (may_garbage_collect && want_garbage_collect) - garbage_collect(); - - /* - * If a character was put back with vungetc, it was already processed. - * Return it directly. - */ - if (old_char != -1) { - c = old_char; - old_char = -1; - mod_mask = old_mod_mask; - mouse_row = old_mouse_row; - mouse_col = old_mouse_col; - } else { - mod_mask = 0x0; - last_recorded_len = 0; - for (;; ) { /* this is done twice if there are modifiers */ - if (mod_mask) { /* no mapping after modifier has been read */ - ++no_mapping; - ++allow_keys; - } - c = vgetorpeek(TRUE); - if (mod_mask) { - --no_mapping; - --allow_keys; - } - - /* Get two extra bytes for special keys */ - if (c == K_SPECIAL - ) { - int save_allow_keys = allow_keys; - - ++no_mapping; - allow_keys = 0; /* make sure BS is not found */ - c2 = vgetorpeek(TRUE); /* no mapping for these chars */ - c = vgetorpeek(TRUE); - --no_mapping; - allow_keys = save_allow_keys; - if (c2 == KS_MODIFIER) { - mod_mask = c; - continue; - } - c = TO_SPECIAL(c2, c); - - } - - /* a keypad or special function key was not mapped, use it like - * its ASCII equivalent */ - switch (c) { - case K_KPLUS: c = '+'; break; - case K_KMINUS: c = '-'; break; - case K_KDIVIDE: c = '/'; break; - case K_KMULTIPLY: c = '*'; break; - case K_KENTER: c = CAR; break; - case K_KPOINT: - c = '.'; break; - case K_K0: c = '0'; break; - case K_K1: c = '1'; break; - case K_K2: c = '2'; break; - case K_K3: c = '3'; break; - case K_K4: c = '4'; break; - case K_K5: c = '5'; break; - case K_K6: c = '6'; break; - case K_K7: c = '7'; break; - case K_K8: c = '8'; break; - case K_K9: c = '9'; break; - - case K_XHOME: - case K_ZHOME: if (mod_mask == MOD_MASK_SHIFT) { - c = K_S_HOME; - mod_mask = 0; - } else if (mod_mask == MOD_MASK_CTRL) { - c = K_C_HOME; - mod_mask = 0; - } else - c = K_HOME; - break; - case K_XEND: - case K_ZEND: if (mod_mask == MOD_MASK_SHIFT) { - c = K_S_END; - mod_mask = 0; - } else if (mod_mask == MOD_MASK_CTRL) { - c = K_C_END; - mod_mask = 0; - } else - c = K_END; - break; - - case K_XUP: c = K_UP; break; - case K_XDOWN: c = K_DOWN; break; - case K_XLEFT: c = K_LEFT; break; - case K_XRIGHT: c = K_RIGHT; break; - } - - /* For a multi-byte character get all the bytes and return the - * converted character. - * Note: This will loop until enough bytes are received! - */ - if (has_mbyte && (n = MB_BYTE2LEN_CHECK(c)) > 1) { - ++no_mapping; - buf[0] = c; - for (i = 1; i < n; ++i) { - buf[i] = vgetorpeek(TRUE); - if (buf[i] == K_SPECIAL - ) { - /* Must be a K_SPECIAL - KS_SPECIAL - KE_FILLER sequence, - * which represents a K_SPECIAL (0x80), - * or a CSI - KS_EXTRA - KE_CSI sequence, which represents - * a CSI (0x9B), - * of a K_SPECIAL - KS_EXTRA - KE_CSI, which is CSI too. */ - c = vgetorpeek(TRUE); - if (vgetorpeek(TRUE) == (int)KE_CSI && c == KS_EXTRA) - buf[i] = CSI; - } - } - --no_mapping; - c = (*mb_ptr2char)(buf); - } - - break; - } - } - - /* - * In the main loop "may_garbage_collect" can be set to do garbage - * collection in the first next vgetc(). It's disabled after that to - * avoid internally used Lists and Dicts to be freed. - */ - may_garbage_collect = FALSE; - - return c; -} - -/* - * Like vgetc(), but never return a NUL when called recursively, get a key - * directly from the user (ignoring typeahead). - */ -int safe_vgetc(void) -{ - int c; - - c = vgetc(); - if (c == NUL) - c = get_keystroke(); - return c; -} - -/* - * Like safe_vgetc(), but loop to handle K_IGNORE. - * Also ignore scrollbar events. - */ -int plain_vgetc(void) -{ - int c; - - do { - c = safe_vgetc(); - } while (c == K_IGNORE || c == K_VER_SCROLLBAR || c == K_HOR_SCROLLBAR); - return c; -} - -/* - * Check if a character is available, such that vgetc() will not block. - * If the next character is a special character or multi-byte, the returned - * character is not valid!. - */ -int vpeekc(void) -{ - if (old_char != -1) - return old_char; - return vgetorpeek(FALSE); -} - -/* - * Like vpeekc(), but don't allow mapping. Do allow checking for terminal - * codes. - */ -int vpeekc_nomap(void) -{ - int c; - - ++no_mapping; - ++allow_keys; - c = vpeekc(); - --no_mapping; - --allow_keys; - return c; -} - -/* - * Check if any character is available, also half an escape sequence. - * Trick: when no typeahead found, but there is something in the typeahead - * buffer, it must be an ESC that is recognized as the start of a key code. - */ -int vpeekc_any(void) -{ - int c; - - c = vpeekc(); - if (c == NUL && typebuf.tb_len > 0) - c = ESC; - return c; -} - -/* - * Call vpeekc() without causing anything to be mapped. - * Return TRUE if a character is available, FALSE otherwise. - */ -int char_avail(void) -{ - int retval; - - ++no_mapping; - retval = vpeekc(); - --no_mapping; - return retval != NUL; -} - -void -vungetc ( /* unget one character (can only be done once!) */ - int c -) -{ - old_char = c; - old_mod_mask = mod_mask; - old_mouse_row = mouse_row; - old_mouse_col = mouse_col; -} - -/* - * get a character: - * 1. from the stuffbuffer - * This is used for abbreviated commands like "D" -> "d$". - * Also used to redo a command for ".". - * 2. from the typeahead buffer - * Stores text obtained previously but not used yet. - * Also stores the result of mappings. - * Also used for the ":normal" command. - * 3. from the user - * This may do a blocking wait if "advance" is TRUE. - * - * if "advance" is TRUE (vgetc()): - * really get the character. - * KeyTyped is set to TRUE in the case the user typed the key. - * KeyStuffed is TRUE if the character comes from the stuff buffer. - * if "advance" is FALSE (vpeekc()): - * just look whether there is a character available. - * - * When "no_mapping" is zero, checks for mappings in the current mode. - * Only returns one byte (of a multi-byte character). - * K_SPECIAL and CSI may be escaped, need to get two more bytes then. - */ -static int vgetorpeek(int advance) -{ - int c, c1; - int keylen; - char_u *s; - mapblock_T *mp; - mapblock_T *mp2; - mapblock_T *mp_match; - int mp_match_len = 0; - int timedout = FALSE; /* waited for more than 1 second - for mapping to complete */ - int mapdepth = 0; /* check for recursive mapping */ - int mode_deleted = FALSE; /* set when mode has been deleted */ - int local_State; - int mlen; - int max_mlen; - int i; - int new_wcol, new_wrow; - int n; - int nolmaplen; - int old_wcol, old_wrow; - int wait_tb_len; - - /* - * This function doesn't work very well when called recursively. This may - * happen though, because of: - * 1. The call to add_to_showcmd(). char_avail() is then used to check if - * there is a character available, which calls this function. In that - * case we must return NUL, to indicate no character is available. - * 2. A GUI callback function writes to the screen, causing a - * wait_return(). - * Using ":normal" can also do this, but it saves the typeahead buffer, - * thus it should be OK. But don't get a key from the user then. - */ - if (vgetc_busy > 0 - && ex_normal_busy == 0 - ) - return NUL; - - local_State = get_real_state(); - - ++vgetc_busy; - - if (advance) - KeyStuffed = FALSE; - - init_typebuf(); - start_stuff(); - if (advance && typebuf.tb_maplen == 0) - Exec_reg = FALSE; - do { - /* - * get a character: 1. from the stuffbuffer - */ - if (typeahead_char != 0) { - c = typeahead_char; - if (advance) - typeahead_char = 0; - } else { - c = read_readbuffers(advance); - } - if (c != NUL && !got_int) { - if (advance) { - /* KeyTyped = FALSE; When the command that stuffed something - * was typed, behave like the stuffed command was typed. - * needed for CTRL-W CTRl-] to open a fold, for example. */ - KeyStuffed = TRUE; - } - if (typebuf.tb_no_abbr_cnt == 0) - typebuf.tb_no_abbr_cnt = 1; /* no abbreviations now */ - } else { - /* - * Loop until we either find a matching mapped key, or we - * are sure that it is not a mapped key. - * If a mapped key sequence is found we go back to the start to - * try re-mapping. - */ - for (;; ) { - /* - * ui_breakcheck() is slow, don't use it too often when - * inside a mapping. But call it each time for typed - * characters. - */ - if (typebuf.tb_maplen) - line_breakcheck(); - else - ui_breakcheck(); /* check for CTRL-C */ - keylen = 0; - if (got_int) { - /* flush all input */ - c = inchar(typebuf.tb_buf, typebuf.tb_buflen - 1, 0L, - typebuf.tb_change_cnt); - /* - * If inchar() returns TRUE (script file was active) or we - * are inside a mapping, get out of insert mode. - * Otherwise we behave like having gotten a CTRL-C. - * As a result typing CTRL-C in insert mode will - * really insert a CTRL-C. - */ - if ((c || typebuf.tb_maplen) - && (State & (INSERT + CMDLINE))) - c = ESC; - else - c = Ctrl_C; - flush_buffers(TRUE); /* flush all typeahead */ - - if (advance) { - /* Also record this character, it might be needed to - * get out of Insert mode. */ - *typebuf.tb_buf = c; - gotchars(typebuf.tb_buf, 1); - } - cmd_silent = FALSE; - - break; - } else if (typebuf.tb_len > 0) { - /* - * Check for a mappable key sequence. - * Walk through one maphash[] list until we find an - * entry that matches. - * - * Don't look for mappings if: - * - no_mapping set: mapping disabled (e.g. for CTRL-V) - * - maphash_valid not set: no mappings present. - * - typebuf.tb_buf[typebuf.tb_off] should not be remapped - * - in insert or cmdline mode and 'paste' option set - * - waiting for "hit return to continue" and CR or SPACE - * typed - * - waiting for a char with --more-- - * - in Ctrl-X mode, and we get a valid char for that mode - */ - mp = NULL; - max_mlen = 0; - c1 = typebuf.tb_buf[typebuf.tb_off]; - if (no_mapping == 0 && maphash_valid - && (no_zero_mapping == 0 || c1 != '0') - && (typebuf.tb_maplen == 0 - || (p_remap - && (typebuf.tb_noremap[typebuf.tb_off] - & (RM_NONE|RM_ABBR)) == 0)) - && !(p_paste && (State & (INSERT + CMDLINE))) - && !(State == HITRETURN && (c1 == CAR || c1 == ' ')) - && State != ASKMORE - && State != CONFIRM - && !((ctrl_x_mode != 0 && vim_is_ctrl_x_key(c1)) - || ((compl_cont_status & CONT_LOCAL) - && (c1 == Ctrl_N || c1 == Ctrl_P))) - ) { - if (c1 == K_SPECIAL) - nolmaplen = 2; - else { - LANGMAP_ADJUST(c1, TRUE); - nolmaplen = 0; - } - /* First try buffer-local mappings. */ - mp = curbuf->b_maphash[MAP_HASH(local_State, c1)]; - mp2 = maphash[MAP_HASH(local_State, c1)]; - if (mp == NULL) { - /* There are no buffer-local mappings. */ - mp = mp2; - mp2 = NULL; - } - /* - * Loop until a partly matching mapping is found or - * all (local) mappings have been checked. - * The longest full match is remembered in "mp_match". - * A full match is only accepted if there is no partly - * match, so "aa" and "aaa" can both be mapped. - */ - mp_match = NULL; - mp_match_len = 0; - for (; mp != NULL; - mp->m_next == NULL ? (mp = mp2, mp2 = NULL) : - (mp = mp->m_next)) { - /* - * Only consider an entry if the first character - * matches and it is for the current state. - * Skip ":lmap" mappings if keys were mapped. - */ - if (mp->m_keys[0] == c1 - && (mp->m_mode & local_State) - && ((mp->m_mode & LANGMAP) == 0 - || typebuf.tb_maplen == 0)) { - int nomap = nolmaplen; - int c2; - /* find the match length of this mapping */ - for (mlen = 1; mlen < typebuf.tb_len; ++mlen) { - c2 = typebuf.tb_buf[typebuf.tb_off + mlen]; - if (nomap > 0) - --nomap; - else if (c2 == K_SPECIAL) - nomap = 2; - else - LANGMAP_ADJUST(c2, TRUE); - if (mp->m_keys[mlen] != c2) - break; - } - - /* Don't allow mapping the first byte(s) of a - * multi-byte char. Happens when mapping - * <M-a> and then changing 'encoding'. Beware - * that 0x80 is escaped. */ - char_u *p1 = mp->m_keys; - char_u *p2 = mb_unescape(&p1); - - if (has_mbyte && p2 != NULL && MB_BYTE2LEN(c1) > MB_PTR2LEN(p2)) - mlen = 0; - /* - * Check an entry whether it matches. - * - Full match: mlen == keylen - * - Partly match: mlen == typebuf.tb_len - */ - keylen = mp->m_keylen; - if (mlen == keylen - || (mlen == typebuf.tb_len - && typebuf.tb_len < keylen)) { - /* - * If only script-local mappings are - * allowed, check if the mapping starts - * with K_SNR. - */ - s = typebuf.tb_noremap + typebuf.tb_off; - if (*s == RM_SCRIPT - && (mp->m_keys[0] != K_SPECIAL - || mp->m_keys[1] != KS_EXTRA - || mp->m_keys[2] - != (int)KE_SNR)) - continue; - /* - * If one of the typed keys cannot be - * remapped, skip the entry. - */ - for (n = mlen; --n >= 0; ) - if (*s++ & (RM_NONE|RM_ABBR)) - break; - if (n >= 0) - continue; - - if (keylen > typebuf.tb_len) { - if (!timedout && !(mp_match != NULL - && mp_match->m_nowait)) { - /* break at a partly match */ - keylen = KEYLEN_PART_MAP; - break; - } - } else if (keylen > mp_match_len) { - /* found a longer match */ - mp_match = mp; - mp_match_len = keylen; - } - } else - /* No match; may have to check for - * termcode at next character. */ - if (max_mlen < mlen) - max_mlen = mlen; - } - } - - /* If no partly match found, use the longest full - * match. */ - if (keylen != KEYLEN_PART_MAP) { - mp = mp_match; - keylen = mp_match_len; - } - } - - /* Check for match with 'pastetoggle' */ - if (*p_pt != NUL && mp == NULL && (State & (INSERT|NORMAL))) { - for (mlen = 0; mlen < typebuf.tb_len && p_pt[mlen]; - ++mlen) - if (p_pt[mlen] != typebuf.tb_buf[typebuf.tb_off - + mlen]) - break; - if (p_pt[mlen] == NUL) { /* match */ - /* write chars to script file(s) */ - if (mlen > typebuf.tb_maplen) - gotchars(typebuf.tb_buf + typebuf.tb_off - + typebuf.tb_maplen, - mlen - typebuf.tb_maplen); - - del_typebuf(mlen, 0); /* remove the chars */ - set_option_value((char_u *)"paste", - (long)!p_paste, NULL, 0); - if (!(State & INSERT)) { - msg_col = 0; - msg_row = Rows - 1; - msg_clr_eos(); /* clear ruler */ - } - status_redraw_all(); - redraw_statuslines(); - showmode(); - setcursor(); - continue; - } - /* Need more chars for partly match. */ - if (mlen == typebuf.tb_len) - keylen = KEYLEN_PART_KEY; - else if (max_mlen < mlen) - /* no match, may have to check for termcode at - * next character */ - max_mlen = mlen + 1; - } - - if ((mp == NULL || max_mlen >= mp_match_len) - && keylen != KEYLEN_PART_MAP) { - int save_keylen = keylen; - - /* - * When no matching mapping found or found a - * non-matching mapping that matches at least what the - * matching mapping matched: - * Check if we have a terminal code, when: - * mapping is allowed, - * keys have not been mapped, - * and not an ESC sequence, not in insert mode or - * p_ek is on, - * and when not timed out, - */ - if ((no_mapping == 0 || allow_keys != 0) - && (typebuf.tb_maplen == 0 - || (p_remap && typebuf.tb_noremap[ - typebuf.tb_off] == RM_YES)) - && !timedout) { - keylen = check_termcode(max_mlen + 1, - NULL, 0, NULL); - - /* If no termcode matched but 'pastetoggle' - * matched partially it's like an incomplete key - * sequence. */ - if (keylen == 0 && save_keylen == KEYLEN_PART_KEY) - keylen = KEYLEN_PART_KEY; - - /* - * When getting a partial match, but the last - * characters were not typed, don't wait for a - * typed character to complete the termcode. - * This helps a lot when a ":normal" command ends - * in an ESC. - */ - if (keylen < 0 - && typebuf.tb_len == typebuf.tb_maplen) - keylen = 0; - } else - keylen = 0; - if (keylen == 0) { /* no matching terminal code */ - /* When there was a matching mapping and no - * termcode could be replaced after another one, - * use that mapping (loop around). If there was - * no mapping use the character from the - * typeahead buffer right here. */ - if (mp == NULL) { - /* - * get a character: 2. from the typeahead buffer - */ - c = typebuf.tb_buf[typebuf.tb_off] & 255; - if (advance) { /* remove chars from tb_buf */ - cmd_silent = (typebuf.tb_silent > 0); - if (typebuf.tb_maplen > 0) - KeyTyped = FALSE; - else { - KeyTyped = TRUE; - /* write char to script file(s) */ - gotchars(typebuf.tb_buf - + typebuf.tb_off, 1); - } - KeyNoremap = typebuf.tb_noremap[ - typebuf.tb_off]; - del_typebuf(1, 0); - } - break; /* got character, break for loop */ - } - } - if (keylen > 0) { /* full matching terminal code */ - continue; /* try mapping again */ - } - - /* Partial match: get some more characters. When a - * matching mapping was found use that one. */ - if (mp == NULL || keylen < 0) - keylen = KEYLEN_PART_KEY; - else - keylen = mp_match_len; - } - - /* complete match */ - if (keylen >= 0 && keylen <= typebuf.tb_len) { - int save_m_expr; - int save_m_noremap; - int save_m_silent; - char_u *save_m_keys; - char_u *save_m_str; - - /* write chars to script file(s) */ - if (keylen > typebuf.tb_maplen) - gotchars(typebuf.tb_buf + typebuf.tb_off - + typebuf.tb_maplen, - keylen - typebuf.tb_maplen); - - cmd_silent = (typebuf.tb_silent > 0); - del_typebuf(keylen, 0); /* remove the mapped keys */ - - /* - * Put the replacement string in front of mapstr. - * The depth check catches ":map x y" and ":map y x". - */ - if (++mapdepth >= p_mmd) { - EMSG(_("E223: recursive mapping")); - if (State & CMDLINE) - redrawcmdline(); - else - setcursor(); - flush_buffers(FALSE); - mapdepth = 0; /* for next one */ - c = -1; - break; - } - - /* - * In Select mode and a Visual mode mapping is used: - * Switch to Visual mode temporarily. Append K_SELECT - * to switch back to Select mode. - */ - if (VIsual_active && VIsual_select - && (mp->m_mode & VISUAL)) { - VIsual_select = FALSE; - (void)ins_typebuf(K_SELECT_STRING, REMAP_NONE, - 0, TRUE, FALSE); - } - - /* Copy the values from *mp that are used, because - * evaluating the expression may invoke a function - * that redefines the mapping, thereby making *mp - * invalid. */ - save_m_expr = mp->m_expr; - save_m_noremap = mp->m_noremap; - save_m_silent = mp->m_silent; - save_m_keys = NULL; /* only saved when needed */ - save_m_str = NULL; /* only saved when needed */ - - /* - * Handle ":map <expr>": evaluate the {rhs} as an - * expression. Also save and restore the command line - * for "normal :". - */ - if (mp->m_expr) { - int save_vgetc_busy = vgetc_busy; - - vgetc_busy = 0; - save_m_keys = vim_strsave(mp->m_keys); - save_m_str = vim_strsave(mp->m_str); - s = eval_map_expr(save_m_str, NUL); - vgetc_busy = save_vgetc_busy; - } else - s = mp->m_str; - - /* - * Insert the 'to' part in the typebuf.tb_buf. - * If 'from' field is the same as the start of the - * 'to' field, don't remap the first character (but do - * allow abbreviations). - * If m_noremap is set, don't remap the whole 'to' - * part. - */ - if (s == NULL) - i = FAIL; - else { - int noremap; - - if (save_m_noremap != REMAP_YES) - noremap = save_m_noremap; - else if ( - STRNCMP(s, save_m_keys != NULL - ? save_m_keys : mp->m_keys, - (size_t)keylen) - != 0) - noremap = REMAP_YES; - else - noremap = REMAP_SKIP; - i = ins_typebuf(s, noremap, - 0, TRUE, cmd_silent || save_m_silent); - if (save_m_expr) - free(s); - } - free(save_m_keys); - free(save_m_str); - if (i == FAIL) { - c = -1; - break; - } - continue; - } - } - - /* - * get a character: 3. from the user - handle <Esc> in Insert mode - */ - /* - * special case: if we get an <ESC> in insert mode and there - * are no more characters at once, we pretend to go out of - * insert mode. This prevents the one second delay after - * typing an <ESC>. If we get something after all, we may - * have to redisplay the mode. That the cursor is in the wrong - * place does not matter. - */ - c = 0; - new_wcol = curwin->w_wcol; - new_wrow = curwin->w_wrow; - if ( advance - && typebuf.tb_len == 1 - && typebuf.tb_buf[typebuf.tb_off] == ESC - && !no_mapping - && ex_normal_busy == 0 - && typebuf.tb_maplen == 0 - && (State & INSERT) - && (p_timeout - || (keylen == KEYLEN_PART_KEY && p_ttimeout)) - && (c = inchar(typebuf.tb_buf + typebuf.tb_off - + typebuf.tb_len, 3, 25L, - typebuf.tb_change_cnt)) == 0) { - colnr_T col = 0, vcol; - char_u *ptr; - - if (mode_displayed) { - unshowmode(TRUE); - mode_deleted = TRUE; - } - validate_cursor(); - old_wcol = curwin->w_wcol; - old_wrow = curwin->w_wrow; - - /* move cursor left, if possible */ - if (curwin->w_cursor.col != 0) { - if (curwin->w_wcol > 0) { - if (did_ai) { - /* - * We are expecting to truncate the trailing - * white-space, so find the last non-white - * character -- webb - */ - col = vcol = curwin->w_wcol = 0; - ptr = ml_get_curline(); - while (col < curwin->w_cursor.col) { - if (!vim_iswhite(ptr[col])) - curwin->w_wcol = vcol; - vcol += lbr_chartabsize(ptr + col, - (colnr_T)vcol); - if (has_mbyte) - col += (*mb_ptr2len)(ptr + col); - else - ++col; - } - curwin->w_wrow = curwin->w_cline_row - + curwin->w_wcol / W_WIDTH(curwin); - curwin->w_wcol %= W_WIDTH(curwin); - curwin->w_wcol += curwin_col_off(); - col = 0; /* no correction needed */ - } else { - --curwin->w_wcol; - col = curwin->w_cursor.col - 1; - } - } else if (curwin->w_p_wrap && curwin->w_wrow) { - --curwin->w_wrow; - curwin->w_wcol = W_WIDTH(curwin) - 1; - col = curwin->w_cursor.col - 1; - } - if (has_mbyte && col > 0 && curwin->w_wcol > 0) { - /* Correct when the cursor is on the right halve - * of a double-wide character. */ - ptr = ml_get_curline(); - col -= (*mb_head_off)(ptr, ptr + col); - if ((*mb_ptr2cells)(ptr + col) > 1) - --curwin->w_wcol; - } - } - setcursor(); - out_flush(); - new_wcol = curwin->w_wcol; - new_wrow = curwin->w_wrow; - curwin->w_wcol = old_wcol; - curwin->w_wrow = old_wrow; - } - if (c < 0) - continue; /* end of input script reached */ - typebuf.tb_len += c; - - /* buffer full, don't map */ - if (typebuf.tb_len >= typebuf.tb_maplen + MAXMAPLEN) { - timedout = TRUE; - continue; - } - - if (ex_normal_busy > 0) { - static int tc = 0; - - /* No typeahead left and inside ":normal". Must return - * something to avoid getting stuck. When an incomplete - * mapping is present, behave like it timed out. */ - if (typebuf.tb_len > 0) { - timedout = TRUE; - continue; - } - /* When 'insertmode' is set, ESC just beeps in Insert - * mode. Use CTRL-L to make edit() return. - * For the command line only CTRL-C always breaks it. - * For the cmdline window: Alternate between ESC and - * CTRL-C: ESC for most situations and CTRL-C to close the - * cmdline window. */ - if (p_im && (State & INSERT)) - c = Ctrl_L; - else if ((State & CMDLINE) - || (cmdwin_type > 0 && tc == ESC) - ) - c = Ctrl_C; - else - c = ESC; - tc = c; - break; - } - - /* - * get a character: 3. from the user - update display - */ - /* In insert mode a screen update is skipped when characters - * are still available. But when those available characters - * are part of a mapping, and we are going to do a blocking - * wait here. Need to update the screen to display the - * changed text so far. Also for when 'lazyredraw' is set and - * redrawing was postponed because there was something in the - * input buffer (e.g., termresponse). */ - if (((State & INSERT) != 0 || p_lz) && (State & CMDLINE) == 0 - && advance && must_redraw != 0 && !need_wait_return) { - update_screen(0); - setcursor(); /* put cursor back where it belongs */ - } - - /* - * If we have a partial match (and are going to wait for more - * input from the user), show the partially matched characters - * to the user with showcmd. - */ - i = 0; - c1 = 0; - if (typebuf.tb_len > 0 && advance && !exmode_active) { - if (((State & (NORMAL | INSERT)) || State == LANGMAP) - && State != HITRETURN) { - /* this looks nice when typing a dead character map */ - if (State & INSERT - && ptr2cells(typebuf.tb_buf + typebuf.tb_off - + typebuf.tb_len - 1) == 1) { - edit_putchar(typebuf.tb_buf[typebuf.tb_off - + typebuf.tb_len - 1], FALSE); - setcursor(); /* put cursor back where it belongs */ - c1 = 1; - } - /* need to use the col and row from above here */ - old_wcol = curwin->w_wcol; - old_wrow = curwin->w_wrow; - curwin->w_wcol = new_wcol; - curwin->w_wrow = new_wrow; - push_showcmd(); - if (typebuf.tb_len > SHOWCMD_COLS) - i = typebuf.tb_len - SHOWCMD_COLS; - while (i < typebuf.tb_len) - (void)add_to_showcmd(typebuf.tb_buf[typebuf.tb_off - + i++]); - curwin->w_wcol = old_wcol; - curwin->w_wrow = old_wrow; - } - - /* this looks nice when typing a dead character map */ - if ((State & CMDLINE) - && cmdline_star == 0 - && ptr2cells(typebuf.tb_buf + typebuf.tb_off - + typebuf.tb_len - 1) == 1) { - putcmdline(typebuf.tb_buf[typebuf.tb_off - + typebuf.tb_len - 1], FALSE); - c1 = 1; - } - } - - /* - * get a character: 3. from the user - get it - */ - wait_tb_len = typebuf.tb_len; - c = inchar(typebuf.tb_buf + typebuf.tb_off + typebuf.tb_len, - typebuf.tb_buflen - typebuf.tb_off - typebuf.tb_len - 1, - !advance - ? 0 - : ((typebuf.tb_len == 0 - || !(p_timeout || (p_ttimeout - && keylen == KEYLEN_PART_KEY))) - ? -1L - : ((keylen == KEYLEN_PART_KEY && p_ttm >= 0) - ? p_ttm - : p_tm)), typebuf.tb_change_cnt); - - if (i != 0) - pop_showcmd(); - if (c1 == 1) { - if (State & INSERT) - edit_unputchar(); - if (State & CMDLINE) - unputcmdline(); - else - setcursor(); /* put cursor back where it belongs */ - } - - if (c < 0) - continue; /* end of input script reached */ - if (c == NUL) { /* no character available */ - if (!advance) - break; - if (wait_tb_len > 0) { /* timed out */ - timedout = TRUE; - continue; - } - } else { /* allow mapping for just typed characters */ - while (typebuf.tb_buf[typebuf.tb_off - + typebuf.tb_len] != NUL) - typebuf.tb_noremap[typebuf.tb_off - + typebuf.tb_len++] = RM_YES; -#ifdef USE_IM_CONTROL - /* Get IM status right after getting keys, not after the - * timeout for a mapping (focus may be lost by then). */ - vgetc_im_active = im_get_status(); -#endif - } - } /* for (;;) */ - } /* if (!character from stuffbuf) */ - - /* if advance is FALSE don't loop on NULs */ - } while (c < 0 || (advance && c == NUL)); - - /* - * The "INSERT" message is taken care of here: - * if we return an ESC to exit insert mode, the message is deleted - * if we don't return an ESC but deleted the message before, redisplay it - */ - if (advance && p_smd && msg_silent == 0 && (State & INSERT)) { - if (c == ESC && !mode_deleted && !no_mapping && mode_displayed) { - if (typebuf.tb_len && !KeyTyped) - redraw_cmdline = TRUE; /* delete mode later */ - else - unshowmode(FALSE); - } else if (c != ESC && mode_deleted) { - if (typebuf.tb_len && !KeyTyped) - redraw_cmdline = TRUE; /* show mode later */ - else - showmode(); - } - } - - --vgetc_busy; - - return c; -} - -/* - * inchar() - get one character from - * 1. a scriptfile - * 2. the keyboard - * - * As much characters as we can get (upto 'maxlen') are put in "buf" and - * NUL terminated (buffer length must be 'maxlen' + 1). - * Minimum for "maxlen" is 3!!!! - * - * "tb_change_cnt" is the value of typebuf.tb_change_cnt if "buf" points into - * it. When typebuf.tb_change_cnt changes (e.g., when a message is received - * from a remote client) "buf" can no longer be used. "tb_change_cnt" is 0 - * otherwise. - * - * If we got an interrupt all input is read until none is available. - * - * If wait_time == 0 there is no waiting for the char. - * If wait_time == n we wait for n msec for a character to arrive. - * If wait_time == -1 we wait forever for a character to arrive. - * - * Return the number of obtained characters. - * Return -1 when end of input script reached. - */ -int -inchar ( - char_u *buf, - int maxlen, - long wait_time, /* milli seconds */ - int tb_change_cnt -) -{ - int len = 0; /* init for GCC */ - int retesc = FALSE; /* return ESC with gotint */ - int script_char; - - if (wait_time == -1L || wait_time > 100L) { /* flush output before waiting */ - cursor_on(); - out_flush(); - } - - /* - * Don't reset these when at the hit-return prompt, otherwise a endless - * recursive loop may result (write error in swapfile, hit-return, timeout - * on char wait, flush swapfile, write error....). - */ - if (State != HITRETURN) { - did_outofmem_msg = FALSE; /* display out of memory message (again) */ - did_swapwrite_msg = FALSE; /* display swap file write error again */ - } - undo_off = FALSE; /* restart undo now */ - - /* - * Get a character from a script file if there is one. - * If interrupted: Stop reading script files, close them all. - */ - script_char = -1; - while (scriptin[curscript] != NULL && script_char < 0 - && !ignore_script - ) { - - - if (got_int || (script_char = getc(scriptin[curscript])) < 0) { - /* Reached EOF. - * Careful: closescript() frees typebuf.tb_buf[] and buf[] may - * point inside typebuf.tb_buf[]. Don't use buf[] after this! */ - closescript(); - /* - * When reading script file is interrupted, return an ESC to get - * back to normal mode. - * Otherwise return -1, because typebuf.tb_buf[] has changed. - */ - if (got_int) - retesc = TRUE; - else - return -1; - } else { - buf[0] = script_char; - len = 1; - } - } - - if (script_char < 0) { /* did not get a character from script */ - /* - * If we got an interrupt, skip all previously typed characters and - * return TRUE if quit reading script file. - * Stop reading typeahead when a single CTRL-C was read, - * fill_input_buf() returns this when not able to read from stdin. - * Don't use buf[] here, closescript() may have freed typebuf.tb_buf[] - * and buf may be pointing inside typebuf.tb_buf[]. - */ - if (got_int) { -#define DUM_LEN MAXMAPLEN * 3 + 3 - char_u dum[DUM_LEN + 1]; - - for (;; ) { - len = ui_inchar(dum, DUM_LEN, 0L, 0); - if (len == 0 || (len == 1 && dum[0] == 3)) - break; - } - return retesc; - } - - /* - * Always flush the output characters when getting input characters - * from the user. - */ - out_flush(); - - /* - * Fill up to a third of the buffer, because each character may be - * tripled below. - */ - len = ui_inchar(buf, maxlen / 3, wait_time, tb_change_cnt); - } - - if (typebuf_changed(tb_change_cnt)) - return 0; - - return fix_input_buffer(buf, len, script_char >= 0); -} - -/* - * Fix typed characters for use by vgetc() and check_termcode(). - * buf[] must have room to triple the number of bytes! - * Returns the new length. - */ -int -fix_input_buffer ( - char_u *buf, - int len, - int script /* TRUE when reading from a script */ -) -{ - int i; - char_u *p = buf; - - /* - * Two characters are special: NUL and K_SPECIAL. - * When compiled With the GUI CSI is also special. - * Replace NUL by K_SPECIAL KS_ZERO KE_FILLER - * Replace K_SPECIAL by K_SPECIAL KS_SPECIAL KE_FILLER - * Replace CSI by K_SPECIAL KS_EXTRA KE_CSI - * Don't replace K_SPECIAL when reading a script file. - */ - for (i = len; --i >= 0; ++p) { - if (p[0] == NUL - || (p[0] == K_SPECIAL - && !script - && (i < 2 || p[1] != KS_EXTRA || is_user_input(p[2])))) { - memmove(p + 3, p + 1, (size_t)i); - p[2] = K_THIRD(p[0]); - p[1] = K_SECOND(p[0]); - p[0] = K_SPECIAL; - p += 2; - len += 2; - } - } - *p = NUL; /* add trailing NUL */ - return len; -} - -#if defined(USE_INPUT_BUF) || defined(PROTO) -/* - * Return TRUE when bytes are in the input buffer or in the typeahead buffer. - * Normally the input buffer would be sufficient, but feedkeys() may insert - * characters in the typeahead buffer while we are waiting for input to arrive. - */ -int input_available(void) -{ - return !vim_is_input_buf_empty() - || typebuf_was_filled - ; -} - -#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 :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; - int did_local = FALSE; - 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; - int expr = 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 == 2) - 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; - } - - /* - * 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; - } - /* - * 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); - } - - /* - * When in right-to-left mode and alternate keymap option set, - * reverse the character flow in the rhs in Farsi. - */ - if (p_altkeymap && curwin->w_p_rl) - lrswap(rhs); - - /* - * 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(); - - /* - * 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) - EMSG2(_("E224: global abbreviation already exists for %s"), - mp->m_keys); - else - EMSG2(_("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; - } - } - } - } - } - } - - /* - * 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) - EMSG2(_("E226: abbreviation already exists for %s"), - p); - else - EMSG2(_("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; - } - free(mp->m_str); - mp->m_str = newstr; - 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_expr = expr; - mp->m_script_ID = current_SID; - 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 */ - goto theend; - } - - 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) /* have added the new entry already */ - goto theend; - - /* - * Get here when adding a new entry to the maphash[] list or abbrlist. - */ - mp = (mapblock_T *)alloc((unsigned)sizeof(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) - mapped_ctrl_c = TRUE; - - 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) { - free(mp->m_keys); - free(mp->m_str); - free(mp->m_orig_str); - 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; - mp->m_expr = expr; - mp->m_script_ID = current_SID; - - /* 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: - free(keys_buf); - 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; - free(mp->m_keys); - free(mp->m_str); - free(mp->m_orig_str); - *mpp = mp->m_next; - free(mp); -} - -/* - * Initialize maphash[] for first use. - */ -static void validate_maphash(void) -{ - if (!maphash_valid) { - 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 { - --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, int forceit, int abbr) -{ - int mode; - int local; - - local = (STRCMP(arg, "<buffer>") == 0); - if (!local && *arg != NUL) { - EMSG(_(e_invarg)); - return; - } - - mode = get_map_mode(&cmdp, forceit); - map_clear_int(curbuf, mode, - local, - abbr); -} - -/* - * Clear all mappings in "mode". - */ -void -map_clear_int ( - buf_T *buf, /* buffer for local mappings */ - int mode, /* mode in which to delete */ - int local, /* 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; - if (local) - mpp = &buf->b_first_abbr; - else - mpp = &first_abbr; - } else { - if (local) - mpp = &buf->b_maphash[hash]; - else - 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; - if (local) { - mp->m_next = buf->b_maphash[new_hash]; - buf->b_maphash[new_hash] = mp; - } else { - 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_init(&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 & (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 (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(mapchars); - len = (int)STRLEN(mapchars); - free(mapchars); - } - - while (++len <= 3) - msg_putchar(' '); - - /* Display the LHS. Get length of what we write. */ - len = msg_outtrans_special(mp->m_keys, TRUE); - do { - msg_putchar(' '); /* padd with blanks */ - ++len; - } while (len < 12); - - if (mp->m_noremap == REMAP_NONE) - msg_puts_attr((char_u *)"*", hl_attr(HLF_8)); - else if (mp->m_noremap == REMAP_SCRIPT) - msg_puts_attr((char_u *)"&", 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((char_u *)"<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); - free(s); - } - } - if (p_verbose > 0) - last_set_msg(mp->m_script_ID); - out_flush(); /* show one line at a time */ -} - -/* - * 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); - free(buf); - - return retval; -} - -/* - * 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; - int expand_buffer = FALSE; - - validate_maphash(); - - /* Do it twice: once for global maps and once for local maps. */ - for (;; ) { - for (hash = 0; hash < 256; ++hash) { - if (abbr) { - if (hash > 0) /* there is only one abbr list */ - break; - if (expand_buffer) - mp = curbuf->b_first_abbr; - else - mp = first_abbr; - } else if (expand_buffer) - mp = curbuf->b_maphash[hash]; - 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; - } - } - if (expand_buffer) - break; - expand_buffer = TRUE; - } - - return FALSE; -} - -/* - * Used below when expanding mapping/abbreviation names. - */ -static int expand_mapmodes = 0; -static int expand_isabbrev = 0; -static int expand_buffer = FALSE; - -/* - * 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; - expand_buffer = FALSE; - for (;; ) { - if (STRNCMP(arg, "<buffer>", 8) == 0) { - expand_buffer = TRUE; - arg = skipwhite(arg + 8); - continue; - } - 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, "<script>", 8) == 0) { - arg = skipwhite(arg + 8); - continue; - } - if (STRNCMP(arg, "<expr>", 6) == 0) { - arg = skipwhite(arg + 6); - continue; - } - break; - } - xp->xp_pattern = arg; - } - - return NULL; -} - -/* - * Find all mapping/abbreviation names that match regexp 'prog'. - * 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 < 6; ++i) { - if (i == 0) - p = (char_u *)"<silent>"; - else if (i == 1) - p = (char_u *)"<unique>"; - else if (i == 2) - p = (char_u *)"<script>"; - else if (i == 3) - p = (char_u *)"<expr>"; - else if (i == 4 && !expand_buffer) - p = (char_u *)"<buffer>"; - else if (i == 5) - p = (char_u *)"<nowait>"; - 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; - } else if (expand_buffer) - mp = curbuf->b_maphash[hash]; - else - mp = maphash[hash]; - for (; mp; mp = mp->m_next) { - if (mp->m_mode & expand_mapmodes) { - p = translate_mapping(mp->m_keys, TRUE); - if (p != NULL && vim_regexec(regmatch, p, (colnr_T)0)) { - if (round == 1) - ++count; - else { - (*file)[count++] = p; - p = NULL; - } - } - free(p); - } - } /* for (mp) */ - } /* for (hash) */ - - if (count == 0) /* no match found */ - break; /* for (round) */ - - if (round == 1) { - *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); - 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 { - free(*ptr2++); - count--; - } - } - } - - *num_file = count; - return count == 0 ? FAIL : OK; -} - -/* - * Check for an abbreviation. - * Cursor is at ptr[col]. When inserting, mincol is where insert started. - * "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; - mapblock_T *mp2; - 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; - mp = curbuf->b_first_abbr; - mp2 = first_abbr; - if (mp == NULL) { - mp = mp2; - mp2 = NULL; - } - for (; mp; - mp->m_next == NULL ? (mp = mp2, mp2 = NULL) : - (mp = mp->m_next)) { - /* find entries with right mode and keys */ - if ( (mp->m_mode & State) - && mp->m_keylen == len - && !STRNCMP(mp->m_keys, ptr, (size_t)len)) - 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); - } - if (mp->m_expr) - s = eval_map_expr(mp->m_str, c); - else - 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; - if (mp->m_expr) - free(s); - } - - 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; -} - -/* - * 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; - char_u *save_cmd; - 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); - - save_cmd = save_cmdline_alloc(); - if (save_cmd == NULL) { - free(expr); - return NULL; - } - - /* 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; - - restore_cmdline_alloc(save_cmd); - 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); - free(p); - - return res; -} - -static bool is_user_input(int k) -{ - return k != (int)KE_EVENT && k != (int)KE_CURSORHOLD; -} - -/* - * 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. */ - res = alloc((unsigned)(STRLEN(p) * 3) + 1); - 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 { - int len = mb_char2len(PTR2CHAR(s)); - int len2 = mb_ptr2len(s); - /* Add character, possibly multi-byte to destination, escaping - * CSI and K_SPECIAL. */ - d = add_char2buf(PTR2CHAR(s), d); - while (len < len2) { - /* add following combining char */ - d = add_char2buf(PTR2CHAR(s + len), d); - len += mb_char2len(PTR2CHAR(s + len)); - } - mb_ptr_adv(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; - if (buf != NULL) - mp = buf->b_first_abbr; - else - mp = first_abbr; - } else { - if (buf != NULL) - mp = buf->b_maphash[hash]; - else - 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; - default: - EMSG(_("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; - if (mp->m_noremap == REMAP_SCRIPT - && fputs("<script>", fd) < 0) - return FAIL; - if (mp->m_expr && fputs(" <expr>", fd) < 0) - return FAIL; - - 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; - buf_T *bp; - - validate_maphash(); - save_name = sourcing_name; - sourcing_name = (char_u *)"mappings"; /* avoids giving error messages */ - - /* This this once for each buffer, and then once for global - * mappings/abbreviations with bp == NULL */ - for (bp = firstbuf;; bp = bp->b_next) { - /* - * 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; - if (bp != NULL) - mp = bp->b_first_abbr; - else - mp = first_abbr; - } else { - if (bp != NULL) - mp = bp->b_maphash[hash]; - else - 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; - } - } - } - } - if (bp == NULL) - break; - } - sourcing_name = save_name; -} - -/* - * 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; - int local; - - validate_maphash(); - - len = (int)STRLEN(keys); - for (local = 1; local >= 0; --local) - /* loop over all hash lists */ - for (hash = 0; hash < 256; ++hash) { - if (abbr) { - if (hash > 0) /* there is only one list. */ - break; - if (local) - mp = curbuf->b_first_abbr; - else - mp = first_abbr; - } else if (local) - mp = curbuf->b_maphash[hash]; - 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) - *local_ptr = local; - return mp->m_str; - } - } - } - } - - return NULL; -} - - -#if defined(MSWIN) || defined(FEAT_CMDWIN) || defined(MACOS) || 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); - free(s); - } - p_cpo = cpo_save; -} -#endif |