return retval;
}
-/*
- * Copy the indent from ptr to the current line (and fill to size)
- * Leaves the cursor on the first non-blank in the line.
- * Returns TRUE if the line was changed.
- */
- static int
-copy_indent(int size, char_u *src)
-{
- char_u *p = NULL;
- char_u *line = NULL;
- char_u *s;
- int todo;
- int ind_len;
- int line_len = 0;
- int tab_pad;
- int ind_done;
- int round;
-#ifdef FEAT_VARTABS
- int ind_col;
-#endif
-
- /* Round 1: compute the number of characters needed for the indent
- * Round 2: copy the characters. */
- for (round = 1; round <= 2; ++round)
- {
- todo = size;
- ind_len = 0;
- ind_done = 0;
-#ifdef FEAT_VARTABS
- ind_col = 0;
-#endif
- s = src;
-
- /* Count/copy the usable portion of the source line */
- while (todo > 0 && VIM_ISWHITE(*s))
- {
- if (*s == TAB)
- {
-#ifdef FEAT_VARTABS
- tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts,
- curbuf->b_p_vts_array);
-#else
- tab_pad = (int)curbuf->b_p_ts
- - (ind_done % (int)curbuf->b_p_ts);
-#endif
- /* Stop if this tab will overshoot the target */
- if (todo < tab_pad)
- break;
- todo -= tab_pad;
- ind_done += tab_pad;
-#ifdef FEAT_VARTABS
- ind_col += tab_pad;
-#endif
- }
- else
- {
- --todo;
- ++ind_done;
-#ifdef FEAT_VARTABS
- ++ind_col;
-#endif
- }
- ++ind_len;
- if (p != NULL)
- *p++ = *s;
- ++s;
- }
-
- /* Fill to next tabstop with a tab, if possible */
-#ifdef FEAT_VARTABS
- tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts,
- curbuf->b_p_vts_array);
-#else
- tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts);
-#endif
- if (todo >= tab_pad && !curbuf->b_p_et)
- {
- todo -= tab_pad;
- ++ind_len;
-#ifdef FEAT_VARTABS
- ind_col += tab_pad;
-#endif
- if (p != NULL)
- *p++ = TAB;
- }
-
- /* Add tabs required for indent */
- if (!curbuf->b_p_et)
- {
-#ifdef FEAT_VARTABS
- for (;;)
- {
- tab_pad = tabstop_padding(ind_col, curbuf->b_p_ts,
- curbuf->b_p_vts_array);
- if (todo < tab_pad)
- break;
- todo -= tab_pad;
- ++ind_len;
- ind_col += tab_pad;
- if (p != NULL)
- *p++ = TAB;
- }
-#else
- while (todo >= (int)curbuf->b_p_ts)
- {
- todo -= (int)curbuf->b_p_ts;
- ++ind_len;
- if (p != NULL)
- *p++ = TAB;
- }
-#endif
- }
-
- /* Count/add spaces required for indent */
- while (todo > 0)
- {
- --todo;
- ++ind_len;
- if (p != NULL)
- *p++ = ' ';
- }
-
- if (p == NULL)
- {
- /* Allocate memory for the result: the copied indent, new indent
- * and the rest of the line. */
- line_len = (int)STRLEN(ml_get_curline()) + 1;
- line = alloc(ind_len + line_len);
- if (line == NULL)
- return FALSE;
- p = line;
- }
- }
-
- /* Append the original line */
- mch_memmove(p, ml_get_curline(), (size_t)line_len);
-
- /* Replace the line */
- ml_replace(curwin->w_cursor.lnum, line, FALSE);
-
- /* Put the cursor after the indent. */
- curwin->w_cursor.col = ind_len;
- return TRUE;
-}
-
/*
* Return the indent of the current line after a number. Return -1 if no
* number was found. Used for 'n' in 'formatoptions': numbered list.
}
#endif
-
+#if defined(FEAT_COMMENTS) || defined(PROTO)
/*
- * open_line: Add a new line below or above the current line.
- *
- * For VREPLACE mode, we only add a new line when we get to the end of the
- * file, otherwise we just start replacing the next line.
- *
- * Caller must take care of undo. Since VREPLACE may affect any number of
- * lines however, it may call u_save_cursor() again when starting to change a
- * new line.
- * "flags": OPENLINE_DELSPACES delete spaces after cursor
- * OPENLINE_DO_COM format comments
- * OPENLINE_KEEPTRAIL keep trailing spaces
- * OPENLINE_MARKFIX adjust mark positions after the line break
- * OPENLINE_COM_LIST format comments with list or 2nd line indent
- *
- * "second_line_indent": indent for after ^^D in Insert mode or if flag
- * OPENLINE_COM_LIST
- *
- * Return OK for success, FAIL for failure
+ * get_leader_len() returns the length in bytes of the prefix of the given
+ * string which introduces a comment. If this string is not a comment then
+ * 0 is returned.
+ * When "flags" is not NULL, it is set to point to the flags of the recognized
+ * comment leader.
+ * "backward" must be true for the "O" command.
+ * If "include_space" is set, include trailing whitespace while calculating the
+ * length.
*/
int
-open_line(
- int dir, /* FORWARD or BACKWARD */
- int flags,
- int second_line_indent)
+get_leader_len(
+ char_u *line,
+ char_u **flags,
+ int backward,
+ int include_space)
{
- char_u *saved_line; /* copy of the original line */
- char_u *next_line = NULL; /* copy of the next line */
- char_u *p_extra = NULL; /* what goes to next line */
- int less_cols = 0; /* less columns for mark in new line */
- int less_cols_off = 0; /* columns to skip for mark adjust */
- pos_T old_cursor; /* old cursor position */
- int newcol = 0; /* new cursor column */
- int newindent = 0; /* auto-indent of the new line */
- int n;
- int trunc_line = FALSE; /* truncate current line afterwards */
- int retval = FAIL; /* return value */
-#ifdef FEAT_COMMENTS
- int extra_len = 0; /* length of p_extra string */
- int lead_len; /* length of comment leader */
- char_u *lead_flags; /* position in 'comments' for comment leader */
- char_u *leader = NULL; /* copy of comment leader */
-#endif
- char_u *allocated = NULL; /* allocated memory */
- char_u *p;
- int saved_char = NUL; /* init for GCC */
-#if defined(FEAT_SMARTINDENT) || defined(FEAT_COMMENTS)
- pos_T *pos;
-#endif
-#ifdef FEAT_SMARTINDENT
- int do_si = (!p_paste && curbuf->b_p_si
-# ifdef FEAT_CINDENT
- && !curbuf->b_p_cin
-# endif
-# ifdef FEAT_EVAL
- && *curbuf->b_p_inde == NUL
-# endif
- );
- int no_si = FALSE; /* reset did_si afterwards */
- int first_char = NUL; /* init for GCC */
-#endif
-#if defined(FEAT_LISP) || defined(FEAT_CINDENT)
- int vreplace_mode;
-#endif
- int did_append; /* appended a new line */
- int saved_pi = curbuf->b_p_pi; /* copy of preserveindent setting */
+ int i, j;
+ int result;
+ int got_com = FALSE;
+ int found_one;
+ char_u part_buf[COM_MAX_LEN]; /* buffer for one option part */
+ char_u *string; /* pointer to comment string */
+ char_u *list;
+ int middle_match_len = 0;
+ char_u *prev_list;
+ char_u *saved_flags = NULL;
+
+ result = i = 0;
+ while (VIM_ISWHITE(line[i])) /* leading white space is ignored */
+ ++i;
/*
- * make a copy of the current line so we can mess with it
+ * Repeat to match several nested comment strings.
*/
- saved_line = vim_strsave(ml_get_curline());
- if (saved_line == NULL) /* out of memory! */
- return FALSE;
-
- if (State & VREPLACE_FLAG)
+ while (line[i] != NUL)
{
/*
- * With VREPLACE we make a copy of the next line, which we will be
- * starting to replace. First make the new line empty and let vim play
- * with the indenting and comment leader to its heart's content. Then
- * we grab what it ended up putting on the new line, put back the
- * original line, and call ins_char() to put each new character onto
- * the line, replacing what was there before and pushing the right
- * stuff onto the replace stack. -- webb.
- */
- if (curwin->w_cursor.lnum < orig_line_count)
- next_line = vim_strsave(ml_get(curwin->w_cursor.lnum + 1));
- else
- next_line = vim_strsave((char_u *)"");
- if (next_line == NULL) /* out of memory! */
- goto theend;
-
- /*
- * In VREPLACE mode, a NL replaces the rest of the line, and starts
- * replacing the next line, so push all of the characters left on the
- * line onto the replace stack. We'll push any other characters that
- * might be replaced at the start of the next line (due to autoindent
- * etc) a bit later.
+ * scan through the 'comments' option for a match
*/
- replace_push(NUL); /* Call twice because BS over NL expects it */
- replace_push(NUL);
- p = saved_line + curwin->w_cursor.col;
- while (*p != NUL)
- {
- if (has_mbyte)
- p += replace_push_mb(p);
- else
- replace_push(*p++);
- }
- saved_line[curwin->w_cursor.col] = NUL;
- }
-
- if ((State & INSERT) && !(State & VREPLACE_FLAG))
- {
- p_extra = saved_line + curwin->w_cursor.col;
-#ifdef FEAT_SMARTINDENT
- if (do_si) /* need first char after new line break */
+ found_one = FALSE;
+ for (list = curbuf->b_p_com; *list; )
{
- p = skipwhite(p_extra);
- first_char = *p;
- }
-#endif
-#ifdef FEAT_COMMENTS
- extra_len = (int)STRLEN(p_extra);
-#endif
- saved_char = *p_extra;
- *p_extra = NUL;
- }
+ /* Get one option part into part_buf[]. Advance "list" to next
+ * one. Put "string" at start of string. */
+ if (!got_com && flags != NULL)
+ *flags = list; /* remember where flags started */
+ prev_list = list;
+ (void)copy_option_part(&list, part_buf, COM_MAX_LEN, ",");
+ string = vim_strchr(part_buf, ':');
+ if (string == NULL) /* missing ':', ignore this part */
+ continue;
+ *string++ = NUL; /* isolate flags from string */
- u_clearline(); /* cannot do "U" command when adding lines */
-#ifdef FEAT_SMARTINDENT
- did_si = FALSE;
-#endif
- ai_col = 0;
+ /* If we found a middle match previously, use that match when this
+ * is not a middle or end. */
+ if (middle_match_len != 0
+ && vim_strchr(part_buf, COM_MIDDLE) == NULL
+ && vim_strchr(part_buf, COM_END) == NULL)
+ break;
- /*
- * If we just did an auto-indent, then we didn't type anything on
- * the prior line, and it should be truncated. Do this even if 'ai' is not
- * set because automatically inserting a comment leader also sets did_ai.
- */
- if (dir == FORWARD && did_ai)
- trunc_line = TRUE;
+ /* When we already found a nested comment, only accept further
+ * nested comments. */
+ if (got_com && vim_strchr(part_buf, COM_NEST) == NULL)
+ continue;
- /*
- * If 'autoindent' and/or 'smartindent' is set, try to figure out what
- * indent to use for the new line.
- */
- if (curbuf->b_p_ai
-#ifdef FEAT_SMARTINDENT
- || do_si
-#endif
- )
- {
- /*
- * count white space on current line
- */
-#ifdef FEAT_VARTABS
- newindent = get_indent_str_vtab(saved_line, curbuf->b_p_ts,
- curbuf->b_p_vts_array, FALSE);
-#else
- newindent = get_indent_str(saved_line, (int)curbuf->b_p_ts, FALSE);
-#endif
- if (newindent == 0 && !(flags & OPENLINE_COM_LIST))
- newindent = second_line_indent; /* for ^^D command in insert mode */
+ /* When 'O' flag present and using "O" command skip this one. */
+ if (backward && vim_strchr(part_buf, COM_NOBACK) != NULL)
+ continue;
-#ifdef FEAT_SMARTINDENT
- /*
- * Do smart indenting.
- * In insert/replace mode (only when dir == FORWARD)
- * we may move some text to the next line. If it starts with '{'
- * don't add an indent. Fixes inserting a NL before '{' in line
- * "if (condition) {"
- */
- if (!trunc_line && do_si && *saved_line != NUL
- && (p_extra == NULL || first_char != '{'))
- {
- char_u *ptr;
- char_u last_char;
-
- old_cursor = curwin->w_cursor;
- ptr = saved_line;
-# ifdef FEAT_COMMENTS
- if (flags & OPENLINE_DO_COM)
- lead_len = get_leader_len(ptr, NULL, FALSE, TRUE);
- else
- lead_len = 0;
-# endif
- if (dir == FORWARD)
+ /* Line contents and string must match.
+ * When string starts with white space, must have some white space
+ * (but the amount does not need to match, there might be a mix of
+ * TABs and spaces). */
+ if (VIM_ISWHITE(string[0]))
{
- /*
- * Skip preprocessor directives, unless they are
- * recognised as comments.
- */
- if (
-# ifdef FEAT_COMMENTS
- lead_len == 0 &&
-# endif
- ptr[0] == '#')
- {
- while (ptr[0] == '#' && curwin->w_cursor.lnum > 1)
- ptr = ml_get(--curwin->w_cursor.lnum);
- newindent = get_indent();
- }
-# ifdef FEAT_COMMENTS
- if (flags & OPENLINE_DO_COM)
- lead_len = get_leader_len(ptr, NULL, FALSE, TRUE);
- else
- lead_len = 0;
- if (lead_len > 0)
- {
- /*
- * This case gets the following right:
- * \*
- * * A comment (read '\' as '/').
- * *\
- * #define IN_THE_WAY
- * This should line up here;
- */
- p = skipwhite(ptr);
- if (p[0] == '/' && p[1] == '*')
- p++;
- if (p[0] == '*')
- {
- for (p++; *p; p++)
- {
- if (p[0] == '/' && p[-1] == '*')
- {
- /*
- * End of C comment, indent should line up
- * with the line containing the start of
- * the comment
- */
- curwin->w_cursor.col = (colnr_T)(p - ptr);
- if ((pos = findmatch(NULL, NUL)) != NULL)
- {
- curwin->w_cursor.lnum = pos->lnum;
- newindent = get_indent();
- }
- }
- }
- }
- }
- else /* Not a comment line */
-# endif
- {
- /* Find last non-blank in line */
- p = ptr + STRLEN(ptr) - 1;
- while (p > ptr && VIM_ISWHITE(*p))
- --p;
- last_char = *p;
-
- /*
- * find the character just before the '{' or ';'
- */
- if (last_char == '{' || last_char == ';')
- {
- if (p > ptr)
- --p;
- while (p > ptr && VIM_ISWHITE(*p))
- --p;
- }
- /*
- * Try to catch lines that are split over multiple
- * lines. eg:
- * if (condition &&
- * condition) {
- * Should line up here!
- * }
- */
- if (*p == ')')
- {
- curwin->w_cursor.col = (colnr_T)(p - ptr);
- if ((pos = findmatch(NULL, '(')) != NULL)
- {
- curwin->w_cursor.lnum = pos->lnum;
- newindent = get_indent();
- ptr = ml_get_curline();
- }
- }
- /*
- * If last character is '{' do indent, without
- * checking for "if" and the like.
- */
- if (last_char == '{')
- {
- did_si = TRUE; /* do indent */
- no_si = TRUE; /* don't delete it when '{' typed */
- }
- /*
- * Look for "if" and the like, use 'cinwords'.
- * Don't do this if the previous line ended in ';' or
- * '}'.
- */
- else if (last_char != ';' && last_char != '}'
- && cin_is_cinword(ptr))
- did_si = TRUE;
- }
+ if (i == 0 || !VIM_ISWHITE(line[i - 1]))
+ continue; /* missing white space */
+ while (VIM_ISWHITE(string[0]))
+ ++string;
}
- else /* dir == BACKWARD */
+ for (j = 0; string[j] != NUL && string[j] == line[i + j]; ++j)
+ ;
+ if (string[j] != NUL)
+ continue; /* string doesn't match */
+
+ /* When 'b' flag used, there must be white space or an
+ * end-of-line after the string in the line. */
+ if (vim_strchr(part_buf, COM_BLANK) != NULL
+ && !VIM_ISWHITE(line[i + j]) && line[i + j] != NUL)
+ continue;
+
+ /* We have found a match, stop searching unless this is a middle
+ * comment. The middle comment can be a substring of the end
+ * comment in which case it's better to return the length of the
+ * end comment and its flags. Thus we keep searching with middle
+ * and end matches and use an end match if it matches better. */
+ if (vim_strchr(part_buf, COM_MIDDLE) != NULL)
{
- /*
- * Skip preprocessor directives, unless they are
- * recognised as comments.
- */
- if (
-# ifdef FEAT_COMMENTS
- lead_len == 0 &&
-# endif
- ptr[0] == '#')
+ if (middle_match_len == 0)
{
- int was_backslashed = FALSE;
-
- while ((ptr[0] == '#' || was_backslashed) &&
- curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
- {
- if (*ptr && ptr[STRLEN(ptr) - 1] == '\\')
- was_backslashed = TRUE;
- else
- was_backslashed = FALSE;
- ptr = ml_get(++curwin->w_cursor.lnum);
- }
- if (was_backslashed)
- newindent = 0; /* Got to end of file */
- else
- newindent = get_indent();
+ middle_match_len = j;
+ saved_flags = prev_list;
}
- p = skipwhite(ptr);
- if (*p == '}') /* if line starts with '}': do indent */
- did_si = TRUE;
- else /* can delete indent when '{' typed */
- can_si_back = TRUE;
- }
- curwin->w_cursor = old_cursor;
- }
- if (do_si)
- can_si = TRUE;
-#endif /* FEAT_SMARTINDENT */
-
- did_ai = TRUE;
- }
-
-#ifdef FEAT_COMMENTS
- /*
- * Find out if the current line starts with a comment leader.
- * This may then be inserted in front of the new line.
- */
- end_comment_pending = NUL;
- if (flags & OPENLINE_DO_COM)
- lead_len = get_leader_len(saved_line, &lead_flags, dir == BACKWARD, TRUE);
- else
- lead_len = 0;
- if (lead_len > 0)
- {
- char_u *lead_repl = NULL; /* replaces comment leader */
- int lead_repl_len = 0; /* length of *lead_repl */
- char_u lead_middle[COM_MAX_LEN]; /* middle-comment string */
- char_u lead_end[COM_MAX_LEN]; /* end-comment string */
- char_u *comment_end = NULL; /* where lead_end has been found */
- int extra_space = FALSE; /* append extra space */
- int current_flag;
- int require_blank = FALSE; /* requires blank after middle */
- char_u *p2;
-
- /*
- * If the comment leader has the start, middle or end flag, it may not
- * be used or may be replaced with the middle leader.
- */
- for (p = lead_flags; *p && *p != ':'; ++p)
- {
- if (*p == COM_BLANK)
- {
- require_blank = TRUE;
- continue;
- }
- if (*p == COM_START || *p == COM_MIDDLE)
- {
- current_flag = *p;
- if (*p == COM_START)
- {
- /*
- * Doing "O" on a start of comment does not insert leader.
- */
- if (dir == BACKWARD)
- {
- lead_len = 0;
- break;
- }
-
- /* find start of middle part */
- (void)copy_option_part(&p, lead_middle, COM_MAX_LEN, ",");
- require_blank = FALSE;
- }
-
- /*
- * Isolate the strings of the middle and end leader.
- */
- while (*p && p[-1] != ':') /* find end of middle flags */
- {
- if (*p == COM_BLANK)
- require_blank = TRUE;
- ++p;
- }
- (void)copy_option_part(&p, lead_middle, COM_MAX_LEN, ",");
-
- while (*p && p[-1] != ':') /* find end of end flags */
- {
- /* Check whether we allow automatic ending of comments */
- if (*p == COM_AUTO_END)
- end_comment_pending = -1; /* means we want to set it */
- ++p;
- }
- n = copy_option_part(&p, lead_end, COM_MAX_LEN, ",");
-
- if (end_comment_pending == -1) /* we can set it now */
- end_comment_pending = lead_end[n - 1];
-
- /*
- * If the end of the comment is in the same line, don't use
- * the comment leader.
- */
- if (dir == FORWARD)
- {
- for (p = saved_line + lead_len; *p; ++p)
- if (STRNCMP(p, lead_end, n) == 0)
- {
- comment_end = p;
- lead_len = 0;
- break;
- }
- }
-
- /*
- * Doing "o" on a start of comment inserts the middle leader.
- */
- if (lead_len > 0)
- {
- if (current_flag == COM_START)
- {
- lead_repl = lead_middle;
- lead_repl_len = (int)STRLEN(lead_middle);
- }
-
- /*
- * If we have hit RETURN immediately after the start
- * comment leader, then put a space after the middle
- * comment leader on the next line.
- */
- if (!VIM_ISWHITE(saved_line[lead_len - 1])
- && ((p_extra != NULL
- && (int)curwin->w_cursor.col == lead_len)
- || (p_extra == NULL
- && saved_line[lead_len] == NUL)
- || require_blank))
- extra_space = TRUE;
- }
- break;
- }
- if (*p == COM_END)
- {
- /*
- * Doing "o" on the end of a comment does not insert leader.
- * Remember where the end is, might want to use it to find the
- * start (for C-comments).
- */
- if (dir == FORWARD)
- {
- comment_end = skipwhite(saved_line);
- lead_len = 0;
- break;
- }
-
- /*
- * Doing "O" on the end of a comment inserts the middle leader.
- * Find the string for the middle leader, searching backwards.
- */
- while (p > curbuf->b_p_com && *p != ',')
- --p;
- for (lead_repl = p; lead_repl > curbuf->b_p_com
- && lead_repl[-1] != ':'; --lead_repl)
- ;
- lead_repl_len = (int)(p - lead_repl);
-
- /* We can probably always add an extra space when doing "O" on
- * the comment-end */
- extra_space = TRUE;
-
- /* Check whether we allow automatic ending of comments */
- for (p2 = p; *p2 && *p2 != ':'; p2++)
- {
- if (*p2 == COM_AUTO_END)
- end_comment_pending = -1; /* means we want to set it */
- }
- if (end_comment_pending == -1)
- {
- /* Find last character in end-comment string */
- while (*p2 && *p2 != ',')
- p2++;
- end_comment_pending = p2[-1];
- }
- break;
- }
- if (*p == COM_FIRST)
- {
- /*
- * Comment leader for first line only: Don't repeat leader
- * when using "O", blank out leader when using "o".
- */
- if (dir == BACKWARD)
- lead_len = 0;
- else
- {
- lead_repl = (char_u *)"";
- lead_repl_len = 0;
- }
- break;
- }
- }
- if (lead_len)
- {
- /* allocate buffer (may concatenate p_extra later) */
- leader = alloc(lead_len + lead_repl_len + extra_space + extra_len
- + (second_line_indent > 0 ? second_line_indent : 0) + 1);
- allocated = leader; /* remember to free it later */
-
- if (leader == NULL)
- lead_len = 0;
- else
- {
- vim_strncpy(leader, saved_line, lead_len);
-
- /*
- * Replace leader with lead_repl, right or left adjusted
- */
- if (lead_repl != NULL)
- {
- int c = 0;
- int off = 0;
-
- for (p = lead_flags; *p != NUL && *p != ':'; )
- {
- if (*p == COM_RIGHT || *p == COM_LEFT)
- c = *p++;
- else if (VIM_ISDIGIT(*p) || *p == '-')
- off = getdigits(&p);
- else
- ++p;
- }
- if (c == COM_RIGHT) /* right adjusted leader */
- {
- /* find last non-white in the leader to line up with */
- for (p = leader + lead_len - 1; p > leader
- && VIM_ISWHITE(*p); --p)
- ;
- ++p;
-
- /* Compute the length of the replaced characters in
- * screen characters, not bytes. */
- {
- int repl_size = vim_strnsize(lead_repl,
- lead_repl_len);
- int old_size = 0;
- char_u *endp = p;
- int l;
-
- while (old_size < repl_size && p > leader)
- {
- MB_PTR_BACK(leader, p);
- old_size += ptr2cells(p);
- }
- l = lead_repl_len - (int)(endp - p);
- if (l != 0)
- mch_memmove(endp + l, endp,
- (size_t)((leader + lead_len) - endp));
- lead_len += l;
- }
- mch_memmove(p, lead_repl, (size_t)lead_repl_len);
- if (p + lead_repl_len > leader + lead_len)
- p[lead_repl_len] = NUL;
-
- /* blank-out any other chars from the old leader. */
- while (--p >= leader)
- {
- int l = mb_head_off(leader, p);
-
- if (l > 1)
- {
- p -= l;
- if (ptr2cells(p) > 1)
- {
- p[1] = ' ';
- --l;
- }
- mch_memmove(p + 1, p + l + 1,
- (size_t)((leader + lead_len) - (p + l + 1)));
- lead_len -= l;
- *p = ' ';
- }
- else if (!VIM_ISWHITE(*p))
- *p = ' ';
- }
- }
- else /* left adjusted leader */
- {
- p = skipwhite(leader);
-
- /* Compute the length of the replaced characters in
- * screen characters, not bytes. Move the part that is
- * not to be overwritten. */
- {
- int repl_size = vim_strnsize(lead_repl,
- lead_repl_len);
- int i;
- int l;
-
- for (i = 0; i < lead_len && p[i] != NUL; i += l)
- {
- l = (*mb_ptr2len)(p + i);
- if (vim_strnsize(p, i + l) > repl_size)
- break;
- }
- if (i != lead_repl_len)
- {
- mch_memmove(p + lead_repl_len, p + i,
- (size_t)(lead_len - i - (p - leader)));
- lead_len += lead_repl_len - i;
- }
- }
- mch_memmove(p, lead_repl, (size_t)lead_repl_len);
-
- /* Replace any remaining non-white chars in the old
- * leader by spaces. Keep Tabs, the indent must
- * remain the same. */
- for (p += lead_repl_len; p < leader + lead_len; ++p)
- if (!VIM_ISWHITE(*p))
- {
- /* Don't put a space before a TAB. */
- if (p + 1 < leader + lead_len && p[1] == TAB)
- {
- --lead_len;
- mch_memmove(p, p + 1,
- (leader + lead_len) - p);
- }
- else
- {
- int l = (*mb_ptr2len)(p);
-
- if (l > 1)
- {
- if (ptr2cells(p) > 1)
- {
- /* Replace a double-wide char with
- * two spaces */
- --l;
- *p++ = ' ';
- }
- mch_memmove(p + 1, p + l,
- (leader + lead_len) - p);
- lead_len -= l - 1;
- }
- *p = ' ';
- }
- }
- *p = NUL;
- }
-
- /* Recompute the indent, it may have changed. */
- if (curbuf->b_p_ai
-#ifdef FEAT_SMARTINDENT
- || do_si
-#endif
- )
-#ifdef FEAT_VARTABS
- newindent = get_indent_str_vtab(leader, curbuf->b_p_ts,
- curbuf->b_p_vts_array, FALSE);
-#else
- newindent = get_indent_str(leader,
- (int)curbuf->b_p_ts, FALSE);
-#endif
-
- /* Add the indent offset */
- if (newindent + off < 0)
- {
- off = -newindent;
- newindent = 0;
- }
- else
- newindent += off;
-
- /* Correct trailing spaces for the shift, so that
- * alignment remains equal. */
- while (off > 0 && lead_len > 0
- && leader[lead_len - 1] == ' ')
- {
- /* Don't do it when there is a tab before the space */
- if (vim_strchr(skipwhite(leader), '\t') != NULL)
- break;
- --lead_len;
- --off;
- }
-
- /* If the leader ends in white space, don't add an
- * extra space */
- if (lead_len > 0 && VIM_ISWHITE(leader[lead_len - 1]))
- extra_space = FALSE;
- leader[lead_len] = NUL;
- }
-
- if (extra_space)
- {
- leader[lead_len++] = ' ';
- leader[lead_len] = NUL;
- }
-
- newcol = lead_len;
-
- /*
- * if a new indent will be set below, remove the indent that
- * is in the comment leader
- */
- if (newindent
-#ifdef FEAT_SMARTINDENT
- || did_si
-#endif
- )
- {
- while (lead_len && VIM_ISWHITE(*leader))
- {
- --lead_len;
- --newcol;
- ++leader;
- }
- }
-
- }
-#ifdef FEAT_SMARTINDENT
- did_si = can_si = FALSE;
-#endif
- }
- else if (comment_end != NULL)
- {
- /*
- * We have finished a comment, so we don't use the leader.
- * If this was a C-comment and 'ai' or 'si' is set do a normal
- * indent to align with the line containing the start of the
- * comment.
- */
- if (comment_end[0] == '*' && comment_end[1] == '/' &&
- (curbuf->b_p_ai
-#ifdef FEAT_SMARTINDENT
- || do_si
-#endif
- ))
- {
- old_cursor = curwin->w_cursor;
- curwin->w_cursor.col = (colnr_T)(comment_end - saved_line);
- if ((pos = findmatch(NULL, NUL)) != NULL)
- {
- curwin->w_cursor.lnum = pos->lnum;
- newindent = get_indent();
- }
- curwin->w_cursor = old_cursor;
- }
- }
- }
-#endif
-
- /* (State == INSERT || State == REPLACE), only when dir == FORWARD */
- if (p_extra != NULL)
- {
- *p_extra = saved_char; /* restore char that NUL replaced */
-
- /*
- * When 'ai' set or "flags" has OPENLINE_DELSPACES, skip to the first
- * non-blank.
- *
- * When in REPLACE mode, put the deleted blanks on the replace stack,
- * preceded by a NUL, so they can be put back when a BS is entered.
- */
- if (REPLACE_NORMAL(State))
- replace_push(NUL); /* end of extra blanks */
- if (curbuf->b_p_ai || (flags & OPENLINE_DELSPACES))
- {
- while ((*p_extra == ' ' || *p_extra == '\t')
- && (!enc_utf8
- || !utf_iscomposing(utf_ptr2char(p_extra + 1))))
- {
- if (REPLACE_NORMAL(State))
- replace_push(*p_extra);
- ++p_extra;
- ++less_cols_off;
- }
- }
-
- /* columns for marks adjusted for removed columns */
- less_cols = (int)(p_extra - saved_line);
- }
-
- if (p_extra == NULL)
- p_extra = (char_u *)""; /* append empty line */
-
-#ifdef FEAT_COMMENTS
- /* concatenate leader and p_extra, if there is a leader */
- if (lead_len)
- {
- if (flags & OPENLINE_COM_LIST && second_line_indent > 0)
- {
- int i;
- int padding = second_line_indent
- - (newindent + (int)STRLEN(leader));
-
- /* Here whitespace is inserted after the comment char.
- * Below, set_indent(newindent, SIN_INSERT) will insert the
- * whitespace needed before the comment char. */
- for (i = 0; i < padding; i++)
- {
- STRCAT(leader, " ");
- less_cols--;
- newcol++;
- }
- }
- STRCAT(leader, p_extra);
- p_extra = leader;
- did_ai = TRUE; /* So truncating blanks works with comments */
- less_cols -= lead_len;
- }
- else
- end_comment_pending = NUL; /* turns out there was no leader */
-#endif
-
- old_cursor = curwin->w_cursor;
- if (dir == BACKWARD)
- --curwin->w_cursor.lnum;
- if (!(State & VREPLACE_FLAG) || old_cursor.lnum >= orig_line_count)
- {
- if (ml_append(curwin->w_cursor.lnum, p_extra, (colnr_T)0, FALSE)
- == FAIL)
- goto theend;
- /* Postpone calling changed_lines(), because it would mess up folding
- * with markers.
- * Skip mark_adjust when adding a line after the last one, there can't
- * be marks there. But still needed in diff mode. */
- if (curwin->w_cursor.lnum + 1 < curbuf->b_ml.ml_line_count
-#ifdef FEAT_DIFF
- || curwin->w_p_diff
-#endif
- )
- mark_adjust(curwin->w_cursor.lnum + 1, (linenr_T)MAXLNUM, 1L, 0L);
- did_append = TRUE;
- }
- else
- {
- /*
- * In VREPLACE mode we are starting to replace the next line.
- */
- curwin->w_cursor.lnum++;
- if (curwin->w_cursor.lnum >= Insstart.lnum + vr_lines_changed)
- {
- /* In case we NL to a new line, BS to the previous one, and NL
- * again, we don't want to save the new line for undo twice.
- */
- (void)u_save_cursor(); /* errors are ignored! */
- vr_lines_changed++;
- }
- ml_replace(curwin->w_cursor.lnum, p_extra, TRUE);
- changed_bytes(curwin->w_cursor.lnum, 0);
- curwin->w_cursor.lnum--;
- did_append = FALSE;
- }
-
- if (newindent
-#ifdef FEAT_SMARTINDENT
- || did_si
-#endif
- )
- {
- ++curwin->w_cursor.lnum;
-#ifdef FEAT_SMARTINDENT
- if (did_si)
- {
- int sw = (int)get_sw_value(curbuf);
-
- if (p_sr)
- newindent -= newindent % sw;
- newindent += sw;
- }
-#endif
- /* Copy the indent */
- if (curbuf->b_p_ci)
- {
- (void)copy_indent(newindent, saved_line);
-
- /*
- * Set the 'preserveindent' option so that any further screwing
- * with the line doesn't entirely destroy our efforts to preserve
- * it. It gets restored at the function end.
- */
- curbuf->b_p_pi = TRUE;
- }
- else
- (void)set_indent(newindent, SIN_INSERT);
- less_cols -= curwin->w_cursor.col;
-
- ai_col = curwin->w_cursor.col;
-
- /*
- * In REPLACE mode, for each character in the new indent, there must
- * be a NUL on the replace stack, for when it is deleted with BS
- */
- if (REPLACE_NORMAL(State))
- for (n = 0; n < (int)curwin->w_cursor.col; ++n)
- replace_push(NUL);
- newcol += curwin->w_cursor.col;
-#ifdef FEAT_SMARTINDENT
- if (no_si)
- did_si = FALSE;
-#endif
- }
-
-#ifdef FEAT_COMMENTS
- /*
- * In REPLACE mode, for each character in the extra leader, there must be
- * a NUL on the replace stack, for when it is deleted with BS.
- */
- if (REPLACE_NORMAL(State))
- while (lead_len-- > 0)
- replace_push(NUL);
-#endif
-
- curwin->w_cursor = old_cursor;
-
- if (dir == FORWARD)
- {
- if (trunc_line || (State & INSERT))
- {
- /* truncate current line at cursor */
- saved_line[curwin->w_cursor.col] = NUL;
- /* Remove trailing white space, unless OPENLINE_KEEPTRAIL used. */
- if (trunc_line && !(flags & OPENLINE_KEEPTRAIL))
- truncate_spaces(saved_line);
- ml_replace(curwin->w_cursor.lnum, saved_line, FALSE);
- saved_line = NULL;
- if (did_append)
- {
- changed_lines(curwin->w_cursor.lnum, curwin->w_cursor.col,
- curwin->w_cursor.lnum + 1, 1L);
- did_append = FALSE;
-
- /* Move marks after the line break to the new line. */
- if (flags & OPENLINE_MARKFIX)
- mark_col_adjust(curwin->w_cursor.lnum,
- curwin->w_cursor.col + less_cols_off,
- 1L, (long)-less_cols, 0);
- }
- else
- changed_bytes(curwin->w_cursor.lnum, curwin->w_cursor.col);
- }
-
- /*
- * Put the cursor on the new line. Careful: the scrollup() above may
- * have moved w_cursor, we must use old_cursor.
- */
- curwin->w_cursor.lnum = old_cursor.lnum + 1;
- }
- if (did_append)
- changed_lines(curwin->w_cursor.lnum, 0, curwin->w_cursor.lnum, 1L);
-
- curwin->w_cursor.col = newcol;
- curwin->w_cursor.coladd = 0;
-
-#if defined(FEAT_LISP) || defined(FEAT_CINDENT)
- /*
- * In VREPLACE mode, we are handling the replace stack ourselves, so stop
- * fixthisline() from doing it (via change_indent()) by telling it we're in
- * normal INSERT mode.
- */
- if (State & VREPLACE_FLAG)
- {
- vreplace_mode = State; /* So we know to put things right later */
- State = INSERT;
- }
- else
- vreplace_mode = 0;
-#endif
-#ifdef FEAT_LISP
- /*
- * May do lisp indenting.
- */
- if (!p_paste
-# ifdef FEAT_COMMENTS
- && leader == NULL
-# endif
- && curbuf->b_p_lisp
- && curbuf->b_p_ai)
- {
- fixthisline(get_lisp_indent);
- ai_col = (colnr_T)getwhitecols_curline();
- }
-#endif
-#ifdef FEAT_CINDENT
- /*
- * May do indenting after opening a new line.
- */
- if (!p_paste
- && (curbuf->b_p_cin
-# ifdef FEAT_EVAL
- || *curbuf->b_p_inde != NUL
-# endif
- )
- && in_cinkeys(dir == FORWARD
- ? KEY_OPEN_FORW
- : KEY_OPEN_BACK, ' ', linewhite(curwin->w_cursor.lnum)))
- {
- do_c_expr_indent();
- ai_col = (colnr_T)getwhitecols_curline();
- }
-#endif
-#if defined(FEAT_LISP) || defined(FEAT_CINDENT)
- if (vreplace_mode != 0)
- State = vreplace_mode;
-#endif
-
- /*
- * Finally, VREPLACE gets the stuff on the new line, then puts back the
- * original line, and inserts the new stuff char by char, pushing old stuff
- * onto the replace stack (via ins_char()).
- */
- if (State & VREPLACE_FLAG)
- {
- /* Put new line in p_extra */
- p_extra = vim_strsave(ml_get_curline());
- if (p_extra == NULL)
- goto theend;
-
- /* Put back original line */
- ml_replace(curwin->w_cursor.lnum, next_line, FALSE);
-
- /* Insert new stuff into line again */
- curwin->w_cursor.col = 0;
- curwin->w_cursor.coladd = 0;
- ins_bytes(p_extra); /* will call changed_bytes() */
- vim_free(p_extra);
- next_line = NULL;
- }
-
- retval = OK; /* success! */
-theend:
- curbuf->b_p_pi = saved_pi;
- vim_free(saved_line);
- vim_free(next_line);
- vim_free(allocated);
- return retval;
-}
-
-#if defined(FEAT_COMMENTS) || defined(PROTO)
-/*
- * get_leader_len() returns the length in bytes of the prefix of the given
- * string which introduces a comment. If this string is not a comment then
- * 0 is returned.
- * When "flags" is not NULL, it is set to point to the flags of the recognized
- * comment leader.
- * "backward" must be true for the "O" command.
- * If "include_space" is set, include trailing whitespace while calculating the
- * length.
- */
- int
-get_leader_len(
- char_u *line,
- char_u **flags,
- int backward,
- int include_space)
-{
- int i, j;
- int result;
- int got_com = FALSE;
- int found_one;
- char_u part_buf[COM_MAX_LEN]; /* buffer for one option part */
- char_u *string; /* pointer to comment string */
- char_u *list;
- int middle_match_len = 0;
- char_u *prev_list;
- char_u *saved_flags = NULL;
-
- result = i = 0;
- while (VIM_ISWHITE(line[i])) /* leading white space is ignored */
- ++i;
-
- /*
- * Repeat to match several nested comment strings.
- */
- while (line[i] != NUL)
- {
- /*
- * scan through the 'comments' option for a match
- */
- found_one = FALSE;
- for (list = curbuf->b_p_com; *list; )
- {
- /* Get one option part into part_buf[]. Advance "list" to next
- * one. Put "string" at start of string. */
- if (!got_com && flags != NULL)
- *flags = list; /* remember where flags started */
- prev_list = list;
- (void)copy_option_part(&list, part_buf, COM_MAX_LEN, ",");
- string = vim_strchr(part_buf, ':');
- if (string == NULL) /* missing ':', ignore this part */
- continue;
- *string++ = NUL; /* isolate flags from string */
-
- /* If we found a middle match previously, use that match when this
- * is not a middle or end. */
- if (middle_match_len != 0
- && vim_strchr(part_buf, COM_MIDDLE) == NULL
- && vim_strchr(part_buf, COM_END) == NULL)
- break;
-
- /* When we already found a nested comment, only accept further
- * nested comments. */
- if (got_com && vim_strchr(part_buf, COM_NEST) == NULL)
- continue;
-
- /* When 'O' flag present and using "O" command skip this one. */
- if (backward && vim_strchr(part_buf, COM_NOBACK) != NULL)
- continue;
-
- /* Line contents and string must match.
- * When string starts with white space, must have some white space
- * (but the amount does not need to match, there might be a mix of
- * TABs and spaces). */
- if (VIM_ISWHITE(string[0]))
- {
- if (i == 0 || !VIM_ISWHITE(line[i - 1]))
- continue; /* missing white space */
- while (VIM_ISWHITE(string[0]))
- ++string;
- }
- for (j = 0; string[j] != NUL && string[j] == line[i + j]; ++j)
- ;
- if (string[j] != NUL)
- continue; /* string doesn't match */
-
- /* When 'b' flag used, there must be white space or an
- * end-of-line after the string in the line. */
- if (vim_strchr(part_buf, COM_BLANK) != NULL
- && !VIM_ISWHITE(line[i + j]) && line[i + j] != NUL)
- continue;
-
- /* We have found a match, stop searching unless this is a middle
- * comment. The middle comment can be a substring of the end
- * comment in which case it's better to return the length of the
- * end comment and its flags. Thus we keep searching with middle
- * and end matches and use an end match if it matches better. */
- if (vim_strchr(part_buf, COM_MIDDLE) != NULL)
- {
- if (middle_match_len == 0)
- {
- middle_match_len = j;
- saved_flags = prev_list;
- }
- continue;
+ continue;
}
if (middle_match_len != 0 && j > middle_match_len)
/* Use this match instead of the middle match, since it's a
return 9999;
lines += 1;
- if (col > width)
- lines += (col - width) / (width + win_col_off2(wp)) + 1;
- return lines;
-}
-
- int
-plines_m_win(win_T *wp, linenr_T first, linenr_T last)
-{
- int count = 0;
-
- while (first <= last)
- {
-#ifdef FEAT_FOLDING
- int x;
-
- /* Check if there are any really folded lines, but also included lines
- * that are maybe folded. */
- x = foldedCount(wp, first, NULL);
- if (x > 0)
- {
- ++count; /* count 1 for "+-- folded" line */
- first += x;
- }
- else
-#endif
- {
-#ifdef FEAT_DIFF
- if (first == wp->w_topline)
- count += plines_win_nofill(wp, first, TRUE) + wp->w_topfill;
- else
-#endif
- count += plines_win(wp, first, TRUE);
- ++first;
- }
- }
- return (count);
-}
-
-/*
- * Insert string "p" at the cursor position. Stops at a NUL byte.
- * Handles Replace mode and multi-byte characters.
- */
- void
-ins_bytes(char_u *p)
-{
- ins_bytes_len(p, (int)STRLEN(p));
-}
-
-/*
- * Insert string "p" with length "len" at the cursor position.
- * Handles Replace mode and multi-byte characters.
- */
- void
-ins_bytes_len(char_u *p, int len)
-{
- int i;
- int n;
-
- if (has_mbyte)
- for (i = 0; i < len; i += n)
- {
- if (enc_utf8)
- // avoid reading past p[len]
- n = utfc_ptr2len_len(p + i, len - i);
- else
- n = (*mb_ptr2len)(p + i);
- ins_char_bytes(p + i, n);
- }
- else
- for (i = 0; i < len; ++i)
- ins_char(p[i]);
-}
-
-/*
- * Insert or replace a single character at the cursor position.
- * When in REPLACE or VREPLACE mode, replace any existing character.
- * Caller must have prepared for undo.
- * For multi-byte characters we get the whole character, the caller must
- * convert bytes to a character.
- */
- void
-ins_char(int c)
-{
- char_u buf[MB_MAXBYTES + 1];
- int n = (*mb_char2bytes)(c, buf);
-
- /* When "c" is 0x100, 0x200, etc. we don't want to insert a NUL byte.
- * Happens for CTRL-Vu9900. */
- if (buf[0] == 0)
- buf[0] = '\n';
-
- ins_char_bytes(buf, n);
-}
-
- void
-ins_char_bytes(char_u *buf, int charlen)
-{
- int c = buf[0];
- int newlen; // nr of bytes inserted
- int oldlen; // nr of bytes deleted (0 when not replacing)
- char_u *p;
- char_u *newp;
- char_u *oldp;
- int linelen; // length of old line including NUL
- colnr_T col;
- linenr_T lnum = curwin->w_cursor.lnum;
- int i;
-
- /* Break tabs if needed. */
- if (virtual_active() && curwin->w_cursor.coladd > 0)
- coladvance_force(getviscol());
-
- col = curwin->w_cursor.col;
- oldp = ml_get(lnum);
- linelen = (int)STRLEN(oldp) + 1;
-
- /* The lengths default to the values for when not replacing. */
- oldlen = 0;
- newlen = charlen;
-
- if (State & REPLACE_FLAG)
- {
- if (State & VREPLACE_FLAG)
- {
- colnr_T new_vcol = 0; /* init for GCC */
- colnr_T vcol;
- int old_list;
-
- /*
- * Disable 'list' temporarily, unless 'cpo' contains the 'L' flag.
- * Returns the old value of list, so when finished,
- * curwin->w_p_list should be set back to this.
- */
- old_list = curwin->w_p_list;
- if (old_list && vim_strchr(p_cpo, CPO_LISTWM) == NULL)
- curwin->w_p_list = FALSE;
-
- /*
- * In virtual replace mode each character may replace one or more
- * characters (zero if it's a TAB). Count the number of bytes to
- * be deleted to make room for the new character, counting screen
- * cells. May result in adding spaces to fill a gap.
- */
- getvcol(curwin, &curwin->w_cursor, NULL, &vcol, NULL);
- new_vcol = vcol + chartabsize(buf, vcol);
- while (oldp[col + oldlen] != NUL && vcol < new_vcol)
- {
- vcol += chartabsize(oldp + col + oldlen, vcol);
- /* Don't need to remove a TAB that takes us to the right
- * position. */
- if (vcol > new_vcol && oldp[col + oldlen] == TAB)
- break;
- oldlen += (*mb_ptr2len)(oldp + col + oldlen);
- /* Deleted a bit too much, insert spaces. */
- if (vcol > new_vcol)
- newlen += vcol - new_vcol;
- }
- curwin->w_p_list = old_list;
- }
- else if (oldp[col] != NUL)
- {
- /* normal replace */
- oldlen = (*mb_ptr2len)(oldp + col);
- }
-
-
- /* Push the replaced bytes onto the replace stack, so that they can be
- * put back when BS is used. The bytes of a multi-byte character are
- * done the other way around, so that the first byte is popped off
- * first (it tells the byte length of the character). */
- replace_push(NUL);
- for (i = 0; i < oldlen; ++i)
- {
- if (has_mbyte)
- i += replace_push_mb(oldp + col + i) - 1;
- else
- replace_push(oldp[col + i]);
- }
- }
-
- newp = alloc_check((unsigned)(linelen + newlen - oldlen));
- if (newp == NULL)
- return;
-
- /* Copy bytes before the cursor. */
- if (col > 0)
- mch_memmove(newp, oldp, (size_t)col);
-
- /* Copy bytes after the changed character(s). */
- p = newp + col;
- if (linelen > col + oldlen)
- mch_memmove(p + newlen, oldp + col + oldlen,
- (size_t)(linelen - col - oldlen));
-
- /* Insert or overwrite the new character. */
- mch_memmove(p, buf, charlen);
- i = charlen;
-
- /* Fill with spaces when necessary. */
- while (i < newlen)
- p[i++] = ' ';
-
- // Replace the line in the buffer.
- ml_replace(lnum, newp, FALSE);
-
- // mark the buffer as changed and prepare for displaying
- inserted_bytes(lnum, col, newlen - oldlen);
-
- /*
- * If we're in Insert or Replace mode and 'showmatch' is set, then briefly
- * show the match for right parens and braces.
- */
- if (p_sm && (State & INSERT)
- && msg_silent == 0
-#ifdef FEAT_INS_EXPAND
- && !ins_compl_active()
-#endif
- )
- {
- if (has_mbyte)
- showmatch(mb_ptr2char(buf));
- else
- showmatch(c);
- }
-
-#ifdef FEAT_RIGHTLEFT
- if (!p_ri || (State & REPLACE_FLAG))
-#endif
- {
- /* Normal insert: move cursor right */
- curwin->w_cursor.col += charlen;
- }
- /*
- * TODO: should try to update w_row here, to avoid recomputing it later.
- */
-}
-
-/*
- * Insert a string at the cursor position.
- * Note: Does NOT handle Replace mode.
- * Caller must have prepared for undo.
- */
- void
-ins_str(char_u *s)
-{
- char_u *oldp, *newp;
- int newlen = (int)STRLEN(s);
- int oldlen;
- colnr_T col;
- linenr_T lnum = curwin->w_cursor.lnum;
-
- if (virtual_active() && curwin->w_cursor.coladd > 0)
- coladvance_force(getviscol());
-
- col = curwin->w_cursor.col;
- oldp = ml_get(lnum);
- oldlen = (int)STRLEN(oldp);
-
- newp = alloc_check((unsigned)(oldlen + newlen + 1));
- if (newp == NULL)
- return;
- if (col > 0)
- mch_memmove(newp, oldp, (size_t)col);
- mch_memmove(newp + col, s, (size_t)newlen);
- mch_memmove(newp + col + newlen, oldp + col, (size_t)(oldlen - col + 1));
- ml_replace(lnum, newp, FALSE);
- inserted_bytes(lnum, col, newlen);
- curwin->w_cursor.col += newlen;
-}
-
-/*
- * Delete one character under the cursor.
- * If "fixpos" is TRUE, don't leave the cursor on the NUL after the line.
- * Caller must have prepared for undo.
- *
- * return FAIL for failure, OK otherwise
- */
- int
-del_char(int fixpos)
-{
- if (has_mbyte)
- {
- /* Make sure the cursor is at the start of a character. */
- mb_adjust_cursor();
- if (*ml_get_cursor() == NUL)
- return FAIL;
- return del_chars(1L, fixpos);
- }
- return del_bytes(1L, fixpos, TRUE);
-}
-
-/*
- * Like del_bytes(), but delete characters instead of bytes.
- */
- int
-del_chars(long count, int fixpos)
-{
- long bytes = 0;
- long i;
- char_u *p;
- int l;
-
- p = ml_get_cursor();
- for (i = 0; i < count && *p != NUL; ++i)
- {
- l = (*mb_ptr2len)(p);
- bytes += l;
- p += l;
- }
- return del_bytes(bytes, fixpos, TRUE);
-}
-
-/*
- * Delete "count" bytes under the cursor.
- * If "fixpos" is TRUE, don't leave the cursor on the NUL after the line.
- * Caller must have prepared for undo.
- *
- * Return FAIL for failure, OK otherwise.
- */
- int
-del_bytes(
- long count,
- int fixpos_arg,
- int use_delcombine UNUSED) /* 'delcombine' option applies */
-{
- char_u *oldp, *newp;
- colnr_T oldlen;
- colnr_T newlen;
- linenr_T lnum = curwin->w_cursor.lnum;
- colnr_T col = curwin->w_cursor.col;
- int alloc_newp;
- long movelen;
- int fixpos = fixpos_arg;
-
- oldp = ml_get(lnum);
- oldlen = (int)STRLEN(oldp);
-
- /* Can't do anything when the cursor is on the NUL after the line. */
- if (col >= oldlen)
- return FAIL;
-
- /* If "count" is zero there is nothing to do. */
- if (count == 0)
- return OK;
-
- /* If "count" is negative the caller must be doing something wrong. */
- if (count < 1)
- {
- siemsg("E950: Invalid count for del_bytes(): %ld", count);
- return FAIL;
- }
-
- /* If 'delcombine' is set and deleting (less than) one character, only
- * delete the last combining character. */
- if (p_deco && use_delcombine && enc_utf8
- && utfc_ptr2len(oldp + col) >= count)
- {
- int cc[MAX_MCO];
- int n;
-
- (void)utfc_ptr2char(oldp + col, cc);
- if (cc[0] != NUL)
- {
- /* Find the last composing char, there can be several. */
- n = col;
- do
- {
- col = n;
- count = utf_ptr2len(oldp + n);
- n += count;
- } while (UTF_COMPOSINGLIKE(oldp + col, oldp + n));
- fixpos = 0;
- }
- }
-
- /*
- * When count is too big, reduce it.
- */
- movelen = (long)oldlen - (long)col - count + 1; /* includes trailing NUL */
- if (movelen <= 1)
- {
- /*
- * If we just took off the last character of a non-blank line, and
- * fixpos is TRUE, we don't want to end up positioned at the NUL,
- * unless "restart_edit" is set or 'virtualedit' contains "onemore".
- */
- if (col > 0 && fixpos && restart_edit == 0
- && (ve_flags & VE_ONEMORE) == 0)
- {
- --curwin->w_cursor.col;
- curwin->w_cursor.coladd = 0;
- if (has_mbyte)
- curwin->w_cursor.col -=
- (*mb_head_off)(oldp, oldp + curwin->w_cursor.col);
- }
- count = oldlen - col;
- movelen = 1;
- }
- newlen = oldlen - count;
-
- /*
- * If the old line has been allocated the deletion can be done in the
- * existing line. Otherwise a new line has to be allocated
- * Can't do this when using Netbeans, because we would need to invoke
- * netbeans_removed(), which deallocates the line. Let ml_replace() take
- * care of notifying Netbeans.
- */
-#ifdef FEAT_NETBEANS_INTG
- if (netbeans_active())
- alloc_newp = TRUE;
- else
-#endif
- alloc_newp = !ml_line_alloced(); // check if oldp was allocated
- if (!alloc_newp)
- newp = oldp; // use same allocated memory
- else
- { // need to allocate a new line
- newp = alloc((unsigned)(newlen + 1));
- if (newp == NULL)
- return FAIL;
- mch_memmove(newp, oldp, (size_t)col);
- }
- mch_memmove(newp + col, oldp + col + count, (size_t)movelen);
- if (alloc_newp)
- ml_replace(lnum, newp, FALSE);
-#ifdef FEAT_TEXT_PROP
- else
- {
- // Also move any following text properties.
- if (oldlen + 1 < curbuf->b_ml.ml_line_len)
- mch_memmove(newp + newlen + 1, oldp + oldlen + 1,
- (size_t)curbuf->b_ml.ml_line_len - oldlen - 1);
- curbuf->b_ml.ml_line_len -= count;
- }
-#endif
-
- // mark the buffer as changed and prepare for displaying
- inserted_bytes(lnum, curwin->w_cursor.col, -count);
-
- return OK;
-}
-
-/*
- * Delete from cursor to end of line.
- * Caller must have prepared for undo.
- *
- * return FAIL for failure, OK otherwise
- */
- int
-truncate_line(
- int fixpos) /* if TRUE fix the cursor position when done */
-{
- char_u *newp;
- linenr_T lnum = curwin->w_cursor.lnum;
- colnr_T col = curwin->w_cursor.col;
-
- if (col == 0)
- newp = vim_strsave((char_u *)"");
- else
- newp = vim_strnsave(ml_get(lnum), col);
-
- if (newp == NULL)
- return FAIL;
-
- ml_replace(lnum, newp, FALSE);
-
- /* mark the buffer as changed and prepare for displaying */
- changed_bytes(lnum, curwin->w_cursor.col);
-
- /*
- * If "fixpos" is TRUE we don't want to end up positioned at the NUL.
- */
- if (fixpos && curwin->w_cursor.col > 0)
- --curwin->w_cursor.col;
-
- return OK;
-}
-
-/*
- * Delete "nlines" lines at the cursor.
- * Saves the lines for undo first if "undo" is TRUE.
- */
- void
-del_lines(
- long nlines, /* number of lines to delete */
- int undo) /* if TRUE, prepare for undo */
-{
- long n;
- linenr_T first = curwin->w_cursor.lnum;
-
- if (nlines <= 0)
- return;
+ if (col > width)
+ lines += (col - width) / (width + win_col_off2(wp)) + 1;
+ return lines;
+}
- /* save the deleted lines for undo */
- if (undo && u_savedel(first, nlines) == FAIL)
- return;
+ int
+plines_m_win(win_T *wp, linenr_T first, linenr_T last)
+{
+ int count = 0;
- for (n = 0; n < nlines; )
+ while (first <= last)
{
- if (curbuf->b_ml.ml_flags & ML_EMPTY) /* nothing to delete */
- break;
-
- ml_delete(first, TRUE);
- ++n;
+#ifdef FEAT_FOLDING
+ int x;
- /* If we delete the last line in the file, stop */
- if (first > curbuf->b_ml.ml_line_count)
- break;
+ /* Check if there are any really folded lines, but also included lines
+ * that are maybe folded. */
+ x = foldedCount(wp, first, NULL);
+ if (x > 0)
+ {
+ ++count; /* count 1 for "+-- folded" line */
+ first += x;
+ }
+ else
+#endif
+ {
+#ifdef FEAT_DIFF
+ if (first == wp->w_topline)
+ count += plines_win_nofill(wp, first, TRUE) + wp->w_topfill;
+ else
+#endif
+ count += plines_win(wp, first, TRUE);
+ ++first;
+ }
}
-
- /* Correct the cursor position before calling deleted_lines_mark(), it may
- * trigger a callback to display the cursor. */
- curwin->w_cursor.col = 0;
- check_cursor_lnum();
-
- /* adjust marks, mark the buffer as changed and prepare for displaying */
- deleted_lines_mark(first, n);
+ return (count);
}
int
return p;
}
-/*
- * Call this function when something in the current buffer is changed.
- *
- * Most often called through changed_bytes() and changed_lines(), which also
- * mark the area of the display to be redrawn.
- *
- * Careful: may trigger autocommands that reload the buffer.
- */
- void
-changed(void)
-{
-#if defined(FEAT_XIM) && defined(FEAT_GUI_GTK)
- if (p_imst == IM_ON_THE_SPOT)
- {
- /* The text of the preediting area is inserted, but this doesn't
- * mean a change of the buffer yet. That is delayed until the
- * text is committed. (this means preedit becomes empty) */
- if (im_is_preediting() && !xim_changed_while_preediting)
- return;
- xim_changed_while_preediting = FALSE;
- }
-#endif
-
- if (!curbuf->b_changed)
- {
- int save_msg_scroll = msg_scroll;
-
- /* Give a warning about changing a read-only file. This may also
- * check-out the file, thus change "curbuf"! */
- change_warning(0);
-
- /* Create a swap file if that is wanted.
- * Don't do this for "nofile" and "nowrite" buffer types. */
- if (curbuf->b_may_swap
-#ifdef FEAT_QUICKFIX
- && !bt_dontwrite(curbuf)
-#endif
- )
- {
- int save_need_wait_return = need_wait_return;
-
- need_wait_return = FALSE;
- ml_open_file(curbuf);
-
- /* The ml_open_file() can cause an ATTENTION message.
- * Wait two seconds, to make sure the user reads this unexpected
- * message. Since we could be anywhere, call wait_return() now,
- * and don't let the emsg() set msg_scroll. */
- if (need_wait_return && emsg_silent == 0)
- {
- out_flush();
- ui_delay(2000L, TRUE);
- wait_return(TRUE);
- msg_scroll = save_msg_scroll;
- }
- else
- need_wait_return = save_need_wait_return;
- }
- changed_int();
- }
- ++CHANGEDTICK(curbuf);
-
-#ifdef FEAT_SEARCH_EXTRA
- // If a pattern is highlighted, the position may now be invalid.
- highlight_match = FALSE;
-#endif
-}
-
-/*
- * Internal part of changed(), no user interaction.
- */
- void
-changed_int(void)
-{
- curbuf->b_changed = TRUE;
- ml_setflags(curbuf);
- check_status(curbuf);
- redraw_tabline = TRUE;
-#ifdef FEAT_TITLE
- need_maketitle = TRUE; /* set window title later */
-#endif
-}
-
-static void changedOneline(buf_T *buf, linenr_T lnum);
-static void changed_lines_buf(buf_T *buf, linenr_T lnum, linenr_T lnume, long xtra);
-static void changed_common(linenr_T lnum, colnr_T col, linenr_T lnume, long xtra);
-
-/*
- * Changed bytes within a single line for the current buffer.
- * - marks the windows on this buffer to be redisplayed
- * - marks the buffer changed by calling changed()
- * - invalidates cached values
- * Careful: may trigger autocommands that reload the buffer.
- */
- void
-changed_bytes(linenr_T lnum, colnr_T col)
-{
- changedOneline(curbuf, lnum);
- changed_common(lnum, col, lnum + 1, 0L);
-
-#ifdef FEAT_DIFF
- /* Diff highlighting in other diff windows may need to be updated too. */
- if (curwin->w_p_diff)
- {
- win_T *wp;
- linenr_T wlnum;
-
- FOR_ALL_WINDOWS(wp)
- if (wp->w_p_diff && wp != curwin)
- {
- redraw_win_later(wp, VALID);
- wlnum = diff_lnum_win(lnum, wp);
- if (wlnum > 0)
- changedOneline(wp->w_buffer, wlnum);
- }
- }
-#endif
-}
-
-/*
- * Like changed_bytes() but also adjust text properties for "added" bytes.
- * When "added" is negative text was deleted.
- */
- void
-inserted_bytes(linenr_T lnum, colnr_T col, int added UNUSED)
-{
- changed_bytes(lnum, col);
-
-#ifdef FEAT_TEXT_PROP
- if (curbuf->b_has_textprop && added != 0)
- adjust_prop_columns(lnum, col, added);
-#endif
-}
-
- static void
-changedOneline(buf_T *buf, linenr_T lnum)
-{
- if (buf->b_mod_set)
- {
- /* find the maximum area that must be redisplayed */
- if (lnum < buf->b_mod_top)
- buf->b_mod_top = lnum;
- else if (lnum >= buf->b_mod_bot)
- buf->b_mod_bot = lnum + 1;
- }
- else
- {
- /* set the area that must be redisplayed to one line */
- buf->b_mod_set = TRUE;
- buf->b_mod_top = lnum;
- buf->b_mod_bot = lnum + 1;
- buf->b_mod_xlines = 0;
- }
-}
-
-/*
- * Appended "count" lines below line "lnum" in the current buffer.
- * Must be called AFTER the change and after mark_adjust().
- * Takes care of marking the buffer to be redrawn and sets the changed flag.
- */
- void
-appended_lines(linenr_T lnum, long count)
-{
- changed_lines(lnum + 1, 0, lnum + 1, count);
-}
-
-/*
- * Like appended_lines(), but adjust marks first.
- */
- void
-appended_lines_mark(linenr_T lnum, long count)
-{
- /* Skip mark_adjust when adding a line after the last one, there can't
- * be marks there. But it's still needed in diff mode. */
- if (lnum + count < curbuf->b_ml.ml_line_count
-#ifdef FEAT_DIFF
- || curwin->w_p_diff
-#endif
- )
- mark_adjust(lnum + 1, (linenr_T)MAXLNUM, count, 0L);
- changed_lines(lnum + 1, 0, lnum + 1, count);
-}
-
-/*
- * Deleted "count" lines at line "lnum" in the current buffer.
- * Must be called AFTER the change and after mark_adjust().
- * Takes care of marking the buffer to be redrawn and sets the changed flag.
- */
- void
-deleted_lines(linenr_T lnum, long count)
-{
- changed_lines(lnum, 0, lnum + count, -count);
-}
-
-/*
- * Like deleted_lines(), but adjust marks first.
- * Make sure the cursor is on a valid line before calling, a GUI callback may
- * be triggered to display the cursor.
- */
- void
-deleted_lines_mark(linenr_T lnum, long count)
-{
- mark_adjust(lnum, (linenr_T)(lnum + count - 1), (long)MAXLNUM, -count);
- changed_lines(lnum, 0, lnum + count, -count);
-}
-
-/*
- * Changed lines for the current buffer.
- * Must be called AFTER the change and after mark_adjust().
- * - mark the buffer changed by calling changed()
- * - mark the windows on this buffer to be redisplayed
- * - invalidate cached values
- * "lnum" is the first line that needs displaying, "lnume" the first line
- * below the changed lines (BEFORE the change).
- * When only inserting lines, "lnum" and "lnume" are equal.
- * Takes care of calling changed() and updating b_mod_*.
- * Careful: may trigger autocommands that reload the buffer.
- */
- void
-changed_lines(
- linenr_T lnum, /* first line with change */
- colnr_T col, /* column in first line with change */
- linenr_T lnume, /* line below last changed line */
- long xtra) /* number of extra lines (negative when deleting) */
-{
- changed_lines_buf(curbuf, lnum, lnume, xtra);
-
-#ifdef FEAT_DIFF
- if (xtra == 0 && curwin->w_p_diff && !diff_internal())
- {
- /* When the number of lines doesn't change then mark_adjust() isn't
- * called and other diff buffers still need to be marked for
- * displaying. */
- win_T *wp;
- linenr_T wlnum;
-
- FOR_ALL_WINDOWS(wp)
- if (wp->w_p_diff && wp != curwin)
- {
- redraw_win_later(wp, VALID);
- wlnum = diff_lnum_win(lnum, wp);
- if (wlnum > 0)
- changed_lines_buf(wp->w_buffer, wlnum,
- lnume - lnum + wlnum, 0L);
- }
- }
-#endif
-
- changed_common(lnum, col, lnume, xtra);
-}
-
- static void
-changed_lines_buf(
- buf_T *buf,
- linenr_T lnum, /* first line with change */
- linenr_T lnume, /* line below last changed line */
- long xtra) /* number of extra lines (negative when deleting) */
-{
- if (buf->b_mod_set)
- {
- /* find the maximum area that must be redisplayed */
- if (lnum < buf->b_mod_top)
- buf->b_mod_top = lnum;
- if (lnum < buf->b_mod_bot)
- {
- /* adjust old bot position for xtra lines */
- buf->b_mod_bot += xtra;
- if (buf->b_mod_bot < lnum)
- buf->b_mod_bot = lnum;
- }
- if (lnume + xtra > buf->b_mod_bot)
- buf->b_mod_bot = lnume + xtra;
- buf->b_mod_xlines += xtra;
- }
- else
- {
- /* set the area that must be redisplayed */
- buf->b_mod_set = TRUE;
- buf->b_mod_top = lnum;
- buf->b_mod_bot = lnume + xtra;
- buf->b_mod_xlines = xtra;
- }
-}
-
-/*
- * Common code for when a change is was made.
- * See changed_lines() for the arguments.
- * Careful: may trigger autocommands that reload the buffer.
- */
- static void
-changed_common(
- linenr_T lnum,
- colnr_T col,
- linenr_T lnume,
- long xtra)
-{
- win_T *wp;
- tabpage_T *tp;
- int i;
-#ifdef FEAT_JUMPLIST
- int cols;
- pos_T *p;
- int add;
-#endif
-
- /* mark the buffer as modified */
- changed();
-
-#ifdef FEAT_DIFF
- if (curwin->w_p_diff && diff_internal())
- curtab->tp_diff_update = TRUE;
-#endif
-
- /* set the '. mark */
- if (!cmdmod.keepjumps)
- {
- curbuf->b_last_change.lnum = lnum;
- curbuf->b_last_change.col = col;
-
-#ifdef FEAT_JUMPLIST
- /* Create a new entry if a new undo-able change was started or we
- * don't have an entry yet. */
- if (curbuf->b_new_change || curbuf->b_changelistlen == 0)
- {
- if (curbuf->b_changelistlen == 0)
- add = TRUE;
- else
- {
- /* Don't create a new entry when the line number is the same
- * as the last one and the column is not too far away. Avoids
- * creating many entries for typing "xxxxx". */
- p = &curbuf->b_changelist[curbuf->b_changelistlen - 1];
- if (p->lnum != lnum)
- add = TRUE;
- else
- {
- cols = comp_textwidth(FALSE);
- if (cols == 0)
- cols = 79;
- add = (p->col + cols < col || col + cols < p->col);
- }
- }
- if (add)
- {
- /* This is the first of a new sequence of undo-able changes
- * and it's at some distance of the last change. Use a new
- * position in the changelist. */
- curbuf->b_new_change = FALSE;
-
- if (curbuf->b_changelistlen == JUMPLISTSIZE)
- {
- /* changelist is full: remove oldest entry */
- curbuf->b_changelistlen = JUMPLISTSIZE - 1;
- mch_memmove(curbuf->b_changelist, curbuf->b_changelist + 1,
- sizeof(pos_T) * (JUMPLISTSIZE - 1));
- FOR_ALL_TAB_WINDOWS(tp, wp)
- {
- /* Correct position in changelist for other windows on
- * this buffer. */
- if (wp->w_buffer == curbuf && wp->w_changelistidx > 0)
- --wp->w_changelistidx;
- }
- }
- FOR_ALL_TAB_WINDOWS(tp, wp)
- {
- /* For other windows, if the position in the changelist is
- * at the end it stays at the end. */
- if (wp->w_buffer == curbuf
- && wp->w_changelistidx == curbuf->b_changelistlen)
- ++wp->w_changelistidx;
- }
- ++curbuf->b_changelistlen;
- }
- }
- curbuf->b_changelist[curbuf->b_changelistlen - 1] =
- curbuf->b_last_change;
- /* The current window is always after the last change, so that "g,"
- * takes you back to it. */
- curwin->w_changelistidx = curbuf->b_changelistlen;
-#endif
- }
-
- FOR_ALL_TAB_WINDOWS(tp, wp)
- {
- if (wp->w_buffer == curbuf)
- {
- /* Mark this window to be redrawn later. */
- if (wp->w_redr_type < VALID)
- wp->w_redr_type = VALID;
-
- /* Check if a change in the buffer has invalidated the cached
- * values for the cursor. */
-#ifdef FEAT_FOLDING
- /*
- * Update the folds for this window. Can't postpone this, because
- * a following operator might work on the whole fold: ">>dd".
- */
- foldUpdate(wp, lnum, lnume + xtra - 1);
-
- /* The change may cause lines above or below the change to become
- * included in a fold. Set lnum/lnume to the first/last line that
- * might be displayed differently.
- * Set w_cline_folded here as an efficient way to update it when
- * inserting lines just above a closed fold. */
- i = hasFoldingWin(wp, lnum, &lnum, NULL, FALSE, NULL);
- if (wp->w_cursor.lnum == lnum)
- wp->w_cline_folded = i;
- i = hasFoldingWin(wp, lnume, NULL, &lnume, FALSE, NULL);
- if (wp->w_cursor.lnum == lnume)
- wp->w_cline_folded = i;
-
- /* If the changed line is in a range of previously folded lines,
- * compare with the first line in that range. */
- if (wp->w_cursor.lnum <= lnum)
- {
- i = find_wl_entry(wp, lnum);
- if (i >= 0 && wp->w_cursor.lnum > wp->w_lines[i].wl_lnum)
- changed_line_abv_curs_win(wp);
- }
-#endif
-
- if (wp->w_cursor.lnum > lnum)
- changed_line_abv_curs_win(wp);
- else if (wp->w_cursor.lnum == lnum && wp->w_cursor.col >= col)
- changed_cline_bef_curs_win(wp);
- if (wp->w_botline >= lnum)
- {
- /* Assume that botline doesn't change (inserted lines make
- * other lines scroll down below botline). */
- approximate_botline_win(wp);
- }
-
- /* Check if any w_lines[] entries have become invalid.
- * For entries below the change: Correct the lnums for
- * inserted/deleted lines. Makes it possible to stop displaying
- * after the change. */
- for (i = 0; i < wp->w_lines_valid; ++i)
- if (wp->w_lines[i].wl_valid)
- {
- if (wp->w_lines[i].wl_lnum >= lnum)
- {
- if (wp->w_lines[i].wl_lnum < lnume)
- {
- /* line included in change */
- wp->w_lines[i].wl_valid = FALSE;
- }
- else if (xtra != 0)
- {
- /* line below change */
- wp->w_lines[i].wl_lnum += xtra;
-#ifdef FEAT_FOLDING
- wp->w_lines[i].wl_lastlnum += xtra;
-#endif
- }
- }
-#ifdef FEAT_FOLDING
- else if (wp->w_lines[i].wl_lastlnum >= lnum)
- {
- /* change somewhere inside this range of folded lines,
- * may need to be redrawn */
- wp->w_lines[i].wl_valid = FALSE;
- }
-#endif
- }
-
-#ifdef FEAT_FOLDING
- /* Take care of side effects for setting w_topline when folds have
- * changed. Esp. when the buffer was changed in another window. */
- if (hasAnyFolding(wp))
- set_topline(wp, wp->w_topline);
-#endif
- /* relative numbering may require updating more */
- if (wp->w_p_rnu)
- redraw_win_later(wp, SOME_VALID);
- }
- }
-
- /* Call update_screen() later, which checks out what needs to be redrawn,
- * since it notices b_mod_set and then uses b_mod_*. */
- if (must_redraw < VALID)
- must_redraw = VALID;
-
- /* when the cursor line is changed always trigger CursorMoved */
- if (lnum <= curwin->w_cursor.lnum
- && lnume + (xtra < 0 ? -xtra : xtra) > curwin->w_cursor.lnum)
- last_cursormoved.lnum = 0;
-}
-
-/*
- * unchanged() is called when the changed flag must be reset for buffer 'buf'
- */
- void
-unchanged(
- buf_T *buf,
- int ff) /* also reset 'fileformat' */
-{
- if (buf->b_changed || (ff && file_ff_differs(buf, FALSE)))
- {
- buf->b_changed = 0;
- ml_setflags(buf);
- if (ff)
- save_file_ff(buf);
- check_status(buf);
- redraw_tabline = TRUE;
-#ifdef FEAT_TITLE
- need_maketitle = TRUE; /* set window title later */
-#endif
- }
- ++CHANGEDTICK(buf);
-#ifdef FEAT_NETBEANS_INTG
- netbeans_unmodified(buf);
-#endif
-}
-
/*
* check_status: called when the status bars for the buffer 'buf'
* need to be updated
}
}
-/*
- * If the file is readonly, give a warning message with the first change.
- * Don't do this for autocommands.
- * Don't use emsg(), because it flushes the macro buffer.
- * If we have undone all changes b_changed will be FALSE, but "b_did_warn"
- * will be TRUE.
- * Careful: may trigger autocommands that reload the buffer.
- */
- void
-change_warning(
- int col) /* column for message; non-zero when in insert
- mode and 'showmode' is on */
-{
- static char *w_readonly = N_("W10: Warning: Changing a readonly file");
-
- if (curbuf->b_did_warn == FALSE
- && curbufIsChanged() == 0
- && !autocmd_busy
- && curbuf->b_p_ro)
- {
- ++curbuf_lock;
- apply_autocmds(EVENT_FILECHANGEDRO, NULL, NULL, FALSE, curbuf);
- --curbuf_lock;
- if (!curbuf->b_p_ro)
- return;
- /*
- * Do what msg() does, but with a column offset if the warning should
- * be after the mode message.
- */
- msg_start();
- if (msg_row == Rows - 1)
- msg_col = col;
- msg_source(HL_ATTR(HLF_W));
- msg_puts_attr(_(w_readonly), HL_ATTR(HLF_W) | MSG_HIST);
-#ifdef FEAT_EVAL
- set_vim_var_string(VV_WARNINGMSG, (char_u *)_(w_readonly), -1);
-#endif
- msg_clr_eos();
- (void)msg_end();
- if (msg_silent == 0 && !silent_mode
-#ifdef FEAT_EVAL
- && time_for_testing != 1
-#endif
- )
- {
- out_flush();
- ui_delay(1000L, TRUE); /* give the user time to think about it */
- }
- curbuf->b_did_warn = TRUE;
- redraw_cmdline = FALSE; /* don't redraw and erase the message */
- if (msg_row < Rows - 1)
- showmode();
- }
-}
-
/*
* Ask for a reply from the user, a 'y' or a 'n'.
* No other characters are accepted, the message is repeated until a valid
projects / vim / commitdiff