diff options
Diffstat (limited to 'src/nvim/misc1.c')
| -rw-r--r-- | src/nvim/misc1.c | 1741 |
1 files changed, 0 insertions, 1741 deletions
diff --git a/src/nvim/misc1.c b/src/nvim/misc1.c index a62fa6d585..44e2c7df5f 100644 --- a/src/nvim/misc1.c +++ b/src/nvim/misc1.c @@ -65,879 +65,6 @@ static garray_T ga_users = GA_EMPTY_INIT_VALUE; /* - * 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 TRUE for success, FALSE for failure - */ -int -open_line ( - int dir, /* FORWARD or BACKWARD */ - int flags, - int second_line_indent -) -{ - char_u *next_line = NULL; // copy of the next line - char_u *p_extra = NULL; // what goes to next line - colnr_T less_cols = 0; // less columns for mark in new line - colnr_T less_cols_off = 0; // columns to skip for mark adjust - pos_T old_cursor; // old cursor position - colnr_T newcol = 0; // new cursor column - int newindent = 0; // auto-indent of the new line - bool trunc_line = false; // truncate current line afterwards - bool retval = false; // return value - 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 - char_u *allocated = NULL; // allocated memory - char_u *p; - char_u saved_char = NUL; // init for GCC - pos_T *pos; - bool do_si = (!p_paste && curbuf->b_p_si && !curbuf->b_p_cin - && *curbuf->b_p_inde == NUL); - bool no_si = false; // reset did_si afterwards - int first_char = NUL; // init for GCC - int vreplace_mode; - bool did_append; // appended a new line - int saved_pi = curbuf->b_p_pi; // copy of preserveindent setting - - // make a copy of the current line so we can mess with it - char_u *saved_line = vim_strsave(get_cursor_line_ptr()); - - if (State & VREPLACE_FLAG) { - /* - * 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 *)""); - - /* - * 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. - */ - 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; - if (do_si) { /* need first char after new line break */ - p = skipwhite(p_extra); - first_char = *p; - } - extra_len = (int)STRLEN(p_extra); - saved_char = *p_extra; - *p_extra = NUL; - } - - u_clearline(); // cannot do "U" command when adding lines - did_si = false; - ai_col = 0; - - /* - * 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; - - /* - * If 'autoindent' and/or 'smartindent' is set, try to figure out what - * indent to use for the new line. - */ - if (curbuf->b_p_ai - || do_si - ) { - // count white space on current line - newindent = get_indent_str(saved_line, (int)curbuf->b_p_ts, false); - if (newindent == 0 && !(flags & OPENLINE_COM_LIST)) { - newindent = second_line_indent; // for ^^D command in insert mode - } - - /* - * 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; - if (flags & OPENLINE_DO_COM) - lead_len = get_leader_len(ptr, NULL, FALSE, TRUE); - else - lead_len = 0; - if (dir == FORWARD) { - // Skip preprocessor directives, unless they are - // recognised as comments. - if (lead_len == 0 && ptr[0] == '#') { - while (ptr[0] == '#' && curwin->w_cursor.lnum > 1) { - ptr = ml_get(--curwin->w_cursor.lnum); - } - newindent = get_indent(); - } - 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 */ - /* Find last non-blank in line */ - p = ptr + STRLEN(ptr) - 1; - while (p > ptr && ascii_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 && ascii_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 = get_cursor_line_ptr(); - } - } - /* - * 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; - } - } else { // dir == BACKWARD - // Skip preprocessor directives, unless they are - // recognised as comments. - if (lead_len == 0 && ptr[0] == '#') { - bool 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(); - } - } - 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; - } - - did_ai = true; - } - - /* - * 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; - } - size_t 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 (!ascii_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 > 0) { - // allocate buffer (may concatenate p_extra later) - int bytes = lead_len - + lead_repl_len - + extra_space - + extra_len - + (second_line_indent > 0 ? second_line_indent : 0) - + 1; - assert(bytes >= 0); - leader = xmalloc((size_t)bytes); - allocated = leader; // remember to free it later - - STRLCPY(leader, saved_line, lead_len + 1); - - /* - * 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 (ascii_isdigit(*p) || *p == '-') - off = getdigits_int(&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 - && ascii_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) - memmove(endp + l, endp, - (size_t)((leader + lead_len) - endp)); - lead_len += l; - } - 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 = utf_head_off(leader, p); - - if (l > 1) { - p -= l; - if (ptr2cells(p) > 1) { - p[1] = ' '; - --l; - } - memmove(p + 1, p + l + 1, - (size_t)((leader + lead_len) - (p + l + 1))); - lead_len -= l; - *p = ' '; - } else if (!ascii_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) { - memmove(p + lead_repl_len, p + i, - (size_t)(lead_len - i - (p - leader))); - lead_len += lead_repl_len - i; - } - } - 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 (!ascii_iswhite(*p)) { - /* Don't put a space before a TAB. */ - if (p + 1 < leader + lead_len && p[1] == TAB) { - lead_len--; - memmove(p, p + 1, (size_t)(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++ = ' '; - } - memmove(p + 1, p + l, (size_t)(leader + lead_len - p)); - lead_len -= l - 1; - } - *p = ' '; - } - } - *p = NUL; - } - - /* Recompute the indent, it may have changed. */ - if (curbuf->b_p_ai - || do_si - ) - newindent = get_indent_str(leader, (int)curbuf->b_p_ts, false); - - /* 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 && ascii_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 - || did_si - ) { - while (lead_len && ascii_iswhite(*leader)) { - --lead_len; - --newcol; - ++leader; - } - } - - did_si = can_si = false; - } 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 || do_si)) { - 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; - } - } - } - - /* (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') - && !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 */ - - /* concatenate leader and p_extra, if there is a leader */ - if (lead_len > 0) { - 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 */ - - 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 - || curwin->w_p_diff) { - mark_adjust(curwin->w_cursor.lnum + 1, (linenr_T)MAXLNUM, 1L, 0L, false); - } - 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; - } - - inhibit_delete_count++; - if (newindent - || did_si - ) { - ++curwin->w_cursor.lnum; - if (did_si) { - int sw = get_sw_value(curbuf); - - if (p_sr) - newindent -= newindent % sw; - newindent += sw; - } - /* 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 (colnr_T n = 0; n < curwin->w_cursor.col; n++) { - replace_push(NUL); - } - } - newcol += curwin->w_cursor.col; - if (no_si) { - did_si = false; - } - } - inhibit_delete_count--; - - /* - * 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); - - 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, true); - 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, true); - } - - curwin->w_cursor.col = newcol; - curwin->w_cursor.coladd = 0; - - /* - * 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; - /* - * May do lisp indenting. - */ - if (!p_paste - && leader == NULL - && curbuf->b_p_lisp - && curbuf->b_p_ai) { - fixthisline(get_lisp_indent); - ai_col = (colnr_T)getwhitecols_curline(); - } - /* - * May do indenting after opening a new line. - */ - if (!p_paste - && (curbuf->b_p_cin - || *curbuf->b_p_inde != NUL - ) - && 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(); - } - if (vreplace_mode != 0) - State = vreplace_mode; - - /* - * 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(get_cursor_line_ptr()); - - // 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() */ - xfree(p_extra); - next_line = NULL; - } - - retval = true; // success! -theend: - curbuf->b_p_pi = saved_pi; - xfree(saved_line); - xfree(next_line); - xfree(allocated); - return retval; -} - -/* * 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. @@ -1380,401 +507,6 @@ int plines_m_win(win_T *wp, linenr_T first, linenr_T last) 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, 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, size_t len) -{ - if (has_mbyte) { - size_t n; - for (size_t i = 0; i < len; i += n) { - if (enc_utf8) { - // avoid reading past p[len] - n = (size_t)utfc_ptr2len_len(p + i, (int)(len - i)); - } else { - n = (size_t)(*mb_ptr2len)(p + i); - } - ins_char_bytes(p + i, n); - } - } else { - for (size_t 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]; - size_t n = (size_t)utf_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, size_t charlen) -{ - // Break tabs if needed. - if (virtual_active() && curwin->w_cursor.coladd > 0) { - coladvance_force(getviscol()); - } - - size_t col = (size_t)curwin->w_cursor.col; - linenr_T lnum = curwin->w_cursor.lnum; - char_u *oldp = ml_get(lnum); - size_t linelen = STRLEN(oldp) + 1; // length of old line including NUL - - // The lengths default to the values for when not replacing. - size_t oldlen = 0; // nr of bytes inserted - size_t newlen = charlen; // nr of bytes deleted (0 when not replacing) - - if (State & REPLACE_FLAG) { - if (State & VREPLACE_FLAG) { - // 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. - int 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. - colnr_T vcol; - getvcol(curwin, &curwin->w_cursor, NULL, &vcol, NULL); - colnr_T 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 += (size_t)(*mb_ptr2len)(oldp + col + oldlen); - // Deleted a bit too much, insert spaces. - if (vcol > new_vcol) { - newlen += (size_t)(vcol - new_vcol); - } - } - curwin->w_p_list = old_list; - } else if (oldp[col] != NUL) { - // normal replace - oldlen = (size_t)(*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 (size_t i = 0; i < oldlen; i++) { - if (has_mbyte) { - i += (size_t)replace_push_mb(oldp + col + i) - 1; - } else { - replace_push(oldp[col + i]); - } - } - } - - char_u *newp = xmalloc((size_t)(linelen + newlen - oldlen)); - - // Copy bytes before the cursor. - if (col > 0) { - memmove(newp, oldp, (size_t)col); - } - - // Copy bytes after the changed character(s). - char_u *p = newp + col; - if (linelen > col + oldlen) { - memmove(p + newlen, oldp + col + oldlen, - (size_t)(linelen - col - oldlen)); - } - - // Insert or overwrite the new character. - memmove(p, buf, charlen); - - // Fill with spaces when necessary. - for (size_t i = charlen; i < newlen; i++) { - p[i] = ' '; - } - - // Replace the line in the buffer. - ml_replace(lnum, newp, false); - - // mark the buffer as changed and prepare for displaying - changed_bytes(lnum, (colnr_T)col); - - /* - * 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 - && !ins_compl_active() - ) { - showmatch(utf_ptr2char(buf)); - } - - if (!p_ri || (State & REPLACE_FLAG)) { - // Normal insert: move cursor right - curwin->w_cursor.col += (int)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 = (char_u *)xmalloc((size_t)oldlen + (size_t)newlen + 1); - if (col > 0) { - memmove(newp, oldp, (size_t)col); - } - memmove(newp + col, s, (size_t)newlen); - int bytes = oldlen - col + 1; - assert(bytes >= 0); - memmove(newp + col + newlen, oldp + col, (size_t)bytes); - ml_replace(lnum, newp, false); - changed_bytes(lnum, col); - 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(bool fixpos) -{ - if (has_mbyte) { - /* Make sure the cursor is at the start of a character. */ - mb_adjust_cursor(); - if (*get_cursor_pos_ptr() == NUL) - return FAIL; - return del_chars(1L, fixpos); - } - return del_bytes(1, fixpos, true); -} - -/* - * Like del_bytes(), but delete characters instead of bytes. - */ -int del_chars(long count, int fixpos) -{ - int bytes = 0; - long i; - char_u *p; - int l; - - p = get_cursor_pos_ptr(); - 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. -/// -/// @param count number of bytes to be deleted -/// @param fixpos_arg leave the cursor on the NUL after the line -/// @param use_delcombine 'delcombine' option applies -/// -/// @return FAIL for failure, OK otherwise -int del_bytes(colnr_T count, bool fixpos_arg, bool use_delcombine) -{ - linenr_T lnum = curwin->w_cursor.lnum; - colnr_T col = curwin->w_cursor.col; - bool fixpos = fixpos_arg; - char_u *oldp = ml_get(lnum); - colnr_T oldlen = (colnr_T)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) { - IEMSGN("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 = false; - } - } - - // When count is too big, reduce it. - int movelen = oldlen - 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; - curwin->w_cursor.col -= utf_head_off(oldp, oldp + curwin->w_cursor.col); - } - count = oldlen - col; - movelen = 1; - } - - // If the old line has been allocated the deletion can be done in the - // existing line. Otherwise a new line has to be allocated. - bool was_alloced = ml_line_alloced(); // check if oldp was allocated - char_u *newp; - if (was_alloced) { - ml_add_deleted_len(curbuf->b_ml.ml_line_ptr, oldlen); - newp = oldp; // use same allocated memory - } else { // need to allocate a new line - newp = xmalloc((size_t)(oldlen + 1 - count)); - memmove(newp, oldp, (size_t)col); - } - memmove(newp + col, oldp + col + count, (size_t)movelen); - if (!was_alloced) { - ml_replace(lnum, newp, false); - } - - /* mark the buffer as changed and prepare for displaying */ - changed_bytes(lnum, curwin->w_cursor.col); - - return OK; -} - -/* - * Delete from cursor to end of line. - * Caller must have prepared for undo. - */ -void -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), (size_t)col); - } - 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; -} - -/* - * 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; - - /* save the deleted lines for undo */ - if (undo && u_savedel(first, nlines) == FAIL) - return; - - for (n = 0; n < nlines; ) { - if (curbuf->b_ml.ml_flags & ML_EMPTY) /* nothing to delete */ - break; - - ml_delete(first, true); - n++; - - /* If we delete the last line in the file, stop */ - if (first > curbuf->b_ml.ml_line_count) - break; - } - - /* 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); -} - int gchar_pos(pos_T *pos) FUNC_ATTR_NONNULL_ARG(1) { @@ -1786,430 +518,6 @@ int gchar_pos(pos_T *pos) } /* - * 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 (!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 - && !bt_dontwrite(curbuf) - ) { - 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) { - ui_flush(); - os_delay(2000L, true); - wait_return(TRUE); - msg_scroll = save_msg_scroll; - } else { - need_wait_return = save_need_wait_return; - } - } - changed_int(); - } - buf_inc_changedtick(curbuf); - - // If a pattern is highlighted, the position may now be invalid. - highlight_match = false; -} - -/* - * Internal part of changed(), no user interaction. - */ -void changed_int(void) -{ - curbuf->b_changed = true; - ml_setflags(curbuf); - check_status(curbuf); - redraw_tabline = TRUE; - need_maketitle = TRUE; /* set window title later */ -} - - -/* - * 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); - // notify any channels that are watching - buf_updates_send_changes(curbuf, lnum, 1, 1, true); - - /* Diff highlighting in other diff windows may need to be updated too. */ - if (curwin->w_p_diff) { - linenr_T wlnum; - - FOR_ALL_WINDOWS_IN_TAB(wp, curtab) { - 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); - } - } - } -} - -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, true); -} - -/* - * 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 || curwin->w_p_diff) { - mark_adjust(lnum + 1, (linenr_T)MAXLNUM, count, 0L, false); - } - changed_lines(lnum + 1, 0, lnum + 1, count, true); -} - -/* - * 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, true); -} - -/* - * 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, false); - changed_lines(lnum, 0, lnum + count, -count, true); -} - -/* - * 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) - bool do_buf_event // some callers like undo/redo call changed_lines() - // and then increment changedtick *again*. This flag - // allows these callers to send the nvim_buf_lines_event - // events after they're done modifying changedtick. -) -{ - changed_lines_buf(curbuf, lnum, lnume, xtra); - - 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. - linenr_T wlnum; - - FOR_ALL_WINDOWS_IN_TAB(wp, curtab) { - 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); - } - } - } - } - - changed_common(lnum, col, lnume, xtra); - - if (do_buf_event) { - int64_t num_added = (int64_t)(lnume + xtra - lnum); - int64_t num_removed = lnume - lnum; - buf_updates_send_changes(curbuf, lnum, num_added, num_removed, true); - } -} - -/// Mark line range in buffer as changed. -/// -/// @param buf the buffer where lines were changed -/// @param lnum first line with change -/// @param lnume line below last changed line -/// @param xtra number of extra lines (negative when deleting) -void changed_lines_buf(buf_T *buf, linenr_T lnum, linenr_T lnume, long xtra) -{ - 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) -{ - int i; - int cols; - pos_T *p; - int add; - - /* mark the buffer as modified */ - changed(); - - if (curwin->w_p_diff && diff_internal()) { - curtab->tp_diff_update = true; - } - - /* set the '. mark */ - if (!cmdmod.keepjumps) { - RESET_FMARK(&curbuf->b_last_change, ((pos_T) {lnum, col, 0}), 0); - - /* 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].mark; - 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; - memmove(curbuf->b_changelist, curbuf->b_changelist + 1, - sizeof(curbuf->b_changelist[0]) * (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; - } - - 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. */ - /* - * 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. */ - bool folded = hasFoldingWin(wp, lnum, &lnum, NULL, false, NULL); - if (wp->w_cursor.lnum == lnum) - wp->w_cline_folded = folded; - folded = hasFoldingWin(wp, lnume, NULL, &lnume, false, NULL); - if (wp->w_cursor.lnum == lnume) - wp->w_cline_folded = folded; - - /* 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); - } - - 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; - wp->w_lines[i].wl_lastlnum += xtra; - } - } 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; - } - } - - /* 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); - - // 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) - curwin->w_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 = false; - ml_setflags(buf); - if (ff) - save_file_ff(buf); - check_status(buf); - redraw_tabline = TRUE; - need_maketitle = TRUE; /* set window title later */ - } - buf_inc_changedtick(buf); -} - -/* * check_status: called when the status bars for the buffer 'buf' * need to be updated */ @@ -2225,55 +533,6 @@ void check_status(buf_T *buf) } } -/* - * 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_ext_set_kind("wmsg"); - MSG_PUTS_ATTR(_(w_readonly), HL_ATTR(HLF_W) | MSG_HIST); - set_vim_var_string(VV_WARNINGMSG, _(w_readonly), -1); - msg_clr_eos(); - (void)msg_end(); - if (msg_silent == 0 && !silent_mode && ui_active()) { - ui_flush(); - os_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, 'y' or 'n' /// /// No other characters are accepted, the message is repeated until a valid |