diff options
author | Bram Moolenaar <Bram@vim.org> | 2019-07-24 18:13:16 +0200 |
---|---|---|
committer | Bram Moolenaar <Bram@vim.org> | 2019-07-24 18:13:16 +0200 |
commit | bbca7732e8a3deb6e5dcf84739579a2667a75475 (patch) | |
tree | e254132f375b6c1b798e37923185d919dbe85c2b /src | |
parent | 7dfb016d25e3e3e1f4411026dda21d1536f21acc (diff) |
patch 8.1.1743: 'hlsearch' and match highlighting in the wrong placev8.1.1743
Problem: 'hlsearch' and match highlighting in the wrong place.
Solution: Move highlighting from inside screen functions to highlight.c.
Diffstat (limited to 'src')
-rw-r--r-- | src/highlight.c | 606 | ||||
-rw-r--r-- | src/proto/highlight.pro | 6 | ||||
-rw-r--r-- | src/screen.c | 597 | ||||
-rw-r--r-- | src/version.c | 2 |
4 files changed, 641 insertions, 570 deletions
diff --git a/src/highlight.c b/src/highlight.c index fb3aede76e..d02df1b385 100644 --- a/src/highlight.c +++ b/src/highlight.c @@ -3657,6 +3657,9 @@ free_highlight_fonts(void) #if defined(FEAT_SEARCH_EXTRA) || defined(PROTO) + +# define SEARCH_HL_PRIORITY 0 + /* * Add match to the match list of window 'wp'. The pattern 'pat' will be * highlighted with the group 'grp' with priority 'prio'. @@ -3948,7 +3951,610 @@ get_match(win_T *wp, int id) cur = cur->next; return cur; } + +/* + * Init for calling prepare_search_hl(). + */ + void +init_search_hl(win_T *wp, match_T *search_hl) +{ + matchitem_T *cur; + + /* Setup for match and 'hlsearch' highlighting. Disable any previous + * match */ + cur = wp->w_match_head; + while (cur != NULL) + { + cur->hl.rm = cur->match; + if (cur->hlg_id == 0) + cur->hl.attr = 0; + else + cur->hl.attr = syn_id2attr(cur->hlg_id); + cur->hl.buf = wp->w_buffer; + cur->hl.lnum = 0; + cur->hl.first_lnum = 0; +# ifdef FEAT_RELTIME + /* Set the time limit to 'redrawtime'. */ + profile_setlimit(p_rdt, &(cur->hl.tm)); +# endif + cur = cur->next; + } + search_hl->buf = wp->w_buffer; + search_hl->lnum = 0; + search_hl->first_lnum = 0; + /* time limit is set at the toplevel, for all windows */ +} + +/* + * If there is a match fill "shl" and return one. + * Return zero otherwise. + */ + static int +next_search_hl_pos( + match_T *shl, /* points to a match */ + linenr_T lnum, + posmatch_T *posmatch, /* match positions */ + colnr_T mincol) /* minimal column for a match */ +{ + int i; + int found = -1; + + for (i = posmatch->cur; i < MAXPOSMATCH; i++) + { + llpos_T *pos = &posmatch->pos[i]; + + if (pos->lnum == 0) + break; + if (pos->len == 0 && pos->col < mincol) + continue; + if (pos->lnum == lnum) + { + if (found >= 0) + { + /* if this match comes before the one at "found" then swap + * them */ + if (pos->col < posmatch->pos[found].col) + { + llpos_T tmp = *pos; + + *pos = posmatch->pos[found]; + posmatch->pos[found] = tmp; + } + } + else + found = i; + } + } + posmatch->cur = 0; + if (found >= 0) + { + colnr_T start = posmatch->pos[found].col == 0 + ? 0 : posmatch->pos[found].col - 1; + colnr_T end = posmatch->pos[found].col == 0 + ? MAXCOL : start + posmatch->pos[found].len; + + shl->lnum = lnum; + shl->rm.startpos[0].lnum = 0; + shl->rm.startpos[0].col = start; + shl->rm.endpos[0].lnum = 0; + shl->rm.endpos[0].col = end; + shl->is_addpos = TRUE; + posmatch->cur = found + 1; + return 1; + } + return 0; +} + +/* + * Search for a next 'hlsearch' or match. + * Uses shl->buf. + * Sets shl->lnum and shl->rm contents. + * Note: Assumes a previous match is always before "lnum", unless + * shl->lnum is zero. + * Careful: Any pointers for buffer lines will become invalid. + */ + static void +next_search_hl( + win_T *win, + match_T *search_hl, + match_T *shl, // points to search_hl or a match + linenr_T lnum, + colnr_T mincol, // minimal column for a match + matchitem_T *cur) // to retrieve match positions if any +{ + linenr_T l; + colnr_T matchcol; + long nmatched; + int save_called_emsg = called_emsg; + + // for :{range}s/pat only highlight inside the range + if (lnum < search_first_line || lnum > search_last_line) + { + shl->lnum = 0; + return; + } + + if (shl->lnum != 0) + { + /* Check for three situations: + * 1. If the "lnum" is below a previous match, start a new search. + * 2. If the previous match includes "mincol", use it. + * 3. Continue after the previous match. + */ + l = shl->lnum + shl->rm.endpos[0].lnum - shl->rm.startpos[0].lnum; + if (lnum > l) + shl->lnum = 0; + else if (lnum < l || shl->rm.endpos[0].col > mincol) + return; + } + + /* + * Repeat searching for a match until one is found that includes "mincol" + * or none is found in this line. + */ + called_emsg = FALSE; + for (;;) + { +# ifdef FEAT_RELTIME + /* Stop searching after passing the time limit. */ + if (profile_passed_limit(&(shl->tm))) + { + shl->lnum = 0; /* no match found in time */ + break; + } +# endif + /* Three situations: + * 1. No useful previous match: search from start of line. + * 2. Not Vi compatible or empty match: continue at next character. + * Break the loop if this is beyond the end of the line. + * 3. Vi compatible searching: continue at end of previous match. + */ + if (shl->lnum == 0) + matchcol = 0; + else if (vim_strchr(p_cpo, CPO_SEARCH) == NULL + || (shl->rm.endpos[0].lnum == 0 + && shl->rm.endpos[0].col <= shl->rm.startpos[0].col)) + { + char_u *ml; + + matchcol = shl->rm.startpos[0].col; + ml = ml_get_buf(shl->buf, lnum, FALSE) + matchcol; + if (*ml == NUL) + { + ++matchcol; + shl->lnum = 0; + break; + } + if (has_mbyte) + matchcol += mb_ptr2len(ml); + else + ++matchcol; + } + else + matchcol = shl->rm.endpos[0].col; + + shl->lnum = lnum; + if (shl->rm.regprog != NULL) + { + /* Remember whether shl->rm is using a copy of the regprog in + * cur->match. */ + int regprog_is_copy = (shl != search_hl && cur != NULL + && shl == &cur->hl + && cur->match.regprog == cur->hl.rm.regprog); + int timed_out = FALSE; + + nmatched = vim_regexec_multi(&shl->rm, win, shl->buf, lnum, + matchcol, +#ifdef FEAT_RELTIME + &(shl->tm), &timed_out +#else + NULL, NULL #endif + ); + /* Copy the regprog, in case it got freed and recompiled. */ + if (regprog_is_copy) + cur->match.regprog = cur->hl.rm.regprog; + + if (called_emsg || got_int || timed_out) + { + /* Error while handling regexp: stop using this regexp. */ + if (shl == search_hl) + { + /* don't free regprog in the match list, it's a copy */ + vim_regfree(shl->rm.regprog); + set_no_hlsearch(TRUE); + } + shl->rm.regprog = NULL; + shl->lnum = 0; + got_int = FALSE; /* avoid the "Type :quit to exit Vim" + message */ + break; + } + } + else if (cur != NULL) + nmatched = next_search_hl_pos(shl, lnum, &(cur->pos), matchcol); + else + nmatched = 0; + if (nmatched == 0) + { + shl->lnum = 0; /* no match found */ + break; + } + if (shl->rm.startpos[0].lnum > 0 + || shl->rm.startpos[0].col >= mincol + || nmatched > 1 + || shl->rm.endpos[0].col > mincol) + { + shl->lnum += shl->rm.startpos[0].lnum; + break; /* useful match found */ + } + } + + // Restore called_emsg for assert_fails(). + called_emsg = save_called_emsg; +} + +/* + * Advance to the match in window "wp" line "lnum" or past it. + */ + void +prepare_search_hl(win_T *wp, match_T *search_hl, linenr_T lnum) +{ + matchitem_T *cur; /* points to the match list */ + match_T *shl; /* points to search_hl or a match */ + int shl_flag; /* flag to indicate whether search_hl + has been processed or not */ + int pos_inprogress; /* marks that position match search is + in progress */ + int n; + + /* + * When using a multi-line pattern, start searching at the top + * of the window or just after a closed fold. + * Do this both for search_hl and the match list. + */ + cur = wp->w_match_head; + shl_flag = WIN_IS_POPUP(wp); // skip search_hl in a popup window + while (cur != NULL || shl_flag == FALSE) + { + if (shl_flag == FALSE) + { + shl = search_hl; + shl_flag = TRUE; + } + else + shl = &cur->hl; + if (shl->rm.regprog != NULL + && shl->lnum == 0 + && re_multiline(shl->rm.regprog)) + { + if (shl->first_lnum == 0) + { +# ifdef FEAT_FOLDING + for (shl->first_lnum = lnum; + shl->first_lnum > wp->w_topline; --shl->first_lnum) + if (hasFoldingWin(wp, shl->first_lnum - 1, + NULL, NULL, TRUE, NULL)) + break; +# else + shl->first_lnum = wp->w_topline; +# endif + } + if (cur != NULL) + cur->pos.cur = 0; + pos_inprogress = TRUE; + n = 0; + while (shl->first_lnum < lnum && (shl->rm.regprog != NULL + || (cur != NULL && pos_inprogress))) + { + next_search_hl(wp, search_hl, shl, shl->first_lnum, (colnr_T)n, + shl == search_hl ? NULL : cur); + pos_inprogress = cur == NULL || cur->pos.cur == 0 + ? FALSE : TRUE; + if (shl->lnum != 0) + { + shl->first_lnum = shl->lnum + + shl->rm.endpos[0].lnum + - shl->rm.startpos[0].lnum; + n = shl->rm.endpos[0].col; + } + else + { + ++shl->first_lnum; + n = 0; + } + } + } + if (shl != search_hl && cur != NULL) + cur = cur->next; + } +} + +/* + * Prepare for 'hlsearch' and match highlighting in one window line. + * Return TRUE if there is such highlighting and set "search_attr" to the + * current highlight attribute. + */ + int +prepare_search_hl_line( + win_T *wp, + linenr_T lnum, + colnr_T mincol, + char_u **line, + match_T *search_hl, + int *search_attr) +{ + matchitem_T *cur; // points to the match list + match_T *shl; // points to search_hl or a match + int shl_flag; // flag to indicate whether search_hl + // has been processed or not + int area_highlighting = FALSE; + + /* + * Handle highlighting the last used search pattern and matches. + * Do this for both search_hl and the match list. + * Do not use search_hl in a popup window. + */ + cur = wp->w_match_head; + shl_flag = WIN_IS_POPUP(wp); + while (cur != NULL || shl_flag == FALSE) + { + if (shl_flag == FALSE) + { + shl = search_hl; + shl_flag = TRUE; + } + else + shl = &cur->hl; + shl->startcol = MAXCOL; + shl->endcol = MAXCOL; + shl->attr_cur = 0; + shl->is_addpos = FALSE; + if (cur != NULL) + cur->pos.cur = 0; + next_search_hl(wp, search_hl, shl, lnum, mincol, + shl == search_hl ? NULL : cur); + + // Need to get the line again, a multi-line regexp may have made it + // invalid. + *line = ml_get_buf(wp->w_buffer, lnum, FALSE); + + if (shl->lnum != 0 && shl->lnum <= lnum) + { + if (shl->lnum == lnum) + shl->startcol = shl->rm.startpos[0].col; + else + shl->startcol = 0; + if (lnum == shl->lnum + shl->rm.endpos[0].lnum + - shl->rm.startpos[0].lnum) + shl->endcol = shl->rm.endpos[0].col; + else + shl->endcol = MAXCOL; + // Highlight one character for an empty match. + if (shl->startcol == shl->endcol) + { + if (has_mbyte && (*line)[shl->endcol] != NUL) + shl->endcol += (*mb_ptr2len)((*line) + shl->endcol); + else + ++shl->endcol; + } + if ((long)shl->startcol < mincol) /* match at leftcol */ + { + shl->attr_cur = shl->attr; + *search_attr = shl->attr; + } + area_highlighting = TRUE; + } + if (shl != search_hl && cur != NULL) + cur = cur->next; + } + return area_highlighting; +} + +/* + * For a position in a line: Check for start/end of 'hlsearch' and other + * matches. + * After end, check for start/end of next match. + * When another match, have to check for start again. + * Watch out for matching an empty string! + * Return the udpated search_attr. + */ + int +update_search_hl( + win_T *wp, + linenr_T lnum, + colnr_T col, + char_u **line, + match_T *search_hl, + int *has_match_conc, + int *match_conc, + int did_line_attr, + int lcs_eol_one) +{ + matchitem_T *cur; // points to the match list + match_T *shl; // points to search_hl or a match + int shl_flag; // flag to indicate whether search_hl + // has been processed or not + int pos_inprogress; // marks that position match search is in + // progress + int search_attr = 0; + + + // Do this for 'search_hl' and the match list (ordered by priority). + cur = wp->w_match_head; + shl_flag = WIN_IS_POPUP(wp); + while (cur != NULL || shl_flag == FALSE) + { + if (shl_flag == FALSE + && ((cur != NULL + && cur->priority > SEARCH_HL_PRIORITY) + || cur == NULL)) + { + shl = search_hl; + shl_flag = TRUE; + } + else + shl = &cur->hl; + if (cur != NULL) + cur->pos.cur = 0; + pos_inprogress = TRUE; + while (shl->rm.regprog != NULL || (cur != NULL && pos_inprogress)) + { + if (shl->startcol != MAXCOL + && col >= shl->startcol + && col < shl->endcol) + { + int next_col = col + MB_PTR2LEN(*line + col); + + if (shl->endcol < next_col) + shl->endcol = next_col; + shl->attr_cur = shl->attr; +# ifdef FEAT_CONCEAL + // Match with the "Conceal" group results in hiding + // the match. + if (cur != NULL + && shl != search_hl + && syn_name2id((char_u *)"Conceal") == cur->hlg_id) + { + *has_match_conc = col == shl->startcol ? 2 : 1; + *match_conc = cur->conceal_char; + } + else + *has_match_conc = *match_conc = 0; +# endif + } + else if (col == shl->endcol) + { + shl->attr_cur = 0; + next_search_hl(wp, search_hl, shl, lnum, col, + shl == search_hl ? NULL : cur); + pos_inprogress = !(cur == NULL || cur->pos.cur == 0); + + // Need to get the line again, a multi-line regexp may have + // made it invalid. + *line = ml_get_buf(wp->w_buffer, lnum, FALSE); + + if (shl->lnum == lnum) + { + shl->startcol = shl->rm.startpos[0].col; + if (shl->rm.endpos[0].lnum == 0) + shl->endcol = shl->rm.endpos[0].col; + else + shl->endcol = MAXCOL; + + if (shl->startcol == shl->endcol) + { + /* highlight empty match, try again after + * it */ + if (has_mbyte) + shl->endcol += (*mb_ptr2len)(*line + shl->endcol); + else + ++shl->endcol; + } + + /* Loop to check if the match starts at the + * current position */ + continue; + } + } + break; + } + if (shl != search_hl && cur != NULL) + cur = cur->next; + } + + // Use attributes from match with highest priority among 'search_hl' and + // the match list. + cur = wp->w_match_head; + shl_flag = WIN_IS_POPUP(wp); + while (cur != NULL || shl_flag == FALSE) + { + if (shl_flag == FALSE + && ((cur != NULL + && cur->priority > SEARCH_HL_PRIORITY) + || cur == NULL)) + { + shl = search_hl; + shl_flag = TRUE; + } + else + shl = &cur->hl; + if (shl->attr_cur != 0) + search_attr = shl->attr_cur; + if (shl != search_hl && cur != NULL) + cur = cur->next; + } + /* Only highlight one character after the last column. */ + if (*(*line + col) == NUL && (did_line_attr >= 1 + || (wp->w_p_list && lcs_eol_one == -1))) + search_attr = 0; + return search_attr; +} + + int +get_prevcol_hl_flag(win_T *wp, match_T *search_hl, long curcol) +{ + long prevcol = curcol; + int prevcol_hl_flag = FALSE; + matchitem_T *cur; // points to the match list + + // we're not really at that column when skipping some text + if ((long)(wp->w_p_wrap ? wp->w_skipcol : wp->w_leftcol) > prevcol) + ++prevcol; + + if (!search_hl->is_addpos && prevcol == (long)search_hl->startcol) + prevcol_hl_flag = TRUE; + else + { + cur = wp->w_match_head; + while (cur != NULL) + { + if (!cur->hl.is_addpos && prevcol == (long)cur->hl.startcol) + { + prevcol_hl_flag = TRUE; + break; + } + cur = cur->next; + } + } + return prevcol_hl_flag; +} + +/* + * Get highlighting for the char after the text in "char_attr" from 'hlsearch' + * or match highlighting. + */ + void +get_search_match_hl(win_T *wp, match_T *search_hl, long col, int *char_attr) +{ + matchitem_T *cur; // points to the match list + match_T *shl; // points to search_hl or a match + int shl_flag; // flag to indicate whether search_hl + // has been processed or not + + cur = wp->w_match_head; + shl_flag = WIN_IS_POPUP(wp); + while (cur != NULL || shl_flag == FALSE) + { + if (shl_flag == FALSE + && ((cur != NULL + && cur->priority > SEARCH_HL_PRIORITY) + || cur == NULL)) + { + shl = search_hl; + shl_flag = TRUE; + } + else + shl = &cur->hl; + if (col - 1 == (long)shl->startcol + && (shl == search_hl || !shl->is_addpos)) + *char_attr = shl->attr; + if (shl != search_hl && cur != NULL) + cur = cur->next; + } +} + +#endif // FEAT_SEARCH_EXTRA #if defined(FEAT_EVAL) || defined(PROTO) # ifdef FEAT_SEARCH_EXTRA diff --git a/src/proto/highlight.pro b/src/proto/highlight.pro index 61cea3655b..4a8ea3cca8 100644 --- a/src/proto/highlight.pro +++ b/src/proto/highlight.pro @@ -44,6 +44,12 @@ char_u *get_highlight_name(expand_T *xp, int idx); char_u *get_highlight_name_ext(expand_T *xp, int idx, int skip_cleared); void free_highlight_fonts(void); void clear_matches(win_T *wp); +void init_search_hl(win_T *wp, match_T *search_hl); +void prepare_search_hl(win_T *wp, match_T *search_hl, linenr_T lnum); +int prepare_search_hl_line(win_T *wp, linenr_T lnum, colnr_T mincol, char_u **line, match_T *search_hl, int *search_attr); +int update_search_hl(win_T *wp, linenr_T lnum, colnr_T col, char_u **line, match_T *search_hl, int *has_match_conc, int *match_conc, int did_line_attr, int lcs_eol_one); +int get_prevcol_hl_flag(win_T *wp, match_T *search_hl, long curcol); +void get_search_match_hl(win_T *wp, match_T *search_hl, long col, int *char_attr); void f_clearmatches(typval_T *argvars, typval_T *rettv); void f_getmatches(typval_T *argvars, typval_T *rettv); void f_setmatches(typval_T *argvars, typval_T *rettv); diff --git a/src/screen.c b/src/screen.c index bd76f7ba53..bdc4b47c36 100644 --- a/src/screen.c +++ b/src/screen.c @@ -104,7 +104,7 @@ static int screen_attr = 0; static int screen_cur_row, screen_cur_col; /* last known cursor position */ #ifdef FEAT_SEARCH_EXTRA -static match_T search_hl; /* used for 'hlsearch' highlight matching */ +static match_T search_hl; // used for 'hlsearch' highlight matching #endif #ifdef FEAT_FOLDING @@ -135,13 +135,8 @@ static void draw_vsep_win(win_T *wp, int row); static void redraw_custom_statusline(win_T *wp); #endif #ifdef FEAT_SEARCH_EXTRA -# define SEARCH_HL_PRIORITY 0 static void start_search_hl(void); static void end_search_hl(void); -static void init_search_hl(win_T *wp); -static void prepare_search_hl(win_T *wp, linenr_T lnum); -static void next_search_hl(win_T *win, match_T *shl, linenr_T lnum, colnr_T mincol, matchitem_T *cur); -static int next_search_hl_pos(match_T *shl, linenr_T lnum, posmatch_T *pos, colnr_T mincol); #endif static void screen_char(unsigned off, int row, int col); static void screen_char_2(unsigned off, int row, int col); @@ -1172,7 +1167,7 @@ win_update(win_T *wp) #endif #ifdef FEAT_SEARCH_EXTRA - init_search_hl(wp); + init_search_hl(wp, &search_hl); #endif #ifdef FEAT_LINEBREAK @@ -2090,7 +2085,7 @@ win_update(win_T *wp) else { #ifdef FEAT_SEARCH_EXTRA - prepare_search_hl(wp, lnum); + prepare_search_hl(wp, &search_hl, lnum); #endif #ifdef FEAT_SYN_HL /* Let the syntax stuff know we skipped a few lines. */ @@ -3273,17 +3268,6 @@ win_line( int sign_present = FALSE; sign_attrs_T sattr; #endif -#ifdef FEAT_SEARCH_EXTRA - matchitem_T *cur; /* points to the match list */ - match_T *shl; /* points to search_hl or a match */ - int shl_flag; /* flag to indicate whether search_hl - has been processed or not */ - int pos_inprogress; /* marks that position match search is - in progress */ - int prevcol_hl_flag; /* flag to indicate whether prevcol - equals startcol of search_hl or one - of the matches */ -#endif #ifdef FEAT_ARABIC int prev_c = 0; /* previous Arabic character */ int prev_c1 = 0; /* first composing char for prev_c */ @@ -3808,65 +3792,12 @@ win_line( } #ifdef FEAT_SEARCH_EXTRA - /* - * Handle highlighting the last used search pattern and matches. - * Do this for both search_hl and the match list. - * Do not use search_hl in a popup window. - */ - cur = wp->w_match_head; - shl_flag = (screen_line_flags & SLF_POPUP); - while ((cur != NULL || shl_flag == FALSE) && !number_only) + if (!number_only) { - if (shl_flag == FALSE) - { - shl = &search_hl; - shl_flag = TRUE; - } - else - shl = &cur->hl; - shl->startcol = MAXCOL; - shl->endcol = MAXCOL; - shl->attr_cur = 0; - shl->is_addpos = FALSE; v = (long)(ptr - line); - if (cur != NULL) - cur->pos.cur = 0; - next_search_hl(wp, shl, lnum, (colnr_T)v, - shl == &search_hl ? NULL : cur); - - /* Need to get the line again, a multi-line regexp may have made it - * invalid. */ - line = ml_get_buf(wp->w_buffer, lnum, FALSE); - ptr = line + v; - - if (shl->lnum != 0 && shl->lnum <= lnum) - { - if (shl->lnum == lnum) - shl->startcol = shl->rm.startpos[0].col; - else - shl->startcol = 0; - if (lnum == shl->lnum + shl->rm.endpos[0].lnum - - shl->rm.startpos[0].lnum) - shl->endcol = shl->rm.endpos[0].col; - else - shl->endcol = MAXCOL; - /* Highlight one character for an empty match. */ - if (shl->startcol == shl->endcol) - { - if (has_mbyte && line[shl->endcol] != NUL) - shl->endcol += (*mb_ptr2len)(line + shl->endcol); - else - ++shl->endcol; - } - if ((long)shl->startcol < v) /* match at leftcol */ - { - shl->attr_cur = shl->attr; - search_attr = shl->attr; - } - area_highlighting = TRUE; - } - if (shl != &search_hl && cur != NULL) - cur = cur->next; + area_highlighting |= prepare_search_hl_line(wp, lnum, (colnr_T)v, + &line, &search_hl, &search_attr); + ptr = line + v; // "line" may have been updated } #endif @@ -4247,132 +4178,15 @@ win_line( if (!n_extra) { /* - * Check for start/end of search pattern match. + * Check for start/end of 'hlsearch' and other matches. * After end, check for start/end of next match. * When another match, have to check for start again. - * Watch out for matching an empty string! - * Do this for 'search_hl' and the match list (ordered by - * priority). */ v = (long)(ptr - line); - cur = wp->w_match_head; - shl_flag = FALSE; - while (cur != NULL || shl_flag == FALSE) - { - if (shl_flag == FALSE - && ((cur != NULL - && cur->priority > SEARCH_HL_PRIORITY) - || cur == NULL)) - { - shl = &search_hl; - shl_flag = TRUE; - if (screen_line_flags & SLF_POPUP) - continue; // do not use search_hl - } - else - shl = &cur->hl; - if (cur != NULL) - cur->pos.cur = 0; - pos_inprogress = TRUE; - while (shl->rm.regprog != NULL - || (cur != NULL && pos_inprogress)) - { - if (shl->startcol != MAXCOL - && v >= (long)shl->startcol - && v < (long)shl->endcol) - { - int tmp_col = v + MB_PTR2LEN(ptr); - - if (shl->endcol < tmp_col) - shl->endcol = tmp_col; - shl->attr_cur = shl->attr; -#ifdef FEAT_CONCEAL - // Match with the "Conceal" group results in hiding - // the match. - if (cur != NULL - && shl != &search_hl - && syn_name2id((char_u *)"Conceal") - == cur->hlg_id) - { - has_match_conc = - v == (long)shl->startcol ? 2 : 1; - match_conc = cur->conceal_char; - } - else - has_match_conc = match_conc = 0; -#endif - } - else if (v == (long)shl->endcol) - { - shl->attr_cur = 0; - next_search_hl(wp, shl, lnum, (colnr_T)v, - shl == &search_hl ? NULL : cur); - pos_inprogress = cur == NULL || cur->pos.cur == 0 - ? FALSE : TRUE; - - /* Need to get the line again, a multi-line regexp - * may have made it invalid. */ - line = ml_get_buf(wp->w_buffer, lnum, FALSE); - ptr = line + v; - - if (shl->lnum == lnum) - { - shl->startcol = shl->rm.startpos[0].col; - if (shl->rm.endpos[0].lnum == 0) - shl->endcol = shl->rm.endpos[0].col; - else - shl->endcol = MAXCOL; - - if (shl->startcol == shl->endcol) - { - /* highlight empty match, try again after - * it */ - if (has_mbyte) - shl->endcol += (*mb_ptr2len)(line - + shl->endcol); - else - ++shl->endcol; - } - - /* Loop to check if the match starts at the - * current position */ - continue; - } - } - break; - } - if (shl != &search_hl && cur != NULL) - cur = cur->next; - } - - /* Use attributes from match with highest priority among - * 'search_hl' and the match list. */ - cur = wp->w_match_head; - shl_flag = FALSE; - search_attr = 0; - while (cur != NULL || shl_flag == FALSE) - { - if (shl_flag == FALSE - && ((cur != NULL - && cur->priority > SEARCH_HL_PRIORITY) - || cur == NULL)) - { - shl = &search_hl; - shl_flag = TRUE; - if (screen_line_flags & SLF_POPUP) - continue; // do not use search_hl - } - else - shl = &cur->hl; - if (shl->attr_cur != 0) - search_attr = shl->attr_cur; - if (shl != &search_hl && cur != NULL) - cur = cur->next; - } - /* Only highlight one character after the last column. */ - if (*ptr == NUL && (did_line_attr >= 1 - || (wp->w_p_list && lcs_eol_one == -1))) - search_attr = 0; + search_attr = update_search_hl(wp, lnum, (colnr_T)v, &line, + &search_hl, &has_match_conc, &match_conc, + did_line_attr, lcs_eol_one); + ptr = line + v; // "line" may have been changed } #endif @@ -5561,35 +5375,15 @@ win_line( ) && eol_hl_off == 0) { #ifdef FEAT_SEARCH_EXTRA - long prevcol = (long)(ptr - line) - (c == NUL); - - /* we're not really at that column when skipping some text */ - if ((long)(wp->w_p_wrap ? wp->w_skipcol : wp->w_leftcol) > prevcol) - ++prevcol; -#endif - - /* Invert at least one char, used for Visual and empty line or - * highlight match at end of line. If it's beyond the last - * char on the screen, just overwrite that one (tricky!) Not - * needed when a '$' was displayed for 'list'. */ -#ifdef FEAT_SEARCH_EXTRA - prevcol_hl_flag = FALSE; - if (!search_hl.is_addpos && prevcol == (long)search_hl.startcol) - prevcol_hl_flag = TRUE; - else - { - cur = wp->w_match_head; - while (cur != NULL) - { - if (!cur->hl.is_addpos && prevcol == (long)cur->hl.startcol) - { - prevcol_hl_flag = TRUE; - break; - } - cur = cur->next; - } - } -#endif + // flag to indicate whether prevcol equals startcol of search_hl or + // one of the matches + int prevcol_hl_flag = get_prevcol_hl_flag(wp, &search_hl, + (long)(ptr - line) - (c == NUL)); +#endif + // Invert at least one char, used for Visual and empty line or + // highlight match at end of line. If it's beyond the last + // char on the screen, just overwrite that one (tricky!) Not + // needed when a '$' was displayed for 'list'. if (lcs_eol == lcs_eol_one && ((area_attr != 0 && vcol == fromcol && (VIsual_mode != Ctrl_V @@ -5597,8 +5391,8 @@ win_line( || lnum == curwin->w_cursor.lnum) && c == NUL) #ifdef FEAT_SEARCH_EXTRA - /* highlight 'hlsearch' match at end of line */ - || (prevcol_hl_flag == TRUE + // highlight 'hlsearch' match at end of line + || (prevcol_hl_flag # ifdef FEAT_SYN_HL && !(wp->w_p_cul && lnum == wp->w_cursor.lnum && !(wp == curwin && VIsual_active)) @@ -5644,30 +5438,10 @@ win_line( #ifdef FEAT_SEARCH_EXTRA if (area_attr == 0) { - /* Use attributes from match with highest priority among - * 'search_hl' and the match list. */ - cur = wp->w_match_head; - shl_flag = FALSE; - while (cur != NULL || shl_flag == FALSE) - { - if (shl_flag == FALSE - && ((cur != NULL - && cur->priority > SEARCH_HL_PRIORITY) - || cur == NULL)) - { - shl = &search_hl; - shl_flag = TRUE; - if (screen_line_flags & SLF_POPUP) - continue; // do not use search_hl - } - else - shl = &cur->hl; - if ((ptr - line) - 1 == (long)shl->startcol - && (shl == &search_hl || !shl->is_addpos)) - char_attr = shl->attr; - if (shl != &search_hl && cur != NULL) - cur = cur->next; - } + // Use attributes from match with highest priority among + // 'search_hl' and the match list. + get_search_match_hl(wp, &search_hl, + (long)(ptr - line), &char_attr); } #endif ScreenAttrs[off] = char_attr; @@ -7892,323 +7666,6 @@ end_search_hl(void) search_hl.rm.regprog = NULL; } } - -/* - * Init for calling prepare_search_hl(). - */ - static void -init_search_hl(win_T *wp) -{ - matchitem_T *cur; - - /* Setup for match and 'hlsearch' highlighting. Disable any previous - * match */ - cur = wp->w_match_head; - while (cur != NULL) - { - cur->hl.rm = cur->match; - if (cur->hlg_id == 0) - cur->hl.attr = 0; - else - cur->hl.attr = syn_id2attr(cur->hlg_id); - cur->hl.buf = wp->w_buffer; - cur->hl.lnum = 0; - cur->hl.first_lnum = 0; -# ifdef FEAT_RELTIME - /* Set the time limit to 'redrawtime'. */ - profile_setlimit(p_rdt, &(cur->hl.tm)); -# endif - cur = cur->next; - } - search_hl.buf = wp->w_buffer; - search_hl.lnum = 0; - search_hl.first_lnum = 0; - /* time limit is set at the toplevel, for all windows */ -} - -/* - * Advance to the match in window "wp" line "lnum" or past it. - */ - static void -prepare_search_hl(win_T *wp, linenr_T lnum) -{ - matchitem_T *cur; /* points to the match list */ - match_T *shl; /* points to search_hl or a match */ - int shl_flag; /* flag to indicate whether search_hl - has been processed or not */ - int pos_inprogress; /* marks that position match search is - in progress */ - int n; - - /* - * When using a multi-line pattern, start searching at the top - * of the window or just after a closed fold. - * Do this both for search_hl and the match list. - */ - cur = wp->w_match_head; - shl_flag = FALSE; - while (cur != NULL || shl_flag == FALSE) - { - if (shl_flag == FALSE) - { - shl = &search_hl; - shl_flag = TRUE; - } - else - shl = &cur->hl; - if (shl->rm.regprog != NULL - && shl->lnum == 0 - && re_multiline(shl->rm.regprog)) - { - if (shl->first_lnum == 0) - { -# ifdef FEAT_FOLDING - for (shl->first_lnum = lnum; - shl->first_lnum > wp->w_topline; --shl->first_lnum) - if (hasFoldingWin(wp, shl->first_lnum - 1, - NULL, NULL, TRUE, NULL)) - break; -# else - shl->first_lnum = wp->w_topline; -# endif - } - if (cur != NULL) - cur->pos.cur = 0; - pos_inprogress = TRUE; - n = 0; - while (shl->first_lnum < lnum && (shl->rm.regprog != NULL - || (cur != NULL && pos_inprogress))) - { - next_search_hl(wp, shl, shl->first_lnum, (colnr_T)n, - shl == &search_hl ? NULL : cur); - pos_inprogress = cur == NULL || cur->pos.cur == 0 - ? FALSE : TRUE; - if (shl->lnum != 0) - { - shl->first_lnum = shl->lnum - + shl->rm.endpos[0].lnum - - shl->rm.startpos[0].lnum; - n = shl->rm.endpos[0].col; |