Mercurial > vim
changeset 21054:b1fac55cf8a3 v8.2.1078
patch 8.2.1078: highlight and match functionality together in one file
Commit: https://github.com/vim/vim/commit/06cf97e714fd8bf9b35ff5f8a6f2302c79acdd03
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Jun 28 13:17:26 2020 +0200
patch 8.2.1078: highlight and match functionality together in one file
Problem: Highlight and match functionality together in one file.
Solution: Move match functionality to a separate file. (Yegappan Lakshmanan,
closes #6352)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Sun, 28 Jun 2020 13:30:04 +0200 |
| parents | c1f0a0815090 |
| children | 2fd74612d57b |
| files | Filelist src/Make_cyg_ming.mak src/Make_morph.mak src/Make_mvc.mak src/Make_vms.mms src/Makefile src/README.md src/highlight.c src/match.c src/proto.h src/proto/highlight.pro src/proto/match.pro src/version.c |
| diffstat | 13 files changed, 1396 insertions(+), 1359 deletions(-) [+] |
line wrap: on
line diff
--- a/Filelist +++ b/Filelist @@ -80,6 +80,7 @@ SRC_ALL = \ src/main.c \ src/map.c \ src/mark.c \ + src/match.c \ src/mbyte.c \ src/memfile.c \ src/memfile_test.c \ @@ -247,6 +248,7 @@ SRC_ALL = \ src/proto/main.pro \ src/proto/map.pro \ src/proto/mark.pro \ + src/proto/match.pro \ src/proto/mbyte.pro \ src/proto/memfile.pro \ src/proto/memline.pro \
--- a/src/Make_cyg_ming.mak +++ b/src/Make_cyg_ming.mak @@ -753,6 +753,7 @@ OBJ = \ $(OUTDIR)/main.o \ $(OUTDIR)/map.o \ $(OUTDIR)/mark.o \ + $(OUTDIR)/match.o \ $(OUTDIR)/memfile.o \ $(OUTDIR)/memline.o \ $(OUTDIR)/menu.o \
--- a/src/Make_morph.mak +++ b/src/Make_morph.mak @@ -72,6 +72,7 @@ SRC = arabic.c \ main.c \ map.c \ mark.c \ + match.c \ mbyte.c \ memfile.c \ memline.c \
--- a/src/Make_mvc.mak +++ b/src/Make_mvc.mak @@ -775,6 +775,7 @@ OBJ = \ $(OUTDIR)\main.obj \ $(OUTDIR)\map.obj \ $(OUTDIR)\mark.obj \ + $(OUTDIR)\match.obj \ $(OUTDIR)\mbyte.obj \ $(OUTDIR)\memfile.obj \ $(OUTDIR)\memline.obj \ @@ -1671,6 +1672,8 @@ lib$(MZSCHEME_MAIN_LIB)$(MZSCHEME_VER).l $(OUTDIR)/mark.obj: $(OUTDIR) mark.c $(INCL) +$(OUTDIR)/match.obj: $(OUTDIR) match.c $(INCL) + $(OUTDIR)/memfile.obj: $(OUTDIR) memfile.c $(INCL) $(OUTDIR)/memline.obj: $(OUTDIR) memline.c $(INCL) @@ -1935,6 +1938,7 @@ proto.h: \ proto/main.pro \ proto/map.pro \ proto/mark.pro \ + proto/match.pro \ proto/memfile.pro \ proto/memline.pro \ proto/menu.pro \
--- a/src/Make_vms.mms +++ b/src/Make_vms.mms @@ -347,6 +347,7 @@ SRC = \ main.c \ map.c \ mark.c \ + match.c \ mbyte.c \ memfile.c \ memline.c \ @@ -460,6 +461,7 @@ OBJ = \ main.obj \ map.obj \ mark.obj \ + match.obj \ mbyte.obj \ memfile.obj \ memline.obj \ @@ -867,6 +869,9 @@ map.obj : map.c vim.h [.auto]config.h fe mark.obj : mark.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h +match.obj : match.c vim.h [.auto]config.h feature.h os_unix.h \ + ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ + [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h memfile.obj : memfile.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h \ gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \
--- a/src/Makefile +++ b/src/Makefile @@ -1649,6 +1649,7 @@ BASIC_SRC = \ main.c \ map.c \ mark.c \ + match.c \ mbyte.c \ memfile.c \ memline.c \ @@ -1797,6 +1798,7 @@ OBJ_COMMON = \ objects/list.o \ objects/map.o \ objects/mark.o \ + objects/match.o \ objects/mbyte.o \ objects/memline.o \ objects/menu.o \ @@ -1971,6 +1973,7 @@ PRO_AUTO = \ main.pro \ map.pro \ mark.pro \ + match.pro \ mbyte.pro \ memfile.pro \ memline.pro \ @@ -3379,6 +3382,9 @@ objects/map.o: map.c objects/mark.o: mark.c $(CCC) -o $@ mark.c +objects/match.o: match.c + $(CCC) -o $@ match.c + objects/memfile.o: memfile.c $(CCC) -o $@ memfile.c @@ -3965,6 +3971,10 @@ objects/mark.o: mark.c vim.h protodef.h auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \ proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \ proto.h globals.h +objects/match.o: match.c vim.h protodef.h auto/config.h feature.h \ + os_unix.h auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \ + proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \ + proto.h globals.h objects/mbyte.o: mbyte.c vim.h protodef.h auto/config.h feature.h os_unix.h \ auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \ proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \
--- a/src/README.md +++ b/src/README.md @@ -51,8 +51,9 @@ getchar.c | getting characters and key m highlight.c | syntax highlighting indent.c | text indentation insexpand.c | Insert mode completion +map.c | mapping and abbreviations mark.c | marks -map.c | mapping and abbreviations +match.c | highlight matching mbyte.c | multi-byte character handling memfile.c | storing lines for buffers in a swapfile memline.c | storing lines for buffers in memory
--- a/src/highlight.c +++ b/src/highlight.c @@ -9,7 +9,6 @@ /* * Highlighting stuff. - * Includes highlighting matches. */ #include "vim.h" @@ -3694,1345 +3693,3 @@ free_highlight_fonts(void) # endif } #endif - - -#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'. - * Optionally, a desired ID 'id' can be specified (greater than or equal to 1). - * If no particular ID is desired, -1 must be specified for 'id'. - * Return ID of added match, -1 on failure. - */ - static int -match_add( - win_T *wp, - char_u *grp, - char_u *pat, - int prio, - int id, - list_T *pos_list, - char_u *conceal_char UNUSED) // pointer to conceal replacement char -{ - matchitem_T *cur; - matchitem_T *prev; - matchitem_T *m; - int hlg_id; - regprog_T *regprog = NULL; - int rtype = SOME_VALID; - - if (*grp == NUL || (pat != NULL && *pat == NUL)) - return -1; - if (id < -1 || id == 0) - { - semsg(_("E799: Invalid ID: %d (must be greater than or equal to 1)"), - id); - return -1; - } - if (id != -1) - { - cur = wp->w_match_head; - while (cur != NULL) - { - if (cur->id == id) - { - semsg(_("E801: ID already taken: %d"), id); - return -1; - } - cur = cur->next; - } - } - if ((hlg_id = syn_namen2id(grp, (int)STRLEN(grp))) == 0) - { - semsg(_(e_nogroup), grp); - return -1; - } - if (pat != NULL && (regprog = vim_regcomp(pat, RE_MAGIC)) == NULL) - { - semsg(_(e_invarg2), pat); - return -1; - } - - // Find available match ID. - while (id == -1) - { - cur = wp->w_match_head; - while (cur != NULL && cur->id != wp->w_next_match_id) - cur = cur->next; - if (cur == NULL) - id = wp->w_next_match_id; - wp->w_next_match_id++; - } - - // Build new match. - m = ALLOC_CLEAR_ONE(matchitem_T); - m->id = id; - m->priority = prio; - m->pattern = pat == NULL ? NULL : vim_strsave(pat); - m->hlg_id = hlg_id; - m->match.regprog = regprog; - m->match.rmm_ic = FALSE; - m->match.rmm_maxcol = 0; -# if defined(FEAT_CONCEAL) - m->conceal_char = 0; - if (conceal_char != NULL) - m->conceal_char = (*mb_ptr2char)(conceal_char); -# endif - - // Set up position matches - if (pos_list != NULL) - { - linenr_T toplnum = 0; - linenr_T botlnum = 0; - listitem_T *li; - int i; - - CHECK_LIST_MATERIALIZE(pos_list); - for (i = 0, li = pos_list->lv_first; li != NULL && i < MAXPOSMATCH; - i++, li = li->li_next) - { - linenr_T lnum = 0; - colnr_T col = 0; - int len = 1; - list_T *subl; - listitem_T *subli; - int error = FALSE; - - if (li->li_tv.v_type == VAR_LIST) - { - subl = li->li_tv.vval.v_list; - if (subl == NULL) - goto fail; - subli = subl->lv_first; - if (subli == NULL) - goto fail; - lnum = tv_get_number_chk(&subli->li_tv, &error); - if (error == TRUE) - goto fail; - if (lnum == 0) - { - --i; - continue; - } - m->pos.pos[i].lnum = lnum; - subli = subli->li_next; - if (subli != NULL) - { - col = tv_get_number_chk(&subli->li_tv, &error); - if (error == TRUE) - goto fail; - subli = subli->li_next; - if (subli != NULL) - { - len = tv_get_number_chk(&subli->li_tv, &error); - if (error == TRUE) - goto fail; - } - } - m->pos.pos[i].col = col; - m->pos.pos[i].len = len; - } - else if (li->li_tv.v_type == VAR_NUMBER) - { - if (li->li_tv.vval.v_number == 0) - { - --i; - continue; - } - m->pos.pos[i].lnum = li->li_tv.vval.v_number; - m->pos.pos[i].col = 0; - m->pos.pos[i].len = 0; - } - else - { - emsg(_("E290: List or number required")); - goto fail; - } - if (toplnum == 0 || lnum < toplnum) - toplnum = lnum; - if (botlnum == 0 || lnum >= botlnum) - botlnum = lnum + 1; - } - - // Calculate top and bottom lines for redrawing area - if (toplnum != 0) - { - if (wp->w_buffer->b_mod_set) - { - if (wp->w_buffer->b_mod_top > toplnum) - wp->w_buffer->b_mod_top = toplnum; - if (wp->w_buffer->b_mod_bot < botlnum) - wp->w_buffer->b_mod_bot = botlnum; - } - else - { - wp->w_buffer->b_mod_set = TRUE; - wp->w_buffer->b_mod_top = toplnum; - wp->w_buffer->b_mod_bot = botlnum; - wp->w_buffer->b_mod_xlines = 0; - } - m->pos.toplnum = toplnum; - m->pos.botlnum = botlnum; - rtype = VALID; - } - } - - // Insert new match. The match list is in ascending order with regard to - // the match priorities. - cur = wp->w_match_head; - prev = cur; - while (cur != NULL && prio >= cur->priority) - { - prev = cur; - cur = cur->next; - } - if (cur == prev) - wp->w_match_head = m; - else - prev->next = m; - m->next = cur; - - redraw_win_later(wp, rtype); - return id; - -fail: - vim_free(m); - return -1; -} - -/* - * Delete match with ID 'id' in the match list of window 'wp'. - * Print error messages if 'perr' is TRUE. - */ - static int -match_delete(win_T *wp, int id, int perr) -{ - matchitem_T *cur = wp->w_match_head; - matchitem_T *prev = cur; - int rtype = SOME_VALID; - - if (id < 1) - { - if (perr == TRUE) - semsg(_("E802: Invalid ID: %d (must be greater than or equal to 1)"), - id); - return -1; - } - while (cur != NULL && cur->id != id) - { - prev = cur; - cur = cur->next; - } - if (cur == NULL) - { - if (perr == TRUE) - semsg(_("E803: ID not found: %d"), id); - return -1; - } - if (cur == prev) - wp->w_match_head = cur->next; - else - prev->next = cur->next; - vim_regfree(cur->match.regprog); - vim_free(cur->pattern); - if (cur->pos.toplnum != 0) - { - if (wp->w_buffer->b_mod_set) - { - if (wp->w_buffer->b_mod_top > cur->pos.toplnum) - wp->w_buffer->b_mod_top = cur->pos.toplnum; - if (wp->w_buffer->b_mod_bot < cur->pos.botlnum) - wp->w_buffer->b_mod_bot = cur->pos.botlnum; - } - else - { - wp->w_buffer->b_mod_set = TRUE; - wp->w_buffer->b_mod_top = cur->pos.toplnum; - wp->w_buffer->b_mod_bot = cur->pos.botlnum; - wp->w_buffer->b_mod_xlines = 0; - } - rtype = VALID; - } - vim_free(cur); - redraw_win_later(wp, rtype); - return 0; -} - -/* - * Delete all matches in the match list of window 'wp'. - */ - void -clear_matches(win_T *wp) -{ - matchitem_T *m; - - while (wp->w_match_head != NULL) - { - m = wp->w_match_head->next; - vim_regfree(wp->w_match_head->match.regprog); - vim_free(wp->w_match_head->pattern); - vim_free(wp->w_match_head); - wp->w_match_head = m; - } - redraw_win_later(wp, SOME_VALID); -} - -/* - * Get match from ID 'id' in window 'wp'. - * Return NULL if match not found. - */ - static matchitem_T * -get_match(win_T *wp, int id) -{ - matchitem_T *cur = wp->w_match_head; - - while (cur != NULL && cur->id != 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 called_emsg_before = 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. - */ - 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 > called_emsg_before || 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 - } - } -} - -/* - * 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 updated 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 UNUSED, - int *match_conc UNUSED, - 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)) - { - 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 = 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)) - { - 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 - static int -matchadd_dict_arg(typval_T *tv, char_u **conceal_char, win_T **win) -{ - dictitem_T *di; - - if (tv->v_type != VAR_DICT) - { - emsg(_(e_dictreq)); - return FAIL; - } - - if (dict_find(tv->vval.v_dict, (char_u *)"conceal", -1) != NULL) - *conceal_char = dict_get_string(tv->vval.v_dict, - (char_u *)"conceal", FALSE); - - if ((di = dict_find(tv->vval.v_dict, (char_u *)"window", -1)) != NULL) - { - *win = find_win_by_nr_or_id(&di->di_tv); - if (*win == NULL) - { - emsg(_(e_invalwindow)); - return FAIL; - } - } - - return OK; -} -#endif - -/* - * "clearmatches()" function - */ - void -f_clearmatches(typval_T *argvars UNUSED, typval_T *rettv UNUSED) -{ -#ifdef FEAT_SEARCH_EXTRA - win_T *win = get_optional_window(argvars, 0); - - if (win != NULL) - clear_matches(win); -#endif -} - -/* - * "getmatches()" function - */ - void -f_getmatches(typval_T *argvars UNUSED, typval_T *rettv UNUSED) -{ -# ifdef FEAT_SEARCH_EXTRA - dict_T *dict; - matchitem_T *cur; - int i; - win_T *win = get_optional_window(argvars, 0); - - if (rettv_list_alloc(rettv) == FAIL || win == NULL) - return; - - cur = win->w_match_head; - while (cur != NULL) - { - dict = dict_alloc(); - if (dict == NULL) - return; - if (cur->match.regprog == NULL) - { - // match added with matchaddpos() - for (i = 0; i < MAXPOSMATCH; ++i) - { - llpos_T *llpos; - char buf[30]; // use 30 to avoid compiler warning - list_T *l; - - llpos = &cur->pos.pos[i]; - if (llpos->lnum == 0) - break; - l = list_alloc(); - if (l == NULL) - break; - list_append_number(l, (varnumber_T)llpos->lnum); - if (llpos->col > 0) - { - list_append_number(l, (varnumber_T)llpos->col); - list_append_number(l, (varnumber_T)llpos->len); - } - sprintf(buf, "pos%d", i + 1); - dict_add_list(dict, buf, l); - } - } - else - { - dict_add_string(dict, "pattern", cur->pattern); - } - dict_add_string(dict, "group", syn_id2name(cur->hlg_id)); - dict_add_number(dict, "priority", (long)cur->priority); - dict_add_number(dict, "id", (long)cur->id); -# if defined(FEAT_CONCEAL) - if (cur->conceal_char) - { - char_u buf[MB_MAXBYTES + 1]; - - buf[(*mb_char2bytes)((int)cur->conceal_char, buf)] = NUL; - dict_add_string(dict, "conceal", (char_u *)&buf); - } -# endif - list_append_dict(rettv->vval.v_list, dict); - cur = cur->next; - } -# endif -} - -/* - * "setmatches()" function - */ - void -f_setmatches(typval_T *argvars UNUSED, typval_T *rettv UNUSED) -{ -#ifdef FEAT_SEARCH_EXTRA - list_T *l; - listitem_T *li; - dict_T *d; - list_T *s = NULL; - win_T *win = get_optional_window(argvars, 1); - - rettv->vval.v_number = -1; - if (argvars[0].v_type != VAR_LIST) - { - emsg(_(e_listreq)); - return; - } - if (win == NULL) - return; - - if ((l = argvars[0].vval.v_list) != NULL) - { - // To some extent make sure that we are dealing with a list from - // "getmatches()". - li = l->lv_first; - while (li != NULL) - { - if (li->li_tv.v_type != VAR_DICT - || (d = li->li_tv.vval.v_dict) == NULL) - { - emsg(_(e_invarg)); - return; - } - if (!(dict_find(d, (char_u *)"group", -1) != NULL - && (dict_find(d, (char_u *)"pattern", -1) != NULL - || dict_find(d, (char_u *)"pos1", -1) != NULL) - && dict_find(d, (char_u *)"priority", -1) != NULL - && dict_find(d, (char_u *)"id", -1) != NULL)) - { - emsg(_(e_invarg)); - return; - } - li = li->li_next; - } - - clear_matches(win); - li = l->lv_first; - while (li != NULL) - { - int i = 0; - char buf[30]; // use 30 to avoid compiler warning - dictitem_T *di; - char_u *group; - int priority; - int id; - char_u *conceal; - - d = li->li_tv.vval.v_dict; - if (dict_find(d, (char_u *)"pattern", -1) == NULL) - { - if (s == NULL) - { - s = list_alloc(); - if (s == NULL) - return; - } - - // match from matchaddpos() - for (i = 1; i < 9; i++) - { - sprintf((char *)buf, (char *)"pos%d", i); - if ((di = dict_find(d, (char_u *)buf, -1)) != NULL) - { - if (di->di_tv.v_type != VAR_LIST) - return; - - list_append_tv(s, &di->di_tv); - s->lv_refcount++; - } - else - break; - } - } - - group = dict_get_string(d, (char_u *)"group", TRUE); - priority = (int)dict_get_number(d, (char_u *)"priority"); - id = (int)dict_get_number(d, (char_u *)"id"); - conceal = dict_find(d, (char_u *)"conceal", -1) != NULL - ? dict_get_string(d, (char_u *)"conceal", TRUE) - : NULL; - if (i == 0) - { - match_add(win, group, - dict_get_string(d, (char_u *)"pattern", FALSE), - priority, id, NULL, conceal); - } - else - { - match_add(win, group, NULL, priority, id, s, conceal); - list_unref(s); - s = NULL; - } - vim_free(group); - vim_free(conceal); - - li = li->li_next; - } - rettv->vval.v_number = 0; - } -#endif -} - -/* - * "matchadd()" function - */ - void -f_matchadd(typval_T *argvars UNUSED, typval_T *rettv UNUSED) -{ -# ifdef FEAT_SEARCH_EXTRA - char_u buf[NUMBUFLEN]; - char_u *grp = tv_get_string_buf_chk(&argvars[0], buf); // group - char_u *pat = tv_get_string_buf_chk(&argvars[1], buf); // pattern - int prio = 10; // default priority - int id = -1; - int error = FALSE; - char_u *conceal_char = NULL; - win_T *win = curwin; - - rettv->vval.v_number = -1; - - if (grp == NULL || pat == NULL) - return; - if (argvars[2].v_type != VAR_UNKNOWN) - { - prio = (int)tv_get_number_chk(&argvars[2], &error); - if (argvars[3].v_type != VAR_UNKNOWN) - { - id = (int)tv_get_number_chk(&argvars[3], &error); - if (argvars[4].v_type != VAR_UNKNOWN - && matchadd_dict_arg(&argvars[4], &conceal_char, &win) == FAIL) - return; - } - } - if (error == TRUE) - return; - if (id >= 1 && id <= 3) - { - semsg(_("E798: ID is reserved for \":match\": %d"), id); - return; - } - - rettv->vval.v_number = match_add(win, grp, pat, prio, id, NULL, - conceal_char); -# endif -} - -/* - * "matchaddpos()" function - */ - void -f_matchaddpos(typval_T *argvars UNUSED, typval_T *rettv UNUSED) -{ -# ifdef FEAT_SEARCH_EXTRA - char_u buf[NUMBUFLEN]; - char_u *group; - int prio = 10; - int id = -1; - int error = FALSE; - list_T *l; - char_u *conceal_char = NULL; - win_T *win = curwin; - - rettv->vval.v_number = -1; - - group = tv_get_string_buf_chk(&argvars[0], buf); - if (group == NULL) - return; - - if (argvars[1].v_type != VAR_LIST) - { - semsg(_(e_listarg), "matchaddpos()"); - return; - } - l = argvars[1].vval.v_list; - if (l == NULL) - return; - - if (argvars[2].v_type != VAR_UNKNOWN) - { - prio = (int)tv_get_number_chk(&argvars[2], &error); - if (argvars[3].v_type != VAR_UNKNOWN) - { - id = (int)tv_get_number_chk(&argvars[3], &error); - - if (argvars[4].v_type != VAR_UNKNOWN - && matchadd_dict_arg(&argvars[4], &conceal_char, &win) == FAIL) - return; - } - } - if (error == TRUE) - return; - - // id == 3 is ok because matchaddpos() is supposed to substitute :3match - if (id == 1 || id == 2) - { - semsg(_("E798: ID is reserved for \":match\": %d"), id); - return; - } - - rettv->vval.v_number = match_add(win, group, NULL, prio, id, l, - conceal_char); -# endif -} - -/* - * "matcharg()" function - */ - void -f_matcharg(typval_T *argvars UNUSED, typval_T *rettv) -{ - if (rettv_list_alloc(rettv) == OK) - { -# ifdef FEAT_SEARCH_EXTRA - int id = (int)tv_get_number(&argvars[0]); - matchitem_T *m; - - if (id >= 1 && id <= 3) - { - if ((m = (matchitem_T *)get_match(curwin, id)) != NULL) - { - list_append_string(rettv->vval.v_list, - syn_id2name(m->hlg_id), -1); - list_append_string(rettv->vval.v_list, m->pattern, -1); - } - else - { - list_append_string(rettv->vval.v_list, NULL, -1); - list_append_string(rettv->vval.v_list, NULL, -1); - } - } -# endif - } -} - -/* - * "matchdelete()" function - */ - void -f_matchdelete(typval_T *argvars UNUSED, typval_T *rettv UNUSED) -{ -# ifdef FEAT_SEARCH_EXTRA - win_T *win = get_optional_window(argvars, 1); - - if (win == NULL) - rettv->vval.v_number = -1; - else - rettv->vval.v_number = match_delete(win, - (int)tv_get_number(&argvars[0]), TRUE); -# endif -} -#endif - -#if defined(FEAT_SEARCH_EXTRA) || defined(PROTO) -/* - * ":[N]match {group} {pattern}" - * Sets nextcmd to the start of the next command, if any. Also called when - * skipping commands to find the next command. - */ - void -ex_match(exarg_T *eap) -{ - char_u *p; - char_u *g = NULL; - char_u *end; - int c; - int id; - - if (eap->line2 <= 3) - id = eap->line2; - else - { - emsg(_(e_invcmd)); - return; - } - - // First clear any old pattern. - if (!eap->skip) - match_delete(curwin, id, FALSE); - - if (ends_excmd2(eap->cmd, eap->arg)) - end = eap->arg; - else if ((STRNICMP(eap->arg, "none", 4) == 0 - && (VIM_ISWHITE(eap->arg[4]) - || ends_excmd2(eap->arg, eap->arg + 4)))) - end = eap->arg + 4; - else - { - p = skiptowhite(eap->arg); - if (!eap->skip) - g = vim_strnsave(eap->arg, p - eap->arg); - p = skipwhite(p); - if (*p == NUL) - { - // There must be two arguments. - vim_free(g); - semsg(_(e_invarg2), eap->arg); - return; - } - end = skip_regexp(p + 1, *p, TRUE); - if (!eap->skip) - { - if (*end != NUL && !ends_excmd2(end, skipwhite(end + 1))) - { - vim_free(g); - eap->errmsg = e_trailing; - return; - } - if (*end != *p) - { - vim_free(g); - semsg(_(e_invarg2), p); - return; - } - - c = *end; - *end = NUL; - match_add(curwin, g, p + 1, 10, id, NULL, NULL); - vim_free(g); - *end = c; - } - } - eap->nextcmd = find_nextcmd(end); -} -#endif
new file mode 100644 --- /dev/null +++ b/src/match.c @@ -0,0 +1,1351 @@ +/* vi:set ts=8 sts=4 sw=4 noet: + * + * VIM - Vi IMproved by Bram Moolenaar + * + * Do ":help uganda" in Vim to read copying and usage conditions. + * Do ":help credits" in Vim to see a list of people who contributed. + * See README.txt for an overview of the Vim source code. + */ + +/* + * match.c: functions for highlighting matches + */ + +#include "vim.h" + +#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'. + * Optionally, a desired ID 'id' can be specified (greater than or equal to 1). + * If no particular ID is desired, -1 must be specified for 'id'. + * Return ID of added match, -1 on failure. + */ + static int +match_add( + win_T *wp, + char_u *grp, + char_u *pat, + int prio, + int id, + list_T *pos_list, + char_u *conceal_char UNUSED) // pointer to conceal replacement char +{ + matchitem_T *cur; + matchitem_T *prev; + matchitem_T *m; + int hlg_id; + regprog_T *regprog = NULL; + int rtype = SOME_VALID; + + if (*grp == NUL || (pat != NULL && *pat == NUL)) + return -1; + if (id < -1 || id == 0) + { + semsg(_("E799: Invalid ID: %d (must be greater than or equal to 1)"), + id); + return -1; + } + if (id != -1) + { + cur = wp->w_match_head; + while (cur != NULL) + { + if (cur->id == id) + { + semsg(_("E801: ID already taken: %d"), id); + return -1; + } + cur = cur->next; + } + } + if ((hlg_id = syn_namen2id(grp, (int)STRLEN(grp))) == 0) + { + semsg(_(e_nogroup), grp); + return -1; + } + if (pat != NULL && (regprog = vim_regcomp(pat, RE_MAGIC)) == NULL) + { + semsg(_(e_invarg2), pat); + return -1; + } + + // Find available match ID. + while (id == -1) + { + cur = wp->w_match_head; + while (cur != NULL && cur->id != wp->w_next_match_id) + cur = cur->next; + if (cur == NULL) + id = wp->w_next_match_id; + wp->w_next_match_id++; + } + + // Build new match. + m = ALLOC_CLEAR_ONE(matchitem_T); + m->id = id; + m->priority = prio; + m->pattern = pat == NULL ? NULL : vim_strsave(pat); + m->hlg_id = hlg_id; + m->match.regprog = regprog; + m->match.rmm_ic = FALSE; + m->match.rmm_maxcol = 0; +# if defined(FEAT_CONCEAL) + m->conceal_char = 0; + if (conceal_char != NULL) + m->conceal_char = (*mb_ptr2char)(conceal_char); +# endif + + // Set up position matches + if (pos_list != NULL) + { + linenr_T toplnum = 0; + linenr_T botlnum = 0; + listitem_T *li; + int i; + + CHECK_LIST_MATERIALIZE(pos_list); + for (i = 0, li = pos_list->lv_first; li != NULL && i < MAXPOSMATCH; + i++, li = li->li_next) + { + linenr_T lnum = 0; + colnr_T col = 0; + int len = 1; + list_T *subl; + listitem_T *subli; + int error = FALSE; + + if (li->li_tv.v_type == VAR_LIST) + { + subl = li->li_tv.vval.v_list; + if (subl == NULL) + goto fail; + subli = subl->lv_first; + if (subli == NULL) + goto fail; + lnum = tv_get_number_chk(&subli->li_tv, &error); + if (error == TRUE) + goto fail; + if (lnum == 0) + { + --i; + continue; + } + m->pos.pos[i].lnum = lnum; + subli = subli->li_next; + if (subli != NULL) + { + col = tv_get_number_chk(&subli->li_tv, &error); + if (error == TRUE) + goto fail; + subli = subli->li_next; + if (subli != NULL) + { + len = tv_get_number_chk(&subli->li_tv, &error); + if (error == TRUE) + goto fail; + } + } + m->pos.pos[i].col = col; + m->pos.pos[i].len = len; + } + else if (li->li_tv.v_type == VAR_NUMBER) + { + if (li->li_tv.vval.v_number == 0) + { + --i; + continue; + } + m->pos.pos[i].lnum = li->li_tv.vval.v_number; + m->pos.pos[i].col = 0; + m->pos.pos[i].len = 0; + } + else + { + emsg(_("E290: List or number required")); + goto fail; + } + if (toplnum == 0 || lnum < toplnum) + toplnum = lnum; + if (botlnum == 0 || lnum >= botlnum) + botlnum = lnum + 1; + } + + // Calculate top and bottom lines for redrawing area + if (toplnum != 0) + { + if (wp->w_buffer->b_mod_set) + { + if (wp->w_buffer->b_mod_top > toplnum) + wp->w_buffer->b_mod_top = toplnum; + if (wp->w_buffer->b_mod_bot < botlnum) + wp->w_buffer->b_mod_bot = botlnum; + } + else + { + wp->w_buffer->b_mod_set = TRUE; + wp->w_buffer->b_mod_top = toplnum; + wp->w_buffer->b_mod_bot = botlnum; + wp->w_buffer->b_mod_xlines = 0; + } + m->pos.toplnum = toplnum; + m->pos.botlnum = botlnum; + rtype = VALID; + } + } + + // Insert new match. The match list is in ascending order with regard to + // the match priorities. + cur = wp->w_match_head; + prev = cur; + while (cur != NULL && prio >= cur->priority) + { + prev = cur; + cur = cur->next; + } + if (cur == prev) + wp->w_match_head = m; + else + prev->next = m; + m->next = cur; + + redraw_win_later(wp, rtype); + return id; + +fail: + vim_free(m); + return -1; +} + +/* + * Delete match with ID 'id' in the match list of window 'wp'. + * Print error messages if 'perr' is TRUE. + */ + static int +match_delete(win_T *wp, int id, int perr) +{ + matchitem_T *cur = wp->w_match_head; + matchitem_T *prev = cur; + int rtype = SOME_VALID; + + if (id < 1) + { + if (perr == TRUE) + semsg(_("E802: Invalid ID: %d (must be greater than or equal to 1)"), + id); + return -1; + } + while (cur != NULL && cur->id != id) + { + prev = cur; + cur = cur->next; + } + if (cur == NULL) + { + if (perr == TRUE) + semsg(_("E803: ID not found: %d"), id); + return -1; + } + if (cur == prev) + wp->w_match_head = cur->next; + else + prev->next = cur->next; + vim_regfree(cur->match.regprog); + vim_free(cur->pattern); + if (cur->pos.toplnum != 0) + { + if (wp->w_buffer->b_mod_set) + { + if (wp->w_buffer->b_mod_top > cur->pos.toplnum) + wp->w_buffer->b_mod_top = cur->pos.toplnum; + if (wp->w_buffer->b_mod_bot < cur->pos.botlnum) + wp->w_buffer->b_mod_bot = cur->pos.botlnum; + } + else + { + wp->w_buffer->b_mod_set = TRUE; + wp->w_buffer->b_mod_top = cur->pos.toplnum; + wp->w_buffer->b_mod_bot = cur->pos.botlnum; + wp->w_buffer->b_mod_xlines = 0; + } + rtype = VALID; + } + vim_free(cur); + redraw_win_later(wp, rtype); + return 0; +} + +/* + * Delete all matches in the match list of window 'wp'. + */ + void +clear_matches(win_T *wp) +{ + matchitem_T *m; + + while (wp->w_match_head != NULL) + { + m = wp->w_match_head->next; + vim_regfree(wp->w_match_head->match.regprog); + vim_free(wp->w_match_head->pattern); + vim_free(wp->w_match_head); + wp->w_match_head = m; + } + redraw_win_later(wp, SOME_VALID); +} + +/* + * Get match from ID 'id' in window 'wp'. + * Return NULL if match not found. + */ + static matchitem_T * +get_match(win_T *wp, int id) +{ + matchitem_T *cur = wp->w_match_head; + + while (cur != NULL && cur->id != 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 called_emsg_before = 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. + 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 > called_emsg_before || 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 + } + } +} + +/* + * 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 updated 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 UNUSED, + int *match_conc UNUSED, + 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)) + { + 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 = 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)) + { + 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 + static int +matchadd_dict_arg(typval_T *tv, char_u **conceal_char, win_T **win) +{ + dictitem_T *di; + + if (tv->v_type != VAR_DICT) + { + emsg(_(e_dictreq)); + return FAIL; + } + + if (dict_find(tv->vval.v_dict, (char_u *)"conceal", -1) != NULL) + *conceal_char = dict_get_string(tv->vval.v_dict, + (char_u *)"conceal", FALSE); + + if ((di = dict_find(tv->vval.v_dict, (char_u *)"window", -1)) != NULL) + { + *win = find_win_by_nr_or_id(&di->di_tv); + if (*win == NULL) + { + emsg(_(e_invalwindow)); + return FAIL; + } + } + + return OK; +} +#endif + +/* + * "clearmatches()" function + */ + void +f_clearmatches(typval_T *argvars UNUSED, typval_T *rettv UNUSED) +{ +#ifdef FEAT_SEARCH_EXTRA + win_T *win = get_optional_window(argvars, 0); + + if (win != NULL) + clear_matches(win); +#endif +} + +/* + * "getmatches()" function + */ + void +f_getmatches(typval_T *argvars UNUSED, typval_T *rettv UNUSED) +{ +# ifdef FEAT_SEARCH_EXTRA + dict_T *dict; + matchitem_T *cur; + int i; + win_T *win = get_optional_window(argvars, 0); + + if (rettv_list_alloc(rettv) == FAIL || win == NULL) + return; + + cur = win->w_match_head; + while (cur != NULL) + { + dict = dict_alloc(); + if (dict == NULL) + return; + if (cur->match.regprog == NULL) + { + // match added with matchaddpos() + for (i = 0; i < MAXPOSMATCH; ++i) + { + llpos_T *llpos; + char buf[30]; // use 30 to avoid compiler warning + list_T *l; + + llpos = &cur->pos.pos[i]; + if (llpos->lnum == 0) + break; + l = list_alloc(); + if (l == NULL) + break; + list_append_number(l, (varnumber_T)llpos->lnum); + if (llpos->col > 0) + { + list_append_number(l, (varnumber_T)llpos->col); + list_append_number(l, (varnumber_T)llpos->len); + } + sprintf(buf, "pos%d", i + 1); + dict_add_list(dict, buf, l); + } + } + else + { + dict_add_string(dict, "pattern", cur->pattern); + } + dict_add_string(dict, "group", syn_id2name(cur->hlg_id)); + dict_add_number(dict, "priority", (long)cur->priority); + dict_add_number(dict, "id", (long)cur->id); +# if defined(FEAT_CONCEAL) + if (cur->conceal_char) + { + char_u buf[MB_MAXBYTES + 1]; + + buf[(*mb_char2bytes)((int)cur->conceal_char, buf)] = NUL; + dict_add_string(dict, "conceal", (char_u *)&buf); + } +# endif + list_append_dict(rettv->vval.v_list, dict); + cur = cur->next; + } +# endif +} + +/* + * "setmatches()" function + */ + void +f_setmatches(typval_T *argvars UNUSED, typval_T *rettv UNUSED) +{ +#ifdef FEAT_SEARCH_EXTRA + list_T *l; + listitem_T *li; + dict_T *d; + list_T *s = NULL; + win_T *win = get_optional_window(argvars, 1); + + rettv->vval.v_number = -1; + if (argvars[0].v_type != VAR_LIST) + { + emsg(_(e_listreq)); + return; + } + if (win == NULL) + return; + + if ((l = argvars[0].vval.v_list) != NULL) + { + // To some extent make sure that we are dealing with a list from + // "getmatches()". + li = l->lv_first; + while (li != NULL) + { + if (li->li_tv.v_type != VAR_DICT + || (d = li->li_tv.vval.v_dict) == NULL) + { + emsg(_(e_invarg)); + return; + } + if (!(dict_find(d, (char_u *)"group", -1) != NULL + && (dict_find(d, (char_u *)"pattern", -1) != NULL + || dict_find(d, (char_u *)"pos1", -1) != NULL) + && dict_find(d, (char_u *)"priority", -1) != NULL + && dict_find(d, (char_u *)"id", -1) != NULL)) + { + emsg(_(e_invarg)); + return; + } + li = li->li_next; + } + + clear_matches(win); + li = l->lv_first; + while (li != NULL) + { + int i = 0; + char buf[30]; // use 30 to avoid compiler warning + dictitem_T *di; + char_u *group; + int priority; + int id; + char_u *conceal; + + d = li->li_tv.vval.v_dict; + if (dict_find(d, (char_u *)"pattern", -1) == NULL) + { + if (s == NULL) + { + s = list_alloc(); + if (s == NULL) + return; + } + + // match from matchaddpos() + for (i = 1; i < 9; i++) + { + sprintf((char *)buf, (char *)"pos%d", i); + if ((di = dict_find(d, (char_u *)buf, -1)) != NULL) + { + if (di->di_tv.v_type != VAR_LIST) + return; + + list_append_tv(s, &di->di_tv); + s->lv_refcount++; + } + else + break; + } + } + + group = dict_get_string(d, (char_u *)"group", TRUE); + priority = (int)dict_get_number(d, (char_u *)"priority"); + id = (int)dict_get_number(d, (char_u *)"id"); + conceal = dict_find(d, (char_u *)"conceal", -1) != NULL + ? dict_get_string(d, (char_u *)"conceal", TRUE) + : NULL; + if (i == 0) + { + match_add(win, group, + dict_get_string(d, (char_u *)"pattern", FALSE), + priority, id, NULL, conceal); + } + else + { + match_add(win, group, NULL, priority, id, s, conceal); + list_unref(s); + s = NULL; + } + vim_free(group); + vim_free(conceal); + + li = li->li_next; + } + rettv->vval.v_number = 0; + } +#endif +} + +/* + * "matchadd()" function + */ + void +f_matchadd(typval_T *argvars UNUSED, typval_T *rettv UNUSED) +{ +# ifdef FEAT_SEARCH_EXTRA + char_u buf[NUMBUFLEN]; + char_u *grp = tv_get_string_buf_chk(&argvars[0], buf); // group + char_u *pat = tv_get_string_buf_chk(&argvars[1], buf); // pattern + int prio = 10; // default priority + int id = -1; + int error = FALSE; + char_u *conceal_char = NULL; + win_T *win = curwin; + + rettv->vval.v_number = -1; + + if (grp == NULL || pat == NULL) + return; + if (argvars[2].v_type != VAR_UNKNOWN) + { + prio = (int)tv_get_number_chk(&argvars[2], &error); + if (argvars[3].v_type != VAR_UNKNOWN) + { + id = (int)tv_get_number_chk(&argvars[3], &error); + if (argvars[4].v_type != VAR_UNKNOWN + && matchadd_dict_arg(&argvars[4], &conceal_char, &win) == FAIL) + return; + } + } + if (error == TRUE) + return; + if (id >= 1 && id <= 3) + { + semsg(_("E798: ID is reserved for \":match\": %d"), id); + return; + } + + rettv->vval.v_number = match_add(win, grp, pat, prio, id, NULL, + conceal_char); +# endif +} + +/* + * "matchaddpos()" function + */ + void +f_matchaddpos(typval_T *argvars UNUSED, typval_T *rettv UNUSED) +{ +# ifdef FEAT_SEARCH_EXTRA + char_u buf[NUMBUFLEN]; + char_u *group; + int prio = 10; + int id = -1; + int error = FALSE; + list_T *l; + char_u *conceal_char = NULL; + win_T *win = curwin; + + rettv->vval.v_number = -1; + + group = tv_get_string_buf_chk(&argvars[0], buf); + if (group == NULL) + return; + + if (argvars[1].v_type != VAR_LIST) + { + semsg(_(e_listarg), "matchaddpos()"); + return; + } + l = argvars[1].vval.v_list; + if (l == NULL) + return; + + if (argvars[2].v_type != VAR_UNKNOWN) + { + prio = (int)tv_get_number_chk(&argvars[2], &error); + if (argvars[3].v_type != VAR_UNKNOWN) + { + id = (int)tv_get_number_chk(&argvars[3], &error); + + if (argvars[4].v_type != VAR_UNKNOWN + && matchadd_dict_arg(&argvars[4], &conceal_char, &win) == FAIL) + return; + } + } + if (error == TRUE) + return; + + // id == 3 is ok because matchaddpos() is supposed to substitute :3match + if (id == 1 || id == 2) + { + semsg(_("E798: ID is reserved for \":match\": %d"), id); + return; + } + + rettv->vval.v_number = match_add(win, group, NULL, prio, id, l, + conceal_char); +# endif +} + +/* + * "matcharg()" function + */ + void +f_matcharg(typval_T *argvars UNUSED, typval_T *rettv) +{ + if (rettv_list_alloc(rettv) == OK) + { +# ifdef FEAT_SEARCH_EXTRA + int id = (int)tv_get_number(&argvars[0]); + matchitem_T *m; + + if (id >= 1 && id <= 3) + { + if ((m = (matchitem_T *)get_match(curwin, id)) != NULL) + { + list_append_string(rettv->vval.v_list, + syn_id2name(m->hlg_id), -1); + list_append_string(rettv->vval.v_list, m->pattern, -1); + } + else + { + list_append_string(rettv->vval.v_list, NULL, -1); + list_append_string(rettv->vval.v_list, NULL, -1); + } + } +# endif + } +} + +/* + * "matchdelete()" function + */ + void +f_matchdelete(typval_T *argvars UNUSED, typval_T *rettv UNUSED) +{ +# ifdef FEAT_SEARCH_EXTRA + win_T *win = get_optional_window(argvars, 1); + + if (win == NULL) + rettv->vval.v_number = -1; + else + rettv->vval.v_number = match_delete(win, + (int)tv_get_number(&argvars[0]), TRUE); +# endif +} +#endif + +#if defined(FEAT_SEARCH_EXTRA) || defined(PROTO) +/* + * ":[N]match {group} {pattern}" + * Sets nextcmd to the start of the next command, if any. Also called when + * skipping commands to find the next command. + */ + void +ex_match(exarg_T *eap) +{ + char_u *p; + char_u *g = NULL; + char_u *end; + int c; + int id; + + if (eap->line2 <= 3) + id = eap->line2; + else + { + emsg(_(e_invcmd)); + return; + } + + // First clear any old pattern. + if (!eap->skip) + match_delete(curwin, id, FALSE); + + if (ends_excmd2(eap->cmd, eap->arg)) + end = eap->arg; + else if ((STRNICMP(eap->arg, "none", 4) == 0 + && (VIM_ISWHITE(eap->arg[4]) + || ends_excmd2(eap->arg, eap->arg + 4)))) + end = eap->arg + 4; + else + { + p = skiptowhite(eap->arg); + if (!eap->skip) + g = vim_strnsave(eap->arg, p - eap->arg); + p = skipwhite(p); + if (*p == NUL) + { + // There must be two arguments. + vim_free(g); + semsg(_(e_invarg2), eap->arg); + return; + } + end = skip_regexp(p + 1, *p, TRUE); + if (!eap->skip) + { + if (*end != NUL && !ends_excmd2(end, skipwhite(end + 1))) + { + vim_free(g); + eap->errmsg = e_trailing; + return; + } + if (*end != *p) + { + vim_free(g); + semsg(_(e_invarg2), p); + return; + } + + c = *end; + *end = NUL; + match_add(curwin, g, p + 1, 10, id, NULL, NULL); + vim_free(g); + *end = c; + } + } + eap->nextcmd = find_nextcmd(end); +} +#endif
--- a/src/proto.h +++ b/src/proto.h @@ -104,6 +104,7 @@ extern int _stricoll(char *a, char *b); # include "main.pro" # include "map.pro" # include "mark.pro" +# include "match.pro" # include "memfile.pro" # include "memline.pro" # ifdef FEAT_MENU
--- a/src/proto/highlight.pro +++ b/src/proto/highlight.pro @@ -43,19 +43,4 @@ void set_context_in_highlight_cmd(expand 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); -void f_matchadd(typval_T *argvars, typval_T *rettv); -void f_matchaddpos(typval_T *argvars, typval_T *rettv); -void f_matcharg(typval_T *argvars, typval_T *rettv); -void f_matchdelete(typval_T *argvars, typval_T *rettv); -void ex_match(exarg_T *eap); /* vim: set ft=c : */
new file mode 100644 --- /dev/null +++ b/src/proto/match.pro @@ -0,0 +1,17 @@ +/* match.c */ +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); +void f_matchadd(typval_T *argvars, typval_T *rettv); +void f_matchaddpos(typval_T *argvars, typval_T *rettv); +void f_matcharg(typval_T *argvars, typval_T *rettv); +void f_matchdelete(typval_T *argvars, typval_T *rettv); +void ex_match(exarg_T *eap); +/* vim: set ft=c : */