diff options
Diffstat (limited to 'src/nvim/buffer.c')
-rw-r--r-- | src/nvim/buffer.c | 233 |
1 files changed, 117 insertions, 116 deletions
diff --git a/src/nvim/buffer.c b/src/nvim/buffer.c index 8f631ae13b..3dee7f76d7 100644 --- a/src/nvim/buffer.c +++ b/src/nvim/buffer.c @@ -3440,31 +3440,17 @@ int build_stl_str_hl( int use_sandbox, char_u fillchar, int maxwidth, - struct stl_hlrec *hltab, - StlClickRecord *tabtab + stl_hlrec_t **hltab, + StlClickRecord **tabtab ) { - int groupitems[STL_MAX_ITEM]; - struct stl_item { - // Where the item starts in the status line output buffer - char_u *start; - // Function to run for ClickFunc items. - char *cmd; - // The minimum width of the item - int minwid; - // The maximum width of the item - int maxwid; - enum { - Normal, - Empty, - Group, - Separate, - Highlight, - TabPage, - ClickFunc, - Trunc - } type; - } items[STL_MAX_ITEM]; + static size_t stl_items_len = 20; // Initial value, grows as needed. + static stl_item_t *stl_items = NULL; + static int *stl_groupitems = NULL; + static stl_hlrec_t *stl_hltab = NULL; + static StlClickRecord *stl_tabtab = NULL; + static int *stl_separator_locations = NULL; + #define TMPLEN 70 char_u buf_tmp[TMPLEN]; char_u win_tmp[TMPLEN]; @@ -3472,6 +3458,14 @@ int build_stl_str_hl( const int save_must_redraw = must_redraw; const int save_redr_type = curwin->w_redr_type; + if (stl_items == NULL) { + stl_items = xmalloc(sizeof(stl_item_t) * stl_items_len); + stl_groupitems = xmalloc(sizeof(int) * stl_items_len); + stl_hltab = xmalloc(sizeof(stl_hlrec_t) * stl_items_len); + stl_tabtab = xmalloc(sizeof(stl_hlrec_t) * stl_items_len); + stl_separator_locations = xmalloc(sizeof(int) * stl_items_len); + } + // When the format starts with "%!" then evaluate it as an expression and // use the result as the actual format string. if (fmt[0] == '%' && fmt[1] == '!') { @@ -3540,14 +3534,17 @@ int build_stl_str_hl( // Proceed character by character through the statusline format string // fmt_p is the current positon in the input buffer for (char_u *fmt_p = usefmt; *fmt_p; ) { - if (curitem == STL_MAX_ITEM) { - // There are too many items. Add the error code to the statusline - // to give the user a hint about what went wrong. - if (out_p + 5 < out_end_p) { - memmove(out_p, " E541", (size_t)5); - out_p += 5; - } - break; + if (curitem == (int)stl_items_len) { + size_t new_len = stl_items_len * 3 / 2; + + stl_items = xrealloc(stl_items, sizeof(stl_item_t) * new_len); + stl_groupitems = xrealloc(stl_groupitems, sizeof(int) * new_len); + stl_hltab = xrealloc(stl_hltab, sizeof(stl_hlrec_t) * new_len); + stl_tabtab = xrealloc(stl_tabtab, sizeof(StlClickRecord) * new_len); + stl_separator_locations = + xrealloc(stl_separator_locations, sizeof(int) * new_len); + + stl_items_len = new_len; } if (*fmt_p != NUL && *fmt_p != '%') { @@ -3591,16 +3588,16 @@ int build_stl_str_hl( if (groupdepth > 0) { continue; } - items[curitem].type = Separate; - items[curitem++].start = out_p; + stl_items[curitem].type = Separate; + stl_items[curitem++].start = out_p; continue; } // STL_TRUNCMARK: Where to begin truncating if the statusline is too long. if (*fmt_p == STL_TRUNCMARK) { fmt_p++; - items[curitem].type = Trunc; - items[curitem++].start = out_p; + stl_items[curitem].type = Trunc; + stl_items[curitem++].start = out_p; continue; } @@ -3616,7 +3613,7 @@ int build_stl_str_hl( // Determine how long the group is. // Note: We set the current output position to null // so `vim_strsize` will work. - char_u *t = items[groupitems[groupdepth]].start; + char_u *t = stl_items[stl_groupitems[groupdepth]].start; *out_p = NUL; long group_len = vim_strsize(t); @@ -3626,40 +3623,40 @@ int build_stl_str_hl( // move the output pointer back to where the group started. // Note: This erases any non-item characters that were in the group. // Otherwise there would be no reason to do this step. - if (curitem > groupitems[groupdepth] + 1 - && items[groupitems[groupdepth]].minwid == 0) { + if (curitem > stl_groupitems[groupdepth] + 1 + && stl_items[stl_groupitems[groupdepth]].minwid == 0) { // remove group if all items are empty and highlight group // doesn't change int group_start_userhl = 0; int group_end_userhl = 0; int n; - for (n = groupitems[groupdepth] - 1; n >= 0; n--) { - if (items[n].type == Highlight) { - group_start_userhl = group_end_userhl = items[n].minwid; + for (n = stl_groupitems[groupdepth] - 1; n >= 0; n--) { + if (stl_items[n].type == Highlight) { + group_start_userhl = group_end_userhl = stl_items[n].minwid; break; } } - for (n = groupitems[groupdepth] + 1; n < curitem; n++) { - if (items[n].type == Normal) { + for (n = stl_groupitems[groupdepth] + 1; n < curitem; n++) { + if (stl_items[n].type == Normal) { break; } - if (items[n].type == Highlight) { - group_end_userhl = items[n].minwid; + if (stl_items[n].type == Highlight) { + group_end_userhl = stl_items[n].minwid; } } if (n == curitem && group_start_userhl == group_end_userhl) { // empty group out_p = t; group_len = 0; - for (n = groupitems[groupdepth] + 1; n < curitem; n++) { + for (n = stl_groupitems[groupdepth] + 1; n < curitem; n++) { // do not use the highlighting from the removed group - if (items[n].type == Highlight) { - items[n].type = Empty; + if (stl_items[n].type == Highlight) { + stl_items[n].type = Empty; } // adjust the start position of TabPage to the next // item position - if (items[n].type == TabPage) { - items[n].start = out_p; + if (stl_items[n].type == TabPage) { + stl_items[n].start = out_p; } } } @@ -3667,18 +3664,19 @@ int build_stl_str_hl( // If the group is longer than it is allowed to be // truncate by removing bytes from the start of the group text. - if (group_len > items[groupitems[groupdepth]].maxwid) { + if (group_len > stl_items[stl_groupitems[groupdepth]].maxwid) { // { Determine the number of bytes to remove long n; if (has_mbyte) { // Find the first character that should be included. n = 0; - while (group_len >= items[groupitems[groupdepth]].maxwid) { + while (group_len >= stl_items[stl_groupitems[groupdepth]].maxwid) { group_len -= ptr2cells(t + n); n += (*mb_ptr2len)(t + n); } } else { - n = (long)(out_p - t) - items[groupitems[groupdepth]].maxwid + 1; + n = (long)(out_p - t) + - stl_items[stl_groupitems[groupdepth]].maxwid + 1; } // } @@ -3689,25 +3687,26 @@ int build_stl_str_hl( memmove(t + 1, t + n, (size_t)(out_p - (t + n))); out_p = out_p - n + 1; // Fill up space left over by half a double-wide char. - while (++group_len < items[groupitems[groupdepth]].minwid) { + while (++group_len < stl_items[stl_groupitems[groupdepth]].minwid) { *out_p++ = fillchar; } // } // correct the start of the items for the truncation - for (int idx = groupitems[groupdepth] + 1; idx < curitem; idx++) { + for (int idx = stl_groupitems[groupdepth] + 1; idx < curitem; idx++) { // Shift everything back by the number of removed bytes - items[idx].start -= n; + stl_items[idx].start -= n; // If the item was partially or completely truncated, set its // start to the start of the group - if (items[idx].start < t) { - items[idx].start = t; + if (stl_items[idx].start < t) { + stl_items[idx].start = t; } } // If the group is shorter than the minimum width, add padding characters. - } else if (abs(items[groupitems[groupdepth]].minwid) > group_len) { - long min_group_width = items[groupitems[groupdepth]].minwid; + } else if ( + abs(stl_items[stl_groupitems[groupdepth]].minwid) > group_len) { + long min_group_width = stl_items[stl_groupitems[groupdepth]].minwid; // If the group is left-aligned, add characters to the right. if (min_group_width < 0) { min_group_width = 0 - min_group_width; @@ -3726,8 +3725,8 @@ int build_stl_str_hl( // } // Adjust item start positions - for (int n = groupitems[groupdepth] + 1; n < curitem; n++) { - items[n].start += group_len; + for (int n = stl_groupitems[groupdepth] + 1; n < curitem; n++) { + stl_items[n].start += group_len; } // Prepend the fill characters @@ -3763,9 +3762,9 @@ int build_stl_str_hl( // User highlight groups override the min width field // to denote the styling to use. if (*fmt_p == STL_USER_HL) { - items[curitem].type = Highlight; - items[curitem].start = out_p; - items[curitem].minwid = minwid > 9 ? 1 : minwid; + stl_items[curitem].type = Highlight; + stl_items[curitem].start = out_p; + stl_items[curitem].minwid = minwid > 9 ? 1 : minwid; fmt_p++; curitem++; continue; @@ -3799,8 +3798,8 @@ int build_stl_str_hl( if (minwid == 0) { // %X ends the close label, go back to the previous tab label nr. for (long n = curitem - 1; n >= 0; n--) { - if (items[n].type == TabPage && items[n].minwid >= 0) { - minwid = items[n].minwid; + if (stl_items[n].type == TabPage && stl_items[n].minwid >= 0) { + minwid = stl_items[n].minwid; break; } } @@ -3809,9 +3808,9 @@ int build_stl_str_hl( minwid = -minwid; } } - items[curitem].type = TabPage; - items[curitem].start = out_p; - items[curitem].minwid = minwid; + stl_items[curitem].type = TabPage; + stl_items[curitem].start = out_p; + stl_items[curitem].minwid = minwid; fmt_p++; curitem++; continue; @@ -3826,10 +3825,10 @@ int build_stl_str_hl( if (*fmt_p != STL_CLICK_FUNC) { break; } - items[curitem].type = ClickFunc; - items[curitem].start = out_p; - items[curitem].cmd = xmemdupz(t, (size_t)(((char *)fmt_p - t))); - items[curitem].minwid = minwid; + stl_items[curitem].type = ClickFunc; + stl_items[curitem].start = out_p; + stl_items[curitem].cmd = xmemdupz(t, (size_t)(((char *)fmt_p - t))); + stl_items[curitem].minwid = minwid; fmt_p++; curitem++; continue; @@ -3850,11 +3849,11 @@ int build_stl_str_hl( // Denotes the start of a new group if (*fmt_p == '(') { - groupitems[groupdepth++] = curitem; - items[curitem].type = Group; - items[curitem].start = out_p; - items[curitem].minwid = minwid; - items[curitem].maxwid = maxwid; + stl_groupitems[groupdepth++] = curitem; + stl_items[curitem].type = Group; + stl_items[curitem].start = out_p; + stl_items[curitem].minwid = minwid; + stl_items[curitem].maxwid = maxwid; fmt_p++; curitem++; continue; @@ -4149,9 +4148,9 @@ int build_stl_str_hl( // Create a highlight item based on the name if (*fmt_p == '#') { - items[curitem].type = Highlight; - items[curitem].start = out_p; - items[curitem].minwid = -syn_namen2id(t, (int)(fmt_p - t)); + stl_items[curitem].type = Highlight; + stl_items[curitem].start = out_p; + stl_items[curitem].minwid = -syn_namen2id(t, (int)(fmt_p - t)); curitem++; fmt_p++; } @@ -4162,8 +4161,8 @@ int build_stl_str_hl( // If we made it this far, the item is normal and starts at // our current position in the output buffer. // Non-normal items would have `continued`. - items[curitem].start = out_p; - items[curitem].type = Normal; + stl_items[curitem].start = out_p; + stl_items[curitem].type = Normal; // Copy the item string into the output buffer if (str != NULL && *str) { @@ -4321,7 +4320,7 @@ int build_stl_str_hl( // Otherwise, there was nothing to print so mark the item as empty } else { - items[curitem].type = Empty; + stl_items[curitem].type = Empty; } // Only free the string buffer if we allocated it. @@ -4362,13 +4361,13 @@ int build_stl_str_hl( // Otherwise, look for the truncation item } else { // Default to truncating at the first item - trunc_p = items[0].start; + trunc_p = stl_items[0].start; item_idx = 0; for (int i = 0; i < itemcnt; i++) { - if (items[i].type == Trunc) { - // Truncate at %< items. - trunc_p = items[i].start; + if (stl_items[i].type == Trunc) { + // Truncate at %< stl_items. + trunc_p = stl_items[i].start; item_idx = i; break; } @@ -4403,7 +4402,7 @@ int build_stl_str_hl( // Ignore any items in the statusline that occur after // the truncation point for (int i = 0; i < itemcnt; i++) { - if (items[i].start > trunc_p) { + if (stl_items[i].start > trunc_p) { itemcnt = i; break; } @@ -4458,12 +4457,12 @@ int build_stl_str_hl( for (int i = item_idx; i < itemcnt; i++) { // Items starting at or after the end of the truncated section need // to be moved backwards. - if (items[i].start >= trunc_end_p) { - items[i].start -= item_offset; + if (stl_items[i].start >= trunc_end_p) { + stl_items[i].start -= item_offset; // Anything inside the truncated area is set to start // at the `<` truncation character. } else { - items[i].start = trunc_p; + stl_items[i].start = trunc_p; } } // } @@ -4479,7 +4478,7 @@ int build_stl_str_hl( // figuring out how many groups there are. int num_separators = 0; for (int i = 0; i < itemcnt; i++) { - if (items[i].type == Separate) { + if (stl_items[i].type == Separate) { num_separators++; } } @@ -4488,11 +4487,10 @@ int build_stl_str_hl( if (num_separators) { // Create an array of the start location for each // separator mark. - int separator_locations[STL_MAX_ITEM]; int index = 0; for (int i = 0; i < itemcnt; i++) { - if (items[i].type == Separate) { - separator_locations[index] = i; + if (stl_items[i].type == Separate) { + stl_separator_locations[index] = i; index++; } } @@ -4504,16 +4502,17 @@ int build_stl_str_hl( for (int i = 0; i < num_separators; i++) { int dislocation = (i == (num_separators - 1)) ? final_spaces : standard_spaces; - char_u *seploc = items[separator_locations[i]].start + dislocation; - STRMOVE(seploc, items[separator_locations[i]].start); - for (char_u *s = items[separator_locations[i]].start; s < seploc; s++) { + char_u *start = stl_items[stl_separator_locations[i]].start; + char_u *seploc = start + dislocation; + STRMOVE(seploc, start); + for (char_u *s = start; s < seploc; s++) { *s = fillchar; } - for (int item_idx = separator_locations[i] + 1; + for (int item_idx = stl_separator_locations[i] + 1; item_idx < itemcnt; item_idx++) { - items[item_idx].start += dislocation; + stl_items[item_idx].start += dislocation; } } @@ -4523,11 +4522,12 @@ int build_stl_str_hl( // Store the info about highlighting. if (hltab != NULL) { - struct stl_hlrec *sp = hltab; + *hltab = stl_hltab; + stl_hlrec_t *sp = stl_hltab; for (long l = 0; l < itemcnt; l++) { - if (items[l].type == Highlight) { - sp->start = items[l].start; - sp->userhl = items[l].minwid; + if (stl_items[l].type == Highlight) { + sp->start = stl_items[l].start; + sp->userhl = stl_items[l].minwid; sp++; } } @@ -4537,16 +4537,17 @@ int build_stl_str_hl( // Store the info about tab pages labels. if (tabtab != NULL) { - StlClickRecord *cur_tab_rec = tabtab; + *tabtab = stl_tabtab; + StlClickRecord *cur_tab_rec = stl_tabtab; for (long l = 0; l < itemcnt; l++) { - if (items[l].type == TabPage) { - cur_tab_rec->start = (char *)items[l].start; - if (items[l].minwid == 0) { + if (stl_items[l].type == TabPage) { + cur_tab_rec->start = (char *)stl_items[l].start; + if (stl_items[l].minwid == 0) { cur_tab_rec->def.type = kStlClickDisabled; cur_tab_rec->def.tabnr = 0; } else { - int tabnr = items[l].minwid; - if (items[l].minwid > 0) { + int tabnr = stl_items[l].minwid; + if (stl_items[l].minwid > 0) { cur_tab_rec->def.type = kStlClickTabSwitch; } else { cur_tab_rec->def.type = kStlClickTabClose; @@ -4556,11 +4557,11 @@ int build_stl_str_hl( } cur_tab_rec->def.func = NULL; cur_tab_rec++; - } else if (items[l].type == ClickFunc) { - cur_tab_rec->start = (char *)items[l].start; + } else if (stl_items[l].type == ClickFunc) { + cur_tab_rec->start = (char *)stl_items[l].start; cur_tab_rec->def.type = kStlClickFuncRun; - cur_tab_rec->def.tabnr = items[l].minwid; - cur_tab_rec->def.func = items[l].cmd; + cur_tab_rec->def.tabnr = stl_items[l].minwid; + cur_tab_rec->def.func = stl_items[l].cmd; cur_tab_rec++; } } |