diff options
Diffstat (limited to 'src/nvim/syntax.c')
| -rw-r--r-- | src/nvim/syntax.c | 1166 |
1 files changed, 485 insertions, 681 deletions
diff --git a/src/nvim/syntax.c b/src/nvim/syntax.c index 98e457db18..22eabc75c1 100644 --- a/src/nvim/syntax.c +++ b/src/nvim/syntax.c @@ -16,12 +16,14 @@ #include "nvim/ascii.h" #include "nvim/syntax.h" #include "nvim/charset.h" +#include "nvim/cursor_shape.h" #include "nvim/eval.h" #include "nvim/ex_cmds2.h" #include "nvim/ex_docmd.h" #include "nvim/fileio.h" #include "nvim/fold.h" #include "nvim/hashtab.h" +#include "nvim/highlight.h" #include "nvim/indent_c.h" #include "nvim/mbyte.h" #include "nvim/memline.h" @@ -42,7 +44,6 @@ #include "nvim/ui.h" #include "nvim/os/os.h" #include "nvim/os/time.h" -#include "nvim/api/private/helpers.h" #include "nvim/buffer.h" static bool did_syntax_onoff = false; @@ -53,7 +54,7 @@ static bool did_syntax_onoff = false; struct hl_group { char_u *sg_name; ///< highlight group name char_u *sg_name_u; ///< uppercase of sg_name - int sg_cleared; ///< "hi clear" was used + bool sg_cleared; ///< "hi clear" was used int sg_attr; ///< Screen attr @see ATTR_ENTRY int sg_link; ///< link to this highlight group ID int sg_set; ///< combination of flags in \ref SG_SET @@ -62,7 +63,7 @@ struct hl_group { int sg_cterm; ///< "cterm=" highlighting attr int sg_cterm_fg; ///< terminal fg color number + 1 int sg_cterm_bg; ///< terminal bg color number + 1 - int sg_cterm_bold; ///< bold attr was set for light color + bool sg_cterm_bold; ///< bold attr was set for light color // for RGB UIs int sg_gui; ///< "gui=" highlighting attributes ///< (combination of \ref HlAttrFlags) @@ -115,42 +116,42 @@ static int hl_attr_table[] = {HL_BOLD, HL_STANDOUT, HL_UNDERLINE, HL_UNDERCURL, HL_ITALIC, HL_INVERSE, HL_INVERSE, 0}; -/* - * The patterns that are being searched for are stored in a syn_pattern. - * A match item consists of one pattern. - * A start/end item consists of n start patterns and m end patterns. - * A start/skip/end item consists of n start patterns, one skip pattern and m - * end patterns. - * For the latter two, the patterns are always consecutive: start-skip-end. - * - * A character offset can be given for the matched text (_m_start and _m_end) - * and for the actually highlighted text (_h_start and _h_end). - */ +// The patterns that are being searched for are stored in a syn_pattern. +// A match item consists of one pattern. +// A start/end item consists of n start patterns and m end patterns. +// A start/skip/end item consists of n start patterns, one skip pattern and m +// end patterns. +// For the latter two, the patterns are always consecutive: start-skip-end. +// +// A character offset can be given for the matched text (_m_start and _m_end) +// and for the actually highlighted text (_h_start and _h_end). +// +// Note that ordering of members is optimized to reduce padding. typedef struct syn_pattern { - char sp_type; /* see SPTYPE_ defines below */ - char sp_syncing; /* this item used for syncing */ - int sp_flags; /* see HL_ defines below */ - int sp_cchar; /* conceal substitute character */ - struct sp_syn sp_syn; /* struct passed to in_id_list() */ - short sp_syn_match_id; /* highlight group ID of pattern */ - char_u *sp_pattern; /* regexp to match, pattern */ - regprog_T *sp_prog; /* regexp to match, program */ + char sp_type; // see SPTYPE_ defines below + bool sp_syncing; // this item used for syncing + int16_t sp_syn_match_id; // highlight group ID of pattern + int16_t sp_off_flags; // see below + int sp_offsets[SPO_COUNT]; // offsets + int sp_flags; // see HL_ defines below + int sp_cchar; // conceal substitute character + int sp_ic; // ignore-case flag for sp_prog + int sp_sync_idx; // sync item index (syncing only) + int sp_line_id; // ID of last line where tried + int sp_startcol; // next match in sp_line_id line + int16_t *sp_cont_list; // cont. group IDs, if non-zero + int16_t *sp_next_list; // next group IDs, if non-zero + struct sp_syn sp_syn; // struct passed to in_id_list() + char_u *sp_pattern; // regexp to match, pattern + regprog_T *sp_prog; // regexp to match, program syn_time_T sp_time; - int sp_ic; /* ignore-case flag for sp_prog */ - short sp_off_flags; /* see below */ - int sp_offsets[SPO_COUNT]; /* offsets */ - short *sp_cont_list; /* cont. group IDs, if non-zero */ - short *sp_next_list; /* next group IDs, if non-zero */ - int sp_sync_idx; /* sync item index (syncing only) */ - int sp_line_id; /* ID of last line where tried */ - int sp_startcol; /* next match in sp_line_id line */ } synpat_T; typedef struct syn_cluster_S { - char_u *scl_name; /* syntax cluster name */ - char_u *scl_name_u; /* uppercase of scl_name */ - short *scl_list; /* IDs in this syntax cluster */ + char_u *scl_name; // syntax cluster name + char_u *scl_name_u; // uppercase of scl_name + int16_t *scl_list; // IDs in this syntax cluster } syn_cluster_T; /* @@ -159,27 +160,27 @@ typedef struct syn_cluster_S { * (The end positions have the column number of the next char) */ typedef struct state_item { - int si_idx; /* index of syntax pattern or - KEYWORD_IDX */ - int si_id; /* highlight group ID for keywords */ - int si_trans_id; /* idem, transparency removed */ - int si_m_lnum; /* lnum of the match */ - int si_m_startcol; /* starting column of the match */ - lpos_T si_m_endpos; /* just after end posn of the match */ - lpos_T si_h_startpos; /* start position of the highlighting */ - lpos_T si_h_endpos; /* end position of the highlighting */ - lpos_T si_eoe_pos; /* end position of end pattern */ - int si_end_idx; /* group ID for end pattern or zero */ - int si_ends; /* if match ends before si_m_endpos */ - int si_attr; /* attributes in this state */ - long si_flags; /* HL_HAS_EOL flag in this state, and - * HL_SKIP* for si_next_list */ - int si_seqnr; /* sequence number */ - int si_cchar; /* substitution character for conceal */ - short *si_cont_list; /* list of contained groups */ - short *si_next_list; /* nextgroup IDs after this item ends */ - reg_extmatch_T *si_extmatch; /* \z(...\) matches from start - * pattern */ + int si_idx; // index of syntax pattern or + // KEYWORD_IDX + int si_id; // highlight group ID for keywords + int si_trans_id; // idem, transparency removed + int si_m_lnum; // lnum of the match + int si_m_startcol; // starting column of the match + lpos_T si_m_endpos; // just after end posn of the match + lpos_T si_h_startpos; // start position of the highlighting + lpos_T si_h_endpos; // end position of the highlighting + lpos_T si_eoe_pos; // end position of end pattern + int si_end_idx; // group ID for end pattern or zero + int si_ends; // if match ends before si_m_endpos + int si_attr; // attributes in this state + long si_flags; // HL_HAS_EOL flag in this state, and + // HL_SKIP* for si_next_list + int si_seqnr; // sequence number + int si_cchar; // substitution character for conceal + int16_t *si_cont_list; // list of contained groups + int16_t *si_next_list; // nextgroup IDs after this item ends + reg_extmatch_T *si_extmatch; // \z(...\) matches from start + // pattern } stateitem_T; /* @@ -187,14 +188,14 @@ typedef struct state_item { * very often. */ typedef struct { - int flags; /* flags for contained and transparent */ - int keyword; /* TRUE for ":syn keyword" */ - int *sync_idx; /* syntax item for "grouphere" argument, NULL - if not allowed */ - char has_cont_list; /* TRUE if "cont_list" can be used */ - short *cont_list; /* group IDs for "contains" argument */ - short *cont_in_list; /* group IDs for "containedin" argument */ - short *next_list; /* group IDs for "nextgroup" argument */ + int flags; // flags for contained and transparent + bool keyword; // true for ":syn keyword" + int *sync_idx; // syntax item for "grouphere" argument, NULL + // if not allowed + bool has_cont_list; // true if "cont_list" can be used + int16_t *cont_list; // group IDs for "contains" argument + int16_t *cont_in_list; // group IDs for "containedin" argument + int16_t *next_list; // group IDs for "nextgroup" argument } syn_opt_arg_T; typedef struct { @@ -216,12 +217,6 @@ struct name_list { # include "syntax.c.generated.h" #endif -/* - * An attribute number is the index in attr_table plus ATTR_OFF. - */ -#define ATTR_OFF 1 - - static char *(spo_name_tab[SPO_COUNT]) = {"ms=", "me=", "hs=", "he=", "rs=", "re=", "lc="}; @@ -324,9 +319,10 @@ static int keepend_level = -1; static char msg_no_items[] = N_("No Syntax items defined for this buffer"); -#define KEYWORD_IDX -1 /* value of si_idx for keywords */ -#define ID_LIST_ALL (short *)-1 /* valid of si_cont_list for containing all - but contained groups */ +// value of si_idx for keywords +#define KEYWORD_IDX -1 +// valid of si_cont_list for containing all but contained groups +#define ID_LIST_ALL (int16_t *)-1 static int next_seqnr = 1; /* value to use for si_seqnr */ @@ -369,9 +365,9 @@ static int current_state_stored = 0; /* TRUE if stored current state static int current_finished = 0; /* current line has been finished */ static garray_T current_state /* current stack of state_items */ = GA_EMPTY_INIT_VALUE; -static short *current_next_list = NULL; /* when non-zero, nextgroup list */ -static int current_next_flags = 0; /* flags for current_next_list */ -static int current_line_id = 0; /* unique number for current line */ +static int16_t *current_next_list = NULL; // when non-zero, nextgroup list +static int current_next_flags = 0; // flags for current_next_list +static int current_line_id = 0; // unique number for current line #define CUR_STATE(idx) ((stateitem_T *)(current_state.ga_data))[idx] @@ -1531,32 +1527,26 @@ int syntax_check_changed(linenr_T lnum) */ static bool syn_finish_line( - bool syncing // called for syncing + const bool syncing // called for syncing ) { - stateitem_T *cur_si; - colnr_T prev_current_col; - while (!current_finished) { - (void)syn_current_attr(syncing, FALSE, NULL, FALSE); - /* - * When syncing, and found some item, need to check the item. - */ + (void)syn_current_attr(syncing, false, NULL, false); + + // When syncing, and found some item, need to check the item. if (syncing && current_state.ga_len) { - /* - * Check for match with sync item. - */ - cur_si = &CUR_STATE(current_state.ga_len - 1); + // Check for match with sync item. + const stateitem_T *const cur_si = &CUR_STATE(current_state.ga_len - 1); if (cur_si->si_idx >= 0 && (SYN_ITEMS(syn_block)[cur_si->si_idx].sp_flags & (HL_SYNC_HERE|HL_SYNC_THERE))) { return true; } - /* syn_current_attr() will have skipped the check for an item - * that ends here, need to do that now. Be careful not to go - * past the NUL. */ - prev_current_col = current_col; + // syn_current_attr() will have skipped the check for an item + // that ends here, need to do that now. Be careful not to go + // past the NUL. + const colnr_T prev_current_col = current_col; if (syn_getcurline()[current_col] != NUL) { current_col++; } @@ -1579,9 +1569,9 @@ syn_finish_line( */ int get_syntax_attr( - colnr_T col, - bool *can_spell, - int keep_state /* keep state of char at "col" */ + const colnr_T col, + bool *const can_spell, + const bool keep_state // keep state of char at "col" ) { int attr = 0; @@ -1615,9 +1605,9 @@ get_syntax_attr( * Skip from the current column to "col", get the attributes for "col". */ while (current_col <= col) { - attr = syn_current_attr(FALSE, TRUE, can_spell, - current_col == col ? keep_state : FALSE); - ++current_col; + attr = syn_current_attr(false, true, can_spell, + current_col == col ? keep_state : false); + current_col++; } return attr; @@ -1626,42 +1616,37 @@ get_syntax_attr( /* * Get syntax attributes for current_lnum, current_col. */ -static int -syn_current_attr( - int syncing, // When 1: called for syncing - int displaying, // result will be displayed - bool *can_spell, // return: do spell checking - int keep_state // keep syntax stack afterwards +static int syn_current_attr( + const bool syncing, // When true: called for syncing + const bool displaying, // result will be displayed + bool *const can_spell, // return: do spell checking + const bool keep_state // keep syntax stack afterwards ) { - int syn_id; - lpos_T endpos; /* was: char_u *endp; */ - lpos_T hl_startpos; /* was: int hl_startcol; */ + lpos_T endpos; // was: char_u *endp; + lpos_T hl_startpos; // was: int hl_startcol; lpos_T hl_endpos; - lpos_T eos_pos; /* end-of-start match (start region) */ - lpos_T eoe_pos; /* end-of-end pattern */ - int end_idx; /* group ID for end pattern */ - synpat_T *spp; + lpos_T eos_pos; // end-of-start match (start region) + lpos_T eoe_pos; // end-of-end pattern + int end_idx; // group ID for end pattern stateitem_T *cur_si, *sip = NULL; int startcol; int endcol; long flags; int cchar; - short *next_list; - int found_match; /* found usable match */ - static int try_next_column = FALSE; /* must try in next col */ - int do_keywords; + int16_t *next_list; + bool found_match; // found usable match + static bool try_next_column = false; // must try in next col regmmatch_T regmatch; lpos_T pos; - int lc_col; reg_extmatch_T *cur_extmatch = NULL; char_u buf_chartab[32]; // chartab array for syn iskeyword char_u *line; // current line. NOTE: becomes invalid after // looking for a pattern match! - /* variables for zero-width matches that have a "nextgroup" argument */ - int keep_next_list; - int zero_width_next_list = FALSE; + // variables for zero-width matches that have a "nextgroup" argument + bool keep_next_list; + bool zero_width_next_list = false; garray_T zero_width_next_ga; /* @@ -1696,13 +1681,13 @@ syn_current_attr( */ if (try_next_column) { next_match_idx = -1; - try_next_column = FALSE; + try_next_column = false; } - /* Only check for keywords when not syncing and there are some. */ - do_keywords = !syncing - && (syn_block->b_keywtab.ht_used > 0 - || syn_block->b_keywtab_ic.ht_used > 0); + // Only check for keywords when not syncing and there are some. + const bool do_keywords = !syncing + && (syn_block->b_keywtab.ht_used > 0 + || syn_block->b_keywtab_ic.ht_used > 0); /* Init the list of zero-width matches with a nextlist. This is used to * avoid matching the same item in the same position twice. */ @@ -1717,9 +1702,9 @@ syn_current_attr( * column. */ do { - found_match = FALSE; - keep_next_list = FALSE; - syn_id = 0; + found_match = false; + keep_next_list = false; + int syn_id = 0; /* * 1. Check for a current state. @@ -1741,16 +1726,12 @@ syn_current_attr( */ if (do_keywords) { line = syn_getcurline(); - if (vim_iswordp_buf(line + current_col, syn_buf) - && (current_col == 0 - || !vim_iswordp_buf(line + current_col - 1 - - (has_mbyte - ? (*mb_head_off)(line, line + current_col - 1) - : 0) - , syn_buf))) { - syn_id = check_keyword_id(line, (int)current_col, - &endcol, &flags, &next_list, cur_si, - &cchar); + const char_u *cur_pos = line + current_col; + if (vim_iswordp_buf(cur_pos, syn_buf) + && (current_col == 0 || !vim_iswordp_buf( + cur_pos - 1 - utf_head_off(line, cur_pos - 1), syn_buf))) { + syn_id = check_keyword_id(line, (int)current_col, &endcol, &flags, + &next_list, cur_si, &cchar); if (syn_id != 0) { push_current_state(KEYWORD_IDX); { @@ -1812,7 +1793,7 @@ syn_current_attr( next_match_idx = 0; /* no match in this line yet */ next_match_col = MAXCOL; for (int idx = syn_block->b_syn_patterns.ga_len; --idx >= 0; ) { - spp = &(SYN_ITEMS(syn_block)[idx]); + synpat_T *const spp = &(SYN_ITEMS(syn_block)[idx]); if ( spp->sp_syncing == syncing && (displaying || !(spp->sp_flags & HL_DISPLAY)) && (spp->sp_type == SPTYPE_MATCH @@ -1833,13 +1814,14 @@ syn_current_attr( continue; spp->sp_line_id = current_line_id; - lc_col = current_col - spp->sp_offsets[SPO_LC_OFF]; - if (lc_col < 0) + colnr_T lc_col = current_col - spp->sp_offsets[SPO_LC_OFF]; + if (lc_col < 0) { lc_col = 0; + } regmatch.rmm_ic = spp->sp_ic; regmatch.regprog = spp->sp_prog; - int r = syn_regexec(®match, current_lnum, (colnr_T)lc_col, + int r = syn_regexec(®match, current_lnum, lc_col, IF_SYN_TIME(&spp->sp_time)); spp->sp_prog = regmatch.regprog; if (!r) { @@ -1878,7 +1860,7 @@ syn_current_attr( * column, because it may match from there. */ if (did_match_already(idx, &zero_width_next_ga)) { - try_next_column = TRUE; + try_next_column = true; continue; } @@ -1940,9 +1922,9 @@ syn_current_attr( * If an empty string is matched, may need * to try matching again at next column. */ - if (regmatch.startpos[0].col - == regmatch.endpos[0].col) - try_next_column = TRUE; + if (regmatch.startpos[0].col == regmatch.endpos[0].col) { + try_next_column = true; + } continue; } } @@ -1987,8 +1969,8 @@ syn_current_attr( && lspp->sp_next_list != NULL) { current_next_list = lspp->sp_next_list; current_next_flags = lspp->sp_flags; - keep_next_list = TRUE; - zero_width_next_list = TRUE; + keep_next_list = true; + zero_width_next_list = true; /* Add the index to a list, so that we can check * later that we don't match it again (and cause an @@ -2031,8 +2013,9 @@ syn_current_attr( */ current_next_list = NULL; next_match_idx = -1; - if (!zero_width_next_list) - found_match = TRUE; + if (!zero_width_next_list) { + found_match = true; + } } } while (found_match); @@ -2937,39 +2920,35 @@ static int syn_regexec(regmmatch_T *rmp, linenr_T lnum, colnr_T col, syn_time_T * The caller must check if a keyword can start at startcol. * Return its ID if found, 0 otherwise. */ -static int -check_keyword_id( - char_u *line, - int startcol, /* position in line to check for keyword */ - int *endcolp, /* return: character after found keyword */ - long *flagsp, /* return: flags of matching keyword */ - short **next_listp, /* return: next_list of matching keyword */ - stateitem_T *cur_si, /* item at the top of the stack */ - int *ccharp /* conceal substitution char */ +static int check_keyword_id( + char_u *const line, + const int startcol, // position in line to check for keyword + int *const endcolp, // return: character after found keyword + long *const flagsp, // return: flags of matching keyword + int16_t **const next_listp, // return: next_list of matching keyword + stateitem_T *const cur_si, // item at the top of the stack + int *const ccharp // conceal substitution char ) { - char_u *kwp; - int kwlen; - char_u keyword[MAXKEYWLEN + 1]; /* assume max. keyword len is 80 */ - - /* Find first character after the keyword. First character was already - * checked. */ - kwp = line + startcol; - kwlen = 0; + // Find first character after the keyword. First character was already + // checked. + char_u *const kwp = line + startcol; + int kwlen = 0; do { - if (has_mbyte) + if (has_mbyte) { kwlen += (*mb_ptr2len)(kwp + kwlen); - else - ++kwlen; + } else { + kwlen++; + } } while (vim_iswordp_buf(kwp + kwlen, syn_buf)); - if (kwlen > MAXKEYWLEN) + if (kwlen > MAXKEYWLEN) { return 0; + } - /* - * Must make a copy of the keyword, so we can add a NUL and make it - * lowercase. - */ + // Must make a copy of the keyword, so we can add a NUL and make it + // lowercase. + char_u keyword[MAXKEYWLEN + 1]; // assume max. keyword len is 80 STRLCPY(keyword, kwp, kwlen + 1); keyentry_T *kp = NULL; @@ -3327,12 +3306,10 @@ static void syn_cmd_clear(exarg_T *eap, int syncing) EMSG2(_("E391: No such syntax cluster: %s"), arg); break; } else { - /* - * We can't physically delete a cluster without changing - * the IDs of other clusters, so we do the next best thing - * and make it empty. - */ - short scl_id = id - SYNID_CLUSTER; + // We can't physically delete a cluster without changing + // the IDs of other clusters, so we do the next best thing + // and make it empty. + int scl_id = id - SYNID_CLUSTER; xfree(SYN_CLSTR(curwin->w_s)[scl_id].scl_list); SYN_CLSTR(curwin->w_s)[scl_id].scl_list = NULL; @@ -3355,7 +3332,7 @@ static void syn_cmd_clear(exarg_T *eap, int syncing) /* * Clear one syntax group for the current buffer. */ -static void syn_clear_one(int id, int syncing) +static void syn_clear_one(const int id, const bool syncing) { synpat_T *spp; @@ -3425,9 +3402,9 @@ static void syn_cmd_off(exarg_T *eap, int syncing) static void syn_cmd_onoff(exarg_T *eap, char *name) FUNC_ATTR_NONNULL_ALL { - did_syntax_onoff = true; eap->nextcmd = check_nextcmd(eap->arg); if (!eap->skip) { + did_syntax_onoff = true; char buf[100]; memcpy(buf, "so ", 4); vim_snprintf(buf + 3, sizeof(buf) - 3, SYNTAX_FNAME, name); @@ -3497,8 +3474,8 @@ syn_cmd_list( /* * No argument: List all group IDs and all syntax clusters. */ - for (int id = 1; id <= highlight_ga.ga_len && !got_int; ++id) { - syn_list_one(id, syncing, FALSE); + for (int id = 1; id <= highlight_ga.ga_len && !got_int; id++) { + syn_list_one(id, syncing, false); } for (int id = 0; id < curwin->w_s->b_syn_clusters.ga_len && !got_int; ++id) { syn_list_cluster(id); @@ -3517,10 +3494,11 @@ syn_cmd_list( syn_list_cluster(id - SYNID_CLUSTER); } else { int id = syn_namen2id(arg, (int)(arg_end - arg)); - if (id == 0) + if (id == 0) { EMSG2(_(e_nogroup), arg); - else - syn_list_one(id, syncing, TRUE); + } else { + syn_list_one(id, syncing, true); + } } arg = skipwhite(arg_end); } @@ -3564,14 +3542,12 @@ static int last_matchgroup; */ static void syn_list_one( - int id, - int syncing, /* when TRUE: list syncing items */ - int link_only /* when TRUE; list link-only too */ + const int id, + const bool syncing, // when true: list syncing items + const bool link_only // when true; list link-only too ) { - int attr; - int did_header = FALSE; - synpat_T *spp; + bool did_header = false; static struct name_list namelist1[] = { {HL_DISPLAY, "display"}, @@ -3594,23 +3570,26 @@ syn_list_one( {0, NULL} }; - attr = HL_ATTR(HLF_D); // highlight like directories + const int attr = HL_ATTR(HLF_D); // highlight like directories - /* list the keywords for "id" */ + // list the keywords for "id" if (!syncing) { - did_header = syn_list_keywords(id, &curwin->w_s->b_keywtab, FALSE, attr); + did_header = syn_list_keywords(id, &curwin->w_s->b_keywtab, false, attr); did_header = syn_list_keywords(id, &curwin->w_s->b_keywtab_ic, - did_header, attr); + did_header, attr); } - /* list the patterns for "id" */ - for (int idx = 0; idx < curwin->w_s->b_syn_patterns.ga_len && !got_int; ++idx) { - spp = &(SYN_ITEMS(curwin->w_s)[idx]); - if (spp->sp_syn.id != id || spp->sp_syncing != syncing) + // list the patterns for "id" + for (int idx = 0; + idx < curwin->w_s->b_syn_patterns.ga_len && !got_int; + idx++) { + const synpat_T *const spp = &(SYN_ITEMS(curwin->w_s)[idx]); + if (spp->sp_syn.id != id || spp->sp_syncing != syncing) { continue; + } (void)syn_list_header(did_header, 999, id); - did_header = TRUE; + did_header = true; last_matchgroup = 0; if (spp->sp_type == SPTYPE_MATCH) { put_pattern("match", ' ', spp, attr); @@ -3701,15 +3680,13 @@ static void syn_list_cluster(int id) } } -static void put_id_list(const char *name, - short *list, // NOLINT(runtime/int) - int attr) +static void put_id_list(const char *const name, + const int16_t *const list, + const int attr) { - short *p; - msg_puts_attr(name, attr); msg_putchar('='); - for (p = list; *p; ++p) { + for (const int16_t *p = list; *p; p++) { if (*p >= SYNID_ALLBUT && *p < SYNID_TOP) { if (p[1]) { msg_puts("ALLBUT"); @@ -3721,7 +3698,7 @@ static void put_id_list(const char *name, } else if (*p >= SYNID_CONTAINED && *p < SYNID_CLUSTER) { msg_puts("CONTAINED"); } else if (*p >= SYNID_CLUSTER) { - short scl_id = *p - SYNID_CLUSTER; + int scl_id = *p - SYNID_CLUSTER; msg_putchar('@'); msg_outtrans(SYN_CLSTR(curwin->w_s)[scl_id].scl_name); @@ -3733,12 +3710,10 @@ static void put_id_list(const char *name, msg_putchar(' '); } -static void put_pattern(char *s, int c, synpat_T *spp, int attr) +static void put_pattern(const char *const s, const int c, + const synpat_T *const spp, const int attr) { - long n; - int mask; - int first; - static char *sepchars = "/+=-#@\"|'^&"; + static const char *const sepchars = "/+=-#@\"|'^&"; int i; /* May have to write "matchgroup=group" */ @@ -3767,10 +3742,10 @@ static void put_pattern(char *s, int c, synpat_T *spp, int attr) msg_outtrans(spp->sp_pattern); msg_putchar(sepchars[i]); - /* output any pattern options */ - first = TRUE; - for (i = 0; i < SPO_COUNT; ++i) { - mask = (1 << i); + // output any pattern options + bool first = true; + for (i = 0; i < SPO_COUNT; i++) { + const int mask = (1 << i); if (!(spp->sp_off_flags & (mask + (mask << SPO_COUNT)))) { continue; } @@ -3778,7 +3753,7 @@ static void put_pattern(char *s, int c, synpat_T *spp, int attr) msg_putchar(','); // Separate with commas. } msg_puts(spo_name_tab[i]); - n = spp->sp_offsets[i]; + const long n = spp->sp_offsets[i]; if (i != SPO_LC_OFF) { if (spp->sp_off_flags & mask) msg_putchar('s'); @@ -3787,47 +3762,40 @@ static void put_pattern(char *s, int c, synpat_T *spp, int attr) if (n > 0) msg_putchar('+'); } - if (n || i == SPO_LC_OFF) + if (n || i == SPO_LC_OFF) { msg_outnum(n); - first = FALSE; + } + first = false; } msg_putchar(' '); } -/* - * List or clear the keywords for one syntax group. - * Return TRUE if the header has been printed. - */ -static int -syn_list_keywords( - int id, - hashtab_T *ht, - int did_header, /* header has already been printed */ - int attr +// List or clear the keywords for one syntax group. +// Return true if the header has been printed. +static bool syn_list_keywords( + const int id, + const hashtab_T *const ht, + bool did_header, // header has already been printed + const int attr ) { int outlen; - hashitem_T *hi; - keyentry_T *kp; - int todo; int prev_contained = 0; - short *prev_next_list = NULL; - short *prev_cont_in_list = NULL; + const int16_t *prev_next_list = NULL; + const int16_t *prev_cont_in_list = NULL; int prev_skipnl = 0; int prev_skipwhite = 0; int prev_skipempty = 0; - /* - * Unfortunately, this list of keywords is not sorted on alphabet but on - * hash value... - */ - todo = (int)ht->ht_used; - for (hi = ht->ht_array; todo > 0 && !got_int; ++hi) { + // Unfortunately, this list of keywords is not sorted on alphabet but on + // hash value... + size_t todo = ht->ht_used; + for (const hashitem_T *hi = ht->ht_array; todo > 0 && !got_int; hi++) { if (HASHITEM_EMPTY(hi)) { continue; } - --todo; - for (kp = HI2KE(hi); kp != NULL && !got_int; kp = kp->ke_next) { + todo--; + for (keyentry_T *kp = HI2KE(hi); kp != NULL && !got_int; kp = kp->ke_next) { if (kp->k_syn.id == id) { if (prev_contained != (kp->flags & HL_CONTAINED) || prev_skipnl != (kp->flags & HL_SKIPNL) @@ -3847,7 +3815,7 @@ syn_list_keywords( prev_skipwhite = 0; prev_skipempty = 0; } - did_header = TRUE; + did_header = true; if (prev_contained != (kp->flags & HL_CONTAINED)) { msg_puts_attr("contained", attr); msg_putchar(' '); @@ -3958,19 +3926,19 @@ static void clear_keywtab(hashtab_T *ht) /// @param flags flags for this keyword /// @param cont_in_list containedin for this keyword /// @param next_list nextgroup for this keyword -static void add_keyword(char_u *name, - int id, - int flags, - short *cont_in_list, - short *next_list, - int conceal_char) +static void add_keyword(char_u *const name, + const int id, + const int flags, + int16_t *const cont_in_list, + int16_t *const next_list, + const int conceal_char) { char_u name_folded[MAXKEYWLEN + 1]; - char_u *name_ic = (curwin->w_s->b_syn_ic) - ? str_foldcase(name, (int)STRLEN(name), name_folded, sizeof(name_folded)) - : name; + const char_u *const name_ic = (curwin->w_s->b_syn_ic) + ? str_foldcase(name, (int)STRLEN(name), name_folded, sizeof(name_folded)) + : name; - keyentry_T *kp = xmalloc(sizeof(keyentry_T) + STRLEN(name_ic)); + keyentry_T *const kp = xmalloc(sizeof(keyentry_T) + STRLEN(name_ic)); STRCPY(kp->keyword, name_ic); kp->k_syn.id = id; kp->k_syn.inc_tag = current_syn_inc_tag; @@ -3982,11 +3950,12 @@ static void add_keyword(char_u *name, } kp->next_list = copy_id_list(next_list); - hash_T hash = hash_hash(kp->keyword); - hashtab_T *ht = (curwin->w_s->b_syn_ic) ? &curwin->w_s->b_keywtab_ic - : &curwin->w_s->b_keywtab; - hashitem_T *hi = hash_lookup(ht, (const char *)kp->keyword, - STRLEN(kp->keyword), hash); + const hash_T hash = hash_hash(kp->keyword); + hashtab_T *const ht = (curwin->w_s->b_syn_ic) + ? &curwin->w_s->b_keywtab_ic + : &curwin->w_s->b_keywtab; + hashitem_T *const hi = hash_lookup(ht, (const char *)kp->keyword, + STRLEN(kp->keyword), hash); // even though it looks like only the kp->keyword member is // being used here, vim uses some pointer trickery to get the orignal @@ -4129,13 +4098,9 @@ get_syn_options( return NULL; } } else if (flagtab[fidx].argtype == 11 && arg[5] == '=') { - /* cchar=? */ - if (has_mbyte) { - *conceal_char = mb_ptr2char(arg + 6); - arg += mb_ptr2len(arg + 6) - 1; - } else { - *conceal_char = arg[6]; - } + // cchar=? + *conceal_char = utf_ptr2char(arg + 6); + arg += mb_ptr2len(arg + 6) - 1; if (!vim_isprintc_strict(*conceal_char)) { EMSG(_("E844: invalid cchar value")); return NULL; @@ -4197,8 +4162,8 @@ static void syn_incl_toplevel(int id, int *flagsp) return; *flagsp |= HL_CONTAINED; if (curwin->w_s->b_syn_topgrp >= SYNID_CLUSTER) { - /* We have to alloc this, because syn_combine_list() will free it. */ - short *grp_list = xmalloc(2 * sizeof(short)); + // We have to alloc this, because syn_combine_list() will free it. + int16_t *grp_list = xmalloc(2 * sizeof(*grp_list)); int tlg_id = curwin->w_s->b_syn_topgrp - SYNID_CLUSTER; grp_list[0] = id; @@ -4413,9 +4378,9 @@ syn_cmd_match( /* Get options before the pattern */ syn_opt_arg.flags = 0; - syn_opt_arg.keyword = FALSE; + syn_opt_arg.keyword = false; syn_opt_arg.sync_idx = syncing ? &sync_idx : NULL; - syn_opt_arg.has_cont_list = TRUE; + syn_opt_arg.has_cont_list = true; syn_opt_arg.cont_list = NULL; syn_opt_arg.cont_in_list = NULL; syn_opt_arg.next_list = NULL; @@ -4535,9 +4500,9 @@ syn_cmd_region( init_syn_patterns(); syn_opt_arg.flags = 0; - syn_opt_arg.keyword = FALSE; + syn_opt_arg.keyword = false; syn_opt_arg.sync_idx = NULL; - syn_opt_arg.has_cont_list = TRUE; + syn_opt_arg.has_cont_list = true; syn_opt_arg.cont_list = NULL; syn_opt_arg.cont_in_list = NULL; syn_opt_arg.next_list = NULL; @@ -4715,30 +4680,25 @@ syn_cmd_region( } } -/* - * A simple syntax group ID comparison function suitable for use in qsort() - */ -static int syn_compare_stub(const void *v1, const void *v2) +// A simple syntax group ID comparison function suitable for use in qsort() +static int syn_compare_stub(const void *const v1, const void *const v2) { - const short *s1 = v1; - const short *s2 = v2; + const int16_t *const s1 = v1; + const int16_t *const s2 = v2; return *s1 > *s2 ? 1 : *s1 < *s2 ? -1 : 0; } -/* - * Combines lists of syntax clusters. - * *clstr1 and *clstr2 must both be allocated memory; they will be consumed. - */ -static void syn_combine_list(short **clstr1, short **clstr2, int list_op) +// Combines lists of syntax clusters. +// *clstr1 and *clstr2 must both be allocated memory; they will be consumed. +static void syn_combine_list(int16_t **const clstr1, int16_t **const clstr2, + const int list_op) { - int count1 = 0; - int count2 = 0; - short *g1; - short *g2; - short *clstr = NULL; - int count; - int round; + size_t count1 = 0; + size_t count2 = 0; + const int16_t *g1; + const int16_t *g2; + int16_t *clstr = NULL; /* * Handle degenerate cases. @@ -4755,27 +4715,25 @@ static void syn_combine_list(short **clstr1, short **clstr2, int list_op) return; } - for (g1 = *clstr1; *g1; g1++) - ++count1; - for (g2 = *clstr2; *g2; g2++) - ++count2; + for (g1 = *clstr1; *g1; g1++) { + count1++; + } + for (g2 = *clstr2; *g2; g2++) { + count2++; + } - /* - * For speed purposes, sort both lists. - */ - qsort(*clstr1, (size_t)count1, sizeof(short), syn_compare_stub); - qsort(*clstr2, (size_t)count2, sizeof(short), syn_compare_stub); + // For speed purposes, sort both lists. + qsort(*clstr1, count1, sizeof(**clstr1), syn_compare_stub); + qsort(*clstr2, count2, sizeof(**clstr2), syn_compare_stub); - /* - * We proceed in two passes; in round 1, we count the elements to place - * in the new list, and in round 2, we allocate and populate the new - * list. For speed, we use a mergesort-like method, adding the smaller - * of the current elements in each list to the new list. - */ - for (round = 1; round <= 2; round++) { + // We proceed in two passes; in round 1, we count the elements to place + // in the new list, and in round 2, we allocate and populate the new + // list. For speed, we use a mergesort-like method, adding the smaller + // of the current elements in each list to the new list. + for (int round = 1; round <= 2; round++) { g1 = *clstr1; g2 = *clstr2; - count = 0; + int count = 0; /* * First, loop through the lists until one of them is empty. @@ -4827,7 +4785,7 @@ static void syn_combine_list(short **clstr1, short **clstr2, int list_op) clstr = NULL; break; } - clstr = xmalloc((count + 1) * sizeof(short)); + clstr = xmalloc((count + 1) * sizeof(*clstr)); clstr[count] = 0; } } @@ -4932,9 +4890,7 @@ static void syn_cmd_cluster(exarg_T *eap, int syncing) char_u *arg = eap->arg; char_u *group_name_end; char_u *rest; - int scl_id; - short *clstr_list; - int got_clstr = FALSE; + bool got_clstr = false; int opt_len; int list_op; @@ -4945,9 +4901,10 @@ static void syn_cmd_cluster(exarg_T *eap, int syncing) rest = get_group_name(arg, &group_name_end); if (rest != NULL) { - scl_id = syn_check_cluster(arg, (int)(group_name_end - arg)); - if (scl_id == 0) + int scl_id = syn_check_cluster(arg, (int)(group_name_end - arg)); + if (scl_id == 0) { return; + } scl_id -= SYNID_CLUSTER; for (;; ) { @@ -4966,7 +4923,7 @@ static void syn_cmd_cluster(exarg_T *eap, int syncing) } else break; - clstr_list = NULL; + int16_t *clstr_list = NULL; if (get_id_list(&rest, opt_len, &clstr_list, eap->skip) == FAIL) { EMSG2(_(e_invarg2), rest); break; @@ -5224,35 +5181,28 @@ static void syn_cmd_sync(exarg_T *eap, int syncing) */ static int get_id_list( - char_u **arg, - int keylen, // length of keyword - int16_t **list, // where to store the resulting list, if not - // NULL, the list is silently skipped! - int skip + char_u **const arg, + const int keylen, // length of keyword + int16_t **const list, // where to store the resulting list, if not + // NULL, the list is silently skipped! + const bool skip ) { char_u *p = NULL; char_u *end; - int round; - int count; int total_count = 0; - short *retval = NULL; - char_u *name; + int16_t *retval = NULL; regmatch_T regmatch; int id; - int failed = FALSE; - - /* - * We parse the list twice: - * round == 1: count the number of items, allocate the array. - * round == 2: fill the array with the items. - * In round 1 new groups may be added, causing the number of items to - * grow when a regexp is used. In that case round 1 is done once again. - */ - for (round = 1; round <= 2; ++round) { - /* - * skip "contains" - */ + bool failed = false; + + // We parse the list twice: + // round == 1: count the number of items, allocate the array. + // round == 2: fill the array with the items. + // In round 1 new groups may be added, causing the number of items to + // grow when a regexp is used. In that case round 1 is done once again. + for (int round = 1; round <= 2; round++) { + // skip "contains" p = skipwhite(*arg + keylen); if (*p != '=') { EMSG2(_("E405: Missing equal sign: %s"), *arg); @@ -5264,14 +5214,12 @@ get_id_list( break; } - /* - * parse the arguments after "contains" - */ - count = 0; + // parse the arguments after "contains" + int count = 0; do { - for (end = p; *end && !ascii_iswhite(*end) && *end != ','; ++end) - ; - name = xmalloc((int)(end - p + 3)); /* leave room for "^$" */ + for (end = p; *end && !ascii_iswhite(*end) && *end != ','; end++) { + } + char_u *const name = xmalloc((int)(end - p + 3)); // leave room for "^$" STRLCPY(name + 1, p, end - p + 1); if ( STRCMP(name + 1, "ALLBUT") == 0 || STRCMP(name + 1, "ALL") == 0 @@ -5279,7 +5227,7 @@ get_id_list( || STRCMP(name + 1, "CONTAINED") == 0) { if (TOUPPER_ASC(**arg) != 'C') { EMSG2(_("E407: %s not allowed here"), name + 1); - failed = TRUE; + failed = true; xfree(name); break; } @@ -5315,7 +5263,7 @@ get_id_list( STRCAT(name, "$"); regmatch.regprog = vim_regcomp(name, RE_MAGIC); if (regmatch.regprog == NULL) { - failed = TRUE; + failed = true; xfree(name); break; } @@ -5346,7 +5294,7 @@ get_id_list( xfree(name); if (id == 0) { EMSG2(_("E409: Unknown group name: %s"), p); - failed = TRUE; + failed = true; break; } if (id > 0) { @@ -5369,8 +5317,8 @@ get_id_list( if (failed) break; if (round == 1) { - retval = xmalloc((count + 1) * sizeof(short)); - retval[count] = 0; /* zero means end of the list */ + retval = xmalloc((count + 1) * sizeof(*retval)); + retval[count] = 0; // zero means end of the list total_count = count; } } @@ -5392,20 +5340,18 @@ get_id_list( /* * Make a copy of an ID list. */ -static short *copy_id_list(short *list) +static int16_t *copy_id_list(const int16_t *const list) { - int len; - int count; - short *retval; - - if (list == NULL) + if (list == NULL) { return NULL; + } - for (count = 0; list[count]; ++count) - ; - len = (count + 1) * sizeof(short); - retval = xmalloc(len); - memmove(retval, list, (size_t)len); + int count; + for (count = 0; list[count]; count++) { + } + const size_t len = (count + 1) * sizeof(int16_t); + int16_t *const retval = xmalloc(len); + memmove(retval, list, len); return retval; } @@ -6380,17 +6326,101 @@ int load_colors(char_u *name) recursive = true; size_t buflen = STRLEN(name) + 12; buf = xmalloc(buflen); + apply_autocmds(EVENT_COLORSCHEMEPRE, name, curbuf->b_fname, false, curbuf); snprintf((char *)buf, buflen, "colors/%s.vim", name); retval = source_runtime(buf, DIP_START + DIP_OPT); xfree(buf); apply_autocmds(EVENT_COLORSCHEME, name, curbuf->b_fname, FALSE, curbuf); recursive = false; - ui_refresh(); return retval; } +static char *(color_names[28]) = { + "Black", "DarkBlue", "DarkGreen", "DarkCyan", + "DarkRed", "DarkMagenta", "Brown", "DarkYellow", + "Gray", "Grey", "LightGray", "LightGrey", + "DarkGray", "DarkGrey", + "Blue", "LightBlue", "Green", "LightGreen", + "Cyan", "LightCyan", "Red", "LightRed", "Magenta", + "LightMagenta", "Yellow", "LightYellow", "White", "NONE" }; + // indices: + // 0, 1, 2, 3, + // 4, 5, 6, 7, + // 8, 9, 10, 11, + // 12, 13, + // 14, 15, 16, 17, + // 18, 19, 20, 21, 22, + // 23, 24, 25, 26, 27 +static int color_numbers_16[28] = { 0, 1, 2, 3, + 4, 5, 6, 6, + 7, 7, 7, 7, + 8, 8, + 9, 9, 10, 10, + 11, 11, 12, 12, 13, + 13, 14, 14, 15, -1 }; +// for xterm with 88 colors... +static int color_numbers_88[28] = { 0, 4, 2, 6, + 1, 5, 32, 72, + 84, 84, 7, 7, + 82, 82, + 12, 43, 10, 61, + 14, 63, 9, 74, 13, + 75, 11, 78, 15, -1 }; +// for xterm with 256 colors... +static int color_numbers_256[28] = { 0, 4, 2, 6, + 1, 5, 130, 130, + 248, 248, 7, 7, + 242, 242, + 12, 81, 10, 121, + 14, 159, 9, 224, 13, + 225, 11, 229, 15, -1 }; +// for terminals with less than 16 colors... +static int color_numbers_8[28] = { 0, 4, 2, 6, + 1, 5, 3, 3, + 7, 7, 7, 7, + 0+8, 0+8, + 4+8, 4+8, 2+8, 2+8, + 6+8, 6+8, 1+8, 1+8, 5+8, + 5+8, 3+8, 3+8, 7+8, -1 }; + +// Lookup the "cterm" value to be used for color with index "idx" in +// color_names[]. +// "boldp" will be set to TRUE or FALSE for a foreground color when using 8 +// colors, otherwise it will be unchanged. +int lookup_color(const int idx, const bool foreground, TriState *const boldp) +{ + int color = color_numbers_16[idx]; + + // Use the _16 table to check if it's a valid color name. + if (color < 0) { + return -1; + } + + if (t_colors == 8) { + // t_Co is 8: use the 8 colors table + color = color_numbers_8[idx]; + if (foreground) { + // set/reset bold attribute to get light foreground + // colors (on some terminals, e.g. "linux") + if (color & 8) { + *boldp = kTrue; + } else { + *boldp = kFalse; + } + } + color &= 7; // truncate to 8 colors + } else if (t_colors == 16) { + color = color_numbers_8[idx]; + } else if (t_colors == 88) { + color = color_numbers_88[idx]; + } else if (t_colors >= 256) { + color = color_numbers_256[idx]; + } + return color; +} + /// Handle ":highlight" command /// @@ -6414,12 +6444,14 @@ void do_highlight(const char *line, const bool forceit, const bool init) int attr; int id; int idx; - int dodefault = FALSE; - int doclear = FALSE; - int dolink = FALSE; - int error = FALSE; + struct hl_group item_before; + bool dodefault = false; + bool doclear = false; + bool dolink = false; + bool error = false; int color; bool is_normal_group = false; // "Normal" group + bool did_highlight_changed = false; // If no argument, list current highlighting. if (ends_excmd((uint8_t)(*line))) { @@ -6502,19 +6534,22 @@ void do_highlight(const char *line, const bool forceit, const bool init) if (sourcing_name == NULL && !dodefault) { EMSG(_("E414: group has settings, highlight link ignored")); } - } else { - if (!init) + } else if (HL_TABLE()[from_id - 1].sg_link != to_id + || HL_TABLE()[from_id - 1].sg_scriptID != current_SID + || HL_TABLE()[from_id - 1].sg_cleared) { + if (!init) { HL_TABLE()[from_id - 1].sg_set |= SG_LINK; + } HL_TABLE()[from_id - 1].sg_link = to_id; HL_TABLE()[from_id - 1].sg_scriptID = current_SID; HL_TABLE()[from_id - 1].sg_cleared = false; redraw_all_later(SOME_VALID); + + // Only call highlight changed() once after multiple changes + need_highlight_changed = true; } } - // Only call highlight_changed() once, after sourcing a syntax file. - need_highlight_changed = true; - return; } @@ -6531,7 +6566,7 @@ void do_highlight(const char *line, const bool forceit, const bool init) } init_highlight(true, true); highlight_changed(); - redraw_later_clear(); + redraw_all_later(NOT_VALID); return; } name_end = (const char *)skiptowhite((const char_u *)line); @@ -6550,13 +6585,16 @@ void do_highlight(const char *line, const bool forceit, const bool init) return; } + // Make a copy so we can check if any attribute actually changed + item_before = HL_TABLE()[idx]; is_normal_group = (STRCMP(HL_TABLE()[idx].sg_name_u, "NORMAL") == 0); // Clear the highlighting for ":hi clear {group}" and ":hi clear". if (doclear || (forceit && init)) { highlight_clear(idx); - if (!doclear) + if (!doclear) { HL_TABLE()[idx].sg_set = 0; + } } char *key = NULL; @@ -6657,7 +6695,7 @@ void do_highlight(const char *line, const bool forceit, const bool init) HL_TABLE()[idx].sg_set |= SG_CTERM; } HL_TABLE()[idx].sg_cterm = attr; - HL_TABLE()[idx].sg_cterm_bold = FALSE; + HL_TABLE()[idx].sg_cterm_bold = false; } } else if (*key == 'G') { if (!init || !(HL_TABLE()[idx].sg_set & SG_GUI)) { @@ -6679,7 +6717,7 @@ void do_highlight(const char *line, const bool forceit, const bool init) * flag was set for a light color, reset it now */ if (key[5] == 'F' && HL_TABLE()[idx].sg_cterm_bold) { HL_TABLE()[idx].sg_cterm &= ~HL_BOLD; - HL_TABLE()[idx].sg_cterm_bold = FALSE; + HL_TABLE()[idx].sg_cterm_bold = false; } if (ascii_isdigit(*arg)) { @@ -6701,60 +6739,6 @@ void do_highlight(const char *line, const bool forceit, const bool init) break; } } else { - static const char *color_names[] = { - "Black", "DarkBlue", "DarkGreen", "DarkCyan", - "DarkRed", "DarkMagenta", "Brown", "DarkYellow", - "Gray", "Grey", - "LightGray", "LightGrey", "DarkGray", "DarkGrey", - "Blue", "LightBlue", "Green", "LightGreen", - "Cyan", "LightCyan", "Red", "LightRed", "Magenta", - "LightMagenta", "Yellow", "LightYellow", "White", - "NONE" - }; - static const int color_numbers_16[] = { - 0, 1, 2, 3, - 4, 5, 6, 6, - 7, 7, - 7, 7, 8, 8, - 9, 9, 10, 10, - 11, 11, 12, 12, 13, - 13, 14, 14, 15, - -1 - }; - // For xterm with 88 colors: - static int color_numbers_88[] = { - 0, 4, 2, 6, - 1, 5, 32, 72, - 84, 84, - 7, 7, 82, 82, - 12, 43, 10, 61, - 14, 63, 9, 74, 13, - 75, 11, 78, 15, - -1 - }; - // For xterm with 256 colors: - static int color_numbers_256[] = { - 0, 4, 2, 6, - 1, 5, 130, 130, - 248, 248, - 7, 7, 242, 242, - 12, 81, 10, 121, - 14, 159, 9, 224, 13, - 225, 11, 229, 15, - -1 - }; - // For terminals with less than 16 colors: - static int color_numbers_8[28] = { - 0, 4, 2, 6, - 1, 5, 3, 3, - 7, 7, - 7, 7, 0+8, 0+8, - 4+8, 4+8, 2+8, 2+8, - 6+8, 6+8, 1+8, 1+8, 5+8, - 5+8, 3+8, 3+8, 7+8, - -1 - }; - // Reduce calls to STRICMP a bit, it can be slow. off = TOUPPER_ASC(*arg); for (i = ARRAY_SIZE(color_names); --i >= 0; ) { @@ -6770,32 +6754,16 @@ void do_highlight(const char *line, const bool forceit, const bool init) break; } - // Use the _16 table to check if it's a valid color name. - color = color_numbers_16[i]; - if (color >= 0) { - if (t_colors == 8) { - // t_Co is 8: use the 8 colors table. - color = color_numbers_8[i]; - if (key[5] == 'F') { - /* set/reset bold attribute to get light foreground - * colors (on some terminals, e.g. "linux") */ - if (color & 8) { - HL_TABLE()[idx].sg_cterm |= HL_BOLD; - HL_TABLE()[idx].sg_cterm_bold = true; - } else { - HL_TABLE()[idx].sg_cterm &= ~HL_BOLD; - } - } - color &= 7; // truncate to 8 colors - } else if (t_colors == 16 || t_colors == 88 || t_colors >= 256) { - if (t_colors == 88) { - color = color_numbers_88[i]; - } else if (t_colors >= 256) { - color = color_numbers_256[i]; - } else { - color = color_numbers_8[i]; - } - } + TriState bold = kNone; + color = lookup_color(i, key[5] == 'F', &bold); + + // set/reset bold attribute to get light foreground + // colors (on some terminals, e.g. "linux") + if (bold == kTrue) { + HL_TABLE()[idx].sg_cterm |= HL_BOLD; + HL_TABLE()[idx].sg_cterm_bold = true; + } else if (bold == kFalse) { + HL_TABLE()[idx].sg_cterm &= ~HL_BOLD; } } // Add one to the argument, to avoid zero. Zero is used for @@ -6804,14 +6772,12 @@ void do_highlight(const char *line, const bool forceit, const bool init) HL_TABLE()[idx].sg_cterm_fg = color + 1; if (is_normal_group) { cterm_normal_fg_color = color + 1; - must_redraw = CLEAR; } } else { HL_TABLE()[idx].sg_cterm_bg = color + 1; if (is_normal_group) { cterm_normal_bg_color = color + 1; if (!ui_rgb_attached()) { - must_redraw = CLEAR; if (color >= 0) { int dark = -1; @@ -6836,8 +6802,9 @@ void do_highlight(const char *line, const bool forceit, const bool init) } } else if (strcmp(key, "GUIFG") == 0) { if (!init || !(HL_TABLE()[idx].sg_set & SG_GUI)) { - if (!init) + if (!init) { HL_TABLE()[idx].sg_set |= SG_GUI; + } xfree(HL_TABLE()[idx].sg_rgb_fg_name); if (strcmp(arg, "NONE")) { @@ -6854,8 +6821,9 @@ void do_highlight(const char *line, const bool forceit, const bool init) } } else if (STRCMP(key, "GUIBG") == 0) { if (!init || !(HL_TABLE()[idx].sg_set & SG_GUI)) { - if (!init) + if (!init) { HL_TABLE()[idx].sg_set |= SG_GUI; + } xfree(HL_TABLE()[idx].sg_rgb_bg_name); if (STRCMP(arg, "NONE") != 0) { @@ -6872,8 +6840,9 @@ void do_highlight(const char *line, const bool forceit, const bool init) } } else if (strcmp(key, "GUISP") == 0) { if (!init || !(HL_TABLE()[idx].sg_set & SG_GUI)) { - if (!init) + if (!init) { HL_TABLE()[idx].sg_set |= SG_GUI; + } xfree(HL_TABLE()[idx].sg_rgb_sp_name); if (strcmp(arg, "NONE") != 0) { @@ -6915,19 +6884,33 @@ void do_highlight(const char *line, const bool forceit, const bool init) // Need to update all groups, because they might be using "bg" and/or // "fg", which have been changed now. highlight_attr_set_all(); - // If the normal group has changed, it is simpler to refresh every UI - ui_refresh(); + + if (!ui_is_external(kUILinegrid) && starting == 0) { + // Older UIs assume that we clear the screen after normal group is + // changed + ui_refresh(); + } else { + // TUI and newer UIs will repaint the screen themselves. NOT_VALID + // redraw below will still handle usages of guibg=fg etc. + ui_default_colors_set(); + } + did_highlight_changed = true; + redraw_all_later(NOT_VALID); } else { set_hl_attr(idx); } HL_TABLE()[idx].sg_scriptID = current_SID; - redraw_all_later(NOT_VALID); } xfree(key); xfree(arg); - // Only call highlight_changed() once, after sourcing a syntax file - need_highlight_changed = true; + // Only call highlight_changed() once, after a sequence of highlight + // commands, and only if an attribute actually changed + if (memcmp(&HL_TABLE()[idx], &item_before, sizeof(item_before)) != 0 + && !did_highlight_changed) { + redraw_all_later(NOT_VALID); + need_highlight_changed = true; + } } #if defined(EXITFREE) @@ -6980,7 +6963,7 @@ static void highlight_clear(int idx) HL_TABLE()[idx].sg_attr = 0; HL_TABLE()[idx].sg_cterm = 0; - HL_TABLE()[idx].sg_cterm_bold = FALSE; + HL_TABLE()[idx].sg_cterm_bold = false; HL_TABLE()[idx].sg_cterm_fg = 0; HL_TABLE()[idx].sg_cterm_bg = 0; HL_TABLE()[idx].sg_gui = 0; @@ -7001,161 +6984,6 @@ static void highlight_clear(int idx) } -/// Table with the specifications for an attribute number. -/// Note that this table is used by ALL buffers. This is required because the -/// GUI can redraw at any time for any buffer. -static garray_T attr_table = GA_EMPTY_INIT_VALUE; - -static inline HlAttrs * ATTR_ENTRY(int idx) -{ - return &((HlAttrs *)attr_table.ga_data)[idx]; -} - - -/// Return the attr number for a set of colors and font. -/// Add a new entry to the term_attr_table, attr_table or gui_attr_table -/// if the combination is new. -/// @return 0 for error. -int get_attr_entry(HlAttrs *aep) -{ - garray_T *table = &attr_table; - HlAttrs *taep; - static int recursive = false; - - /* - * Init the table, in case it wasn't done yet. - */ - table->ga_itemsize = sizeof(HlAttrs); - ga_set_growsize(table, 7); - - // Try to find an entry with the same specifications. - for (int i = 0; i < table->ga_len; i++) { - taep = &(((HlAttrs *)table->ga_data)[i]); - if (aep->cterm_ae_attr == taep->cterm_ae_attr - && aep->cterm_fg_color == taep->cterm_fg_color - && aep->cterm_bg_color == taep->cterm_bg_color - && aep->rgb_ae_attr == taep->rgb_ae_attr - && aep->rgb_fg_color == taep->rgb_fg_color - && aep->rgb_bg_color == taep->rgb_bg_color - && aep->rgb_sp_color == taep->rgb_sp_color) { - return i + ATTR_OFF; - } - } - - if (table->ga_len + ATTR_OFF > MAX_TYPENR) { - /* - * Running out of attribute entries! remove all attributes, and - * compute new ones for all groups. - * When called recursively, we are really out of numbers. - */ - if (recursive) { - EMSG(_("E424: Too many different highlighting attributes in use")); - return 0; - } - recursive = TRUE; - - clear_hl_tables(); - - must_redraw = CLEAR; - - for (int i = 0; i < highlight_ga.ga_len; ++i) { - set_hl_attr(i); - } - - recursive = FALSE; - } - - - // This is a new combination of colors and font, add an entry. - taep = GA_APPEND_VIA_PTR(HlAttrs, table); - memset(taep, 0, sizeof(*taep)); - taep->cterm_ae_attr = aep->cterm_ae_attr; - taep->cterm_fg_color = aep->cterm_fg_color; - taep->cterm_bg_color = aep->cterm_bg_color; - taep->rgb_ae_attr = aep->rgb_ae_attr; - taep->rgb_fg_color = aep->rgb_fg_color; - taep->rgb_bg_color = aep->rgb_bg_color; - taep->rgb_sp_color = aep->rgb_sp_color; - - return table->ga_len - 1 + ATTR_OFF; -} - -// Clear all highlight tables. -void clear_hl_tables(void) -{ - ga_clear(&attr_table); -} - -// Combine special attributes (e.g., for spelling) with other attributes -// (e.g., for syntax highlighting). -// "prim_attr" overrules "char_attr". -// This creates a new group when required. -// Since we expect there to be few spelling mistakes we don't cache the -// result. -// Return the resulting attributes. -int hl_combine_attr(int char_attr, int prim_attr) -{ - HlAttrs *char_aep = NULL; - HlAttrs *spell_aep; - HlAttrs new_en = HLATTRS_INIT; - - if (char_attr == 0) { - return prim_attr; - } - - if (prim_attr == 0) { - return char_attr; - } - - // Find the entry for char_attr - char_aep = syn_cterm_attr2entry(char_attr); - - if (char_aep != NULL) { - // Copy all attributes from char_aep to the new entry - new_en = *char_aep; - } - - spell_aep = syn_cterm_attr2entry(prim_attr); - if (spell_aep != NULL) { - new_en.cterm_ae_attr |= spell_aep->cterm_ae_attr; - new_en.rgb_ae_attr |= spell_aep->rgb_ae_attr; - - if (spell_aep->cterm_fg_color > 0) { - new_en.cterm_fg_color = spell_aep->cterm_fg_color; - } - - if (spell_aep->cterm_bg_color > 0) { - new_en.cterm_bg_color = spell_aep->cterm_bg_color; - } - - if (spell_aep->rgb_fg_color >= 0) { - new_en.rgb_fg_color = spell_aep->rgb_fg_color; - } - - if (spell_aep->rgb_bg_color >= 0) { - new_en.rgb_bg_color = spell_aep->rgb_bg_color; - } - - if (spell_aep->rgb_sp_color >= 0) { - new_en.rgb_sp_color = spell_aep->rgb_sp_color; - } - } - return get_attr_entry(&new_en); -} - -/// \note this function does not apply exclusively to cterm attr contrary -/// to what its name implies -/// \warn don't call it with attr 0 (i.e., the null attribute) -HlAttrs *syn_cterm_attr2entry(int attr) -{ - attr -= ATTR_OFF; - if (attr >= attr_table.ga_len) { - // did ":syntax clear" - return NULL; - } - return ATTR_ENTRY(attr); -} - /// \addtogroup LIST_XXX /// @{ #define LIST_ATTR 1 @@ -7163,12 +6991,10 @@ HlAttrs *syn_cterm_attr2entry(int attr) #define LIST_INT 3 /// @} -static void highlight_list_one(int id) +static void highlight_list_one(const int id) { - struct hl_group *sgp; - int didh = FALSE; - - sgp = &HL_TABLE()[id - 1]; /* index is ID minus one */ + struct hl_group *const sgp = &HL_TABLE()[id - 1]; // index is ID minus one + bool didh = false; didh = highlight_list_arg(id, didh, LIST_ATTR, sgp->sg_cterm, NULL, "cterm"); @@ -7205,24 +7031,24 @@ static void highlight_list_one(int id) /// @param type one of \ref LIST_XXX /// @param iarg integer argument used if \p type == LIST_INT /// @param sarg string used if \p type == LIST_STRING -static int highlight_list_arg(int id, int didh, int type, int iarg, - char_u *sarg, const char *name) +static bool highlight_list_arg( + const int id, bool didh, const int type, int iarg, + char_u *const sarg, const char *const name) { char_u buf[100]; - char_u *ts; - int i; - if (got_int) - return FALSE; + if (got_int) { + return false; + } if (type == LIST_STRING ? (sarg != NULL) : (iarg != 0)) { - ts = buf; - if (type == LIST_INT) - sprintf((char *)buf, "%d", iarg - 1); - else if (type == LIST_STRING) + char_u *ts = buf; + if (type == LIST_INT) { + snprintf((char *)buf, sizeof(buf), "%d", iarg - 1); + } else if (type == LIST_STRING) { ts = sarg; - else { /* type == LIST_ATTR */ + } else { // type == LIST_ATTR buf[0] = NUL; - for (i = 0; hl_attr_table[i] != 0; ++i) { + for (int i = 0; hl_attr_table[i] != 0; i++) { if (iarg & hl_attr_table[i]) { if (buf[0] != NUL) xstrlcat((char *)buf, ",", 100); @@ -7232,9 +7058,8 @@ static int highlight_list_arg(int id, int didh, int type, int iarg, } } - (void)syn_list_header(didh, - (int)(vim_strsize(ts) + STRLEN(name) + 1), id); - didh = TRUE; + (void)syn_list_header(didh, (int)(vim_strsize(ts) + STRLEN(name) + 1), id); + didh = true; if (!got_int) { if (*name != NUL) { MSG_PUTS_ATTR(name, HL_ATTR(HLF_D)); @@ -7352,11 +7177,11 @@ const char *highlight_color(const int id, const char *const what, /// @param outlen length of string that comes /// @param id highlight group id /// @return true when started a new line. -static int -syn_list_header(int did_header, int outlen, int id) +static bool syn_list_header(const bool did_header, const int outlen, + const int id) { int endcol = 19; - int newline = TRUE; + bool newline = true; if (!did_header) { msg_putchar('\n'); @@ -7367,11 +7192,13 @@ syn_list_header(int did_header, int outlen, int id) endcol = 15; } else if (msg_col + outlen + 1 >= Columns) { msg_putchar('\n'); - if (got_int) - return TRUE; + if (got_int) { + return true; + } } else { - if (msg_col >= endcol) /* wrap around is like starting a new line */ - newline = FALSE; + if (msg_col >= endcol) { // wrap around is like starting a new line + newline = false; + } } if (msg_col >= endcol) /* output at least one space */ @@ -7398,7 +7225,6 @@ static void set_hl_attr(int idx) HlAttrs at_en = HLATTRS_INIT; struct hl_group *sgp = HL_TABLE() + idx; - at_en.cterm_ae_attr = sgp->sg_cterm; at_en.cterm_fg_color = sgp->sg_cterm_fg; at_en.cterm_bg_color = sgp->sg_cterm_bg; @@ -7410,14 +7236,11 @@ static void set_hl_attr(int idx) at_en.rgb_bg_color = sgp->sg_rgb_bg_name ? sgp->sg_rgb_bg : -1; at_en.rgb_sp_color = sgp->sg_rgb_sp_name ? sgp->sg_rgb_sp : -1; - if (at_en.cterm_fg_color != 0 || at_en.cterm_bg_color != 0 - || at_en.rgb_fg_color != -1 || at_en.rgb_bg_color != -1 - || at_en.rgb_sp_color != -1 || at_en.cterm_ae_attr != 0 - || at_en.rgb_ae_attr != 0) { - sgp->sg_attr = get_attr_entry(&at_en); - } else { - // If all the fields are cleared, clear the attr field back to default value - sgp->sg_attr = 0; + sgp->sg_attr = hl_get_syn_attr(idx+1, at_en); + + // a cursor style uses this syn_id, make sure its atribute is updated. + if (cursor_mode_uses_syn_id(idx+1)) { + ui_mode_info_set(); } } @@ -7553,7 +7376,7 @@ static void syn_unadd_group(void) /// Translate a group ID to highlight attributes. -/// @see syn_cterm_attr2entry +/// @see syn_attr2entry int syn_id2attr(int hl_id) { struct hl_group *sgp; @@ -7590,7 +7413,7 @@ int syn_get_final_id(int hl_id) } /// Refresh the color attributes of all highlight groups. -static void highlight_attr_set_all(void) +void highlight_attr_set_all(void) { for (int idx = 0; idx < highlight_ga.ga_len; idx++) { struct hl_group *sgp = &HL_TABLE()[idx]; @@ -7613,7 +7436,6 @@ static void highlight_attr_set_all(void) /// screen redraw after any :highlight command. void highlight_changed(void) { - int attr; int id; char_u userhl[10]; int id_SNC = -1; @@ -7628,13 +7450,15 @@ void highlight_changed(void) if (id == 0) { abort(); } - attr = syn_id2attr(id); + int final_id = syn_get_final_id(id); if (hlf == (int)HLF_SNC) { - id_SNC = syn_get_final_id(id); + id_SNC = final_id; } else if (hlf == (int)HLF_S) { - id_S = syn_get_final_id(id); + id_S = final_id; } - highlight_attr[hlf] = attr; + + highlight_attr[hlf] = hl_get_ui_attr(hlf, final_id, + hlf == (int)HLF_INACTIVE); } /* Setup the user highlights @@ -8522,26 +8346,6 @@ RgbValue name_to_color(const char_u *name) return -1; } -/// Gets highlight description for id `attr_id` as a map. -Dictionary hl_get_attr_by_id(Integer attr_id, Boolean rgb, Error *err) -{ - HlAttrs *aep = NULL; - Dictionary dic = ARRAY_DICT_INIT; - - if (attr_id == 0) { - return dic; - } - - aep = syn_cterm_attr2entry((int)attr_id); - if (!aep) { - api_set_error(err, kErrorTypeException, - "Invalid attribute id: %" PRId64, attr_id); - return dic; - } - - return hlattrs2dict(aep, rgb); -} - /************************************** * End of Highlighting stuff * |