aboutsummaryrefslogtreecommitdiff
path: root/src/nvim/syntax.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/nvim/syntax.c')
-rw-r--r--src/nvim/syntax.c146
1 files changed, 78 insertions, 68 deletions
diff --git a/src/nvim/syntax.c b/src/nvim/syntax.c
index 721cc7707a..49b63ad324 100644
--- a/src/nvim/syntax.c
+++ b/src/nvim/syntax.c
@@ -92,7 +92,7 @@ typedef struct syn_pattern {
} synpat_T;
typedef struct syn_cluster_S {
- char_u *scl_name; // syntax cluster name
+ char *scl_name; // syntax cluster name
char *scl_name_u; // uppercase of scl_name
int16_t *scl_list; // IDs in this syntax cluster
} syn_cluster_T;
@@ -721,10 +721,12 @@ static void syn_sync(win_T *wp, linenr_T start_lnum, synstate_T *last_valid)
static void save_chartab(char *chartab)
{
- if (syn_block->b_syn_isk != empty_option) {
- memmove(chartab, syn_buf->b_chartab, (size_t)32);
- memmove(syn_buf->b_chartab, syn_win->w_s->b_syn_chartab, (size_t)32);
+ if (syn_block->b_syn_isk == empty_option) {
+ return;
}
+
+ memmove(chartab, syn_buf->b_chartab, (size_t)32);
+ memmove(syn_buf->b_chartab, syn_win->w_s->b_syn_chartab, (size_t)32);
}
static void restore_chartab(char *chartab)
@@ -737,22 +739,23 @@ static void restore_chartab(char *chartab)
/// Return true if the line-continuation pattern matches in line "lnum".
static int syn_match_linecont(linenr_T lnum)
{
- if (syn_block->b_syn_linecont_prog != NULL) {
- regmmatch_T regmatch;
- // chartab array for syn iskeyword
- char buf_chartab[32];
- save_chartab(buf_chartab);
+ if (syn_block->b_syn_linecont_prog == NULL) {
+ return false;
+ }
- regmatch.rmm_ic = syn_block->b_syn_linecont_ic;
- regmatch.regprog = syn_block->b_syn_linecont_prog;
- int r = syn_regexec(&regmatch, lnum, (colnr_T)0,
- IF_SYN_TIME(&syn_block->b_syn_linecont_time));
- syn_block->b_syn_linecont_prog = regmatch.regprog;
+ regmmatch_T regmatch;
+ // chartab array for syn iskeyword
+ char buf_chartab[32];
+ save_chartab(buf_chartab);
- restore_chartab(buf_chartab);
- return r;
- }
- return false;
+ regmatch.rmm_ic = syn_block->b_syn_linecont_ic;
+ regmatch.regprog = syn_block->b_syn_linecont_prog;
+ int r = syn_regexec(&regmatch, lnum, (colnr_T)0,
+ IF_SYN_TIME(&syn_block->b_syn_linecont_time));
+ syn_block->b_syn_linecont_prog = regmatch.regprog;
+
+ restore_chartab(buf_chartab);
+ return r;
}
// Prepare the current state for the start of a line.
@@ -873,14 +876,16 @@ static void syn_stack_free_block(synblock_T *block)
{
synstate_T *p;
- if (block->b_sst_array != NULL) {
- for (p = block->b_sst_first; p != NULL; p = p->sst_next) {
- clear_syn_state(p);
- }
- XFREE_CLEAR(block->b_sst_array);
- block->b_sst_first = NULL;
- block->b_sst_len = 0;
+ if (block->b_sst_array == NULL) {
+ return;
+ }
+
+ for (p = block->b_sst_first; p != NULL; p = p->sst_next) {
+ clear_syn_state(p);
}
+ XFREE_CLEAR(block->b_sst_array);
+ block->b_sst_first = NULL;
+ block->b_sst_len = 0;
}
// Free b_sst_array[] for buffer "buf".
// Used when syntax items changed to force resyncing everywhere.
@@ -1490,8 +1495,8 @@ int get_syntax_attr(const colnr_T col, bool *const can_spell, const bool keep_st
static int syn_current_attr(const bool syncing, const bool displaying, bool *const can_spell,
const bool keep_state)
{
- lpos_T endpos; // was: char_u *endp;
- lpos_T hl_startpos; // was: int hl_startcol;
+ lpos_T endpos;
+ lpos_T hl_startpos;
lpos_T hl_endpos;
lpos_T eos_pos; // end-of-start match (start region)
lpos_T eoe_pos; // end-of-end pattern
@@ -3416,8 +3421,8 @@ static void syn_list_one(const int id, const bool syncing, const bool link_only)
}
msg_putchar(' ');
if (spp->sp_sync_idx >= 0) {
- msg_outtrans((char *)highlight_group_name(SYN_ITEMS(curwin->w_s)
- [spp->sp_sync_idx].sp_syn.id - 1));
+ msg_outtrans(highlight_group_name(SYN_ITEMS(curwin->w_s)
+ [spp->sp_sync_idx].sp_syn.id - 1));
} else {
msg_puts("NONE");
}
@@ -3430,7 +3435,7 @@ static void syn_list_one(const int id, const bool syncing, const bool link_only)
(void)syn_list_header(did_header, 0, id, true);
msg_puts_attr("links to", attr);
msg_putchar(' ');
- msg_outtrans((char *)highlight_group_name(highlight_link_id(id - 1) - 1));
+ msg_outtrans(highlight_group_name(highlight_link_id(id - 1) - 1));
}
}
@@ -3453,7 +3458,7 @@ static void syn_list_cluster(int id)
// slight hack: roughly duplicate the guts of syn_list_header()
msg_putchar('\n');
- msg_outtrans((char *)SYN_CLSTR(curwin->w_s)[id].scl_name);
+ msg_outtrans(SYN_CLSTR(curwin->w_s)[id].scl_name);
if (msg_col >= endcol) { // output at least one space
endcol = msg_col + 1;
@@ -3490,9 +3495,9 @@ static void put_id_list(const char *const name, const int16_t *const list, const
int scl_id = *p - SYNID_CLUSTER;
msg_putchar('@');
- msg_outtrans((char *)SYN_CLSTR(curwin->w_s)[scl_id].scl_name);
+ msg_outtrans(SYN_CLSTR(curwin->w_s)[scl_id].scl_name);
} else {
- msg_outtrans((char *)highlight_group_name(*p - 1));
+ msg_outtrans(highlight_group_name(*p - 1));
}
if (p[1]) {
msg_putchar(',');
@@ -3514,7 +3519,7 @@ static void put_pattern(const char *const s, const int c, const synpat_T *const
if (last_matchgroup == 0) {
msg_outtrans("NONE");
} else {
- msg_outtrans((char *)highlight_group_name(last_matchgroup - 1));
+ msg_outtrans(highlight_group_name(last_matchgroup - 1));
}
msg_putchar(' ');
}
@@ -3524,7 +3529,7 @@ static void put_pattern(const char *const s, const int c, const synpat_T *const
msg_putchar(c);
// output the pattern, in between a char that is not in the pattern
- for (i = 0; vim_strchr(spp->sp_pattern, sepchars[i]) != NULL;) {
+ for (i = 0; vim_strchr(spp->sp_pattern, (uint8_t)sepchars[i]) != NULL;) {
if (sepchars[++i] == NUL) {
i = 0; // no good char found, just use the first one
break;
@@ -3731,7 +3736,7 @@ static void add_keyword(char *const name, const int id, const int flags,
sizeof(name_folded))
: name;
- keyentry_T *const kp = xmalloc(sizeof(keyentry_T) + strlen(name_ic));
+ keyentry_T *const kp = xmalloc(offsetof(keyentry_T, keyword) + strlen(name_ic) + 1);
STRCPY(kp->keyword, name_ic);
kp->k_syn.id = (int16_t)id;
kp->k_syn.inc_tag = current_syn_inc_tag;
@@ -3743,7 +3748,7 @@ static void add_keyword(char *const name, const int id, const int flags,
}
kp->next_list = copy_id_list(next_list);
- const hash_T hash = hash_hash((char_u *)kp->keyword);
+ 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;
@@ -3757,7 +3762,7 @@ static void add_keyword(char *const name, const int id, const int flags,
if (HASHITEM_EMPTY(hi)) {
// new keyword, add to hashtable
kp->ke_next = NULL;
- hash_add_item(ht, hi, (char_u *)kp->keyword, hash);
+ hash_add_item(ht, hi, kp->keyword, hash);
} else {
// keyword already exists, prepend to list
kp->ke_next = HI2KE(hi);
@@ -4000,7 +4005,7 @@ static void syn_cmd_include(exarg_T *eap, int syncing)
// filename to include.
eap->argt |= (EX_XFILE | EX_NOSPC);
separate_nextcmd(eap);
- if (*eap->arg == '<' || *eap->arg == '$' || path_is_absolute((char_u *)eap->arg)) {
+ if (*eap->arg == '<' || *eap->arg == '$' || path_is_absolute(eap->arg)) {
// For an absolute path, "$VIM/..." or "<sfile>.." we ":source" the
// file. Need to expand the file name first. In other cases
// ":runtime!" is used.
@@ -4634,7 +4639,7 @@ static int syn_add_cluster(char *name)
syn_cluster_T *scp = GA_APPEND_VIA_PTR(syn_cluster_T,
&curwin->w_s->b_syn_clusters);
CLEAR_POINTER(scp);
- scp->scl_name = (char_u *)name;
+ scp->scl_name = name;
scp->scl_name_u = vim_strsave_up(name);
scp->scl_list = NULL;
@@ -5042,7 +5047,7 @@ static int get_id_list(char **const arg, const int keylen, int16_t **const list,
regmatch.rm_ic = true;
id = 0;
for (int i = highlight_num_groups(); --i >= 0;) {
- if (vim_regexec(&regmatch, (char *)highlight_group_name(i), (colnr_T)0)) {
+ if (vim_regexec(&regmatch, highlight_group_name(i), (colnr_T)0)) {
if (round == 2) {
// Got more items than expected; can happen
// when adding items that match:
@@ -5369,34 +5374,39 @@ void set_context_in_syntax_cmd(expand_T *xp, const char *arg)
include_link = 0;
include_default = 0;
+ if (*arg == NUL) {
+ return;
+ }
+
// (part of) subcommand already typed
- if (*arg != NUL) {
- const char *p = (const char *)skiptowhite(arg);
- if (*p != NUL) { // Past first word.
- xp->xp_pattern = skipwhite(p);
- if (*skiptowhite(xp->xp_pattern) != NUL) {
- xp->xp_context = EXPAND_NOTHING;
- } else if (STRNICMP(arg, "case", p - arg) == 0) {
- expand_what = EXP_CASE;
- } else if (STRNICMP(arg, "spell", p - arg) == 0) {
- expand_what = EXP_SPELL;
- } else if (STRNICMP(arg, "sync", p - arg) == 0) {
- expand_what = EXP_SYNC;
- } else if (STRNICMP(arg, "list", p - arg) == 0) {
- p = skipwhite(p);
- if (*p == '@') {
- expand_what = EXP_CLUSTER;
- } else {
- xp->xp_context = EXPAND_HIGHLIGHT;
- }
- } else if (STRNICMP(arg, "keyword", p - arg) == 0
- || STRNICMP(arg, "region", p - arg) == 0
- || STRNICMP(arg, "match", p - arg) == 0) {
- xp->xp_context = EXPAND_HIGHLIGHT;
- } else {
- xp->xp_context = EXPAND_NOTHING;
- }
+ const char *p = (const char *)skiptowhite(arg);
+ if (*p == NUL) {
+ return;
+ }
+
+ // past first world
+ xp->xp_pattern = skipwhite(p);
+ if (*skiptowhite(xp->xp_pattern) != NUL) {
+ xp->xp_context = EXPAND_NOTHING;
+ } else if (STRNICMP(arg, "case", p - arg) == 0) {
+ expand_what = EXP_CASE;
+ } else if (STRNICMP(arg, "spell", p - arg) == 0) {
+ expand_what = EXP_SPELL;
+ } else if (STRNICMP(arg, "sync", p - arg) == 0) {
+ expand_what = EXP_SYNC;
+ } else if (STRNICMP(arg, "list", p - arg) == 0) {
+ p = skipwhite(p);
+ if (*p == '@') {
+ expand_what = EXP_CLUSTER;
+ } else {
+ xp->xp_context = EXPAND_HIGHLIGHT;
}
+ } else if (STRNICMP(arg, "keyword", p - arg) == 0
+ || STRNICMP(arg, "region", p - arg) == 0
+ || STRNICMP(arg, "match", p - arg) == 0) {
+ xp->xp_context = EXPAND_HIGHLIGHT;
+ } else {
+ xp->xp_context = EXPAND_NOTHING;
}
}
@@ -5677,7 +5687,7 @@ static void syntime_report(void)
msg_puts(profile_msg(p->average));
msg_puts(" ");
msg_advance(50);
- msg_outtrans((char *)highlight_group_name(p->id - 1));
+ msg_outtrans(highlight_group_name(p->id - 1));
msg_puts(" ");
msg_advance(69);