diff options
Diffstat (limited to 'src/nvim/syntax.c')
| -rw-r--r-- | src/nvim/syntax.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/nvim/syntax.c b/src/nvim/syntax.c index 41b8ebe4a2..4aa7c21ce4 100644 --- a/src/nvim/syntax.c +++ b/src/nvim/syntax.c @@ -3079,6 +3079,41 @@ static void syn_cmd_case(exarg_T *eap, int syncing) } } +/// Handle ":syntax foldlevel" command. +static void syn_cmd_foldlevel(exarg_T *eap, int syncing) +{ + char_u *arg = eap->arg; + char_u *arg_end; + + eap->nextcmd = find_nextcmd(arg); + if (eap->skip) + return; + + if (*arg == NUL) { + switch (curwin->w_s->b_syn_foldlevel) { + case SYNFLD_START: MSG(_("syntax foldlevel start")); break; + case SYNFLD_MINIMUM: MSG(_("syntax foldlevel minimum")); break; + default: break; + } + return; + } + + arg_end = skiptowhite(arg); + if (STRNICMP(arg, "start", 5) == 0 && arg_end - arg == 5) { + curwin->w_s->b_syn_foldlevel = SYNFLD_START; + } else if (STRNICMP(arg, "minimum", 7) == 0 && arg_end - arg == 7) { + curwin->w_s->b_syn_foldlevel = SYNFLD_MINIMUM; + } else { + EMSG2(_(e_illegal_arg), arg); + return; + } + + arg = skipwhite(arg_end); + if (*arg != NUL) { + EMSG2(_(e_illegal_arg), arg); + } +} + /* * Handle ":syntax spell" command. */ @@ -3163,6 +3198,7 @@ void syntax_clear(synblock_T *block) block->b_syn_error = false; // clear previous error block->b_syn_slow = false; // clear previous timeout block->b_syn_ic = false; // Use case, by default + block->b_syn_foldlevel = SYNFLD_START; block->b_syn_spell = SYNSPL_DEFAULT; // default spell checking block->b_syn_containedin = false; block->b_syn_conceal = false; @@ -5487,6 +5523,7 @@ static struct subcommand subcommands[] = { "cluster", syn_cmd_cluster }, { "conceal", syn_cmd_conceal }, { "enable", syn_cmd_enable }, + { "foldlevel", syn_cmd_foldlevel }, { "include", syn_cmd_include }, { "iskeyword", syn_cmd_iskeyword }, { "keyword", syn_cmd_keyword }, @@ -5789,7 +5826,24 @@ int syn_get_foldlevel(win_T *wp, long lnum) && !wp->w_s->b_syn_slow) { syntax_start(wp, lnum); + // Start with the fold level at the start of the line. level = syn_cur_foldlevel(); + + if (wp->w_s->b_syn_foldlevel == SYNFLD_MINIMUM) { + // Find the lowest fold level that is followed by a higher one. + int cur_level = level; + int low_level = cur_level; + while (!current_finished) { + (void)syn_current_attr(false, false, NULL, false); + cur_level = syn_cur_foldlevel(); + if (cur_level < low_level) { + low_level = cur_level; + } else if (cur_level > low_level) { + level = low_level; + } + current_col++; + } + } } if (level > wp->w_p_fdn) { level = wp->w_p_fdn; |