fix(messages): more ext_messages kinds #31279

Add kinds for various commands that output a list, the 'wildmode'
list, and for number prompts.

src/nvim/buffer.c

@@ -2819,6 +2819,7 @@ void buflist_list(exarg_T *eap)
   garray_T buflist;
   buf_T **buflist_data = NULL;
 
+  msg_ext_set_kind("list_cmd");
   if (vim_strchr(eap->arg, 't')) {
     ga_init(&buflist, sizeof(buf_T *), 50);
     for (buf = firstbuf; buf != NULL; buf = buf->b_next) {

src/nvim/cmdexpand.c

@@ -1084,6 +1084,7 @@ int showmatches(expand_T *xp, bool wildmenu)
     ui_flush();
     cmdline_row = msg_row;
     msg_didany = false;                 // lines_left will be set again
+    msg_ext_set_kind("wildlist");
     msg_start();                        // prepare for paging
   }
 

src/nvim/eval/funcs.c

@@ -3540,6 +3540,7 @@ static void f_inputlist(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
     return;
   }
 
+  msg_ext_set_kind("list_cmd");
   msg_start();
   msg_row = Rows - 1;   // for when 'cmdheight' > 1
   lines_left = Rows;    // avoid more prompt

src/nvim/eval/vars.c

@@ -1403,6 +1403,7 @@ static void list_one_var(dictitem_T *v, const char *prefix, int *first)
 static void list_one_var_a(const char *prefix, const char *name, const ptrdiff_t name_len,
                            const VarType type, const char *string, int *first)
 {
+  msg_ext_set_kind("list_cmd");
   // don't use msg() to avoid overwriting "v:statusmsg"
   msg_start();
   msg_puts(prefix);

src/nvim/ex_docmd.c

@@ -980,8 +980,6 @@ void handle_did_throw(void)
     force_abort = true;
   }
 
-  msg_ext_set_kind("emsg");  // kind=emsg for :throw, exceptions. #9993
-
   if (messages != NULL) {
     do {
       msglist_T *next = messages->next;

src/nvim/highlight_group.c

@@ -1001,6 +1001,7 @@ void do_highlight(const char *line, const bool forceit, const bool init)
 {
   // If no argument, list current highlighting.
   if (!init && ends_excmd((uint8_t)(*line))) {
+    msg_ext_set_kind("list_cmd");
     for (int i = 1; i <= highlight_ga.ga_len && !got_int; i++) {
       // TODO(brammool): only call when the group has attributes set
       highlight_list_one(i);
@@ -1038,6 +1039,7 @@ void do_highlight(const char *line, const bool forceit, const bool init)
     if (id == 0) {
       semsg(_(e_highlight_group_name_not_found_str), line);
     } else {
+      msg_ext_set_kind("list_cmd");
       highlight_list_one(id);
     }
     return;

src/nvim/input.c

@@ -223,6 +223,7 @@ int get_number(int colon, bool *mouse_used)
 /// the line number.
 int prompt_for_number(bool *mouse_used)
 {
+  msg_ext_set_kind("number_prompt");
   // When using ":silent" assume that <CR> was entered.
   if (mouse_used != NULL) {
     msg_puts(_("Type number and <Enter> or click with the mouse "

src/nvim/mapping.c

@@ -581,6 +581,9 @@ static int buf_do_map(int maptype, MapArguments *args, int mode, bool is_abbrev,
   const bool has_lhs = (args->lhs[0] != NUL);
   const bool has_rhs = args->rhs_lua != LUA_NOREF || (args->rhs[0] != NUL) || args->rhs_is_noop;
   const bool do_print = !has_lhs || (maptype != MAPTYPE_UNMAP && !has_rhs);
+  if (do_print) {
+    msg_ext_set_kind("list_cmd");
+  }
 
   // check for :unmap without argument
   if (maptype == MAPTYPE_UNMAP && !has_lhs) {

src/nvim/message.c

@@ -750,6 +750,10 @@ bool emsg_multiline(const char *s, bool multiline)
   msg_scroll = true;
   msg_source(hl_id);
 
+  if (msg_ext_kind == NULL) {
+    msg_ext_set_kind("emsg");
+  }
+
   // Display the error message itself.
   msg_nowait = false;  // Wait for this msg.
   return msg_hl_keep(s, hl_id, false, multiline);

src/nvim/option.c

@@ -1276,6 +1276,7 @@ static void do_one_set_option(int opt_flags, char **argp, bool *did_show, char *
       gotocmdline(true);                // cursor at status line
       *did_show = true;                 // remember that we did a line
     }
+    msg_ext_set_kind("list_cmd");
     showoneopt(&options[opt_idx], opt_flags);
 
     if (p_verbose > 0) {
@@ -4048,6 +4049,7 @@ static void showoptions(bool all, int opt_flags)
 
   vimoption_T **items = xmalloc(sizeof(vimoption_T *) * OPTION_COUNT);
 
+  msg_ext_set_kind("list_cmd");
   // Highlight title
   if (opt_flags & OPT_GLOBAL) {
     msg_puts_title(_("\n--- Global option values ---"));

src/nvim/spellsuggest.c

@@ -516,6 +516,7 @@ void spell_suggest(int count)
   spell_find_suggest(line + curwin->w_cursor.col, badlen, &sug, limit,
                      true, need_cap, true);
 
+  msg_ext_set_kind("list_cmd");
   if (GA_EMPTY(&sug.su_ga)) {
     msg(_("Sorry, no suggestions"), 0);
   } else if (count > 0) {

src/nvim/ui.c

@@ -721,7 +721,7 @@ void ui_call_event(char *name, bool fast, Array args)
   // Prompt messages should be shown immediately so must be safe
   if (strcmp(name, "msg_show") == 0) {
     char *kind = args.items[0].data.string.data;
-    fast = !kind || (strncmp(kind, "confirm", 7) != 0 && strcmp(kind, "return_prompt") != 0);
+    fast = !kind || ((strncmp(kind, "confirm", 7) != 0 && strstr(kind, "_prompt") == NULL));
   }
 
   map_foreach(&ui_event_cbs, ui_event_ns_id, event_cb, {