From 12d123959f56636473112d86ec5977ef993c58e5 Mon Sep 17 00:00:00 2001
From: Raphael <glephunter@gmail.com>
Date: Mon, 22 Jan 2024 16:04:50 +0800
Subject: fix(eval): properly support checking v:lua function in exists()
 (#27124)

---
 src/nvim/eval.lua     | 1 +
 src/nvim/eval/funcs.c | 4 +---
 2 files changed, 2 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/nvim/eval.lua b/src/nvim/eval.lua
index a820f11a5e..37fded85cd 100644
--- a/src/nvim/eval.lua
+++ b/src/nvim/eval.lua
@@ -2202,6 +2202,7 @@ M.funcs = {
       	echo exists("*strftime")
       	echo exists("*s:MyFunc")
       	echo exists("*MyFunc")
+      	echo exists("*v:lua.Func")
       	echo exists("bufcount")
       	echo exists(":Make")
       	echo exists("#CursorHold")
diff --git a/src/nvim/eval/funcs.c b/src/nvim/eval/funcs.c
index 26e4e24124..d5d16fb1ef 100644
--- a/src/nvim/eval/funcs.c
+++ b/src/nvim/eval/funcs.c
@@ -1726,7 +1726,7 @@ static void f_exists(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
       n = false;  // Trailing garbage.
     }
   } else if (*p == '*') {  // Internal or user defined function.
-    n = function_exists(p + 1, false);
+    n = strncmp(p, "*v:lua.", 7) == 0 ? nlua_func_exists(p + 7) : function_exists(p + 1, false);
   } else if (*p == ':') {
     n = cmd_exists(p + 1);
   } else if (*p == '#') {
@@ -1735,8 +1735,6 @@ static void f_exists(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
     } else {
       n = au_exists(p + 1);
     }
-  } else if (strncmp(p, "v:lua.", 6) == 0 && nlua_func_exists(p + 6)) {
-    n = true;
   } else {  // Internal variable.
     n = var_exists(p);
   }
-- 
cgit