neovim

commit 6a330f893bf15ecab99f1fc796029c7bdba71139
parent 1b3abfa688865d95b85c27d3e523c087669604a2
Author: zeertzjq <zeertzjq@outlook.com>
Date:   Sun, 31 Aug 2025 06:44:23 +0800

fix(lua): report error in Lua Funcref callback properly (#35555)


Diffstat:
M
src/nvim/lua/executor.c
 | 
2
+-
M
test/functional/lua/luaeval_spec.lua
 | 
3
+++

2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/nvim/lua/executor.c b/src/nvim/lua/executor.c
@@ -1496,7 +1496,7 @@ int typval_exec_lua_callable(LuaRef lua_cb, int argcount, typval_T *argvars, typ
   PUSH_ALL_TYPVALS(lstate, argvars, argcount, false);
 
   if (nlua_pcall(lstate, argcount, 1)) {
-    nlua_print(lstate);
+    nlua_error(lstate, _("Lua callback: %.*s"));
     return FCERR_OTHER;
   }
 
diff --git a/test/functional/lua/luaeval_spec.lua b/test/functional/lua/luaeval_spec.lua
@@ -16,6 +16,7 @@ local feed = n.feed
 local assert_alive = n.assert_alive
 local NIL = vim.NIL
 local eq = t.eq
+local matches = t.matches
 
 before_each(clear)
 
@@ -289,6 +290,8 @@ describe('luaeval()', function()
       return true
     ]]
     )
+    -- v:errmsg is set properly #35554
+    matches(': dead function\n', api.nvim_get_vvar('errmsg'))
   end)
 
   it('should handle passing functions around', function()