From 4a53090610dce86b8f54d59b438a19395e6039be Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Fri, 31 Jul 2026 00:06:25 +0300
Subject: [PATCH] feat: app coroutine error handling

---
 res/scripts/stdlib.lua | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/res/scripts/stdlib.lua b/res/scripts/stdlib.lua
index 9793216a2..2869bba1c 100644
--- a/res/scripts/stdlib.lua
+++ b/res/scripts/stdlib.lua
@@ -140,7 +140,20 @@ local __vc_named_coroutines = {}
 local __vc_next_coroutine = 1
 
 function __vc_start_coroutine(chunk)
-    local co = coroutine.create(chunk)
+    local co = coroutine.create(function()
+        local _, err = xpcall(chunk, function(msg)
+            local traceback = debug.get_traceback(0)
+            local s = string.format("%s:", msg)
+            for i=1,#traceback - 2 do
+                local frame = traceback[i]
+                s = s .. "\n\t"..tb_frame_tostring(frame)
+            end
+            return s
+        end)
+        if err then
+            error(err)
+        end
+    end)
     local id = __vc_next_coroutine
     __vc_next_coroutine = __vc_next_coroutine + 1
     __vc_coroutines[id] = co