Repeat debug calls in failure

debugger.lua

@@ -3,6 +3,7 @@ local function copyObject(o)
   for k,v in pairs(o) do
     obj[k] = v
   end
+  setmetatable(obj, getmetatable(o))
   return obj
 end
 
@@ -13,10 +14,13 @@ local function execDebug(env)
     return false, result[2]
   end
 
-  local func = load(result[2], "debug", "bt", env)
+  local func = load("return " .. result[2], "debug", "bt", env)
+  if type(func) ~= "function" then
+    func = load(result[2], "debug", "bt", env)
     if type(func) ~= "function" then
       return false, func
     end
+  end
 
   return pcall(func)
 end

storage/itemstack.lua

@@ -8,10 +8,12 @@ local ItemStack = Sentinel:tag({}, Sentinel.ITEMSTACK)
 ItemStack.__index = ItemStack
 
 local function hookDebugger(context)
+  while true do
     local errorCond = Debugger.debugREPL(function(retval)
       Logger:error("->", retval)
     end, context)
     Logger:error("x>", errorCond)
+  end
 end
 
 function ItemStack:fromDetail(inv, detail, slot)