Fix Luacontroller’s print() (#422)

Because of working inside the sandbox, it was unable to print tables.
minetest-mods · Jul 23, 2018 · d4e05f33afc9a369fbbcdb49aea10cd860a7a680 · d4e05f3
1 parent 334400a
commit d4e05f33afc9a369fbbcdb49aea10cd860a7a680
Unified Split

Showing with 4 additions and 0 deletions.

+4 −0 mesecons_luacontroller/init.lua
diff --git a/mesecons_luacontroller/init.lua b/mesecons_luacontroller/init.lua
@@ -198,7 +198,11 @@ end
 -------------------------
 
 local function safe_print(param)
+	local string_meta = getmetatable("")
+	local sandbox = string_meta.__index
+	string_meta.__index = string -- Leave string sandbox temporarily
 	print(dump(param))
+	string_meta.__index = sandbox -- Restore string sandbox
 end
 
 local function safe_date()