add LvDEBUG

so we can get rid of stack overflow when dumping a widget

frontend/dbg.lua

@@ -21,10 +21,14 @@ function Dbg:logEv(ev)
 end
 
 function DEBUG(...)
+	LvDEBUG(math.huge, ...)
+end
+
+function LvDEBUG(lv, ...)
 	local line = ""
 	for i,v in ipairs({...}) do
 		if type(v) == "table" then
-			line = line .. " " .. dump(v)
+			line = line .. " " .. dump(v, lv)
 		else
 			line = line .. " " .. tostring(v)
 		end
@@ -32,5 +36,3 @@ function DEBUG(...)
 	print("#"..line)
 end
 
-
-

frontend/settings.lua

@@ -64,14 +64,22 @@ function DocSettings:delSetting(key)
 	self.data[key] = nil
 end
 
-function dump(data)
+function dump(data, max_lv)
 	local out = {}
-	DocSettings:_serialize(data, out, 0)
+	DocSettings:_serialize(data, out, 0, max_lv)
 	return table.concat(out)
 end
 
 -- simple serialization function, won't do uservalues, functions, loops
-function DocSettings:_serialize(what, outt, indent)
+function DocSettings:_serialize(what, outt, indent, max_lv)
+	if not max_lv then
+		max_lv = math.huge
+	end
+
+	if indent > max_lv then
+		return
+	end
+
 	if type(what) == "table" then
 		local didrun = false
 		table.insert(outt, "{")
@@ -82,9 +90,9 @@ function DocSettings:_serialize(what, outt, indent)
 			table.insert(outt, "\n")
 			table.insert(outt, string.rep("\t", indent+1))
 			table.insert(outt, "[")
-			self:_serialize(k, outt, indent+1)
+			self:_serialize(k, outt, indent+1, max_lv)
 			table.insert(outt, "] = ")
-			self:_serialize(v, outt, indent+1)
+			self:_serialize(v, outt, indent+1, max_lv)
 			didrun = true
 		end
 		if didrun then