inital commit

1 files changed, 72 insertions, 0 deletions

diff --git a/src/ext.lua b/src/ext.lua
new file mode 100644
index 0000000..85d4ef7
--- /dev/null
+++ b/src/ext.lua
@@ -0,0 +1,72 @@
+-- Override tostring to display more info about the table
+local old_tostring = tostring
+local numtabs = 0
+local printed_tables = {}
+--print = log
+--
+			--for obj in *@physobjs
+				--bp.add(t,obj.offset.x,obj.offset.y,obj.size.x,obj.size.y)
+
+local function tostring_helper(el)
+	assert(type(el) == "table", "Tried to call helper with something that was not a table, it was a " .. type(el))
+	local mt = getmetatable(el)
+	if mt and mt.__tostring then
+		return mt.__tostring(el)
+	elseif printed_tables[el] == true then
+		return old_tostring(el)
+	else
+		printed_tables[el] = true
+		numtabs = numtabs + 1
+		local strbuilder = {"{"}
+		for k,v in pairs(el) do
+			local key,value
+			if type(k) == "table" then
+				key = tostring_helper(k)
+			else
+				key = old_tostring(k)
+			end
+			if type(v) == "table" then
+				value = tostring_helper(v)
+			else
+				value = old_tostring(v)
+			end
+			strbuilder[#strbuilder + 1] = string.format("%s%s : %s", string.rep("\t",numtabs), key, value)
+		end
+		strbuilder[#strbuilder + 1] = string.rep("\t",numtabs - 1) .. "}"
+		numtabs = numtabs - 1
+		return table.concat(strbuilder,"\n")
+	end
+
+end
+function tostring(el)
+	printed_tables = {}
+	if type(el) == "table" then
+		return tostring_helper(el)
+	end
+	return old_tostring(el)
+end
+
+function checktype(item,t)
+	if type(item) ~= t then
+		error("Was not call with corret type",3)
+	end
+end
+
+-- Functions to save my hands
+function printf(fmt, ...)
+	print(string.format(fmt,...))
+end
+function errorf(fmt, ...)
+	--Our error isn't actually in this function, it's 1 above us (1) = 2
+	error(string.format(fmt,...),2)
+end
+function assertf(bool, fmt, ...)
+	assert(type(fmt) == "string", "Assertf arg #2 was \"" .. type(fmt) .. "\", expected string")
+	if not bool then
+		args = {fmt}
+		for k,v in ipairs({...}) do
+			table.insert(args,tostring(v))
+		end
+		error(string.format(unpack(args)),2)
+	end
+end