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-- Stuff to load before everything else
--[[
rewrite traceback function to map file names and line numbers to moonscript
]]
local old_traceback = debug.traceback
debug.traceback = function(...)
local orig_traceback = old_traceback(...)
local noprint = {}
return orig_traceback:gsub("([%w/_]+%.lua):(%d+):",function(filename, linenum)
--If our file is not moonscript, we won't have a debug file
local debugfile = am.load_string(filename .. ".X")
if not debugfile then
return filename .. ":" .. linenum .. ":"
end
debugfile = debugfile .. "\n"
for line in debugfile:gmatch("([^\n]+)\n") do
local _,_,pos,lua,moon = line:find("(%d+)%s+(%d+):%b[] >> (%d+)")
if pos and lua and moon and tonumber(linenum) == tonumber(lua) then
filename = filename:gsub(".lua$",".moon")
linenum = moon
break
end
end
return string.format("%s:%d:", filename, linenum)
end)
end
-- Override tostring to display more info about the table
local old_tostring = tostring
local numtabs = 0
local printed_tables = {}
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
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