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Handle undefined objects better

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This commit is contained in:
Perttu Ahola 2011-11-12 18:34:04 +02:00
parent 73bb3bc595
commit 7b802c547d
6 changed files with 23 additions and 76 deletions
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63
data/scripts/default.lua
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@ -1,66 +1,3 @@
--[[function basicSerialize(o)
if type(o) == "number" then
return tostring(o)
else -- assume it is a string
return string.format("%q", o)
end
end
function dump2(name, value, saved)
saved = saved or {} -- initial value
io.write(name, " = ")
if type(value) == "number" or type(value) == "string" then
io.write(basicSerialize(value), "\n")
elseif type(value) == "table" then
if saved[value] then -- value already saved?
io.write(saved[value], "\n") -- use its previous name
else
saved[value] = name -- save name for next time
io.write("{}\n") -- create a new table
for k,v in pairs(value) do -- save its fields
local fieldname = string.format("%s[%s]", name,
basicSerialize(k))
save(fieldname, v, saved)
end
end
else
error("cannot save a " .. type(value))
end
end]]
--[[function dump(o, name, dumped, s)
name = name or "_"
dumped = dumped or {}
s = s or ""
s = s .. name .. " = "
if type(o) == "number" then
s = s .. tostring(o)
elseif type(o) == "string" then
s = s .. string.format("%q", o)
elseif type(o) == "boolean" then
s = s .. tostring(o)
elseif type(o) == "function" then
s = s .. "<function>"
elseif type(o) == "nil" then
s = s .. "nil"
elseif type(o) == "table" then
if dumped[o] then
s = s .. dumped[o]
else
dumped[o] = name
local t = {}
for k,v in pairs(o) do
t[#t+1] = dump(v, k, dumped)
end
s = s .. "{" .. table.concat(t, ", ") .. "}"
end
else
error("cannot dump a " .. type(o))
return nil
end
return s
end]]
function basic_dump2(o)
if type(o) == "number" then
return tostring(o)