90 lines
1.8 KiB
Lua
90 lines
1.8 KiB
Lua
-- Random Luabins dataset generator
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package.cpath = "./lib/?.so;"..package.cpath
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local luabins = require("luabins")
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local luabins_save, luabins_load = luabins.save, luabins.load
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math.randomseed(123456)
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-- TODO: Generalize. Copy-paste from test.lua
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local function gen_random_dataset(num, nesting)
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num = num or math.random(0, 128)
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nesting = nesting or 1
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local gen_str = function()
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local t = {}
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local n = math.random(0, 1024)
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for i = 1, n do
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t[i] = string.char(math.random(0, 255))
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end
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return table.concat(t)
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end
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local gen_bool = function() return math.random() >= 0.5 end
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local gen_nil = function() return nil end
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local generators =
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{
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gen_nil;
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gen_nil;
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gen_nil;
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gen_bool;
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gen_bool;
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gen_bool;
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function() return math.random() end;
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function() return math.random(-10000, 10000) end;
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function() return math.random() * math.random(-10000, 10000) end;
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gen_str;
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gen_str;
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gen_str;
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function()
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if nesting >= 24 then
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return nil
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end
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local t = {}
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local n = math.random(0, 24 - nesting)
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for i = 1, n do
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local k = gen_random_dataset(1, nesting + 1)
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if k == nil then
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k = "(nil)"
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end
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t[ k ] = gen_random_dataset(
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1,
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nesting + 1
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)
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end
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return t
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end;
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}
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local t = {}
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for i = 1, num do
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local n = math.random(1, #generators)
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t[i] = generators[n]()
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end
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return unpack(t, 0, num)
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end
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local saved = assert(luabins_save(gen_random_dataset()))
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local filename = select(1, ...)
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assert(filename, "Usage: lua dataset.lua <out_filename>")
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local file
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if filename == "-" then
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file = io.stdout
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else
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file = assert(io.open(filename, "w"))
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end
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file:write(saved)
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if file ~= io.stdout then
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file:close()
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end
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file = nil
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