mirror of
https://github.com/pkulchenko/serpent.git
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50 lines
2.0 KiB
Lua
50 lines
2.0 KiB
Lua
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local serpent = require("serpent")
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local serialize = serpent.serialize
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--[[ Penlight
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local serialize = require("pl.pretty").write --]]
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--[[ metalua
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require("serialize") -- this creates global serialize() function --]]
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--[[ lua-nucleo
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import = require("lua-nucleo.import_as_require").import
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local serialize = require("lua-nucleo.tserialize").tserialize --]]
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local b = {text="ha'ns", ['co\nl or']='bl"ue', str="\"\n'\\\000"}
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local c = function() return 1 end
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local a = {
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x=1, [true] = {b}, [not true]=2, -- boolean as key
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['true'] = 'some value', -- keyword as a key
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z = c, -- function as value
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list={'a',nil,nil, -- shared reference, embedded nils
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[9]='i','f',[5]='g',[7]={}}, -- empty table
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[c] = print, -- function as key, global as value
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[io.stdin] = 3, -- global userdata as key
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['label 2'] = b, -- shared reference
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[b] = 0/0, -- table as key, undefined value as value
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[math.huge] = -math.huge, -- huge as number value
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}
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a.c = a -- self-reference
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a[a] = a -- self-reference with table as key
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print("pretty: " .. serpent.printmult(a) .. "\n") -- serialize(a, nil, ' ')
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print("line: " .. serpent.printsing(a) .. "\n") -- serialize(a)
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local str = serpent.serialize(a, 'a')
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print("full: " .. str .. "\n")
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local fun, err = loadstring(str)
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if err then error(err) end
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local _a = fun()
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local _b = _a['label 2'] -- shared reference
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local _c = _a.z -- function
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assert(_a[not true] == 2, "boolean value as key: failed")
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assert(_a[true][1] == _b, "shared reference stays shared: failed")
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assert(_c() == 1, "serialized user function returns value: failed")
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assert(tostring(_a[_b]) == tostring(0/0), "table as key and undefined value: failed")
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assert(_a[math.huge] == -math.huge, "math.huge as key and value: failed")
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assert(_a[io.stdin] == 3, "io.stdin as key: failed")
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assert(_a[_c] == print, "shared function as key and global function as value: failed")
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assert(#(_a.list) == #(a.list), "size of array part stays the same: failed")
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assert(#(_a.list[7]) == 0, "empty table stays empty: failed")
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