forked from len0rd/rockbox
9b2f23319c
temp loader allows some lua requires to be loaded and later garbage collected unfortunately the module needs to be formatted in such a way to pass back a call table in order to keep the functions within from being garbage collected too early BE AWARE this bypasses the module loader which would allow code reuse so if you aren't careful this memory saving tool could spell disaster for free RAM if you load the same code multiple times Change-Id: I0b6f81e481b8c779edbd620c8403794f8353926f
30 lines
1,022 B
Lua
30 lines
1,022 B
Lua
--[[
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temp loader allows some lua requires to be loaded and later garbage collected
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unfortunately the module needs to be formatted in such a way to pass back a
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call table in order to keep the functions within from being garbage collected
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too early
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BE AWARE this bypasses the module loader which would allow code reuse
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so if you aren't careful this memory saving tool could spell disaster
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for free RAM if you load the same code multiple times
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--]]
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local function tempload(modulename)
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--http://lua-users.org/wiki/LuaModulesLoader
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local errmsg = ""
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-- Find source
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local modulepath = string.gsub(modulename, "%.", "/")
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for path in string.gmatch(package.path, "([^;]+)") do
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local filename = string.gsub(path, "%?", modulepath)
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local file = io.open(filename, "r")
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if file then
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-- Compile and return the module
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return assert(loadstring(assert(file:read("*a")), filename))()
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end
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errmsg = errmsg.."\n\tno file '"..filename.."' (temp loader)"
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end
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return errmsg
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end
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return tempload
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