forked from izaya/OC-PsychOS2
35 lines
1.4 KiB
Lua
35 lines
1.4 KiB
Lua
function loadfile(p) -- string -- function -- reads file *p* and returns a function if possible
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local f = io.open(p,"rb")
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local c = f:read("*a")
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f:close()
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return load(c,p,"t")
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end
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function runfile(p,...) -- string -- -- runs file *p* with arbitrary arguments in the current thread
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return loadfile(p)(...)
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end
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function os.spawnfile(p,n,...) -- string string -- number -- spawns a new process from file *p* with name *n*, with arguments following *n*.
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local tA = {...}
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return os.spawn(function() local res={pcall(loadfile(p), table.unpack(tA))} computer.pushSignal("process_finished", os.pid(), table.unpack(res)) dprint(table.concat(res)) end,n or p)
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end
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_G.package = {}
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package.loaded = {computer=computer,component=component,fs=fs,buffer=buffer}
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function require(f,force) -- string boolean -- table -- searches for a library with name *f* and returns what the library returns, if possible. if *force* is set, loads the library even if it is cached
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if not package.loaded[f] or force then
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local lib = os.getenv("LIB") or "/boot/lib\n/pkg/lib"
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for d in lib:gmatch("[^\n]+") do
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if fs.exists(d.."/"..f) then
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package.loaded[f] = runfile(d.."/"..f)
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elseif fs.exists(d.."/"..f..".lua") then
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package.loaded[f] = runfile(d.."/"..f..".lua")
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end
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end
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end
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if package.loaded[f] then
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return package.loaded[f]
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end
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error("library not found: "..f)
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end
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function reload(f) -- string -- table -- Reloads library *f* from disk into memory.
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return require(f,true)
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end
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