added type annotations and descriptions for functions where appropriate

This commit is contained in:
Izaya 2020-05-12 17:55:05 +10:00
parent 7ddece288b
commit b89ff14d5c
12 changed files with 42 additions and 39 deletions

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@ -19,7 +19,7 @@ local function wrapUnits(n)
return tostring(math.floor(n))..(scale[count] or "") return tostring(math.floor(n))..(scale[count] or "")
end end
function shutil.import(lib) function shutil.import(lib) -- string -- boolean -- Imports the functions from library *lib* into the shell environment.
local cE = os.getenv("INCLUDE") or shell.include local cE = os.getenv("INCLUDE") or shell.include
local nE = {} local nE = {}
for k,v in pairs(cE) do for k,v in pairs(cE) do
@ -31,7 +31,7 @@ function shutil.import(lib)
return true return true
end end
function shutil.unimport(lib) function shutil.unimport(lib) -- string -- boolean -- Removes the functions from *lib* from the shell environment.
local cE = os.getenv("INCLUDE") or shell.include local cE = os.getenv("INCLUDE") or shell.include
local nE = {} local nE = {}
for k,v in pairs(cE) do for k,v in pairs(cE) do
@ -43,7 +43,7 @@ function shutil.unimport(lib)
return true return true
end end
function shutil.ls(...) function shutil.ls(...) -- string -- -- Prints contents of directories specified as *...*.
local tA = {...} local tA = {...}
if not tA[1] then tA[1] = "." end if not tA[1] then tA[1] = "." end
for _,d in ipairs(tA) do for _,d in ipairs(tA) do
@ -56,7 +56,7 @@ function shutil.ls(...)
end end
end end
function shutil.cat(...) function shutil.cat(...) -- string -- -- Outputs the contents of files specified in *...* to the standard output.
for _,fn in ipairs({...}) do for _,fn in ipairs({...}) do
local f = io.open(fn,"rb") local f = io.open(fn,"rb")
io.write(f:read("*a")) io.write(f:read("*a"))
@ -64,7 +64,7 @@ function shutil.cat(...)
end end
end end
function shutil.ps() function shutil.ps() -- Prints the processes running on the system.
print("PID# Parent | Name") print("PID# Parent | Name")
for k,v in pairs(os.tasks()) do for k,v in pairs(os.tasks()) do
local t = os.taskInfo(v) local t = os.taskInfo(v)
@ -72,7 +72,7 @@ function shutil.ps()
end end
end end
function shutil.df() function shutil.df() -- Prints free disk space.
local mt = fs.mounts() local mt = fs.mounts()
local ml = 0 local ml = 0
for k,v in pairs(mt) do for k,v in pairs(mt) do
@ -88,7 +88,7 @@ function shutil.df()
end end
end end
function shutil.mount(addr,path) function shutil.mount(addr,path) -- string string -- boolean string -- Mounts filesystem component with address *addr* to *path* in the filesystem.
if not addr then if not addr then
local mt = fs.mounts() local mt = fs.mounts()
for k,v in pairs(mt) do for k,v in pairs(mt) do
@ -114,7 +114,7 @@ function shutil.mount(addr,path)
end end
end end
function shutil.free() function shutil.free() -- Displays used and free memory.
print("Total Used Free") print("Total Used Free")
print(string.format("%5s %5s %5s",wrapUnits(computer.totalMemory()),wrapUnits(computer.totalMemory()-computer.freeMemory()),wrapUnits(computer.freeMemory()))) print(string.format("%5s %5s %5s",wrapUnits(computer.totalMemory()),wrapUnits(computer.totalMemory()-computer.freeMemory()),wrapUnits(computer.freeMemory())))
end end

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@ -4,7 +4,7 @@ local function normalise(path)
return table.concat(fs.segments(path),"/") return table.concat(fs.segments(path),"/")
end end
function unionfs.create(...) function unionfs.create(...) -- string -- table -- Returns a unionfs object of the directories specified in *...*.
local paths,fids,fc = {...}, {}, 0 local paths,fids,fc = {...}, {}, 0
for k,v in pairs(paths) do for k,v in pairs(paths) do
paths[k] = "/"..normalise(v) paths[k] = "/"..normalise(v)

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@ -1,5 +1,5 @@
local vtansi = {} local vtansi = {}
function vtansi.vtemu(gpu) -- takes GPU component proxy *gpu* and returns a function to write to it in a manner like an ANSI terminal function vtansi.vtemu(gpu) -- table -- function -- takes GPU component proxy *gpu* and returns a function to write to it in a manner like an ANSI terminal
local colours = {0x0,0xFF0000,0x00FF00,0xFFFF00,0x0000FF,0xFF00FF,0x00B6FF,0xFFFFFF} local colours = {0x0,0xFF0000,0x00FF00,0xFFFF00,0x0000FF,0xFF00FF,0x00B6FF,0xFFFFFF}
local mx, my = gpu.maxResolution() local mx, my = gpu.maxResolution()
local cx, cy = 1, 1 local cx, cy = 1, 1
@ -142,7 +142,7 @@ function vtansi.vtemu(gpu) -- takes GPU component proxy *gpu* and returns a func
return termwrite return termwrite
end end
function vtansi.vtsession(gpua,scra) -- creates a process to handle the GPU and screen address combination *gpua*/*scra*. Returns read, write and "close" functions. function vtansi.vtsession(gpua,scra) -- string string -- table -- creates a process to handle the GPU and screen address combination *gpua*/*scra*. Returns read, write and "close" functions.
local gpu = component.proxy(gpua) local gpu = component.proxy(gpua)
gpu.bind(scra) gpu.bind(scra)
local write = vtansi.vtemu(gpu) local write = vtansi.vtemu(gpu)

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@ -181,6 +181,7 @@ env:process(arg[1])
local tmpfile = os.tmpname() local tmpfile = os.tmpname()
if tmpfile:sub(#tmpfile) == "." then tmpfile = tmpfile:sub(1, #tmpfile - 1) end if tmpfile:sub(#tmpfile) == "." then tmpfile = tmpfile:sub(1, #tmpfile - 1) end
local tmpf = io.open(tmpfile, "wb") local tmpf = io.open(tmpfile, "wb")
env.code = env.code:gsub("%-%-.-\n","\n"):gsub("\n\n","\n")
tmpf:write(env.code) tmpf:write(env.code)
tmpf:close() tmpf:close()
--if (os.execute("lua minify.lua "..tmpfile.." > "..arg[2])) then --if (os.execute("lua minify.lua "..tmpfile.." > "..arg[2])) then

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@ -2,7 +2,7 @@
buffer = {} buffer = {}
function buffer.new(mode, stream) -- create a new buffer in mode *mode* backed by stream object *stream* function buffer.new(mode, stream) -- string table -- table -- create a new buffer in mode *mode* backed by stream object *stream*
local result = { local result = {
mode = {}, mode = {},
stream = stream, stream = stream,

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@ -64,7 +64,7 @@ end
devfs.component.address = "devfs" devfs.component.address = "devfs"
devfs.component.type = "devfs" devfs.component.type = "devfs"
function devfs.register(fname,fopen) -- Register a new devfs node with the name *fname* that will run the function *fopen* when opened. This function should return a function for read, a function for write, function for close, and optionally, a function for seek, in that order. function devfs.register(fname,fopen) -- string function -- -- Register a new devfs node with the name *fname* that will run the function *fopen* when opened. This function should return a function for read, a function for write, function for close, and optionally, a function for seek, in that order.
devfs.files[fname] = fopen devfs.files[fname] = fopen
end end

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@ -3,14 +3,14 @@ fs = {}
local fsmounts = {} local fsmounts = {}
-- basics -- basics
function fs.segments(path) -- splits *path* on each / function fs.segments(path) -- string -- table -- Splits *path* on each /
local segments = {} local segments = {}
for segment in path:gmatch("[^/]+") do for segment in path:gmatch("[^/]+") do
segments[#segments+1] = segment segments[#segments+1] = segment
end end
return segments return segments
end end
function fs.resolve(path) -- resolves *path* to a specific filesystem mount and path function fs.resolve(path) -- string -- string string -- Resolves *path* to a specific filesystem mount and path
if not path or path == "." then path = os.getenv("PWD") end if not path or path == "." then path = os.getenv("PWD") end
if path:sub(1,1) ~= "/" then path=(os.getenv("PWD") or "").."/"..path end if path:sub(1,1) ~= "/" then path=(os.getenv("PWD") or "").."/"..path end
local segments, rpath, rfs= fs.segments(path) local segments, rpath, rfs= fs.segments(path)
@ -44,7 +44,7 @@ local function fclose(self)
return fsmounts[self.fs].close(self.fid) return fsmounts[self.fs].close(self.fid)
end end
function fs.open(path,mode) -- opens file *path* with mode *mode* function fs.open(path,mode) -- string string -- table -- Opens file *path* with mode *mode*, returning a file object.
mode = mode or "rb" mode = mode or "rb"
local fsi,path = fs.resolve(path) local fsi,path = fs.resolve(path)
if not fsmounts[fsi] then return false end if not fsmounts[fsi] then return false end
@ -62,7 +62,7 @@ function fs.open(path,mode) -- opens file *path* with mode *mode*
return false return false
end end
function fs.copy(from,to) -- copies a file from *from* to *to* function fs.copy(from,to) -- string string -- boolean -- copies a file from *from* to *to*
local of = fs.open(from,"rb") local of = fs.open(from,"rb")
local df = fs.open(to,"wb") local df = fs.open(to,"wb")
if not of or not df then if not of or not df then
@ -71,33 +71,34 @@ function fs.copy(from,to) -- copies a file from *from* to *to*
df:write(of:read("*a")) df:write(of:read("*a"))
df:close() df:close()
of:close() of:close()
return true
end end
function fs.rename(from,to) -- moves file *from* to *to* function fs.rename(from,to) -- string string -- boolean -- Moves file *from* to *to*
local ofsi, opath = fs.resolve(from) local ofsi, opath = fs.resolve(from)
local dfsi, dpath = fs.resolve(to) local dfsi, dpath = fs.resolve(to)
if ofsi == dfsi then if ofsi == dfsi then
fsmounts[ofsi].rename(opath,dpath) fsmounts[ofsi].rename(opath,dpath)
return true return true
end end
fs.copy(from,to) if not fs.copy(from,to) then return false end
fs.remove(from) if not fs.remove(from) then return false end
return true return true
end end
function fs.mount(path,proxy) -- mounts the filesystem *proxy* to the mount point *path* if it is a directory. BYO proxy. function fs.mount(path,proxy) -- string table -- boolean -- Mounts the filesystem *proxy* to the mount point *path* if it is a directory. BYO proxy.
if fs.isDirectory(path) and not fsmounts[table.concat(fs.segments(path),"/")] then if fs.isDirectory(path) and not fsmounts[table.concat(fs.segments(path),"/")] then
fsmounts[table.concat(fs.segments(path),"/")] = proxy fsmounts[table.concat(fs.segments(path),"/")] = proxy
return true return true
end end
return false, "path is not a directory" return false, "path is not a directory"
end end
function fs.umount(path) function fs.umount(path) -- string -- -- Unmounts filesystem from *path*.
local fsi,_ = fs.resolve(path) local fsi,_ = fs.resolve(path)
fsmounts[fsi] = nil fsmounts[fsi] = nil
end end
function fs.mounts() -- returns a table containing the mount points of all mounted filesystems function fs.mounts() -- -- table -- Returns a table containing the mount points of all mounted filesystems
local rt = {} local rt = {}
for k,v in pairs(fsmounts) do for k,v in pairs(fsmounts) do
rt[#rt+1] = k,v.address or "unknown" rt[#rt+1] = k,v.address or "unknown"
@ -105,11 +106,11 @@ function fs.mounts() -- returns a table containing the mount points of all mount
return rt return rt
end end
function fs.address(path) -- returns the address of the filesystem at a given path, if applicable; do not expect a sensical response function fs.address(path) -- string -- string -- Returns the address of the filesystem at a given path, if applicable; do not expect a sensical response
local fsi,_ = fs.resolve(path) local fsi,_ = fs.resolve(path)
return fsmounts[fsi].address return fsmounts[fsi].address
end end
function fs.type(path) -- returns the component type of the filesystem at a given path, if applicable function fs.type(path) -- string -- string -- Returns the component type of the filesystem at a given path, if applicable
local fsi,_ = fs.resolve(path) local fsi,_ = fs.resolve(path)
return fsmounts[fsi].type or "filesystem" return fsmounts[fsi].type or "filesystem"
end end

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@ -1,12 +1,12 @@
io = {} io = {}
function io.open(path,mode) -- Open file *path* in *mode*. Returns a buffer object. function io.open(path,mode) -- string string -- table -- Open file *path* in *mode*. Returns a buffer object.
local f,e = fs.open(path, mode) local f,e = fs.open(path, mode)
if not f then return false, e end if not f then return false, e end
return buffer.new(mode,f) return buffer.new(mode,f)
end end
function io.input(fd) -- Sets the default input stream to *fd* if provided, either as a buffer as a path. Returns the default input stream. function io.input(fd) -- table -- table -- Sets the default input stream to *fd* if provided, either as a buffer as a path. Returns the default input stream.
if type(fd) == "string" then if type(fd) == "string" then
fd=io.open(fd,"rb") fd=io.open(fd,"rb")
end end
@ -15,7 +15,7 @@ function io.input(fd) -- Sets the default input stream to *fd* if provided, eith
end end
return os.getenv("STDIN") return os.getenv("STDIN")
end end
function io.output(fd) -- Sets the default output stream to *fd* if provided, either as a buffer as a path. Returns the default output stream. function io.output(fd) -- table -- table -- Sets the default output stream to *fd* if provided, either as a buffer as a path. Returns the default output stream.
if type(fd) == "string" then if type(fd) == "string" then
fd=io.open(fd,"wb") fd=io.open(fd,"wb")
end end

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@ -1,19 +1,19 @@
function loadfile(p) -- reads file *p* and returns a function if possible function loadfile(p) -- string -- function -- reads file *p* and returns a function if possible
local f = io.open(p,"rb") local f = io.open(p,"rb")
local c = f:read("*a") local c = f:read("*a")
f:close() f:close()
return load(c,p,"t") return load(c,p,"t")
end end
function runfile(p,...) -- runs file *p* with arbitrary arguments in the current thread function runfile(p,...) -- string -- -- runs file *p* with arbitrary arguments in the current thread
return loadfile(p)(...) return loadfile(p)(...)
end end
function os.spawnfile(p,n,...) -- spawns a new process from file *p* with name *n*, with arguments following *n*. function os.spawnfile(p,n,...) -- string string -- number -- spawns a new process from file *p* with name *n*, with arguments following *n*.
local tA = {...} local tA = {...}
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) 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)
end end
_G.package = {} _G.package = {}
package.loaded = {computer=computer,component=component,fs=fs,buffer=buffer} package.loaded = {computer=computer,component=component,fs=fs,buffer=buffer}
function require(f,force) -- 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 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
if not package.loaded[f] or force then if not package.loaded[f] or force then
local lib = os.getenv("LIB") or "/boot/lib" local lib = os.getenv("LIB") or "/boot/lib"
for d in lib:gmatch("[^\n]+") do for d in lib:gmatch("[^\n]+") do
@ -29,6 +29,6 @@ function require(f,force) -- searches for a library with name *f* and returns wh
end end
error("library not found: "..f) error("library not found: "..f)
end end
function reload(f) function reload(f) -- string -- table -- Reloads library *f* from disk into memory.
return require(f,true) return require(f,true)
end end

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@ -1,4 +1,4 @@
function os.chdir(p) -- changes the current working directory of the calling process to the directory specified in *p*, returning true or false, error function os.chdir(p) -- string -- boolean string -- changes the current working directory of the calling process to the directory specified in *p*, returning true or false, error
if not (p:sub(1,1) == "/") then if not (p:sub(1,1) == "/") then
local np = {} local np = {}
for k,v in pairs(fs.segments(os.getenv("PWD").."/"..p)) do for k,v in pairs(fs.segments(os.getenv("PWD").."/"..p)) do

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@ -1,6 +1,6 @@
do do
local tTasks,nPid,nTimeout,cPid = {},1,0.25,0 -- table of tasks, next process ID, event timeout, current PID local tTasks,nPid,nTimeout,cPid = {},1,0.25,0 -- table of tasks, next process ID, event timeout, current PID
function os.spawn(f,n) -- creates a process from function *f* with name *n* function os.spawn(f,n) -- function string -- number -- creates a process from function *f* with name *n*
tTasks[nPid] = { tTasks[nPid] = {
c=coroutine.create(f), -- actual coroutine c=coroutine.create(f), -- actual coroutine
n=n, -- process name n=n, -- process name
@ -16,20 +16,20 @@ function os.spawn(f,n) -- creates a process from function *f* with name *n*
nPid = nPid + 1 nPid = nPid + 1
return nPid - 1 return nPid - 1
end end
function os.kill(pid) -- removes process *pid* from the task list function os.kill(pid) -- number -- -- removes process *pid* from the task list
tTasks[pid] = nil tTasks[pid] = nil
end end
function os.pid() -- returns the current process' PID function os.pid() -- -- number -- returns the current process' PID
return cPid return cPid
end end
function os.tasks() -- returns a table of process IDs function os.tasks() -- -- table -- returns a table of process IDs
local rt = {} local rt = {}
for k,v in pairs(tTasks) do for k,v in pairs(tTasks) do
rt[#rt+1] = k rt[#rt+1] = k
end end
return rt return rt
end end
function os.taskInfo(pid) -- returns info on process *pid* as a table with name and parent values function os.taskInfo(pid) -- number -- table -- returns info on process *pid* as a table with name and parent values
pid = pid or os.pid() pid = pid or os.pid()
if not tTasks[pid] then return false end if not tTasks[pid] then return false end
return {name=tTasks[pid].n,parent=tTasks[pid].P} return {name=tTasks[pid].n,parent=tTasks[pid].P}

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@ -9,6 +9,7 @@ syslog.notice = 5
syslog.info = 6 syslog.info = 6
syslog.debug = 7 syslog.debug = 7
-- function syslog(msg, level, service) -- string number string -- -- Output *msg* to the system log, with severity *level*, from *service*.
local rdprint=dprint or function() end local rdprint=dprint or function() end
setmetatable(syslog,{__call = function(_,msg, level, service) setmetatable(syslog,{__call = function(_,msg, level, service)
level, service = level or syslog.info, service or (os.taskInfo(os.pid()) or {}).name or "unknown" level, service = level or syslog.info, service or (os.taskInfo(os.pid()) or {}).name or "unknown"