OC-MultICE/build.lua

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Lua
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-- Initialization
log = ""
oldprint=print
function print(...)
oldprint(...)
logline = ""
if #{...} > 0 then
if #{...} > 1 then
for k,v in ipairs({...}) do
logline = logline .. "\t" .. tostring(v)
end
else
tA = {...}
logline = tostring(tA[1])
end
end
log = (log .. logline .. "\n"):sub(1,-1)
end
print("Initializing and reading configuration")
ts={}
tA = {...}
ss=""
cfg={}
cfgfile = tA[1] or "build.cfg"
modfile = tA[2] or "modules.cfg"
f=io.open(cfgfile,"rb")
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repeat
line = f:read("*l")
if line ~= nil then
w={}
for wo in line:gmatch("%S+") do table.insert(w, wo) end
cfg[w[1]] = w[2]
end
until line == nil or line == ""
if cfg.opath == nil then cfg.opath = "kernel.lua" end
print()
-- Module list
print("Reading modules to load")
tm={}
f=io.open(modfile,"rb")
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function nl()
return f:read("*l")
end
for line in nl do
print(" - "..line)
table.insert(tm,line)
end
f:close()
print(tostring(#tm).." modules to load.\n")
-- Loading modules
print("Loading modules")
for k,v in ipairs(tm) do
print(" - "..v.." - modules/"..v)
f=io.open("modules/"..v,"rb")
if cfg.optomise == "yes" then
data = f:read("*a")
else
data = "--"..v.."\n"..f:read("*a")
end
table.insert(ts,data)
f:close()
end
print(tostring(#tm).." modules loaded.\n")
-- Generate source
print("Generating source")
for k,v in pairs(ts) do
ss=ss..v
io.write(".")
end
print()
-- Optomise for space
if cfg.optomise == "yes" then
print("Optomising source")
sl=tostring(ss:len())
no=0
replacements={
{" "," "},
{"\n ","\n"},
{"\n\n","\n"},
{" == ","=="},
{" ~= ","~="},
{" >= ",">="},
{" <= ","<="},
{" > ",">"},
{" < ","<"},
{" = ","="},
{", ",","},
{" %+ ","+"},
{" %- ","-"},
{" %/ ","/"},
{" %* ","*"},
{" \n","\n"},
{"%-%-.-\n",""},
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{"coroutine%.","C."},
{"table%.","T."},
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}
for k,v in ipairs(replacements) do
while ss:find(v[1]) ~= nil do
ss=ss:gsub(v[1],v[2])
io.write(".")
no=no+1
end
end
print("\nBefore: "..sl.."\nAfter: "..tostring(ss:len()).."\n"..tostring(no).." optomisations made.\n")
end
-- Output
print("Outputting to "..cfg.opath)
f=io.open(cfg.opath,"wb")
f:write(ss)
f:close()
print("Total size: "..tostring(ss:len()).."\n")
-- Check syntax
if cfg.test == "yes" then
print("Checking for errors...")
err={pcall(load,ss)}
if err[1] ~= true then
print(table.unpack(err))
else
print("No errors detected by load()")
end
end
-- Write log
if cfg.log == "yes" then
f=io.open("build.log","wb")
f:write(log)
f:close()
end