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I'm using custom luapreproc so ???

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XeonSquared преди 1 месец
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d455ac6f63
променени са 1 файла, в които са добавени 193 реда и са изтрити 0 реда
  1. +193
    -0
      luapreproc.lua

+ 193
- 0
luapreproc.lua Целия файл

@@ -0,0 +1,193 @@
#!/usr/bin/env lua5.3
local _env = {}
local directives = {}

function directives.include(env, args)
local path, err = args.get("string", 1)
if (not path) then
return false, err
end
local nenv = {code = ""}
setmetatable(nenv, {__index=_env})
local data, err = nenv:process(path)
if (not data) then
return false, err
end
env.code = env.code .. "\n" .. data
return true
end

local mods = {}

function directives.loadmod(env, args)
local path, err = args.get("string", 1)
if (not path) then
return false, err
end
local file = io.open(path, "rb")
if (not file) then
return false, "`"..path.."' not found."
end
local env = {}
local copies = {{_G, env}}
while #copies ~= 0 do
local c = {}
for i=1, #copies do
for k, v in pairs(copies[i][1]) do
if (type(v) == "table") then
copies[i][2][k] = {}
c[#c+1] = {v, copies[i][2][k]}
else
copies[i][2][k] = v
end
end
end
for i=1, #copies do
copies[i] = nil
end
for i=1, #c do
copies[i] = c[i]
end
end
local dir2a = {}
env.add_directive = function(name, func) do
dir2a[#dir2a+1] = {name, func}
end
local func, err = load(file:read("*a"), "="..path, "t", env)
if (not func) then
return false, err
end
local name = func()
if not name then
return false, "Module did not return a name."
end
for i=1, #dir2a do
directives[dir2a[i][1]] = dir2a[i][2]
end
return true
end
end

function _env:process(path)
print("PROC", path)
local file = io.open(path, "rb")
local f, err = load(file:read("*a"), "="..path)
if not f then
io.stderr:write("ERROR: "..err.."\n")
os.exit(1)
end
file:seek("set", 0)
local ln = 0
for line in file:lines() do
ln = ln + 1
line = line:gsub("^%s+", "")
if (line:sub(1, 3) == "--#") then
--Process directive
local dir = line:sub(4)
local tmp = ""
local open_quote = false
local escape = false
local cmd = nil
local args = {}
local pos = 0
dir = dir:gsub("^%s+", ""):gsub("%s+$", ""):gsub("%s+", " ")
for i=1, #dir do
local c = dir:sub(i, i)
if (c == " " and not open_quote) then
if (tmp ~= "") then
if not cmd then
cmd = tmp
else
args[#args+1] = tmp
end
end
tmp = ""
elseif (c == "\"" and not escape and not open_quote) then
open_quote = true
elseif (c == "\"" and not escape) then
open_quote = false
args[#args+1] = {"string", tmp}
tmp = ""
elseif (c == "\\" and not escape) then
escape = true
else
if (escape) then escape = false end
tmp = tmp .. c
end
end
--Process arguments
local rargs = {}
for i=1, #args do
if (type(args[i]) == "table") then
if (args[i][1] == "string") then
local str = args[i][2]
local sp, ep = str:find("%$%([%w_]+%)")
while sp do
local var = str:sub(sp, ep)
local st1, st2 = str:sub(1, sp-3), str:sub(ep+2)
str = st1 .. var
local nsp = #str
str = str .. st2
sp, ep = str:find("%$%([%w_]+%)", nsp)
end
args[i][2] = str
end
rargs[#rargs+1] = args[i]
elseif (tonumber(args[i])) then
rargs[#rargs+1] = {"number", args[i]}
elseif (args == "true" or args == "false") then
rargs[#rargs+1] = {"boolean", args[i] == "true"}
elseif (os.getenv(args[i])) then
rargs[#rargs+1] = {"var", args[i]}
else
io.stderr:write("ERROR: "..path..":"..ln..": Undefined variable.\n")
os.exit(1)
end
end
if (not directives[cmd]) then
io.stderr:write("ERROR: "..path..":"..ln..": Unknown directive.\n")
os.exit(1)
end
local rtn, err = directives[cmd](self, {get=function(atype, i)
if (type(atype) == "number") then
return rargs[i][2], rargs[i][1]
end
if (rargs[i] == nil) then
return false, "argument #"..i..": expected `"..atype.."', got nil"
end
if (rargs[i][1] ~= atype) then
return false, "argument #"..i..": expected `"..atype.."', got `"..rargs[i][1].."'"
end
return rargs[i][2]
end})
if (type(rtn) ~= "boolean") then
io.stderr:write("ERROR: "..path..":"..ln..": Expected return type `boolean', got `"..type(rtn).."'.\n")
os.exit(1)
end
if (not rtn) then
err = err or "Unknown error"
io.stderr:write("ERROR: "..path..":"..ln..": "..err..".\n")
end
else
self.code = self.code .. line .. "\n"
end
end
return self.code
end

local env = {code = ""}
setmetatable(env, {__index=_env})
env:process(arg[1])
local tmpfile = os.tmpname()
local tmpf = io.open(tmpfile, "wb")
tmpf:write(env.code)
tmpf:close()
--if (os.execute("lua minify.lua "..tmpfile.." > "..arg[2])) then
if (os.execute("cat "..tmpfile.." > "..arg[2])) then
os.execute("stat -c \"Output: %s bytes\" "..arg[2])
else
io.stderr:write("Error: ")
os.execute("cat "..arg[2].." 1>&2")
os.remove(arg[2])
end
os.remove(tmpfile)

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