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if not modules then modules = { } end modules ['luat-cnf'] = {
version = 1.001,
comment = "companion to luat-lib.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
local type, next, tostring, tonumber = type, next, tostring, tonumber
local format, concat, find, lower, gsub = string.format, table.concat, string.find, string.lower, string.gsub
local report = logs.reporter("system")
local allocate = utilities.storage.allocate
texconfig.kpse_init = false
texconfig.shell_escape = 't'
luatex = luatex or { }
local luatex = luatex
texconfig.error_line = 79 -- frozen / large values can crash
texconfig.expand_depth = 10000
texconfig.half_error_line = 50 -- frozen
texconfig.hash_extra = 100000
texconfig.max_in_open = 1000 -- frozen
texconfig.max_print_line = 100000 -- frozen
texconfig.max_strings = 500000
texconfig.nest_size = 1000
texconfig.param_size = 25000
texconfig.save_size = 100000
texconfig.stack_size = 10000
local stub = [[
-- checking
storage = storage or { }
luatex = luatex or { }
-- we provide our own file handling
texconfig.kpse_init = false
texconfig.shell_escape = 't'
---------.start_time = tonumber(os.getenv("SOURCE_DATE_EPOCH")) -- not used in context
-- as soon as possible
luatex.starttime = os.gettimeofday()
-- this will happen after the format is loaded
function texconfig.init()
-- development
local builtin, globals = { }, { }
libraries = { -- we set it here as we want libraries also 'indexed'
basiclua = {
"string", "table", "coroutine", "debug", "file", "io", "lpeg", "math", "os", "package", "bit32",
},
basictex = { -- noad
"callback", "font", "img", "lang", "lua", "node", "pdf", "status", "tex", "texconfig", "texio", "token",
},
extralua = {
"gzip", "zip", "zlib", "lfs", "ltn12", "mime", "socket", "md5", "fio", "unicode", "utf",
},
extratex = {
"epdf", "kpse", "mplib", -- "fontloader",
},
obsolete = {
"fontloader", -- can be filled by luat-log
"kpse",
},
functions = {
"assert", "pcall", "xpcall", "error", "collectgarbage",
"dofile", "load","loadfile", "require", "module",
"getmetatable", "setmetatable",
"ipairs", "pairs", "rawequal", "rawget", "rawset", "next",
"tonumber", "tostring",
"type", "unpack", "select", "print",
},
builtin = builtin, -- to be filled
globals = globals, -- to be filled
}
for k, v in next, _G do
globals[k] = tostring(v)
end
local function collect(t,fnc)
local lib = { }
for k, v in next, t do
if fnc then
lib[v] = _G[v]
else
local keys = { }
local gv = _G[v]
local tv = type(gv)
if tv == "table" then
for k, v in next, gv do
keys[k] = tostring(v) -- true -- by tostring we cannot call overloades functions (security)
end
end
lib[v] = keys
builtin[v] = keys
end
end
return lib
end
libraries.basiclua = collect(libraries.basiclua)
libraries.basictex = collect(libraries.basictex)
libraries.extralua = collect(libraries.extralua)
libraries.extratex = collect(libraries.extratex)
libraries.functions = collect(libraries.functions,true)
libraries.obsolete = collect(libraries.obsolete)
-- shortcut and helper
local setbytecode = lua.setbytecode
local getbytecode = lua.getbytecode
local function init(start)
local i = start
local t = os.clock()
while true do
local b = getbytecode(i)
if b then
b() ;
setbytecode(i,nil) ;
i = i + 1
else
break
end
end
return i - start, os.clock() - t
end
-- the stored tables and modules
storage.noftables , storage.toftables = init(0)
storage.nofmodules, storage.tofmodules = init(%s)
if modules then
local loaded = package.loaded
for module, _ in next, modules do
loaded[module] = true
end
end
texconfig.init = function() end
end
-- we provide a qualified path
callback.register('find_format_file',function(name)
texconfig.formatname = name
return name
end)
-- done, from now on input and callbacks are internal
]]
local variablenames = {
error_line = false,
half_error_line = false,
max_print_line = false,
max_in_open = false,
expand_depth = true,
hash_extra = true,
nest_size = true,
max_strings = true,
param_size = true,
save_size = true,
stack_size = true,
}
local function makestub()
name = name or (environment.jobname .. ".lui")
report("creating stub file %a using directives:",name)
report()
firsttable = firsttable or lua.firstbytecode
local t = {
"-- this file is generated, don't change it\n",
"-- configuration (can be overloaded later)\n"
}
for v, permitted in table.sortedhash(variablenames) do
local d = "luatex." .. gsub(lower(v),"[^%a]","")
local dv = directives.value(d)
local tv = texconfig[v]
if dv then
if not tv then
report(" %s = %s (%s)",d,dv,"configured")
tv = dv
elseif not permitted then
report(" %s = %s (%s)",d,tv,"frozen")
elseif tonumber(dv) >= tonumber(tv) then
report(" %s = %s (%s)",d,dv,"overloaded")
tv = dv
else
report(" %s = %s (%s)",d,tv,"preset kept")
end
elseif tv then
report(" %s = %s (%s)",d,tv,permitted and "preset" or "frozen")
else
report(" %s = <unset>",d)
end
if tv then
t[#t+1] = format("texconfig.%s=%s",v,tv)
end
end
io.savedata(name,format("%s\n\n%s",concat(t,"\n"),format(stub,firsttable)))
logs.newline()
end
lua.registerfinalizer(makestub,"create stub file")
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