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if not modules then modules = { } end modules ['luat-exe'] = {
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"
}
if not sandbox then require("l-sandbox") require("util-sbx") end -- for testing
-- Ok, as usual, after finishing some code, I rewarded myself with searching youtube for
-- new music ... this time I ran into the swedisch group 'wintergatan' (search for: marble
-- machine) ... mechanical computers are so much more fun than the ones needed for running
-- the code below. Nice videos (and shows) too ...
local type = type
local executers = resolvers.executers or { }
resolvers.executers = executers
local disablerunners = sandbox.disablerunners
local disablelibraries = sandbox.disablelibraries
local registerbinary = sandbox.registerbinary
local registerlibrary = sandbox.registerlibrary
local registerroot = sandbox.registerroot
local lpegmatch = lpeg.match
local sc_splitter = lpeg.tsplitat(";")
local cm_splitter = lpeg.tsplitat(",")
local execution_mode directives.register("system.executionmode", function(v) execution_mode = v end)
local execution_list directives.register("system.executionlist", function(v) execution_list = v end)
local root_list directives.register("system.rootlist", function(v) root_list = v end)
local library_mode directives.register("system.librarymode", function(v) library_mode = v end)
local library_list directives.register("system.librarylist", function(v) library_list = v end)
sandbox.initializer {
category = "binaries",
action = function()
if execution_mode == "none" then
-- will be done later
elseif execution_mode == "list" then
if type(execution_list) == "string" then
execution_list = lpegmatch(cm_splitter,execution_list)
end
if type(execution_list) == "table" then
for i=1,#execution_list do
registerbinary(execution_list[i])
end
end
else
registerbinary(true) -- all
end
end
}
sandbox.finalizer {
category = "binaries",
action = function()
if execution_mode == "none" then
disablerunners()
end
end
}
sandbox.initializer {
category = "libraries",
action = function()
if library_mode == "none" then
-- will be done later
elseif library_mode == "list" then
if type(library_list) == "string" then
library_list = lpegmatch(cm_splitter,library_list)
end
if type(library_list) == "table" then
for i=1,#library_list do
registerlibrary(library_list[i])
end
end
else
registerlibrary(true) -- all
end
end
}
sandbox.finalizer {
category = "libraries",
action = function()
if library_mode == "none" then
disablelibraries()
end
end
}
-- A bit of file system protection.
sandbox.initializer{
category = "files",
action = function ()
if type(root_list) == "string" then
root_list = lpegmatch(sc_splitter,root_list)
end
if type(root_list) == "table" then
for i=1,#root_list do
local entry = root_list[i]
if entry ~= "" then
registerroot(entry)
end
end
end
end
}
-- Let's prevent abuse of these libraries (built-in support still works).
sandbox.finalizer {
category = "functions",
action = function()
mplib = nil
epdf = nil
zip = nil
fontloader = nil
end
}
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