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--[[
Copyright 2016, 2018 ARATA Mizuki
This file is part of ClutTeX.
ClutTeX is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
ClutTeX is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with ClutTeX. If not, see <http://www.gnu.org/licenses/>.
]]
local srcdir = "src/"
local mode
local default_os
if arg[1] == "--unix-shellscript" then
default_os, mode = "unix", "shellscript"
table.remove(arg, 1)
elseif arg[1] == "--windows-batchfile" then
default_os, mode = "windows", "batchfile"
table.remove(arg, 1)
end
local outfile = arg[1]
local preserve_location_info = false
local modules = {
{
name = "texrunner.pathutil",
path = "texrunner/pathutil.lua",
path_unix = "texrunner/pathutil_unix.lua",
path_windows = "texrunner/pathutil_windows.lua",
},
{
name = "texrunner.shellutil",
path = "texrunner/shellutil.lua",
path_unix = "texrunner/shellutil_unix.lua",
path_windows = "texrunner/shellutil_windows.lua",
},
{
name = "texrunner.fsutil",
path = "texrunner/fsutil.lua",
},
{
name = "texrunner.option",
path = "texrunner/option.lua",
},
{
name = "texrunner.tex_engine",
path = "texrunner/tex_engine.lua",
},
{
name = "texrunner.reruncheck",
path = "texrunner/reruncheck.lua",
},
{
name = "texrunner.auxfile",
path = "texrunner/auxfile.lua",
},
{
name = "texrunner.luatexinit",
path = "texrunner/luatexinit.lua",
},
{
name = "texrunner.recovery",
path = "texrunner/recovery.lua",
},
{
name = "texrunner.handleoption",
path = "texrunner/handleoption.lua",
},
{
name = "texrunner.isatty",
path = "texrunner/isatty.lua",
},
{
name = "texrunner.message",
path = "texrunner/message.lua",
},
{
name = "texrunner.fswatcher_windows",
path = "texrunner/fswatcher_windows.lua",
},
}
local imported_globals = {"io", "os", "string", "table", "package", "require", "assert", "error", "ipairs", "type", "select", "arg"}
-- TODO: This code may interfere with the string literal embedded in luatexinit.lua
local function strip_global_imports(code)
local function repl(s1, s2)
if s1 == s2 then
for i, v in ipairs(imported_globals) do
if v == s1 then
return ""
end
end
end
return nil
end
return (code:gsub("local (%w+) = (%w+)\n", repl))
end
local function strip_test_code(code)
if preserve_location_info then
return (code:gsub("%-%- TEST CODE\n.-%-%- END TEST CODE\n", function(s)
return (s:gsub("[^\n]",""))
end))
else
return (code:gsub("%-%- TEST CODE\n(.-)%-%- END TEST CODE\n", ""))
end
end
local function load_module_code(path)
assert(loadfile(srcdir .. path)) -- Check syntax
return strip_test_code(assert(io.open(srcdir .. path, "r")):read("*a"))
end
assert(loadfile(srcdir .. "cluttex.lua")) -- Check syntax
local shebang = nil
local main = assert(io.open(srcdir .. "cluttex.lua", "r")):read("*a")
if main:sub(1,2) == "#!" then
-- shebang
shebang,main = main:match("^([^\n]+\n)(.*)$")
end
local lines = {}
if mode == "batchfile" then
lines[1] = [=[
::dummy:: --[[
@texlua "%~f0" %*
@goto :eof
]]
]=]
else
if shebang then
lines[1] = shebang
end
end
if not preserve_location_info then
table.insert(lines, string.format("local %s = %s\n", table.concat(imported_globals, ", "), table.concat(imported_globals, ", ")))
table.insert(lines, "local CLUTTEX_VERBOSITY, CLUTTEX_VERSION\n")
end
if default_os then
table.insert(lines, string.format("os.type = os.type or %q\n", default_os))
end
-- LuajitTeX doesn't seem to set package.loaded table...
table.insert(lines, "if lfs and not package.loaded['lfs'] then package.loaded['lfs'] = lfs end\n")
if preserve_location_info then
table.insert(lines, "local loadstring = loadstring or load\n")
for _,m in ipairs(modules) do
if m.path_windows or m.path_unix then
table.insert(lines, 'if os.type == "windows" then\n')
table.insert(lines, string.format("package.preload[%q] = assert(loadstring(%q, %q))\n", m.name, load_module_code(m.path_windows or m.path), "=" .. (m.path_windows or m.path)))
table.insert(lines, 'else\n')
table.insert(lines, string.format("package.preload[%q] = assert(loadstring(%q, %q))\n", m.name, load_module_code(m.path_unix or m.path), "=" .. (m.path_unix or m.path)))
table.insert(lines, 'end\n')
else
table.insert(lines, string.format("package.preload[%q] = assert(loadstring(%q, %q))\n", m.name, load_module_code(m.path), "=" .. m.path))
end
end
table.insert(lines, string.format("assert(loadstring(%q, %q))(...)\n", main, "=cluttex.lua"))
else
for _,m in ipairs(modules) do
if m.path_windows or m.path_unix then
table.insert(lines, 'if os.type == "windows" then\n')
table.insert(lines, string.format("package.preload[%q] = function(...)\n%send\n", m.name, load_module_code(m.path_windows or m.path)))
table.insert(lines, 'else\n')
table.insert(lines, string.format("package.preload[%q] = function(...)\n%send\n", m.name, load_module_code(m.path_unix or m.path)))
table.insert(lines, 'end\n')
else
table.insert(lines, string.format("package.preload[%q] = function(...)\n%send\n", m.name, load_module_code(m.path)))
end
end
table.insert(lines, strip_global_imports(main))
end
if outfile then
io.output(assert(io.open(outfile, "wb")))
end
io.write(table.concat(lines, ""))
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