luametalatex/luametalatex-init.lua

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do
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local ourpath
ourpath, texconfig.formatname = lua.startupfile:match('(.*[/\\])([^/\\]*)%-init%.lua$')
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local function try_lib(name)
local path = string.format('%s%s.%s', ourpath, name,
os.type == 'windows' and 'dll' or 'so')
return package.loadlib(path, '*') and path
end
local library = try_lib'luametalatex' or try_lib'kpse'
if not library then
error[[C support library not found. Please fix your installation]]
end
kpse = assert(package.loadlib(library, 'luaopen_luametalatex_kpse') or package.loadlib(library, 'luaopen_kpse'))()
package.loaded.kpse = kpse
package.preload.luaharfbuzz = package.loadlib(library, 'luaopen_luametalatex_harfbuzz') or package.loadlib(library, 'luaopen_luametalatex_harfbuzz') or nil
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end
do
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local arg_pattern = '-' * lpeg.P'-'^-1 * lpeg.C((1-lpeg.P'=')^1) * ('=' * lpeg.C(lpeg.P(1)^0) + lpeg.Cc(true))
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for _, a in ipairs(arg) do
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local name, value = arg_pattern:match(a)
if name then
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arg[name] = math.tointeger(value) or value
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end
end
end
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kpse.set_program_name(arg.arg0 or arg[arg[0]], arg.progname)
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package.searchers[2] = function(modname)
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local filename = kpse.find_file(modname, "lua", true)
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if not filename then
return string.format("\n\tno file located through kpse for %s", modname)
end
local mod, msg = loadfile(filename)
if msg then
error(string.format("error loading module '%s' from file '%s':\n\t%s", modname, filename, msg))
end
return mod, filename
end
kpse.set_maketex("fmt", true, "compile")
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kpse.set_maketex("pk", true, "compile")
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require'luametalatex-init-config'
local callback_register = callback.register
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local build_bytecode
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status.ini_version = status.run_state == 0
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if status.ini_version then
local build_bytecode_mod = require'luametalatex-build-bytecode'
local preloaded_modules = {}
local old_searcher = package.searchers[2]
package.searchers[2] = function(name)
local mod, file = old_searcher(name)
if not file then return mod end -- Only works because we always return file when successful
preloaded_modules[#preloaded_modules+1] = {name, file}
return mod, file
end
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function build_bytecode(str)
return load(build_bytecode_mod(preloaded_modules) .. "\nrequire'luametalatex-lateinit'(function()" .. str .. '\nend)', 'preloaded', 't')
end
end
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callback_register('find_format_file', function(name) texconfig.formatname = kpse.find_file(name, 'fmt', true) return texconfig.formatname end)
-- texconfig.firstline = [[\show ]]
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function texconfig.init()
do
local interaction = ({ [true] = 3, [false] = false,
batchmode=0,
nonstopmode=1,
scrollmode=2,
errorstopmode=3,
})[arg.interaction or false]
if interaction then
tex.setinteraction(interaction)
elseif interaction == nil then
texio.write('term', string.format('Unknown interaction mode %q ignored.\n', arg.interaction))
end
end
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if build_bytecode then -- Effectivly if status.ini_version
require'luametalatex-lateinit'(build_bytecode)
else
local register = tex.count[262]+1
lua.bytecode[register]()
lua.bytecode[register] = nil
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end
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end