Current File : //data/old/usr/share/texlive/texmf-dist/tex/luatex/luatexbase/attr.lua
--
-- This is file `attr.lua',
-- generated with the docstrip utility.
--
-- The original source files were:
--
-- luatexbase-attr.dtx (with options: `luamodule')
--
-- Written in 2009, 2010 by Manuel Pegourie-Gonnard and Elie Roux.
--
-- This work is under the CC0 license.
-- See source file 'luatexbase-attr.dtx' for details.
--
module('luatexbase', package.seeall)
attributes = {}
local last_alloc = 0
function new_attribute(name, silent)
if last_alloc >= 65535 then
if silent then
return -1
else
error("No room for a new \\attribute", 1)
end
end
last_alloc = last_alloc + 1
attributes[name] = last_alloc
unset_attribute(name)
if not silent then
texio.write_nl('log', string.format(
'luatexbase.attributes[%q] = %d', name, last_alloc))
end
return last_alloc
end
local unset_value = (luatexbase.luatexversion < 37) and -1 or -2147483647
function unset_attribute(name)
tex.setattribute(attributes[name], unset_value)
end
--
-- End of File `attr.lua'.
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