end
end
function get_dir_count()
- for i=tex_nest.ptr, 1, -1 do
- local h = tex_nest[i].head.next
- if h then
- local t = get_dir_count_inner(h)
- if t~=0 then return t end
- end
- end
- return page_direction
+ for i=tex_nest.ptr, 1, -1 do
+ local h = tex_nest[i].head.next
+ if h then
+ local t = get_dir_count_inner(h)
+ if t~=0 then return t end
+ end
+ end
+ return page_direction
end
function get_adjust_dir_count()
for i=tex_nest.ptr, 1, -1 do
elseif v=='adj' then
v,name = get_adjust_dir_count(), nil
end
+ local current_nest = tex_nest[lv]
if tex.currentgrouptype==6 then
ltjb.package_error(
'luatexja',
"You can't use `\\" .. name .. "' in an align",
- "To change direction in an align, \n"
- .. "you shold use \\hbox or \\vbox.")
+ "To change the direction in an align, \n"
+ .. "you shold use \\hbox or \\vbox.")
+ elseif current_nest.mode == ltjs.hmode or abs(current_nest.mode) == ltjs.mmode then
+ ltjb.package_error(
+ 'luatexja',
+ "Improper `\\" .. name .. "'",
+ 'You cannot change the direction in unrestricted horizontal mode \n'
+ .. 'nor math modes.')
else
- local h = (lv==0) and tex.lists.page_head or tex_nest[lv].head.next
+ local h = (lv==0) and tex.lists.page_head or current_nest.head.next
local flag,w = test_list(h,lv)
if flag==0 then
if lv==0 and not page_direction then
elseif lv==0 then
page_direction = v
else -- flag == 2: need to create dir whatsit.
- local h = tex_nest[lv].head
+ local h = current_nest.head
local hn = node.next(h)
hn = (hn and hn.id==id_local) and hn or h
local w = to_node(dir_pool[v]())
insert_after_node(h,hn,w)
- tex_nest[lv].tail = node_tail_node(w)
+ current_nest.tail = node_tail_node(w)
end
ensure_tex_attr(attr_icflag, 0)
end
start_time_measure('box_primitive_hook')
local list_dir = get_dir_count()%dir_math_mod
local b = getbox(tex_getcount('ltj@tempcnta'))
- if b then
+ if b and getlist(to_direct(b)) then
local box_dir = get_box_dir(to_direct(b), dir_yoko)
if box_dir%dir_math_mod ~= list_dir then
ltjb.package_error(
local list_dir = get_dir_count()
local a = tex_nest[tex_nest.ptr].tail
local ad = to_direct(a)
+ if (not a) or getid(ad)~=id_ins then
+ a = node.tail(tex.lists.page_head); ad = to_direct(a)
+ end
if a and getid(ad)==id_ins then
local h = getfield(ad, 'head')
if getid(h)==id_whatsit and
if split_dir_head then
list_dir = has_attr(split_dir_head, attr_dir)
hd = insert_before(hd, hd, split_dir_head)
+ split_dir_head=nil
end
if split_dir_whatsit then
-- adjust direction of 'split_keep'
finalize_inner(shipout_temp)
setbox('global', "AtBeginShipoutBox", copy(getlist(shipout_temp)))
setfield(shipout_temp, 'head',nil)
-
-- garbage collect
--local m = collectgarbage('count')
--if m>lua_mem_kb+20480 then