require('lualibs')
+tableunpack = table.unpack
------------------------------------------------------------------------
-- naming:
local found = kpse.find_file(fn, 'tex')
if not found then
tex.error("LuaTeX-ja error: File `" .. fn .. "' not found")
- else
+ else
texio.write_nl('(' .. found .. ')')
dofile(found)
end
end
+do
+ local setfield = node.direct.setfield
+ luatexja.setglue = node.direct.setglue or
+ function(g,w,st,sh,sto,sho)
+ setfield(g,'width', w or 0)
+ setfield(g,'stretch',st or 0)
+ setfield(g,'shrink', sh or 0)
+ setfield(g,'stretch_order',sto or 0)
+ setfield(g,'shrink_order', sho or 0)
+ end
+ local getfield = node.direct.getfield
+ luatexja.getglue = node.direct.getglue or
+ function(g)
+ return getfield(g,'width'),
+ getfield(g,'stretch'),
+ getfield(g,'shrink'),
+ getfield(g,'stretch_order'),
+ getfield(g,'shrink_order')
+ end
+end
+
--- 以下は全ファイルで共有される定数
local icflag_table = {}
luatexja.icflag_table = icflag_table
icflag_table.ITALIC = 1
icflag_table.PACKED = 2
icflag_table.KINSOKU = 3
-icflag_table.FROM_JFM = 6
+icflag_table.FROM_JFM = 4
-- FROM_JFM: 4, 5, 6, 7, 8 →優先度高(伸びやすく,縮みやすい)
-- 6 が標準
-icflag_table.KANJI_SKIP = 9
-icflag_table.KANJI_SKIP_JFM = 10
-icflag_table.XKANJI_SKIP = 11
-icflag_table.XKANJI_SKIP_JFM = 12
-icflag_table.PROCESSED = 13
-icflag_table.IC_PROCESSED = 14
-icflag_table.BOXBDD = 15
-icflag_table.PROCESSED_BEGIN_FLAG = 128
+icflag_table.KANJI_SKIP = 68 -- = 4+64
+icflag_table.KANJI_SKIP_JFM = 69
+icflag_table.XKANJI_SKIP = 70
+icflag_table.XKANJI_SKIP_JFM = 71
+icflag_table.LINEEND = 72
+icflag_table.PROCESSED = 73
+icflag_table.IC_PROCESSED = 74
+icflag_table.BOXBDD = 75
+icflag_table.PROCESSED_BEGIN_FLAG = 4096 -- sufficiently large power of 2
local stack_table_index = {}
luatexja.stack_table_index = stack_table_index
stack_table_index.POST = 0x400000 -- characterごと
stack_table_index.KCAT = 0x600000 -- characterごと
stack_table_index.XSP = 0x800000 -- characterごと
+stack_table_index.RIPRE = 0xA00000 -- characterごと,ruby pre
+stack_table_index.RIPOST = 0xC00000 -- characterごと,ruby post
stack_table_index.JWP = 0 -- これだけ
stack_table_index.KSK = 1 -- これだけ
stack_table_index.XSK = 2 -- これだけ
userid_table.IHB = luatexbase.newuserwhatsitid('inhibitglue', 'luatexja') -- \inhibitglue
userid_table.STCK = luatexbase.newuserwhatsitid('stack_marker', 'luatexja') -- スタック管理
userid_table.BPAR = luatexbase.newuserwhatsitid('begin_par', 'luatexja') -- 「段落始め」
-
-do
- local node_remove, node_next, node_prev = node.remove, node.next, node.prev
- function luatexja.node_remove (head, current)
- if head==current then
- local q, r = node_next(current), node_prev(current)
- current.next = nil
- if q then q.prev = r end
- if r and node_next(r)==current then -- r is "real prev"
- r.next = q
- end
- return q, q
- else
- return node_remove(head, current)
- end
- end
-
- local Dnode = node.direct or node
- if Dnode~=node then
- local Dnode_remove = Dnode.remove
- local Dnode_next, Dnode_prev = Dnode.getnext, node.getprev
- local getfield, setfield = Dnode.getfield, Dnode.setfield
- function luatexja.Dnode_remove (head, current)
- if head==current then
- local q, r = Dnode_next(current), Dnode_prev(current)
- setfield(current, 'next', nil)
- if q then setfield(q, 'prev', r) end
- if r and Dnode_next(r) == current then -- r is "real prev"
- setfield(r, 'next', q)
- end
- return q, q
- else
- return Dnode_remove(head, current)
- end
- end
- else
- luatexja.Dnode_remove = luatexja.node_remove
- end
-
-end
-
+userid_table.DIR = luatexbase.newuserwhatsitid('direction', 'luatexja') -- 組方向
+userid_table.BOXB = luatexbase.newuserwhatsitid('box_boundary', 'luatexja') -- 「ボックス始め・終わり」
+
+local dir_table = {}
+luatexja.dir_table = dir_table
+dir_table.dir_dtou = 1
+dir_table.dir_tate = 3
+dir_table.dir_yoko = 4
+dir_table.dir_math_mod = 8
+dir_table.dir_node_auto = 128 -- 組方向を合わせるために自動で作られたもの
+dir_table.dir_node_manual = 256 -- 寸法代入によって作られたもの
+dir_table.dir_utod = dir_table.dir_tate + dir_table.dir_math_mod
+ -- 「縦数式ディレクション」 in pTeX
--- 定義終わり
local load_module = luatexja.load_module
load_module('base'); local ltjb = luatexja.base
load_module('rmlgbm'); local ltjr = luatexja.rmlgbm -- must be 1st
+
+if luatexja_debug then load_module('debug') end
+
load_module('charrange'); local ltjc = luatexja.charrange
+load_module('stack'); local ltjs = luatexja.stack
+load_module('direction'); local ltjd = luatexja.direction -- +1 hlist +1 attr_list
load_module('jfont'); local ltjf = luatexja.jfont
load_module('inputbuf'); local ltji = luatexja.inputbuf
-load_module('stack'); local ltjs = luatexja.stack
load_module('pretreat'); local ltjp = luatexja.pretreat
-load_module('jfmglue'); local ltjj = luatexja.jfmglue
load_module('setwidth'); local ltjw = luatexja.setwidth
+load_module('jfmglue'); local ltjj = luatexja.jfmglue -- +1 glue +1 gs +1 attr_list
load_module('math'); local ltjm = luatexja.math
load_module('tangle'); local ltjb = luatexja.base
+
local attr_jchar_class = luatexbase.attributes['ltj@charclass']
+local attr_jchar_code = luatexbase.attributes['ltj@charcode']
local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
local attr_yablshift = luatexbase.attributes['ltj@yablshift']
local attr_icflag = luatexbase.attributes['ltj@icflag']
local attr_uniqid = luatexbase.attributes['ltj@uniqid']
+local attr_dir = luatexbase.attributes['ltj@dir']
local cat_lp = luatexbase.catcodetables['latex-package']
-
----- table: charprop_stack_table [stack_level].{pre|post|xsp}[chr_code]
-
-
-- Three aux. functions, bollowed from tex.web
local unity=65536
local function print_scaled(s)
local out=''
local delta=10
- if s<0 then
+ if s<0 then
out=out..'-'; s=-s
end
out=out..tostring(floor(s/unity)) .. '.'
s=10*(s%unity)+5
repeat
if delta>unity then s=s+32768-50000 end
- out=out .. tostring(floor(s/unity))
+ out=out .. tostring(floor(s/unity))
s=10*(s%unity)
delta=delta*10
until s<=delta
return out
end
+luatexja.print_scaled = print_scaled
local function print_glue(d,order)
local out=print_scaled(d)
while order>1 do
out=out..'l'; order=order-1
end
- else
+ else
out=out..'pt'
end
return out
------------------------------------------------------------------------
--- CODE FOR GETTING/SETTING PARAMETERS
+-- CODE FOR GETTING/SETTING PARAMETERS
------------------------------------------------------------------------
-- EXT: print parameters that don't need arguments
do
+ local tex_getattr = tex.getattribute
+ local function getattr(a)
+ local r = tex.getattribute(a)
+ return (r==-0x7FFFFFFF) and 0 or r
+ end
luatexja.unary_pars = {
- yalbaselineshift = function(t)
- return print_scaled(tex.getattribute('ltj@yablshift'))..'pt'
+ yalbaselineshift = function(t)
+ return print_scaled(getattr('ltj@yablshift'))..'pt'
+ end,
+ yjabaselineshift = function(t)
+ return print_scaled(getattr('ltj@ykblshift'))..'pt'
end,
- yjabaselineshift = function(t)
- return print_scaled(tex.getattribute('ltj@ykblshift'))..'pt'
+ talbaselineshift = function(t)
+ return print_scaled(getattr('ltj@tablshift'))..'pt'
end,
- kanjiskip = function(t)
+ tjabaselineshift = function(t)
+ return print_scaled(getattr('ltj@tkblshift'))..'pt'
+ end,
+ kanjiskip = function(t)
return print_spec(ltjs.get_stack_skip(stack_table_index.KSK, t))
end,
- xkanjiskip = function(t)
+ xkanjiskip = function(t)
return print_spec(ltjs.get_stack_skip(stack_table_index.XSK, t))
end,
jcharwidowpenalty = function(t)
return ltjs.get_stack_table(stack_table_index.JWP, 0, t)
end,
autospacing = function(t)
- return tex.getattribute('ltj@autospc')
+ return getattr('ltj@autospc')
end,
autoxspacing = function(t)
- return tex.getattribute('ltj@autoxspc')
+ return getattr('ltj@autoxspc')
end,
differentjfm = function(t)
local f, r = luatexja.jfmglue.diffmet_rule, '???'
elseif f == math.two_add then r = 'both'
end
return r
- end
+ end,
+ direction = function()
+ local v = ltjd.get_dir_count()
+ if math.abs(tex.nest[tex.nest.ptr].mode) == ltjs.mmode and v == dir_table.dir_tate then
+ v = dir_table.dir_utod
+ end
+ return v
+ end,
+ adjustdir = ltjd.get_adjust_dir_count,
}
local unary_pars = luatexja.unary_pars
if unary_pars[k] then
tex.write(tostring(unary_pars[k](tex.getcount('ltj@@stack'))))
end
+ ltjb.stop_time_measure('get_par')
end
end
do
luatexja.binary_pars = {
jacharrange = function(c, t)
- if type(c)~='number' or c<0 or c>31*ltjc.ATTR_RANGE then
- -- 0 はエラーにしない(隠し)
+ if type(c)~='number' or c<-1 or c>31*ltjc.ATTR_RANGE then
+ -- 0, -1 はエラーにしない(隠し)
ltjb.package_error('luatexja',
'invalid character range number (' .. tostring(c) .. ')',
'A character range number should be in the range 1..'
return (c<0) and 1 or ltjc.get_range_setting(c)
end,
prebreakpenalty = function(c, t)
- return ltjs.get_stack_table(stack_table_index.PRE
+ return ltjs.get_stack_table(stack_table_index.PRE
+ ltjb.in_unicode(c, true), 0, t)
end,
postbreakpenalty = function(c, t)
- return ltjs.get_stack_table(stack_table_index.POST
+ return ltjs.get_stack_table(stack_table_index.POST
+ ltjb.in_unicode(c, true), 0, t)
end,
kcatcode = function(c, t)
- return ltjs.get_stack_table(stack_table_index.KCAT
+ return ltjs.get_stack_table(stack_table_index.KCAT
+ ltjb.in_unicode(c, false), 0, t)
end,
chartorange = function(c, t)
return ltjs.get_stack_table(stack_table_index.XSP
+ ltjb.in_unicode(c, true), 3, t)
end,
+ boxdir = function(c, t)
+ if type(c)~='number' or c<0 or c>65535 then
+ ltjb.package_error('luatexja',
+ 'Bad register code (' .. tostring(c) .. ')',
+ 'A register must be between 0 and 65535.\n'..
+ 'I changed this one to zero.')
+ c=0
+ end
+ return ltjd.get_register_dir(c)
+ end,
}
- local binary_pars = luatexja.binary_pars
+ local binary_pars = luatexja.binary_pars
binary_pars.alxspmode = binary_pars.jaxspmode
function luatexja.ext_get_parameter_binary(k,c)
if binary_pars[k] then
tex.write(tostring(binary_pars[k](c,tex.getcount('ltj@@stack'))))
end
+ ltjb.stop_time_measure('get_par')
end
end
if luatexja.isglobal=='global' then tex.sprint(cat_lp, '\\global') end
end
+
-- main process
do
- local Dnode = node.direct or node
+ local start_time_measure, stop_time_measure
+ = ltjb.start_time_measure, ltjb.stop_time_measure
local nullfunc = function (n) return n end
- local to_node = (Dnode ~= node) and Dnode.tonode or nullfunc
- local to_direct = (Dnode ~= node) and Dnode.todirect or nullfunc
+ local to_node = node.direct.tonode
+ local to_direct = node.direct.todirect
+ local ensure_tex_attr = ltjb.ensure_tex_attr
+
-- mode = true iff main_process is called from pre_linebreak_filter
- local function main_process(head, mode, dir)
- local p = to_direct(head)
- p = ltjj.main(p,mode)
- if p then p = ltjw.set_ja_width(p, dir) end
- return to_node(p)
+ local function main_process(head, mode, dir, gc)
+ ensure_tex_attr(attr_icflag, 0)
+ if gc == 'fin_row' then return head
+ else
+ --luatexja.ext_show_node_list(head, 'T> ', print)
+ start_time_measure('jfmglue')
+ local p = ltjj.main(to_direct(head),mode, dir)
+ stop_time_measure('jfmglue')
+ return to_node(p)
+ end
+ end
+
+ local function adjust_icflag(h)
+ -- kern from luaotfload will have icflag = 1
+ -- (same as italic correction)
+ ensure_tex_attr(attr_icflag, 1)
+ return h
end
-
+
-- callbacks
-
- luatexbase.add_to_callback(
- 'pre_linebreak_filter',
+ ltjb.add_to_callback(
+ 'pre_linebreak_filter',
function (head,groupcode)
- return main_process(head, true, tex.textdir)
- end,'ltj.pre_linebreak_filter',
- luatexbase.priority_in_callback('pre_linebreak_filter',
- 'luaotfload.node_processor') + 1)
- luatexbase.add_to_callback(
- 'hpack_filter',
+ return main_process(head, true, tex.textdir, groupcode)
+ end,'ltj.main',
+ luatexbase.priority_in_callback('pre_linebreak_filter', 'luaotfload.node_processor')+1)
+ ltjb.add_to_callback(
+ 'hpack_filter',
function (head,groupcode,size,packtype, dir)
- return main_process(head, false, dir)
- end,'ltj.hpack_filter',
- luatexbase.priority_in_callback('hpack_filter',
- 'luaotfload.node_processor') + 1)
-end
+ return main_process(head, false, dir, groupcode)
+ end,'ltj.main',
+ luatexbase.priority_in_callback('hpack_filter', 'luaotfload.node_processor')+1)
+ ltjb.add_to_callback('pre_linebreak_filter', adjust_icflag, 'ltj.adjust_icflag', 1)
+ ltjb.add_to_callback('hpack_filter', adjust_icflag, 'ltj.adjust_icflag', 1)
--- define_font
-do
- local otfl_fdr = fonts.definers.read
- local ltjr_font_callback = ltjr.font_callback
- function luatexja.font_callback(name, size, id)
- return ltjf.font_callback(
- name, size, id,
- function (name, size, id) return ltjr_font_callback(name, size, id, otfl_fdr) end
- )
- end
- luatexbase.add_to_callback('define_font',luatexja.font_callback,"luatexja.font_callback", 1)
end
+-- cleanup process
+function luatexja.ext_cleanup()
+ ltjf.cleanup_size_cache()
+ ltjd.remove_end_whatsit()
+end
+-- lastnodechar
+do
+ local id_glyph = node.id('glyph')
+ function luatexja.pltx_composite_last_node_char()
+ local n = tex.nest[tex.nest.ptr].tail
+ local r = '-1'
+ if n then
+ if n.id==id_glyph then
+ while n.componetns and n.subtype and n.subtype%4 >= 2 do
+ n = node.tail(n)
+ end
+ r = tostring(n.char)
+ end
+ end
+ tex.sprint(r)
+ end
+end
-- debug
local id_penalty = node.id('penalty')
local id_glyph = node.id('glyph')
-local id_glue_spec = node.id('glue_spec')
local id_glue = node.id('glue')
local id_kern = node.id('kern')
local id_hlist = node.id('hlist')
return (has_attr(p, attr_icflag) or 0) % icflag_table.PROCESSED_BEGIN_FLAG
end
-local debug_depth
+local prefix, inner_depth
-local function debug_show_node_X(p,print_fn)
- local k = debug_depth
+local function debug_show_node_X(p,print_fn, limit)
+ local k = prefix
local s
local pt=node_type(p.id)
- local base = debug_depth .. string.format('%X', get_attr_icflag(p))
+ local base = prefix .. string.format('%X', get_attr_icflag(p))
.. ' ' .. pt .. ' ' .. tostring(p.subtype) .. ' '
if pt == 'glyph' then
- s = base .. ' ' .. utf.char(p.char) .. ' ' .. tostring(p.font)
- .. ' (' .. print_scaled(p.height) .. '+'
+ s = base .. ' ' .. utf.char(p.char) .. ' '
+ .. tostring(p.font)
+ .. ' (' .. print_scaled(p.height) .. '+'
.. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
+ if p.xoffset~=0 or p.yoffset~=0 then
+ s = s .. ' off: (' .. print_scaled(p.xoffset)
+ .. ',' .. print_scaled(p.yoffset) .. ')'
+ end
print_fn(s)
- elseif pt=='hlist' or pt=='vlist' then
- s = base .. '(' .. print_scaled(p.height) .. '+'
- .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width) .. p.dir
- if p.shift~=0 then
+ elseif pt=='hlist' or pt=='vlist' or pt=='unset'or pt=='ins' then
+ if pt=='ins' then
+ s = base .. '(' .. print_scaled(p.height) .. '+'
+ .. print_scaled(p.depth) .. ')'
+ .. ', dir=' .. tostring(node.has_attribute(p, attr_dir))
+ else
+ s = base .. '(' .. print_scaled(p.height) .. '+'
+ .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
+ .. ', dir=' .. tostring(node.has_attribute(p, attr_dir))
+ end
+ if (p.shift or 0)~=0 then
s = s .. ', shifted ' .. print_scaled(p.shift)
end
- if p.glue_sign >= 1 then
+ if p.glue_set and p.glue_sign ==2 or ( p.glue_sign==1 and p.glue_set>0) then
s = s .. ' glue set '
if p.glue_sign == 2 then s = s .. '-' end
s = s .. tostring(floor(p.glue_set*10000)/10000)
- if p.glue_order == 0 then
- s = s .. 'pt'
- else
+ if p.glue_order == 0 then
+ s = s .. 'pt'
+ else
s = s .. 'fi'
for i = 2, p.glue_order do s = s .. 'l' end
end
if get_attr_icflag(p) == icflag_table.PACKED then
s = s .. ' (packed)'
end
- print_fn(s)
- local q = p.head
- debug_depth=debug_depth.. '.'
- while q do
- debug_show_node_X(q, print_fn); q = node_next(q)
+ print_fn(s);
+ local bid = inner_depth
+ prefix, inner_depth = prefix.. '.', inner_depth + 1
+ if inner_depth < limit then
+ for q in node.traverse(p.head) do
+ debug_show_node_X(q, print_fn, limit)
+ end
end
- debug_depth=k
+ prefix=k
+ elseif pt=='rule' then
+ s = base .. '(' .. print_scaled(p.height) .. '+'
+ .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
+ .. ', dir=' .. tostring(node.has_attribute(p, attr_dir))
+ print_fn(s)
elseif pt == 'glue' then
- s = base .. ' ' .. print_spec(p.spec)
- if get_attr_icflag(p)>icflag_table.KINSOKU
+ s = base .. ' ' .. print_spec(p)
+ if get_attr_icflag(p)>icflag_table.KINSOKU
and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP then
s = s .. ' (for accent)'
elseif get_attr_icflag(p)==icflag_table.IC_PROCESSED then
s = s .. ' (italic correction)'
+ elseif get_attr_icflag(p)==icflag_table.LINEEND then
+ s = s .. ' (end-of-line)'
-- elseif get_attr_icflag(p)==ITALIC then
-- s = s .. ' (italic correction)'
- elseif get_attr_icflag(p)>icflag_table.KINSOKU
+ elseif get_attr_icflag(p)>icflag_table.KINSOKU
and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
end
end
print_fn(s)
elseif pt == 'whatsit' then
- s = base .. ' subtype: ' .. tostring(p.subtype)
+ s = base
if p.subtype==sid_user then
- if p.type ~= 110 then
- s = s .. ' user_id: ' .. p.user_id .. ' ' .. p.value
+ local t = tostring(p.user_id) .. ' (' ..
+ luatexbase.get_user_whatsit_name(p.user_id) .. ') '
+ if p.type ~= 110 then
+ s = s .. ' userid:' .. t .. p.value
print_fn(s)
else
- s = s .. ' user_id: ' .. p.user_id .. ' (node list)'
+ s = s .. ' userid:' .. t .. '(node list)'
+ if p.user_id==userid_table.DIR then
+ s = s .. ' dir: ' .. tostring(node.has_attribute(p, attr_dir))
+ end
print_fn(s)
- local q = p.value
- debug_depth=debug_depth.. '.'
- while q do
- debug_show_node_X(q, print_fn); q = node_next(q)
- end
- debug_depth=k
+ local bid = inner_depth
+ prefix, inner_depth =prefix.. '.', inner_depth + 1
+ if inner_depth < limit then
+ for q in node.traverse(p.value) do
+ debug_show_node_X(q, print_fn, limit)
+ end
+ end
+ prefix, inner_depth = k, bid
end
else
- s = s .. node.subtype(p.subtype); print_fn(s)
+ s = s .. (node.subtype(p.subtype) or '')
+ if p.subtype==1 then
+ s = s .. ' stream=' .. p.stream
+ print_fn(s)
+ for i=1,#p.data do
+ print_fn(s .. ' [' .. i .. '] = ' .. tostring(p.data[i].csname))
+ end
+ else
+ print_fn(s)
+ end
end
-------- math node --------
elseif pt=='noad' then
s = base ; print_fn(s)
if p.nucleus then
- debug_depth = k .. 'N'; debug_show_node_X(p.nucleus, print_fn);
+ prefix = k .. 'N'; debug_show_node_X(p.nucleus, print_fn, limit);
end
if p.sup then
- debug_depth = k .. '^'; debug_show_node_X(p.sup, print_fn);
+ prefix = k .. '^'; debug_show_node_X(p.sup, print_fn, limit);
end
if p.sub then
- debug_depth = k .. '_'; debug_show_node_X(p.sub, print_fn);
+ prefix = k .. '_'; debug_show_node_X(p.sub, print_fn, limit);
end
- debug_depth = k;
+ prefix = k;
elseif pt=='math_char' then
s = base .. ' fam: ' .. p.fam .. ' , char = ' .. utf.char(p.char)
print_fn(s)
- elseif pt=='sub_box' then
+ elseif pt=='sub_box' or pt=='sub_mlist' then
print_fn(base)
if p.head then
- debug_depth = k .. '.'; debug_show_node_X(p.head, print_fn);
+ prefix = k .. '.';
+ for q in node.traverse(p.head) do
+ debug_show_node_X(q, print_fn)
+ end
end
else
print_fn(base)
end
p=node_next(p)
end
-function luatexja.ext_show_node_list(head,depth,print_fn)
- debug_depth = depth
+function luatexja.ext_show_node_list(head,depth,print_fn, lim)
+ prefix = depth
+ inner_depth = 0
if head then
while head do
- debug_show_node_X(head, print_fn); head = node_next(head)
+ debug_show_node_X(head, print_fn, lim or 1/0); head = node_next(head)
end
else
- print_fn(debug_depth .. ' (null list)')
+ print_fn(prefix .. ' (null list)')
end
end
-function luatexja.ext_show_node(head,depth,print_fn)
- debug_depth = depth
+function luatexja.ext_show_node(head,depth,print_fn, lim)
+ prefix = depth
+ inner_depth = 0
if head then
- debug_show_node_X(head, print_fn)
+ debug_show_node_X(head, print_fn, lim or 1/0)
else
- print_fn(debug_depth .. ' (null list)')
+ print_fn(prefix .. ' (null list)')
end
end