2 -- luatexja/ltj-jfmglue.lua
4 luatexbase.provides_module({
5 name = 'luatexja.jfmglue',
7 description = 'Insertion process of JFM glues, [x]kanjiskip and others',
9 luatexja.jfmglue = luatexja.jfmglue or {}
11 luatexja.load_module('base'); local ltjb = luatexja.base
12 luatexja.load_module('stack'); local ltjs = luatexja.stack
13 luatexja.load_module('jfont'); local ltjf = luatexja.jfont
14 luatexja.load_module('direction'); local ltjd = luatexja.direction
15 luatexja.load_module('setwidth'); local ltjw = luatexja.setwidth
18 --local to_node = node.direct.tonode
19 --local to_direct = node.direct.todirect
21 local setfield = node.direct.setfield
22 local setglue = luatexja.setglue
23 local getfield = node.direct.getfield
24 local getid = node.direct.getid
25 local getfont = node.direct.getfont
26 local getlist = node.direct.getlist
27 local getchar = node.direct.getchar
28 local getsubtype = node.direct.getsubtype
31 local lang_ja = luatexja.lang_ja
32 local getlang = node.direct.getlang
34 and function (n) return getlang(n)==lang_ja end
35 or function (n) return getfield(n,'lang')==lang_ja end
38 local has_attr = node.direct.has_attribute
39 local set_attr = node.direct.set_attribute
40 local insert_before = node.direct.insert_before
41 local insert_after = node.direct.insert_after
42 local node_next = node.direct.getnext
43 local ltjd_make_dir_whatsit = ltjd.make_dir_whatsit
44 local ltjf_font_metric_table = ltjf.font_metric_table
45 local ltjf_find_char_class = ltjf.find_char_class
46 local node_new = node.direct.new
47 local node_copy = node.direct.copy
48 local node_tail = node.direct.tail
49 local node_free = node.direct.free
50 local node_remove = node.direct.remove
52 local id_glyph = node.id('glyph')
53 local id_hlist = node.id('hlist')
54 local id_vlist = node.id('vlist')
55 local id_rule = node.id('rule')
56 local id_ins = node.id('ins')
57 local id_mark = node.id('mark')
58 local id_adjust = node.id('adjust')
59 local id_disc = node.id('disc')
60 local id_whatsit = node.id('whatsit')
61 local id_math = node.id('math')
62 local id_glue = node.id('glue')
63 local id_kern = node.id('kern')
64 local id_penalty = node.id('penalty')
66 local id_jglyph = 512 -- Japanese character
67 local id_box_like = 256 -- vbox, shifted hbox
68 local id_pbox = 257 -- already processed nodes (by \unhbox)
69 local id_pbox_w = 258 -- cluster which consists of a whatsit
70 local sid_user = node.subtype('user_defined')
72 local ITALIC = luatexja.icflag_table.ITALIC
73 local PACKED = luatexja.icflag_table.PACKED
74 local KINSOKU = luatexja.icflag_table.KINSOKU
75 local FROM_JFM = luatexja.icflag_table.FROM_JFM
76 local PROCESSED = luatexja.icflag_table.PROCESSED
77 local IC_PROCESSED = luatexja.icflag_table.IC_PROCESSED
78 local BOXBDD = luatexja.icflag_table.BOXBDD
79 local PROCESSED_BEGIN_FLAG = luatexja.icflag_table.PROCESSED_BEGIN_FLAG
81 local attr_icflag = luatexbase.attributes['ltj@icflag']
84 local table_current_stack
89 local set_np_xspc_jachar, set_np_xspc_alchar
90 local set_np_xspc_jachar_hbox
92 local ltjs_orig_char_table = ltjs.orig_char_table
94 local function get_attr_icflag(p)
95 return (has_attr(p, attr_icflag) or 0)%PROCESSED_BEGIN_FLAG
98 -------------------- Helper functions
100 -- This function is called only for acquiring `special' characters.
101 local function fast_find_char_class(c,m)
102 return m.chars[c] or 0
106 local slow_find_char_class
108 local start_time_measure = ltjb.start_time_measure
109 local stop_time_measure = ltjb.stop_time_measure
110 slow_find_char_class = function (c, m, oc)
111 local cls = ltjf_find_char_class(oc, m)
112 if oc~=c and c and cls==0 then
113 return ltjf_find_char_class(c, m)
120 local function skip_table_to_glue(n)
121 local g, st = node_new(id_glue), ltjs.fast_get_stack_skip(n)
122 setglue(g, st.width, st.stretch, st.shrink, st.stretch_order, st.shrink_order)
123 return g, (st.width==1073741823)
130 local setpenalty = node.direct.setpenalty or function(n, a) setfield(n,'penalty',a) end
131 local getpenalty = node.direct.getpenalty or function(n) return getfield(n,'penalty') end
132 function add_penalty(p,e)
133 local pp = getpenalty(p)
134 if (pp>-10000) and (pp<10000) then
135 if e>=10000 then setpenalty(p, 10000)
136 elseif e<=-10000 then setpenalty(p, -10000)
139 if pp>=10000 then setpenalty(p, 10000)
140 elseif pp<=-10000 then setpenalty(p, -10000)
141 else setpenalty(p, pp) end
148 luatexja.jfmglue.diffmet_rule = math.two_paverage
149 function math.two_add(a,b) return a+b end
150 function math.two_average(a,b) return (a+b)*0.5 end
151 function math.two_paverage(a,b) return (a+b)/2 end
152 function math.two_pleft(a,b) return a end
153 function math.two_pright(a,b) return b end
155 local head -- the head of current list
158 local widow_Bp, widow_Np -- \jcharwidowpenalty 挿入位置管理用
160 local non_ihb_flag -- JFM グルー挿入抑止用 flag
161 -- false: \inhibitglue 指定時 true: それ以外
163 -------------------- hlist 内の文字の検索
165 local first_char, last_char, find_first_char
168 local ltjd_glyph_from_packed = ltjd.glyph_from_packed
169 local function check_box(box_ptr, box_end)
170 local p = box_ptr; local found_visible_node = false
172 find_first_char = false; last_char = nil
175 while p and p~=box_end do
177 if pid==id_kern and getsubtype(p)==2 then
178 p = node_next(node_next(node_next(p))); pid = getid(p) -- p must be glyph_node
180 if pid==id_glyph then
182 if find_first_char then
183 first_char = p; find_first_char = false
185 last_char = p; found_visible_node = true; p=node_next(p)
186 if (not p) or p==box_end then
187 return found_visible_node
189 until getid(p)~=id_glyph
190 pid = getid(p) -- p must be non-nil
193 local pa = get_attr_icflag(p)
194 if (pa==IC_PROCESSED)or(pa==BOXBDD) then
195 --if (pa==IC_PROCESSED)or(pa==BOXBDD)or(getsubtype(p)==0) then
197 elseif getsubtype(p)==2 then
198 p = node_next(node_next(p));
199 -- Note that another node_next will be executed outside this if-statement.
201 found_visible_node = true
202 find_first_char = false; last_char = nil
204 elseif pid==id_hlist then
205 if PACKED == get_attr_icflag(p) then
206 local s = ltjd_glyph_from_packed(p)
207 if find_first_char then
208 first_char = s; find_first_char = false
210 last_char = s; found_visible_node = true
212 if getfield(p, 'shift')==0 then
214 if check_box(getlist(p), nil) then found_visible_node = true end
215 find_first_char = false
217 find_first_char = false; last_char = nil
220 elseif pid==id_math then
221 if find_first_char then
222 first_char = p; find_first_char = false
224 last_char = p; found_visible_node = true
225 elseif (pid==id_rule and get_attr_icflag(p)==PACKED)
226 or (pid==id_glue and get_attr_icflag(p)==BOXBDD) then
228 elseif not (pid==id_ins or pid==id_mark
229 or pid==id_adjust or pid==id_whatsit
230 or pid==id_penalty) then
231 found_visible_node = true
232 find_first_char = false; last_char = nil
236 return found_visible_node
239 check_box_high = function (Nx, box_ptr, box_end)
240 first_char = nil; last_char = nil; find_first_char = true
241 if check_box(box_ptr, box_end) then
242 local first_char = first_char
244 if getid(first_char)==id_glyph then
245 if if_lang_ja(first_char) then
246 set_np_xspc_jachar_hbox(Nx, first_char)
248 set_np_xspc_alchar(Nx, getchar(first_char),first_char, 1)
251 set_np_xspc_alchar(Nx, -1,first_char)
258 -------------------- Np の計算と情報取得
260 luatexbase.create_callback("luatexja.jfmglue.whatsit_getinfo", "data",
261 function (Np, lp, Nq)
262 if Np.nuc then return Np
264 return Np -- your code
267 luatexbase.create_callback("luatexja.jfmglue.whatsit_after", "data",
268 function (stat, Nq, Np) return false end)
272 do -- 001 -----------------------------------------------
274 local traverse = node.direct.traverse
275 local function check_next_ickern(lp)
277 while lp and getid(lp) == id_kern and ( getsubtype(lp)==0 or
278 getsubtype(lp)==3 or ITALIC == get_attr_icflag(lp)) do
279 set_attr(lp, attr_icflag, IC_PROCESSED);
280 lx, lp = lp, node_next(lp)
282 Np.last = lx; return lp
285 local function calc_np_pbox(lp, last)
286 local first, nc = (not Np.first), nil
287 --local lpa = get_attr_icflag(lp)==PACKED and PACKED or KINSOKU -- KINSOKU: dummy
288 local lpa = get_attr_icflag(lp)
289 Np.first = Np.first or lp; Np.id = id_pbox
290 set_attr(lp, attr_icflag, get_attr_icflag(lp));
291 while lp ~=last and (lpa>=PACKED) and (lpa<BOXBDD) do
292 local lpi = getid(lp)
294 if lpi==id_rule then lp = node_next(lp) end
295 nc, lp = lp, node_next(lp)
296 elseif lpi==id_hlist or lpi==id_vlist then
297 head, lp, nc = ltjd_make_dir_whatsit(head, lp, list_dir, 'jfm pbox')
298 Np.first = first and nc or Np.first
300 nc, lp = lp, node_next(lp)
302 first, lpa = false, (lp and has_attr(lp, attr_icflag) or 0)
303 -- get_attr_icflag() ではいけない!
306 lp = check_next_ickern(lp)
307 Np.last_char = check_box_high(Np, Np.first, lp)
311 local calc_np_aux_glyph_common
312 do -- 002 ---------------------------------------
313 local min, max = math.min, math.max
314 local getwhd = node.direct.getwhd
315 local attr_jchar_class = luatexbase.attributes['ltj@charclass']
316 local attr_jchar_code = luatexbase.attributes['ltj@charcode']
317 local identifiers = fonts.hashes.identifiers
318 local function calc_np_notdef(lp)
319 local ident = identifiers[getfont(lp)]
320 if not ident.descriptions[getchar(lp)] then
321 local ln = node_next(lp)
322 if (ident.shared and ident.shared.features and ident.shared.features.notdef)
323 and ln and getid(ln)==id_glyph then
324 set_attr(lp, attr_icflag, PROCESSED)
325 set_attr(ln, attr_jchar_code, has_attr(lp, attr_jchar_code) or getchar(lp))
326 set_attr(ln, attr_jchar_class, has_attr(lp, attr_jchar_class) or 0)
332 function calc_np_aux_glyph_common(lp, acc_flag)
333 Np.nuc, Np.first = lp, (Np.first or lp)
334 if if_lang_ja(lp) then -- JAchar
336 local m, mc, cls = set_np_xspc_jachar(Np, lp)
338 local w, h, d = getwhd(lp)
339 if w==0 and h==0 and d==0 then lp = calc_np_notdef(lp) end
340 lp, head, npi, npf = capsule_glyph(lp, m, mc[cls], head, tex_dir)
341 Np.first = (Np.first~=Np.nuc) and Np.first or npf or npi
343 return true, check_next_ickern(lp);
346 set_np_xspc_alchar(Np, getchar(lp), lp, 1)
348 local first_glyph, last_glyph = lp
349 set_attr(lp, attr_icflag, PROCESSED); Np.last = lp
350 local y_adjust = has_attr(lp,attr_ablshift) or 0
351 local node_depth = getfield(lp, 'depth') + min(y_adjust, 0)
352 local adj_depth = (y_adjust>0) and (getfield(lp, 'depth') + y_adjust) or 0
353 setfield(lp, 'yoffset', getfield(lp, 'yoffset') - y_adjust)
355 for lx in traverse(lp) do
356 local lai = get_attr_icflag(lx)
357 if lx==last or lai>=PACKED then
360 local lid = getid(lx)
361 if lid==id_glyph and not if_lang_ja(lx) then
363 last_glyph = lx; set_attr(lx, attr_icflag, PROCESSED); Np.last = lx
364 y_adjust = has_attr(lx,attr_ablshift) or 0
365 node_depth = max(getfield(lx, 'depth') + min(y_adjust, 0), node_depth)
366 adj_depth = (y_adjust>0) and max(getfield(lx, 'depth') + y_adjust, adj_depth) or adj_depth
367 setfield(lx, 'yoffset', getfield(lx, 'yoffset') - y_adjust)
368 elseif lid==id_kern then
369 local ls = getsubtype(lx)
370 if ls==2 then -- アクセント用の kern
371 set_attr(lx, attr_icflag, PROCESSED)
372 lx = node_next(lx) -- lx: アクセント本体
373 if getid(lx)==id_glyph then
374 setfield(lx, 'yoffset', getfield(lx, 'yoffset') - (has_attr(lx,attr_ablshift) or 0))
375 else -- アクセントは上下にシフトされている
376 setfield(lx, 'shift', getfield(lx, 'shift') + (has_attr(lx,attr_ablshift) or 0))
378 lx = node_next(node_next(lx))
381 elseif (ls==3) or (lai==ITALIC) then
382 Np.last = lx; set_attr(lx, attr_icflag, IC_PROCESSED)
392 if adj_depth>node_depth then
393 r = node_new(id_rule,3)
394 setfield(r, 'width', 0); setfield(r, 'height', 0)
395 setfield(r, 'depth',adj_depth); setfield(r, 'dir', tex_dir)
396 set_attr(r, attr_icflag, PROCESSED)
399 Np.last_char = last_glyph
400 if r then insert_after(head, first_glyph, r) end
405 local nf, nc = getfont(npn), getchar(npn)
406 local ct = (font.getfont(nf) or font.fonts[nf] ).characters[nc]
407 if not ct then -- variation selector
409 elseif (ct.left_protruding or 0) == 0 then
410 head = insert_before(head, npn, r)
411 Np.first = acc_flag and Np.first or ((Np.first==npn) and r or npn)
412 elseif (ct.right_protruding or 0) == 0 then
413 insert_after(head, npn, r); Np.last, lp = r, r
415 ltjb.package_warning_no_line(
417 'Check depth of glyph node ' .. tostring(npn) .. '(font=' .. nf
418 .. ', char=' .. nc .. '), because its \\lpcode is ' .. tostring(ct.left_protruding)
419 .. ' and its \\rpcode is ' .. tostring(ct.right_protruding)
427 end -- 002 ---------------------------------------
428 local calc_np_auxtable
429 do -- 002 ---------------------------------------
430 local ltjw_apply_ashift_math = ltjw.apply_ashift_math
431 local ltjw_apply_ashift_disc = ltjw.apply_ashift_disc
432 local node_end_of_math = node.direct.end_of_math
433 local dir_tate = luatexja.dir_table.dir_tate
434 local sid_start_link = node.subtype('pdf_start_link')
435 local sid_start_thread = node.subtype('pdf_start_thread')
436 local sid_end_link = node.subtype('pdf_end_link')
437 local sid_end_thread = node.subtype('pdf_end_thread')
439 [id_glyph] = calc_np_aux_glyph_common,
440 [id_hlist] = function(lp)
442 head, lp, op, flag = ltjd_make_dir_whatsit(head, lp, list_dir, 'jfm hlist')
443 set_attr(op, attr_icflag, PROCESSED)
444 Np.first = Np.first or op; Np.last = op; Np.nuc = op;
445 if (flag or getfield(op, 'shift')~=0) then
449 Np.last_char = check_box_high(Np, getlist(op), nil)
453 [id_vlist] = function(lp)
455 head, lp, op = ltjd_make_dir_whatsit(head, lp, list_dir, 'jfm:' .. getid(lp))
456 Np.first = Np.first or op; Np.last = op; Np.nuc = op;
460 box_like = function(lp)
461 Np.first = Np.first or lp; Np.last = lp; Np.nuc = lp;
463 return true, node_next(lp)
465 [id_whatsit] = function(lp)
466 local lps = getsubtype(lp)
467 if lps==sid_user then
468 if getfield(lp, 'user_id')==luatexja.userid_table.IHB then
469 local lq = node_next(lp);
470 head = node_remove(head, lp); node_free(lp); non_ihb_flag = false
472 elseif getfield(lp, 'user_id')==luatexja.userid_table.JA_AL_BDD then
473 local lq = node_next(lp);
474 head = node_remove(head, lp); node_free(lp)
477 set_attr(lp, attr_icflag, PROCESSED)
478 luatexbase.call_callback("luatexja.jfmglue.whatsit_getinfo",
481 Np.id = id_pbox_w; Np.first = Np.nuc; Np.last = Np.nuc;
482 return true, node_next(lp)
484 return false, node_next(lp)
488 -- we do special treatment for these whatsit nodes.
489 if lps == sid_start_link or lps == sid_start_thread then
491 elseif lps == sid_end_link or lps == sid_end_thread then
492 Np.first, Nq.last = nil, lp;
494 set_attr(lp, attr_icflag, PROCESSED)
495 return false, node_next(lp)
498 [id_math] = function(lp)
499 Np.first, Np.nuc = (Np.first or lp), lp;
500 set_attr(lp, attr_icflag, PROCESSED)
501 set_np_xspc_alchar(Np, -1, lp)
502 local end_math = node_end_of_math(lp)
503 ltjw_apply_ashift_math(lp, end_math, attr_ablshift)
504 set_attr(end_math, attr_icflag, PROCESSED)
505 Np.last, Np.id = end_math, id_math;
506 return true, node_next(end_math);
508 [id_glue] = function(lp)
509 Np.first, Np.nuc, Np.last = (Np.first or lp), lp, lp;
510 Np.id = getid(lp); set_attr(lp, attr_icflag, PROCESSED)
511 return true, node_next(lp)
513 [id_disc] = function(lp)
514 Np.first, Np.nuc, Np.last = (Np.first or lp), lp, lp;
515 Np.id = getid(lp); set_attr(lp, attr_icflag, PROCESSED)
516 ltjw_apply_ashift_disc(lp, (list_dir==dir_tate), tex_dir)
517 Np.last_char = check_box_high(Np, getfield(lp, 'replace'), nil)
518 return true, node_next(lp)
520 [id_kern] = function(lp)
521 if getsubtype(lp)==2 then
522 Np.first = Np.first or lp
523 set_attr(lp, attr_icflag, PROCESSED); lp = node_next(lp)
524 if getid(lp)==id_glyph then -- アクセント本体
525 setfield(lp, 'yoffset', getfield(lp, 'yoffset') - (has_attr(lp,attr_ablshift) or 0))
526 else -- アクセントは上下にシフトされている
527 setfield(lp, 'shift', getfield(lp, 'shift') + (has_attr(lp,attr_ablshift) or 0))
529 set_attr(lp, attr_icflag, PROCESSED); lp = node_next(lp)
530 set_attr(lp, attr_icflag, PROCESSED); lp = node_next(lp)
531 set_attr(lp, attr_icflag, PROCESSED);
532 return calc_np_aux_glyph_common(lp, true)
534 Np.first = Np.first or lp
535 Np.id = id_kern; set_attr(lp, attr_icflag, PROCESSED)
536 Np.last = lp; return true, node_next(lp)
539 [id_penalty] = function(lp)
540 Bp[#Bp+1] = lp; set_attr(lp, attr_icflag, PROCESSED)
541 return false, node_next(lp)
544 end -- 002 ---------------------------------------
545 calc_np_auxtable[id_rule] = calc_np_auxtable.box_like
546 calc_np_auxtable[15] = calc_np_auxtable.box_like
548 local function calc_np_aux_skip (lp)
549 set_attr(lp, attr_icflag, PROCESSED)
550 return false, node_next(lp)
553 function calc_np(last, lp)
555 -- We assume lp = node_next(Np.last)
556 Np, Nq, non_ihb_flag = Nq, Np, true
557 -- We clear `predefined' entries of Np before pairs() loop,
558 -- because using only pairs() loop is slower.
559 Np.post, Np.pre, Np.xspc = nil, nil, nil
560 Np.first, Np.id, Np.last, Np.met, Np.class= nil, nil, nil, nil
561 Np.auto_kspc, Np.auto_xspc, Np.char, Np.nuc = nil, nil, nil, nil
562 for k in pairs(Np) do Np[k] = nil end
564 for k = 1,#Bp do Bp[k] = nil end
566 local lpa = has_attr(lp, attr_icflag) or 0
569 if lpa%PROCESSED_BEGIN_FLAG == BOXBDD then
570 local lq = node_next(lp)
571 head = node_remove(head, lp); node_free(lp); lp = lq
573 return calc_np_pbox(lp, last)
576 k, lp = (calc_np_auxtable[getid(lp)] or calc_np_aux_skip)(lp)
577 if k then return lp end
582 end -- 001 -----------------------------------------------
584 -- extract informations from Np
585 -- We think that "Np is a Japanese character" if Np.met~=nil,
586 -- "Np is an alphabetic character" if Np.pre~=nil,
587 -- "Np is not a character" otherwise.
588 local after_hlist = nil -- global
589 local after_alchar, extract_np
591 local PRE = luatexja.stack_table_index.PRE
592 local POST = luatexja.stack_table_index.POST
593 local KCAT = luatexja.stack_table_index.KCAT
594 local XSP = luatexja.stack_table_index.XSP
595 local dir_tate = luatexja.dir_table.dir_tate
598 local attr_jchar_class = luatexbase.attributes['ltj@charclass']
599 local attr_jchar_code = luatexbase.attributes['ltj@charcode']
600 local attr_autospc = luatexbase.attributes['ltj@autospc']
601 local attr_autoxspc = luatexbase.attributes['ltj@autoxspc']
602 local getcomponents = node.direct.getcomponents
603 --local ltjf_get_vert_glyph = ltjf.get_vert_glyph
604 function set_np_xspc_jachar(Nx, x)
605 local m = ltjf_font_metric_table[getfont(x)]
606 local c, c_glyph = (not getcomponents(x) and ltjs_orig_char_table[x]), getchar(x)
607 if c and c~=c_glyph then set_attr(x, attr_jchar_code, c) end
609 local cls = slow_find_char_class(c, m, c_glyph)
610 Nx.met, Nx.class, Nx.char = m, cls, c;
611 local mc = m.char_type; Nx.char_type = mc
612 if cls~=0 then set_attr(x, attr_jchar_class, cls) end
613 Nx.pre = table_current_stack[PRE + c] or 0
614 Nx.post = table_current_stack[POST + c] or 0
615 Nx.xspc = table_current_stack[XSP + c] or 3
616 Nx.kcat = table_current_stack[KCAT + c] or 0
617 Nx.auto_kspc, Nx.auto_xspc = (has_attr(x, attr_autospc)==1), (has_attr(x, attr_autoxspc)==1)
620 function set_np_xspc_jachar_hbox(Nx, x)
621 local m = ltjf_font_metric_table[getfont(x)]
622 local c = has_attr(x, attr_jchar_code) or getchar(x)
623 Nx.met, Nx.char = m, c; Nx.class = has_attr(x, attr_jchar_class) or 0;
624 local mc = m.char_type; Nx.char_type = mc
625 Nx.pre = table_current_stack[PRE + c] or 0
626 Nx.post = table_current_stack[POST + c] or 0
627 Nx.xspc = table_current_stack[XSP + c] or 3
628 Nx.kcat = table_current_stack[KCAT + c] or 0
629 Nx.auto_kspc, Nx.auto_xspc = (has_attr(x, attr_autospc)==1), (has_attr(x, attr_autoxspc)==1)
633 local floor = math.floor
634 local nullfunc = function(n) return n end
635 function set_np_xspc_alchar(Nx, c,x, lig)
637 local f = (lig ==1) and nullfunc or node_tail
638 local xc, xs = getcomponents(x), getsubtype(x)
639 while xc and xs and xs%4>=2 do
641 if getid(x)==id_disc then x, xc, xs = nil, getfield(x,'replace'), 2
642 else xc, xs = getcomponents(x), getsubtype(x) end
644 c = x and getchar(x) or c
645 Nx.pre = table_current_stack[PRE + c] or 0
646 Nx.post = table_current_stack[POST + c] or 0
648 Nx.pre, Nx.post = 0, 0
651 Nx.xspc = table_current_stack[XSP + c] or 3
652 Nx.auto_xspc = (has_attr(x, attr_autoxspc)==1)
654 local set_np_xspc_alchar = set_np_xspc_alchar
656 -- change the information for the next loop
657 -- (will be done if Nx is an alphabetic character or a hlist)
658 after_hlist = function (Nx)
659 local s = Nx.last_char
661 if getid(s)==id_glyph then
662 if if_lang_ja(s) then
663 set_np_xspc_jachar_hbox(Nx, s)
665 set_np_xspc_alchar(Nx, getchar(s), s, 2)
668 set_np_xspc_alchar(Nx, -1, s)
671 Nx.pre, Nx.met = nil, nil
675 after_alchar = function (Nx)
676 local x = Nx.last_char
677 return set_np_xspc_alchar(Nx, getchar(x), x, 2)
682 -------------------- 最下層の処理
684 luatexbase.create_callback('luatexja.adjust_jfmglue', 'simple', function(n) return n end)
686 -- change penalties (or create a new penalty, if needed)
687 local function handle_penalty_normal(post, pre, g)
688 luatexbase.call_callback('luatexja.adjust_jfmglue', head, Nq, Np, Bp)
689 local a = (pre or 0) + (post or 0)
691 if (a~=0 and not(g and getid(g)==id_kern)) then
692 local p = node_new(id_penalty)
693 if a<-10000 then a = -10000 elseif a>10000 then a = 10000 end
694 setfield(p, 'penalty', a)
695 head = insert_before(head, Np.first, p)
697 set_attr(p, attr_icflag, KINSOKU)
699 else for _, v in pairs(Bp) do add_penalty(v,a) end
703 local function handle_penalty_always(post, pre, g)
704 luatexbase.call_callback('luatexja.adjust_jfmglue', head, Nq, Np, Bp)
705 local a = (pre or 0) + (post or 0)
707 if not (g and getid(g)==id_glue) or a~=0 then
708 local p = node_new(id_penalty)
709 if a<-10000 then a = -10000 elseif a>10000 then a = 10000 end
710 setfield(p, 'penalty', a)
711 head = insert_before(head, Np.first, p)
713 set_attr(p, attr_icflag, KINSOKU)
715 else for _, v in pairs(Bp) do add_penalty(v,a) end
719 local function handle_penalty_suppress(post, pre, g)
720 luatexbase.call_callback('luatexja.adjust_jfmglue', head, Nq, Np, Bp)
722 if g and getid(g)==id_glue then
723 local p = node_new(id_penalty)
724 setfield(p, 'penalty', 10000); head = insert_before(head, Np.first, p)
726 set_attr(p, attr_icflag, KINSOKU)
729 local a = (pre or 0) + (post or 0)
730 for _, v in pairs(Bp) do add_penalty(v,a) end
734 local function handle_penalty_jwp()
735 local a = table_current_stack[luatexja.stack_table_index.JWP]
736 if #widow_Bp == 0 then
738 local p = node_new(id_penalty)
739 if a<-10000 then a = -10000 elseif a>10000 then a = 10000 end
740 setfield(p, 'penalty', a)
741 head = insert_before(head, widow_Np.first, p)
743 set_attr(p, attr_icflag, KINSOKU)
745 else for _, v in pairs(widow_Bp) do add_penalty(v,a) end
749 -- 和文文字間の JFM glue を node 化
750 local function new_jfm_glue(mc, bc, ac)
751 -- bc, ac: char classes
755 return node_copy(g[1]), g.ratio, false, false, false
757 local f = node_new(id_glue)
758 set_attr(f, attr_icflag, g.priority)
759 setglue(f, g.width, g.stretch, g.shrink)
760 return f, g.ratio, g.kanjiskip_natural, g.kanjiskip_stretch, g.kanjiskip_shrink
766 -- Nq.last (kern w) .... (glue/kern g) Np.first
767 local function real_insert(g)
769 head = insert_before(head, Np.first, g)
775 -------------------- 和文文字間空白量の決定
778 local round = tex.round
779 local bg_ag = 2*id_glue - id_glue
780 local bg_ak = 2*id_glue - id_kern
781 local bk_ag = 2*id_kern - id_glue
782 local bk_ak = 2*id_kern - id_kern
784 local function blend_diffmet(b, a, rb, ra)
785 return round(luatexja.jfmglue.diffmet_rule((1-rb)*b+rb*a, (1-ra)*b+ra*a))
787 calc_ja_ja_aux = function (gb, ga, db, da)
788 if luatexja.jfmglue.diffmet_rule ~= math.two_pleft and diffmet_rule ~= math.two_pright
789 and luatexja.jfmglue.diffmet_rule ~= math.two_paverage then
794 gb = node_new(id_kern, 1); setfield(gb, 'kern', 0)
797 ga = node_new(id_kern, 1); setfield(ga, 'kern', 0)
800 local k = 2*getid(gb) - getid(ga)
803 setglue(gb, blend_diffmet(
804 getfield(gb, 'width'), getfield(ga, 'width'), db, da),
806 getfield(gb, 'stretch'), getfield(ga, 'stretch'), db, da),
808 -getfield(gb, 'shrink'), -getfield(ga, 'shrink'), db, da))
811 elseif k == bk_ak then
813 setfield(gb, 'kern', blend_diffmet(
814 getfield(gb, 'kern'), getfield(ga, 'kern'), db, da))
817 elseif k == bk_ag then
818 -- gb: kern, ga: glue
819 setglue(ga, blend_diffmet(
820 getfield(gb, 'kern'), getfield(ga, 'width'), db, da),
822 0, getfield(ga, 'stretch'), db, da),
824 0, -getfield(ga, 'shrink'), db, da))
828 -- gb: glue, ga: kern
829 setglue(gb, blend_diffmet(
830 getfield(gb, 'width'), getfield(ga, 'kern'), db, da),
832 getfield(gb, 'stretch'), 0, db, da),
834 -getfield(gb, 'shrink'), 0, db, da))
841 local null_skip_table = {0, 0, 0}
843 local get_kanjiskip, kanjiskip_jfm_flag
844 local get_kanjiskip_low
845 local calc_ja_ja_glue
847 local KANJI_SKIP = luatexja.icflag_table.KANJI_SKIP
848 local KANJI_SKIP_JFM = luatexja.icflag_table.KANJI_SKIP_JFM
850 get_kanjiskip_low = function(flag, qm, bn, bp, bh)
851 if flag or (qm.with_kanjiskip and (bn or bp or bh)) then
852 if kanjiskip_jfm_flag then
853 local g = node_new(id_glue);
854 local bk = qm.kanjiskip or null_skip_table
855 setglue(g, bn and (bn*bk[1]) or 0,
856 bp and (bp*bk[2]) or 0,
857 bh and (bh*bk[3]) or 0, 0, 0)
858 set_attr(g, attr_icflag, KANJI_SKIP_JFM)
861 return node_copy(kanji_skip)
863 local g = node_new(id_glue);
865 bn and (bn*getfield(kanji_skip, 'width')) or 0,
866 bp and (bp*getfield(kanji_skip, 'stretch')) or 0,
867 bh and (bh*getfield(kanji_skip, 'shrink')) or 0,
869 set_attr(g, attr_icflag, KANJI_SKIP_JFM)
875 get_kanjiskip = function()
876 if Np.auto_kspc==0 or Nq.auto_kspc==0 then
878 elseif Np.auto_kspc or Nq.auto_kspc then
879 local pm, qm = Np.met, Nq.met
880 if (pm.char_type==qm.char_type) and (qm.var==pm.var) then
881 return get_kanjiskip_low(true, qm, 1, 1, 1)
883 local gb = get_kanjiskip_low(true, qm, 1, 1, 1)
884 local ga = get_kanjiskip_low(true, pm, 1, 1, 1)
885 return calc_ja_ja_aux(gb, ga, 0, 1)
888 local g = node_new(id_glue)
889 set_attr(g, attr_icflag, kanjiskip_jfm_flag and KANJI_SKIP_JFM or KANJI_SKIP)
894 calc_ja_ja_glue = function ()
895 local qm, pm = Nq.met, Np.met
896 local qmc, pmc = qm.char_type, pm.char_type
897 if (qmc==pmc) and (qm.var==pm.var) then
898 local g, _, kn, kp, kh = new_jfm_glue(qmc, Nq.class, Np.class)
899 return g, (Np.auto_kspc or Nq.auto_kspc) and get_kanjiskip_low(false, qm, kn, kp, kh)
901 local npn, nqn = Np.nuc, Nq.nuc
902 local gb, db, bn, bp, bh
903 = new_jfm_glue(qmc, Nq.class,
904 slow_find_char_class(Np.char,
906 local ga, da, an, ap, ah
908 slow_find_char_class(Nq.char,
911 local g = calc_ja_ja_aux(gb, ga, db, da)
913 if (pmc==qmc) and (qm.var==pm.var) then
914 gb = get_kanjiskip_low(false, qm, bn, bp, bh)
915 ga = get_kanjiskip_low(false, pm, an, ap, ah)
916 k = calc_ja_ja_aux(gb, ga, db, da)
923 -------------------- 和欧文間空白量の決定
926 local get_xkanjiskip, xkanjiskip_jfm_flag
927 local get_xkanjiskip_normal, get_xkanjiskip_jfm
928 local get_xkanjiskip_low
930 local XKANJI_SKIP = luatexja.icflag_table.XKANJI_SKIP
931 local XKANJI_SKIP_JFM = luatexja.icflag_table.XKANJI_SKIP_JFM
933 get_xkanjiskip_low = function(flag, qm, bn, bp, bh)
934 if flag or (qm.with_kanjiskip and (bn or bp or bh)) then
935 if xkanjiskip_jfm_flag then
936 local g = node_new(id_glue);
937 local bk = qm.xkanjiskip or null_skip_table
938 setglue(g, bn and bk[1] or 0,
940 bh and bk[3] or 0, 0, 0)
941 set_attr(g, attr_icflag, XKANJI_SKIP_JFM)
944 return node_copy(xkanji_skip)
946 local g = node_new(id_glue);
948 bn and (bn*getfield(xkanji_skip, 'width')) or 0,
949 bp and (bp*getfield(xkanji_skip, 'stretch')) or 0,
950 bh and (bh*getfield(xkanji_skip, 'shrink')) or 0,
952 set_attr(g, attr_icflag, XKANJI_SKIP_JFM)
958 get_xkanjiskip = function(Nn)
959 if Np.auto_xspc==0 or Nq.auto_xspc==0 then
961 elseif (Nq.xspc>=2) and (Np.xspc%2==1) and (Nq.auto_xspc or Np.auto_xspc) then
962 return get_xkanjiskip_low(true, Nn.met, 1, 1, 1)
964 local g = node_new(id_glue)
965 set_attr(g, attr_icflag, xkanjiskip_jfm_flag and XKANJI_SKIP_JFM or XKANJI_SKIP)
971 -------------------- 隣接した「塊」間の処理
973 local function combine_spc(name)
974 return (Np[name] or Nq[name]) and ((Np[name]~=0) and (Nq[name]~=0))
977 -- NA, NB: alchar or math
978 local function get_NA_skip()
980 local g, _, kn, kp, kh = new_jfm_glue(
982 fast_find_char_class(
983 (Nq.id == id_math and -1 or (Nq.xspc>=2 and 'alchar' or 'nox_alchar')), pm),
985 local k = ((Nq.xspc>=2) and (Np.xspc%2==1) and combine_spc('auto_xspc'))
986 and get_xkanjiskip_low(false, pm, kn, kp, kh)
989 local function get_NB_skip()
991 local g, _, kn, kp, kh = new_jfm_glue(
992 qm.char_type, Nq.class,
993 fast_find_char_class(
994 (Np.id == id_math and -1 or (Np.xspc%2==1 and 'alchar' or 'nox_alchar')), qm)
996 local k = ((Nq.xspc>=2) and (Np.xspc%2==1) and combine_spc('auto_xspc'))
997 and get_xkanjiskip_low(false, qm, kn, kp, kh)
1001 local function get_OA_skip(is_kanji)
1003 local g, _, kn, kp, kh = new_jfm_glue(
1005 fast_find_char_class(
1006 (((Nq.id==id_glue)or(Nq.id==id_kern)) and 'glue' or 'jcharbdd'), pm),
1010 k = combine_spc('auto_kspc') and get_kanjiskip_low(false, pm, kn, kp, kh)
1014 local function get_OB_skip(is_kanji)
1016 local g, _, kn, kp, kh = new_jfm_glue(
1017 qm.char_type, Nq.class,
1018 fast_find_char_class(
1019 (((Np.id==id_glue)or(Np.id==id_kern)) and 'glue' or 'jcharbdd'), qm))
1022 k = combine_spc('auto_kspc') and get_kanjiskip_low(false, qm, kn, kp, kh)
1027 -- (anything) .. jachar
1028 local function handle_np_jachar(mode)
1030 if qid==id_jglyph or ((qid==id_pbox or qid==id_pbox_w) and Nq.met) then
1032 if non_ihb_flag then g, k = calc_ja_ja_glue() end -- M->K
1033 if not g then g = get_kanjiskip() end
1034 handle_penalty_normal(Nq.post, Np.pre, g);
1035 real_insert(g); real_insert(k)
1036 elseif Nq.met then -- qid==id_hlist
1038 if non_ihb_flag then g, k = get_OA_skip(0) end -- O_A->K
1039 if not g then g = get_kanjiskip() end
1040 handle_penalty_normal(0, Np.pre, g); real_insert(g); real_insert(k)
1043 if non_ihb_flag then g, k = get_NA_skip() end -- N_A->X
1044 if not g then g = get_xkanjiskip(Np) end
1045 handle_penalty_normal((qid==id_hlist and 0 or Nq.post), Np.pre, g);
1046 real_insert(g); real_insert(k)
1048 local g = non_ihb_flag and (get_OA_skip()) -- O_A
1049 if qid==id_glue then handle_penalty_normal(0, Np.pre, g)
1050 elseif qid==id_kern then handle_penalty_suppress(0, Np.pre, g)
1051 else handle_penalty_always(0, Np.pre, g)
1055 if mode and Np.kcat%2~=1 then
1056 widow_Np.first, widow_Bp, Bp = Np.first, Bp, widow_Bp
1061 -- jachar .. (anything)
1062 local function handle_nq_jachar()
1064 local g = non_ihb_flag and get_NB_skip() or get_xkanjiskip(Nq) -- N_B->X
1065 handle_penalty_normal(Nq.post, (Np.id==id_hlist and 0 or Np.pre), g); real_insert(g)
1067 local g =non_ihb_flag and (get_OB_skip()) -- O_B
1068 if Np.id==id_glue then handle_penalty_normal(Nq.post, 0, g)
1069 elseif Np.id==id_kern then handle_penalty_suppress(Nq.post, 0, g)
1070 else handle_penalty_always(Nq.post, 0, g)
1076 -- (anything) .. (和文文字で始まる hlist)
1077 local function handle_np_ja_hlist()
1079 if qid==id_jglyph or ((qid==id_pbox or qid == id_pbox_w) and Nq.met) then
1080 local g = non_ihb_flag and get_OB_skip(0) or get_kanjiskip() -- O_B->K
1081 handle_penalty_normal(Nq.post, 0, g); real_insert(g)
1082 elseif Nq.met then -- Nq.id==id_hlist
1083 local g = get_kanjiskip() -- K
1084 handle_penalty_suppress(0, 0, g); real_insert(g)
1086 local g = get_xkanjiskip(Np) -- X
1087 handle_penalty_suppress(0, 0, g); real_insert(g)
1091 -- (和文文字で終わる hlist) .. (anything)
1092 local function handle_nq_ja_hlist()
1094 local g = get_xkanjiskip(Nq) -- X
1095 handle_penalty_suppress(0, 0, g); real_insert(g)
1100 -- Nq が前側のクラスタとなることによる修正
1103 local adjust_nq_aux = {
1104 [id_glyph] = function() after_alchar(Nq) end, -- after_alchar(Nq)
1105 [id_hlist] = function() after_hlist(Nq) end,
1106 [id_pbox] = function() after_hlist(Nq) end,
1107 [id_disc] = function() after_hlist(Nq) end,
1108 [id_pbox_w] = function()
1109 luatexbase.call_callback("luatexja.jfmglue.whatsit_after",
1114 adjust_nq=function()
1115 local x = adjust_nq_aux[Nq.id]
1121 -------------------- 開始・終了時の処理
1123 local node_prev = node.direct.getprev
1125 local function handle_list_tail(mode, last)
1128 -- the current list is to be line-breaked.
1129 -- Insert \jcharwidowpenalty
1130 if widow_Np.first then handle_penalty_jwp() end
1133 -- the current list is the contents of a hbox
1134 local npi, pm = Np.id, Np.met
1135 if npi == id_jglyph or (npi==id_pbox and pm) then
1136 local g = new_jfm_glue(pm.char_type, Np.class, fast_find_char_class('boxbdd', pm))
1138 set_attr(g, attr_icflag, BOXBDD)
1139 head = insert_after(head, Np.last, g)
1146 local function handle_list_head(par_indented)
1147 local npi, pm = Np.id, Np.met
1148 if npi == id_jglyph or (npi==id_pbox and pm) then
1149 if non_ihb_flag then
1150 local g = new_jfm_glue(pm.char_type, fast_find_char_class(par_indented, pm), Np.class)
1152 set_attr(g, attr_icflag, BOXBDD)
1153 if getid(g)==id_glue and #Bp==0 then
1154 local h = node_new(id_penalty)
1155 setfield(h, 'penalty', 10000); set_attr(h, attr_icflag, BOXBDD)
1157 head = insert_before(head, Np.first, g)
1164 -- return value: (the initial cursor lp), (last node)
1167 local id_local = node.id('local_par')
1168 local KANJI_SKIP = luatexja.icflag_table.KANJI_SKIP
1169 local XKANJI_SKIP = luatexja.icflag_table.XKANJI_SKIP
1170 local KSK = luatexja.stack_table_index.KSK
1171 local XSK = luatexja.stack_table_index.XSK
1172 local dir_yoko = luatexja.dir_table.dir_yoko
1173 local dir_tate = luatexja.dir_table.dir_tate
1174 local attr_yablshift = luatexbase.attributes['ltj@yablshift']
1175 local attr_tablshift = luatexbase.attributes['ltj@tablshift']
1176 local table_pool = {
1177 {}, {}, {first=nil},
1178 { auto_kspc=nil, auto_xspc=nil, char=nil, class=nil,
1179 first=nil, id=nil, last=nil, met=nil, nuc=nil,
1180 post=nil, pre=nil, xspc=nil, },
1181 { auto_kspc=nil, auto_xspc=nil, char=nil, class=nil,
1182 first=nil, id=nil, last=nil, met=nil, nuc=nil,
1183 post=nil, pre=nil, xspc=nil, },
1185 init_var = function (mode,dir)
1186 -- 1073741823: max_dimen
1187 Bp, widow_Bp, widow_Np, Np, Nq
1188 = table_pool[1], table_pool[2], table_pool[3], table_pool[4], table_pool[5]
1189 for i=1,5 do for j,_ in pairs(table_pool[i]) do table_pool[i][j]=nil end end
1190 table_current_stack = ltjs.table_current_stack
1192 list_dir, tex_dir = (ltjs.list_dir or dir_yoko), (dir or 'TLT')
1193 local is_dir_tate = list_dir==dir_tate
1194 capsule_glyph = is_dir_tate and ltjw.capsule_glyph_tate or ltjw.capsule_glyph_yoko
1195 attr_ablshift = is_dir_tate and attr_tablshift or attr_yablshift
1196 local TEMP = node_new(id_glue)
1197 -- TEMP is a dummy node, which will be freed at the end of the callback.
1198 -- ithout this node, set_attr(kanji_skip, ...) somehow creates an "orphaned" attribute list.
1201 kanji_skip, kanjiskip_jfm_flag = skip_table_to_glue(KSK)
1202 set_attr(kanji_skip, attr_icflag, KANJI_SKIP)
1206 xkanji_skip, xkanjiskip_jfm_flag = skip_table_to_glue(XSK)
1207 set_attr(xkanji_skip, attr_icflag, XKANJI_SKIP)
1211 -- the current list is to be line-breaked:
1212 -- hbox from \parindent is skipped.
1213 local lp, par_indented, lpi, lps = head, 'boxbdd', getid(head), getsubtype(head)
1215 ((lpi==id_whatsit and lps~=sid_user)
1216 or ((lpi==id_hlist) and (lps==3))
1217 or (lpi==id_local)) do
1218 if (lpi==id_hlist) and (lps==3) then
1219 Np.char, par_indented = 'parbdd', 'parbdd'
1220 Np.width = getfield(lp, 'width')
1222 lp=node_next(lp); lpi, lps = getid(lp), getsubtype(lp) end
1223 return lp, node_tail(head), par_indented, TEMP
1225 return head, nil, 'boxbdd', TEMP
1230 local ensure_tex_attr = ltjb.ensure_tex_attr
1231 local function cleanup(mode, TEMP)
1232 -- luatexja.ext_show_node_list(to_node(head), '> ', print)
1233 -- adjust attr_icflag for avoiding error
1234 if tex.getattribute(attr_icflag)~=0 then ensure_tex_attr(attr_icflag, 0) end
1235 node_free(kanji_skip);
1236 node_free(xkanji_skip); node_free(TEMP)
1239 local h = node_next(head)
1240 if getid(h) == id_penalty and getfield(h, 'penalty') == 10000 then
1242 if getid(h) == id_glue and getsubtype(h) == 15 and not node_next(h) then
1249 -------------------- 外部から呼ばれる関数
1252 function luatexja.jfmglue.main(ahead, mode, dir)
1253 if not ahead then return ahead end
1254 --luatexja.ext_show_node_list(to_node(ahead ), '>B ', print)
1257 local lp, last, par_indented, TEMP = init_var(mode,dir)
1258 lp = calc_np(last, lp)
1260 handle_list_head(par_indented)
1261 lp = calc_np(last,lp);
1264 local pid, pm = Np.id, Np.met
1266 if pid == id_jglyph then
1267 handle_np_jachar(mode)
1269 if pid==id_hlist then handle_np_ja_hlist()
1270 else handle_np_jachar() end
1272 if Nq.id==id_hlist then handle_nq_ja_hlist()
1273 else handle_nq_jachar() end
1275 lp = calc_np(last,lp)
1277 handle_list_tail(mode, last)
1279 --luatexja.ext_show_node_list(to_node(ahead ), '>A ', print)
1281 return cleanup(mode, TEMP)
1286 local IHB = luatexja.userid_table.IHB
1287 local BPAR = luatexja.userid_table.BPAR
1288 local BOXB = luatexja.userid_table.BOXB
1289 local node_prev = node.direct.getprev
1290 local node_write = node.direct.write
1293 function luatexja.jfmglue.create_inhibitglue_node()
1294 local tn = node_new(id_whatsit, sid_user)
1295 setfield(tn, 'user_id', IHB)
1296 setfield(tn, 'type', 100)
1297 setfield(tn, 'value', 1)
1301 -- Node for indicating beginning of a paragraph
1302 -- (for ltjsclasses)
1303 function luatexja.jfmglue.create_beginpar_node()
1304 local tn = node_new(id_whatsit, sid_user)
1305 setfield(tn, 'user_id', BPAR)
1306 setfield(tn, 'type', 100)
1307 setfield(tn, 'value', 1)
1311 -- Node for indicating a head/end of a box
1312 function luatexja.jfmglue.create_boxbdd_node()
1313 local tn = node_new(id_whatsit, sid_user)
1314 setfield(tn, 'user_id', BOXB)
1315 setfield(tn, 'type', 100)
1316 setfield(tn, 'value', 1)
1320 local function whatsit_callback(Np, lp, Nq)
1321 if Np and Np.nuc then return Np
1322 elseif Np and getfield(lp, 'user_id') == BPAR then
1323 Np.first = lp; Np.nuc = lp; Np.last = lp
1325 elseif Np and getfield(lp, 'user_id') == BOXB then
1326 Np.first = lp; Np.nuc = lp; Np.last = lp
1329 Np.class = fast_find_char_class('boxbdd', Nq.met)
1331 Np.met = Nq.met; Np.pre = 0; Np.post = 0; Np.xspc = 0
1332 Np.auto_xspc, Np.auto_kspc = 0, 0
1340 local function whatsit_after_callback(s, Nq, Np)
1341 if not s and getfield(Nq.nuc, 'user_id') == BPAR then
1342 local x, y = node_prev(Nq.nuc), Nq.nuc
1343 Nq.first, Nq.nuc, Nq.last = x, x, x
1346 Nq.class = fast_find_char_class('parbdd', Np.met)
1348 Nq.met = Np.met; Nq.pre = 0; Nq.post = 0; Nq.xspc = 0
1349 Nq.auto_xspc, Nq.auto_kspc = 0, 0
1351 head = node_remove(head, y)
1353 elseif not s and getfield(Nq.nuc, 'user_id') == BOXB then
1354 local x, y = node_prev(Nq.nuc), Nq.nuc
1355 Nq.first, Nq.nuc, Nq.last = x, x, x
1358 Nq.class = fast_find_char_class('boxbdd', Np.met)
1360 Nq.met = Np.met; Nq.pre = 0; Nq.post = 0; Nq.xspc = 0
1361 Nq.auto_xspc, Nq.auto_kspc = 0, 0
1363 head = node_remove(head, y)
1369 luatexbase.add_to_callback("luatexja.jfmglue.whatsit_getinfo", whatsit_callback,
1370 "luatexja.beginpar.np_info", 1)
1371 luatexbase.add_to_callback("luatexja.jfmglue.whatsit_after", whatsit_after_callback,
1372 "luatexja.beginpar.np_info_after", 1)
1376 luatexja.jfmglue.after_hlist = after_hlist
1377 luatexja.jfmglue.check_box_high = check_box_high