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[luatex-ja/luatexja.git] / src / luatexja-core.sty
index c4c7fba..dc51b7a 100644 (file)
@@ -65,7 +65,7 @@
   \expandafter\let\csname ifltj@in@latex\expandafter\endcsname
     \csname iftrue\endcsname
   \NeedsTeXFormat{LaTeX2e}
-  \ProvidesPackage{luatexja-core}[2014/09/24 Core of LuaTeX-ja]
+  \ProvidesPackage{luatexja-core}[2015/11/03 Core of LuaTeX-ja]
 \fi                             %</LaTeX>
 
 %% Load prerequisite packages.
@@ -73,7 +73,7 @@
 \newif\ifltj@everyhook@avail\ltj@everyhook@availfalse
 %! 外部パッケージは普通の \endlinechar で読まないと危険.
 \ifltj@in@latex                 %<*LaTeX>
-  \RequirePackage{luaotfload} [2013/05/10] % v2.2
+  \RequirePackage{luaotfload} [2013/12/31] % v2.3
   \RequirePackage{ltxcmds}    [2011/11/09] % v1.22
   \RequirePackage{pdftexcmds} [2011/11/29] % v0.20
   \RequirePackage{xkeyval}    [2012/10/14] % v2.6b
@@ -92,7 +92,7 @@
 %% Check if LuaTeX is used
 \ltx@LocalExpandAfter\ifx\csname directlua\endcsname\relax
   % Loading is silently aborted, since the notice of the wrong
-  % engine is aldready shown in otfluaload.
+  % engine is already shown in luaotfload.
   \ltj@core@AtEnd
 \expandafter\endinput\fi\relax
 
 
 \newluatexattribute\ltj@dir
 \newlanguage\ltj@@japanese
-\ltj@dir=0
-\ltj@icflag=0
-\ltj@origchar=0
-\ltj@charclass=0
-\ltj@curjfnt=-1
-\ltj@curtfnt=-1
+\ltj@dir\z@
+\ltj@icflag\z@
+\ltj@origchar\z@
+\ltj@charclass\z@
+\ltj@curjfnt\m@ne
+\ltj@curtfnt\m@ne
 
 %%%%%%%% Attributes for character ranges
 \newcount\ltj@tempcnta
-\ltj@tempcnta=0
+\ltj@tempcnta\z@
 \loop\ifnum\ltj@tempcnta<7
   \expandafter\newluatexattribute%
     \csname ltj@kcat\the\ltj@tempcnta\endcsname
   \csname ltj@kcat\the\ltj@tempcnta\endcsname=0
-  \advance\ltj@tempcnta by1
+  \advance\ltj@tempcnta\@ne
 \repeat
 
 
 \protected\def\ltj@@q@escapenum{\ltj@@q@escapenum@}
 
 \directlua{%
-  luatexja = {}
+  luatexja = {};
+  luatexja.lang_ja = \the\ltj@@japanese;
   dofile(assert(kpse.find_file('luatexja.lua', 'tex'),
       "File `luatexja.lua' not found"))
 }
 \def\RequireLuaTeXjaSubmodule#1{%
   \@ifnextchar[{\ltj@requirelua@submod{#1}}{\ltj@requirelua@submod{#1}[]}}
 \def\ltj@requirelua@submod#1[#2]{%
-  \directlua{luatexja.load_module(
-    "\luatexluaescapestring{#1}")}}
+  \directlua{luatexja.load_module("\luatexluaescapestring{#1}")}}
 
 
 %%%%%%%% Load all sub-packages.
 \fi                             %</LaTeX>
 
 %%%%%%%% \asluastring
-\def\asluastring#1{'\luaescapestring{\detokenize{#1}}'}
+\def\asluastring#1{'\luatexluaescapestring{\detokenize{#1}}'}
 
 %%%%%%%% Redefine \/
 \protected\def\/{\relax\directlua{luatexja.jfont.append_italic()}}
 
 %%%%%%%% \jfont\CS={...:...;jfm=metric;...}, \globaljfont
-\protected\def\jfont{%
-  \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false, 'yoko')}}
-\protected\def\globaljfont{%
-  \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true,  'yoko')}}
-\def\ltj@@jfont{\directlua{luatexja.jfont.jfontdefY()}}
+\protected\def\jfont#1{%
+  \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false, 'yoko','\luatexluaescapestring{\noexpand#1}')}}
+\protected\def\globaljfont#1{%
+  \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true,  'yoko','\luatexluaescapestring{\noexpand#1}')}}
+\ifdefined\newluafunction
+  \newluafunction\ltj@@jfont@inner
+  \directlua{
+    local t = lua.get_functions_table()
+    t[\the\ltj@@jfont@inner] = luatexja.jfont.jfontdefY
+  }
+  \def\ltj@@jfont{\luafunction\ltj@@jfont@inner}
+\else
+  \def\ltj@@jfont{\directlua{luatexja.jfont.jfontdefY()}}
+\fi
 
 %%%%%%%% \tfont\CS={...:...;jfm=metric;...}, \globaltfont
-\protected\def\tfont{%
-  \afterassignment\ltj@@tfont\directlua{luatexja.jfont.jfontdefX(false, 'tate')}}
-\protected\def\globaltfont{%
-  \afterassignment\ltj@@tfont\directlua{luatexja.jfont.jfontdefX(true,  'tate')}}
-\def\ltj@@tfont{\directlua{luatexja.jfont.jfontdefY()}}
+\protected\def\tfont#1{%
+  \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false, 'tate','\luatexluaescapestring{\noexpand#1}')}}
+\protected\def\globaltfont#1{%
+  \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true,  'tate','\luatexluaescapestring{\noexpand#1}')}}
 
 %%%%%%%% \zw, \zh
-\protected\def\zw{\directlua{tex.setdimen('ltj@zw', luatexja.jfont.get_zw())}\ltj@zw}
-\protected\def\zh{\directlua{tex.setdimen('ltj@zh', luatexja.jfont.get_zh())}\ltj@zh}
+\ifdefined\newluafunction
+  \newluafunction\ltj@zw@inner
+  \newluafunction\ltj@zh@inner
+  \directlua{
+    local t, setdimen, ltjf = lua.get_functions_table(), tex.setdimen, luatexja.jfont
+    t[\the\ltj@zw@inner] = function() setdimen('ltj@zw', ltjf.get_zw()) end
+    t[\the\ltj@zh@inner] = function() setdimen('ltj@zh', ltjf.get_zh()) end
+  }
+  \protected\def\zw{\luafunction\ltj@zw@inner\ltj@zw}
+  \protected\def\zh{\luafunction\ltj@zh@inner\ltj@zh}
+\else
+  \protected\def\zw{\directlua{tex.setdimen('ltj@zw', luatexja.jfont.get_zw())}\ltj@zw}
+  \protected\def\zh{\directlua{tex.setdimen('ltj@zh', luatexja.jfont.get_zh())}\ltj@zh}
+\fi
 
 %%%%%%%% \inhibitglue
-\protected\def\ltj@reset@globaldefs{%
-  \directlua{luatexja.global_temp = tex.globaldefs; tex.globaldefs = 0}}
-\protected\def\ltj@restore@globaldefs{\directlua{tex.globaldefs = luatexja.global_temp}\relax}
-\protected\def\inhibitglue{\ifhmode\ltj@@ihb\fi}
-\def\ltj@@ihb{\relax\directlua{luatexja.jfmglue.create_inhibitglue_node()}}
+\ifdefined\newluafunction
+  \newluafunction\ltj@reset@globaldefs@inner
+  \newluafunction\ltj@restore@globaldefs@inner
+  \newluafunction\ltj@@ihb@inner
+  \directlua{
+    local t = lua.get_functions_table()
+    t[\the\ltj@reset@globaldefs@inner] 
+       = function() luatexja.global_temp = tex.globaldefs; tex.globaldefs = 0 end
+    t[\the\ltj@restore@globaldefs@inner] 
+       = function() tex.globaldefs = luatexja.global_temp end
+    t[\the\ltj@@ihb@inner] = luatexja.jfmglue.create_inhibitglue_node
+  }
+  \protected\def\ltj@reset@globaldefs{\luafunction\ltj@reset@globaldefs@inner}
+  \protected\def\ltj@restore@globaldefs{\luafunction\ltj@restore@globaldefs@inner}
+  \protected\def\inhibitglue{\ifhmode\relax\luafunction\ltj@@ihb@inner\fi}
+\else
+  \protected\def\ltj@reset@globaldefs{%
+    \directlua{luatexja.global_temp = tex.globaldefs; tex.globaldefs = 0}}
+  \protected\def\ltj@restore@globaldefs{\directlua{tex.globaldefs = luatexja.global_temp}\relax}
+  \protected\def\inhibitglue{\ifhmode\ltj@@ihb\fi}
+  \def\ltj@@ihb{\relax\directlua{luatexja.jfmglue.create_inhibitglue_node()}}
+\fi
 
 %%%%%%%% \ltjdefcharrange<name>{100-200,3000-,5000,...}
 \protected\def\ltjdefcharrange#1#2{%
 \setbox\z@\box\voidb@x
 
 % prebreakpenalty = {<char_code>, <penalty>}
-\define@key[ltj]{japaram}{kcatcode}{%
-  \expandafter\ltj@@set@stack#1:{KCAT}{0}{0x7FFFFFFF}}
-\define@key[ltj]{japaram}{prebreakpenalty}{%
-  \expandafter\ltj@@set@stack#1:{PRE}{-10000}{10000}}
-\define@key[ltj]{japaram}{postbreakpenalty}{%
-  \expandafter\ltj@@set@stack#1:{POST}{-10000}{10000}}
-\def\ltj@@set@stack#1,#2:#3#4#5{%
-  \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.#3,
-    \ltj@safe@num@or{nil}{#1},\ltj@safe@num@or{nil}{#2},#4,#5)}}
+\define@key[ltj]{japaram}{kcatcode}{\ltj@@set@stack{KCAT}{0}{0x7FFFFFFF}#1\relax}
+\define@key[ltj]{japaram}{prebreakpenalty}{\ltj@@set@stack{PRE}{-10000}{10000}#1\relax}
+\define@key[ltj]{japaram}{postbreakpenalty}{\ltj@@set@stack{POST}{-10000}{10000}#1\relax}
+\def\ltj@@set@stack#1#2#3{%
+  \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.#1,#2,#3)}}
+%\def\ltj@@set@stack#1,#2:#3#4#5{%
+%  \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.#3,
+%    \ltj@safe@num@or{nil}{#1},\ltj@safe@num@or{nil}{#2},#4,#5)}}
 
 % jatextfont = {<char_code>, <font_cs>}
 % only horizontal font is supported
   \expandafter\ltj@@set@stackfont#1:{MJSS}}
 \protected\def\ltj@@set@stackfont#1,#2:#3{%
   \ltj@reset@globaldefs
-  \ltj@tempcnta=\ltj@curjfnt\ltj@curjfnt=-1 #2%
-  \ifnum\ltj@curjfnt=-1
+  \ltj@tempcnta=\ltj@curjfnt\ltj@curjfnt\m@ne#2%
+  \ifnum\ltj@curjfnt=\m@ne
     \@PackageError{luatexja-core}%
     {\string#2 is not a control sequence that represents \MessageBreak
      a Japanese font}{}%
   \ltj@restore@globaldefs
   }
 
-% yalbaselineshift = <dimen>
+% {y,t}{ja,al}baselineshift = <dimen>
 % yjabaselineshift = <dimen>
 \define@key[ltj]{japaram}{yalbaselineshift}{%
   \directlua{tex.setattribute(luatexja.isglobal,
-    luatexbase.attributes['ltj@yablshift'],
-    \ltj@safe@dimen@or\ltj@defdimen{#1})}}
+    luatexbase.attributes['ltj@yablshift'], luatexja.token.scan_dimen())}#1\relax}
 \define@key[ltj]{japaram}{yjabaselineshift}{%
   \directlua{tex.setattribute(luatexja.isglobal,
-    luatexbase.attributes['ltj@ykblshift'],
-    \ltj@safe@dimen@or\ltj@defdimen{#1})}}
-% talbaselineshift = <dimen>
-% tjabaselineshift = <dimen>
+    luatexbase.attributes['ltj@ykblshift'], luatexja.token.scan_dimen())}#1\relax}
 \define@key[ltj]{japaram}{talbaselineshift}{%
   \directlua{tex.setattribute(luatexja.isglobal,
-    luatexbase.attributes['ltj@tablshift'],
-    \ltj@safe@dimen@or\ltj@defdimen{#1})}}
+    luatexbase.attributes['ltj@tablshift'], luatexja.token.scan_dimen())}#1\relax}
 \define@key[ltj]{japaram}{tjabaselineshift}{%
   \directlua{tex.setattribute(luatexja.isglobal,
-    luatexbase.attributes['ltj@tkblshift'],
-    \ltj@safe@dimen@or\ltj@defdimen{#1})}}
+    luatexbase.attributes['ltj@tkblshift'], luatexja.token.scan_dimen())}#1\relax}
 
 % jaxspmode = {<char_code>, <mode>}
 % mode: inhibit, preonly, postonly, allow
   \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
   \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
   \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
-  \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.XSP,
-    \ltj@safe@num@or{nil}{#1},
-    \ltj@safe@num@or{nil}{\ltj@temp},0,3)}}
+  \ltj@@set@stack{XSP}03#1 \ltj@temp}
 
 % alxspmode = {<char_code>, <mode>}
 % mode: inhibit, preonly, postonly, allow
 %    or       0        1         2      3
 \define@key[ltj]{japaram}{alxspmode}{%        \inhibitxspcode
-  \expandafter\ltj@set@alxspmode#1:\relax}
-\def\ltj@set@alxspmode#1,#2:{%
-  \lowercase{\edef\ltj@temp{#2}}%
-  \def\ltj@tempa{inhibit}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{0}\fi
-  \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
-  \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
-  \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
-  \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.XSP,
-    \ltj@safe@num@or{nil}{#1},
-    \ltj@safe@num@or{nil}{\ltj@temp},0,3)}}
+  \expandafter\ltj@set@jaxspmode#1:\relax}% same code as jaxspmode
 
 % autospacing = <bool> (default: true)
 \define@boolkey[ltj]{japaram}{autospacing}[true]{%
   \ifltj@japaram@autospacing
-    \directlua{luatexja.ext_print_global()}\ltj@autospc=1
+    \directlua{luatexja.ext_print_global()}\ltj@autospc\@ne
   \else
-    \directlua{luatexja.ext_print_global()}\ltj@autospc=0
+    \directlua{luatexja.ext_print_global()}\ltj@autospc\z@
   \fi}
 
 % autoxspacing = <bool> (default: true)
 \define@boolkey[ltj]{japaram}{autoxspacing}[true]{%
   \ifltj@japaram@autoxspacing
-    \directlua{luatexja.ext_print_global()}\ltj@autoxspc=1
+    \directlua{luatexja.ext_print_global()}\ltj@autoxspc\@ne
   \else
-    \directlua{luatexja.ext_print_global()}\ltj@autoxspc=0
+    \directlua{luatexja.ext_print_global()}\ltj@autoxspc\z@
   \fi}
 
-% [x]]kanjiskip = <dimen>
-\define@key[ltj]{japaram}{kanjiskip}{\ltjsetkanjiskip{#1}}
-\define@key[ltj]{japaram}{xkanjiskip}{\ltjsetxkanjiskip{#1}}
-\protected\def\ltjsetkanjiskip#1{%                  % SKIP
-  \directlua{%
-    local d = \ltj@safe@glue{#1}
-    luatexja.stack.set_stack_skip(luatexja.stack_table_index.KSK, d); node.free(d)
-}\ignorespaces}
-\protected\def\ltjsetxkanjiskip#1{%                  % SKIP
-  \directlua{%
-    local d = \ltj@safe@glue{#1}
-    luatexja.stack.set_stack_skip(luatexja.stack_table_index.XSK, d); node.free(d)
-}\ignorespaces}
-
-
+% [x]]kanjiskip = <skip>
+\define@key[ltj]{japaram}{kanjiskip}{\ltjsetkanjiskip#1}
+\define@key[ltj]{japaram}{xkanjiskip}{\ltjsetxkanjiskip#1}
+\ifdefined\newluafunction
+  \newluafunction\ltjsetkanjiskip@inner
+  \newluafunction\ltjsetxkanjiskip@inner
+  \directlua{
+    local t, scan_glue = lua.get_functions_table(), luatexja.token.scan_glue
+    local sss, sti = luatexja.stack.set_stack_skip, luatexja.stack_table_index
+    t[\the\ltjsetkanjiskip@inner] = function()
+      local d = scan_glue(); sss(sti.KSK, d); node.free(d)
+    end
+    t[\the\ltjsetxkanjiskip@inner] = function()
+      local d = scan_glue(); sss(sti.XSK, d); node.free(d)
+    end
+  }
+  \protected\def\ltjsetkanjiskip{\luafunction\ltjsetkanjiskip@inner}
+  \protected\def\ltjsetxkanjiskip{\luafunction\ltjsetxkanjiskip@inner}
+\else
+  \protected\def\ltjsetkanjiskip{%                  % SKIP
+    \directlua{%
+      local d = luatexja.token.scan_glue()
+      luatexja.stack.set_stack_skip(luatexja.stack_table_index.KSK, d); node.free(d)
+  }}
+  \protected\def\ltjsetxkanjiskip{%                  % SKIP
+    \directlua{%
+      local d = luatexja.token.scan_glue()
+      luatexja.stack.set_stack_skip(luatexja.stack_table_index.XSK, d); node.free(d)
+  }}
+\fi
 % jcharwidowpenalty = <count>
 \define@key[ltj]{japaram}{jcharwidowpenalty}{%      %COUNT
-  \ltj@@set@stack0,#1:{JWP}{-10000}{10000}}
+  \ltj@@set@stack{JWP}{-10000}{10000}\z@#1 }
 
 % differentjfm = { large | small | average | pleft | pright | paverage | both}
 \define@choicekey*+[ltj]{japaram}{differentjfm}[\ltj@temp\ltj@tempr]%
 %%%%%%%% \ltjalchar<number>, \ltjjachar<number>
 \let\ltj@@origchar=\char
 \protected\def\ltj@alljachar{\relax
-    \csname ltj@kcat0\endcsname=0
-    \csname ltj@kcat1\endcsname=0
-    \csname ltj@kcat2\endcsname=0
-    \csname ltj@kcat3\endcsname=0
-    \csname ltj@kcat4\endcsname=0
-    \csname ltj@kcat5\endcsname=0
-    \csname ltj@kcat6\endcsname=0 }
+    \csname ltj@kcat0\endcsname\z@
+    \csname ltj@kcat1\endcsname\z@
+    \csname ltj@kcat2\endcsname\z@
+    \csname ltj@kcat3\endcsname\z@
+    \csname ltj@kcat4\endcsname\z@
+    \csname ltj@kcat5\endcsname\z@
+    \csname ltj@kcat6\endcsname\z@}
 \protected\def\ltj@allalchar{\relax
     \csname ltj@kcat0\endcsname="7FFFFFFF %"
     \csname ltj@kcat1\endcsname="7FFFFFFF %"
     \csname ltj@kcat6\endcsname="7FFFFFFF }%"
 
 \protected\def\ltjjachar{\afterassignment\ltj@@jachar\ltj@tempcnta}
-\def\ltj@@jachar{{\directlua{tex.globaldefs = 0}\ltj@alljachar\ltj@@origchar\ltj@tempcnta}}
+\def\ltj@@jachar{{\directlua{tex.globaldefs=0}\ltj@alljachar\ltj@@origchar\ltj@tempcnta}}
 \protected\def\ltjalchar{\afterassignment\ltj@@alchar\ltj@tempcnta}
-\def\ltj@@alchar{{\directlua{tex.globaldefs = 0}\ltj@allalchar\ltj@@origchar\ltj@tempcnta}}
+\def\ltj@@alchar{{\directlua{tex.globaldefs=0}\ltj@allalchar\ltj@@origchar\ltj@tempcnta}}
 
 %%%%%%%% \ltjsetmathletter<number>, \ltjunsetmathletter<number>
 \protected\def\ltjsetmathletter#1{%
-  \ltj@tempcnta=#1
-  \directlua{luatexja.math.is_math_letters[\the\ltj@tempcnta]=true}%
+  \directlua{luatexja.math.is_math_letters[luatexja.token.scan_int()]=true}#1\relax
 }
 \protected\def\ltjunsetmathletter#1{%
-  \ltj@tempcnta=#1
-  \directlua{luatexja.math.is_math_letters[\the\ltj@tempcnta]=false}%
+  \directlua{luatexja.math.is_math_letters[luatexja.token.scan_int()]=false}#1\relax
 }
 
 %%%%%%%% \ltjdeclarealtfont<base_font_cs><alt_font_cs>{100-200,3000-,5000,...}
 % いつも global
 \def\ltj@@getjfontnumber#1{% result in \ltj@tempcntc
   \ltj@reset@globaldefs
-  \begingroup\ltj@curjfnt=-1 \ltj@curtfnt=-1\relax
+  \begingroup\ltj@curjfnt\m@ne\ltj@curtfnt\m@ne\relax
   #1\directlua{luatexja.__temp = -(\the\ltj@curjfnt)*(\the\ltj@curtfnt)}\endgroup
   \ltj@tempcntc=\directlua{tex.sprint(luatexja.__temp)}\relax
-  \ifnum\ltj@tempcntc=-1
+  \ifnum\ltj@tempcntc=\m@ne
     \@PackageError{luatexja-core}%
     {\string#1 is not a control sequence that represents \MessageBreak
      a Japanese font}{I'll use the current horizontal Japanese font instead.^^J}%
 }
 \setbox\z@\box\voidb@x
 \ifltj@everyhook@avail% using everyhook package
-  \PushPreHook{hbox}{%
-    \directlua{luatexja.direction.set_list_direction_hook()}%
-    \aftergroup\ltj@@reset@badness
-  }
-  \PushPreHook{vbox}{%
-    \directlua{luatexja.direction.set_list_direction_hook()}%
-    \aftergroup\ltj@@reset@badness
-  }
+  \ifdefined\newluafunction
+    \newluafunction\ltj@@box@dirhook
+    \directlua{
+      local t, ltjd = lua.get_functions_table(), luatexja.direction
+      t[\the\ltj@@box@dirhook] 
+        = function() ltjd.set_list_direction_hook() end
+    }
+  \PushPreHook{hbox}{\luafunction\ltj@@box@dirhook\aftergroup\ltj@@reset@badness}
+  \PushPreHook{vbox}{\luafunction\ltj@@box@dirhook\aftergroup\ltj@@reset@badness}
+  \else
+    \PushPreHook{hbox}{%
+      \directlua{luatexja.direction.set_list_direction_hook()}%
+      \aftergroup\ltj@@reset@badness
+    }
+    \PushPreHook{vbox}{%
+      \directlua{luatexja.direction.set_list_direction_hook()}%
+      \aftergroup\ltj@@reset@badness
+    }
+  \fi
 \else
   \let\ltj@@everyhbox=\everyhbox\let\ltj@@everyvbox=\everyvbox
   \newtoks\ltj@@i@everyhbox\newtoks\ltj@@i@everyvbox
   \let\everyhbox=\ltj@@i@everyhbox\let\everyvbox=\ltj@@i@everyvbox
-  \ltj@@everyhbox{%
-    \directlua{luatexja.direction.set_list_direction_hook()}%
-    \aftergroup\ltj@@reset@badness
-    \the\ltj@@i@everyhbox}
-  \ltj@@everyvbox{%
-    \directlua{luatexja.direction.set_list_direction_hook()}%
-    \aftergroup\ltj@@reset@badness
-    \the\ltj@@i@everyvbox}
+  \ifdefined\newluafunction
+    \newluafunction\ltj@@box@dirhook
+    \directlua{
+      local t, ltjd = lua.get_functions_table(), luatexja.direction
+      t[\the\ltj@@box@dirhook] 
+        = function() ltjd.set_list_direction_hook() end
+    }
+    \ltj@@everyhbox{\luafunction\ltj@@box@dirhook
+      \aftergroup\ltj@@reset@badness\the\ltj@@i@everyhbox}
+    \ltj@@everyvbox{\luafunction\ltj@@box@dirhook
+      \aftergroup\ltj@@reset@badness\the\ltj@@i@everyvbox}
+  \else
+    \ltj@@everyhbox{%
+      \directlua{luatexja.direction.set_list_direction_hook()}%
+      \aftergroup\ltj@@reset@badness
+      \the\ltj@@i@everyhbox}
+    \ltj@@everyvbox{%
+      \directlua{luatexja.direction.set_list_direction_hook()}%
+      \aftergroup\ltj@@reset@badness
+      \the\ltj@@i@everyvbox}
+  \fi
+\fi
+
+\ifdefined\newluafunction
+  \newluafunction\ltj@@reset@badness@inner
+  \directlua{
+    local t = lua.get_functions_table()
+    t[\the\ltj@@reset@badness@inner] = function() 
+      if luatexja.global_temp then
+        tex.hbadness= tex.hbadness or luatexja.hbadness_temp
+        tex.vbadness= tex.vbadness or luatexja.vbadness_temp
+        tex.globaldefs= luatexja.global_temp or tex.globaldefs
+      end
+    end}
+  \protected\def\ltj@@reset@badness{\luafunction\ltj@@reset@badness@inner}
+\else
+  \protected\def\ltj@@reset@badness{%
+    \directlua{%
+      if luatexja.global_temp then
+        tex.hbadness= tex.hbadness or luatexja.hbadness_temp
+        tex.vbadness= tex.vbadness or luatexja.vbadness_temp
+        tex.globaldefs= luatexja.global_temp or tex.globaldefs
+      end
+    }%
+  }
 \fi
 
-\protected\def\ltj@@reset@badness{%
-  \directlua{%
-    if luatexja.global_temp then
-      tex.hbadness= tex.hbadness or luatexja.hbadness_temp
-      tex.vbadness= tex.vbadness or luatexja.vbadness_temp
-      tex.globaldefs= luatexja.global_temp or tex.globaldefs
-    end
-  }%
-}
 \AtBeginShipout{\directlua{luatexja.direction.finalize()}}
 
 %%%% \raise, \lower, \moveleft, \moveright
 }
 
 %%%%%%%% \ltjgetwd<box_num> etc.
-\def\ltj@@getwd#1{%
-  \directlua{luatexja.direction.get_box_dim('width', \the\numexpr#1\relax)}%
-  \ltj@tempdima%
-}
-\def\ltj@@getht#1{%
-  \directlua{luatexja.direction.get_box_dim('height', \the\numexpr#1\relax)}%
-  \ltj@tempdima%
-}
-\def\ltj@@getdp#1{%
-  \directlua{luatexja.direction.get_box_dim('depth', \the\numexpr#1\relax)}%
-  \ltj@tempdima%
-}
+\def\ltj@@getwd{%
+  \directlua{luatexja.direction.get_box_dim('width', luatexja.token.scan_int())}}
+\def\ltj@@getht{%
+  \directlua{luatexja.direction.get_box_dim('height', luatexja.token.scan_int())}}
+\def\ltj@@getdp{%
+  \directlua{luatexja.direction.get_box_dim('depth', luatexja.token.scan_int())}}
 \let\ltjgetwd=\ltj@@getwd\let\ltjgetht=\ltj@@getht\let\ltjgetdp=\ltj@@getdp
 
 %%%%%%%% \ltjsetwd<box_num>=<dimen> etc.
-\protected\def\ltjsetwd{\begingroup
-  \ltj@reset@globaldefs\afterassignment\ltj@@setwd@a\ltj@tempcnta}
-\def\ltj@@setwd@a{\afterassignment\ltj@@setwd@b\ltj@tempdima}
-\def\ltj@@setwd@b{%
-  \directlua{luatexja.direction.set_box_dim('width')}%
-  \ltj@restore@globaldefs\endgroup}
-\protected\def\ltjsetht{\begingroup
-  \ltj@reset@globaldefs\afterassignment\ltj@@setht@a\ltj@tempcnta}
-\def\ltj@@setht@a{\afterassignment\ltj@@setht@b\ltj@tempdima}
-\def\ltj@@setht@b{%
-  \directlua{luatexja.direction.set_box_dim('height')}%
-  \ltj@restore@globaldefs\endgroup}
-\protected\def\ltjsetdp{\begingroup
-  \ltj@reset@globaldefs\afterassignment\ltj@@setdp@a\ltj@tempcnta}
-\def\ltj@@setdp@a{\afterassignment\ltj@@setdp@b\ltj@tempdima}
-\def\ltj@@setdp@b{%
-  \directlua{luatexja.direction.set_box_dim('depth')}%
-  \ltj@restore@globaldefs\endgroup}
+\protected\def\ltjsetwd{\directlua{luatexja.direction.set_box_dim('width')}}
+\protected\def\ltjsetht{\directlua{luatexja.direction.set_box_dim('height')}}
+\protected\def\ltjsetdp{\directlua{luatexja.direction.set_box_dim('depth')}}
 
 %%------------------ Load module for the format