lltjcore.sty, ltj-jfmglue.lua: \linebreak (#37465)

[luatex-ja/luatexja.git] / src / ltj-stack.lua

diff --git a/src/ltj-stack.lua b/src/ltj-stack.lua
index 3427620..c9f80c4 100644 (file)
--- a/src/ltj-stack.lua
+++ b/src/ltj-stack.lua
@@ -3,7 +3,7 @@
 --
 luatexbase.provides_module({
   name = 'luatexja.stack',
-  date = '2014/05/08',
+  date = '2017/05/05',
   description = 'LuaTeX-ja stack system',
 })
 module('luatexja.stack', package.seeall)
@@ -18,6 +18,9 @@ local node_new = node.new
 local id_whatsit = node.id('whatsit')
 local sid_user = node.subtype('user_defined')
 local STCK = luatexja.userid_table.STCK
+local fastcopy = table.fastcopy
+local setcount = tex.setcount
+local scan_int, scan_keyword = token.scan_int, token.scan_keyword
 hmode = 0 -- dummy
 
 charprop_stack_table={};
@@ -33,12 +36,12 @@ function get_stack_level()
       local gd = tex.globaldefs
       if gd~=0 then tex.globaldefs = 0 end
       --  'tex.globaldefs = 0' is local even if \globaldefs > 0.
-      tex.setcount('ltj@@group@level', j)
+      setcount('ltj@@group@level', j)
       for k,v in pairs(charprop_stack_table) do -- clear the stack above i
         if k>=i then charprop_stack_table[k]=nil end
       end
-      charprop_stack_table[i] = table.fastcopy(charprop_stack_table[i-1])
-      tex.setcount('ltj@@stack', i)
+      charprop_stack_table[i] = fastcopy(charprop_stack_table[i-1])
+      setcount('ltj@@stack', i)
       if gd~=0 then tex.globaldefs = gd end
       if  tex.nest[tex.nest.ptr].mode == -hmode then -- rest. hmode のみ
         local g = node_new(id_whatsit, sid_user)
@@ -60,8 +63,11 @@ end
 local set_stack_table = set_stack_table
 
 -- EXT
-function set_stack_perchar(m,c,p,lb,ub)
-   if type(p)~='number' or p<lb or p>ub then
+function set_stack_perchar(m,lb,ub, getter)
+   local c = scan_int()
+   scan_keyword(',')
+   local p = tonumber((getter or scan_int)())
+   if p<lb or p>ub then
       ltjb.package_error('luatexja',
                         "invalid code (".. tostring(p) .. ")",
                         "The code should in the range "..tostring(lb) .. '..' ..
@@ -109,6 +115,10 @@ function set_stack_skip(m,sp)
 end
 
 -- These three functions are used in ltj-jfmglue.lua.
+-- list_dir and orig_char_table are used in other lua files.
+orig_char_table = {}
+list_dir = nil -- dummy
+table_current_stack = nil -- dummy
 function report_stack_level(bsl)
    table_current_stack = charprop_stack_table[bsl]
    return bsl
@@ -129,11 +139,4 @@ function get_stack_table(mc, d, idx)
 end
 
 
---------------------------------------------------------------------------------
--- nest table (obeys TeX's semantic nest)
---------------------------------------------------------------------------------
-nest_table = {}
-local nest_table = nest_table
-
-
 -- EOF