local cat_lp = luatexbase.catcodetables['latex-package']
--------------------
-luatexja.base = {}
+local ltjb = {}
+luatexja.base = ltjb
local public_name = 'luatexja'
local public_version = 'alpha'
-luatexja.base.public_name = public_name
-luatexja.base.public_version = public_version
+ltjb.public_name = public_name
+ltjb.public_version = public_version
-------------------- Fully-expandable error messaging
end
return tex.print(unpack(lines))
end
-luatexja.base.mprint = mprint
+ltjb.mprint = mprint
-------------------- Handling of TeX values
do
s.shrink or 0, s.shrink_order or 0))
end
- luatexja.base.to_dimen = to_dimen
- luatexja.base.dump_skip = dump_skip
- luatexja.base.to_skip = to_skip
+ ltjb.to_dimen = to_dimen
+ ltjb.dump_skip = dump_skip
+ ltjb.to_skip = to_skip
end
-------------------- Virtual table for LaTeX counters
function mt_counter.__newindex(tbl, key, val)
tex.count['c@'..key] = val
end
- luatexja.base.counter = counter
+ ltjb.counter = counter
--! ixbase.length は tex.skip と全く同じなので不要.
end
--------------------- Number handling in TeX source
-do
-
- local tok_escape = token.create("ltj@@q@escape")
- local tok_num = token.create("ltj@@q@escapenum")
- local c_id_assign_int = token.command_id("assign_int")
- local c_id_char_given = token.command_id("char_given")
-
- local function error_scan()
- package_error("luatexja",
- "Missing number of a permitted form, treated as zero",
- "A number should have been here; I inserted '0'.")
- end
-
- local function get_expd_next()
- local next = token.get_next()
- while token.is_expandable(next) do
- token.expand(next)
- next = token.get_next()
- end
- return next
- end
-
- local function grab_decimal(next, res)
- table.insert(res, next)
- while true do
- next = get_expd_next()
- if not (next[1] == 12 and 0x30 <= next[2] and next[2] <= 0x39) then
- break
- end
- table.insert(res, next)
- end
- if next[1] == 10 then next = nil end
- return true, next
- end
-
- local function grab_hexa(next, res)
- local ok = false
- table.insert(res, next)
- while true do
- next = get_expd_next()
- if not ((next[1] == 12 and (0x30 <= next[2] and next[2] <= 0x39)) or
- ((next[1] == 12 or next[1] == 11) and
- (0x41 <= next[2] and next[2] <= 0x46))) then
- break
- end
- ok = true
- table.insert(res, next)
- end
- if next[1] == 10 then next = nil end
- return ok, next
- end
-
- local function grab_octal(next, res)
- local ok = false
- table.insert(res, next)
- while true do
- next = get_expd_next()
- if not (next[1] == 12 and (0x30 <= next[2] and next[2] <= 0x37)) then
- break
- end
- ok = true
- table.insert(res, next)
- end
- if next[1] == 10 then next = nil end
- return ok, next
- end
-
- local function grab_charnum(next, res)
- table.insert(res, next)
- next = token.get_next()
- table.insert(res, next)
- next = get_expd_next()
- if next[1] == 10 then next = nil end
- return true, next
- end
-
- local function scan_with(delay, scanner)
- local function proc()
- if delay ~= 0 then
- if delay > 0 then delay = delay - 1 end
- return token.get_next()
- else
- local cont, back = scanner()
- if not cont then
- ltb.remove_from_callback("token_filter", "ltj@grab@num")
- end
- return back
- end
- end
- ltb.add_to_callback("token_filter", proc, "ltj@grab@num", 1)
- end
-
- local function scan_brace()
- scan_with(1, function()
- local next = token.get_next()
- if next[1] == 1 then
- return false, { tok_escape, next }
- elseif next[1] == 10 then
- return true, { next }
- else
- return false, { next }
- end
- end)
- end
-
- local function scan_number()
- scan_with(1, function()
- local next = get_expd_next()
- local res, ok = { tok_num }, false
- while true do
- if next[1] == 12 and (next[2] == 0x2B or next[2] == 0x2D) then
- table.insert(res, next)
- elseif next[1] ~= 10 then
- break
- end
- next = get_expd_next()
- end
- if next[1] == 12 and 0x30 <= next[2] and next[2] <= 0x39 then
- ok, next = grab_decimal(next, res)
- elseif next[1] == 12 and next[2] == 0x22 then
- ok, next = grab_hexa(next, res)
- elseif next[1] == 12 and next[2] == 0x27 then
- ok, next = grab_octal(next, res)
- elseif next[1] == 12 and next[2] == 0x60 then
- ok, next = grab_charnum(next, res)
- elseif next[1] == c_id_assign_int or next[1] == c_id_char_given then
- table.insert(res, next)
- ok, next = true, nil
- end
- if ok then
- table.insert(res, tok_num)
- else
- error_scan()
- res = { tok_escape }
- end
- if next then table.insert(res, next) end
- return false, res
- end)
- end
-
- luatexja.base.scan_brace = scan_brace
- luatexja.base.scan_number = scan_number
-end
-
--------------------- TeX register allocation
--- not used in current LuaTeX-ja
-
-do
- local cmod_base_count = token.create('ltj@@count@zero')[2]
- local cmod_base_attr = token.create('ltj@@attr@zero')[2]
- local cmod_base_dimen = token.create('ltj@@dimen@zero')[2]
- local cmod_base_skip = token.create('ltj@@skip@zero')[2]
-
- local function const_number(name)
- if name:sub(1, 1) == '\\' then name = name:sub(2) end
- return token.create(name)[2]
- end
-
- local function count_number(name)
- if name:sub(1, 1) == '\\' then name = name:sub(2) end
- return token.create(name)[2] - cmod_base_count
- end
-
- local function attribute_number(name)
- if name:sub(1, 1) == '\\' then name = name:sub(2) end
- return token.create(name)[2] - cmod_base_attr
- end
-
- local function dimen_number(name)
- if name:sub(1, 1) == '\\' then name = name:sub(2) end
- return token.create(name)[2] - cmod_base_dimen
- end
-
- local function skip_number(name)
- if name:sub(1, 1) == '\\' then name = name:sub(2) end
- return token.create(name)[2] - cmod_base_skip
- end
-
- luatexja.base.const_number = const_number
- luatexja.base.count_number = count_number
- luatexja.base.attribute_number = attribute_number
- luatexja.base.dimen_number = dimen_number
- luatexja.base.skip_number = skip_number
-end
-
--------------------- mock of debug logger
-if not debug or debug == _G.debug then
- local function no_op() end
- debug = no_op
- package_debug = no_op
- show_term = no_op
- show_log = no_op
- function debug_logger()
- return no_op
- end
-end
-
--------------------- getting next token
-local cstemp = nil
-local function get_cs(s)
- cstemp = token.csname_name(token.get_next())
- tex.sprint(cat_lp,'\\' .. s)
-end
-luatexja.base.get_cs = get_cs
-
-------------------- common error message
do
local function in_unicode(c, admit_math)
end
return c
end
- luatexja.base.in_unicode = in_unicode
+ ltjb.in_unicode = in_unicode
end
-------------------- cache management
end
end
- luatexja.base.load_cache = load_cache
- luatexja.base.save_cache_luc = save_cache_luc
- luatexja.base.save_cache = save_cache
+ ltjb.load_cache = load_cache
+ ltjb.save_cache_luc = save_cache_luc
+ ltjb.save_cache = save_cache
+end
+
+----
+do
+ local tex_set_attr, tex_get_attr = tex.setattribute, tex.getattribute
+ function ltjb.ensure_tex_attr(a, v)
+ if tex_get_attr(a)~=v then
+ tex_set_attr(a, v)
+ end
+ end
+end
+----
+
+ltjb._error_set_break = _error_set_break
+ltjb._error_set_message = _error_set_message
+ltjb._error_show = _error_show
+ltjb._generic_warn_info = _generic_warn_info
+
+ltjb.package_error = package_error
+ltjb.package_warning = package_warning
+ltjb.package_warning_no_line = package_warning_no_line
+ltjb.package_info = package_info
+ltjb.package_info_no_line = package_info_no_line
+
+ltjb.generic_error = generic_error
+ltjb.generic_warning = generic_warning
+ltjb.generic_warning_no_line = generic_warning_no_line
+ltjb.generic_info = generic_info
+ltjb.generic_info_no_line = generic_info_no_line
+
+ltjb.ltj_warning_no_line = ltj_warning_no_line
+ltjb.ltj_error = ltj_error
+
+---- deterministic version of luatexbase.add_to_callback
+function ltjb.add_to_callback(name,fun,description,priority)
+ local priority= priority
+ if priority==nil then
+ priority=#luatexbase.callback_descriptions(name)+1
+ end
+ if(luatexbase.callbacktypes[name] == 3 and
+ priority == 1 and
+ #luatexbase.callback_descriptions(name)==1) then
+ luatexbase.module_warning("luatexbase",
+ "resetting exclusive callback: " .. name)
+ luatexbase.reset_callback(name)
+ end
+ local saved_callback={},ff,dd
+ for k,v in ipairs(luatexbase.callback_descriptions(name)) do
+ if k >= priority then
+ ff,dd= luatexbase.remove_from_callback(name, v)
+ saved_callback[#saved_callback+1]={ff,dd}
+ end
+ end
+ luatexbase.base_add_to_callback(name,fun,description)
+ for _,v in ipairs(saved_callback) do
+ luatexbase.base_add_to_callback(name,v[1],v[2])
+ end
+ return
end
-luatexja.base._error_set_break = _error_set_break
-luatexja.base._error_set_message = _error_set_message
-luatexja.base._error_show = _error_show
-luatexja.base._generic_warn_info = _generic_warn_info
-
-luatexja.base.package_error = package_error
-luatexja.base.package_warning = package_warning
-luatexja.base.package_warning_no_line = package_warning_no_line
-luatexja.base.package_info = package_info
-luatexja.base.package_info_no_line = package_info_no_line
-
-luatexja.base.generic_error = generic_error
-luatexja.base.generic_warning = generic_warning
-luatexja.base.generic_warning_no_line = generic_warning_no_line
-luatexja.base.generic_info = generic_info
-luatexja.base.generic_info_no_line = generic_info_no_line
-
-luatexja.base.ltj_warning_no_line = ltj_warning_no_line
-luatexja.base.ltj_error = ltj_error
-
-luatexja.base.debug = debug
-luatexja.base.package_debug = package_debug
-luatexja.base.debug_logger = debug_logger
-luatexja.base.show_term = show_term
-luatexja.base.show_log = show_log
+-------------------- mock of debug logger
+if not ltjb.out_debug then
+ local function no_op() end
+ ltjb.start_time_measure = no_op
+ ltjb.stop_time_measure = no_op
+ ltjb.out_debug = no_op
+ ltjb.package_debug = no_op
+ ltjb.debug_logger = function() return no_op end
+ ltjb.show_term = no_op
+ ltjb.show_log = no_op
+end
-------------------- all done
-- EOF
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