diff options
Diffstat (limited to 'Build/source')
-rw-r--r-- | Build/source/texk/web2c/luatexdir/lua/luatex-core.lua | 426 |
1 files changed, 213 insertions, 213 deletions
diff --git a/Build/source/texk/web2c/luatexdir/lua/luatex-core.lua b/Build/source/texk/web2c/luatexdir/lua/luatex-core.lua index 2f8793893c0..15e0d8c830d 100644 --- a/Build/source/texk/web2c/luatexdir/lua/luatex-core.lua +++ b/Build/source/texk/web2c/luatexdir/lua/luatex-core.lua @@ -1,213 +1,213 @@ --- if not modules then modules = { } end modules ['luatex-core'] = {
--- version = 1.001,
--- comment = 'companion to luatex',
--- author = 'Hans Hagen & Luigi Scarso',
--- copyright = 'LuaTeX Development Team',
--- }
-
-LUATEXCOREVERSION = 1.002
-
--- This file overloads some Lua functions. The readline variants provide the same
--- functionality as LuaTeX <= 1.04 and doing it this way permits us to keep the
--- original io libraries clean. Performance is probably even a bit better now.
-
-local type, next, getmetatable, require = type, next, getmetatable, require
-local find, gsub = string.find, string.gsub
-
-local io_open = io.open
-local io_popen = io.popen
-local io_lines = io.lines
-
-local fio_readline = fio.readline
-local fio_checkpermission = fio.checkpermission
-local fio_recordfilename = fio.recordfilename
-
-local mt = getmetatable(io.stderr)
-local mt_lines = mt.lines
-local saferoption = status.safer_option
-local shellescape = status.shell_escape -- 0 (disabled) 1 (anything) 2 (restricted)
-local kpseused = status.kpse_used -- 0 1
-
-io.saved_open = io_open -- can be protected
--- (deleted for tl17 rebuild) io.saved_popen = io_popen -- can be protected
-io.saved_lines = io_lines -- always readonly
-mt.saved_lines = mt_lines -- always readonly
-
-local function luatex_io_open(name,how)
- if not how then
- how = 'r'
- end
- local f = io_open(name,how)
- if f then
- if type(how) == 'string' and find(how,'w') then
- fio_recordfilename(name,'w')
- else
- fio_recordfilename(name,'r')
- end
- end
- return f
-end
-
-local function luatex_io_open_readonly(name,how)
- if how then
- how = 'r'
- else
- how = gsub(how,'[^rb]','')
- if how == '' then
- how = 'r'
- end
- end
- local f = io_open(name,how)
- if f then
- fio_recordfilename(name,'r')
- end
- return f
-end
-
-local function luatex_io_popen(name,...)
- local okay, found = fio_checkpermission(name)
- if okay and found then
- return io_popen(found,...)
- end
-end
-
-local function luatex_io_lines(name,how)
- if name then
- local f = io_open(name,how or 'r')
- if f then
- return function()
- return fio_readline(f)
- end
- end
- else
- return io_lines()
- end
-end
-
-local function luatex_io_readline(f)
- return function()
- return fio_readline(f)
- end
-end
-
-io.lines = luatex_io_lines
-mt.lines = luatex_io_readline
-
--- We assume management to be provided by the replacement of kpse. This is the
--- case in ConTeXt.
-
-if kpseused == 1 then
-
- io.open = luatex_io_open
- io.popen = luatex_io_popen
-
-end
-
-if saferoption == 1 then
-
- os.execute = nil
- os.spawn = nil
- os.exec = nil
- os.setenv = nil
- os.tempdir = nil
-
- io.popen = nil
- io.open = nil
-
- os.rename = nil
- os.remove = nil
-
- io.tmpfile = nil
- io.output = nil
-
- lfs.chdir = nil
- lfs.lock = nil
- lfs.touch = nil
- lfs.rmdir = nil
- lfs.mkdir = nil
-
- io.saved_open = luatex_io_open_readonly
-
-end
-
-if saferoption == 1 or shellescape ~= 1 then
-
- ffi = require('ffi')
- for k, v in next, ffi do
- if k ~= 'gc' then
- ffi[k] = nil
- end
- end
- ffi = nil
-
-end
-
--- os.[execute|os.spawn|os.exec] already are shellescape aware)
-
-
-if md5 then
-
- local sum = md5.sum
- local gsub = string.gsub
- local format = string.format
- local byte = string.byte
-
- function md5.sumhexa(k)
- return (gsub(sum(k), ".", function(c)
- return format("%02x",byte(c))
- end))
- end
-
- function md5.sumHEXA(k)
- return (gsub(sum(k), ".", function(c)
- return format("%02X",byte(c))
- end))
- end
-
-end
-
-if utilities and utilities.merger and utilities.merger.compact then
-
- local byte, format, gmatch = string.byte, string.format, string.gmatch
- local concat = table.concat
-
- local data = gsub(io.loaddata('luatex-core.lua'),'if%s+utilities.*','')
- local t = { }
- local r = { }
- local n = 0
- local d = gsub(data,'\r\n','\n') -- be nice for unix
- local s = utilities.merger.compact(d) -- no comments and less spaces
-
- t[#t+1] = '/* generated from and by luatex-core.lua */'
- t[#t+1] = ''
- -- t[#t+1] = format('/*\n\n%s\n\n*/',d)
- -- t[#t+1] = ''
- t[#t+1] = '#include "lua.h"'
- t[#t+1] = '#include "lauxlib.h"'
- t[#t+1] = ''
- t[#t+1] = 'int load_luatex_core_lua (lua_State * L);'
- t[#t+1] = ''
- t[#t+1] = 'int load_luatex_core_lua (lua_State * L)'
- t[#t+1] = '{'
- t[#t+1] = ' static unsigned char luatex_core_lua[] = {'
- for c in gmatch(d,'.') do
- if n == 16 then
- n = 1
- t[#t+1] = ' ' .. concat(r,', ') .. ','
- else
- n = n + 1
- end
- r[n] = format('0x%02x',byte(c))
- end
- n = n + 1
- r[n] = '0x00'
- t[#t+1] = ' ' .. concat(r,', ',1,n)
- t[#t+1] = ' };'
- -- t[#t+1] = format('unsigned int luatex_core_lua_len = 0x%x;',#d+1)
- t[#t+1] = ' return luaL_dostring(L, (const char*) luatex_core_lua);'
- t[#t+1] = '}'
-
- io.savedata('luatex-core.c',concat(t,'\n'))
- io.savedata('luatex-core-stripped.lua',s)
-
-end
+-- if not modules then modules = { } end modules ['luatex-core'] = { +-- version = 1.001, +-- comment = 'companion to luatex', +-- author = 'Hans Hagen & Luigi Scarso', +-- copyright = 'LuaTeX Development Team', +-- } + +LUATEXCOREVERSION = 1.002 + +-- This file overloads some Lua functions. The readline variants provide the same +-- functionality as LuaTeX <= 1.04 and doing it this way permits us to keep the +-- original io libraries clean. Performance is probably even a bit better now. + +local type, next, getmetatable, require = type, next, getmetatable, require +local find, gsub = string.find, string.gsub + +local io_open = io.open +local io_popen = io.popen +local io_lines = io.lines + +local fio_readline = fio.readline +local fio_checkpermission = fio.checkpermission +local fio_recordfilename = fio.recordfilename + +local mt = getmetatable(io.stderr) +local mt_lines = mt.lines +local saferoption = status.safer_option +local shellescape = status.shell_escape -- 0 (disabled) 1 (anything) 2 (restricted) +local kpseused = status.kpse_used -- 0 1 + +io.saved_open = io_open -- can be protected +-- (deleted for tl17 rebuild) io.saved_popen = io_popen -- can be protected +io.saved_lines = io_lines -- always readonly +mt.saved_lines = mt_lines -- always readonly + +local function luatex_io_open(name,how) + if not how then + how = 'r' + end + local f = io_open(name,how) + if f then + if type(how) == 'string' and find(how,'w') then + fio_recordfilename(name,'w') + else + fio_recordfilename(name,'r') + end + end + return f +end + +local function luatex_io_open_readonly(name,how) + if how then + how = 'r' + else + how = gsub(how,'[^rb]','') + if how == '' then + how = 'r' + end + end + local f = io_open(name,how) + if f then + fio_recordfilename(name,'r') + end + return f +end + +local function luatex_io_popen(name,...) + local okay, found = fio_checkpermission(name) + if okay and found then + return io_popen(found,...) + end +end + +local function luatex_io_lines(name,how) + if name then + local f = io_open(name,how or 'r') + if f then + return function() + return fio_readline(f) + end + end + else + return io_lines() + end +end + +local function luatex_io_readline(f) + return function() + return fio_readline(f) + end +end + +io.lines = luatex_io_lines +mt.lines = luatex_io_readline + +-- We assume management to be provided by the replacement of kpse. This is the +-- case in ConTeXt. + +if kpseused == 1 then + + io.open = luatex_io_open + io.popen = luatex_io_popen + +end + +if saferoption == 1 then + + os.execute = nil + os.spawn = nil + os.exec = nil + os.setenv = nil + os.tempdir = nil + + io.popen = nil + io.open = nil + + os.rename = nil + os.remove = nil + + io.tmpfile = nil + io.output = nil + + lfs.chdir = nil + lfs.lock = nil + lfs.touch = nil + lfs.rmdir = nil + lfs.mkdir = nil + + io.saved_open = luatex_io_open_readonly + +end + +if saferoption == 1 or shellescape ~= 1 then + + ffi = require('ffi') + for k, v in next, ffi do + if k ~= 'gc' then + ffi[k] = nil + end + end + ffi = nil + +end + +-- os.[execute|os.spawn|os.exec] already are shellescape aware) + + +if md5 then + + local sum = md5.sum + local gsub = string.gsub + local format = string.format + local byte = string.byte + + function md5.sumhexa(k) + return (gsub(sum(k), ".", function(c) + return format("%02x",byte(c)) + end)) + end + + function md5.sumHEXA(k) + return (gsub(sum(k), ".", function(c) + return format("%02X",byte(c)) + end)) + end + +end + +if utilities and utilities.merger and utilities.merger.compact then + + local byte, format, gmatch = string.byte, string.format, string.gmatch + local concat = table.concat + + local data = gsub(io.loaddata('luatex-core.lua'),'if%s+utilities.*','') + local t = { } + local r = { } + local n = 0 + local d = gsub(data,'\r\n','\n') -- be nice for unix + local s = utilities.merger.compact(d) -- no comments and less spaces + + t[#t+1] = '/* generated from and by luatex-core.lua */' + t[#t+1] = '' + -- t[#t+1] = format('/*\n\n%s\n\n*/',d) + -- t[#t+1] = '' + t[#t+1] = '#include "lua.h"' + t[#t+1] = '#include "lauxlib.h"' + t[#t+1] = '' + t[#t+1] = 'int load_luatex_core_lua (lua_State * L);' + t[#t+1] = '' + t[#t+1] = 'int load_luatex_core_lua (lua_State * L)' + t[#t+1] = '{' + t[#t+1] = ' static unsigned char luatex_core_lua[] = {' + for c in gmatch(d,'.') do + if n == 16 then + n = 1 + t[#t+1] = ' ' .. concat(r,', ') .. ',' + else + n = n + 1 + end + r[n] = format('0x%02x',byte(c)) + end + n = n + 1 + r[n] = '0x00' + t[#t+1] = ' ' .. concat(r,', ',1,n) + t[#t+1] = ' };' + -- t[#t+1] = format('unsigned int luatex_core_lua_len = 0x%x;',#d+1) + t[#t+1] = ' return luaL_dostring(L, (const char*) luatex_core_lua);' + t[#t+1] = '}' + + io.savedata('luatex-core.c',concat(t,'\n')) + io.savedata('luatex-core-stripped.lua',s) + +end |