1if not modules then modules = { } end modules ['luat-cnf'] = { 2 version = 1.001, 3 comment = "companion to luat-lib.mkiv", 4 author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", 5 copyright = "PRAGMA ADE / ConTeXt Development Team", 6 license = "see context related readme files" 7} 8 9local type, next, tostring, tonumber = type, next, tostring, tonumber 10local format, concat, find, lower, gsub = string.format, table.concat, string.find, string.lower, string.gsub 11 12local report = logs.reporter("system") 13 14local allocate = utilities.storage.allocate 15 16texconfig.kpse_init = false 17texconfig.shell_escape = 't' 18 19luatex = luatex or { } 20local luatex = luatex 21 22texconfig.error_line = 250 23texconfig.expand_depth = 10000 24texconfig.half_error_line = 125 25texconfig.max_print_line = 100000 26texconfig.max_strings = 500000 27texconfig.hash_extra = 250000 28texconfig.function_size = 32768 29texconfig.properties_size = 10000 30texconfig.max_in_open = 1000 31texconfig.nest_size = 1000 32texconfig.param_size = 25000 33texconfig.save_size = 100000 34texconfig.stack_size = 10000 35texconfig.buf_size = 10000000 36texconfig.fix_mem_init = 1000000 37 38local variablenames = { 39 error_line = false, 40 half_error_line = false, 41 max_print_line = false, 42 max_in_open = false, 43 expand_depth = true, 44 hash_extra = true, 45 nest_size = true, 46 max_strings = true, 47 param_size = true, 48 save_size = true, 49 stack_size = true, 50 function_size = true, 51 properties_size = true, 52 fix_mem_init = true, 53} 54 55local stub = [[ 56 57-- checking 58 59storage = storage or { } 60luatex = luatex or { } 61 62-- we provide our own file handling 63 64texconfig.kpse_init = false 65texconfig.shell_escape = 't' 66---------.start_time = tonumber(os.getenv("SOURCE_DATE_EPOCH")) -- not used in context 67 68-- as soon as possible 69 70luatex.starttime = os.gettimeofday() 71 72-- this will happen after the format is loaded 73 74function texconfig.init() 75 76 -- development 77 78 local builtin, globals = { }, { } 79 80 libraries = { -- we set it here as we want libraries also 'indexed' 81 basiclua = { 82 -- always 83 "string", "table", "coroutine", "debug", "file", "io", "lpeg", "math", "os", "package", 84 -- bonus 85 "bit32", "utf8", 86 }, 87 basictex = { 88 -- always 89 "callback", "font", "lua", "node", "status", "tex", "texconfig", "texio", "token", 90 -- not in luametatex 91 "img", "pdf", "lang", 92 -- in luametatex 93 "language", 94 }, 95 extralua = { 96 -- not in luametatex 97 "unicode", "utf", "gzip", "zip", "zlib", 98 -- in luametatex 99 "xzip", "xmath", "xcomplex", "xdecimal", "basexx", 100 -- maybe some day in luametatex 101 "lz4", "lzo", 102 -- always (mime can go) 103 "lfs","socket", "mime", "md5", "sha2", "fio", "sio", 104 }, 105 extratex = { 106 -- not in luametatex 107 "kpse", 108 -- always 109 "pdfe", "mplib", 110 -- in luametatex 111 "pdfdecode", "pngdecode", 112 }, 113 obsolete = { 114 "epdf", 115 "fontloader", -- can be filled by luat-log 116 "kpse", 117 }, 118 functions = { 119 "assert", "pcall", "xpcall", "error", "collectgarbage", 120 "dofile", "load","loadfile", "require", "module", 121 "getmetatable", "setmetatable", 122 "ipairs", "pairs", "rawequal", "rawget", "rawset", "next", 123 "tonumber", "tostring", 124 "type", "unpack", "select", "print", 125 }, 126 builtin = builtin, -- to be filled 127 globals = globals, -- to be filled 128 } 129 130 for k, v in next, _G do 131 globals[k] = tostring(v) 132 end 133 134 local function collect(t,fnc) 135 local lib = { } 136 for k, v in next, t do 137 if fnc then 138 lib[v] = _G[v] 139 else 140 local keys = { } 141 local gv = _G[v] 142 local tv = type(gv) 143 if tv == "table" then 144 for k, v in next, gv do 145 keys[k] = tostring(v) -- true -- by tostring we cannot call overloads functions (security) 146 end 147 end 148 lib[v] = keys 149 builtin[v] = keys 150 end 151 end 152 return lib 153 end 154 155 libraries.basiclua = collect(libraries.basiclua) 156 libraries.basictex = collect(libraries.basictex) 157 libraries.extralua = collect(libraries.extralua) 158 libraries.extratex = collect(libraries.extratex) 159 libraries.functions = collect(libraries.functions,true) 160 libraries.obsolete = collect(libraries.obsolete) 161 162 -- shortcut and helper 163 164 local setbytecode = lua.setbytecode 165 local getbytecode = lua.getbytecode 166 local callbytecode = lua.callbytecode or function(i) 167 local b = getbytecode(i) 168 if type(b) == "function" then 169 b() 170 return true 171 else 172 return false 173 end 174 end 175 176 local function init(start) 177 local i = start 178 local t = os.clock() 179 while true do 180 -- local b = callbytecode(i) 181 local e, b = pcall(callbytecode,i) 182 if not e then 183 print(string.format("fatal error : unable to load bytecode register %%i, maybe wipe the cache first\n",i)) 184 os.exit() 185 end 186 if b then 187 setbytecode(i,nil) ; 188 i = i + 1 189 else 190 break 191 end 192 end 193 return i - start, os.clock() - t 194 end 195 196 -- the stored tables and modules 197 198 storage.noftables , storage.toftables = init(0) 199 storage.nofmodules, storage.tofmodules = init(%s) 200 201 if modules then 202 local loaded = package.loaded 203 for module, _ in next, modules do 204 loaded[module] = true 205 end 206 end 207 208 texconfig.init = function() end 209 210end 211 212CONTEXTLMTXMODE = 0 213 214-- we provide a qualified path 215 216callback.register('find_format_file',function(name) 217 texconfig.formatname = name 218 return name 219end) 220 221-- done, from now on input and callbacks are internal 222]] 223 224local function makestub() 225 name = name or (environment.jobname .. ".lui") 226 report("creating stub file %a using directives:",name) 227 report() 228 firsttable = firsttable or lua.firstbytecode 229 local t = { 230 "-- this file is generated, don't change it\n", 231 "-- configuration (can be overloaded later)\n" 232 } 233 for v, permitted in table.sortedhash(variablenames) do 234 local d = "luatex." .. gsub(lower(v),"[^%a]","") 235 local dv = directives.value(d) 236 local tv = texconfig[v] 237 if dv then 238 if not tv then 239 report(" %s = %s (%s)",d,dv,"configured") 240 tv = dv 241 elseif not permitted then 242 report(" %s = %s (%s)",d,tv,"frozen") 243 elseif tonumber(dv) >= tonumber(tv) then 244 report(" %s = %s (%s)",d,dv,"overloaded") 245 tv = dv 246 else 247 report(" %s = %s (%s)",d,tv,"preset kept") 248 end 249 elseif tv then 250 report(" %s = %s (%s)",d,tv,permitted and "preset" or "frozen") 251 else 252 report(" %s = <unset>",d) 253 end 254 if tv then 255 t[#t+1] = format("texconfig.%s=%s",v,tv) 256 end 257 end 258 t[#t+1] = "" 259 t[#t+1] = format(stub,firsttable) 260 io.savedata(name,concat(t,"\n")) 261 logs.newline() 262end 263 264lua.registerinitexfinalizer(makestub,"create stub file") 265 |
