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