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- Subject: Re: [ANN] LuaJIT-2.0.0-beta1
- From: Steven Johnson <steve@...>
- Date: Sun, 1 Nov 2009 03:36:57 -0600
I'm running into some issue with module() and / or environments. The
attached file is a dump of the package
table, just before an error gets thrown: "attempt to index global
'widgetops' (a nil value)".
All the standard libs (Lua libs, bit, jit, etc.) look like they
install correctly, on startup.
I first put a wrapper around module(), so I can debug without messing
with package.seeall or caching functions:
local _G = _G
local getfenv = getfenv
local getmetatable = getmetatable
local loaded = package.loaded
local setfenv = setfenv
local setmetatable = setmetatable
local type = type
-- Extend the module function.
local old_module = module
local imports = { gprintf_temp_at = true, messagef = true, printf =
true, vardump = true }
function module (name, ...)
old_module(name, ...)
local mtable = loaded[name]
local meta = getmetatable(mtable) or {}
local index = meta.__index
local itype = type(index)
function meta.__index (t, k)
if imports[k] then
return _G[k]
elseif itype == "function" then
return index(t, k)
elseif itype == "table" then
return index[k]
end
end
setmetatable(mtable, meta)
setfenv(2, getfenv())
end
This seems to work fine in LJ1 and stock Lua. If I skip this step the
error I'm describing here doesn't
seem to happen, but I then run into something else. :(
Next I start loading module files. I use module() but instead of
require() just loadfile() these files in order
and read the globals they emit. It may be relevant that my loader
setfenv()'s each chunk with a table I
provide, which is _G in all pre-error cases.
I first load up some base Lua modules: coroutine_ex, coroutineops,
varops, and a few more. These all
look okay.
I then load up some C++ modules via luaL_register(), and this seems
fine, as evidenced by math_ex.
At this point I go back Lua-side and something odd happens: effect,
graphicshelpers, list, etc. and finally
the offending widgetops are loaded. These do not look okay: each one
inserts itself into the previous table,
as seen about a third of the way down the file.
Their functions, on the other hand, inject themselves into _G (this is
most of the stuff from the
beginning of the file up to the "_G = CYCLE..." part).
So the roles seem to get reversed.
Any ideas? What seems most odd to me is the change from before to
after the luaL_register()...
table: {
config = "\
;
?
!
-"
cpath = ".\?.dll;c:\Repositories\Icebreakers\game\release\?.dll;c:\Repositories\Icebreakers\game\release\loadall.dll"
loaded = {
_G = {
AddAfter = function: 0x031084fc
AnimTexture = function: 0x0311573c
Append = function: 0x0300159c
AttachToRoot = function: 0x0301783c
AugmentSignal = function: 0x0310c97c
Back = function: 0x0300b3bc
BackToFrontIter = function: 0x0301435c
BoxInBox = function: 0x03000bfc
BoxIntersection = function: 0x03100d3c
BoxesIntersect = function: 0x03000b9c
ButtonStyleRender = function: 0x030178bc
Choose = function: 0x03101fbc
ChooseMulti = function: 0x0310577c
ClampIn = function: 0x03100dbc
Clear = function: 0x030167dc
DefineOwnedWidget = function: 0x0310cc7c
Diagnostics = function: 0x0300007c
DrawString = function: 0x03017b1c
FrontToBackIter = function: 0x0301147c
GetSize = function: 0x0300b4bc
GetSortedKeys = function: 0x03107f3c
GetSortedKeys_ = function: 0x03107f3c
GetStringOps = function: 0x0310d1bc
InRange = function: 0x03015d3c
Insert = function: 0x030167fc
IsEmpty = function: 0x0301683c
LatticeUV = function: 0x031151fc
ListenToTasks = function: 0x0301799c
Load = function: 0x031007bc
Messager = userdata: 0x030136b4
MultiPicture = function: 0x031157bc
NamedListSorter = function: 0x030162bc
Next = function: 0x0300b49c
Picture = function: 0x030152fc
PointInBox = function: 0x03000edc
Prev = function: 0x0301417c
PurgeAttachList = function: 0x030179dc
RangeOverlap = function: 0x03000efc
Rect = function: 0x03000afc
Remove = function: 0x031088bc
RemoveFrom = function: 0x03112f7c
Root = function: 0x0301685c
RotateIndex = function: 0x03015cfc
RotateIndexInRange = function: 0x03015d1c
SetLocalRect = function: 0x030179fc
SortPairs = function: 0x03015d5c
StateSwitch = function: 0x03017a1c
StringGetH = function: 0x03017b9c
StringGetW = function: 0x03017c5c
StringSize = function: 0x03017bfc
SwapIf = function: 0x03015d7c
Texture = function: 0x0301531c
Trapezoid = function: 0x03015d9c
XOR = function: 0x03015dbc
_G = CYCLE, table: 0x02070ea0
_VERSION = "Lua 5.1"
assert = function: fast#2
bUsingJIT = true
bit = {
arshift = function: fast#70
band = function: fast#73
bnot = function: fast#66
bor = function: fast#74
bswap = function: fast#67
bxor = function: fast#75
lshift = function: fast#68
rol = function: fast#71
ror = function: fast#72
rshift = function: fast#69
tobit = function: fast#65
tohex = function: fast#76
} (table: 0x020759d8)
class = {
Define = function: 0x03188efc
Exists = function: 0x0300897c
GetMember = function: 0x0300899c
Hidden = {
} (table: 0x03106a3c)
IsInstance = function: 0x030089bc
IsType = function: 0x03106fbc
Linearization = function: 0x03106ffc
New = function: 0x0310713c
NewArray = function: 0x0310717c
SuperCons = function: 0x0310707c
Supers = function: 0x031071bc
Type = function: 0x031071fc
_M = CYCLE, table: 0x03106bbc
_NAME = "class"
_PACKAGE = ""
} (table: 0x03106bbc)
collectgarbage = function: fast#27
coroutine = {
create = function: fast#32
resume = function: fast#34
running = function: fast#31
status = function: fast#30
wrap = function: fast#36
yield = function: fast#33
} (table: 0x020729e0)
coroutine_ex = {
Create = function: 0x031860fc
Reset = function: 0x031047fc
_M = CYCLE, table: 0x031045fc
_NAME = "coroutine_ex"
_PACKAGE = ""
} (table: 0x031045fc)
coroutineops = {
Wait = function: 0x030073bc
WaitForMultipleSignals = function: 0x031056bc
WaitForSignal = function: 0x0300745c
WaitUntil = function: 0x0300747c
WaitUntil_Method = function: 0x0300749c
WaitWhile = function: 0x030074bc
WaitWhile_Method = function: 0x030074dc
_M = CYCLE, table: 0x0310557c
_NAME = "coroutineops"
_PACKAGE = ""
} (table: 0x0310557c)
debug = {
debug = function: fast#144
getfenv = function: fast#135
gethook = function: fast#143
getinfo = function: fast#137
getlocal = function: fast#138
getmetatable = function: fast#133
getregistry = function: fast#132
getupvalue = function: fast#140
setfenv = function: fast#136
sethook = function: fast#142
setlocal = function: fast#139
setmetatable = function: fast#134
setupvalue = function: fast#141
traceback = function: fast#145
} (table: 0x02075510)
dofile = function: fast#25
effect = {
_M = CYCLE, table: 0x03114dbc
_NAME = "effect"
_PACKAGE = ""
graphicshelpers = {
_M = CYCLE, table: 0x0311563c
_NAME = "graphicshelpers"
_PACKAGE = ""
list = {
_M = CYCLE, table: 0x031027bc
_NAME = "list"
_PACKAGE = ""
nondeterminism_ops = {
_M = CYCLE, table: 0x03109c3c
_NAME = "nondeterminism_ops"
_PACKAGE = ""
numericops = {
_M = CYCLE, table: 0x031007fc
_NAME = "numericops"
_PACKAGE = ""
opbuilders = {
_M = CYCLE, table: 0x03107a7c
_NAME = "opbuilders"
_PACKAGE = ""
skewheap = {
_M = CYCLE, table: 0x0310867c
_NAME = "skewheap"
_PACKAGE = ""
widgetops = {
_M = CYCLE, table: 0x0310c5bc
_NAME = "widgetops"
_PACKAGE = ""
} (table: 0x0310c5bc)
} (table: 0x0310867c)
} (table: 0x03107a7c)
} (table: 0x031007fc)
} (table: 0x03109c3c)
} (table: 0x031027bc)
} (table: 0x0311563c)
} (table: 0x03114dbc)
error = function: fast#19
funcops = {
Call = function: 0x030041bc
CallMethod = function: 0x030041dc
CallOrGet = function: 0x030041fc
GetLastTraceback = function: 0x0300447c
GetTimeLapseFunc = function: 0x0300443c
Identity = function: 0x0300423c
Identity_1 = function: 0x0300425c
NoOp = function: 0x0300427c
Proxy = function: 0x031027fc
SetTimeLapseFunc = function: 0x03102a3c
SetTracebackFunc = function: 0x031003fc
StoreTraceback = function: 0x03100e7c
WithResource = function: 0x031028bc
_M = CYCLE, table: 0x0310207c
_NAME = "funcops"
_PACKAGE = ""
} (table: 0x0310207c)
gcinfo = function: fast#26
getfenv = function: fast#6
getmetatable = function: fast#4
gprintf_temp_at = function: 0x031000bc
io = {
close = function: fast#111
flush = function: fast#114
input = function: fast#117
lines = function: fast#116
open = function: fast#109
output = function: fast#118
popen = function: fast#120
read = function: fast#112
stderr = file (0x728c1bb8)
stdin = file (0x728c1b78)
stdout = file (0x728c1b98)
tmpfile = function: fast#110
type = function: fast#119
write = function: fast#113
} (table: 0x02073ad0)
ipairs = function: fast#18
iterators = {
APairs = function: 0x0310053c
CachedCallback = function: 0x0310033c
IPairsR = function: 0x03001b9c
IPairsThenItem = function: 0x03100c3c
ItemThenIPairs = function: 0x0310087c
_M = CYCLE, table: 0x03102abc
_NAME = "iterators"
_PACKAGE = ""
} (table: 0x03102abc)
jit = {
arch = "x86"
attach = function: fast#150
flush = function: fast#148
off = function: fast#147
on = function: fast#146
opt = {
start = function: fast#161
} (table: 0x020766a0)
status = function: fast#149
util = {
funcbc = function: fast#152
funcinfo = function: fast#151
funck = function: fast#153
funcuvname = function: fast#154
traceexitstub = function: fast#160
traceinfo = function: fast#155
traceir = function: fast#156
tracek = function: fast#157
tracemc = function: fast#159
tracesnap = function: fast#158
} (table: 0x02076168)
version = "LuaJIT 2.0.0-beta1"
version_num = 20000
} (table: 0x02075ee8)
load = function: fast#24
loadfile = function: fast#23
loadstring = function: fast#22
math = {
abs = function: fast#37
acos = function: fast#48
asin = function: fast#47
atan = function: fast#49
atan2 = function: fast#57
ceil = function: fast#39
cos = function: fast#45
cosh = function: fast#51
deg = function: fast#55
exp = function: fast#43
floor = function: fast#38
fmod = function: fast#60
frexp = function: fast#53
huge = 1.#INF
ldexp = function: fast#58
log = function: fast#41
log10 = function: fast#42
max = function: fast#62
min = function: fast#61
mod = function: fast#60
modf = function: fast#54
pi = 3.1415926535898
pow = function: fast#59
rad = function: fast#56
random = function: 0x0301111c
randomseed = function: 0x0301113c
sin = function: fast#44
sinh = function: fast#50
sqrt = function: fast#40
tan = function: fast#46
tanh = function: fast#52
} (table: 0x02074a88)
math_ex = {
AABoxSegmentIntersectEx = function: 0x0301117c
BQF = function: 0x0301119c
CapsuleSegmentIntersect = function: 0x030111dc
CosSin = function: 0x030111fc
LookAt = function: 0x0301123c
PointInSphere = function: 0x0301127c
RBy = function: 0x0301137c
Rand = function: 0x0301133c
SegmentsIntersect = function: 0x030112bc
SphereSegmentIntersectEx = function: 0x030112dc
SpheresIntersect = function: 0x030112fc
UPQuadSegmentIntersect = function: 0x0301131c
} (table: 0x0310ecbc)
messagef = function: 0x030000bc
module = function: 0x0310127c
newproxy = function: fast#28
next = function: fast#15
os = {
clock = function: fast#127
date = function: fast#128
difftime = function: fast#130
execute = function: fast#121
exit = function: fast#126
getenv = function: fast#125
remove = function: fast#122
rename = function: fast#123
setlocale = function: fast#131
time = function: fast#129
tmpname = function: fast#124
} (table: 0x02073ff8)
package = CYCLE, table: 0x02072d30
pairs = function: fast#16
pcall = function: fast#20
print = function: fast#29
printf = function: 0x0300013c
rawequal = function: fast#10
rawget = function: fast#8
rawset = function: fast#9
require = function: 0x02073258
select = function: fast#12
setfenv = function: fast#7
setmetatable = function: fast#5
string = {
byte = function: fast#78
char = function: fast#79
dump = function: fast#85
find = function: fast#86
format = function: fast#91
gfind = function: fast#89
gmatch = function: fast#89
gsub = function: fast#90
len = function: fast#77
lower = function: fast#83
match = function: fast#87
rep = function: fast#81
reverse = function: fast#82
sub = function: fast#80
upper = function: fast#84
} (table: 0x02074468)
table = {
concat = function: fast#98
foreach = function: fast#93
foreachi = function: fast#92
getn = function: fast#94
insert = function: fast#96
maxn = function: fast#95
remove = function: fast#97
sort = function: fast#99
} (table: 0x020732b8)
table_ex = {
Clear = function: 0x0300591c
Copy = function: 0x0300597c
CopyK = function: 0x030059dc
CullingForEach = function: 0x03005a1c
DeepCopy = function: 0x03103cbc
Equal = function: 0x03103d3c
Find = function: 0x03005bbc
FindNot = function: 0x03005bfc
Find_N = function: 0x03005bdc
ForEach = function: 0x03005c1c
ForEachI_Cond = function: 0x03103d7c
ForEachKV = function: 0x03005c3c
GetFields = function: 0x03103dfc
GetKeys = function: 0x03005d1c
MakeSet = function: 0x03005d3c
Map = function: 0x03103e3c
MapArrayEx = function: 0x03103e7c
MapK = function: 0x03005dfc
MapKV = function: 0x03103ebc
Move = function: 0x03103efc
SubTablesOnDemand = function: 0x031041bc
Weak = function: 0x031041fc
WithBoundTable = function: 0x0310427c
_M = CYCLE, table: 0x03103b7c
_NAME = "table_ex"
_PACKAGE = ""
} (table: 0x03103b7c)
tonumber = function: fast#13
tostring = function: fast#14
type = function: fast#3
unpack = function: fast#11
vardump = {
Print = function: 0x03100bbc
SetDefaultOutf = function: 0x03100abc
_M = CYCLE, table: 0x031076fc
_NAME = "vardump"
_PACKAGE = ""
} (table: 0x031076fc)
varops = {
ClearAndRecache = function: 0x030025bc
ClearRange = function: 0x0300259c
CollectArgsInto = function: 0x0300253c
HasMeta = function: 0x030023bc
IsCallable = function: 0x0300241c
IsCountable = function: 0x0300247c
IsInteger = function: 0x0300249c
IsNaN = function: 0x030024dc
SwapMember = function: 0x0300257c
UnpackAndClear = function: 0x0300261c
UnpackClearAndRecache = function: 0x0300267c
_M = CYCLE, table: 0x03101dbc
_NAME = "varops"
_PACKAGE = ""
} (table: 0x03101dbc)
xpcall = function: fast#21
} (table: 0x02070ea0)
bit = CYCLE, table: 0x020759d8
class = CYCLE, table: 0x03106bbc
coroutine = CYCLE, table: 0x020729e0
coroutine_ex = CYCLE, table: 0x031045fc
coroutineops = CYCLE, table: 0x0310557c
debug = CYCLE, table: 0x02075510
effect = CYCLE, table: 0x03114dbc
funcops = CYCLE, table: 0x0310207c
graphicshelpers = CYCLE, table: 0x0311563c
io = CYCLE, table: 0x02073ad0
iterators = CYCLE, table: 0x03102abc
jit = CYCLE, table: 0x02075ee8
jit.opt = CYCLE, table: 0x020766a0
jit.util = CYCLE, table: 0x02076168
list = CYCLE, table: 0x031027bc
math = CYCLE, table: 0x02074a88
math_ex = CYCLE, table: 0x0310ecbc
nondeterminism_ops = CYCLE, table: 0x03109c3c
numericops = CYCLE, table: 0x031007fc
opbuilders = CYCLE, table: 0x03107a7c
os = CYCLE, table: 0x02073ff8
package = CYCLE, table: 0x02072d30
skewheap = CYCLE, table: 0x0310867c
strict = true
string = CYCLE, table: 0x02074468
table = CYCLE, table: 0x020732b8
table_ex = CYCLE, table: 0x03103b7c
vardump = CYCLE, table: 0x031076fc
varops = CYCLE, table: 0x03101dbc
widgetops = CYCLE, table: 0x0310c5bc
} (table: 0x02071f50)
