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345 Commits

Author SHA1 Message Date
Roberto Ierusalimschy
d3bbb34c24 back to open hashing for the string table (but with a different 
'hnext' field, to strings are still collected like all other
objects)
 2013-09-05 16:31:49 -03:00
Roberto Ierusalimschy
aeff4f79fa local collection now calls finalizers 2013-09-03 12:37:10 -03:00
Roberto Ierusalimschy
1bf4faec64 new GC state to sweep 'localgc' list + small changes in sweep control 2013-08-30 16:14:26 -03:00
Roberto Ierusalimschy
9a871dd3db tables and userdata all go to local list, too 2013-08-28 15:30:26 -03:00
Roberto Ierusalimschy
af35c7f398 upvalues collected by reference count 2013-08-27 15:53:35 -03:00
Roberto Ierusalimschy
742b7377d3 Lua closures go to local, too 2013-08-26 09:41:10 -03:00
Roberto Ierusalimschy
50955e27f5 C functions and strings now go to the local list; first version 
of the local collector
 2013-08-23 10:34:54 -03:00
Roberto Ierusalimschy
0df6635711 "fixed" objects kept in a separated list (instead of being kept in 
'allgc' list with a bit marking them)
 2013-08-21 17:09:51 -03:00
Roberto Ierusalimschy
ae800656c9 change in string table: string table is now independent of GC lists; all 
strings live in 'normal' GC lists
 2013-08-21 16:21:16 -03:00
Roberto Ierusalimschy
439d74e29f added 'local' bit (true => object is only refered by local variables) 2013-08-16 15:55:49 -03:00
Roberto Ierusalimschy
623e388bb4 double-linked list of all upvalues elliminated and changed to a 
traversal of all non-marked threads
 2013-08-07 09:18:11 -03:00
Roberto Ierusalimschy
677d90165f no more generational collection !!! 2013-08-05 13:58:28 -03:00
Roberto Ierusalimschy
c6b6024a9d cast in 'luai_makeseed' now casts to needed type 2012-10-02 14:40:53 -03:00
Roberto Ierusalimschy
b77a90681e typos in comments 2012-05-30 09:33:44 -03:00
Roberto Ierusalimschy
054c20cd5b spaces -> tabs in #defines 2012-05-23 12:37:09 -03:00
Roberto Ierusalimschy
086da10dac merge of fields 'lastmajormem' (used in gen. mode) and 'estimate' 
(used in inc. mode)
 2012-05-22 14:50:39 -03:00
Roberto Ierusalimschy
b36b4b521f try to avoid sweeping new objects created with new white (and 
therefore not collectable in the current cycle)
 2012-05-22 14:32:25 -03:00
Roberto Ierusalimschy
f6a12948ca useless parameter in macro 'luai_makeseed' 2012-05-11 11:06:07 -03:00
Roberto Ierusalimschy
678c1255c9 random seed used in the hash of all strings to avoid intentional 
collisions
 2012-02-01 19:57:15 -02:00
Roberto Ierusalimschy
6d86b937e4 'luaC_separateudata' called from 'luaC_freeallobjects' + removed 
extra 'luaF_close' (already being called by 'close_state')
 2011-10-03 14:54:25 -03:00
Roberto Ierusalimschy
3dc5475e23 'nCcalls' should be local to each thread, as each thread may have its 
own C stack (with LuaThreads or something similar)
 2011-08-23 14:24:34 -03:00
Roberto Ierusalimschy
92afcf2823 no more 'luaH_setstr (used only once) + 'luaH_setint' receives value 
to be set.
 2011-08-09 17:58:29 -03:00
Roberto Ierusalimschy
551b076f1c change in the relationship between totalbytes and GCdebt - luaM_realloc_ 
is too critical to update two counters
 2010-12-20 17:40:07 -02:00
Roberto Ierusalimschy
737f119187 better control for GC running or stopped 2010-12-20 16:17:46 -02:00
Roberto Ierusalimschy
9b7a12c46d finalizers (__gc) for tables 2010-11-26 12:32:31 -02:00
Roberto Ierusalimschy
6828f6d427 new parameter 'majorinc' to control frequency of major collections 
in generational mode
 2010-09-03 11:14:01 -03:00
Roberto Ierusalimschy
dc2b8a0073 detail 2010-04-30 15:36:22 -03:00
Roberto Ierusalimschy
0062db1e06 default PAUSE should be 200 (differences may be corrected in 
internal multiplers)
+ check for unbilt stack equal the one used by lgc.c
 2010-04-30 11:22:23 -03:00
Roberto Ierusalimschy
3410dcd375 new way to control GC speed 2010-04-29 14:35:10 -03:00
Roberto Ierusalimschy
4db6f20770 ensure that 'luai_userstatethread' is always called (even if 
'stack_init' throws a memory error)
 2010-04-19 14:40:13 -03:00
Roberto Ierusalimschy
99a39f6f4a tells the allocation function that the first block is a thread 2010-04-19 13:34:46 -03:00
Roberto Ierusalimschy
afdb19ac82 no more 'ccall' nor 'cpcall' functions. (With light C functions they 
are obsolete.)
 2010-04-14 12:14:21 -03:00
Roberto Ierusalimschy
d20ff60615 new macro LUA_NUMTAGS 2010-04-12 13:07:29 -03:00
Roberto Ierusalimschy
055104f5b6 keep memory-error message in the global state, so that its use 
does not depend on Lua internalizing strings to avoid a string
creation on memory errors
 2010-04-08 14:16:46 -03:00
Roberto Ierusalimschy
6abde1b05a no need to keep "_ENV" name in global state (can be kept in lex state) 2010-04-05 13:35:37 -03:00
Roberto Ierusalimschy
a8d3aa14fd global table now is only kept in the registry 2010-03-29 14:43:14 -03:00
Roberto Ierusalimschy
064e406f67 no more fenvs! 2010-03-26 17:58:11 -03:00
Roberto Ierusalimschy
5c87f61e6b major collections in generational mode 2010-03-25 16:37:23 -03:00
Roberto Ierusalimschy
3aa9598177 'mainthread' is not inserted in the 'allgc' list anymore, but swept 
separately.
 2010-03-25 10:06:36 -03:00
Roberto Ierusalimschy
4433dbb5f5 userdata with finalizers are kept in a separated list ('udgc'), instead 
of at the end of 'rootgc' (which was renamed to 'allgc', as it is not
"root" in the usual meaning for collectors)
 2010-03-24 10:07:01 -03:00
Roberto Ierusalimschy
9c196bebad detail (wrong comment about LUAI_GCPAUSE) 2010-03-22 14:45:55 -03:00
Roberto Ierusalimschy
caf74dd731 'cpcall' renamed to 'ccall' as it does not do a protected call 2010-03-19 18:04:17 -03:00
Roberto Ierusalimschy
22ef84b6c8 '_ENV' name permanently stored in global state for easier access 2010-03-13 12:55:42 -03:00
Roberto Ierusalimschy
f84b575cfa no more pseudoindex LUA_GLOBALSINDEX; global table now accessible 
through registry
 2009-12-22 13:32:50 -02:00
Roberto Ierusalimschy
de6fc75d63 several configuration options that do not change often moved out of 
luaconf.h and into more internal files
 2009-12-17 10:26:09 -02:00
Roberto Ierusalimschy
2af0d3b459 allocator function receives the tag of object being allocated in 'osize' 
when 'ptr' is NULL.
 2009-12-16 14:42:58 -02:00
Roberto Ierusalimschy
15b823ce4f cleaner way to add extra space in a lua state. 2009-12-14 13:27:30 -02:00
Roberto Ierusalimschy
ce444bff33 (huge) simplification of GC management 2009-11-18 11:13:47 -02:00
Roberto Ierusalimschy
5bc91c6405 no more one environment per thread: all threads share a single global 
environment
 2009-10-23 17:12:19 -02:00
Roberto Ierusalimschy
a5382b763c new function lua_copy 2009-10-05 13:44:33 -03:00
Roberto Ierusalimschy
ba21aa8b2b 'cpcall' must ensure correct environment for called function 2009-09-30 17:49:47 -03:00
Roberto Ierusalimschy
bed2cb725a initialize g->estimate (just in case) 2009-09-28 10:50:19 -03:00
Roberto Ierusalimschy
a650378822 'cpcall' reimplemented as a predefined value in the registry 2009-09-21 09:09:52 -03:00
Roberto Ierusalimschy
67cae2854c 'lua_mainthread' replaced by new preregistered value LUA_RIDX_MAINTHREAD 2009-09-17 15:04:21 -03:00
Roberto Ierusalimschy
f76f4cb79d new way to control stack overflow, controling only total size of the stack 2009-07-15 14:26:14 -03:00
Roberto Ierusalimschy
1d6ebce296 new function 'lua_version' (so that 'checkversion' can be implemented 
in the auxiliary library)
 2009-06-18 15:59:18 -03:00
Roberto Ierusalimschy
9423e22aa3 no more L->base + ci->base only for Lua functions (C functions may use 
'func')
 2009-06-01 16:09:26 -03:00
Roberto Ierusalimschy
e091a254df new way to GC stacks: the entire stack must be correct all the times; 
the 'dead' part of a stack (after the top) must have only nil's, so
that 'top' may go up without cleaning the stack.
 2009-04-28 16:04:36 -03:00
Roberto Ierusalimschy
d3037d97ec several small improvements based on 'ci' being fixed now (including 
erasing savedpc from lua_State)
 2009-04-17 19:00:01 -03:00
Roberto Ierusalimschy
c6b442bd36 'luaM_freearray' does not need array type as argument 2009-04-17 11:40:13 -03:00
Roberto Ierusalimschy
4f88418170 'CallInfo' stack implemented as double-linked list instead of an array 2009-04-17 11:28:06 -03:00
Roberto Ierusalimschy
ba484b9eb1 yielding across lua_call (first version) 2009-03-10 14:14:37 -03:00
Roberto Ierusalimschy
d2ebdc045b new macro 'lua_checkversion' to check whether core and application are 
compatible
 2009-02-18 14:20:56 -03:00
Roberto Ierusalimschy
d07abcc6c7 finalizers always called protected 2009-02-17 16:47:58 -03:00
Roberto Ierusalimschy
f94cd2201c better control of call status through CallInfo 2008-08-26 10:27:42 -03:00
Roberto Ierusalimschy
394646891c new field 'status' in CallInfo structure 2008-08-13 14:01:33 -03:00
Roberto Ierusalimschy
0c8f5fc2fd simplification in the handling of finalizers: no more 'tmudata' list + 
no more GCSsweeptmu collector's state
 2008-06-26 16:42:45 -03:00
Roberto Ierusalimschy
e2b366c760 userdata with finalizers are kept in a separated list 2008-02-19 15:55:09 -03:00
Roberto Ierusalimschy
a73930228a more options for 'kinds' of Garbage Collection 2008-02-11 13:45:30 -02:00
Roberto Ierusalimschy
5e8dd55574 first implementation of ephemerons 2007-10-31 13:41:19 -02:00
Roberto Ierusalimschy
0e961ad47a some changes toward ephemerons 2007-10-29 14:51:20 -02:00
Roberto Ierusalimschy
afa0d0ac0d new constant LUA_OK 2006-10-10 14:40:17 -03:00
Roberto Ierusalimschy
a7c9e45c64 avoid trailing white spaces 2006-09-11 11:07:24 -03:00
Roberto Ierusalimschy
93bf618504 BUG: there is only one C stack, so nCcalls must be global 2006-08-15 16:59:20 -03:00
Roberto Ierusalimschy
3ca9af51a4 emergency garbage collector (core forces a GC when allocation fails) 2006-07-11 12:53:29 -03:00
Roberto Ierusalimschy
c408158047 only destroy state after running all finalizers 2006-05-24 11:15:50 -03:00
Roberto Ierusalimschy
d31c04c049 missing macros 'luai_userstate*' 2005-10-06 17:46:25 -03:00
Roberto Ierusalimschy
361a9adba7 smaller initial tables (for programs that create many states) 2005-09-20 14:55:53 -03:00
Roberto Ierusalimschy
39cdbce23e no more '-w' option + new way to check module existence 2005-08-25 12:39:16 -03:00
Roberto Ierusalimschy
eca9fa02d2 small improvement 2005-06-03 17:16:16 -03:00
Roberto Ierusalimschy
6cf85dcc90 metatables for all types 2005-05-05 12:34:03 -03:00
Roberto Ierusalimschy
9768e2f681 detail 2005-04-05 12:57:59 -03:00
Roberto Ierusalimschy
7b6c3b463e small optimizations 2005-04-05 10:41:29 -03:00
Roberto Ierusalimschy
390256edf7 better name for GC pause 2005-03-22 13:04:29 -03:00
Roberto Ierusalimschy
d872090248 small errors in previous `ci' of luaconf.h. 2005-03-18 15:55:45 -03:00
Roberto Ierusalimschy
d3a6d95b9a more cleaning on configurations 2005-03-18 15:02:04 -03:00
Roberto Ierusalimschy
d55bb795fa details 2005-02-23 14:30:22 -03:00
Roberto Ierusalimschy
4df8800a01 cleaner way to free all objects 2005-02-10 11:25:02 -02:00
Roberto Ierusalimschy
334ba8132b cleaner way to remark open upvalues 2005-01-18 15:18:09 -02:00
Roberto Ierusalimschy
5be517602e no more generational collector (and no more `noinc' mode) 2005-01-14 12:19:42 -02:00
Roberto Ierusalimschy
e2498e079e change in hash algorithm so that it does not need empty slot 
(tables can be 100% full)
 2005-01-05 16:20:51 -02:00
Roberto Ierusalimschy
65726f3e2e cleaner interface to `ltable' 2005-01-04 13:55:12 -02:00
Roberto Ierusalimschy
c6254dceff a different option for the GC 2004-12-13 10:15:11 -02:00
Roberto Ierusalimschy
39a8082f50 more options for controling the GC 2004-12-06 15:53:42 -02:00
Roberto Ierusalimschy
0e002005b1 better names for `luaM_free...' macros 2004-11-24 17:20:21 -02:00
Roberto Ierusalimschy
6f1ea817f5 better control over memory-size overflows 2004-11-19 13:52:40 -02:00
Roberto Ierusalimschy
bd38017ddf small optimization for table size in machines with double allignment 2004-10-06 15:34:16 -03:00
Roberto Ierusalimschy
2419f2bf02 cleaner API for coroutines 2004-09-15 17:39:42 -03:00
Roberto Ierusalimschy
0de2065f4e tighter tests for stack overflow 2004-09-08 11:23:09 -03:00
Roberto Ierusalimschy
0b06241483 better control for GC cycles 2004-08-30 10:44:44 -03:00
Roberto Ierusalimschy
32d4f304db first implementation of generational GC 2004-08-24 17:12:06 -03:00
Roberto Ierusalimschy
359840c2f8 new coroutines inherit hook from creator 2004-06-17 11:25:31 -03:00
Roberto Ierusalimschy
dba17070ac optional error for accesss to undefined variables/fields 2004-06-17 11:06:52 -03:00
Roberto Ierusalimschy
118e471fa0 details 2004-06-02 16:09:36 -03:00
Roberto Ierusalimschy
616438fe9a new way to use vararg' parameters (with ...') 2004-05-31 15:51:50 -03:00
Roberto Ierusalimschy
b4cd38ba6c new scheme for configuration through `luaconf.h' 2004-04-30 17:13:38 -03:00
Roberto Ierusalimschy
29a13b4128 detail 2004-03-23 13:38:43 -03:00
Roberto Ierusalimschy
a4e1230f95 better way to control open upvalues 2004-03-15 18:04:33 -03:00
Roberto Ierusalimschy
2aaf7394ad more and better tools (assertions & inspectors) to check incremental GC 2004-02-16 16:09:52 -03:00
Roberto Ierusalimschy
beb2aa5a46 atomic operations are not GC "states" 2003-12-12 16:29:34 -02:00
Roberto Ierusalimschy
47fc57a252 TObject' renamed to TValue' + other name changes and better assertions 
for incremental garbage collection
 2003-12-10 10:13:36 -02:00
Roberto Ierusalimschy
fe595a45c2 `grayagain' list 2003-12-04 16:52:23 -02:00
Roberto Ierusalimschy
9db1942bac sweep of strings also incremental 2003-12-04 15:22:42 -02:00
Roberto Ierusalimschy
c6eac44a94 two different white flags (to distinguish dead elements from new ones) 2003-12-03 18:03:07 -02:00
Roberto Ierusalimschy
8878554b85 single list for all collectible objects, with udata separated at the 
end of the list
 2003-12-03 10:30:41 -02:00
Roberto Ierusalimschy
af850484a9 default metatable can be NULL 2003-12-01 16:22:56 -02:00
Roberto Ierusalimschy
1d10acb355 incremental GC phases 2003-12-01 14:33:30 -02:00
Roberto Ierusalimschy
366e4af3c9 towards incremental GC 2003-11-18 12:55:11 -02:00
Roberto Ierusalimschy
b97fb932ec Lua kernel does not use malloc/free functions. 2003-10-02 17:31:17 -03:00
Roberto Ierusalimschy
7dae7899b1 main thread and global state are allocated in a single block 2003-09-04 17:19:07 -03:00
Roberto Ierusalimschy
522407e23a we do not need a default panic (that does nothing anyway...) 2003-07-16 17:51:47 -03:00
Roberto Ierusalimschy
fa26d294ae new way to control `pc' of running functions 2003-07-16 17:49:02 -03:00
Roberto Ierusalimschy
0d88545b82 warnings from several compilers (mainly typecasts when lua_Number is float) 2003-04-03 10:35:34 -03:00
Roberto Ierusalimschy
ab9e062928 name changes to avoid name collision between macros and variables 2003-03-18 09:50:04 -03:00
Roberto Ierusalimschy
69dd9461e5 bug: GC metamethod calls could mess C/Lua stack syncronization 2003-02-28 16:45:15 -03:00
Roberto Ierusalimschy
e75a6ae9ee `defaultmeta' is always empty, but registry needs some space for 
names and numbers (references)
 2003-02-13 14:07:57 -02:00
Roberto Ierusalimschy
6f207b15fb resist errors in finalizers during lua_close 2003-02-10 15:32:50 -02:00
Roberto Ierusalimschy
754c630754 details 2002-12-19 11:21:08 -02:00
Roberto Ierusalimschy
27c6b4d422 each .c file defines its own name 2002-12-04 15:38:31 -02:00
Roberto Ierusalimschy
2d2d45976c separated control over C recursion level 2002-11-22 15:16:52 -02:00
Roberto Ierusalimschy
ddc144e4d2 keep L->ci->base in L->base for faster access 2002-11-21 13:16:04 -02:00
Roberto Ierusalimschy
d404f0c276 global_State must be deallocated (and so allocated) with NULL also 
(otherwise it trys to decrement inside itself after its own free)
 2002-11-21 12:14:42 -02:00
Roberto Ierusalimschy
be762f38bd better organization of "malloc responsabilities" 2002-11-19 12:12:13 -02:00
Roberto Ierusalimschy
43013b39cc new representation for hooks (to allow asynchronous calls to sethook) 2002-11-18 09:01:55 -02:00
Roberto Ierusalimschy
41fd639cab documentation for write barriers 2002-11-14 14:15:53 -02:00
Roberto Ierusalimschy
2f91f95d94 better control over GCObjects 2002-11-13 09:32:26 -02:00
Roberto Ierusalimschy
e356a43dc0 C needs "union" (unlike C++) 2002-10-25 18:30:00 -03:00
Roberto Ierusalimschy
96e15b8501 threads now are real Lua objects, subject to garbage collection 2002-10-25 17:05:28 -03:00
Roberto Ierusalimschy
81bc5711a8 only one instance of registry and default metatable per global state 2002-10-22 14:58:14 -03:00
Roberto Ierusalimschy
b3d0682fb9 use of different buffers for scanner and concatenation 2002-10-08 15:46:08 -03:00
Roberto Ierusalimschy
fdafd4f4a8 new structure for collectable objects, sharing a common header 2002-08-30 16:09:21 -03:00
Roberto Ierusalimschy
ecc7769de2 names... 2002-08-16 17:00:28 -03:00
Roberto Ierusalimschy
5016f43aa4 (much) cleaner way to control function states 2002-08-07 16:22:39 -03:00
Roberto Ierusalimschy
a2fa48a570 new (old?) error handling scheme 2002-08-06 12:32:22 -03:00
Roberto Ierusalimschy
8b2b8790b5 small bug: basic `ci' must have a valid func (base - 1) 2002-08-05 15:45:45 -03:00
Roberto Ierusalimschy
4e23699aa6 new implementation for error handling 2002-08-05 14:36:24 -03:00
Roberto Ierusalimschy
e5146fb01f CallInfo has different fields for C functions and Lua functions 2002-07-16 11:26:56 -03:00
Roberto Ierusalimschy
39b2d58c39 new interface for debug hooks 2002-07-08 15:21:33 -03:00
Roberto Ierusalimschy
1dbe708aa8 new protocol for error handling 2002-06-18 12:19:27 -03:00
Roberto Ierusalimschy
000d081fd0 warnings from other compilers 2002-06-06 15:17:33 -03:00