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120 Commits

Author SHA1 Message Date
Roberto Ierusalimschy
12b6f610b0 Several tweaks in the garbage collector 
- back with step size in collectgarbage("step")
- adjustments in defaults for some GC parameters
- adjustments in 'luaO_codeparam'
 2023-12-27 12:09:11 -03:00
Roberto Ierusalimschy
e2cc179454 New option "setparms" for 'collectgarbage' 
The generational mode also uses the parameters for the incremental
mode in its major collections, so it should be easy to change those
parameters without having to change the GC mode.
 2023-12-22 14:48:07 -03:00
Roberto Ierusalimschy
666e95a66d Option 0 for step multiplier makes GC non-incremental 2023-12-20 11:06:27 -03:00
Roberto Ierusalimschy
4eda1acafa Cleaner protocol between 'lua_dump' and writer function 
'lua_dump' signals to the writer function the end of a dump, so that
is has more freedom when using the stack.
 2023-12-14 11:41:57 -03:00
Roberto Ierusalimschy
925fe8a0f2 First criteria for shifts minor<->major 2023-12-07 15:45:11 -03:00
Roberto Ierusalimschy
011850a8f8 Details in the manual 2023-11-24 14:44:38 -03:00
Roberto Ierusalimschy
3b57e37e48 Fixed buffers save long strings as external. 2023-11-10 12:35:48 -03:00
Roberto Ierusalimschy
024f9064f1 External strings 
Strings can use external buffers to store their contents.
 2023-11-09 17:05:42 -03:00
Roberto Ierusalimschy
14e416355f Added suport for Fixed Buffers 
A fixed buffer keeps a binary chunk "forever", so that the program
does not need to copy some of its parts when loading it.
 2023-09-05 15:30:45 -03:00
Roberto Ierusalimschy
c815c2f0eb Merge branch 'master' into nextversion 2023-08-23 15:14:03 -03:00
Roberto Ierusalimschy
9363a8b990 Documentation for "LUA_NOENV" 
Registry field "LUA_NOENV" (that signals to libraries that option -E
is on) now part of the "official" API of Lua stand-alone.
 2023-08-23 13:50:38 -03:00
Roberto Ierusalimschy
ab6a949522 Merge branch 'master' into nextversion 2023-06-22 11:41:48 -03:00
Roberto Ierusalimschy
6443185167 "Emergency" new version 5.4.6 
'lua_resetthread' is back to its original signature, to avoid
incompatibilities in the ABI between releases of the same version.
New function 'lua_closethread' added with the "correct" signature.
 2023-05-02 16:41:43 -03:00
Roberto Ierusalimschy
e15f1f2bb7 Details 
Typos in comments and details in the manual.
 2023-04-18 09:44:10 -03:00
Roberto Ierusalimschy
b5c65705ca New year (2023) 
Also, small tweak in makefile. (-Wsign-compare is already enabled by
-Wextra.)
 2023-03-31 11:47:31 -03:00
Roberto Ierusalimschy
86e8039a72 Clock component removed from 'luaL_makeseed' 
'clock' can be quite slow on some machines.
 2023-03-23 16:01:16 -03:00
Roberto Ierusalimschy
5a04f1851e New function 'luaL_makeseed' 
This function unifies code from 'lua_newstate', 'math.randomseed',
and 'table.sort' that tries to create a value with a minimum level
of randomness.
 2023-03-20 16:13:17 -03:00
Roberto Ierusalimschy
b2f7b3b79f Control variables in for loops are read only 2022-12-21 12:04:59 -03:00
Roberto Ierusalimschy
540d805226 Towards Lua 5.5 2022-12-20 13:24:43 -03:00
Roberto Ierusalimschy
1e64c1391f Bug: stack overflow with nesting of coroutine.close 2022-10-25 16:44:06 -03:00
Roberto Ierusalimschy
c954db3924 Option '-l g=mod' added to the manual 
Plus some other improvements in the manual.
 2022-10-19 16:30:39 -03:00
Roberto Ierusalimschy
71bc69c2af Note in the manual about using '...' as an expression 2022-09-08 17:21:02 -03:00
Roberto Ierusalimschy
c6cea857a4 Better documentation for 'multires' expressions 
Manual has a new section explaining multires expressions, lists of
expressions, and adjustments. This commit also corrects some comments
in the code.
 2022-08-19 14:10:18 -03:00
Roberto Ierusalimschy
e435aaabef Details (identation and typos) 2022-05-10 11:13:39 -03:00
Roberto Ierusalimschy
f3cfd5bf2b Details 
Comments + manual + identation + asserts about stack limits that were
not allowing the use of the full stack
 2022-04-01 13:55:44 -03:00
Roberto Ierusalimschy
5d708c3f9c Explanation of borders in the manual 
The explanation includes the limit case of maxinteger being a border.
It also avoids the term "natural", which might include large floats
with natural values.
 2022-01-13 08:15:03 -03:00
Roberto Ierusalimschy
05ac2409ee New year (2022) 2022-01-02 07:11:08 -03:00
Roberto Ierusalimschy
0bfc572e51 Bug: GC is not reentrant 
As the GC is not reentrant, finalizers should not be able to invoke it.
 2021-12-13 10:41:17 -03:00
Roberto Ierusalimschy
6b3e116d44 Corrected bug in 'luaD_tryfuncTM' 
The pointer to the metamethod can be invalidated by a finalizer that
can run during a GC in 'checkstackGCp'. (This commit also fixes a
detail in the manual.) Bug introduced in commit 91673a8ec.
 2021-11-16 14:35:06 -03:00
Roberto Ierusalimschy
87a9573b2e Documentation 
Better explanation about the guaranties of multiple assignment in
the manual.
 2021-10-11 13:49:13 -03:00
Roberto Ierusalimschy
9db4bfed6b Revamp of format validation in 'string.format' 
When calling 'sprintf', not all conversion specifiers accept all
flags; some combinations are undefined behavior.
 2021-09-03 13:14:56 -03:00
Roberto Ierusalimschy
e2c07dcbf7 Improved documentation for 'lua_getinfo' 2021-08-11 11:18:10 -03:00
Roberto Ierusalimschy
8a32e0aa4a Correction on documentation of string-buffer operations 
All string-buffer operations can potentially change the stack in
unspecified ways; the push/pop documentation in the manual should
reflect that.
 2021-07-21 11:33:58 -03:00
Roberto Ierusalimschy
c0ed74c1e1 Avoid the term "undefined behavior" in the manual 2021-06-09 13:24:49 -03:00
Roberto Ierusalimschy
bef250eb8d Details 
Comments and small improvements in the manual.
 2021-03-29 11:47:12 -03:00
Roberto Ierusalimschy
511d53a826 lua_settop/lua_pop closes to-be-closed variables 
The existence of 'lua_closeslot' is no reason for lua_pop not to close
to-be-closed variables too.  It is too error-prone for lua_pop not to
close tbc variables being popped from the stack.
 2021-03-09 11:42:45 -03:00
Roberto Ierusalimschy
e7803f7dbc New release number (5.4.3) 2021-03-03 09:44:20 -03:00
Roberto Ierusalimschy
b7eb21c1ef Normalization of metamethod typography in the manual 2021-03-02 13:50:00 -03:00
Roberto Ierusalimschy
bc970005ce '__close' methods can yield in the return of a C function 
When, inside a coroutine, a C function with to-be-closed slots return,
the corresponding metamethods can yield. ('__close' metamethods called
through 'lua_closeslot' still cannot yield, as there is no continuation
to go when resuming.)
 2021-02-12 13:36:30 -03:00
Roberto Ierusalimschy
6ccd24eff5 Simpler handling of errors when creating tbc variables 
New field 'lua_State.ptbc' keeps to-be-closed variable until its
upvalue is created, so that it can be closed in case of a
memory-allocation error.
 2021-01-19 10:03:13 -03:00
Roberto Ierusalimschy
825ac8eca8 Corrected documentation for 'table.sort' 
The sort function must define a (strict) weak order for a correct
sorting. A partial order is not enough.
 2021-01-14 13:26:55 -03:00
Roberto Ierusalimschy
cc1692515e New API function 'lua_closeslot' 
Closing a to-be-closed variable with 'lua_settop' is too restrictive,
as it erases all slots above the variable. Moreover, it adds side
effects to 'lua_settop', which should be a fairly basic function.
 2021-01-11 15:03:01 -03:00
Roberto Ierusalimschy
0ceada8da9 Report last error in closing methods 
When there are multiple errors around closing methods, report the
last error instead of the original.
 2020-12-22 10:54:25 -03:00
Roberto Ierusalimschy
f9d29b0c44 Upvalues removed from 'openupval' before being closed 
Undo commit c220b0a5d0: '__close' is not called again in case of
errors. (Upvalue is removed from the list before the call.) The
common error that justified that change was C stack overflows, which
are much rarer with the stackless implementation.
 2020-12-21 15:21:45 -03:00
Roberto Ierusalimschy
409256b784 'coroutine.close'/'lua_resetthread' report original errors 
Besides errors in closing methods, 'coroutine.close' and
'lua_resetthread' also consider the original error that stopped the
thread, if any.
 2020-12-18 11:22:42 -03:00
Roberto Ierusalimschy
e2ea3b31c9 Details (do not affect regular code) 
* Avoids multiple definitions of 'lua_assert' in test file.
* Smaller C-stack limit in test mode.
* Note in the manual about the use of false
* Extra test for constant reuse.
 2020-12-07 11:17:30 -03:00
Roberto Ierusalimschy
94cbe46511 Details 
- small corrections in the manual
- ldo.c: 'docall' -> 'ccall' ('docall' already used in 'lua.c')
- comments
 2020-10-30 10:18:54 -03:00
Roberto Ierusalimschy
287b302acb Revision of stackless implementation 
- more organized handling of 'nCcalls'
- comments
- deprecation of 'setcstacklimit'
 2020-10-12 12:29:09 -03:00
Roberto Ierusalimschy
fbaf040f5e Details in the manual 2020-09-25 10:49:29 -03:00
Roberto Ierusalimschy
e51564d1be Details in comments and documentation 2020-09-16 14:57:51 -03:00