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115 Commits

Author SHA1 Message Date
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
Roberto Ierusalimschy
613513d09f Better documentation for the GC of strings in the C API 
Plus some other small changes.
 2020-09-09 17:28:25 -03:00
Roberto Ierusalimschy
c33b1728ae Details 
Added as incompatibility, in the manual, the extra return of 'io.lines'.
 2020-06-18 11:07:27 -03:00
Roberto Ierusalimschy
69e84805e4 Details 2020-06-10 16:39:37 -03:00
Roberto Ierusalimschy
50523b107d Improvements in the manual 
- more consistent nomenclature for error handling
- more precise definition for dead objects
- added algorithm used by 'math.random'
- added luaL_pushfail
- some other minor changes
 2020-05-29 10:41:32 -03:00
Roberto Ierusalimschy
0ddc0f47bd Several details about 5.4.0 rc1 
Corrected several small details: added 'const', adjusts in tabs x
spaces, removed unused #includes and #defines, misspellings, etc.
 2020-04-23 14:48:15 -03:00