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104 Commits

Author SHA1 Message Date
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 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
Roberto Ierusalimschy 9e0a8475cd Added 'simplesect' sections to the manual 
'simplesect' encloses the introductory text of sections with
subsections, so that each section either is all text or is all
subsections. (This commit also corrects a small brace error in the
manual and extra spaces/tabs in some other files.)
 2020-04-13 13:42:40 -03:00
Roberto Ierusalimschy 7ccc6d8290 Improvements in the manual 
Several small improvements, in particular a new subsection consolidating
all status codes in the API.
 2020-04-10 15:44:48 -03:00
Roberto Ierusalimschy d7bb8df841 Copyright year changed to 2020 2019-12-27 10:38:53 -03:00
Roberto Ierusalimschy e174f43807 Manual a little more clear about string->number coersions 2019-12-05 12:57:40 -03:00
Roberto Ierusalimschy 5f83fb6582 Details 2019-11-18 14:54:06 -03:00
Roberto Ierusalimschy 679dc72c08 Using 'metavalues' for "metamethods" that are not methods 
Several "metamethods" are not required to be methods (functions),
so it seems clearer not to call them metamethods. The manual now
uses the word 'metavalue' for those values.
 2019-11-08 15:45:55 -03:00
Roberto Ierusalimschy b93f3b00bb Added function 'luaL_buffsub' 2019-10-23 11:10:19 -03:00
Roberto Ierusalimschy 4c32d9300c Several enhancements in the manual 2019-10-23 10:41:47 -03:00
Roberto Ierusalimschy 6c0e44464b Improvements in the manual around metamethods 2019-10-08 10:34:43 -03:00
Roberto Ierusalimschy 03cde80b58 'setCstacklimit' renamed to 'setcstacklimit' 
Function names in the API use only lowercase letters.
 2019-09-24 14:31:06 -03:00
Roberto Ierusalimschy be78aeae4c Default for warnings changed to "off" 
Warnings are mostly a tool to help developers (e.g., by showing hidden
error messages); regular users usually don't need to see them.
 2019-08-20 13:42:26 -03:00