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101 Commits

Author SHA1 Message Date
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
Roberto Ierusalimschy
45948e7e55 Manual corrected with the new syntax for attributes 
Commit 0d52913804, with the change in the syntax of attributes,
did not update the manual accordingly.
 2019-08-16 16:11:21 -03:00
Roberto Ierusalimschy
b96b0b5abb Added macro 'luaL_pushfail' 
The macro 'luaL_pushfail' documents all places in the standard libraries
that return nil to signal some kind of failure. It is defined as
'lua_pushnil'. The manual also got a notation (@fail) to document those
returns. The tests were changed to be agnostic regarding whether 'fail'
is 'nil' or 'false'.
 2019-08-16 14:58:02 -03:00
Roberto Ierusalimschy
ca13be9af7 Supressed errors in '__close' generate warnings 2019-08-16 09:51:54 -03:00