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Author SHA1 Message Date
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 5ab6a5756b Bug: Wrong line number for function calls 2023-08-23 13:49:27 -03:00
Roberto Ierusalimschy 9b4f39ab14 More disciplined use of 'getstr' and 'tsslen' 
We may want to add other string variants in the future; this change
documents better where the code may need to handle those variants.
 2023-08-17 15:59:28 -03:00
Roberto Ierusalimschy f4211a5ea4 More control over encoding of test files 
The few UTF-8 test files are commented as such, and there is only one
non UTF-8 test file (to test non UTF-8 sources).
 2023-08-17 10:42:56 -03:00
Roberto Ierusalimschy 1b3f507f62 Bug: Call hook may be called twice when count hook yields 
Took the opportunity and moved the code that controls call hooks
in 'luaV_execute' into a function.
 2023-07-25 16:50:44 -03:00
Roberto Ierusalimschy 6b51133a98 Thread stacks resized in the atomic phase 
Although stack resize can be a little expensive, it seems unusual to
have too many threads needing resize during one GC cycle. On the other
hand, the change allows full collections to skip the propagate phase,
going straight from a pause to the atomic phase.
 2023-07-13 14:55:46 -03:00
Roberto Ierusalimschy cbae016202 Details 2023-07-03 14:12:54 -03:00
Roberto Ierusalimschy ab6a949522 Merge branch 'master' into nextversion 2023-06-22 11:41:48 -03:00
Roberto Ierusalimschy ea39042e13 Removed redundancy in definitions of version/release 
String rendering now derived from the numeric original definitions.
 2023-06-21 15:04:24 -03:00
Roberto Ierusalimschy 05ec55f16b Avoid inclusion loop in 'ltm.h' 2023-06-16 11:52:14 -03:00
Roberto Ierusalimschy f623b96932 Bug: read overflow in 'l_strcmp' 
Equality according to 'strcoll' does not imply that strings have
the same length.
 2023-06-14 14:38:07 -03:00
Roberto Ierusalimschy 9be74ccc21 Several functions turned 'static' 
Several functions that were already being used only inside their
own file have been declared as 'static'.
 2023-05-22 14:47:54 -03:00
Roberto Ierusalimschy 09f3c2372f Option '-l' discards version sufix from file name 
Like 'require', the command-line option '-l' discards an optional
version suffix (everything after an hyphen) from a file name when
creating the module name.
 2023-05-15 13:46:38 -03:00
Roberto Ierusalimschy c197885cb0 Small improvements in tests 2023-05-15 10:20:13 -03:00
Roberto Ierusalimschy 934e77a286 Details 
- Better comments about short strings in opcodes.
- luaH_newkey made static.
 2023-05-15 10:07:25 -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 7ca8105a2e More orderliness in casts of enumerations 2023-03-27 16:29:39 -03:00
Roberto Ierusalimschy 94689ac3ad More regularity in uses of enums in 'lcode.c' 2023-03-24 15:52:03 -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 ab859fe59b Bug: Loading a corrupted binary file can segfault 
The size of the list of upvalue names are stored separated from the
size of the list of upvalues, but they share the same array.
 2023-03-17 15:52:09 -03:00
Roberto Ierusalimschy c4b71b7ba0 Details 
Comments in 'onelua.c'
 2023-03-09 11:12:11 -03:00
Roberto Ierusalimschy 1de2f31694 Corrected support for 16-bit systems 
We still need access to a 16-bit system to correctly test
these changes.
 2023-03-09 11:10:04 -03:00
Roberto Ierusalimschy 02bab9fc25 Bug: Wrong line in error message for arith. errors 
It also causes 'L->top' to be wrong when the error happens,
triggering an 'assert'.
 2023-02-08 14:15:41 -03:00
Roberto Ierusalimschy 5e08b41567 Simpler definition for LUA_STRFTIMEOPTIONS 
There is no need for those intermediate definitions.
 2023-02-07 10:48:39 -03:00
Roberto Ierusalimschy 8c064fdc23 Merge branch 'master' into nextversion 2023-02-02 13:47:28 -03:00
Roberto Ierusalimschy cf08915d62 New macro LUA_USE_IOS 
Do not try to detect automatically whether system is iOS; it is
simpler and more reliable to let the programmer inform that.
 2023-02-02 13:43:41 -03:00
Roberto Ierusalimschy c888ae0aea Small changes in hash of pointers 
When converting from pointer to integer, use 'uintptr_t' if available;
otherwise try 'uintmax_t', and use 'size_t' as last resource.
 2023-02-02 13:37:11 -03:00
Roberto Ierusalimschy d69789da1c Fix absence of 'system' in iOS 
Despite claiming to be ISO, the C library in some Apple platforms
does not implement 'system'.
 2023-01-24 15:04:17 -03:00
Roberto Ierusalimschy 8dea54877a Do not avoid major collections when GCdebt is zero 
'collectgarbage("step")' (without an argument) does not have any
special meaning, it means "do a step with some default size".
 2022-12-29 15:41:07 -03:00
Roberto Ierusalimschy b5ab31a475 Merge branch 'master' into nextversion 2022-12-28 18:38:20 -03:00
Roberto Ierusalimschy 314745ed84 Avoid excessive name pollution in test files 
Test files are more polite regarding the use of globals when locals
would do, and when globals are necessary deleting them after use.
 2022-12-28 18:34:11 -03:00
Roberto Ierusalimschy 140cdcced5 Merge branch 'master' into nextversion 2022-12-23 11:30:07 -03:00
Roberto Ierusalimschy 0825cf237d Detail in make file for testes/libs 
Everything depends on the Lua version (as given by 'lua.h')
 2022-12-23 11:28:11 -03:00
Roberto Ierusalimschy 7d4c7ae2af Changes in opcodes for generic 'for' 
Again, as the control variable is read only, the code doesn't need
to keep an internal copy of it.
 2022-12-22 13:52:53 -03:00
Roberto Ierusalimschy 873588dc5f Simplification in opcodes for numerical 'for' 
As the control variable is read only, the code doesn't need to keep
an internal copy of it.
 2022-12-21 15:35:40 -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 7d6a97e42b Dump doesn't need to reuse 'source' 
All strings are being reused now, including 'source'.
 2022-12-20 11:14:52 -03:00
Roberto Ierusalimschy d70a0c91ad Dump/undump reuse strings 
A repeated string in a dump is represented as an index to its first
occurence, instead of another copy of the string.
 2022-12-15 16:44:22 -03:00
Roberto Ierusalimschy 3e6818ca87 Merge branch 'master' into nextversion 2022-12-15 14:23:59 -03:00
Roberto Ierusalimschy f874d37fa2 Small change in barrier macros 
Reuse macros for objects when defining the macros for values.
 2022-12-15 14:18:03 -03:00
Roberto Ierusalimschy 88e5c6b80b Merge branch 'master' into nextversion 2022-12-15 10:51:04 -03:00
Roberto Ierusalimschy 35e01ed21d Small improvements in 'lmem.c' 
Added some auxiliary macros + fixed a bug in compilation option
EMERGENCYGCTESTS. (It should not try to force an emergency collection
when it cannot run one.)
 2022-12-15 10:44:55 -03:00
Roberto Ierusalimschy e33e1bda97 Merge branch 'master' into nextversion 2022-12-14 16:22:43 -03:00
Roberto Ierusalimschy 6aabf4b15e Details in some header files 
Identifier LUA_NUMTAGS was deprecated (changed to LUA_NUMTYPES) +
better handling of some inclusion loops.
 2022-12-14 16:20:39 -03:00
Roberto Ierusalimschy 5d8b5b9290 Changed signal of GC debt 
Positive debts seems more natural then negative ones.
 2022-12-13 15:45:57 -03:00
Roberto Ierusalimschy 40565b4a08 Revamp of GC parameters 
More uniformity when handling GC parameters + avoid divisions by 100
when applying them.
 2022-12-13 11:55:14 -03:00
Roberto Ierusalimschy ff106c028c Merge branch 'master' into nextversion 2022-12-12 14:08:55 -03:00
Roberto Ierusalimschy fa2f294dd1 Reduce calls to 'luaC_step' when GC is stopped 2022-12-09 16:35:19 -03:00
Roberto Ierusalimschy d738c8d18b New function 'luaL_openselectedlibs' 
Makes it easier to start Lua with only some standard libraries.
 2022-12-07 15:12:52 -03:00
Roberto Ierusalimschy 0270c204c2 Simplification in handling of GC debt 
Each incremental step has always the same size (stepsize), and the
debt for next step also is always the same.
 2022-12-06 12:02:34 -03:00
Roberto Ierusalimschy 82fae58e25 Details 
Parentheses and comments.
 2022-12-02 11:33:09 -03:00
Roberto Ierusalimschy efc7c5d503 Merge branch 'master' into nextversion 2022-12-01 09:51:07 -03:00
Roberto Ierusalimschy d324a0ccf9 Simpler control for major collections 2022-11-29 10:37:08 -03:00
Roberto Ierusalimschy 152b51955a Removed GC checks from function calls 
Function calls do not create new objects. (It may use memory with
stack reallocation, but now that is irrelevant to the GC.)
 2022-11-24 10:20:15 -03:00
Roberto Ierusalimschy ec61be9a7e 'l_mem' renamed to 'l_obj' to count objects 2022-11-23 17:29:03 -03:00
Roberto Ierusalimschy f356d5acdd First version of GC counting objects for control 
Still needs to review generational mode.
 2022-11-23 17:17:20 -03:00
Roberto Ierusalimschy 9a77f57edc Stop GC while building initial state 2022-11-23 14:17:28 -03:00
Roberto Ierusalimschy be908a7d4d Removed unused field 'UpVal.tbc' 2022-11-08 10:15:10 -03:00
Roberto Ierusalimschy 76953316d1 Added a counter of the total number of existing objects 
It may simplify the control of the garbage collector.
 2022-11-03 16:37:13 -03:00
Roberto Ierusalimschy 3d2bd1359d Merge branch 'master' into nextversion 2022-11-01 17:17:21 -03:00
Roberto Ierusalimschy 9ede317c70 Threads are created like other objects 
Using a version of 'luaC_newobj' that allows offsets (extra space
before the object itself).
 2022-11-01 17:14:01 -03:00
Roberto Ierusalimschy 8047b2d03e Tables have a 'lastfree' information only when needed 
Only tables with some minimum number of entries in their hash part
have a 'lastfree' field, kept in a header before the node vector.
 2022-11-01 15:42:08 -03:00
Roberto Ierusalimschy ee645472eb Stack reallocation done with a single realloc 
To avoid the need of both the old and the new stack addresses valid
at the same time, to correct the pointers to the stack, these pointers
are changed to offsets before the reallocation and then changed back
to pointers after the reallocation.
 2022-10-31 15:06:20 -03:00
Roberto Ierusalimschy 413a393e62 Stack indices changed to union's 
That will allow to change pointers to offsets while reallocating
the stack.
 2022-10-29 12:06:37 -03:00
Roberto Ierusalimschy ba089bcb08 Details 
Added comments in the makefile about other useful '-fsanitize' options.
 2022-10-26 10:15:09 -03:00
Roberto Ierusalimschy 1e64c1391f Bug: stack overflow with nesting of coroutine.close 2022-10-25 16:44:06 -03:00
Roberto Ierusalimschy b85816b9a8 Removed test function 'luaH_isdummy' 
It was not being used anywhere.
 2022-10-21 09:18:13 -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 14d2803e55 Details 
Some cast operations rewritten to use respective macros.
 2022-10-19 16:29:54 -03:00
Roberto Ierusalimschy 7f12bf40c4 Portability issue in a test for 'string.format' 2022-10-19 16:20:11 -03:00
Roberto Ierusalimschy 26be27459b Negation in constant folding of '>>' may overflow 2022-09-23 11:08:10 -03:00
Roberto Ierusalimschy cfbe378f90 Small simplification in overflow check in 'getfield' 
Subtracting a small non-negative int from a non-negative int cannot
overflow, and adding a non-negative int to INT_MIN cannot overflow.
 2022-09-23 10:57:35 -03:00
Roberto Ierusalimschy a1089b415a Bug: 'utf8.codes' accepts spurious continuation bytes 2022-09-23 10:41:16 -03:00
Roberto Ierusalimschy f8c4c4fcf2 New test for table rehash 2022-09-16 17:05:22 -03:00
Roberto Ierusalimschy 71bc69c2af Note in the manual about using '...' as an expression 2022-09-08 17:21:02 -03:00
Roberto Ierusalimschy cd56f222b7 Corrected error message in 'table.remove' 2022-09-07 12:21:46 -03:00
Roberto Ierusalimschy 69b77b6fde Changed the growth rate of string buffers 
The growth rate of string buffers was reduced from 2 to 1.5 (3/2).
As string buffers start larger (256~1024 bytes), they don't need to
grow that fast. Moreover, a lower rate allows multiplicative growth up
to larger sizes (3/2 of the maximum). (After that, the growth becomes
linear, which is mostly useless.)
 2022-09-06 10:58:55 -03:00
Roberto Ierusalimschy 997f11f543 Bug: 'break' may not properly close variable in a 'for' loop 
Function 'leaveblock' was generating "break" label before removing
variables from the closing block. If 'createlabel' created a 'close'
instruction (which it did when matching a goto/break that exited
the scope of an upvalue), that instruction would use the wrong level.
 2022-08-24 17:36:47 -03:00
Roberto Ierusalimschy 02060b7a37 Simpler handling of Byte Order Mark (BOM) 2022-08-23 16:08:53 -03:00
Roberto Ierusalimschy a1f77a234a Bug: set correct pause when (re)entering gen. collection. 2022-08-23 16:06:23 -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 d61b0c6028 More checks and documentation for uses of EXTRA_STACK 2022-05-26 15:14:54 -03:00
Roberto Ierusalimschy 196bb94d66 Bug: 'lua_settop' may use an invalid pointer to stack 2022-05-25 17:41:39 -03:00
Roberto Ierusalimschy 603b2c64ad 'luaV_concat' can use invalidated pointer to stack 
Bug introduced in commit 42d40581.
 2022-05-23 17:50:47 -03:00
Roberto Ierusalimschy 4a00f61276 'lua_checkstack' doesn't need to check stack overflow 
'luaD_growstack' already checks that. This commit also fixes an
internal bug in 'luaD_growstack': a large 'n' could cause an arithmetic
overflow when computing 'needed'.
 2022-05-23 10:38:03 -03:00
Roberto Ierusalimschy 42d40581dd Save stack space while handling errors 
Because error handling (luaG_errormsg) uses slots from EXTRA_STACK,
and some errors can recur (e.g., string overflow while creating an
error message in 'luaG_runerror', or a C-stack overflow before calling
the message handler), the code should use stack slots with parsimony.

This commit fixes the bug "Lua-stack overflow when C stack overflows
while handling an error".
 2022-05-20 13:14:33 -03:00
Roberto Ierusalimschy e435aaabef Details (identation and typos) 2022-05-10 11:13:39 -03:00
Roberto Ierusalimschy 315639d3bb Factoring out common parts of 'codearith' and 'codebitwise' 2022-05-06 17:52:46 -03:00
Roberto Ierusalimschy c764ca71a6 Bug: Wrong code generation in bitwise operations 2022-04-25 14:42:51 -03:00
Roberto Ierusalimschy 295cde9454 New release number (5.4.5) 2022-04-07 10:52:15 -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 8426d9b4d4 Avoid computing invalid addresses 
luaV_execute should compute 'ra' only when the instruction uses it.
Computing an illegal address is undefined behavior even if the address
is never dereferenced.
 2022-02-18 13:22:25 -03:00
Roberto Ierusalimschy 1f3c6f4534 Bug: Lua can generate wrong code when _ENV is <const> 2022-02-15 12:28:46 -03:00
Roberto Ierusalimschy 25b143dd34 Bug: lua.c assumes that argv has at least one element 2022-02-07 10:16:35 -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