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* Internalized string "break" kept by the parserRoberto Ierusalimschy2025-05-153-3/+7
| | | | | | The parser uses "break" as fake label to compile "break" as "goto break". To avoid producing this string at each use, it keeps it available in its state.
* Remove compat code in parser when not neededRoberto Ierusalimschy2025-05-132-2/+5
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* Collective declaration for globals ('global *')Roberto Ierusalimschy2025-05-1314-63/+155
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* Correct line in error message for constant functionRoberto Ierusalimschy2025-05-122-1/+8
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* 'expdesc' doesn't depend on 'actvar' for var. info.Roberto Ierusalimschy2025-05-113-17/+23
| | | | | In preparation for 'global *', the structure 'expdesc' does not point to 'actvar.arr' for information about global variables.
* Janitorial work on castsRoberto Ierusalimschy2025-05-088-44/+47
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* Using 'l_uint32' for unicode codepoints in scannerRoberto Ierusalimschy2025-05-084-7/+7
| | | | | 'l_uint32' is enough for unicode codepoints (versus unsigned long), and the utf-8 library already uses that type.
* New syntax 'global function'Roberto Ierusalimschy2025-05-084-13/+82
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* Checks for read-only globalsRoberto Ierusalimschy2025-05-064-9/+33
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* First implementation of global declarationsRoberto Ierusalimschy2025-05-0510-117/+272
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* New macro 'pushvfstring'Roberto Ierusalimschy2025-04-234-16/+13
| | | | | Helps to ensure that 'luaO_pushvfstring' is being called correctly, with an error check after closing the vararg list with 'va_end'.
* Details (typos in comments)Roberto Ierusalimschy2025-04-2316-30/+29
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* Function 'luaK_semerror' made varargRoberto Ierusalimschy2025-04-173-20/+21
| | | | | All calls to 'luaK_semerror' were using 'luaO_pushfstring' to create the error messages.
* In gen. GC, some gray objects stay in gray listsRoberto Ierusalimschy2025-04-152-2/+9
| | | | | | In generational collection, objects marked as touched1 stay in gray lists between collections. This commit fixes a bug introduced in commit 808976bb59.
* Order change in 'pushfuncname'Roberto Ierusalimschy2025-04-032-7/+7
| | | | | 'pushglobalfuncname' can be quite slow (as it traverses all globals and all loaded modules), so try first to get a name from the code.
* Tiny refactoring in io.flushRoberto Ierusalimschy2025-04-032-7/+25
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* io.write returns number of written bytes on errorRoberto Ierusalimschy2025-04-034-7/+65
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* Corrections of stack addresses back to strict modeRoberto Ierusalimschy2025-04-012-3/+3
| | | | | | It can be a little slower, but only for quite large stacks and moreover stack reallocation is not a common operation. With no strong contrary reason, it is better to follow the standard.
* Growth factor of 1.5 for stack and lexical bufferRoberto Ierusalimschy2025-03-313-11/+11
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* Small optimization in 'project' from math.randomRoberto Ierusalimschy2025-03-271-21/+9
| | | | | | When computing the Mersenne number, instead of spreading 1's a fixed number of times (with shifts of 1, 2, 4, 8, 16, and 32), spread only until the number becomes a Mersenne number.
* New macro 'l_numbits'Roberto Ierusalimschy2025-03-276-15/+9
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* Addition in math.random can overflowRoberto Ierusalimschy2025-03-251-2/+2
| | | | | | To avoid complains from some tools, the addition when computing math.random(n,m), which is computed as n + random(0, m - n), should use unsigned integers.
* DetailsRoberto Ierusalimschy2025-03-242-25/+28
| | | | | | Small changes in test library: - execute mode added to 'all.lua'; - more information about subtypes (tags) when printing a stack.
* Detail in the manualRoberto Ierusalimschy2025-03-171-6/+8
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* New function 'resetCI'Roberto Ierusalimschy2025-03-172-19/+39
| | | | | | | | New function 'resetCI' resets the CallInfo list of a thread, ensuring a proper state when creating a new thread, closing a thread, or closing a state, so that we can run code after that. (When closing a thread, we need to run its __close metamethods; when closing a state, we need to run its __close metamethods and its finalizers.)
* New function 'printallstack' in test libraryRoberto Ierusalimschy2025-03-172-0/+24
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* Wrong error message when using "_ENV" fieldsRoberto Ierusalimschy2025-03-143-6/+16
| | | | | The string "_ENV" is erroneously identified as a variable _ENV, so that results from a field is classified as a global.
* Missing GC barrier in 'luaV_finishset'Roberto Ierusalimschy2025-03-143-3/+19
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* Use after free in 'luaV_finishset'Roberto Ierusalimschy2025-03-133-1/+25
| | | | | | If a metatable is a weak table, its __newindex field could be collected by an emergency collection while being used in 'luaV_finishset'. (This bug has similarities with bug 5.3.2-1, fixed in commit a272fa66.)
* 'luaD_seterrorobj' should not raise errorsRoberto Ierusalimschy2025-03-125-22/+25
| | | | | | This function can be called unprotected, so it should not raise any kind of errors. (It could raise a memory-allocation error when creating a message).
* Small changes in the manualRoberto Ierusalimschy2025-03-121-16/+22
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* Removed copyright notice from 'testes/all.lua'Roberto Ierusalimschy2025-03-1232-60/+33
| | | | All test files refer to the main copyright notice in 'lua.h'.
* New test file 'memerr.lua'Roberto Ierusalimschy2025-03-124-243/+268
| | | | | | Tests for memory-allocation errors moved from 'api.lua' to this new file, as 'api.lua' was already too big. (Besides, these tests have nothing to do with the API.)
* Small correction in 'traverseweakvalue'Roberto Ierusalimschy2025-03-121-3/+3
| | | | | | After a weak table is traversed in the atomic phase, if it does not have white values ('hasclears') it does not need to be retraversed again. (Comments were correct, but code did not agree with them.)
* Checks for type 'int' added to binary headerRoberto Ierusalimschy2025-03-104-36/+67
| | | | | The structure 'AbsLineInfo' is hard-dumped into binary chunks, and it comprises two 'int' fields.
* DetailRoberto Ierusalimschy2025-02-281-0/+4
| | | | | Added macro LUA_FAILISFALSE to make easier to change the fail value from nil to false.
* Error object cannot be nilRoberto Ierusalimschy2025-02-284-8/+23
| | | | | Lua will change a nil as error object to a string message, so that it never reports an error with nil as the error object.
* '__close' gets no error object if there is no errorRoberto Ierusalimschy2025-02-284-27/+60
| | | | | Instead of receiving nil as a second argument, __close metamethods are called with just one argument when there are no errors.
* 'lua_State.nci' must be an integerRoberto Ierusalimschy2025-02-263-3/+18
| | | | | | Lua can easily overflow an unsigned short counting nested calls. (The limit to this value is the maximum stack size, LUAI_MAXSTACK, which is currently 1e6.)
* DetailsRoberto Ierusalimschy2025-02-265-9/+33
| | | | | Comments, small changes in the manual, an extra test for errors in error handling, small changes in tests.
* Array sizes in undump changed from unsigned to intRoberto Ierusalimschy2025-02-202-33/+27
| | | | | Array sizes are always int and are dumped as int, so there is no reason to read them back as unsigned.
* Added macro LUAI_STRICT_ADDRESSRoberto Ierusalimschy2025-02-182-10/+22
| | | | | By default, the code assumes it is safe to use a dealocated pointer as long as the code does not access it.
* Main thread is a regular field of global_StateRoberto Ierusalimschy2025-01-316-75/+65
| | | | | They were already allocated as a single block, so there is no need for the global_State to point to its main thread.
* New type 'TStatus' for thread status/error codesRoberto Ierusalimschy2025-01-3010-46/+56
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* Details (in test library)Roberto Ierusalimschy2025-01-291-5/+16
| | | | | - Added support for negative stack indices in the "C interpreter" - Improved format when printing values
* CallInfo bit CIST_CLSRET broken in twoRoberto Ierusalimschy2025-01-284-15/+44
| | | | | | | | | Since commit f407b3c4a, it was being used for two distinct (and incompatible) meanings: A: Function has TBC variables (now bit CIST_TBC) B: Interpreter is closing TBC variables (original bit CIST_CLSRET) B implies A, but A does not imply B.
* Renaming two new functionsRoberto Ierusalimschy2025-01-277-13/+13
| | | | | 'lua_numbertostrbuff' -> 'lua_numbertocstring' 'lua_pushextlstring' -> 'lua_pushexternalstring'
* Parameters for 'lua_createtable' back to intRoberto Ierusalimschy2025-01-217-16/+18
| | | | Tables don't accept sizes larger than int.
* Small change in macro 'isvalid'Roberto Ierusalimschy2025-01-161-3/+1
| | | | | The "faster way" to check whether a value is not 'nilvalue' is not faster. (Both forms entail one memory access.)
* fixing 'lua_status' in panic.Roberto Ierusalimschy2025-01-163-2/+28
| | | | | 'luaD_throw' may call 'luaE_resetthread', which returns an error code but clears 'L->status'; so, 'luaD_throw' should set that status again.
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