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* New type 'TStatus' for thread status/error codesRoberto Ierusalimschy2025-01-301-1/+1
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* Added gcc option '-Wconversion'Roberto Ierusalimschy2024-07-271-4/+4
| | | | | No warnings for standard numerical types. Still pending alternative numerical types.
* Cleaning of llimits.hRoberto Ierusalimschy2024-06-201-3/+13
| | | | | | Several definitions that don't need to be "global" (that is, that concerns only specific parts of the code) moved out of llimits.h, to more appropriate places.
* Some 'unsigned int' changed to 'unsigned'Roberto Ierusalimschy2024-03-221-3/+3
| | | | | 'unsigned int' is too long sometimes. (We already write 'long' instead of 'long int'...)
* Merge branch 'master' into nextversionRoberto Ierusalimschy2024-01-251-1/+1
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| * Bug: Buffer overflow in string concatenationRoberto Ierusalimschy2023-12-211-1/+1
| | | | | | | | | | Even if the string fits in size_t, the whole size of the TString object can overflow when we add the header.
| * Cannot use 'getshrstr' before setting 'shrlen'Roberto Ierusalimschy2023-08-251-1/+1
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* | External stringsRoberto Ierusalimschy2023-11-091-3/+75
| | | | | | | | Strings can use external buffers to store their contents.
* | Towards external stringsRoberto Ierusalimschy2023-11-081-8/+11
| | | | | | | | Long strings have a pointer to string contents.
* | Added suport for Fixed BuffersRoberto Ierusalimschy2023-09-051-1/+1
|/ | | | | A fixed buffer keeps a binary chunk "forever", so that the program does not need to copy some of its parts when loading it.
* More disciplined use of 'getstr' and 'tsslen'Roberto Ierusalimschy2023-08-171-5/+6
| | | | | We may want to add other string variants in the future; this change documents better where the code may need to handle those variants.
* Broadening the use of branch hintsRoberto Ierusalimschy2021-02-241-4/+4
| | | | | | More uses of macros 'likely'/'unlikely' (renamed to 'l_likely'/'l_unlikely'), both in range (extended to the libraries) and in scope (extended to hooks, stack growth).
* Hash always use all characters in a long stringRoberto Ierusalimschy2020-10-121-16/+4
| | | | | | | Hashes for long strings are computed only when they are used as keys in a table, not a too common case. And, in that case, it is to easy to force collisions changing only the characters which are not part of the hash.
* Short strings always use all bytes in the hashRoberto Ierusalimschy2020-04-011-5/+7
| | | | | | Collisions in short strings occurr just by their existence, when internalizing them. (Collisions in long strings is caused/controlled by the program, when adding them as keys to the same table.)
* Clearer distinction between types and tagsRoberto Ierusalimschy2020-01-311-5/+5
| | | | | LUA_T* represents only types; tags (types + Variants) are represented by LUA_V* constants.
* DetailsRoberto Ierusalimschy2019-06-031-2/+2
| | | | | Several small changes from feedback on 5.4 alhpa rc1 (warnings, typos in the manual, and the like)
* Removed extra information from RCS keyword stringsRoberto Ierusalimschy2018-08-231-1/+1
| | | | | Version numbers and dates (mostly wrong) from RCS keyword strings removed from all source files; only the file name are kept.
* new macros 'likely'/'unlikely' with hints for jump predictionsRoberto Ierusalimschy2018-05-301-5/+5
| | | | (used only in errors for now)
* userdata can have multiple user valuesRoberto Ierusalimschy2018-02-201-5/+8
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* no more 'nfield' stringRoberto Ierusalimschy2018-02-151-8/+5
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* janitor work on castsRoberto Ierusalimschy2018-01-281-2/+2
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* 'rehash' -> 'tablerehash'Roberto Ierusalimschy2017-12-181-6/+6
| | | | (to avoid name colisions when compiling Lua as a single file)
* back to reallocation when resizing the string table.Roberto Ierusalimschy2017-12-121-30/+60
| | | | | (Not a good idea to explicitly allocate new memory when shrinking something.)
* more freedom in handling memory-allocation errors (not all allocationsRoberto Ierusalimschy2017-12-081-2/+5
| | | | | automatically raise an error), which allows fixing a bug when resizing a table.
* using explicit tests for allocation overflow whenever possibleRoberto Ierusalimschy2017-12-071-2/+10
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* rehashes string table always allocating a new array instead ofRoberto Ierusalimschy2017-12-011-17/+11
| | | | | reallocating old one. (Avoids problems if reallocation to a small size fails.)
* no more reference 'memerrmsg' + new reference to "n"Roberto Ierusalimschy2017-07-271-8/+8
| | | | | | (both can be retrieved by 'luaS_newliteral' without creating anything, because they are fixed, but "n" deserves fast access while 'memerrmsg' does not)
* tiny code refactoring in 'luaS_hash'Roberto Ierusalimschy2015-11-231-4/+3
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* new function 'luaS_hashlongstr'Roberto Ierusalimschy2015-11-031-1/+11
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* detail (added assertion)Roberto Ierusalimschy2015-10-081-1/+2
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* code for string cache generalized for "associative sets" (compilerRoberto Ierusalimschy2015-09-221-16/+22
| | | | will optimize away or inline the extra loops)
* macros 'getaddrstr' and 'getstr' unified (they do the same thing)Roberto Ierusalimschy2015-09-171-4/+4
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* long strings are created directly in final position when possibleRoberto Ierusalimschy2015-09-081-7/+13
| | | | | (instead of using an auxiliar buffer to first create the string and then allocate the final string and copy result there)
* detail (i + 1 > exp is simply i >= exp)Roberto Ierusalimschy2015-06-181-2/+2
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* 'strcache' elements as arrays of 1 element hints that cache canRoberto Ierusalimschy2015-06-011-9/+9
| | | | be n-way (instead of direct mapped)
* 'clearapihash' -> 'luaS_clearcache' and moved to 'lstring.c' (whichRoberto Ierusalimschy2015-03-251-1/+14
| | | | keeps all code related to this cache)
* new cache for interning stringsRoberto Ierusalimschy2015-03-041-3/+31
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* size of short strings stored in a single byte, to reduce the sizeRoberto Ierusalimschy2015-01-161-12/+15
| | | | of struct 'TString'
* added include for 'lprefix.h', for stuff that must be added beforeRoberto Ierusalimschy2014-11-021-4/+6
| | | | any other header file
* 'iswhite' and related macros now can work directly on any objectRoberto Ierusalimschy2014-07-211-3/+3
| | | | (no need to convert to 'GCObject')
* type 'Udata' refers directly to structure inside the union (unionRoberto Ierusalimschy2014-07-181-5/+5
| | | | used only for aligning purposes now)
* type 'TString' refers directly to the structure inside the unionRoberto Ierusalimschy2014-07-181-22/+22
| | | | (union used only for size purposes)
* added check for conversion 'obj2gco' (and corrections for smallRoberto Ierusalimschy2014-07-181-3/+3
| | | | problems detected by this check)
* use appropriate macros to convert GCObject to specific typesRoberto Ierusalimschy2014-06-181-3/+7
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* LUAI_FUNC is being used only in header filesRoberto Ierusalimschy2014-04-021-2/+2
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* removed function 'luaS_eqstr' (not used anywhere)Roberto Ierusalimschy2014-03-191-10/+1
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* userdata can have any Lua value as uservalueRoberto Ierusalimschy2014-02-191-3/+3
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* check for shrinking string table done only at the end of a GC cycleRoberto Ierusalimschy2013-09-111-3/+1
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* 'luaC_newobj' does not handle special cases; only special caseRoberto Ierusalimschy2013-09-111-3/+3
| | | | now is threads, which do not use 'luaC_newobj' anymore.
* back to open hashing for the string table (but with a differentRoberto Ierusalimschy2013-09-051-78/+43
| | | | | 'hnext' field, to strings are still collected like all other objects)
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