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* DetailsRoberto Ierusalimschy2019-05-281-5/+9
| | | | | | | - new error message for "attempt to assign to const variable" - note in the manual about compatibility options - comments - small changes in 'read_line' and 'pushstr'
* Define LUA_MAXUNSIGNED as a preprocessor constantRoberto Ierusalimschy2019-05-141-1/+8
| | | | | The previous definition of LUA_MAXUNSIGNED used a typecast, making it unsuitable for constant expressions in the preprocessor.
* A few changes in tests about number of bits in integersRoberto Ierusalimschy2019-05-131-2/+1
| | | | | | - The preprocessor must work with at least 'long', and therefore must do shifts of up to 31 bits correctly. - Whenever possible, use unsigned types in shifts.
* Some improvements in 'luaconf.h'Roberto Ierusalimschy2019-05-131-31/+57
| | | | | Added '#if !defined' in some definitions to allow external definitions; more comments; other small changes.
* A few more improvements in 'luaO_pushvfstring'Roberto Ierusalimschy2019-05-031-3/+10
| | | | | | | | - 'L' added to the 'BuffFS' structure - '%c' does not handle control characters (it is not its business. This now is done by the lexer, who is the one in charge of that kind of errors.) - avoid the direct use of 'l_sprintf' in the Lua kernel
* Revamp of 'lua_pushfstring' / 'luaO_pushvfstring'Roberto Ierusalimschy2019-04-241-7/+0
| | | | | | | | | The function 'luaO_pushvfstring' now uses an internal buffer to concatenate small strings, instead of pushing all pieces on the stack. This avoids the creation of several small Lua strings for each piece of the result. (For instance, a format like "n: '%d'" used to create three intermediate strings: "n: '", the numeral, and "'". Now it creates none.)
* Avoid using large buffers in 'string.format'Roberto Ierusalimschy2019-04-121-8/+1
| | | | | | | The result of "string.format("%.99f", -1e308) is 410 characters long, but all other formats have much smaller limits (at most 99 plus a fex extras). This commit avoids 'string.format' asking for a buffer ~400 chars large when ~100 will do.
* LUAI_MAXCCALLS renamed LUAI_MAXCSTACKRoberto Ierusalimschy2019-03-251-0/+15
| | | | | | | The limit LUAI_MAXCCALLS was renamed LUAI_MAXCSTACK, which better represents its meaning. Moreover, its definition was moved to 'luaconf.h', given its importance now that Lua does not use a "stackless" implementation.
* Changes in the control of C-stack overflowRoberto Ierusalimschy2018-12-271-2/+2
| | | | | | | | | | * unification of the 'nny' and 'nCcalls' counters; * external C functions ('lua_CFunction') count more "slots" in the C stack (to allow for their possible use of buffers) * added a new test script specific for C-stack overflows. (Most of those tests were already present, but concentrating them in a single script easies the task of checking whether 'LUAI_MAXCCALLS' is adequate in a system.)
* Visibility of non-API functions changed to "internal"Roberto Ierusalimschy2018-11-131-1/+1
| | | | | | | The visibility for functions marked as LUAI_FUNC was changed from "hidden" to "internal". These functions cannot be called from outside the Lua kernel, and "internal" visibility offers more chances for optimizations.
* Deprecated the emulation of '__le' using '__lt'Roberto Ierusalimschy2018-08-241-1/+7
| | | | | | | | | | | As hinted in the manual for Lua 5.3, the emulation of the metamethod for '__le' using '__le' has been deprecated. It is slow, complicates the logic, and it is easy to avoid this emulation by defining a proper '__le' function. Moreover, often this emulation was used wrongly, with a programmer assuming that an order is total when it is not (e.g., NaN in floating-point numbers).
* 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.
* opening functions must be exported!v5.4-w2Roberto Ierusalimschy2018-06-191-5/+3
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* change in 'LUAI_DDEC' to allow variables to be static in 'onelua'Roberto Ierusalimschy2018-06-181-6/+10
| | | | + change in 'LUAMOD_API' as opening functions do not need to be global
* detail (removed unused definition for 'LUA_QS')Roberto Ierusalimschy2018-06-151-10/+2
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* definition for LUA_UNSIGNEDBITS (number of bits in a LUA_UNSIGNED)Roberto Ierusalimschy2018-04-021-1/+4
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* added definition for LUA_MAXUNSIGNEDRoberto Ierusalimschy2018-03-091-1/+4
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* 'LUA_USE_READLINE' moved to the make fileRoberto Ierusalimschy2018-03-021-3/+1
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* removed compatibility code with older versionsRoberto Ierusalimschy2018-02-271-75/+5
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* detail (comment)Roberto Ierusalimschy2018-02-201-7/+8
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* typos in commentsRoberto Ierusalimschy2017-12-301-3/+3
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* detail (comment)Roberto Ierusalimschy2017-12-071-1/+2
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* type 'L_Umaxalign' replaced by macro 'LUAI_MAXALIGN', which is also addedRoberto Ierusalimschy2017-04-241-1/+7
| | | | to the auxlib buffer
* new macro 'lua_pointer2str' to encapsulate use of 'l_sprintf' insideRoberto Ierusalimschy2017-04-191-1/+8
| | | | the kernel
* detail (removing spaces at end of lines)Roberto Ierusalimschy2016-12-221-2/+2
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* Using LUAI_UAC* types more consistently on vararg callsRoberto Ierusalimschy2016-12-201-6/+10
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* wrong test in '#if' for floating-point typeRoberto Ierusalimschy2016-08-221-3/+3
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* Handling of LUA_PATH/LUA_CPATH moved from package library to standRoberto Ierusalimschy2016-07-181-1/+13
| | | | | alone interpreter (so that 'lua.c' concentrates all handling of environment variables)
* detail (macro should "use" all its arguments)Roberto Ierusalimschy2016-05-011-2/+2
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* generic definitions for float types moved to before variable definitionsRoberto Ierusalimschy2015-10-211-20/+26
| | | | | (so that specific cases can redefine these generic definitions if needed)
* detailRoberto Ierusalimschy2015-06-241-2/+2
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* using 'snprintf' in C99 (both for documentation of buffer sizesRoberto Ierusalimschy2015-06-181-6/+17
| | | | and some complains from tools)
* new configuration macro 'l_mathlim' (simplifies some dependenciesRoberto Ierusalimschy2015-05-201-6/+10
| | | | on float type)
* more consistent use of locale radix character across LuaRoberto Ierusalimschy2015-04-031-2/+12
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* 'LUA_REAL_*' -> 'LUA_FLOAT_*' (everywhere else we are using 'float')Roberto Ierusalimschy2015-03-311-16/+21
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* macro 'luai_apicheck'/'api_check' back with a 'lua_State' parameterRoberto Ierusalimschy2015-03-061-1/+11
| | | | (some people use it)
* configuration for numerical types through only one #define forRoberto Ierusalimschy2015-03-021-20/+28
| | | | each type
* LUA_COMPAT_5_1 needs some options deprecated from 5.2 to 5.3Roberto Ierusalimschy2015-02-281-10/+14
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* macros 'luai_num*' (for float arithmetic operations) moved toRoberto Ierusalimschy2015-02-051-41/+1
| | | | llimits.h.
* added comments documenting LUA_NOCVTN2S/LUA_NOCVTS2NRoberto Ierusalimschy2015-02-051-1/+19
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* own implementation for 'string.format("%a")' for C89 platformsRoberto Ierusalimschy2015-02-041-8/+8
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* LUAL_BUFFERSIZE affects the API, so it is better not to change itRoberto Ierusalimschy2015-01-161-2/+3
| | | | | | between releases of the same version. (The long double case seems to be too rare, so that should not be a problem; moreover, that case is related to a bug)
* LUAI_MAXSHORTLEN moved from 'luaconf.h' to 'llimits.h' (does notRoberto Ierusalimschy2015-01-161-10/+1
| | | | affect the API and is seldom modified)
* removed macro LUAI_FIRSTPSEUDOIDX (that stuff does not needRoberto Ierusalimschy2015-01-131-4/+1
| | | | to be configurable)
* Long double needs a larger LUAL_BUFFERSIZE (becauseRoberto Ierusalimschy2015-01-131-3/+10
| | | | | 'string.format("%.99f", 1e4900)' can generate quite long strings), but otherwise buffer can be 1~2K
* detail (macro 'luai_numidiv' uses 'luai_numdiv' to compute the division)Roberto Ierusalimschy2014-12-291-2/+2
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* removed macro 'luai_numinvalidop' (main motivation removed, as foldingRoberto Ierusalimschy2014-12-261-9/+1
| | | | does not handle any division by zero by default)
* commentRoberto Ierusalimschy2014-12-191-2/+2
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* Windows uses 'long long' (instead of '__int64') when present; again,Roberto Ierusalimschy2014-12-161-15/+15
| | | | uses macro LLONG_MAX as a proxy for the support for 'long long'.
* added macro LUA_USE_I64 for separate control of use of Windows-specificRoberto Ierusalimschy2014-12-161-2/+3
| | | | types
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