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229 Commits

Author SHA1 Message Date
Roberto Ierusalimschy 1e0c73d5b6 Changes in the validation of UTF-8 
All UTF-8 encoding functionality (including the escape
sequence '\u') accepts all values from the original UTF-8
specification (with sequences of up to six bytes).

By default, the decoding functions in the UTF-8 library do not
accept invalid Unicode code points, such as surrogates. A new
parameter 'nonstrict' makes them accept all code points up to
(2^31)-1, as in the original UTF-8 specification.
 2019-03-15 13:14:17 -03:00
Roberto Ierusalimschy 5e76a4fd31 New macros for arithmetic/bitwise operations in 'luaV_execute' 
The repetitive code of the arithmetic and bitwise operators in
the main iterpreter loop was moved to appropriate macros.
(As a detail, the function 'luaV_div' was renamed 'luaV_idiv',
as it does an "integer division" (floor division).
 2018-11-05 16:10:42 -02:00
Roberto Ierusalimschy 5382a22e0e Corrections in the implementation of '%' for floats. 
The multiplication (m*b) used to test whether 'm' is non-zero and
'm' and 'b' have different signs can underflow for very small numbers,
giving a wrong result. The use of explicit comparisons solves this
problem. This commit also adds several new tests for '%' (both for
floats and for integers) to exercise more corner cases, such as
very large and very small values.
 2018-08-28 12:36:58 -03:00
Roberto Ierusalimschy f99509581e Removed extra information from RCS keyword strings 
Version numbers and dates (mostly wrong) from RCS keyword strings
removed from all source files; only the file name are kept.
 2018-08-23 14:26:12 -03:00
Roberto Ierusalimschy 505fc91222 no more 'luaO_nilobject' to avoid comparison of global variable addresses 
(now uses static variables)
 2018-06-01 14:40:38 -03:00
Roberto Ierusalimschy deb807837c 'luaO_pushvfstring' does not need to reallocate stack 
(less error cases in the API)
 2018-04-25 13:26:20 -03:00
Roberto Ierusalimschy 34b00c16e2 removed compatibility code with older versions 2018-02-27 15:47:32 -03:00
Roberto Ierusalimschy e2b15aa21d janitor work on casts 2018-01-28 13:13:26 -02:00
Roberto Ierusalimschy a9295a2b8e typos in comments 2017-12-30 18:46:18 -02:00
Roberto Ierusalimschy 599f1742c6 detail (typo in comments) 2017-11-23 17:29:04 -02:00
Roberto Ierusalimschy e4e5aa85a2 detail ('signal' -> 'sign' in comments) 2017-11-16 11:19:06 -02:00
Roberto Ierusalimschy 26679ea35b new function 'luaV_flttointeger' to convert floats to integers (without 
string coercions) + string operands to bitwise operations handled
by string metamethods
 2017-11-08 12:50:23 -02:00
Roberto Ierusalimschy 911f1e3e7f raw operation should not convert strings to numbers 2017-10-10 17:05:40 -03:00
Roberto Ierusalimschy 4dff277255 coercion string->number in arithmetic operations moved to string 
library
 2017-07-07 13:34:32 -03:00
Roberto Ierusalimschy f96497397a new type 'StackValue' for stack elements 
(we may want to put extra info there in the future)
 2017-06-29 12:06:44 -03:00
Roberto Ierusalimschy a9dbc2d641 assert removed in 'luaO_arith' 
(nobody calls it with L==NULL)
 2017-05-24 10:47:11 -03:00
Roberto Ierusalimschy a45945b6d5 new macro 'lua_pointer2str' to encapsulate use of 'l_sprintf' inside 
the kernel
 2017-04-19 13:34:35 -03:00
Roberto Ierusalimschy 2a235312f0 detail (removing spaces at end of lines) 2016-12-22 11:08:50 -02:00
Roberto Ierusalimschy 09c9fa36ea small corrections for C++ compliance 2016-06-27 10:15:08 -03:00
Roberto Ierusalimschy 10b0b09555 do not convert decimal constants with overflow to integers. 
(Therefore, they will be converted as floats)
 2016-05-20 11:07:48 -03:00
Roberto Ierusalimschy ed110f66c5 'luaO_str2num' (and, therefore, 'lua_stringtonumber', 'number', 
and coercions) accepts both the locale point and a dot as its
radix character
 2016-05-02 11:00:32 -03:00
Roberto Ierusalimschy 2d1d57bc18 comments 2015-12-14 09:53:27 -02:00
Roberto Ierusalimschy 8c1fb91802 macro 'incr_top' replaced by function 'luaD_inctop'. (It is not used 
in critical time pathes, can save a few bytes without the macro)
 2015-11-02 14:09:30 -02:00
Roberto Ierusalimschy 332a06bbd1 'luaO_pushvfstring' now uses 'incr_top' to increment top. 2015-11-02 12:02:35 -02:00
Roberto Ierusalimschy e89763e964 simpler code for 'luaO_fb2int' 2015-06-26 16:32:07 -03:00
Roberto Ierusalimschy 19eb6ae580 using 'snprintf' in C99 (both for documentation of buffer sizes 
and some complains from tools)
 2015-06-18 11:26:05 -03:00
Roberto Ierusalimschy 69b5f7a410 some details in 'luaO_int2fb' + more consistent use of the locale 
decimal point
 2015-04-11 15:30:08 -03:00
Roberto Ierusalimschy e723c75c02 details (avoid 'lint' warnings) 2015-03-28 16:14:47 -03:00
Roberto Ierusalimschy c8d6cb0136 macros 'luai_num*' (for float arithmetic operations) moved to 
llimits.h.
 2015-02-05 15:15:33 -02:00
Roberto Ierusalimschy fb6796ba06 removed useless initializations 2014-12-26 12:43:45 -02:00
Roberto Ierusalimschy 5fbd40dbe5 'x//y' extended to floats 2014-11-21 10:15:57 -02:00
Roberto Ierusalimschy 81c39a5244 no need to cast '*s' to unsigned char when we know it is a digit + 
no need to call 'luaO_hexavalue' for decimal digits
 2014-11-04 17:16:25 -02:00
Roberto Ierusalimschy 28fdbcf393 added include for 'lprefix.h', for stuff that must be added before 
any other header file
 2014-11-02 17:19:04 -02:00
Roberto Ierusalimschy 59fbbf0a65 small simplifications in code for 'lua_strx2number' 2014-10-28 16:41:38 -02:00
Roberto Ierusalimschy 4870194380 small reorganization of tests around LUA_USE_C99 2014-10-27 17:21:56 -02:00
Roberto Ierusalimschy bdf566a8a3 `name' in comments changed to 'name' 2014-10-25 09:50:46 -02:00
Roberto Ierusalimschy ff9ca88aa6 added some casts to avoid warnings in some compilers 2014-10-24 09:42:29 -02:00
Roberto Ierusalimschy f97c64d7bf macros 'LUA_QL'/'LUA_QL' deprecated 2014-10-17 13:28:21 -03:00
Roberto Ierusalimschy 56d4537879 '$c' in 'lua_pushfstring' prints non-printable characters with 
their codes
 2014-10-10 19:23:04 -03:00
Roberto Ierusalimschy c5cae9362c added two casts to avoid warnings in VS 2014-10-04 19:57:10 -03:00
Roberto Ierusalimschy 34b6664dcb better to use 'long' to represent UTF-8 code points 2014-10-01 08:52:33 -03:00
Roberto Ierusalimschy f5c690b684 details in comments 2014-08-01 14:24:02 -03:00
Roberto Ierusalimschy 34ac039fb8 new macro 'cvt2str' to better control whether numbers are convertible 
to strings
 2014-07-30 11:00:14 -03:00
Roberto Ierusalimschy b9dcf9974d detail (typos in comments) 2014-06-30 16:48:08 -03:00
Roberto Ierusalimschy 45c430eac0 addition of '.0' to float representation done by the kernel 2014-05-12 18:44:17 -03:00
Roberto Ierusalimschy 27d9219cf3 no more integer exponentiation 2014-05-12 18:22:05 -03:00
Roberto Ierusalimschy c549d4fe64 'lua_strtonum' (and 'luaO_str2num') now return string size, instead of 
receiving it
 2014-05-01 15:18:06 -03:00
Roberto Ierusalimschy 5388aa9fc0 'luaO_str2d' + 'luaO_str2int' replaced by 'luaO_str2num' (which converts 
to float or integer according to the string syntax)
 2014-04-30 13:48:44 -03:00
Roberto Ierusalimschy ffa43df3cd 'setnvalue' -> 'setfltvalue' (for consitency with 'fltvalue') 2014-04-29 15:14:16 -03:00
Roberto Ierusalimschy e98ba351ce n^-m gives float result (instead of error) 2014-04-27 11:41:11 -03:00