Commit Graph

609 Commits

Author SHA1 Message Date
Roberto Ierusalimschy
8bb272a3e3 new conversion float->integer: conversion is valid only when
float has an exact representation as an integer
2014-07-17 09:30:53 -03:00
Roberto Ierusalimschy
b9dcf9974d detail (typos in comments) 2014-06-30 16:48:08 -03:00
Roberto Ierusalimschy
89b56e7d84 more precision between closure types ('LClosure' x 'CClosure') 2014-06-19 15:27:20 -03:00
Roberto Ierusalimschy
1a3656e56e more relaxed rules for __eq metamethod (more similar to other
operators)
2014-06-10 15:53:18 -03:00
Roberto Ierusalimschy
c98f195eb9 function 'luaV_numtointeger' changed to a global macro
'lua_numtointeger' (tricky, small, and useful in several places)
2014-05-26 14:10:22 -03:00
Roberto Ierusalimschy
36715ab7c1 detail (comment) 2014-05-23 15:32:21 -03:00
Roberto Ierusalimschy
8a0acf0898 comments 2014-05-20 11:12:59 -03:00
Roberto Ierusalimschy
3e977f02ac added a few comments 2014-05-15 17:08:32 -03:00
Roberto Ierusalimschy
f8daddba50 added a compat option (although it will be off by default) to
the addition of '.0' to float->string conversions
2014-05-14 16:47:11 -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
12bd01c567 added comments to several functions 2014-05-12 16:13:32 -03:00
Roberto Ierusalimschy
06dc893f88 in 'for' loops, make the limit an integer whenever initial value and
step are integers
2014-05-09 11:20:52 -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
ddff6ecf30 function 'limittointeger' no needed (now that 'tointeger_aux' handles
integers too)
2014-04-30 16:29:51 -03:00
Roberto Ierusalimschy
1a6ef098b0 'luaO_str2d' + 'luaO_str2int' replaced by 'luaO_str2num' plus proper
conversion from strings to integers
2014-04-30 13:50:16 -03:00
Roberto Ierusalimschy
b123a88673 merge of common parts from 'limittointeger' and 'luaV_tointeger_' 2014-04-29 17:06:05 -03:00
Roberto Ierusalimschy
ffa43df3cd 'setnvalue' -> 'setfltvalue' (for consitency with 'fltvalue') 2014-04-29 15:14:16 -03:00
Roberto Ierusalimschy
9c4398de8f 'for' loop tries to convert limit to integer when initial value and
step are integers
2014-04-29 15:11:57 -03:00
Roberto Ierusalimschy
e98ba351ce n^-m gives float result (instead of error) 2014-04-27 11:41:11 -03:00
Roberto Ierusalimschy
037a70dfea cast_u2s/cast_s2u renamed l_castS2U/l_castU2S to be configurable from
outside (mostly for testing)
2014-04-15 13:32:49 -03:00
Roberto Ierusalimschy
8f961da3db macros cast_integer/cast_unsigned replaced by cast_u2s/cast_s2u, that
should be used only between lua_Integer and lua_Unsigned
2014-04-15 11:29:30 -03:00
Roberto Ierusalimschy
2771050dfa 'MIN/MAX_INTEGER' replaced by 'LUA_MIN/MAXINTEGER' 2014-04-11 16:02:16 -03:00
Roberto Ierusalimschy
a8aede68c7 new definition for 'luai_nummod' (using 'fmod') 2014-04-09 14:05:11 -03:00
Roberto Ierusalimschy
c7859a046d using 'volatile' in 'tofloat' to ensure result has the same precision
(lua_Number) of other computations
2014-04-08 11:28:04 -03:00
Roberto Ierusalimschy
7d514af0bc bug (in work version): comparisons should not try to convert
strings to numbers
2014-04-02 13:54:20 -03:00
Roberto Ierusalimschy
3d1c6730da detail ('1U' -> '1u', like other unsigned constants in the code) 2014-03-31 16:18:24 -03:00
Roberto Ierusalimschy
ea69f17d98 macro 'tostring' is used only by 'luaV_concat' 2014-03-31 15:37:52 -03:00
Roberto Ierusalimschy
114d10cbc5 detail (comment) 2014-03-15 09:29:48 -03:00
Roberto Ierusalimschy
9f3f5b6f41 details 2014-03-14 13:54:08 -03:00
Roberto Ierusalimschy
cd12410195 new macro 'cast_void' 2014-03-07 13:19:00 -03:00
Roberto Ierusalimschy
5ff1c18a71 back with 'L' for macros 'luai_num*', but now with a new macro
'luai_numinvalidop' to protect constant folding
2014-03-06 13:15:18 -03:00
Roberto Ierusalimschy
d438e1379d insertion of ".0" in floats with integer values done by "luaL_tolstring",
not by the core
2014-02-05 17:14:53 -02:00
Roberto Ierusalimschy
86dd8bf3f5 no more 'L' in macros "luai_num*" (several places that use those macros
cannot throw errors anyway...)
2014-01-27 11:34:32 -02:00
Roberto Ierusalimschy
0a850e641d larger limit + better error messages for loop detection in inheritance 2014-01-22 18:02:04 -02:00
Roberto Ierusalimschy
1ea2d20f74 first implementation of '<<', '>>', and '~' (bitwise not) 2013-12-30 18:47:58 -02:00
Roberto Ierusalimschy
c0edab0f6d first implementation of bitwise operators '&' (band), '|' (bor),
and '~' (bxor)
2013-12-18 12:12:03 -02:00
Roberto Ierusalimschy
a8f8c7fd80 integer exponentiation with negative exponent is invalid 2013-12-16 12:30:22 -02:00
Roberto Ierusalimschy
26629d0af1 details (a few casts moved from macro invocation to macro definition) 2013-08-29 10:49:57 -03:00
Roberto Ierusalimschy
af35c7f398 upvalues collected by reference count 2013-08-27 15:53:35 -03:00
Roberto Ierusalimschy
9eff921f8f "barrier" for link prototype->cache changed to be consistent with
GC behavior (link is cleared to preserve invariant)
2013-08-19 11:18:43 -03:00
Roberto Ierusalimschy
439d74e29f added 'local' bit (true => object is only refered by local variables) 2013-08-16 15:55:49 -03:00
Roberto Ierusalimschy
2f8c51a552 use unsigneds for unary minus, too 2013-07-10 14:15:12 -03:00
Roberto Ierusalimschy
453450d687 new macro 'l_floor' (allows 'floorf' even when other math operations
do not have an 'f' variant)
2013-06-20 12:02:49 -03:00
Roberto Ierusalimschy
130c0e40e0 new constant 'MAX_SIZE', distinct from 'MAX_SIZET', for sizes visible
from Lua; these must fit in a lua_Integer
2013-06-19 11:27:00 -03:00
Roberto Ierusalimschy
318575627f avoid adding '.0' to "numbers" like "nan" and "inf" 2013-06-07 16:02:05 -03:00
Roberto Ierusalimschy
6fb0b11350 string contatenation handles conversion of integers to strings +
floats always format as floats (with decimal dot or exponent)
2013-06-04 16:36:42 -03:00
Roberto Ierusalimschy
d630daca1a "legal" way to convert a float to an integer in C 2013-05-27 09:43:37 -03:00
Roberto Ierusalimschy
8c883cb4e8 'objlen' can return integers 2013-05-26 11:47:51 -03:00
Roberto Ierusalimschy
b22a4280c6 macro 'nvalue' removed + cast to void added to avoid warnings
with 'clang'
2013-05-06 14:17:09 -03:00
Roberto Ierusalimschy
6920a7f2e3 new macro 'intop' (to perform integer arithmetic on unsigned types) 2013-05-02 09:31:26 -03:00
Roberto Ierusalimschy
88bf2f83c0 new function 'tointeger' + 'luaV_arith' replaced by 'luaT_trybinTM' 2013-04-29 14:12:50 -03:00
Roberto Ierusalimschy
360587f319 favoring 'tonumber' over 'nvalue' 2013-04-26 16:51:17 -03:00
Roberto Ierusalimschy
f79584faca detail 2013-04-26 13:06:53 -03:00
Roberto Ierusalimschy
4abe99dc34 new interface for 'tonumber' 2013-04-26 13:03:50 -03:00
Roberto Ierusalimschy
a2f5c28a80 new operation '//' (integer division) 2013-04-26 10:08:29 -03:00
Roberto Ierusalimschy
bb1851ce98 'for' loop uses integers when possible 2013-04-25 16:50:02 -03:00
Roberto Ierusalimschy
e381c582de integer handling for order comparisons, power, and modulo operations 2013-04-25 16:12:41 -03:00
Roberto Ierusalimschy
9600c60df3 functions 'get_equalTM' and 'call_orderTM' moved to other files
to make 'lvm.c' smaller
2013-04-25 13:07:52 -03:00
Roberto Ierusalimschy
32bf6c9b27 functions 'traceexec', 'callTM', and 'call_binTM' moved to other
files to make 'lvm.c' a little smaller
2013-04-25 12:59:42 -03:00
Roberto Ierusalimschy
d4f0c4435d a few more operations supporting integers (minus, umin, mult) 2013-04-16 15:43:05 -03:00
Roberto Ierusalimschy
07f861385e first steps in the support of integers: basic representation + table indexing + basic API ops (tointeger/pushinteger) + equality + a few extra stuff 2013-04-15 12:44:46 -03:00
Roberto Ierusalimschy
8f8665fffa 'ttypenv' -> 'ttnov' 2013-04-12 16:07:09 -03:00
Roberto Ierusalimschy
75250a237c typos in comments 2013-03-16 18:10:18 -03:00
Roberto Ierusalimschy
a3e1c40d6d remove of unecessary luaD_checkstack. (In some cases, C should
ensure stack space; in others, Lua can use the extra slots for
temporary values.)
2012-08-16 14:34:28 -03:00
Roberto Ierusalimschy
53480f1163 details (remove of some extra spaces) 2012-08-14 15:12:34 -03:00
Roberto Ierusalimschy
cc2a60ecb7 bugs in yields inside debug hooks 2012-06-08 12:14:04 -03:00
Roberto Ierusalimschy
5654763797 macro 'checkGC' takes care of setting 'top' to limit stack live values 2012-05-14 14:50:49 -03:00
Roberto Ierusalimschy
3cadc37f47 no more 'Proto' objects on the stack. Protos are anchored on outer
Protos or on a Closure, which must be created before the Proto.
2012-05-08 10:53:33 -03:00
Roberto Ierusalimschy
a4b96ce9a3 first implementation of long strings 2012-01-25 19:05:40 -02:00
Roberto Ierusalimschy
9f1a8dbdd3 'eqstr' -> 'luaS_eqstr' 2012-01-23 21:05:18 -02:00
Roberto Ierusalimschy
c82087b8dd cast from 'bool' to 'int' (for C++) 2011-12-07 12:43:55 -02:00
Roberto Ierusalimschy
8c62bde36f comment 2011-11-29 13:54:38 -02:00
Roberto Ierusalimschy
8119374e74 avoid warnings of unreacheable 'break's 2011-11-28 15:25:16 -02:00
Roberto Ierusalimschy
217e67cb22 new type 'l_noret' for function that do not return 2011-10-07 17:45:19 -03:00
Roberto Ierusalimschy
89b59eee73 bug: __newindex metamethod may not work if metatable is its own
metatable + luaV_settable does not create entry when there is a
metamethod (and therefore entry is useless)
2011-08-17 17:26:47 -03:00
Roberto Ierusalimschy
92afcf2823 no more 'luaH_setstr (used only once) + 'luaH_setint' receives value
to be set.
2011-08-09 17:58:29 -03:00
Roberto Ierusalimschy
f62565abea avoid warnings with -Wstrict-overflow 2011-06-09 15:24:22 -03:00
Roberto Ierusalimschy
3b44821334 stricter control (using tag variants) over closure kinds (Lua x C) 2011-06-02 16:31:40 -03:00
Roberto Ierusalimschy
821bd7025e more uniform names for 'equalobj'-related functions 2011-05-31 15:27:56 -03:00
Roberto Ierusalimschy
9b7dddad7d no need for two different implementations for equality (one raw and
one with metamethods)
2011-05-31 15:24:36 -03:00
Roberto Ierusalimschy
81952e6884 avoid using expression as argument to unsafe macro 'l_isfalse' 2011-05-05 13:16:33 -03:00
Roberto Ierusalimschy
4758113043 change in opcode OP_LOADNIL: B is used as a counter instead of a
register. (Avoids an assignment to R(B), not present in any other
instruction.)
2011-04-19 13:22:13 -03:00
Roberto Ierusalimschy
05ca63642b added macro for code checking 2011-04-18 16:48:53 -03:00
Roberto Ierusalimschy
427ee519db new instruction OP_LOADKX (to replace OP_LOADK with extra argument) 2011-04-07 15:14:12 -03:00
Roberto Ierusalimschy
5286650894 new macro 'ttisequal' 2011-04-05 15:32:06 -03:00
Roberto Ierusalimschy
0fb1644c60 2nd operand for unary tag methods does not need to be 'nil' 2011-04-05 11:26:23 -03:00
Roberto Ierusalimschy
e7a9c45a48 trying to avoid assumption that sizeof(char)==1 2011-02-07 17:15:24 -02:00
Roberto Ierusalimschy
f8d677f94c no more 'OP_CLOSE' instructions (use jumps to close upvalues) 2011-02-07 10:28:27 -02:00
Roberto Ierusalimschy
06c7efb4a9 avoid extra increment to 'savedpc' when jumping 2011-02-01 16:32:55 -02:00
Roberto Ierusalimschy
dd547c55c8 new scheme to close upvalues in 'break'; jump instructions may
do the close, avoiding the need for a OP_CLOSE instruction
2011-02-01 16:03:10 -02:00
Roberto Ierusalimschy
c9af0768fc GC does not mark dead registers inside activation record 2010-12-17 10:05:37 -02:00
Roberto Ierusalimschy
ccc4fc9cf0 detection of erroneous numeric strings with \0 (such as "1\0") 2010-12-06 19:08:36 -02:00
Roberto Ierusalimschy
fdd5f2f7a3 comment typos 2010-10-29 15:52:46 -02:00
Roberto Ierusalimschy
4590a89b32 corrected warnings from different compilers (mostly casts and small
details)
2010-10-25 17:01:37 -02:00
Roberto Ierusalimschy
a71c5f6f53 typo in comments 2010-06-30 11:11:17 -03:00
Roberto Ierusalimschy
fabe4ec487 better barrier for prototypes 2010-06-07 13:55:34 -03:00
Roberto Ierusalimschy
575074fd85 Lua closures are cached for reuse 2010-06-04 10:25:10 -03:00
Roberto Ierusalimschy
cf531912f2 one more macro (mvdispatch) to easy experiments with alternative
dispatch methods
2010-05-13 16:53:05 -03:00
Roberto Ierusalimschy
b6e9fcbd70 use of macro ('vmcase') to format all cases in main switch of
'luaV_execute' (to facilitate experiences with direct threading)
2010-05-12 17:40:35 -03:00
Roberto Ierusalimschy
8554baeacf small changes in 'luaV_execute' to make cases more regularly formatted 2010-05-12 17:31:33 -03:00
Roberto Ierusalimschy
237f755dca typos in comments 2010-05-05 15:49:56 -03:00
Roberto Ierusalimschy
fde866e303 details (comments) 2010-05-04 14:25:19 -03:00
Roberto Ierusalimschy
49ca1f7083 allows thread switches (when/if there are thread switches) in the same
places that finalizers can run (so they should be safe...)
2010-04-19 14:58:46 -03:00
Roberto Ierusalimschy
53f9499f7f "light C function" is a better name than "C-function pointer" 2010-04-18 10:22:48 -03:00
Roberto Ierusalimschy
575befc394 comparsion tag methods follow the same rule as other binary TMs 2010-04-18 10:15:11 -03:00
Roberto Ierusalimschy
b7be05ad27 invalid instructions "cannot" happen 2010-04-15 16:43:43 -03:00
Roberto Ierusalimschy
7dfa4cd655 first implementation of light C functions 2010-04-14 12:13:48 -03:00
Roberto Ierusalimschy
d394d5536a new macro 'eqstr' 2010-04-05 13:26:37 -03:00
Roberto Ierusalimschy
a08fc34ee4 avoid using 'luaS_new' when can use 'luaS_newlstr' 2010-04-02 12:39:07 -03:00
Roberto Ierusalimschy
9eb832de54 work related to hooks moved from 'luaV_execute' to 'traceexec' 2010-03-29 17:45:49 -03:00
Roberto Ierusalimschy
064e406f67 no more fenvs! 2010-03-26 17:58:11 -03:00
Roberto Ierusalimschy
25c557ec63 first version of _ENV; no more global variables 2010-03-12 16:14:06 -03:00
Roberto Ierusalimschy
347f0c33d1 avoid 'continue' unless necessary 2010-02-27 18:16:24 -03:00
Roberto Ierusalimschy
0fe2576a39 new instructions to optimize indexing on upvalues 2010-02-26 17:40:29 -03:00
Roberto Ierusalimschy
36ab1ee10c __unm metamethod gets nil as its 2nd parameter 2010-01-15 14:23:58 -02:00
Roberto Ierusalimschy
c3a6f3fa1c 'lua_objlen' replaced by 'lua_rawlen', 'lua_len', and 'luaL_len' 2009-12-17 14:20:01 -02:00
Roberto Ierusalimschy
b0f2b288a6 new scheme for debug info about tail calls: no more 'fake' stack entries,
but stack entry knows whether it was tail called
2009-11-25 13:27:51 -02:00
Roberto Ierusalimschy
77077b39d5 comment explaining OP_VARARG was wrong (and corresponding code was not
very clear)
2009-10-28 10:20:07 -02:00
Roberto Ierusalimschy
0ac3d07ea6 first implementation of lexical environments 2009-09-30 12:38:37 -03:00
Roberto Ierusalimschy
5938212748 information about upvalues (where they come from) kept in Proto structure,
instead of sequence of pseudo-opcodes after OP_CLOSURE
2009-09-28 13:32:50 -03:00
Roberto Ierusalimschy
fcc46467fa limit of constants per function changed to 2^26 using extra arguments
to opcodes LOADK, GETGLOBAL, and SETGLOBAL
2009-09-23 17:33:05 -03:00
Roberto Ierusalimschy
3135a6bbab luaH_[gs]etnum renamed to luaH_[gs]etint (as they only accept integers,
not generic numbers)
2009-08-07 13:17:41 -03:00
Roberto Ierusalimschy
11d7ba79f2 tail calls do not need to move whole new frame down, only its slice
up to last parameter (the rest has not been used yet)
2009-07-15 15:38:16 -03:00
Roberto Ierusalimschy
afb3f7e754 bug: 'luaV_settable' may invalidate a reference to a table and try
to reuse it.
2009-07-01 17:31:25 -03:00
Roberto Ierusalimschy
2bdd194f43 exports luaV_arith to be used by lua_arith + uses 'luaO_arith' to
perform basic arith. operations
2009-06-17 14:50:09 -03:00
Roberto Ierusalimschy
77fd93188e 'lessequal' renamed 'luaV_lessequal' and exported to be used by
'lua_compare'
2009-06-17 13:17:14 -03:00
Roberto Ierusalimschy
2258ec6bc9 'getline' renamed to 'getfuncline' (to avoid problems with POSIX) 2009-06-10 13:57:53 -03:00
Roberto Ierusalimschy
9423e22aa3 no more L->base + ci->base only for Lua functions (C functions may use
'func')
2009-06-01 16:09:26 -03:00
Roberto Ierusalimschy
57f8414de1 small bug in 'luaV_concat' (L->top was left incorrect in some cases) 2009-05-27 14:11:27 -03:00
Roberto Ierusalimschy
eea6d10866 details (use ci->base instead of L->base when possible) 2009-05-22 12:19:54 -03:00
Roberto Ierusalimschy
d7bc346d7a no more code checking 2009-04-30 14:42:21 -03:00
Roberto Ierusalimschy
d3037d97ec several small improvements based on 'ci' being fixed now (including
erasing savedpc from lua_State)
2009-04-17 19:00:01 -03:00
Roberto Ierusalimschy
4f88418170 'CallInfo' stack implemented as double-linked list instead of an array 2009-04-17 11:28:06 -03:00
Roberto Ierusalimschy
ba484b9eb1 yielding across lua_call (first version) 2009-03-10 14:14:37 -03:00
Roberto Ierusalimschy
1817dfc301 initial separation, in CallInfo, of what is relevant only to Lua
functions or only to C functions
2009-03-04 10:32:29 -03:00
Roberto Ierusalimschy
facfcd497f detail 2009-03-02 13:34:23 -03:00
Roberto Ierusalimschy
2b590aea40 no more '__len' metamethod for strings 2009-02-16 17:09:28 -03:00
Roberto Ierusalimschy
b472098493 concat TM can yield 2008-11-06 10:43:51 -02:00
Roberto Ierusalimschy
84b3daebbd generic for coded as two dedicated instructions to simplify resumption 2008-10-30 13:39:30 -02:00
Roberto Ierusalimschy
f6978173e0 yields accross metamethods and for iterators (except for __concat) 2008-10-28 14:53:16 -02:00
Roberto Ierusalimschy
4376c9bc5f more specific test to avoid calling luaF_close when function returns 2008-09-09 10:53:02 -03:00
Roberto Ierusalimschy
f94cd2201c better control of call status through CallInfo 2008-08-26 10:27:42 -03:00
Roberto Ierusalimschy
fdbb243ff9 first steps towards yielding through longjump 2008-08-13 14:02:42 -03:00
Roberto Ierusalimschy
a4d3080fe3 SETLIST extra argument now is an "instruction" (OP_EXTRAARG) 2008-04-02 14:38:54 -03:00
Roberto Ierusalimschy
fe0838cd1c tables and strings respect __len metamethod 2007-09-10 14:59:32 -03:00
Roberto Ierusalimschy
6c042e17b1 avoid boolean equality (tricky for some compilers) 2007-06-19 16:48:15 -03:00
Roberto Ierusalimschy
1a455acc81 two small bugs: some metamethods do not accept callable non-function
objects + __concat converts numbers to strings before calling metamethod
2007-03-26 12:56:23 -03:00
Roberto Ierusalimschy
08f902cf49 better documentation for auxiliary functions (that should be called only
through specific macros).
2007-02-09 11:04:52 -02:00
Roberto Ierusalimschy
569a326931 small optimization for ""..x 2006-09-19 11:06:45 -03:00