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220 Commits

Author SHA1 Message Date
Roberto Ierusalimschy
8e5290d81e all "divisions" (div,idiv,mod) by zero are not folded, to avoid 
problems during compilation + does not fold zero results, as they
can collapse with -0.0 and the ANSI test to distinguish both needs
a division by zero (which we are trying to avoid) + removed macro
'luai_numinvalidop' (as its main use case were divisions by zero)
 2014-12-29 14:49:25 -02:00
Roberto Ierusalimschy
2b83711fba new macro 'nvalue' (to convert an object to a float when we know 
object is a number)
 2014-12-19 11:36:32 -02:00
Roberto Ierusalimschy
bf163ea7f0 bug ('#3' causes seg. fault in 5.3-beta) + comments + 'codearith' -> 
'codeexpval' (confusion about what operations function accept was
one of the reasons for the bug)
 2014-11-24 12:59:22 -02:00
Roberto Ierusalimschy
5fbd40dbe5 'x//y' extended to floats 2014-11-21 10:15:57 -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
4542fb9f78 comments (a few extra quotes around identifiers) 2014-10-30 16:53:28 -02:00
Roberto Ierusalimschy
4b526045fa comment 2014-10-28 15:27:41 -02:00
Roberto Ierusalimschy
491103708e 'MAXSTACK' -> 'MAXREGS' and moved to 'lcode.c' (there is no reason 
to change that constant...)
 2014-10-27 14:29:58 -02:00
Roberto Ierusalimschy
bdf566a8a3 `name' in comments changed to 'name' 2014-10-25 09:50:46 -02:00
Roberto Ierusalimschy
42ff788e53 comments 2014-05-08 15:58:46 -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
Roberto Ierusalimschy
f61ceee708 LUAI_FUNC is being used only in header files 2014-04-02 13:44:42 -03:00
Roberto Ierusalimschy
607be77ec8 some details to avoid warnings 2014-04-01 11:39:55 -03:00
Roberto Ierusalimschy
da4811238a details (typos in comments) 2014-03-21 10:52:33 -03:00
Roberto Ierusalimschy
2aff75f58e small bug (from revision 2.80): LUA_OP* constants are not from 
enumeration 'Opcode' (they are integers)
 2014-03-09 16:21:34 -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
99ac4a260f 'constfolding' passes a proper Lua state to 'luaO_arith' 2014-03-06 10:58:28 -03:00
Roberto Ierusalimschy
fa7e77fd38 detail ('codearith' uses 'LUA_OP*' constants instead of 'OP_*') 2014-03-06 10:39:05 -03:00
Roberto Ierusalimschy
19ad78d713 C++ needs casts for arithmetic with enums 2014-02-06 17:55:55 -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
1ea2d20f74 first implementation of '<<', '>>', and '~' (bitwise not) 2013-12-30 18:47:58 -02:00
Roberto Ierusalimschy
f5133aa1a5 small change in handling of unary operations 2013-12-18 16:44:42 -02:00
Roberto Ierusalimschy
c0edab0f6d first implementation of bitwise operators '&' (band), '|' (bor), 
and '~' (bxor)
 2013-12-18 12:12:03 -02:00
Roberto Ierusalimschy
a948054a19 new order for binary operations (grouping them by type of result) 2013-12-16 17:06:52 -02:00
Roberto Ierusalimschy
a8f8c7fd80 integer exponentiation with negative exponent is invalid 2013-12-16 12:30:22 -02:00
Roberto Ierusalimschy
8ef9e8460e bug (GC can collect long identifier during parser) + change (using 
a single constant table for all functions in a chunk)
 2013-08-30 13:01:37 -03:00
Roberto Ierusalimschy
483c2ccd0f avoid using raw representation of numbers for hashing, as number may 
not use all its space (e.g., long double can have sizeof=12 but
use only 10 bytes)
 2013-06-25 15:57:18 -03:00
Roberto Ierusalimschy
f45177f2d3 In the table that hashes constants, use a light userdata as keys 
to integer values to avoid collisions with floats with the same
numerical value
 2013-06-20 14:37:31 -03:00
Roberto Ierusalimschy
1f2b82bf25 correct way to avoid compile-time errors in integer divisions 2013-05-06 14:22:16 -03:00
Roberto Ierusalimschy
67532d5a10 constant folding and API arithmetic with integers 2013-05-02 09:37:24 -03:00
Roberto Ierusalimschy
00744a2729 'luaO_arith' -> 'luaO_numarith' 2013-04-29 13:57:48 -03:00
Roberto Ierusalimschy
a2f5c28a80 new operation '//' (integer division) 2013-04-26 10:08:29 -03:00
Roberto Ierusalimschy
5951c79ae1 default increment for 'for' loop is an integer (1, not 1.0) 2013-04-25 16:35:19 -03:00
Roberto Ierusalimschy
1294b09d8e first implementation of literal integers (no constant folding yet) 2013-04-16 15:46:28 -03:00
Roberto Ierusalimschy
7a543cfae6 2013-04-15 12:43:34 -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
ca458f1f52 'luaK_goiffalse' exported 2011-08-30 13:26:41 -03:00
Roberto Ierusalimschy
51471ba748 comments about use of 'luaH_set' 2011-08-15 16:41:58 -03:00
Roberto Ierusalimschy
5ab6d36d99 no more field 'L' in 'FuncState' 2011-07-27 15:07:37 -03:00
Roberto Ierusalimschy
32a12e2f3f detail (cleaned whitespaces at end of lines) 2011-07-15 09:50:29 -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
d120ec29ca bug in OP_SELF when method name goes to a register 2011-04-28 11:00:11 -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
427ee519db new instruction OP_LOADKX (to replace OP_LOADK with extra argument) 2011-04-07 15:14:12 -03:00
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
026a7e92be bug in some short-circuit optimizations 2011-01-31 12:28:41 -02:00