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242 Commits

Author SHA1 Message Date
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
Roberto Ierusalimschy 81dd13f4c6 new way to distinguish between indexing tables in registers and 
tables in upvalues (+ fixed small bug when checking conflicts in
multiple assignments)
 2010-07-07 13:27:29 -03:00
Roberto Ierusalimschy 6a02bbe1e2 better organization for fields in struct 'expdesc' 2010-07-02 17:42:40 -03:00
Roberto Ierusalimschy a71c5f6f53 typo in comments 2010-06-30 11:11:17 -03:00
Roberto Ierusalimschy c066ac10a9 better line numbers for function calls and unary/binary operators + 
null statement + no more "ambiguous syntax" restriction
 2010-04-17 09:46:32 -03:00
Roberto Ierusalimschy 25c557ec63 first version of _ENV; no more global variables 2010-03-12 16:14:06 -03:00
Roberto Ierusalimschy 0fe2576a39 new instructions to optimize indexing on upvalues 2010-02-26 17:40:29 -03:00
Roberto Ierusalimschy cef96b73e1 added casts from int to enumerations to follow C++ rules 2010-01-11 15:38:30 -02:00
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 1b4480003b "stange numbers" (-0 and NaN) also go to the constant table (as 
strings with their binary representation). Therefore, constant
folding may produce these results.
 2009-08-10 12:31:44 -03:00
Roberto Ierusalimschy d7872dcf91 small optimization (reorder of BinOpr enum to unify some cases 
in switches)
 2009-06-18 13:35:05 -03:00
Roberto Ierusalimschy 96fa34ec32 constant folding uses 'luaO_arith' to perform basic operations 2009-06-17 14:49:09 -03:00
Roberto Ierusalimschy 3db5f60547 BUG: "(((1 or false) and true) or false)" gives wrong result 2009-06-15 10:52:08 -03:00
Roberto Ierusalimschy 2598138ece new function 'luaK_codek' (detail) 2009-06-10 13:52:03 -03:00
Roberto Ierusalimschy 4d7469b610 avoid constant folding for -0 (to avoid it colapsing to 0) 2008-04-07 15:41:47 -03:00
Roberto Ierusalimschy a4d3080fe3 SETLIST extra argument now is an "instruction" (OP_EXTRAARG) 2008-04-02 14:38:54 -03:00
Roberto Ierusalimschy 81fc3c4f45 bug: code generated for "-nil", "-true", and "-false" is wrong 2007-05-04 15:41:49 -03:00
Roberto Ierusalimschy 5f4f0d4a63 no more optimization to avoid LOADNIL at function start 2007-03-27 11:11:38 -03:00
Roberto Ierusalimschy 3b19bd4d57 bug: wrong code when constant is coded after it should be 2007-03-09 15:50:56 -03:00
Roberto Ierusalimschy 742b8be0c1 detail 2006-10-10 14:39:00 -03:00
Roberto Ierusalimschy 3c8865cf66 detail 2006-09-22 17:24:38 -03:00
Roberto Ierusalimschy bd869c7b31 details 2006-09-14 15:42:28 -03:00
Roberto Ierusalimschy d5a23dde90 little better error messages for internal arrays overflows 2006-09-14 09:59:06 -03:00
Roberto Ierusalimschy dfe2f1eeff macros luai_num* take a state L (when available) as argument, to allow 
them to generate errors (and other facilities)
 2006-08-07 16:14:30 -03:00
Roberto Ierusalimschy ee41bc03ab details 2006-06-22 13:12:59 -03:00
Roberto Ierusalimschy 1ae0b6c0bf BUG: should copy the union, not (some of) its fields 2006-03-21 16:28:49 -03:00
Roberto Ierusalimschy c505f341d6 small changes in casts 2005-12-22 14:19:56 -02:00
Roberto Ierusalimschy db724e14e0 new macro luai_numisnan 2005-11-25 11:29:32 -02:00
Roberto Ierusalimschy 521a452f28 'mod' may also raise an error when applied to zero 2005-11-16 09:55:27 -02:00
Roberto Ierusalimschy e43e95553f more privacy 2005-11-08 17:44:31 -02:00
Roberto Ierusalimschy 8e48ebb638 no more L in numer-operator macros (some functions that use those macros 
have no access to L)
 2005-10-24 15:37:52 -02:00
Roberto Ierusalimschy e9b06c506f small optimization 2005-10-13 09:21:51 -03:00
Roberto Ierusalimschy e251e84e0f constant folding optimizations 2005-10-09 17:05:48 -03:00
Roberto Ierusalimschy 5dbb870815 small optimization for local declarations without initializations 2005-09-30 11:23:33 -03:00
Roberto Ierusalimschy 3b19af44b0 new method to handle tests without values (negative values) 2005-08-29 17:49:21 -03:00
Roberto Ierusalimschy 074352911f new coding for while and repeat (with new scoping for repeat) 2005-08-17 15:32:09 -03:00
Roberto Ierusalimschy 746a1d612b small bug (type error) 2005-06-07 15:53:45 -03:00
Roberto Ierusalimschy f21e9c172f details 2005-05-20 12:53:42 -03:00
Roberto Ierusalimschy 04bbd01171 new operation *t (for size of t) (may yet be removed...) 2005-03-16 13:59:21 -03:00
Roberto Ierusalimschy 370d31a559 `luac´ -> `luai' (to avoid confusion with other luac stuff) 2005-03-09 13:28:07 -03:00
Roberto Ierusalimschy f8df21bd20 `luaconf.h´ exports all its definitions always (so all of them 
must have a lua/LUA prefix).
 2005-03-08 17:10:05 -03:00
Roberto Ierusalimschy 8ddfe3df29 macros for all arithmetic operations over lua_Numbers 2005-01-10 16:17:39 -02:00
Roberto Ierusalimschy c78940f21a static names do not need `luaX_' prefix 2004-12-03 18:50:25 -02:00
Roberto Ierusalimschy 5ee87acd6b small optimization for boolean constants + new format for SETLIST opcode 2004-10-04 16:01:53 -03:00
Roberto Ierusalimschy 4b12eff801 small correction (less conservative write barrier for tables) 2004-08-24 17:09:11 -03:00
Roberto Ierusalimschy 31e48f26ed small bug 2004-07-16 10:30:53 -03:00
Roberto Ierusalimschy 02a2c01ccd new way to code RK values 2004-06-29 15:49:02 -03:00
Roberto Ierusalimschy 616438fe9a new way to use `vararg' parameters (with `...') 2004-05-31 15:51:50 -03:00
Roberto Ierusalimschy b4cd38ba6c new scheme for configuration through `luaconf.h' 2004-04-30 17:13:38 -03:00
Roberto Ierusalimschy 47fc57a252 `TObject' renamed to `TValue' + other name changes and better assertions 
for incremental garbage collection
 2003-12-10 10:13:36 -02:00
Roberto Ierusalimschy df429f163a First version of incremental GC 2003-12-09 14:56:11 -02:00
Roberto Ierusalimschy 8bc6c68021 details 2003-11-19 17:59:18 -02:00
Roberto Ierusalimschy 8332d5c8a5 parser fully reentrant(!) 2003-08-27 18:01:44 -03:00
Roberto Ierusalimschy c116dcb92b better information about instruction behavior (use of arguments) 2003-05-14 09:09:12 -03:00
Roberto Ierusalimschy 0d88545b82 warnings from several compilers (mainly typecasts when lua_Number is float) 2003-04-03 10:35:34 -03:00
Roberto Ierusalimschy e1a424e8a3 avoid the identifier `index' (clashes with BSD `index' function) 2003-02-27 09:33:07 -03:00
Roberto Ierusalimschy 73517e86b0 OP_TFORLOOP uses extra stack space 2002-12-11 10:34:22 -02:00
Roberto Ierusalimschy 27c6b4d422 each .c file defines its own name 2002-12-04 15:38:31 -02:00
Roberto Ierusalimschy 41fd639cab documentation for write barriers 2002-11-14 14:15:53 -02:00
Roberto Ierusalimschy c196348717 in case of memory allocation errors, sizecode and sizelineinfo can 
be different
 2002-10-16 17:40:58 -03:00
Roberto Ierusalimschy fbc23d0245 details 2002-08-21 15:56:33 -03:00
Roberto Ierusalimschy 6c283b2f4f new simetric format for ABC instructions, to avoid exchanging operands 
for `commutative' operators
 2002-08-20 17:03:05 -03:00
Roberto Ierusalimschy 5037196f6f new macros `ttis*' 2002-08-05 11:50:39 -03:00
Roberto Ierusalimschy 864c96f36c new fallback for equality `__eq' 2002-06-13 10:39:55 -03:00
Roberto Ierusalimschy eeab473fc8 new fallback __le (less equal), for partial order 2002-06-12 11:56:22 -03:00
Roberto Ierusalimschy cfff013586 detail 2002-06-03 14:47:18 -03:00
Roberto Ierusalimschy 46c471d7e9 new `__newindex' eventfield 2002-05-27 17:35:40 -03:00
Roberto Ierusalimschy 1c328a191a no more `global' declarations 2002-05-14 14:52:22 -03:00
Roberto Ierusalimschy b55fded18c details about jump optimization 2002-05-13 10:07:48 -03:00
Roberto Ierusalimschy 2dadc81822 cleaner implementation of code generation for jumps 2002-05-10 16:22:11 -03:00
Roberto Ierusalimschy b487975344 optimization for `while' (first version) 2002-05-10 14:02:32 -03:00
Roberto Ierusalimschy 78b40bf57d `skip' instructions must be followed by a jump 2002-05-09 11:14:34 -03:00
Roberto Ierusalimschy dea6b6da94 new function `lua_vpushstr' to replace uses of `sprintf' 2002-05-07 14:36:56 -03:00
Roberto Ierusalimschy 0dbf0c5953 new format for test intructions (handle NaN correctly) 2002-05-06 12:51:41 -03:00
Roberto Ierusalimschy 9b38a696d5 avoid names that differ only in capitalization 2002-04-24 17:07:46 -03:00
Roberto Ierusalimschy 3ee1efa7b2 some simplifications 2002-04-22 11:37:09 -03:00
Roberto Ierusalimschy f1f271ae76 details 2002-04-10 15:05:08 -03:00
Roberto Ierusalimschy 13ab5a6bb1 details 2002-04-02 17:43:08 -03:00
Roberto Ierusalimschy 801aaf37b1 simpler implementation for line information 2002-03-25 14:47:14 -03:00