Commit Graph

224 Commits

Author SHA1 Message Date
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
Roberto Ierusalimschy
2626708b72 details 2002-03-21 17:31:43 -03:00
Roberto Ierusalimschy
bd8b9c94b3 generic for (with any number of control variables) 2002-03-08 16:10:32 -03:00
Roberto Ierusalimschy
8a1a512c64 lu_byte is enough for those fields (maxstack < 256) 2002-03-05 09:42:47 -03:00
Roberto Ierusalimschy
38b0e6128d simpler implementation for `for' loops 2002-02-05 20:39:12 -02:00
Roberto Ierusalimschy
74907fb71e OP_LOADINT can be done by OP_LOADK 2002-01-25 19:50:39 -02:00
Roberto Ierusalimschy
b38e594ed7 small improvements 2002-01-18 15:39:40 -02:00
Roberto Ierusalimschy
7ab7703b53 cleaner semantics for test instructions (skips) 2002-01-16 20:03:57 -02:00
Roberto Ierusalimschy
f083812c02 first implementation of coroutines 2002-01-09 20:02:47 -02:00
Roberto Ierusalimschy
9aff171f3b new type `boolean' 2001-12-11 20:48:44 -02:00
Roberto Ierusalimschy
72659a0605 no more explicit support for wide-chars; too much troble... 2001-11-28 18:13:13 -02:00
Roberto Ierusalimschy
abdbe883a8 first implementation of unrestricted static scoping 2001-09-07 14:39:10 -03:00
Roberto Ierusalimschy
e1d072571e better syntax for type casts 2001-08-31 16:46:07 -03:00
Roberto Ierusalimschy
8c8ad5f3ff better locality of assignment of table values 2001-08-30 17:56:43 -03:00
Roberto Ierusalimschy
c3d72096c4 use a table to find (and reuse) constants when parsing 2001-08-27 12:16:28 -03:00
Roberto Ierusalimschy
95988676d8 small bug when creating AsBc instructions in 16-bit machines 2001-07-24 14:19:07 -03:00
Roberto Ierusalimschy
a598804a04 small bug in luaK_self (side effects) 2001-07-17 11:30:44 -03:00
Roberto Ierusalimschy
8e586c13fc cleaner way to ensure alignment for strings and userdata 2001-06-15 17:36:57 -03:00
Roberto Ierusalimschy
89c301d180 `(exp)' adjusts exp to 1 result 2001-06-12 11:36:48 -03:00