Commit Graph

430 Commits

Author SHA1 Message Date
Roberto Ierusalimschy 8ce6f0b418 avoid including system headers after program headers 2003-03-06 16:37:42 -03:00
Roberto Ierusalimschy 69dd9461e5 bug: GC metamethod calls could mess C/Lua stack syncronization 2003-02-28 16:45:15 -03:00
Roberto Ierusalimschy e1a424e8a3 avoid the identifier `index' (clashes with BSD `index' function) 2003-02-27 09:33:07 -03:00
Roberto Ierusalimschy 92f6e0c1bf no-nonsense debug information about tail calls 2003-02-27 08:52:30 -03:00
Roberto Ierusalimschy 60c83ded30 small optimization for sizes of array constructors 2003-02-18 13:02:56 -03:00
Roberto Ierusalimschy 7a40cdbda0 different variables for number of upvalues and size of upvalue array
(makes code clearer)
2003-02-11 08:46:24 -02:00
Roberto Ierusalimschy e79bf02f33 correct semantics for comparison metamethods (they are only valid
when both operands have the same metamethod).
2003-01-27 13:12:52 -02:00
Roberto Ierusalimschy 9e8face8d8 must move call results in the last iteration, too 2002-12-11 10:34:22 -02:00
Roberto Ierusalimschy cc4a22ebe2 bug: scope of generic for variables is not sound 2002-12-06 15:09:00 -02:00
Roberto Ierusalimschy 27c6b4d422 each .c file defines its own name 2002-12-04 15:38:31 -02:00
Roberto Ierusalimschy 5f698f8b6f simpler interface to hooks + use of `int' to count hooks 2002-11-25 15:47:13 -02:00
Roberto Ierusalimschy b8a680c114 resets hook count even in case of errors 2002-11-25 09:20:29 -02:00
Roberto Ierusalimschy 84488c5670 small bug: previous call may change `base' 2002-11-21 15:19:42 -02:00
Roberto Ierusalimschy be00cd2a6b easier way to keep `base' correct 2002-11-21 13:46:44 -02:00
Roberto Ierusalimschy ddc144e4d2 keep L->ci->base in L->base for faster access 2002-11-21 13:16:04 -02:00
Roberto Ierusalimschy b48c6e7680 no problem keeping some dead meat while doing collection 2002-11-21 12:18:01 -02:00
Roberto Ierusalimschy 642af82e81 small bugs (state could keep its CI_HASFRAME attribute after returning) 2002-11-19 06:50:56 -02:00
Roberto Ierusalimschy 9bab2cf55d support for yield inside hooks 2002-11-18 13:24:11 -02:00
Roberto Ierusalimschy 43013b39cc new representation for hooks (to allow asynchronous calls to sethook) 2002-11-18 09:01:55 -02:00
Roberto Ierusalimschy 41fd639cab documentation for write barriers 2002-11-14 14:15:53 -02:00
Roberto Ierusalimschy dff9be4224 new macros to distinguish different types of object moves (for future GC
evolution).
2002-11-07 13:37:10 -02:00
Roberto Ierusalimschy 118347d8c3 new API for coroutines 2002-11-06 17:08:00 -02:00
Roberto Ierusalimschy 96e15b8501 threads now are real Lua objects, subject to garbage collection 2002-10-25 17:05:28 -03:00
Roberto Ierusalimschy b3d0682fb9 use of different buffers for scanner and concatenation 2002-10-08 15:46:08 -03:00
Roberto Ierusalimschy e8f35fc4ff unification of __index & __gettable (and __newindex & __settable) 2002-09-19 17:12:47 -03:00
Roberto Ierusalimschy 565e6d74e1 state's buffer is used only for chars 2002-09-19 10:03:53 -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 8e4ac679ff use a linear count for count hook 2002-08-12 14:23:12 -03:00
Roberto Ierusalimschy 5016f43aa4 (much) cleaner way to control function states 2002-08-07 16:22:39 -03:00
Roberto Ierusalimschy b6e2f1a86e small bugs when stack is reallocated 2002-08-07 11:24:24 -03:00
Roberto Ierusalimschy 4e23699aa6 new implementation for error handling 2002-08-05 14:36:24 -03:00
Roberto Ierusalimschy 79c8edb6c4 new names for light userdata operations 2002-07-17 13:25:13 -03:00
Roberto Ierusalimschy e5146fb01f CallInfo has different fields for C functions and Lua functions 2002-07-16 11:26:56 -03:00
Roberto Ierusalimschy 44752fc9ce hook count is quadratic 2002-07-08 17:22:08 -03:00
Roberto Ierusalimschy 39b2d58c39 new interface for debug hooks 2002-07-08 15:21:33 -03:00
Roberto Ierusalimschy f8279f6cd8 optimizations for gettable (temporary) 2002-07-05 15:27:39 -03:00
Roberto Ierusalimschy 922f36a05b details 2002-06-24 12:07:21 -03:00
Roberto Ierusalimschy ad41fc11eb details in arithmetic implementation 2002-06-24 11:11:14 -03:00
Roberto Ierusalimschy e34f282365 `luaV_gettable' returns element position 2002-06-24 10:08:45 -03:00
Roberto Ierusalimschy 3941af53ad first implementation of independent global table per function 2002-06-20 17:41:46 -03:00
Roberto Ierusalimschy c31494df26 avoid gotos when possible 2002-06-14 14:21:32 -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 000d081fd0 warnings from other compilers 2002-06-06 15:17:33 -03:00
Roberto Ierusalimschy fa23301251 defintions for lua_number2str and lua_str2number don't need to be public 2002-06-05 09:34:19 -03:00
Roberto Ierusalimschy 5094c37988 `strconc' -> `concat' 2002-06-03 11:08:43 -03:00
Roberto Ierusalimschy 46c471d7e9 new `__newindex' eventfield 2002-05-27 17:35:40 -03:00
Roberto Ierusalimschy b7a0503c1d new format for error messages 2002-05-15 15:57:44 -03:00
Roberto Ierusalimschy af19d55635 generic for also coded to make test at the end of the loop 2002-05-13 10:09:00 -03:00
Roberto Ierusalimschy 78b40bf57d `skip' instructions must be followed by a jump 2002-05-09 11:14:34 -03:00
Roberto Ierusalimschy 0dbf0c5953 new format for test intructions (handle NaN correctly) 2002-05-06 12:51:41 -03:00
Roberto Ierusalimschy 9a0f0dcc77 precompiler may create functions without `lineinfo' 2002-05-02 10:06:20 -03:00
Roberto Ierusalimschy 9b38a696d5 avoid names that differ only in capitalization 2002-04-24 17:07:46 -03:00
Roberto Ierusalimschy f388ee4a82 new way to handle errors 2002-04-22 11:40:23 -03:00
Roberto Ierusalimschy 6c7334a9ac line trace uses `savedpc' to save last `pc' seen 2002-04-10 09:11:07 -03:00
Roberto Ierusalimschy 7b65328c8e new semantics for `generic for' (with state) 2002-04-09 16:47:44 -03:00
Roberto Ierusalimschy 801aaf37b1 simpler implementation for line information 2002-03-25 14:47:14 -03:00
Roberto Ierusalimschy 00af2faae7 first implementation of proper tail call 2002-03-22 13:54:31 -03:00
Roberto Ierusalimschy 63a614e145 some improvements in stack control 2002-03-20 09:52:32 -03:00
Roberto Ierusalimschy 938092489b erroneous objects may not live in the stack 2002-03-19 09:45:25 -03:00
Roberto Ierusalimschy bd8b9c94b3 generic for (with any number of control variables) 2002-03-08 16:10:32 -03:00
Roberto Ierusalimschy 6b0c38c2e7 `inline' of tonumber 2002-03-04 18:33:09 -03:00
Roberto Ierusalimschy 51bf91a970 detail 2002-03-04 12:40:04 -03:00
Roberto Ierusalimschy 1e602a61b3 new generic `for' 2002-02-14 19:46:43 -02:00
Roberto Ierusalimschy 67bda7e136 details. 2002-02-07 15:24:05 -02:00
Roberto Ierusalimschy 38b0e6128d simpler implementation for `for' loops 2002-02-05 20:39:12 -02:00
Roberto Ierusalimschy d6fd33e76f `eventtable' renamed to `metatable' 2002-01-30 15:26:44 -02:00
Roberto Ierusalimschy 50e2952593 first version of dynamic stack 2002-01-25 20:14:54 -02:00
Roberto Ierusalimschy 448517e47e no more linehook field in CallInfo 2002-01-18 15:39:06 -02:00
Roberto Ierusalimschy 7ab7703b53 cleaner semantics for test instructions (skips) 2002-01-16 20:03:57 -02:00
Roberto Ierusalimschy 5d14ce612b details 2002-01-11 18:27:11 -02:00
Roberto Ierusalimschy f083812c02 first implementation of coroutines 2002-01-09 20:02:47 -02:00
Roberto Ierusalimschy facfec0687 small optimizations 2002-01-03 15:42:57 -02:00
Roberto Ierusalimschy 42754c0f15 small optimizations 2001-12-20 19:26:52 -02:00
Roberto Ierusalimschy 18afb90349 first version of stackless Lua 2001-12-20 13:13:38 -02:00
Roberto Ierusalimschy eb7312d9be comments 2001-12-13 16:10:55 -02:00
Roberto Ierusalimschy 9aff171f3b new type `boolean' 2001-12-11 20:48:44 -02:00
Roberto Ierusalimschy a4c35a3269 it doesn't pay to optimize absence when it is an error 2001-12-10 20:10:30 -02:00
Roberto Ierusalimschy 592a309177 tag system replaced by event tables 2001-12-05 18:15:18 -02:00
Roberto Ierusalimschy 413fc7334b new implementation for lua upvalues (sugested by E.T.): simpler and solves
a bug for multi-stacks
2001-11-29 18:22:22 -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 26bf2adace optimizations for space in LClosures and time cleanning weak tables 2001-11-06 19:41:53 -02:00
Roberto Ierusalimschy af59848219 tables of globals accessible through pseudo-index in C API 2001-10-31 17:58:11 -02:00
Roberto Ierusalimschy 21aa7e55f2 optimization for array part of a Table 2001-10-25 17:14:14 -02:00
Roberto Ierusalimschy 15462edb0f new definitions for closure structures 2001-10-02 13:45:03 -03:00
Roberto Ierusalimschy f54cdb33a5 small bug in close x return 2001-09-28 13:48:16 -03:00
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 770954510f rename of `kproto' to `p' 2001-06-28 11:57:17 -03:00
Roberto Ierusalimschy b346834a09 new macros for changing numbers 2001-06-28 11:48:44 -03:00
Roberto Ierusalimschy 37f3a1c045 too much optimization to "break" keys in tables; keep them as TObjects... 2001-06-26 10:20:45 -03:00
Roberto Ierusalimschy 878979cef7 no more opnames in binary tag methods 2001-06-20 14:22:46 -03:00
Roberto Ierusalimschy 8e586c13fc cleaner way to ensure alignment for strings and userdata 2001-06-15 17:36:57 -03:00
Roberto Ierusalimschy eadf2aaaff small optimizations 2001-06-15 16:17:33 -03:00
Roberto Ierusalimschy 0a1b1acdd3 details about opcode parameters 2001-06-11 11:56:42 -03:00
Roberto Ierusalimschy 79acf5ea60 details 2001-06-08 16:20:02 -03:00
Roberto Ierusalimschy cbc59592ff new definition for `luaD_call' and `luaD_adjusttop' 2001-06-08 16:01:38 -03:00
Roberto Ierusalimschy 0267168675 details. 2001-06-08 09:29:27 -03:00
Roberto Ierusalimschy 943b8f5b18 details 2001-06-05 16:41:24 -03:00
Roberto Ierusalimschy 762d059a13 new implementation for the Virtual Machine 2001-06-05 15:17:01 -03:00
Roberto Ierusalimschy a68635a919 list constructors do not adjust last expression 2001-04-06 15:25:00 -03:00
Roberto Ierusalimschy dd3a63c205 new way to handle `profiles' 2001-03-26 11:31:49 -03:00
Roberto Ierusalimschy c5a23cf01a details 2001-03-07 15:16:22 -03:00
Roberto Ierusalimschy 6048c4f74d better way to link callinfo's and stack 2001-03-07 15:09:25 -03:00
Roberto Ierusalimschy 5e870f86a2 optimization for tailcall does not seem to pay itself 2001-03-07 10:22:55 -03:00
Roberto Ierusalimschy dfd7ce74cf buffer should be void *, as char now is not that neutral... 2001-02-23 17:32:16 -03:00
Roberto Ierusalimschy 39b7978329 first (big) step to support wide chars 2001-02-23 14:17:25 -03:00
Roberto Ierusalimschy 5f37134e64 avoid '...' and "..." inside comments 2001-02-22 15:59:59 -03:00
Roberto Ierusalimschy 099442c41f better separation between basic types 2001-02-20 15:15:33 -03:00
Roberto Ierusalimschy 1bdc156b52 details 2001-02-12 11:04:19 -02:00
Roberto Ierusalimschy d2e340f467 string pointers are always fully aligned 2001-02-09 18:22:29 -02:00
Roberto Ierusalimschy b6ce590433 details 2001-02-09 16:07:47 -02:00
Roberto Ierusalimschy 7178a5e34a new way to handle top x L->top 2001-02-07 16:13:49 -02:00
Roberto Ierusalimschy 1f917e709c better use of extra include files (both for tests and for old_ansi) 2001-02-06 14:01:29 -02:00
Roberto Ierusalimschy 426d3e43bd lock/unlock may use L + better structure for internal debug stuff 2001-02-02 13:13:05 -02:00
Roberto Ierusalimschy 9a231afa97 top must be updated when there is any error 2001-02-01 15:39:55 -02:00
Roberto Ierusalimschy 4ab6acacdf better control of relationship top x L->top 2001-02-01 14:03:38 -02:00
Roberto Ierusalimschy 6b71a9cfe5 smaller tables for machines with 8-bit alignment 2001-01-29 15:17:26 -02:00
Roberto Ierusalimschy 3b6f8bfbe6 simpler implementation of for loops 2001-01-29 13:26:40 -02:00
Roberto Ierusalimschy caf01b5bfa better implementation for list "for" 2001-01-29 11:14:49 -02:00
Roberto Ierusalimschy ca1f28b829 avoid side-effects on macros that may use twice their arguments 2001-01-26 16:43:22 -02:00
Roberto Ierusalimschy c8559e3c8d a small optimization 2001-01-24 14:20:54 -02:00
Roberto Ierusalimschy 71ae4801d6 macros LUA_ENTRY/LUA_EXIT to control exclusive access to Lua core 2001-01-24 13:45:33 -02:00
Roberto Ierusalimschy 4ac58853dc thead-specific state separated from "global" state 2001-01-19 11:20:30 -02:00
Roberto Ierusalimschy f2c451d745 all accesses to TObjects done through macros 2001-01-18 13:59:09 -02:00
Roberto Ierusalimschy a04de4f0ad no more END opcode 2001-01-15 14:13:24 -02:00
Roberto Ierusalimschy a653d93a43 string comparison only needs to test for "less than" 2001-01-11 16:59:32 -02:00
Roberto Ierusalimschy dabb19fc17 specialized versions for luaH_set (numbers and strings) 2001-01-10 16:56:11 -02:00
Roberto Ierusalimschy 08496eea8b small changes in lstring 2001-01-10 15:41:50 -02:00
Roberto Ierusalimschy 0183b8030c `free' gets size of the block: complete control over memory use 2000-12-28 10:55:41 -02:00
Roberto Ierusalimschy 4894c27962 lua_Number defined in lua.h (1st version) 2000-12-04 16:33:40 -02:00
Roberto Ierusalimschy 96253ed8ce better support for 64-bit machines (avoid excessive use of longs) 2000-11-24 15:39:56 -02:00
Roberto Ierusalimschy b892f0a877 new API function `createuserdata' 2000-10-26 10:47:05 -02:00
Roberto Ierusalimschy ad3816d0d1 luaD_call is more uniform 2000-10-06 09:45:25 -03:00
Roberto Ierusalimschy 046a3d6173 tag methods are always functions, so don't need to store a whole object 2000-10-05 10:00:17 -03:00
Roberto Ierusalimschy 001f2bdd0e new definition for types-tags 2000-10-05 09:14:08 -03:00
Roberto Ierusalimschy cd2ddaded9 call hooks can only be called when `pc' is active (that is, inside
`execute'...)
2000-10-04 09:16:08 -03:00
Roberto Ierusalimschy d68209e822 details. 2000-10-03 11:27:44 -03:00
Roberto Ierusalimschy 1088cde03c easier way to change type Number 2000-10-03 11:03:21 -03:00
Roberto Ierusalimschy f6834f4393 new API function `lua_type' + new type lua_Type 2000-10-02 17:10:55 -03:00
Roberto Ierusalimschy 78bc8e553d new API for garbage collector 2000-10-02 11:47:43 -03:00
Roberto Ierusalimschy c2aa7bd72d bug: lua_gettable does not get key from stack top 2000-09-25 11:48:42 -03:00
Roberto Ierusalimschy eb822c314a macros to do jumps 2000-09-20 14:57:08 -03:00
Roberto Ierusalimschy 787a78f83e new scheme for buffers 2000-09-11 14:38:42 -03:00
Roberto Ierusalimschy 6e80c1cde1 new version for API 2000-09-05 16:33:32 -03:00
Roberto Ierusalimschy ebdd4e8451 `call' doesn't use pack anymore 2000-08-31 18:02:55 -03:00
Roberto Ierusalimschy 100bfec39a new implementation for `next' 2000-08-31 11:08:27 -03:00
Roberto Ierusalimschy 9d60598260 better definitions for MULTRET 2000-08-29 11:48:16 -03:00
Roberto Ierusalimschy 4e56c0d514 better implementation for luaV_pack 2000-08-29 11:41:56 -03:00
Roberto Ierusalimschy 3723d790ae checkstack needs a correct stack 2000-08-22 17:53:30 -03:00
Roberto Ierusalimschy b800c38b69 simpler code for settable and gettable 2000-08-22 17:49:29 -03:00
Roberto Ierusalimschy d1ffd1a1c5 details 2000-08-14 14:45:59 -03:00
Roberto Ierusalimschy 9e84bf18db still more debug information 2000-08-11 13:17:28 -03:00
Roberto Ierusalimschy daf09c476f still better error messages 2000-08-10 16:50:47 -03:00
Roberto Ierusalimschy e238efc536 default now is multi-state 2000-08-09 16:16:57 -03:00
Roberto Ierusalimschy c39bec81dc bug: lastpc was not initialized 2000-08-09 11:49:41 -03:00
Roberto Ierusalimschy 0802a9df9e no more options for debug information: it is always on 2000-08-08 17:42:07 -03:00
Roberto Ierusalimschy f90bc248b3 new structure for line information 2000-08-08 15:26:05 -03:00
Roberto Ierusalimschy cfba572076 remove dummy argument in LUA_ASSERT 2000-06-30 11:35:17 -03:00
Roberto Ierusalimschy 014a09c509 better error messages 2000-06-28 17:21:06 -03:00
Roberto Ierusalimschy c07cebbbf6 details 2000-06-27 16:00:36 -03:00
Roberto Ierusalimschy afef009fce new version of debug system 2000-06-26 16:28:31 -03:00
Roberto Ierusalimschy 8d2baf719c comment 2000-06-19 15:04:41 -03:00
Roberto Ierusalimschy 1de5587184 `lua.h' is included before any other Lua header file 2000-06-12 10:52:05 -03:00
Roberto Ierusalimschy 8ca9534d04 access to `values' in TObject always through macros 2000-06-08 15:27:13 -03:00
Roberto Ierusalimschy 8bcf622876 new signature for `luaH_set' 2000-06-06 13:31:41 -03:00
Roberto Ierusalimschy 292c953018 new auxiliar function `luaH_setstr' 2000-06-05 17:15:33 -03:00
Roberto Ierusalimschy dbfb810267 cleansing of lparser.c 2000-06-05 11:56:18 -03:00
Roberto Ierusalimschy 7e30900def better field name 2000-05-30 16:00:31 -03:00
Roberto Ierusalimschy ed94a85f0c type details 2000-05-25 16:02:21 -03:00
Roberto Ierusalimschy ef62b340e0 code cleaner for 16 bits. 2000-05-24 10:54:49 -03:00
Roberto Ierusalimschy 5c2dd7a9e0 array `luaK_opproperties' keeps delta stack and mode for each opcode 2000-05-22 15:44:46 -03:00
Roberto Ierusalimschy 93d93a0bfb first implementation of `for' over tables 2000-05-15 16:48:04 -03:00
Roberto Ierusalimschy 11a7022067 global variables are stored in a Lua table 2000-05-08 16:32:53 -03:00
Roberto Ierusalimschy 89a9c36281 no more `register' declarations: leave it to the compiler. 2000-04-19 10:36:25 -03:00
Roberto Ierusalimschy 634c3d57e9 optimization for SETLOCAL was too specific. 2000-04-14 14:46:15 -03:00
Roberto Ierusalimschy e7c8393682 optimization INCLOCAL is not necessary, with `for' 2000-04-13 13:51:01 -03:00
Roberto Ierusalimschy f9cf402fbd first implementation of FOR 2000-04-12 15:57:19 -03:00
Roberto Ierusalimschy 031978798c more optimizations 2000-04-07 10:13:11 -03:00
Roberto Ierusalimschy 4e7e9e8de5 new opcode INCLOCAL. 2000-04-04 17:48:44 -03:00
Roberto Ierusalimschy a69356e9e0 no more special cases for closures with 0 upvalues (performance is the same,
memory use a little higher, code much simpler).
2000-03-29 17:19:20 -03:00
Roberto Ierusalimschy b53dc0c485 TAG_ARRAY -> TAG_TABLE 2000-03-27 17:10:21 -03:00
Roberto Ierusalimschy 4fb8e93c36 small optimization for i..'' 2000-03-17 10:09:12 -03:00
Roberto Ierusalimschy 73aa465a8e some name changes 2000-03-10 15:37:44 -03:00
Roberto Ierusalimschy 3d0577f4b9 small optimizations. 2000-03-10 11:38:10 -03:00
Roberto Ierusalimschy e3cf93ddb6 first implementation of "threaded code" for boolean operations 2000-03-09 10:57:37 -03:00
Roberto Ierusalimschy 88b306f495 some optimizations 2000-03-08 21:19:22 -03:00
Roberto Ierusalimschy 563de491be a better way to control optimizations. 2000-03-04 17:18:15 -03:00
Roberto Ierusalimschy 3c9d999424 many details (most by lhf). 2000-03-03 11:58:26 -03:00
Roberto Ierusalimschy 4d4e6f07c0 all order operators use a single tag method (<) 2000-02-22 16:12:46 -02:00
Roberto Ierusalimschy 3bc925138e first version of code optimizer 2000-02-22 11:31:43 -02:00
Roberto Ierusalimschy 3afe85b2ce new version for INSTRUCTION formats 2000-02-14 14:51:08 -02:00
Roberto Ierusalimschy 52aad0ab59 removing implementation for better error messages (must rethink it...) 2000-02-11 14:52:54 -02:00
Roberto Ierusalimschy 74f1c3d025 small changes for "clean C" 2000-02-08 14:39:42 -02:00
Roberto Ierusalimschy 1f691a4fcd renaming of some opcodes and fields 2000-01-28 14:53:00 -02:00
Roberto Ierusalimschy d11e5adf55 `const' array in protos breaked in 3 arrays (for strings, numbers, and
prototypes).
2000-01-25 11:57:18 -02:00
Roberto Ierusalimschy 99e340b2ba keep `top' in registers when running basic tasks (settable, getglobal, ...) 2000-01-24 18:14:07 -02:00
Roberto Ierusalimschy 512b15b601 small optimizations (relational operators) 2000-01-19 14:50:30 -02:00