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451 Commits

Author SHA1 Message Date
Roberto Ierusalimschy 4a1612ff9b new experimental syntax using reserved word 'undef' 2018-03-07 12:55:38 -03:00
Roberto Ierusalimschy 49dae52d08 correct way to check stack space for vararg functions 2018-02-17 17:20:00 -02:00
Roberto Ierusalimschy b1379936cf vararg back to '...' (but with another implementation) 
new implementation should have zero overhead for non-vararg functions
 2018-02-09 13:16:06 -02:00
Roberto Ierusalimschy 318a9a5859 new opcode 'PREPVARARG' 
(avoids test for vararg function in all function calls)
 2018-02-07 13:18:04 -02:00
Roberto Ierusalimschy 4676f6599e new macros 'isOT'/'isIT' 
(plus exchanged parameters of OP_VARARG to make it similar to other
'isOT' instructions)
 2017-12-22 12:16:46 -02:00
Roberto Ierusalimschy d388c165ef new opcodes 'FORLOOP1'/'FORPREP1' for "basic for" (integer variable 
with increment of 1)
 2017-12-18 15:53:50 -02:00
Roberto Ierusalimschy 3064edead2 details (cleaning uses of 'exp1') 2017-12-18 10:33:54 -02:00
Roberto Ierusalimschy b3f924bc69 'Proto->numparams' does not include vararg parameter 
(one less subtraction when calling functions...)
 2017-12-15 11:07:10 -02:00
Roberto Ierusalimschy e001d5aea6 'VRELOCABLE' -> 'VRELOC' 2017-12-14 12:24:02 -02:00
Roberto Ierusalimschy 49dfaf7447 avoid using one function for different tasks (malloc, free, etc.) 2017-12-06 16:36:31 -02:00
Roberto Ierusalimschy 10b8c99bbb small peephole optimizations 2017-11-30 11:29:18 -02:00
Roberto Ierusalimschy 196c87c9ce no more 'stackless' implementation; 'luaV_execute' calls itself 
recursively to execute function calls. 'unroll' continues all
executions suspended by an yield (through a long jump)
 2017-11-23 14:41:16 -02:00
Roberto Ierusalimschy 283e7455ff detail 2017-10-04 18:53:03 -03:00
Roberto Ierusalimschy 722bdbe17d no more 'getBMode'-'getCMode' (imprecise + we will need more space 
for op mode) + better control of op modes
 2017-09-28 13:53:29 -03:00
Roberto Ierusalimschy 80d9b09f35 jumps do not close upvalues (to be faster and simpler); 
explicit instruction to close upvalues; command 'break' not
handled like a 'goto' (to optimize removal of uneeded 'close'
instructions)
 2017-09-13 16:50:08 -03:00
Roberto Ierusalimschy ac65bab25f jumps in 'for' loops don't need to be signed 2017-08-14 15:33:14 -03:00
Roberto Ierusalimschy b77f792b23 comment 2017-08-12 10:12:21 -03:00
Roberto Ierusalimschy 07db10813c 'OP_VARARG' has the vararg parameter as an operand 2017-06-29 12:38:41 -03:00
Roberto Ierusalimschy f96497397a new type 'StackValue' for stack elements 
(we may want to put extra info there in the future)
 2017-06-29 12:06:44 -03:00
Roberto Ierusalimschy b42430fd3a 'lineinfo' in prototypes saved as differences instead of absolute 
values, so that the array can use bytes instead of ints, reducing
its size. (A new array 'abslineinfo' is used when line differences
do not fit in a byte.)
 2017-06-27 08:35:31 -03:00
Roberto Ierusalimschy 5c8770f896 back to old-style vararg system (with vararg table collecting extra 
arguments)
 2017-05-13 10:04:33 -03:00
Roberto Ierusalimschy 5ecb31003f bug: cannot "skip" labels after if-goto before the jump over the 
'then' part
 2017-04-29 15:09:17 -03:00
Roberto Ierusalimschy 502a1d1108 new opcodes for table access with constant keys (strings and integers) 2017-04-28 17:57:45 -03:00
Roberto Ierusalimschy 6a98aa0bb0 new opcode LOADI (for loading immediate integers) 2017-04-20 16:53:55 -03:00
Roberto Ierusalimschy e4a9e6fcca do not eliminate varargs from functions that do not use varargs 
(confuses the debug lib and gains very little in performance)
 2016-08-01 16:51:24 -03:00
Roberto Ierusalimschy dcb2998aa6 bug: expression list with four or more expressions in 
a 'for' loop can crash the interpreter. ('adjust_assign' must
remove extra expresssions from its registers.)
 2016-06-22 12:48:25 -03:00
Roberto Ierusalimschy b65252b39b 'singlevaraux' returns result only in 'var->k' 2016-05-13 16:10:16 -03:00
Roberto Ierusalimschy e7b2e01d43 bug: label between local definitions can mix-up their initializations 2016-03-07 16:25:39 -03:00
Roberto Ierusalimschy 1f259be52a 'getcode' -> 'getinstruction' 2016-01-05 14:22:37 -02:00
Roberto Ierusalimschy 542dbd4c65 detail (moving bodies of 'while' to a separate line) 2015-12-09 13:21:28 -02:00
Roberto Ierusalimschy 8c1fb91802 macro 'incr_top' replaced by function 'luaD_inctop'. (It is not used 
in critical time pathes, can save a few bytes without the macro)
 2015-11-02 14:09:30 -02:00
Roberto Ierusalimschy 6707ce6349 function prepares vararg only if it really uses them (chunks 
are always declared vararg but seldom uses them)
 2015-10-28 15:28:40 -02:00
Roberto Ierusalimschy de3933480e details 2014-12-27 18:31:43 -02:00
Roberto Ierusalimschy 9c41d9d1df removed unneeded barrier ('from' must be white) 2014-11-27 16:41:43 -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 bdf566a8a3 `name' in comments changed to 'name' 2014-10-25 09:50:46 -02:00
Roberto Ierusalimschy f97c64d7bf macros 'LUA_QL'/'LUA_QL' deprecated 2014-10-17 13:28:21 -03:00
Roberto Ierusalimschy 17ee57f8e0 'iswhite' and related macros now can work directly on any object 
(no need to convert to 'GCObject')
 2014-07-21 13:02:10 -03:00
Roberto Ierusalimschy ca41b43f53 type 'TString' refers directly to the structure inside the union 
(union used only for size purposes)
 2014-07-18 10:36:14 -03:00
Roberto Ierusalimschy 56137d58ff added check for conversion 'obj2gco' (and corrections for small 
problems detected by this check)
 2014-07-18 09:17:54 -03:00
Roberto Ierusalimschy 89b56e7d84 more precision between closure types ('LClosure' x 'CClosure') 2014-06-19 15:27:20 -03:00
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 a948054a19 new order for binary operations (grouping them by type of result) 2013-12-16 17:06:52 -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 439d74e29f added 'local' bit (true => object is only refered by local variables) 2013-08-16 15:55:49 -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 1ce57628b2 comments 2013-02-06 11:37:39 -02:00
Roberto Ierusalimschy 233eac4d3a detail (avoid being picky about conversion from 'unsigned char' 
to 'int')
 2012-08-06 10:36:34 -03:00
Roberto Ierusalimschy 8d0e1ed52f extend optimization of 'if a then break end' for the case 
'if a then break; end'
 2012-05-20 11:51:23 -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 c54f5f64c9 primaryexp -> suffixedexp; prefixexp -> primaryexp + more 'syntactical' 
way to distinguish between function calls and assignments
 2012-04-20 16:20:05 -03:00
Roberto Ierusalimschy 9f1a8dbdd3 'eqstr' -> 'luaS_eqstr' 2012-01-23 21:05:18 -02:00
Roberto Ierusalimschy 5999e14ad9 old error messages may be misleading 2011-12-02 11:23:56 -02:00
Roberto Ierusalimschy 6d8b672094 more uses of 'l_noret' 2011-11-30 10:43:51 -02:00
Roberto Ierusalimschy fd8a849621 detail (avoid applying macro 'getstr' with a function-call argument) 2011-10-31 15:46:04 -02:00
Roberto Ierusalimschy 6819c2a98a silly bug in 5.2 beta: assignment conflict code did not test to check 
whether variable was a table element
 2011-10-24 12:51:44 -02:00
Roberto Ierusalimschy e24f1ee9ff lint (unreachable code) 2011-09-30 09:44:45 -03:00
Roberto Ierusalimschy 500336efd0 small bug in if-goto optimization: block must be closed ('leaveblock') 
*before* the jump out ('escapelist')
 2011-09-14 14:40:26 -03:00
Roberto Ierusalimschy c8f47c2934 optimization for |if cond then goto| 2011-08-30 13:38:58 -03:00
Roberto Ierusalimschy 121dc8af66 cleaner code for 'if' construct 2011-08-25 10:45:24 -03:00
Roberto Ierusalimschy 3dc5475e23 'nCcalls' should be local to each thread, as each thread may have its 
own C stack (with LuaThreads or something similar)
 2011-08-23 14:24:34 -03:00
Roberto Ierusalimschy 59bcd137ae reducing even more use of C stack by the parser: struct 'FuncState' 
does not need field 'L' + number of labels/gotos in a chunk may be
limited to SHRT_MAX. (Also removed some non-needed 'unsigned's.)
 2011-07-27 15:09:01 -03:00
Roberto Ierusalimschy 32a12e2f3f detail (cleaned whitespaces at end of lines) 2011-07-15 09:50:29 -03:00
Roberto Ierusalimschy d93df22bf6 small simplifications (and assert was wrongly written) 2011-07-02 12:58:14 -03:00
Roberto Ierusalimschy 374773748b back to "one-label-per-block" 2011-06-27 15:18:59 -03:00
Roberto Ierusalimschy 719c01359f label syntax changed to ':🏷️:' 2011-06-20 13:52:48 -03:00
Roberto Ierusalimschy fdede85419 label names must be unique inside a function 2011-06-16 13:36:39 -03:00
Roberto Ierusalimschy c9ce754e38 comment 2011-05-02 14:33:01 -03:00
Roberto Ierusalimschy f17e3624ef local function name only visible to debug info after being initialized 2011-04-18 16:48:24 -03:00
Roberto Ierusalimschy 7482e8f914 no need of lookahead in Zio 2011-02-23 10:13:10 -03:00
Roberto Ierusalimschy c0a865fa54 error for repeated label + jumps allowed to labels followed by 
'no-op' statements
 2011-02-14 14:36:34 -02:00
Roberto Ierusalimschy 0009ac1f3a 'break' does not need to be last statement in a block + 
'explist1' -> 'explist' + moving a few functions around
 2011-02-14 12:59:28 -02:00
Roberto Ierusalimschy bf8b08295a 'break' coded as 'goto' + small bug when closing multiple gotos 
to the same label
 2011-02-10 12:50:41 -02:00
Roberto Ierusalimschy 3f5b56c48b simpler code for repeat-until 2011-02-09 15:03:18 -02:00
Roberto Ierusalimschy e7192dfdbb corrected 'follow' for checking whether label is last statement 
in a block
 2011-02-09 14:51:28 -02:00
Roberto Ierusalimschy 0539f48661 small changes in goto-related error messages 2011-02-09 12:45:19 -02:00
Roberto Ierusalimschy fd6c1f4898 ensures that all local variables are declared inside some block, 
opening a new block at 'open_func'
 2011-02-07 17:00:30 -02:00
Roberto Ierusalimschy f079749287 some reorganization of dynamic data structures used by the parser 2011-02-07 15:14:50 -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 7cc0e63d8a first implementation of 'goto' 2011-02-04 15:34:43 -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 c4ea0c3b29 detail (cleaning trailing spaces) 2011-01-26 14:30:02 -02:00
Roberto Ierusalimschy 7e0caa7d61 new closures are always created on "next" register (so that GC knows 
stack limit)
 2010-12-17 10:03:41 -02:00
Roberto Ierusalimschy 4a83fe569c comment 2010-12-15 17:13:29 -02:00
Roberto Ierusalimschy 0df2238063 name "_ENV" configurable through 'luaconf.h' 2010-09-07 16:21:39 -03:00
Roberto Ierusalimschy 8d9ea59d28 'pushclosure' -> 'codeclosure' (as there is another 'pushclosure' in 
'lvm.c) + small detail
 2010-08-23 14:32:34 -03:00
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 ca3865cf1b 'getlocal' gets information about parameters of Lua functions 2010-06-21 13:30:12 -03:00
Roberto Ierusalimschy bd619b9311 new macro MAXUPVAL (maximum number of upvalues per closure) 2010-05-31 13:08:55 -03:00
Roberto Ierusalimschy 12c764ed1e semicolons now represent the empty statement 2010-05-15 10:32:02 -03:00
Roberto Ierusalimschy 058279d548 comments 2010-05-14 12:03:43 -03:00
Roberto Ierusalimschy 0d00729e31 detail (breaking a long line) 2010-05-13 09:03:26 -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 6abde1b05a no need to keep "_ENV" name in global state (can be kept in lex state) 2010-04-05 13:35:37 -03:00
Roberto Ierusalimschy d394d5536a new macro 'eqstr' 2010-04-05 13:26:37 -03:00
Roberto Ierusalimschy 22ef84b6c8 '_ENV' name permanently stored in global state for easier access 2010-03-13 12:55:42 -03:00