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360 Commits

Author SHA1 Message Date
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