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344 Commits

Author SHA1 Message Date
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
Roberto Ierusalimschy
25c557ec63 first version of _ENV; no more global variables 2010-03-12 16:14:06 -03:00
Roberto Ierusalimschy
1124cb1247 first step towards _ENV: all chunks have an puvalues _ENV with the 
global table
 2010-03-08 13:55:52 -03:00
Roberto Ierusalimschy
e560ac4862 when searching for a variable name, look existing upvalues before 
goingg to upper levels
 2010-03-04 15:12:57 -03:00
Roberto Ierusalimschy
0fe2576a39 new instructions to optimize indexing on upvalues 2010-02-26 17:40:29 -03:00
Roberto Ierusalimschy
389c890ed3 again changing macro to function to save a few bytes 2010-01-06 09:48:02 -02:00
Roberto Ierusalimschy
e3866afa97 macro 'luaY_checklimit' changed into a function (and renamed 'checklimit'). 
It makes no sense to trade space for time in the parser.
 2010-01-05 16:46:58 -02:00
Roberto Ierusalimschy
3c4d970a7b comment typos 2009-11-26 09:39:20 -02:00