Commit Graph

410 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
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
Roberto Ierusalimschy 35fa276099 parser/scanner keep GC running 2009-11-17 14:33:38 -02:00
Roberto Ierusalimschy 1448e736f0 better documentation for constructor syntax 2009-10-14 13:43:11 -03:00
Roberto Ierusalimschy 6e415e9387 local function definition does not need to correct debug information 2009-10-13 16:35:42 -03:00
Roberto Ierusalimschy 916587508c parser keeps list of active local variables in a single dynamic array,
therefore saving C stack space
2009-10-11 17:02:19 -03:00
Roberto Ierusalimschy 0ac3d07ea6 first implementation of lexical environments 2009-09-30 12:38:37 -03:00
Roberto Ierusalimschy 5938212748 information about upvalues (where they come from) kept in Proto structure,
instead of sequence of pseudo-opcodes after OP_CLOSURE
2009-09-28 13:32:50 -03:00
Roberto Ierusalimschy f8e354e240 detail (space between function name and its parameter list) 2009-09-23 17:14:00 -03:00
Roberto Ierusalimschy 4e1ffc482a test for 'fs' being NULL at the end of 'close_func' is useless ('fs'
cannot be NULl and the new ls->fs can only be NULL when the token
is EOS, in which case anchor_token has no effect).
2009-08-10 17:41:04 -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 2598138ece new function 'luaK_codek' (detail) 2009-06-10 13:52:03 -03:00
Roberto Ierusalimschy d7bc346d7a no more code checking 2009-04-30 14:42:21 -03:00
Roberto Ierusalimschy 3dbf305408 no more support for old-style varargs 2009-03-26 09:57:01 -03:00
Roberto Ierusalimschy 84b3daebbd generic for coded as two dedicated instructions to simplify resumption 2008-10-30 13:39:30 -02:00
Roberto Ierusalimschy 9e58e0df8f some cleaning 2008-10-28 10:55:00 -02:00
Roberto Ierusalimschy 198be23f36 added structure for local-variable information to allow extra
checkings if needed
2008-05-08 12:44:51 -03:00
Roberto Ierusalimschy 5627d51e05 corrected error message ("too many constants" -> "too many functions") 2008-04-02 14:19:22 -03:00
Roberto Ierusalimschy 3138afbe2e parser should not call 'luaX_lexerror' 2007-10-25 14:45:47 -02:00
Roberto Ierusalimschy 4eef0aaad1 detail 2007-10-18 09:01:52 -02:00
Roberto Ierusalimschy f6a81dbe97 BUG: too many variables in an assignment may cause a C stack overflow 2007-07-31 16:39:52 -03:00
Roberto Ierusalimschy aa003eba8e details 2007-05-11 14:28:56 -03:00
Roberto Ierusalimschy 5f4f0d4a63 no more optimization to avoid LOADNIL at function start 2007-03-27 11:11:38 -03:00
Roberto Ierusalimschy 92dc64e121 more regularity in the use of quotes in error messages 2007-02-07 15:49:18 -02:00
Roberto Ierusalimschy 4d7cfff6df comments 2006-11-22 09:02:03 -02:00
Roberto Ierusalimschy 9f5a052c27 error message 2006-10-24 10:31:48 -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 93bf618504 BUG: there is only one C stack, so nCcalls must be global 2006-08-15 16:59:20 -03:00
Roberto Ierusalimschy 0782416a74 bug: wrong limit for list constructors 2006-07-12 16:02:50 -03:00
Roberto Ierusalimschy 3ca9af51a4 emergency garbage collector (core forces a GC when allocation fails) 2006-07-11 12:53:29 -03:00
Roberto Ierusalimschy ee41bc03ab details 2006-06-22 13:12:59 -03:00
Roberto Ierusalimschy ed64346b9d details 2006-06-05 12:57:59 -03:00
Roberto Ierusalimschy 3d61c31e5a 'lparser.h' should not include 'ltable.h' 2006-03-09 15:15:48 -03:00
Roberto Ierusalimschy c505f341d6 small changes in casts 2005-12-22 14:19:56 -02:00
Roberto Ierusalimschy 87024e257d details 2005-12-07 13:43:05 -02:00