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58 Commits

Author SHA1 Message Date
Roberto Ierusalimschy
e500892e18 Optimization/simplification of 'getbaseline' 
By producing absolute line information at regular intervals, a simple
division can compute the correct entry for a given instruction.
 2021-02-02 14:43:55 -03:00
Roberto Ierusalimschy
949187b049 Optimizations for line hook 
The function 'changedline' tries harder to avoid calling
'luaG_getfuncline' plus small changes in the use of 'L->oldpc'.
 2021-01-28 14:40:29 -03:00
Roberto Ierusalimschy
4bd10b6fe8 Better error messages for calling non-callable objects 
When available, use the calling code to find a suitable name for what
was being called; this is particularly useful for errors of non-callable
metamethods. This commit also improved the debug information for
order metamethods.
 2020-12-29 13:15:54 -03:00
Roberto Ierusalimschy
a2195644d8 Fixed bug: invalid 'oldpc' when returning to a function 
The field 'L->oldpc' is not always updated when control returns to a
function; an invalid value can seg. fault when computing 'changedline'.
(One example is an error in a finalizer; control can return to
'luaV_execute' without executing 'luaD_poscall'.) Instead of trying to
fix all possible corner cases, it seems safer to be resilient to invalid
values for 'oldpc'. Valid but wrong values at most cause an extra call
to a line hook.
 2020-07-17 11:01:05 -03:00
Roberto Ierusalimschy
6d04537ea6 A to-be-closed variable must have a closable value (or be nil) 
It is an error for a to-be-closed variable to have a non-closable
non-nil value when it is being closed. This situation does not seem to
be useful and often hints to an error. (Particularly in the C API, it is
easy to change a to-be-closed index by mistake.)
 2018-11-29 16:02:44 -02:00
Roberto Ierusalimschy
e073cbc2e5 Better error messages for invalid operands in numeric 'for' 
"Better" and similar to error messages for invalid function arguments.
  *old message: 'for' limit must be a number
  *new message: bad 'for' limit (number expected, got table)
 2018-10-30 15:46:56 -03:00
Roberto Ierusalimschy
f99509581e Removed extra information from RCS keyword strings 
Version numbers and dates (mostly wrong) from RCS keyword strings
removed from all source files; only the file name are kept.
 2018-08-23 14:26:12 -03:00
Roberto Ierusalimschy
6f2b8e21c4 added 'const' to 'Proto*' when possible 2018-06-08 16:06:59 -03:00
Roberto Ierusalimschy
e64e20ac81 minimizing the code ran by 'vmfetch' + no more 'vra' 
(the code is simpler without 'vra' and conversion is a no-op)
 2018-05-02 15:17:59 -03:00
Roberto Ierusalimschy
e2b15aa21d janitor work on casts 2018-01-28 13:13:26 -02:00
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
6142e663e4 reuse of 'addinfo' by lexical errors 2015-05-22 14:45:56 -03:00
Roberto Ierusalimschy
0cf3b6495a 'ci_func' don't need to be exported 2015-03-11 13:10:41 -03:00
Roberto Ierusalimschy
ad20689feb better error message for bitwise operators (they are not arithmetic...) 2014-11-10 12:46:05 -02:00
Roberto Ierusalimschy
fed236ca7f detail (unknown lines are marked as -1, not 0) 2014-02-25 11:31:16 -03:00
Roberto Ierusalimschy
f2043b7a58 correct error message for conversion errors from float to int 2013-05-06 14:21:59 -03:00
Roberto Ierusalimschy
9b9becf384 added 'const' to parameters of 'luaG_concaterror' 2013-04-29 13:58:10 -03:00
Roberto Ierusalimschy
32bf6c9b27 functions 'traceexec', 'callTM', and 'call_binTM' moved to other 
files to make 'lvm.c' a little smaller
 2013-04-25 12:59:42 -03:00
Roberto Ierusalimschy
217e67cb22 new type 'l_noret' for function that do not return 2011-10-07 17:45:19 -03:00
Roberto Ierusalimschy
3b44821334 stricter control (using tag variants) over closure kinds (Lua x C) 2011-06-02 16:31:40 -03:00
Roberto Ierusalimschy
2258ec6bc9 'getline' renamed to 'getfuncline' (to avoid problems with POSIX) 2009-06-10 13:57:53 -03:00
Roberto Ierusalimschy
d7bc346d7a no more code checking 2009-04-30 14:42:21 -03:00
Roberto Ierusalimschy
8718fda9b2 added LUAI_FUNC to functions not in the API 2005-04-25 16:24:10 -03:00
Roberto Ierusalimschy
e8d4fe7236 new macro lua_threadyield' + lock stuff in luaconf.h' + details 2004-06-02 16:07:55 -03:00
Roberto Ierusalimschy
47fc57a252 TObject' renamed to TValue' + other name changes and better assertions 
for incremental garbage collection
 2003-12-10 10:13:36 -02:00
Roberto Ierusalimschy
fa26d294ae new way to control `pc' of running functions 2003-07-16 17:49:02 -03:00
Roberto Ierusalimschy
43013b39cc new representation for hooks (to allow asynchronous calls to sethook) 2002-11-18 09:01:55 -02:00
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
9998082839 external messages add their own extra information 2002-08-08 17:08:41 -03:00
Roberto Ierusalimschy
2e38c6ae5a luadebug.h' content now is included in lua.h' 2002-08-06 15:01:50 -03:00
Roberto Ierusalimschy
a2fa48a570 new (old?) error handling scheme 2002-08-06 12:32:22 -03:00
Roberto Ierusalimschy
0417a4bb0b new implementation for tailcalls and error handling 2002-08-05 11:51:21 -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
922f36a05b details 2002-06-24 12:07:21 -03:00
Roberto Ierusalimschy
1dbe708aa8 new protocol for error handling 2002-06-18 12:19:27 -03:00
Roberto Ierusalimschy
b7a0503c1d new format for error messages 2002-05-15 15:57:44 -03:00
Roberto Ierusalimschy
9a0f0dcc77 precompiler may create functions without `lineinfo' 2002-05-02 10:06:20 -03:00
Roberto Ierusalimschy
6c7334a9ac line trace uses savedpc' to save last pc' seen 2002-04-10 09:11:07 -03:00
Roberto Ierusalimschy
801aaf37b1 simpler implementation for line information 2002-03-25 14:47:14 -03:00
Roberto Ierusalimschy
938092489b erroneous objects may not live in the stack 2002-03-19 09:45:25 -03:00
Roberto Ierusalimschy
72659a0605 no more explicit support for wide-chars; too much troble... 2001-11-28 18:13:13 -02:00
Roberto Ierusalimschy
2a4afb97c8 new module lopcodes.c for tables describing opcodes 2001-06-28 16:58:57 -03:00
Roberto Ierusalimschy
0a1b1acdd3 details about opcode parameters 2001-06-11 11:56:42 -03:00
Roberto Ierusalimschy
65c289b046 details 2001-06-07 10:46:29 -03:00
Roberto Ierusalimschy
762d059a13 new implementation for the Virtual Machine 2001-06-05 15:17:01 -03:00
Roberto Ierusalimschy
39b7978329 first (big) step to support wide chars 2001-02-23 14:17:25 -03:00
Roberto Ierusalimschy
b3da4ee907 checking consistency of jumps. 2001-02-12 17:54:50 -02:00
Roberto Ierusalimschy
c81404cae5 first version of code verification 2001-02-09 16:37:33 -02:00