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468 Commits

Author SHA1 Message Date
Roberto Ierusalimschy
4cd1f4aac0 Towards "to closed" local variables 
Start of the implementation of "scoped variables" or "to be closed"
variables, local variables whose '__close' (or themselves) are called
when they go out of scope. This commit implements the syntax, the
opcode, and the creation of the corresponding upvalue, but it still
does not call the finalizations when the variable goes out of scope
(the most important part).

Currently, the syntax is 'local scoped name = exp', but that will
probably change.
 2018-10-08 10:42:07 -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
4d5de1c1fb Fixed bug in line info. when using 'not' operator 
When creating code for a jump on a 'not' condition, the code generator
was removing an instruction (the OP_NOT) without adjusting its
corresponding line information.

This fix also added tests for this case and extra functionality in
the test library to debug line info. structures.
 2018-07-11 12:53:23 -03:00
Roberto Ierusalimschy
b08c9079c5 Opcode names moved to a new header file 
The array with the names of the opcodes was moved to a header file
('lopnames.h'), as it is not used by the Lua kernel. Files that need
that array ('luac.c' and 'ltests.c') include the header file to get
a private (static) copy.
 2018-07-09 12:50:51 -03:00
Roberto Ierusalimschy
6e600695f8 field 'sizearray' in struct 'Table' changed to 'alimit', which can 
be used as a hint for '#t'
 2018-06-15 11:14:20 -03:00
Roberto Ierusalimschy
992b6d2712 no more 'TESTGRAYBIT' (to free this bit for real uses) 2018-06-11 11:19:50 -03:00
Roberto Ierusalimschy
9e3db70482 details (casts between 'lua_Number' and 'double') 2018-03-09 16:24:45 -03:00
Roberto Ierusalimschy
9243c414d9 first version of empty entries in tables 
(so that, in the future, tables can contain regular nil entries)
 2018-02-23 10:16:18 -03:00
Roberto Ierusalimschy
ca6fe7449a userdata can have multiple user values 2018-02-20 13:52:50 -03:00
Roberto Ierusalimschy
e2b15aa21d janitor work on casts 2018-01-28 13:13:26 -02:00
Roberto Ierusalimschy
33e3774f44 keep more opcode arguments byte-aligned 2018-01-09 09:24:12 -02:00
Roberto Ierusalimschy
c6fedc92f8 new command 'print' (to print literal strings) in mini-language 2017-12-29 13:59:37 -02:00
Roberto Ierusalimschy
f8c1c1469a some cleaning on signed opcode parameters 2017-12-15 16:53:48 -02:00
Roberto Ierusalimschy
3cf340f676 allows memory-allocation errors when shrinking blocks 2017-12-11 16:55:31 -02:00
Roberto Ierusalimschy
40f823ec90 new C instruction "rawcheckstack" (to test failing in 'lua_checkstack') 2017-12-08 13:19:13 -02:00
Roberto Ierusalimschy
cc01d46247 new test function 'T.allocount' to restrict number of allocations 
before a memory-allocation error
 2017-12-07 16:51:39 -02:00
Roberto Ierusalimschy
39f26b1480 more information from 'T.stacklevel' 2017-11-23 13:38:42 -02:00
Roberto Ierusalimschy
7c0175bc83 removed unused variable 'islocked' 2017-11-09 11:31:29 -02:00
Roberto Ierusalimschy
c3e5946fb2 new format for JUMP instructions (to allow larger offsets) 2017-11-07 15:20:42 -02:00
Roberto Ierusalimschy
ad0704e40c back to 'CallInfo' (no gains with its removal) 2017-11-07 11:25:26 -02:00
Roberto Ierusalimschy
472c560705 no more useful fields in CallInfo 2017-11-03 15:22:54 -02:00
Roberto Ierusalimschy
54eb35a8aa more fields moved out of 'CallInfo' 2017-11-03 10:12:30 -02:00
Roberto Ierusalimschy
ba36180fd7 new API for 'lua_resume' + cleaning the uses of the 'extra' field in 
'CallInfo'
 2017-11-02 09:28:56 -02:00
Roberto Ierusalimschy
b9e76be8a6 using 'L->func' when possible 2017-11-01 16:20:48 -02:00
Roberto Ierusalimschy
a1ef58b3a5 eplicit 1-bit opcode operand 'k' 2017-10-04 18:56:32 -03:00
Roberto Ierusalimschy
7f9a32ad85 new function 'printcode' 2017-10-01 16:17:51 -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
5a1c8d8ef3 new constant 'LUA_GNAME' for the name of the global table "_G" 2017-06-27 15:32:49 -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
73ec04fcf3 no more 'DEADKEY'. Table traversals do not need to consider dead keys; 
if the key is dead, it cannot be given to 'next'. Instead, we now
use a 'table' tag without the collectable bit, which makes it
a unique tag good enough to reserve space.
 2017-06-12 11:21:44 -03:00
Roberto Ierusalimschy
b6f87491af in hash nodes, keys are stored in separate pieces to avoid wasting 
space with alignments
 2017-06-09 13:48:44 -03:00
Roberto Ierusalimschy
8821746841 updated GC states in function 'T.gcstate' 2017-05-31 15:54:58 -03:00
Roberto Ierusalimschy
2376eb6347 barrier for prototype's cache (with new gray list 'protogray' to keep 
prototypes to have their caches visited again) + constant 'MAXMISS'
 2017-05-04 10:32:01 -03:00
Roberto Ierusalimschy
2caecf1b3e type 'L_Umaxalign' replaced by macro 'LUAI_MAXALIGN', which is also added 
to the auxlib buffer
 2017-04-24 15:06:12 -03:00
Roberto Ierusalimschy
69371c4b84 'KGC_NORMAL' -> 'KGC_INC' + emergency GC signalled by flag (instead 
of mode)
 2017-04-24 13:59:26 -03:00
Roberto Ierusalimschy
7ae180f8e8 corrected some checks about colors of old objects + new test function 
'gcage'
 2017-04-19 15:46:47 -03:00
Roberto Ierusalimschy
4679294796 memory check adapted to generational mode 2017-04-18 16:42:12 -03:00
Roberto Ierusalimschy
f5f3df3bd1 generational collection: new attempt (still incomplete) 2017-02-23 18:07:34 -03:00
Roberto Ierusalimschy
b2aa2ba046 using constants for "_LOADED" and "PRELOAD" 2016-12-04 18:17:24 -02:00
Roberto Ierusalimschy
7b1fba69b7 using 'lastfree == NULL' to signal that table is using the dummy 
node for its hash part + new macro 'allocsizenode'
 2016-11-07 10:38:35 -02:00
Roberto Ierusalimschy
880f82d089 '*' as a number means stack size, so that "return *" returns 
all values in the stack.
 2015-10-12 13:38:19 -03:00
Roberto Ierusalimschy
53be1451a8 new definition for macro 'checkliveness' 2015-09-08 13:55:43 -03:00
Roberto Ierusalimschy
2de3361c6c detail 2015-07-01 14:47:12 -03:00
Roberto Ierusalimschy
cbe05b48bb using 'lua_longassert' to avoid warnings 2015-06-18 11:25:26 -03:00
Roberto Ierusalimschy
4998e852ec new function 'log2' to test 'luaO_ceillog2' (if needed) 2015-04-02 18:10:21 -03:00
Roberto Ierusalimschy
331632e8d8 code detail ('if' -> '?:') 2015-03-13 13:24:50 -03:00
Roberto Ierusalimschy
0cf3b6495a 'ci_func' don't need to be exported 2015-03-11 13:10:41 -03:00
Roberto Ierusalimschy
7e2015a46d size of short strings stored in a single byte, to reduce the size 
of struct 'TString'
 2015-01-16 14:54:37 -02:00
Roberto Ierusalimschy
77e786d436 stupid bug in T.stacklevel (not in use by the tests) 2014-12-18 10:13:42 -02:00
Roberto Ierusalimschy
741ad97e92 new parameter for testC instruction 'pcall' (error handler) 2014-12-10 09:30:51 -02:00