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Author SHA1 Message Date
Roberto Ierusalimschy
e2b15aa21d janitor work on casts 2018-01-28 13:13:26 -02:00
Roberto Ierusalimschy
89110986d7 bug in tailcall of vararg functions 
(when adjusting missing parameters)
 2018-01-28 11:39:52 -02:00
Roberto Ierusalimschy
53979dfe0d calling a vararg function needs to check GC 
(because it creates a new table)
 2018-01-28 10:08:04 -02:00
Roberto Ierusalimschy
6710a2b0ef detail (comment) 2018-01-28 10:07:53 -02:00
Roberto Ierusalimschy
5bd8d388de OP_CONCAT does not move its result (to simplify its execution) 2018-01-27 14:56:33 -02:00
Roberto Ierusalimschy
28f215ecf8 comments 2018-01-18 14:24:31 -02:00
Roberto Ierusalimschy
d2fb34ac88 'OP_TAILCALL' calling C functions finishes the call and returns 
(instead of waiting for following 'OP_RETURN')
 2018-01-14 15:27:50 -02:00
Roberto Ierusalimschy
ab0a851db4 'luaD_tryfuncTM' can ensure it does not change the stack 2018-01-10 17:19:27 -02:00
Roberto Ierusalimschy
728ff94595 error handler in protected calls must be a function 2018-01-10 10:02:35 -02:00
Roberto Ierusalimschy
ad960095bf avoid jumping into a variable scope (C++ does not allow that) 2018-01-09 12:23:40 -02:00
Roberto Ierusalimschy
33e3774f44 keep more opcode arguments byte-aligned 2018-01-09 09:24:12 -02:00
Roberto Ierusalimschy
a9295a2b8e typos in comments 2017-12-30 18:46:18 -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
68af7cc81a another try with table resize. 
(Old version was leaving some elements unanchored while allocating
new memory)
 2017-12-29 13:58:23 -02:00
Roberto Ierusalimschy
28323aeaa6 by-one error when filling missing arguments in a tail call 2017-12-29 13:44:51 -02:00
Roberto Ierusalimschy
cf7eff45f3 keep control of stack top in Lua functions concentrated in 'luaV_execute' 2017-12-28 13:42:57 -02:00
Roberto Ierusalimschy
8691612f01 when calling a hook, cannot decrease 'ci->top' (to preserve stack 
size if the stack is reallocated)
 2017-12-28 12:17:09 -02:00
Roberto Ierusalimschy
f99f3c42ff comment 2017-12-28 09:51:00 -02:00
Roberto Ierusalimschy
f360e7778b assert cannot use instruction after the last 2017-12-22 14:43:59 -02:00
Roberto Ierusalimschy
4676f6599e new macros 'isOT'/'isIT' 
(plus exchanged parameters of OP_VARARG to make it similar to other
'isOT' instructions)
 2017-12-22 12:16:46 -02:00
Roberto Ierusalimschy
1d5b885437 when running Lua code, there is no need to keep 'L->top' "correct"; 
set it only when needed.
 2017-12-20 12:58:05 -02:00
Roberto Ierusalimschy
4dc0be950a new macro 'isLuacode' (to distinguish regular Lua code from 
hooks, where C code can run inside a Lua function).
 2017-12-19 14:40:17 -02:00
Roberto Ierusalimschy
3153a41e33 no need to save 'pc' in case of allocation errors 
(allocation errors do not call message handlers)
 2017-12-19 14:18:04 -02:00
Roberto Ierusalimschy
d388c165ef new opcodes 'FORLOOP1'/'FORPREP1' for "basic for" (integer variable 
with increment of 1)
 2017-12-18 15:53:50 -02:00
Roberto Ierusalimschy
ab07005568 new auxiliary function 'luaK_isKint' + removal of 'luaK_needclose', 
which was not being used anywhere.
 2017-12-18 13:44:44 -02:00
Roberto Ierusalimschy
7024f49c42 default now is compiling without compatibility options + smaller 
stack size in debug mode (clang uses still more stack space when
debugging).
 2017-12-18 11:01:49 -02:00
Roberto Ierusalimschy
2f6f6abeba 'rehash' -> 'tablerehash' 
(to avoid name colisions when compiling Lua as a single file)
 2017-12-18 11:00:57 -02:00
Roberto Ierusalimschy
3064edead2 details (cleaning uses of 'exp1') 2017-12-18 10:33:54 -02:00
Roberto Ierusalimschy
f8c1c1469a some cleaning on signed opcode parameters 2017-12-15 16:53:48 -02:00
Roberto Ierusalimschy
4b6928e7f5 (1 << 31) with signed integer has undefined behavior in C 2017-12-15 16:35:22 -02:00
Roberto Ierusalimschy
b3f924bc69 'Proto->numparams' does not include vararg parameter 
(one less subtraction when calling functions...)
 2017-12-15 11:07:10 -02:00
Roberto Ierusalimschy
e001d5aea6 'VRELOCABLE' -> 'VRELOC' 2017-12-14 12:24:02 -02:00
Roberto Ierusalimschy
e752d84ed8 bug: memory-allocation error when resizing a table can leave it 
in an inconsistent state.
 2017-12-13 16:35:03 -02:00
Roberto Ierusalimschy
86431a2f1c new opcodes BANDK/BORK/BXORK. (They do not use immediate operands 
because, too often, masks in bitwise operations are integers larger
than one byte.)
 2017-12-13 16:32:09 -02:00
Roberto Ierusalimschy
36cf8f3a3c Code should not change the stack level after the initialization of a 
string buffer.
 2017-12-13 10:51:42 -02:00
Roberto Ierusalimschy
725c15a4ca when shrinking stack, always shrinks the CI list. 
(Stack overflow is not corelated to CI overflow anymore.)
 2017-12-12 09:57:30 -02:00
Roberto Ierusalimschy
b077b20206 back to reallocation when resizing the string table. 
(Not a good idea to explicitly allocate new memory when shrinking
something.)
 2017-12-12 09:52:35 -02:00
Roberto Ierusalimschy
3cf340f676 allows memory-allocation errors when shrinking blocks 2017-12-11 16:55:31 -02:00
Roberto Ierusalimschy
7ad20af2cf more freedom in handling memory-allocation errors (not all allocations 
automatically raise an error), which allows fixing a bug when resizing
a table.
 2017-12-11 16:53:53 -02:00
Roberto Ierusalimschy
bfb88e99e9 'luaD_growstack' cannot raise any errors when 'raiseerror' is 
false (+ some comments)
 2017-12-11 10:43:40 -02:00
Roberto Ierusalimschy
c5ebed7399 'luaM_shrinkvector' raises an error if it cannot shrink the block 
(several parts of Lua use array size in protos as proxies for
number of valid elements)
 2017-12-11 10:27:48 -02:00
Roberto Ierusalimschy
e663a24ab0 more freedom in handling memory-allocation errors (not all allocations 
automatically raise an error), which allows fixing a bug when resizing
a table.
 2017-12-08 15:28:25 -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
7622373033 using explicit tests for allocation overflow whenever possible 2017-12-07 16:59:52 -02:00
Roberto Ierusalimschy
46bc7f2bf7 detail (comment) 2017-12-07 16:53:33 -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
9fa1baf6de opcodes for order and shift can use several metamethods, 
so it is better to use a generic description + metamethod names
in some error messages shown without '__' prefix
 2017-12-07 13:44:10 -02:00
Roberto Ierusalimschy
49dfaf7447 avoid using one function for different tasks (malloc, free, etc.) 2017-12-06 16:36:31 -02:00
Roberto Ierusalimschy
348fa1ca56 bug: 'lua_pushcclosure' should not call the garbage collector when 
'n' is zero.
 2017-12-06 16:20:28 -02:00
Roberto Ierusalimschy
ae11e37e53 bug: 'lua_pushcclosure' should not call the GC when 'n' is zero 2017-12-06 16:08:03 -02:00