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89 Commits

Author SHA1 Message Date
Roberto Ierusalimschy
6eb53b7526 Details 
Several details in code (e.g., moving a variable to the most inner
scope that encloses its uses), comments, parameter names, extra tests.
 2020-02-27 12:59:22 -03:00
Roberto Ierusalimschy
46c3587a6f Clearer distinction between types and tags 
LUA_T* represents only types; tags (types + Variants) are represented
by LUA_V* constants.
 2020-01-31 11:09:53 -03:00
Roberto Ierusalimschy
8b7cfee26b Small changes around C-stack limit 
- Better documentation in 'testes/cstack.lua' about using
'debug.setCstacklimit' to find a good limit.

- Constant LUAI_MAXCSTACK gets added CSTACKERR (extra stack for
error handling), so that it is compatible with the argument to
'debug.setCstacklimit'.
 2019-06-26 13:26:36 -03:00
Roberto Ierusalimschy
be73f72fcc New function 'setCstacklimit' 
Added new functions to dynamically set the C-stack limit
('lua_setCstacklimit' in the C-API, 'debug.setCstacklimit' in Lua).
 2019-06-18 16:52:22 -03:00
Roberto Ierusalimschy
0443ad9e28 LUAI_MAXCCALLS renamed LUAI_MAXCSTACK 
The limit LUAI_MAXCCALLS was renamed LUAI_MAXCSTACK, which better
represents its meaning. Moreover, its definition was moved to
'luaconf.h', given its importance now that Lua does not use
a "stackless" implementation.
 2019-03-25 14:12:06 -03:00
Roberto Ierusalimschy
ba7da13ec5 Changes in the control of C-stack overflow 
* unification of the 'nny' and 'nCcalls' counters;
  * external C functions ('lua_CFunction') count more "slots" in
    the C stack (to allow for their possible use of buffers)
  * added a new test script specific for C-stack overflows. (Most
    of those tests were already present, but concentrating them
    in a single script easies the task of checking whether
    'LUAI_MAXCCALLS' is adequate in a system.)
 2018-12-27 14:32:29 -02:00
Roberto Ierusalimschy
84e32ad2eb Added opcodes for arithmetic with K operands 
Added opcodes for all seven arithmetic operators with K operands
(that is, operands that are numbers in the array of constants of
the function). They cover the cases of constant float operands
(e.g., 'x + .0.0', 'x^0.5') and large integer operands (e.g.,
'x % 10000').
 2018-11-23 12:23:45 -02:00
Roberto Ierusalimschy
8c8a91f2ef Deprecated the emulation of '__le' using '__lt' 
As hinted in the manual for Lua 5.3, the emulation of the metamethod
for '__le' using '__le' has been deprecated. It is slow, complicates
the logic, and it is easy to avoid this emulation by defining a proper
'__le' function.

Moreover, often this emulation was used wrongly, with a programmer
assuming that an order is total when it is not (e.g., NaN in
floating-point numbers).
 2018-08-24 10:17:54 -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
3e7415e846 reorganization of '#if's for sellecting a type for 'Rand64' + 
comments
 2018-05-04 17:01:45 -03:00
Roberto Ierusalimschy
26eb144541 no need to define 'luaP_opnames' in regular builds 2018-04-19 12:42:41 -03:00
Roberto Ierusalimschy
f9c3d6fdbe use test mode to test the interpreter without jump tables 2018-04-11 13:49:36 -03:00
Roberto Ierusalimschy
34b00c16e2 removed compatibility code with older versions 2018-02-27 15:47:32 -03:00
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
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
196c87c9ce no more 'stackless' implementation; 'luaV_execute' calls itself 
recursively to execute function calls. 'unroll' continues all
executions suspended by an yield (through a long jump)
 2017-11-23 14:41:16 -02:00
Roberto Ierusalimschy
fb9be62f79 includes 'stdio.h' to allow prints when testing 2017-11-13 10:19:35 -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
d55fd3455b redefine MAXINDEXRK (for debugging, to force most values to 
go through registers)
 2016-07-19 14:13:00 -03:00
Roberto Ierusalimschy
9fae7b6d3f code for string cache generalized for "associative sets" (compiler 
will optimize away or inline the extra loops)
 2015-09-22 11:18:24 -03:00
Roberto Ierusalimschy
95c3144393 redefine 'l_sprintf' to test correctness of buffer sizes given 
to 'snprintf'
 2015-06-18 11:27:44 -03:00
Roberto Ierusalimschy
a51069202a removed macro 'luai_numinvalidop' (main motivation removed, as folding 
does not handle any division by zero by default)
 2014-12-26 12:44:44 -02:00
Roberto Ierusalimschy
3ae21a352c detail (in test for 'luai_numinvalidop', use a round float) 2014-12-19 11:33:06 -02:00
Roberto Ierusalimschy
5fae2a5b05 redefinition of LUAI_MAXSTACK to make stack-overflow tests run faster 2014-12-09 15:17:40 -02:00
Roberto Ierusalimschy
36efa6a6b9 no more 'preloadedlibs' when opening libraries (as it is dead code now) 2014-12-09 13:00:17 -02:00
Roberto Ierusalimschy
460968353f in test mode, debug library is not predefined (to allow testing 
'preloadedlibs')
 2014-12-06 18:42:58 -02:00
Roberto Ierusalimschy
6df197ec15 some functions from test module must be exported 2014-11-29 17:45:37 -02:00
Roberto Ierusalimschy
075661ffde new test for macro 'luai_numinvalidop' 2014-11-24 12:56:56 -02:00
Roberto Ierusalimschy
798660c9cd deprecated "cast macros" ('luaL_checkint', 'luaL_optint', etc.) 2014-10-01 08:54:56 -03:00
Roberto Ierusalimschy
f9037ae8c1 'ipairs' respects metamethods 2014-07-24 16:33:29 -03:00
Roberto Ierusalimschy
baa0e23456 better support for extra user space associated with a Lua state 2014-07-24 11:00:16 -03:00
Roberto Ierusalimschy
55a710545c detail (extra byte in LUAI_EXTRASPACE to test proper alignment of 
a lua_State)
 2014-07-23 14:16:50 -03:00
Roberto Ierusalimschy
b3b8580606 comments + proper undef of compatibility macros + no need to undef 
internal macros (this is the first definition)
 2014-07-23 13:47:47 -03:00
Roberto Ierusalimschy
3511e186cd ensure size for LUAI_USER_ALIGNMENT_T in tests is larger than the 
structures it is aligning (in most architectures)
 2014-07-18 10:27:45 -03:00
Roberto Ierusalimschy
39929384c6 new macro 'luai_userstateclose' (to test it is being called correctly) 2013-11-08 15:36:05 -02:00
Roberto Ierusalimschy
d447945685 'module'/'luaL_register' and associates are deprecated 2010-07-28 12:51:59 -03:00
Roberto Ierusalimschy
4db6f20770 ensure that 'luai_userstatethread' is always called (even if 
'stack_init' throws a memory error)
 2010-04-19 14:40:13 -03:00
Roberto Ierusalimschy
d20ff60615 new macro LUA_NUMTAGS 2010-04-12 13:07:29 -03:00
Roberto Ierusalimschy
8bfc696676 missing 'external' in variable declaration 2010-01-11 15:33:09 -02:00
Roberto Ierusalimschy
de6fc75d63 several configuration options that do not change often moved out of 
luaconf.h and into more internal files
 2009-12-17 10:26:09 -02:00
Roberto Ierusalimschy
2af0d3b459 allocator function receives the tag of object being allocated in 'osize' 
when 'ptr' is NULL.
 2009-12-16 14:42:58 -02:00
Roberto Ierusalimschy
15b823ce4f cleaner way to add extra space in a lua state. 2009-12-14 13:27:30 -02:00
Roberto Ierusalimschy
062e809e54 new macros 'LUAI_DDEC'/'LUAI_DDEF' to better control declarations and 
definitions of non-static variables
 2009-11-19 17:06:52 -02:00
Roberto Ierusalimschy
d3037d97ec several small improvements based on 'ci' being fixed now (including 
erasing savedpc from lua_State)
 2009-04-17 19:00:01 -03:00
Roberto Ierusalimschy
df802dc74b larger alignment requirement helps to uncover some kinds of bugs 2008-08-05 16:24:46 -03:00
Roberto Ierusalimschy
4db2cddeee LUA_COMPAT -> LUA_COMPAT_API (more specific) 2008-07-18 16:58:10 -03:00
Roberto Ierusalimschy
f9dec5fc84 do not use compatibility macros in Lua 2008-07-11 14:51:01 -03:00
Roberto Ierusalimschy
93869acb2c "test trick" seems more useful with pointers instead of integers 2008-06-23 13:50:34 -03:00
Roberto Ierusalimschy
658e7caf92 use prefix in extern names, even those in test files 2007-11-12 14:28:45 -02:00
Roberto Ierusalimschy
b7fa64565a 27 is not a prime number :( 2007-09-30 10:09:43 -03:00