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432 Commits

Author SHA1 Message Date
Roberto Ierusalimschy 96f9643f33 Bug: wrong 'nCcalls' when resuming a coroutine 
The counter 'nCcalls' now includes the number of CallInfo structures
pre-allocated (so that these "potential" C calls can be made without
checking 'nCcalls'). So, when copying this value from a thread to
another, in 'lua_resume', it must be corrected to the number of
CallInfo structures in the thread being resumed.
 2018-07-11 16:11:50 -03:00
Roberto Ierusalimschy 34aa0c5bd7 new macros 'likely'/'unlikely' with hints for jump predictions 
(used only in errors for now)
 2018-05-30 11:25:52 -03:00
Roberto Ierusalimschy 02ed0b2c30 in 'luaD_poscall', there is no need to compute 'firstResult' when 'nres==0' 2018-05-22 09:02:36 -03:00
Roberto Ierusalimschy 4907444db9 'fTransfer' -> 'ftransfer' / 'nTransfer' -> 'ntransfer' 
(keep the standard of names in lower case)
 2018-03-16 12:33:34 -03:00
Roberto Ierusalimschy 6480e73599 details (avoid using non-C89 '//' comment) 2018-03-07 13:26:01 -03:00
Roberto Ierusalimschy 8c429311a3 typo in comment 2018-03-05 11:13:55 -03:00
Roberto Ierusalimschy ef8263f81f better names for macros for tags and types. 
rttype -> rawtt; ttyperaw -> withvariant; ttype -> ttypetag;
tnov -> ttype
 2018-02-26 11:16:05 -03:00
Roberto Ierusalimschy 422318f677 two new fields 'fTransfer'/'nTransfer' in 'lua_Debug' structure 
(for information about values being given and returned in function calls)
 2018-02-17 17:29:29 -02:00
Roberto Ierusalimschy 104d249ffb in return hook, 'top' must be corrected only if smaller than 'ci->top'. 
(It may be larger when returning multiple values, and then it must
be larger to preserve that stack slice.)
 2018-02-17 16:22:00 -02:00
Roberto Ierusalimschy 0682fe8169 some simplifications/optimizations in returns from Lua functions 2018-02-15 13:34:29 -02:00
Roberto Ierusalimschy b1379936cf vararg back to '...' (but with another implementation) 
new implementation should have zero overhead for non-vararg functions
 2018-02-09 13:16:06 -02:00
Roberto Ierusalimschy 4e0de3a43c details 2018-02-07 13:55:18 -02:00
Roberto Ierusalimschy 318a9a5859 new opcode 'PREPVARARG' 
(avoids test for vararg function in all function calls)
 2018-02-07 13:18:04 -02:00
Roberto Ierusalimschy 51280ef2ad call hooks for Lua functions called by 'luaV_execute' 2018-02-06 17:16:56 -02:00
Roberto Ierusalimschy dc0ab1e8ca warnings in VS (implicit casts from ptrdiff_t to int) 2018-01-29 14:21:35 -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 ab0a851db4 'luaD_tryfuncTM' can ensure it does not change the stack 2018-01-10 17:19:27 -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 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 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 b3f924bc69 'Proto->numparams' does not include vararg parameter 
(one less subtraction when calling functions...)
 2017-12-15 11:07:10 -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 bfb88e99e9 'luaD_growstack' cannot raise any errors when 'raiseerror' is 
false (+ some comments)
 2017-12-11 10:43:40 -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 e0bece77d6 detail 2017-12-01 13:44:51 -02:00
Roberto Ierusalimschy c766e4103d 'luaV_execute' gets call info as extra argument (it is always 
available on call sites)
 2017-11-29 11:02:17 -02:00
Roberto Ierusalimschy 194a4f9710 small simplifications in 'luaD_poscall' 2017-11-23 16:29:41 -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 14c3aa12b5 more direct implementation for tail calls. 2017-11-21 12:18:03 -02:00
Roberto Ierusalimschy 5440b42f43 using 'trap' to stop 'luaV_execute' when necessary (tracing and 
to update its copy of 'base' when the stack is reallocated)
 2017-11-13 13:36:52 -02:00
Roberto Ierusalimschy 7d4828cc9f avoid accessing wrong union field 2017-11-13 10:26:30 -02:00
Roberto Ierusalimschy ad0704e40c back to 'CallInfo' (no gains with its removal) 2017-11-07 11:25:26 -02:00
Roberto Ierusalimschy 93fd67b793 no more 'CallInfo' structure 2017-11-04 10:57:02 -02:00
Roberto Ierusalimschy 6bb3e40a8d 'lua_Debug' not using 'CallInfo' 2017-11-03 18:41:05 -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 c5482468fd baby steps to remove 'CallInfo': keeping 'L->func' correct 2017-10-31 15:54:35 -02:00
Roberto Ierusalimschy 6d998055c8 no more reference 'memerrmsg' + new reference to "n" 
(both can be retrieved by 'luaS_newliteral' without creating anything,
because they are fixed, but "n" deserves fast access while 'memerrmsg'
does not)
 2017-07-27 10:50:16 -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 c25380c28d details (using proper version of 'setobj') 2017-05-23 09:50:11 -03:00
Roberto Ierusalimschy 6d95de83c6 no more field 'base' in CallInfo (base is always equal to 'func + 1', 
with old/new vararg implementation)
 2017-05-13 10:54:47 -03:00
Roberto Ierusalimschy 5c8770f896 back to old-style vararg system (with vararg table collecting extra 
arguments)
 2017-05-13 10:04:33 -03:00
Roberto Ierusalimschy 24f6e236a3 'moveresults' and 'luaD_poscall' moved up in the file 2016-12-13 13:52:21 -02:00
Roberto Ierusalimschy 8edbf57fb8 detail (ANSI C does not accept empty arguments to macros) 2016-09-20 13:37:45 -03:00
Roberto Ierusalimschy 7fe1a4cff3 cleaner and more correct code for 'luaD_shrinkstack' (the old 
test "inuse <= LUAI_MAXSTACK" for stack overflow is not correct,
as the real maximum usable size is "LUAI_MAXSTACK - EXTRA_STACK")
 2016-09-08 13:36:26 -03:00
Roberto Ierusalimschy aeb4c6fff1 comments + removed unused variable 2016-09-05 15:53:02 -03:00