opensources/lua - lua - Gitea: Git with home nas server

Commit Graph

Author	SHA1	Message	Date
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).	5 years ago
Roberto Ierusalimschy	3cd9b56ae6	Revamp around 'L->nCcalls' count The field 'L->nCcalls' now counts downwards, so that the C-stack limits do not depend on the stack size.	5 years ago
Roberto Ierusalimschy	b293ae0577	Details - new error message for "attempt to assign to const variable" - note in the manual about compatibility options - comments - small changes in 'read_line' and 'pushstr'	6 years ago
Roberto Ierusalimschy	b56d4e570a	Changes in the warning system - The warning functions get an extra parameter that tells whether message is to be continued (instead of using end-of-lines as a signal). - The user data for the warning function is a regular value, instead of a writable slot inside the Lua state.	6 years ago
Roberto Ierusalimschy	2c32bff609	After a "bad collections", avoid switching back back to generational After a major bad collection (one that collects too few objects), next collection will be major again. In that case, avoid switching back to generational mode (as it will have to switch again to incremental to do next major collection).	6 years ago
Roberto Ierusalimschy	c6f7181e91	No more LUA_ERRGCMM errors Errors in finalizers (__gc metamethods) are never propagated. Instead, they generate a warning.	6 years ago
Roberto Ierusalimschy	437a5b07d4	Added a warning system to Lua The warning system is just a way for Lua to emit warnings, messages to the programmer that do not interfere with the running program.	6 years ago
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.)	6 years ago
Roberto Ierusalimschy	e8c779736f	Removed internal cache for closures The mechanism of "caching the last closure created for a prototype to try to reuse it the next time a closure for that prototype is created" was removed. There are several reasons: - It is hard to find a natural example where this cache has a measurable impact on performance. - Programmers already perceive closure creation as something slow, so they tend to avoid it inside hot paths. (Any case where the cache could reuse a closure can be rewritten predefining the closure in some variable and using that variable.) - The implementation was somewhat complex, due to a bad interaction with the generational collector. (Typically, new closures are new, while prototypes are old. So, the cache breaks the invariant that old objects should not point to new ones.)	6 years ago
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.	6 years ago
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).	6 years ago
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.	6 years ago
Roberto Ierusalimschy	af70905246	no need to check whether libraries and host use the same kernel; Lua should work correctly with several copies of the kernel	6 years ago
Roberto Ierusalimschy	b95e466218	new field 'nilvalue' in struct 'global_State' to avoid the use of addresses of static variables	6 years ago
Roberto Ierusalimschy	4907444db9	'fTransfer' -> 'ftransfer' / 'nTransfer' -> 'ntransfer' (keep the standard of names in lower case)	7 years ago
Roberto Ierusalimschy	f055a9dffd	added check in 'obj2gco' to prevent its use in non Lua-object pointers (otherwise its cast is blind, casting any value given to it)	7 years ago
Roberto Ierusalimschy	422318f677	two new fields 'fTransfer'/'nTransfer' in 'lua_Debug' structure (for information about values being given and returned in function calls)	7 years ago
Roberto Ierusalimschy	c7a8cba745	no more 'nfield' string	7 years ago
Roberto Ierusalimschy	b1379936cf	vararg back to '...' (but with another implementation) new implementation should have zero overhead for non-vararg functions	7 years ago
Roberto Ierusalimschy	4dc0be950a	new macro 'isLuacode' (to distinguish regular Lua code from hooks, where C code can run inside a Lua function).	7 years ago
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)	7 years ago
Roberto Ierusalimschy	5440b42f43	using 'trap' to stop 'luaV_execute' when necessary (tracing and to update its copy of 'base' when the stack is reallocated)	7 years ago
Roberto Ierusalimschy	ad0704e40c	back to 'CallInfo' (no gains with its removal)	7 years ago
Roberto Ierusalimschy	93fd67b793	no more 'CallInfo' structure	7 years ago
Roberto Ierusalimschy	472c560705	no more useful fields in CallInfo	7 years ago
Roberto Ierusalimschy	54eb35a8aa	more fields moved out of 'CallInfo'	7 years ago
Roberto Ierusalimschy	ba36180fd7	new API for 'lua_resume' + cleaning the uses of the 'extra' field in 'CallInfo'	7 years ago
Roberto Ierusalimschy	c5482468fd	baby steps to remove 'CallInfo': keeping 'L->func' correct	7 years ago
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)	7 years ago
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.	8 years ago
Roberto Ierusalimschy	72d82a296c	revamping the incremental collector Some simplifications (not counting bytes, couting only slots visited; no more 'gcfinnum'); more GC parameters; using vararg in 'lua_gc' to set parameters in different GC modes	8 years ago
Roberto Ierusalimschy	6d95de83c6	no more field 'base' in CallInfo (base is always equal to 'func + 1', with old/new vararg implementation)	8 years ago
Roberto Ierusalimschy	2376eb6347	barrier for prototype's cache (with new gray list 'protogray' to keep prototypes to have their caches visited again) + constant 'MAXMISS'	8 years ago
Roberto Ierusalimschy	69371c4b84	'KGC_NORMAL' -> 'KGC_INC' + emergency GC signalled by flag (instead of mode)	8 years ago
Roberto Ierusalimschy	c7bdc0e0e8	first version of control for the generational collector	8 years ago
Roberto Ierusalimschy	a3d36fe283	Upvalues collected like everything else (with mark-sweep) instead of reference count (simpler and better for generational mode)	8 years ago
Roberto Ierusalimschy	e4287da3a6	generational collector (still not complete)	8 years ago
Roberto Ierusalimschy	f5f3df3bd1	generational collection: new attempt (still incomplete)	8 years ago
Roberto Ierusalimschy	e6c1e6005a	comments about gray lists	8 years ago
Roberto Ierusalimschy	2a235312f0	detail (removing spaces at end of lines)	8 years ago
Roberto Ierusalimschy	138d00176c	new flag in 'CallInfo.callstatus' to tell whether function is running as a finalizer	8 years ago
Roberto Ierusalimschy	644799537f	allow more bits in 'callstatus' (use no extra space due to alignments)	9 years ago
Roberto Ierusalimschy	c4e01c568a	make 'hook' volatile (as it may be changed in signal handling)	9 years ago
Roberto Ierusalimschy	656b3cea1b	using 'sig_atomic_t' for 'hookmask' (as it can be changed inside a signal)	9 years ago
Roberto Ierusalimschy	89e3a84344	removed field 'n' from 'CallInfo' (not being used right now)	9 years ago
Roberto Ierusalimschy	33b366ec32	added counters for total and individual CallInfo entries (to allow better syncronization between CallInfo size and stack size)	9 years ago
Roberto Ierusalimschy	07a2dcacbf	flag CIST_REENTRY changed to CIST_FRESH (its negation); fresh invocations seem to be less frequent than reentries. (So, avoid setting flag on the frequent case.)	9 years ago
Roberto Ierusalimschy	9fae7b6d3f	code for string cache generalized for "associative sets" (compiler will optimize away or inline the extra loops)	9 years ago
Roberto Ierusalimschy	41964648ee	long strings are created directly in final position when possible (instead of using an auxiliar buffer to first create the string and then allocate the final string and copy result there)	9 years ago
Roberto Ierusalimschy	bde17a419d	because of debt, 'totalbytes' can be negative (and therefore its type must be signed)	9 years ago

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291 Commits (4d46289331395a845c5de1f6c0e0fe873c50db4f)