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Welcome to lua-l, a list for discussing the Lua programming language, its uses, and its implementation. For further information, visit this page .

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Nov 24

Handling of the interrupted OP_TAILCALL instruction

Just wondering if 'luaV_finishOp' relies on fall-through to the OP_RETURN instruction in

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Handling of the interrupted OP_TAILCALL instruction

Just wondering if 'luaV_finishOp' relies on fall-through to the OP_RETURN instruction in

Nov 24

Antonio Scuri, Sainan3

Nov 24

lua-mongo find after update returns outdated value

That's exactly the problem, I couldn't find a way to wait for the update to complete. There

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lua-mongo find after update returns outdated value

That's exactly the problem, I couldn't find a way to wait for the update to complete. There

Nov 24

Luiz Henrique de Figueiredo, … Roberto Ierusalimschy25

Nov 24

[ANN] Lua 5.5.0 (rc1) now available

> I noticed that in the reference manual for `math.random()`, the “range [0,1)” was changed to “

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[ANN] Lua 5.5.0 (rc1) now available

> I noticed that in the reference manual for `math.random()`, the “range [0,1)” was changed to “

Nov 24

Rett Berg, … Sainan5

Nov 24

#t calls __len(t, t)?

Thanks everyone, glad to know it was a known behavior and may be removed. On Mon, Nov 24, 2025, 7:15

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#t calls __len(t, t)?

Thanks everyone, glad to know it was a known behavior and may be removed. On Mon, Nov 24, 2025, 7:15

Nov 24

CppCXY, The Future of Programming6

Nov 24

[ANN] A rust base Lua 5.4 implement

Hello >> "Actually the first version was finished in three days, but its performance was

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[ANN] A rust base Lua 5.4 implement

Hello >> "Actually the first version was finished in three days, but its performance was

Nov 24

daniel...@proton.me, … David Sicilia5

Nov 23

[ANN] The Tiny Lua Compiler - A self-hosting, educational implementation of Lua 5.1

How does it handle garbage collection? On Sat, Nov 22, 2025 at 4:07 AM 'Bas Groothedde' via

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[ANN] The Tiny Lua Compiler - A self-hosting, educational implementation of Lua 5.1

How does it handle garbage collection? On Sat, Nov 22, 2025 at 4:07 AM 'Bas Groothedde' via

Nov 23

Stefano Cossu, ppp vvv3

Nov 21

Race condition in garbage collection

That works like a charm and the garbage collection is now happening in the correct order. Thanks! On

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Race condition in garbage collection

That works like a charm and the garbage collection is now happening in the correct order. Thanks! On

Nov 21

Nov 20

[ANN] Silly — coroutine-based Lua network framework

Hi all, This is the first time I'm introducing Silly to the public. Silly originally started as

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[ANN] Silly — coroutine-based Lua network framework

Hi all, This is the first time I'm introducing Silly to the public. Silly originally started as

Nov 20

Stefano Cossu, … Luiz Henrique de Figueiredo5

Nov 20

Compiling Lua with dynamic library support

MYCFLAGS=-ggdb make linux does not add the flag but make linux MYCFLAGS=-ggdb does while leaving -

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Compiling Lua with dynamic library support

MYCFLAGS=-ggdb make linux does not add the flag but make linux MYCFLAGS=-ggdb does while leaving -

Nov 20

Nov 19

[LPeg] Missing symbol visibility control

Hello, I notice LPeg does not control its exported API symbols, which causes issues when building

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[LPeg] Missing symbol visibility control

Hello, I notice LPeg does not control its exported API symbols, which causes issues when building

Nov 19

Rett Berg, bil til3

Nov 17

lua_find C API?

Sorry, I should have been more clear. https://www.lua.org/source/5.4/lstrlib.c.html has "

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lua_find C API?

Sorry, I should have been more clear. https://www.lua.org/source/5.4/lstrlib.c.html has "

Nov 17

LPr Pontex, Luiz Henrique de Figueiredo2

Nov 17

Extra bytes to the compiled binary

> Is it possible that I add some bytes to the end of the compiled binaty ([...] eg a time stamp)

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Extra bytes to the compiled binary

> Is it possible that I add some bytes to the end of the compiled binaty ([...] eg a time stamp)

Nov 17

Nov 13

Add 'if _heavy then' check in 'testes/locals.lua' to prevent OOM

Would be nice to add 'if _heavy then...' in 'locals.lua' when testing for tbc

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Add 'if _heavy then' check in 'testes/locals.lua' to prevent OOM

Would be nice to add 'if _heavy then...' in 'locals.lua' when testing for tbc

Nov 13

Martin Eden, Luiz Henrique de Figueiredo4

Nov 13

ltokenp feedback

> So we can rely that third argument FILTER() receives is string, Yes. > and if it is in angle

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ltokenp feedback

> So we can rely that third argument FILTER() receives is string, Yes. > and if it is in angle

Nov 13

eugeny gladkih, … Bas Groothedde4

Nov 11

unused code removal

They are marked const, so they are not variables. Remove the const and see what happens. ~b On 11 Nov

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unused code removal

They are marked const, so they are not variables. Remove the const and see what happens. ~b On 11 Nov

Nov 11

Sewbacca, … bil til20

Nov 9

Persistence of threads

On 11/9/2025 1:38 PM, bil til wrote: It will not do this RAM saving in standard Lua. But you can

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Persistence of threads

On 11/9/2025 1:38 PM, bil til wrote: It will not do this RAM saving in standard Lua. But you can

Nov 9

Xmilia Hermit, … bil til7

Nov 9

Short external string not recognized by OP_GETVARG

> If I interprete this correctly, test(n,2) in the last line would then > be the same to invoke

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Short external string not recognized by OP_GETVARG

> If I interprete this correctly, test(n,2) in the last line would then > be the same to invoke

Nov 9

Thijs Schreijer, … Martin Eden9

Nov 9

optimizing away a constant no-op function

On 2025-11-03 12:37, 'Thijs Schreijer' via lua-l wrote: > [...] Here's the concept:

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optimizing away a constant no-op function

On 2025-11-03 12:37, 'Thijs Schreijer' via lua-l wrote: > [...] Here's the concept:

Nov 9

Sergey Bronnikov, … Roberto Ierusalimschy6

Nov 8

An assertion is triggered in luaG_errormsg

> On 11/6/2025 9:12 AM, 'Sainan' via lua-l wrote: > > Usage of debug library voids

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An assertion is triggered in luaG_errormsg

> On 11/6/2025 9:12 AM, 'Sainan' via lua-l wrote: > > Usage of debug library voids

Nov 8

Andrey Dobrovolsky, … Roberto Ierusalimschy4

Nov 8

mmap() as an external string and zero-termination

> As for lua_pushexternalstring() requiring a terminating NUL byte, Lua > guarentees that any

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mmap() as an external string and zero-termination

> As for lua_pushexternalstring() requiring a terminating NUL byte, Lua > guarentees that any

Nov 8

bil til, … Thijs Schreijer14

Nov 3

Enforce function use in a Lua source file

On Sun, 2 Nov 2025, at 03:46, Xavier Wang wrote: > If you familiar the “Parsing, not validating”[1

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Enforce function use in a Lua source file

On Sun, 2 Nov 2025, at 03:46, Xavier Wang wrote: > If you familiar the “Parsing, not validating”[1

Nov 3

bil til, … Gé Weijers9

Nov 1

Lists of userdata in C code possible?

>when you traverse the list and find an object that meets your criteria you can't pass it to

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Lists of userdata in C code possible?

>when you traverse the list and find an object that meets your criteria you can't pass it to

Nov 1

Sainan, … Sean Conner17

Oct 31

Suggestion: math.ule

It was thus said that the Great 'Sainan' via lua-l once stated: > Huh, that's

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Suggestion: math.ule

It was thus said that the Great 'Sainan' via lua-l once stated: > Huh, that's

Oct 31

Vinay Sajip, … Thijs Schreijer5

Oct 31

Uninitialized data in Lua?

> Maybe a bit of narrowing down about what exactly is failing would help provide an explanation?

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Uninitialized data in Lua?

> Maybe a bit of narrowing down about what exactly is failing would help provide an explanation?

Oct 31

重归混沌, … Sainan4

Oct 30

Question about __gc ordering and cross-reference safety

> This does not apply only to "atexit GC". Hmm, now I wonder why I could not reproduce

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Question about __gc ordering and cross-reference safety

> This does not apply only to "atexit GC". Hmm, now I wonder why I could not reproduce

Oct 30

Stefano Cossu, Luther Thompson3

Oct 28

Scoping of closure in a loop

Thanks Luther, that's clear now. > One thing I don't understand is how fn can see ct

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Scoping of closure in a loop

Thanks Luther, that's clear now. > One thing I don't understand is how fn can see ct

Oct 28

Oct 28

New proposal for easy sep/end options in print function

Sorry to bother you again with this :) (follow-up to my post of Oct. 1). New idea for easy "pimp

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New proposal for easy sep/end options in print function

Sorry to bother you again with this :) (follow-up to my post of Oct. 1). New idea for easy "pimp

Oct 28

Sergey Bronnikov, Roberto Ierusalimschy2

Oct 27

An assertion is triggered in luaK_storevar

> an assertion is triggered on execution of a Lua chunk below: > > lua -e "function a(.

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An assertion is triggered in luaK_storevar

> an assertion is triggered on execution of a Lua chunk below: > > lua -e "function a(.

Oct 27

名前이름, … Martin Eden6

Oct 24

Suggestion: Reusable formula in Lua

On 2025-10-24 06:10, 名前이름 wrote: > What if it's a long formula, custom formula specifically

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Suggestion: Reusable formula in Lua

On 2025-10-24 06:10, 名前이름 wrote: > What if it's a long formula, custom formula specifically

Oct 24

重归混沌, … Sewbacca20

Oct 23

Some thoughts about string

>> "The string is a stark data structure and everywhere it is passed there >> is

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Some thoughts about string

>> "The string is a stark data structure and everywhere it is passed there >> is

Oct 23

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