It's just that a central repository would be so beneficial for everybody (en.wiki devs/editors included) and en.wiki can't really be (in my honest and personal opinion) that place. I would generally recommend to avoid making high volume calls into Lua. I want to output wikitext like this: I have previously done that and it worked well, but when the text between the tags is more varied, something breaks. It can do everything youd ever want from Lua and even more. Learn more. Now, with this new LUA language, template editing is becoming more and more the domain of technicians. -Wikid77 (talk) 19:29, 22 March 2013 (UTC), When moving a module there is no redirect left behind and existing invocations should be fixed. E.g. For example: Instead I need to output: "0.00001 1.2 3". Writing the code in it feels like writing pseudocode/prototyping. Mr. Stradivarius talk 23:06, 1 January 2014 (UTC); Page moved without redirect. Now you dont need to ship this init.lua with your binary and life becomes easier. The system compares actual template output with fixed text, and is only suitable for templates and results that are reasonably short because each template and its expected result have to be in one line. If you need a debugger, I recommend checking out. to use Codespaces. string.format('%f %f %f', 0.00001, 1.2, 3) => 0.000010 1.200000 3.000000, string.format('%g %g %g', 0.00001, 1.2, 3) => 1e-05 1.2 3, This page was last edited on 4 February 2023, at 15:13. I'd like to include some of the functionality of module:Page in my module, without having to reinvent the wheel. I think it really depends on the language and on the function. While the c and c++ compilers can inline a lot of functions, this is not the case fo Mr. Stradivarius talk 14:16, 4 November 2013 (UTC). Lua doesnt impose one style of writing code on you. I see that I can access Mediawiki libraries as simple as "mw.stat", are modules on Wikipedia accessible as easily? Is this a problem in my module or in Scribunto? 2000 Your life will be easier if you have a small C/C++ API. Or is it something else? This was possible because the wikimarkup language was very intuitive, and easy to understand even for the layman. I am a repeat customer and have had two good experiences with them. There is still lots of work to do of course, But it's a start TheDJ (talk contribs) 22:18, 18 March 2013 (UTC). In the example bellow sayHello function is first defined, and then called in the second call to DoString. The fact that even an IP user may edit the module namespace suggests that it must be really stable and secure. Currently, there are a reasonable number of templates that try to determine if any of a set of pages exist in order to provide links to those pages. Even if you do, with LuaJIT youll be able to achieve C/C++ level performance. This first edition was written for Lua 5.0. Thanks! -happy5214 14:32, 15 March 2013 (UTC), You own the copyright, you can grant whatever licenses you want (in addition, as you say, to the CC-BY-SA license that you've already granted). Thats basically all youll ever need to know about Lua. Can someone make a nice SpecialPages adjustment? We have a lot of cases where related modules have the same name with "/" to indicate subpages, and some others where apparently related modules simply extend a name. Also explains why the uselang=qqq hack doesn't work to show the scribunto messages. ", [ [\w+\. To get the perf bit Now the tab "Modules" does not show all modules, and does not have a 'next page' link. An auto sizing callstack will allocate and release callstack pages on demand which will ensure the minimum amount of memory is in use at any time. "factorial: argument must be a number >= 0", -- likely something like 1=foo=bar, we need to do it as a named arg. after imported i find error in article with this Category:Pages with script errors. The problem with 3rd party bindings is that they usually tend to get unmaintained or only support a specific version of the library. We have an even split on people who do personal testing in Sandbox/ and people who do it in User: At this point, either of us could pull up stakes and migrate to the other pretty easily. (what is sometimes called procedure An expression like o:foo(x) The #invoke speed in March 2013 has been about 180/second, compared to short templates running 350-600 per second, or parser functions >750/second, or character-insertion templates running 2,400/second. Then, executing script.lua would resullt in an error: SomeClass is nil. Thank you for your attention!--Qgil (talk) 21:16, 2 July 2013 (UTC), I created Module:Testcase table, and it seems to work pretty well (see the current transclusions). ), You dont need a specialized IDE or tools to write Lua comfortably. Most of the time, you only need one Lua state (lua_State in Lua C API and sol::state in sol2) for everything. They have a great system for tracking your belongings and a system for checking to make sure you got all of your belongings once you arrive at your destination. While still largely relevant for later versions, there are some differences.The fourth edition targets Lua 5.3 and is available at Amazon and other bookstores.By buying the book, you also help to support the Lua project. This makes dependencies between files hard to track and require you to manually execute some_class.lua before you can execute script.lua. What I'm trying to do is much more complicated, see Module:Convert/makeunits, but is the same issue. Toohool (talk) 17:18, 27 March 2013 (UTC), I have another related question. Providing global relocations solutions, storage and warehousing platforms and destruction plans. The process was smooth and easy. I'd rather see useful LUA links. How do I fix this? Then we call the function with lua_call (). Hence, for Lua, the alternative is to pass fewer parameters, but as strings of choices delimited by separator characters within each string. In brief, the categories I set up were pre-alpha, alpha, beta, release, and protected. I'm currently using the following function to get template arguments. A tag already exists with the provided branch name. The typecheck function could also store away the type info for later introspection. with nil arguments removed. Can templates, MediaWiki pages or parser functions be called from Lua? thank you. The advantages are a) edits to Redirect to add irrelevant features don't lead to massive queue usage, b) Redirect doesn't have to be protected, and c) in case a required module isn't protected, you don't get confused and fool around with a module you think is in limited use only to find out that you've created a huge server load. You're looking for performance in the wrong place. The problem with function calls is not that they cost much. There is another problem. Function c Clearly it's worth thinking about ways to reduce this impact as much as possible. See the demos and more details at WikiProject Flag Template. We now have the /doc system somewhat integrated/forced trough the Scribunto extension. I also worked on a fork of LuaJIT professionally and described my experiences here - this experience made me learn a lot about LuaJIT and how vanilla Lua works (and how it can be used in production for servers with a very high QPS). There are some practical functions to convert and check lua.LValue objects. At the moment, we have three patterns in naming a module sandbox page: I suggest that is one too much. --Iantresman (talk) 18:29, 7 December 2013 (UTC), I used to be an above average template editor, making significant contributions to even such intricate template as Ambox and Fix. or subroutine in other languages) Basically, you need to tell Lua explicitly that something youve created in the coroutine needs to outlive this coroutine (and this is done with lua_xmove). Automatic insertion of the green 'chrome' of our template documentation. its number of parameters. Much better! Casey Moving Systems is family owned and has been servicing Northern California for over 25 years. Vanilla Lua, the latest version, otherwise. a find-and-replace Macro that lets you write code that acts like a function, without the function overhead running an external image to lua tool, so you can just stick the images in your Project folder, and automatically include them into your lua script every time you hit F7 ! Theyre mostly written in C/C++ and only expose a bunch of Lua functions/tables to the user. !) 16:49, 3 April 2013 (UTC), I've created five categories for different levels of Lua module progress: since each explains the others, Category:Modules in alpha should be sufficient. Command line parameters, environment variables, and configuration files are common ways to change the behavior of software. You choose what Lua code can and cant do. Please let me know your thoughts over at Template talk:Pagetype#Module:Pagetype. Otherwise true. Johnuniq (talk) 02:22, 25 June 2013 (UTC). -- Gets numbers for row1, row2, etc. Hi, is there a way to instruct string.format to not produce trailing zeros with decimal notation? But with the banning of the print function and the extra steps to validate the lua code in Wiki, I can't tell if the lua.org tutorial truly helpful to me as I don't know how to convert all those examples to comply with MediaWiki's lua standard. Because the property from Wikidata is not updated by mw.message, I decided to try it on one of those pesky Special: pages that abolish caching. With your own bindings, you can control what version you use and how the exposed API looks in Lua. The easy part is 'getting rid of the function name': assuming p is the variable in the last line of the program, just say, However, I see no way to get rid of the pipe - it. In Module:Sidebar, I extended the boilerplate further to allow a third way, invoking the module from a template and passing args in explicitly (instead of using whatever args were passed to the template), like {{#invoke: Navbar | arg1 = foo | arg2 = bar}}. Is there a way for a loadData table to contain these keys? You are free to edit the content of Wikipedia:Lua/To do during the discussion but should not remove the miscellany for deletion template from the top of the page; such a removal will not end the deletion discussion. It may sound like asking to be babysat or spoon-fed, but I'm totally stuck. I measured the overhead of direct and virtual C++ function calls on the Xenon PowerPC some time ago. Within C and C++, some comp I would use them again if needed. Automatic transclusion of protection templates was added. If nothing happens, download Xcode and try again. Maybe. The compiler might decide "hey, this function is only called a few times, and I'm supposed to optimize for speed, so I'll just inline this f Does this apply if you are accessing the module from another Lua module, and not directly from a wiki page? -DePiep (talk) 11:51, 22 March 2013 (UTC). the colon operator. Yes, you can replace built-in functions because they are simply functions accessed from global variables. --Vriullop (talk) 11:07, 22 March 2013 (UTC). It doesnt have many gotchas. The parameters object takes three important parameters: The following code defines a concat function in Lua. Ultimately MediaWiki should issue another tutorial for Wikipedians (without prior knowledge of C and Lua) due to the differences from standard Lua.
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