how can i do this (on which module, i find this Category for translation). I've been trying to get to grips with the concept of frames, and I think I'm almost there. In Chapter 16 we will discuss such calls ]], "jo")' But there is a catch. What should I do to return a large text built from numerous smaller elements? ), You dont need a specialized IDE or tools to write Lua comfortably. See the demos and more details at WikiProject Flag Template. Command line parameters, environment variables, and configuration files are common ways to change the behavior of software. L.DoString runs the Lua code in the VM. Now, with this new LUA language, template editing is becoming more and more the domain of technicians. That overhead might be removed if we made save/restore a built-in operation in Lua. This was possible because the wikimarkup language was very intuitive, and easy to understand even for the layman. powered by Hugo Instead of requiring Module:Redirect from a protected module (or in this case a template, Template:Submit an edit request, which serves MediaWiki:Protectedpagetext), you would simply require or link to a copy (Module:Submit an edit request/Redirect). 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 . is there a better way to do this? Wnt (talk) 23:14, 21 March 2013 (UTC), I have run many timing tests, to compare using shell templates which contain #invoke versus direct use of {#invoke:}, and for tiny templates, such as string-handling functions, the template versions often ran upto 50% slower than direct #invoke of each tiny Lua function. See a simple example of how to build Lua with CMake and use it with sol2 here. Putting the following into the debug window gives the values shown: I don't need the functionI'm just asking if it has a bug. 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. My new test module Module:Sandbox/iantresman/sandbox/archive/mw.recursive prints out "frame.args" arguments passed to it, but is not recursively printing "mw.site" library functions/table when accessed from User:Iantresman/sandbox/archive/mw.recursive. See http://godoc.org/github.com/yuin/gopher-lua#LTable for the LTable Go API. Easy to start using, the interface is user friendly and feels similar to C++ standard library. Check out this engine for making Zelda-likes for inspiration of how to write game code in Lua. Think of Lua scripts as functions - you can call them with require or do_file and they can return variables. Although Lua can still process the 6,000 parameters, to compare choices, within "0.02" Lua seconds, the load time of the #invoke interface is 27 seconds. And to fetch an argument without conversion the L.Get(n int) function can be used. Clearly it's worth thinking about ways to reduce this impact as much as possible. We really ought to decide, flip a coin, something so we get this sort of stuff to a predictable spot. is just another way to write o.foo(o, x), Is this the right place for Lua programming queries? Unfortunately, I have not yet been able to think of a way to mix this logic to get what I want, namely a way to control whether results are updated daily or weekly, etc., because I haven't thought of a way by which the logic of whether time has passed will always be evaluated but the logic of the page content will not be, unless the time has come, at which point the caching should be updated on that page. GitHub To get the perf bit The docs are fantastic too. with nil arguments removed. Wnt (talk) 15:56, 6 January 2014 (UTC). {{. How about expanding the template's function so that we can also put at the top of template /doc pages? Is a module supposed to do something clever in order to output tags? For example, check Special:WhatLinksHere/3000 United States Census. -- Sameboat - (talk) 07:07, 18 March 2013 (UTC), Thank Dragons flight for clearing something for me. You couldn't keep track of your old experiments, and my experience is that yes, I. And be especially careful when using coroutines. The body of the compiled Lua function consists of a series of function calls to the helper functions, one per instruction. WebTo call a Lua funcion, we first push the function onto the stack. To do this it calls the Lua bytecode compiler and then it converts the bytecode to C. For each function in the module, the code generator produces an appropriate function header and then it iterates over the functions bytecodes, outputting a block of C code for each instruction. It is superfluous if you only call the function once within the scope of the local variable, but that is pretty rare. - basically everything else that doesnt interact with low-level OS APIs much. DePiep (talk) 23:55, 21 May 2015 (UTC). Godoc: http://godoc.org/github.com/yuin/gopher-lua, All code in the post can be found at http://github.com/otm/embedding-lua-in-go. may be relevant to this problem. There is no reason to do it for functions which are already P:S Creating separate module for template2 in above example is not feasible because I am trying to reduce the number of template substitution and writing separate modules would defeat the purpose.--Jayarathina (talk) 05:20, 24 December 2013 (UTC). Or is it something else? Servicing Northern California For Over 25 Years, Select The Service Your Interested InDocument ShreddingRecords ManagementPortable StorageMoving ServicesSelf StorageOffice MovingMoving Supplies. Iterative multi-file loader, used to load all Lua modules in a directory and return them as one table. Eg: {{example |row1 = {{template2|height=52}} }}, In the above exaple we can get row1 as frame.args.row1 but is it possible to get height from row1. The sandbox Wiki code {{Special:AllPages|namespace=666}} {{CURRENTTIMESTAMP}} returns a timestamp that changes each time the page is reloaded, because caching is disabled. is to create and maintain customer confidence with our services and communication. WebIt's more terse, though at the expense of the function call overhead. So its better to do it on Lua side, unless you make a C++ API which has to accept tables for ease-of-use - then you dont have much choice (but you can still wrap them into Lua functions and call C++ function internally). For example, I might want to process the posts on a talk page, and add some extra formatting. --HectorMoffet (talk) 11:05, 29 December 2013 (UTC). Hopefully this will be semi-useful again. Long story short, the overhead of a direct (non-virtual) function call was approximately 5.5 nanoseconds, or 18 clock cycles, compared to an inline function call. The overhead of a virtual function call was 13.2 nanoseconds, or 42 clock cycles, compared to inline. These timings are likely different on different processor families. Then we call the function with lua_call (). WebThe Lua interpreter offers two hooks for debug purposes: typedef void (*lua_CHFunction) (lua_Function func, char *file, int line); extern lua_CHFunction lua_callhook; typedef void (*lua_LHFunction) (int line); extern lua_LHFunction lua_linehook; The first one is called whenever the interpreter enters or leaves a function. Servicing Stanislaus, San Joaquin and Merced Counties, 2209 Fairview Drive Suite A Ceres, CA 95307. For instance, consider the following function, to increment a global counter. This function has 1 as its default argument; that is, the call incCount (), without arguments, increments count by one. When you call incCount () , Lua first initializes n with nil ; the or results in its second operand; and as a result Lua assigns a default 1 to n . initialized with the actual arguments given in the function call. Comments appreciated. If you notice that your C++ function has a huge overhead because of Lua calls, consider using this pattern: // in C++ sol::table t = lua.create_table (); for (int i = 0; i < 1000; i++) { // do stuff in C++, push data to Lua table occasionally } luaFunc (t); -- in Lua function someFunc (t) for k,v in pairs (t) do -- do stuff end end 5. Preceding unsigned comment added by Ryn78 (talk contribs) 03:27, 13 October 2013 (UTC), Is it possible for a module to invoke another module? after imported i find error in article with this Category:Pages with script errors. Will your logo be here as well?. :) Wnt (talk) 02:58, 6 January 2014 (UTC). Needs study to guarantee correctness! Gut feeling is usually wrong. lua.LVAsBool(v LValue) - Convert to bool, nil and false becomes false. Everyone took really good care of our things. Its fast. Hex (? Still, there are a lot of options available maybe someone can think of something? Download the official Lua source code here: https://www.lua.org/download.html. This came up over at Template talk:Historical populations. ( Each layer of "shell templates" (to #invoke a Lua function) also increases the expansion depth by about +2 levels of the 41-level limit (shows "41/40"). --Vriullop (talk) 11:07, 22 March 2013 (UTC). now i wanted to translate Category:Pages with script errors in bn language. Older versions of Lua created empty tables with some pre-all ocated slots (four, if I 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. There was a problem preparing your codespace, please try again. I wonder if there's any actually helpful tutorial for those already familiar with Wikisyntax but without other computer language experience like Lua or C. The tutorials I found usually begin with a simple code to tell you to copy-and-paste (hello, world) then look at the outcome. During operation, in the event that any functions share the same name, a table will be created with that name and the conflicting functions will be stored there using the name of the script they came from, such that with two scripts foo and bar, both containing the function foo, you would end up with the functions foo.foo and foo.bar. ), The disadvantage of course is that bugfixes in modules like Redirect don't get passed on. You can find Luas reference manual here. How to implement action sequences and cutscenes in Lua, Making and storing references to game objects (entities) in C++ and Lua, https://www.lua.org/manual/5.4/manual.html#4. :P Anyway, I have taken that idea and added some parameter checking and some documentation, and called it Module:User:Mr. Stradivarius/PrefixIndex. Are you sure you want to create this branch? Right now I'm putting ratings on the documentation subpages, which I think is what someone suggested before at one point for categories. in C (or in any other language used by the host application). The Lua version has some differences from the current template, so I would like to get others' comments before making the switch. Anyone interested in testing templates may want to try Module:Convert/tester which allows hundreds of tests to be easily defined. there is no difference between functions defined The downside is it will incur a small performance impact every time a new page of callframes is allocated. Lori Baker - via Google. 1 Answer Sorted by: 3 I would generally recommend to avoid making high volume calls into Lua. With those it's not entirely clear if they are meant to go together or not. To learn Lua, read Programming in Lua by Roberto Ierusalimschy. --SocietyBox (talk) 02:26, 20 January 2014 (UTC). E.g. I didn't use Special:ExpandTemplates, though - I really did just forget my curly braces. There are a number of To(n int) functions available. Hard working, fast, and worth every penny! I am trying to implement {{Horizontal timeline}} as a module. Just some of our awesome clients tat we had pleasure to work with. Within C and C++, some comp If this behavior is not suitable for your usecase, a custom handler function for resolving conflicting functions can be used by passing a function as an optional second argument. Any suggestion on how to receive this parameter template as a table rather than a substituted string? The parameters object takes three important parameters: Fn - the lua.LFunction to call Nret - The number of returned values Protect - If protect is true an error is returned, otherwise a panic will occur. If that is not possible: Please suggest an alternative method to implement it. ?0" here but useful if omit above. Support for calling a parser function is coming soon with frame:callParserFunction, or you could do it today by passing the markup to frame:preprocess.

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