Luajit c example from local lib = ffi. Advanced Features Here's a real-life example taken from LuaJIT that shows some advanced features like type maps, macros and how to access C structures: Mirror of the LuaJIT git repository. Loading a shared C++ library from LuaJIT through FFI This repository contains the code for a tutorial on using LuaJIT's FFI to load a shared library. . h" Oct 26, 2013 · luajit -b Module. lua” 作为参数传递给它。因此 luajit 的 main 函数（位于 src/luajit. Note that copying it to a local C = ffi. Contribute to LuaJIT/LuaJIT development by creating an account on GitHub. "sol2 is a C++ library binding to Lua. Feb 14, 2023 · See a simple example of how to build Lua with CMake and use it with sol2 here. funca(x, i), 1) end end This generates both shorter and faster code. Later, we move beyond and see how to interact with things in Torch. h" int main(int argc, char *argv[]) {int status; lua_State *L; L = luaL_newstate(); // open Lua: if (!L) {return -1; // Checks that Lua started up} luaL_openlibs(L); // load Lua libraries: if (argc > 1) {status = luaL_loadfile(L, argv[1]); // load Lua script: int ret = lua_pcall(L, 0, 0, 0); // tell Lua to run the script: if LuaJIT adds some extensions to the standard Lua/C API. malloc 返回的指针本身所对应的 cdata 对象还是由 LuaJIT GC 来管理的，也就是这个指针的 cdata 对象指向的是用 ffi. local C = ffi. Aug 8, 2024 · #include "luajit. Which binding to use? Option A. lua. If you only want to call some C/C++ functions from Lua (or some small Lua functions from C/C++) - use Lua C API. LuaJIT is Lua’s fork essentially and is stuck almost at Lua 5. 3w次。Lua作为一门优雅高效的脚本语言，开始受到越来越多的关注。很多对Lua感兴趣的朋友最郁闷的问题就是 Nov 1, 2012 · the C API (not really needed as LuaJIT has a great FFI) In the next part, I will introduce the LuaJIT FFI by building an example application which binds to the EGL and OpenVG libraries to draw something tangible on the screen. Contribute to hnakamur/luajit-examples development by creating an account on GitHub. Initially, we follow along with Marek Vavrusa's blog post. lua Module_bc. c 中）会被调用。 在 main 中，程序会创建 lua_State，表示一个 Lua 状态机。 Aug 12, 2015 · First choice is portable between different Lua flavours, but Lua/C calls would still abort traces (as they’re NYI). E. The action list buffer itself has a pretty compact encoding, too. The shared library here is written in C++, so we need to do some tricks to get it working. malloc 分配的空间便不再使用 LuaJIT 自己的分配器了，所以不是由 LuaJIT GC 来管理的，但是，要注意的是 ffi. May 6, 2013 · 文章浏览阅读1. Vanilla Lua, the latest version, otherwise. If you build with shared libraries enabled and export this array from the main executable, require will find it (and will not need to look for Module. malloc 分配的内存空间。 Apr 19, 2023 · 当你在命令行中输入 luajit hello. the whole action list buffer for an early version of LuaJIT needs only around 3K. lua 时，操作系统会解析这个命令并让对应程序执行,并将 “hello. Note that copying it to a Here are some notes/instructions for embedding Lua in C. ) Embedding LuaJIT. sol2 aims to be easy to use and easy to add to a project. 2. x included). Please do not attempt to integrate the individual source files into your build tree. Stay tuned. Feb 2, 2019 · I wrote some examples of basic operations like running Lua code from a string, loading a script file, exposing variables and C functions to Lua code, recovering the values from global variables inside the Lua code and calling Lua function in C. It adds its own extensions to Lua, so porting code which works in LuaJIT to vanilla Lua is sometimes tricky, if not impossible. The LuaJIT include directory must be in the compiler search path ( -I path ) to be able to include the required header for C code: #include "luajit. C -- Instead use this! local function foo(x, n) for i=1,n do C. The second choice locks us to LuaJIT unfortunately. X. So don't cache C functions, but do cache namespaces! Most often the namespace is already in a local variable at an outer scope, e. Lua C API. funcb(C. It currently supports all Lua versions 5. Note: This was initially setup to embed the LuaJIT, but I then discovered the issue with building 64-bit LuaJIT Out of curiosity, are you using the latest version of sol? The github says it supports LuaJit 2. Since this is a tutorial, I’m going to show you how to rewrite the current bindings using FFI. Various examples for introducing LuaJIT behaviour. Feb 14, 2023 · LuaJIT is Lua’s fork essentially and is stuck almost at Lua 5. Which Lua version to choose? LuaJIT if you need maximum performance. c will compile a module to bytecode and output a C array initializer containing that bytecode. You'll most likely get the internal build dependencies wrong or mess up the compiler flags. Contribute to tisnik/luajit-examples development by creating an account on GitHub. It's strongly suggested to build LuaJIT separately using the supplied build system. C. load(). g. my example codes for LuaJIT. May 16, 2023 · 如果使用 ffi. 1+ (LuaJIT 2. gkoqav uixt ipzn tvwbhwgki zmy sotml xill vxgx xxappp pgbf wwgia ijiyi pxlumap ebeif nuncsc