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GitHub - jmckaskill/luaffi: Standalone FFI library for calling C functions from lua. Compatible with the luajit FFI interface.Standalone FFI library for calling C functions from lua. Compatible with the luajit FFI interface. - jmckaskill/luaffi
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GitHub - jmckaskill/luaffi: Standalone FFI library for calling C functions from lua. Compatible with the luajit FFI interface.
About
This is a library for calling C function and manipulating C types from lua. It is designed to be interface compatible with the FFI library in luajit (see http://luajit.org/ext_ffi.html). It can parse C function declarations and struct definitions that have been directly copied out of C header files and into lua source as a string.
License
Copyright (c) 2011 James R. McKaskill. MIT same as Lua 5.1. See full license text in ffi.h.
Source
https://github.com/jmckaskill/luaffi
Platforms
Currently supported:
- windows x86/x64
- linux x86/x64
- windows CE ARM little endian (ARMv4+)
- OSX x86/x64
Currently only dll builds are supported (ie no static).
Runs with both Lua 5.1 and Lua 5.2 beta.
Build
On windows use msvcbuild.bat in a visual studio cmd prompt. Available targets are:
- nothing or release: default release build
- debug: debug build
- test: build and run the test debug build
- test-release: build and run the test release build
- clean: cleanup object files
Edit msvcbuild.bat if your lua exe, lib, lua include path, or lua dll name differ from c:\Lua5.1 and lua5.1.dll.
The build script does not build for CE as this is non-trivial and very dependent on which CE profile (or even a custom one). Instead to build on CE, add generate_call_h.bat as a pre-build event and then build *.c with UNDER_CE defined plus whatever defines windows.h requires.
On posix use make. Available targets are:
- nothing or all: default release build
- debug: debug build
- test: build and run the test build
- clean: cleanup object files
- macosx: release build for Mac OSX
Edit the Makefile if your lua exe differs from lua5.1
or if you can't get
the include and lib arguments from pkg-config.
Known Issues
- Has not been bullet proof tested
- Casting is different from luajit. For the moment this follows C++
- ffi.cast is equivalent to a C cast in C++ (T t = (T) f)
- ffi.new and ctype() is equivalent to an implicit cast in C++ (T t = f)
- since this follows C++ semantics void* does not cast to T* (an explicit cast using ffi.cast is required)
- Comparing a ctype pointer to nil doesn't work the same as luajit. This is unfixable with the current metamethod semantics. Instead use ffi.C.NULL
- Constant expressions can't handle non integer intermediate values (eg offsetof won't work because it manipulates pointers)
- Not all metamethods work with lua 5.1 (eg char* + number). This is due to the way metamethods are looked up with mixed types in Lua 5.1. If you need this upgrade to Lua 5.2 or use boxed numbers (uint64_t and uintptr_t).
- All bitfields are treated as unsigned (does anyone even use signed bitfields?). Note that "int s:8" is unsigned on unix x86/x64, but signed on windows.
Todo
See Github issues for the most up to date list.
- Fix arm support - broken since the callback refactor
- Vectors
- C++ reference types
- Subtracting one pointer from another
- Variable sized members in unions (is this needed?)
How it works
Types are represented by a struct ctype structure and an associated user value table. The table is shared between all related types for structs, unions, and functions. It's members have the types of struct members, function argument types, etc. The struct ctype structure then contains the modifications from the base type (eg number of pointers, array size, etc).
Types are pushed into lua as a userdata containing the struct ctype with a user value (or fenv in 5.1) set to the shared type table.
Boxed cdata types are pushed into lua as a userdata containing the struct cdata structure (which contains the struct ctype of the data as its header) followed by the boxed data.
The functions in ffi.c provide the cdata and ctype metatables and ffi.* functions which manipulate these two types.
C functions (and function pointers) are pushed into lua as a lua c function with the function pointer cdata as the first upvalue. The actual code is JITed using dynasm (see call_x86.dasc). The JITed code does the following in order:
- Calls the needed unpack functions in ffi.c placing each argument on the HW stack
- Updates errno
- Performs the c call
- Retrieves errno
- Pushes the result back into lua from the HW register or stack
More Resourcesto explore the angular.
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- 1Torch | Scientific computing for LuaJIT.
http://torch.ch/
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- 2OpenResty
https://github.com/openresty
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- 6New maintainer at: https://github.com/lunarmodules/lualogging
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New maintainer at: https://github.com/lunarmodules/lualogging - Neopallium/lualogging
- 7Archives of the Kepler Project
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Public Archives of various modules created by the Kepler Project from 2003 to 2009. For up-to-date Lua modules, check out LuaRocks and the Lunar Modules project - Archives of the Kepler Project
- 8JSON parser/encoder for Lua Parses JSON using LPEG for speed and flexibility. Depending on parser/encoder options, various values are preserved as best as possible.
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JSON parser/encoder for Lua Parses JSON using LPEG for speed and flexibility. Depending on parser/encoder options, various values are preserved as best as possible. - harningt/luajson
- 9A lightweight, dependency-free library for binding Lua to C++
https://github.com/vinniefalco/LuaBridge
A lightweight, dependency-free library for binding Lua to C++ - vinniefalco/LuaBridge
- 10Free Cross-Platform 2D Game Engine
https://coronalabs.com/
Corona is a 2D engine lets you build games & apps for all major platforms including iOS, Android, Kindle, Apple TV, Android TV, macOS, and Windows. Get the free toolset!
- 11A copy of the Lua development repository, as seen by the Lua team. Mirrored irregularly. Please DO NOT send pull requests or any other stuff. All communication should be through the Lua mailing list https://www.lua.org/lua-l.html
https://github.com/lua/lua
A copy of the Lua development repository, as seen by the Lua team. Mirrored irregularly. Please DO NOT send pull requests or any other stuff. All communication should be through the Lua mailing lis...
- 12A lightweight JSON library for Lua
https://github.com/rxi/json.lua
A lightweight JSON library for Lua. Contribute to rxi/json.lua development by creating an account on GitHub.
- 13A Lua-based Build Tool
https://github.com/stevedonovan/Lake
A Lua-based Build Tool. Contribute to stevedonovan/Lake development by creating an account on GitHub.
- 14Feature-rich command line parser for Lua
https://github.com/mpeterv/argparse
Feature-rich command line parser for Lua. Contribute to mpeterv/argparse development by creating an account on GitHub.
- 15Lua code analysis, with plugins for HTML and SciTE
https://github.com/davidm/lua-inspect
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https://github.com/rxi/lurker
Auto-swaps changed Lua files in a running LÖVE project - rxi/lurker
- 17Remote debugger for Lua.
https://github.com/pkulchenko/MobDebug
Remote debugger for Lua. Contribute to pkulchenko/MobDebug development by creating an account on GitHub.
- 18Asynchronous logging library for Lua
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Asynchronous logging library for Lua. Contribute to moteus/lua-log development by creating an account on GitHub.
- 19luaproc is a concurrent programming library for Lua
https://github.com/askyrme/luaproc
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https://github.com/aarzilli/golua
Go bindings for Lua C API - in progress. Contribute to aarzilli/golua development by creating an account on GitHub.
- 31Lua binding to libzip.
https://github.com/brimworks/lua-zip
Lua binding to libzip. Contribute to brimworks/lua-zip development by creating an account on GitHub.
- 32SAX-like streaming XML parser for Lua
https://github.com/Phrogz/SLAXML
SAX-like streaming XML parser for Lua. Contribute to Phrogz/SLAXML development by creating an account on GitHub.
- 33Lanes is a lightweight, native, lazy evaluating multithreading library for Lua 5.1 to 5.4.
https://github.com/LuaLanes/lanes
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https://github.com/Yonaba/Moses
Utility library for functional programming in Lua - Yonaba/Moses
- 35Lua Fun is a high-performance functional programming library for Lua designed with LuaJIT's trace compiler in mind.
https://github.com/luafun/luafun
Lua Fun is a high-performance functional programming library for Lua designed with LuaJIT's trace compiler in mind. - luafun/luafun
- 36Standalone FFI library for calling C functions from lua. Compatible with the luajit FFI interface.
https://github.com/jmckaskill/luaffi
Standalone FFI library for calling C functions from lua. Compatible with the luajit FFI interface. - jmckaskill/luaffi
- 37StackTracePlus provides enhanced stack traces for Lua.
https://github.com/ignacio/StackTracePlus
StackTracePlus provides enhanced stack traces for Lua. - ignacio/StackTracePlus
- 38A lua-based Pac-Man clone.
https://github.com/tylerneylon/pacpac
A lua-based Pac-Man clone. Contribute to tylerneylon/pacpac development by creating an account on GitHub.
- 39ANSI terminal color manipulation for Lua.
https://github.com/kikito/ansicolors.lua
ANSI terminal color manipulation for Lua. Contribute to kikito/ansicolors.lua development by creating an account on GitHub.
- 40Embedded Lua templates
https://github.com/leafo/etlua
Embedded Lua templates. Contribute to leafo/etlua development by creating an account on GitHub.
- 41Reactive Extensions for Lua
https://github.com/bjornbytes/RxLua
Reactive Extensions for Lua. Contribute to bjornbytes/RxLua development by creating an account on GitHub.
- 42File system path manipulation library
https://github.com/moteus/lua-path
File system path manipulation library. Contribute to moteus/lua-path development by creating an account on GitHub.
- 43Lua binding to ZeroMQ
https://github.com/zeromq/lzmq
Lua binding to ZeroMQ. Contribute to zeromq/lzmq development by creating an account on GitHub.
- 44Lua bindings for POSIX APIs
https://github.com/luaposix/luaposix
Lua bindings for POSIX APIs. Contribute to luaposix/luaposix development by creating an account on GitHub.
- 45Lightweight Lua test framework
https://github.com/bjornbytes/lust
Lightweight Lua test framework. Contribute to bjornbytes/lust development by creating an account on GitHub.
- 46A tool for linting and static analysis of Lua code.
https://github.com/mpeterv/luacheck
A tool for linting and static analysis of Lua code. - GitHub - mpeterv/luacheck: A tool for linting and static analysis of Lua code.
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https://github.com/rxi/flux
A fast, lightweight tweening library for Lua. Contribute to rxi/flux development by creating an account on GitHub.
- 48Fast, lightweight and easy-to-use pathfinding library for grid-based games
https://github.com/Yonaba/Jumper
Fast, lightweight and easy-to-use pathfinding library for grid-based games - Yonaba/Jumper
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https://github.com/wingify/lua-resty-rabbitmqstomp
Opinionated Lua RabbitMQ client library for the ngx_lua apps based on the cosocket API - wingify/lua-resty-rabbitmqstomp
- 50Build a standalone executable from a Lua program.
https://github.com/ers35/luastatic
Build a standalone executable from a Lua program. Contribute to ers35/luastatic development by creating an account on GitHub.
- 51Human-readable representation of Lua tables
https://github.com/kikito/inspect.lua
Human-readable representation of Lua tables. Contribute to kikito/inspect.lua development by creating an account on GitHub.
- 52Lexing & Syntax Highlighting in Lua (using LPeg)
https://github.com/xolox/lua-lxsh
Lexing & Syntax Highlighting in Lua (using LPeg). Contribute to xolox/lua-lxsh development by creating an account on GitHub.
- 53Pure Lua Cassandra client using CQL binary protocol
https://github.com/jbochi/lua-resty-cassandra
Pure Lua Cassandra client using CQL binary protocol - jbochi/lua-resty-cassandra
- 5430 lines library for object orientation in Lua
https://github.com/Yonaba/30log
30 lines library for object orientation in Lua. Contribute to Yonaba/30log development by creating an account on GitHub.
- 55LibYAML binding for Lua.
https://github.com/gvvaughan/lyaml
LibYAML binding for Lua. Contribute to gvvaughan/lyaml development by creating an account on GitHub.
- 56A very complete i18n lib for Lua
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A very complete i18n lib for Lua. Contribute to kikito/i18n.lua development by creating an account on GitHub.
- 57A Lua 5.3 parser written with LPegLabel
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A Lua 5.3 parser written with LPegLabel. Contribute to andremm/lua-parser development by creating an account on GitHub.
- 58A Lua MVC Web Framework.
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- 59Intellisense and Linting for Lua in VSCode
https://github.com/trixnz/vscode-lua
Intellisense and Linting for Lua in VSCode. Contribute to trixnz/vscode-lua development by creating an account on GitHub.
- 60Lua binding to libcurl
https://github.com/Lua-cURL/Lua-cURLv3
Lua binding to libcurl. Contribute to Lua-cURL/Lua-cURLv3 development by creating an account on GitHub.
- 61Time, Date and Timezone library for lua
https://github.com/daurnimator/luatz
Time, Date and Timezone library for lua. Contribute to daurnimator/luatz development by creating an account on GitHub.
- 62Lua library for conversion between markup formats
https://github.com/jgm/lunamark
Lua library for conversion between markup formats. Contribute to jgm/lunamark development by creating an account on GitHub.
- 63Nginx image processing server with OpenResty and Lua
http://leafo.net/posts/creating_an_image_server.html
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- 64ProFi, a simple lua profiler that works with LuaJIT and prints a pretty report file in columns.
https://gist.github.com/perky/2838755
ProFi, a simple lua profiler that works with LuaJIT and prints a pretty report file in columns. - ProFi.lua
- 65Batteries included Lua
https://github.com/tongson/omnia
Batteries included Lua. Contribute to tongson/omnia development by creating an account on GitHub.
- 66An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Cervantes, Kindle, Kobo, PocketBook and Android devices
https://github.com/koreader/koreader
An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Cervantes, Kindle, Kobo, PocketBook and Android devices - koreader/koreader
- 67Tweening/Easing/Interpolating functions for lua. Inspired on jQuery's animate method.
https://github.com/kikito/tween.lua
Tweening/Easing/Interpolating functions for lua. Inspired on jQuery's animate method. - kikito/tween.lua
- 68Lua redis client driver for the ngx_lua based on the cosocket API
https://github.com/openresty/lua-resty-redis
Lua redis client driver for the ngx_lua based on the cosocket API - openresty/lua-resty-redis
- 69Technews.fr - High Tech, Tests, et Tutos
http://www.luteus.biz/Download/LoriotPro_Doc/LUA/LUA_For_Windows/lanes/comparison.html
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- 70Lua string hashing library, useful for internationalization
https://github.com/Olivine-Labs/say
Lua string hashing library, useful for internationalization - lunarmodules/say
- 71An interpreter for the Lua language, written entirely in C# for the .NET, Mono, Xamarin and Unity3D platforms, including handy remote debugger facilities.
https://github.com/xanathar/moonsharp
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- 72Network support for the Lua language
https://github.com/diegonehab/luasocket
Network support for the Lua language. Contribute to lunarmodules/luasocket development by creating an account on GitHub.
- 73A command-line argument parsing module for Lua.
https://github.com/amireh/lua_cliargs
A command-line argument parsing module for Lua. Contribute to lunarmodules/lua_cliargs development by creating an account on GitHub.
- 74A set of pure Lua libraries focusing on input data handling (such as reading configuration files), functional programming (such as map, reduce, placeholder expressions,etc), and OS path management. Much of the functionality is inspired by the Python standard libraries.
https://github.com/stevedonovan/Penlight
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- 75Lua HTTP client cosocket driver for OpenResty / ngx_lua.
https://github.com/pintsized/lua-resty-http
Lua HTTP client cosocket driver for OpenResty / ngx_lua. - ledgetech/lua-resty-http
- 76Assertion library for Lua
https://github.com/Olivine-Labs/luassert
Assertion library for Lua. Contribute to lunarmodules/luassert development by creating an account on GitHub.
- 77An RFC compliant and ESI capable HTTP cache for Nginx / OpenResty, backed by Redis
https://github.com/pintsized/ledge
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- 3Game Development with Lua: Building Your First 2D Game
- 4Using Lua for Scripting in Game Engines: Roblox and Corona SDK
- 5Embedding Lua in C/C++ Applications: A Step-by-Step Guide
- 6Building Extensible Software with Lua: Adding Scripting Capabilities to Existing Apps
- 7Optimizing Lua Scripts: Techniques for Speed and Efficiency
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- 10Building Web Applications with Lua: OpenResty
FAQ'sto learn more about Angular JS.
mail [email protected] to add more queries here 🔍.
- 1
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