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The basic lua VM (not luajit) is only like 11kb compiled. You can't directly do FFI from lua, but you can set up the FFI functions from the C API


Any examples of code or know where someone has done this?


Lua was made for this! Here's a simple example:

https://gist.github.com/Vesnica/3672425

It loads and runs a Lua source code file which calls the exported C function. Lua compiles the source code into byte code before running it but that can also be done ahead of time with the Lua compiler:

https://www.lua.org/manual/5.3/luac.html

It can also be done manually with the dump and load functions:

https://www.lua.org/manual/5.3/manual.html#lua_dump

https://www.lua.org/manual/5.3/manual.html#lua_load




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