Extract ffi to lua52-sys

lua52-sys/.gitignore

@@ -0,0 +1,2 @@
+Cargo.lock
+target

lua52-sys/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+
+name = "lua52-sys"
+version = "0.0.1"
+authors = ["Pierre Krieger <pierre.krieger1708@gmail.com>"]
+description = "Bindings for Lua 5.2"
+build = "build.rs"
+links = "lua52"
+license = "MIT"
+repository = "https://github.com/tomaka/rust-hl-lua"
+
+[build-dependencies]
+pkg-config = "*"

lua52-sys/build.rs

@@ -0,0 +1,5 @@
+extern crate "pkg-config" as pkg_config;
+
+fn main() {
+    pkg_config::find_library("lua5.2").unwrap();
+}

lua52-sys/src/lib.rs

@@ -2,9 +2,10 @@
 #![allow(non_snake_case)]
 #![allow(dead_code)]
 
-use libc;
+extern crate libc;
+
 use libc::c_int;
-use std::{ default, ptr };
+use std::{default, ptr};
 
 pub const MULTRET: c_int = -1;
 
@@ -20,8 +21,8 @@ pub const LUA_ERRMEM: c_int = 4;
 pub const LUA_ERRGCMM: c_int = 5;
 pub const LUA_ERRERR: c_int = 6;
 
-
 #[repr(C)]
+#[allow(missing_copy_implementations)]
 pub struct lua_State;
 
 pub type lua_CFunction = extern "C" fn(L: *mut lua_State) -> c_int;
@@ -92,6 +93,7 @@ pub const LUA_MASKLINE: c_int = 1 << LUA_HOOKLINE as uint;
 pub const LUA_MASKCOUNT: c_int = 1 << LUA_HOOKCOUNT as uint;
 
 #[repr(C)]
+#[allow(missing_copy_implementations)]
 pub struct lua_Debug {
     pub event: c_int,
     pub name: *const libc::c_char,

rust-hl-lua/Cargo.toml

@@ -4,3 +4,7 @@ name = "rust-hl-lua"
 version = "0.1.0"
 authors = [ "pierre.krieger1708@gmail.com" ]
 license = "MIT"
+
+[dependencies.lua52-sys]
+version = "*"
+path = "../lua52-sys"

rust-hl-lua/src/lib.rs

@@ -4,6 +4,7 @@
 
 extern crate libc;
 extern crate collections;
+extern crate "lua52-sys" as ffi;
 
 use std::error::Error;
 use std::io::IoError;
@@ -17,7 +18,6 @@ pub mod functions_read;
 pub mod lua_tables;
 pub mod userdata;
 
-mod ffi;
 mod functions_write;
 mod rust_tables;
 mod tuples;