Update Luau FFI bindings (added some missing functions)

Author: khvzak

mlua-sys/src/luau/lauxlib.rs

@@ -122,7 +122,19 @@ pub unsafe fn luaL_optstring(L: *mut lua_State, n: c_int, d: *const c_char) -> *
     luaL_optlstring(L, n, d, ptr::null_mut())
 }
 
-// TODO: luaL_opt
+#[inline(always)]
+pub unsafe fn luaL_opt<T>(
+    L: *mut lua_State,
+    f: unsafe extern "C-unwind" fn(*mut lua_State, c_int) -> T,
+    n: c_int,
+    d: T,
+) -> T {
+    if lua::lua_isnoneornil(L, n) != 0 {
+        d
+    } else {
+        f(L, n)
+    }
+}
 
 #[inline(always)]
 pub unsafe fn luaL_getmetatable(L: *mut lua_State, n: *const c_char) -> c_int {

mlua-sys/src/luau/lua.rs

@@ -37,6 +37,16 @@ pub const LUA_ERRRUN: c_int = 2;
 pub const LUA_ERRSYNTAX: c_int = 3;
 pub const LUA_ERRMEM: c_int = 4;
 pub const LUA_ERRERR: c_int = 5;
+pub const LUA_BREAK: c_int = 6; // yielded for a debug breakpoint
+
+//
+// Coroutine status
+//
+pub const LUA_CORUN: c_int = 0; // running
+pub const LUA_COSUS: c_int = 1; // suspended
+pub const LUA_CONOR: c_int = 2; // 'normal' (it resumed another coroutine)
+pub const LUA_COFIN: c_int = 3; // finished
+pub const LUA_COERR: c_int = 4; // finished with error
 
 /// A raw Lua state associated with a thread.
 #[repr(C)]
@@ -145,8 +155,10 @@ unsafe extern "C-unwind" {
     pub fn lua_toboolean(L: *mut lua_State, idx: c_int) -> c_int;
     pub fn lua_tolstring(L: *mut lua_State, idx: c_int, len: *mut usize) -> *const c_char;
     pub fn lua_tostringatom(L: *mut lua_State, idx: c_int, atom: *mut c_int) -> *const c_char;
+    pub fn lua_tolstringatom(L: *mut lua_State, idx: c_int, len: *mut usize, atom: *mut c_int) -> *const c_char;
     pub fn lua_namecallatom(L: *mut lua_State, atom: *mut c_int) -> *const c_char;
-    pub fn lua_objlen(L: *mut lua_State, idx: c_int) -> usize;
+    #[link_name = "lua_objlen"]
+    pub fn lua_objlen_(L: *mut lua_State, idx: c_int) -> c_int;
     pub fn lua_tocfunction(L: *mut lua_State, idx: c_int) -> Option<lua_CFunction>;
     pub fn lua_tolightuserdata(L: *mut lua_State, idx: c_int) -> *mut c_void;
     pub fn lua_tolightuserdatatagged(L: *mut lua_State, idx: c_int, tag: c_int) -> *mut c_void;
@@ -218,6 +230,7 @@ unsafe extern "C-unwind" {
     //
     pub fn lua_settable(L: *mut lua_State, idx: c_int);
     pub fn lua_setfield(L: *mut lua_State, idx: c_int, k: *const c_char);
+    pub fn lua_rawsetfield(L: *mut lua_State, idx: c_int, k: *const c_char);
     pub fn lua_rawset(L: *mut lua_State, idx: c_int);
     #[link_name = "lua_rawseti"]
     pub fn lua_rawseti_(L: *mut lua_State, idx: c_int, n: c_int);
@@ -251,6 +264,12 @@ unsafe extern "C-unwind" {
     pub fn lua_isyieldable(L: *mut lua_State) -> c_int;
     pub fn lua_getthreaddata(L: *mut lua_State) -> *mut c_void;
     pub fn lua_setthreaddata(L: *mut lua_State, data: *mut c_void);
+    pub fn lua_costatus(L: *mut lua_State, co: *mut lua_State) -> c_int;
+}
+
+#[inline(always)]
+pub unsafe fn lua_objlen(L: *mut lua_State, idx: c_int) -> usize {
+    lua_objlen_(L, idx) as usize
 }
 
 //
@@ -287,7 +306,7 @@ unsafe extern "C-unwind" {
     pub fn lua_next(L: *mut lua_State, idx: c_int) -> c_int;
     pub fn lua_rawiter(L: *mut lua_State, idx: c_int, iter: c_int) -> c_int;
     pub fn lua_concat(L: *mut lua_State, n: c_int);
-    // TODO: lua_encodepointer
+    pub fn lua_encodepointer(L: *mut lua_State, p: usize) -> usize;
     pub fn lua_clock() -> c_double;
     pub fn lua_setuserdatatag(L: *mut lua_State, idx: c_int, tag: c_int);
     pub fn lua_setuserdatadtor(L: *mut lua_State, tag: c_int, dtor: Option<lua_Destructor>);
@@ -298,6 +317,7 @@ unsafe extern "C-unwind" {
     pub fn lua_getlightuserdataname(L: *mut lua_State, tag: c_int) -> *const c_char;
     pub fn lua_clonefunction(L: *mut lua_State, idx: c_int);
     pub fn lua_cleartable(L: *mut lua_State, idx: c_int);
+    pub fn lua_clonetable(L: *mut lua_State, idx: c_int);
     pub fn lua_getallocf(L: *mut lua_State, ud: *mut *mut c_void) -> lua_Alloc;
 }
 
@@ -357,7 +377,10 @@ pub unsafe fn lua_newuserdata_t<T>(L: *mut lua_State, data: T) -> *mut T {
     ud_ptr
 }
 
-// TODO: lua_strlen
+#[inline(always)]
+pub unsafe fn lua_strlen(L: *mut lua_State, i: c_int) -> usize {
+    lua_objlen(L, i)
+}
 
 #[inline(always)]
 pub unsafe fn lua_isfunction(L: *mut lua_State, n: c_int) -> c_int {