use std::os::raw::{c_char, c_int, c_long, c_void};
use std::ptr;
use super::lua::{self, lua_CFunction, lua_Integer, lua_Number, lua_State};
#[cfg(any(feature = "lua54", feature = "lua53"))]
pub use super::glue::LUAL_NUMSIZES;
#[cfg(any(feature = "lua52", feature = "lua51", feature = "luajit"))]
pub use super::compat53::{luaL_getmetafield, luaL_newmetatable, luaL_requiref, luaL_tolstring};
#[cfg(any(feature = "lua51", feature = "luajit"))]
pub use super::compat53::{
luaL_checkstack, luaL_checkversion, luaL_getsubtable, luaL_len, luaL_loadbufferx,
luaL_setfuncs, luaL_setmetatable, luaL_testudata, luaL_traceback,
};
pub const LUA_ERRFILE: c_int = lua::LUA_ERRERR + 1;
#[repr(C)]
pub struct luaL_Reg {
pub name: *const c_char,
pub func: lua_CFunction,
}
#[cfg(any(feature = "lua54", feature = "lua53", feature = "lua52"))]
#[inline(always)]
pub unsafe fn luaL_checkversion(L: *mut lua_State) {
#[cfg(any(feature = "lua54", feature = "lua53"))]
luaL_checkversion_(
L,
lua::LUA_VERSION_NUM as lua_Number,
LUAL_NUMSIZES as usize,
);
#[cfg(feature = "lua52")]
luaL_checkversion_(L, lua::LUA_VERSION_NUM as lua_Number);
}
extern "C" {
#[cfg(any(feature = "lua54", feature = "lua53"))]
pub fn luaL_checkversion_(L: *mut lua_State, ver: lua_Number, sz: usize);
#[cfg(feature = "lua52")]
pub fn luaL_checkversion_(L: *mut lua_State, ver: lua_Number);
#[cfg(any(feature = "lua54", feature = "lua53"))]
pub fn luaL_getmetafield(L: *mut lua_State, obj: c_int, e: *const c_char) -> c_int;
#[cfg(any(feature = "lua52", feature = "lua51", feature = "luajit"))]
#[link_name = "luaL_getmetafield"]
pub fn luaL_getmetafield_old(L: *mut lua_State, obj: c_int, e: *const c_char) -> c_int;
pub fn luaL_callmeta(L: *mut lua_State, obj: c_int, e: *const c_char) -> c_int;
#[cfg(any(feature = "lua54", feature = "lua53"))]
pub fn luaL_tolstring(L: *mut lua_State, idx: c_int, len: *mut usize) -> *const c_char;
pub fn luaL_argerror(L: *mut lua_State, arg: c_int, l: *const c_char) -> c_int;
pub fn luaL_checklstring(L: *mut lua_State, arg: c_int, l: *mut usize) -> *const c_char;
pub fn luaL_optlstring(
L: *mut lua_State,
arg: c_int,
def: *const c_char,
l: *mut usize,
) -> *const c_char;
pub fn luaL_checknumber(L: *mut lua_State, arg: c_int) -> lua_Number;
pub fn luaL_optnumber(L: *mut lua_State, arg: c_int, def: lua_Number) -> lua_Number;
pub fn luaL_checkinteger(L: *mut lua_State, arg: c_int) -> lua_Integer;
pub fn luaL_optinteger(L: *mut lua_State, arg: c_int, def: lua_Integer) -> lua_Integer;
#[cfg(any(feature = "lua54", feature = "lua53", feature = "lua52"))]
pub fn luaL_checkstack(L: *mut lua_State, sz: c_int, msg: *const c_char);
pub fn luaL_checktype(L: *mut lua_State, arg: c_int, t: c_int);
pub fn luaL_checkany(L: *mut lua_State, arg: c_int);
#[cfg(any(feature = "lua54", feature = "lua53"))]
pub fn luaL_newmetatable(L: *mut lua_State, tname: *const c_char) -> c_int;
#[cfg(any(feature = "lua52", feature = "lua51", feature = "luajit"))]
#[link_name = "luaL_newmetatable"]
pub fn luaL_newmetatable_old(L: *mut lua_State, tname: *const c_char) -> c_int;
#[cfg(any(feature = "lua54", feature = "lua53", feature = "lua52"))]
pub fn luaL_setmetatable(L: *mut lua_State, tname: *const c_char);
#[cfg(any(feature = "lua54", feature = "lua53", feature = "lua52"))]
pub fn luaL_testudata(L: *mut lua_State, ud: c_int, tname: *const c_char) -> *mut c_void;
pub fn luaL_checkudata(L: *mut lua_State, ud: c_int, tname: *const c_char) -> *mut c_void;
pub fn luaL_where(L: *mut lua_State, lvl: c_int);
pub fn luaL_error(L: *mut lua_State, fmt: *const c_char, ...) -> !;
pub fn luaL_checkoption(
L: *mut lua_State,
arg: c_int,
def: *const c_char,
lst: *const *const c_char,
) -> c_int;
#[cfg(any(feature = "lua54", feature = "lua53", feature = "lua52"))]
pub fn luaL_fileresult(L: *mut lua_State, stat: c_int, fname: *const c_char) -> c_int;
#[cfg(any(feature = "lua54", feature = "lua53", feature = "lua52"))]
pub fn luaL_execresult(L: *mut lua_State, stat: c_int) -> c_int;
}
pub const LUA_NOREF: c_int = -2;
pub const LUA_REFNIL: c_int = -1;
extern "C" {
pub fn luaL_ref(L: *mut lua_State, t: c_int) -> c_int;
pub fn luaL_unref(L: *mut lua_State, t: c_int, r: c_int);
#[cfg(any(feature = "lua54", feature = "lua53", feature = "lua52"))]
pub fn luaL_loadfilex(L: *mut lua_State, filename: *const c_char, mode: *const c_char)
-> c_int;
#[cfg(any(feature = "lua51", feature = "luajit"))]
pub fn luaL_loadfile(L: *mut lua_State, filename: *const c_char) -> c_int;
}
#[cfg(any(feature = "lua54", feature = "lua53", feature = "lua52"))]
#[inline(always)]
pub unsafe fn luaL_loadfile(L: *mut lua_State, f: *const c_char) -> c_int {
luaL_loadfilex(L, f, ptr::null())
}
extern "C" {
#[cfg(any(feature = "lua54", feature = "lua53", feature = "lua52"))]
pub fn luaL_loadbufferx(
L: *mut lua_State,
buff: *const c_char,
sz: usize,
name: *const c_char,
mode: *const c_char,
) -> c_int;
#[cfg(any(feature = "lua51", feature = "luajit"))]
pub fn luaL_loadbuffer(
L: *mut lua_State,
buff: *const c_char,
sz: usize,
name: *const c_char,
) -> c_int;
pub fn luaL_loadstring(L: *mut lua_State, s: *const c_char) -> c_int;
pub fn luaL_newstate() -> *mut lua_State;
#[cfg(any(feature = "lua54", feature = "lua53", feature = "lua52"))]
pub fn luaL_len(L: *mut lua_State, idx: c_int) -> lua_Integer;
pub fn luaL_gsub(
L: *mut lua_State,
s: *const c_char,
p: *const c_char,
r: *const c_char,
) -> *const c_char;
#[cfg(any(feature = "lua54", feature = "lua53", feature = "lua52"))]
pub fn luaL_setfuncs(L: *mut lua_State, l: *const luaL_Reg, nup: c_int);
#[cfg(any(feature = "lua54", feature = "lua53", feature = "lua52"))]
pub fn luaL_getsubtable(L: *mut lua_State, idx: c_int, fname: *const c_char) -> c_int;
#[cfg(any(feature = "lua54", feature = "lua53", feature = "lua52"))]
pub fn luaL_traceback(L: *mut lua_State, L1: *mut lua_State, msg: *const c_char, level: c_int);
#[cfg(any(feature = "lua54", feature = "lua53"))]
pub fn luaL_requiref(
L: *mut lua_State,
modname: *const c_char,
openf: lua_CFunction,
glb: c_int,
);
}
#[inline(always)]
#[allow(unused_variables)]
pub unsafe fn luaL_newlibtable(L: *mut lua_State, l: *const luaL_Reg) {
lua::lua_createtable(L, 0, 0)
}
#[inline(always)]
pub unsafe fn luaL_newlib(L: *mut lua_State, l: *const luaL_Reg) {
luaL_checkversion(L);
luaL_newlibtable(L, l);
luaL_setfuncs(L, l, 0)
}
#[inline(always)]
pub unsafe fn luaL_argcheck(L: *mut lua_State, cond: c_int, arg: c_int, extramsg: *const c_char) {
if cond == 0 {
luaL_argerror(L, arg, extramsg);
}
}
#[inline(always)]
pub unsafe fn luaL_checkstring(L: *mut lua_State, n: c_int) -> *const c_char {
luaL_checklstring(L, n, ptr::null_mut())
}
#[inline(always)]
pub unsafe fn luaL_optstring(L: *mut lua_State, n: c_int, d: *const c_char) -> *const c_char {
luaL_optlstring(L, n, d, ptr::null_mut())
}
#[inline(always)]
pub unsafe fn luaL_checkint(L: *mut lua_State, n: c_int) -> c_int {
luaL_checkinteger(L, n) as c_int
}
#[inline(always)]
pub unsafe fn luaL_optint(L: *mut lua_State, n: c_int, d: c_int) -> c_int {
luaL_optinteger(L, n, d as lua_Integer) as c_int
}
#[inline(always)]
pub unsafe fn luaL_checklong(L: *mut lua_State, n: c_int) -> c_long {
luaL_checkinteger(L, n) as c_long
}
#[inline(always)]
pub unsafe fn luaL_optlong(L: *mut lua_State, n: c_int, d: c_long) -> c_long {
luaL_optinteger(L, n, d as lua_Integer) as c_long
}
#[inline(always)]
pub unsafe fn luaL_typename(L: *mut lua_State, i: c_int) -> *const c_char {
lua::lua_typename(L, lua::lua_type(L, i))
}
#[inline(always)]
pub unsafe fn luaL_dofile(L: *mut lua_State, filename: *const c_char) -> c_int {
let status = luaL_loadfile(L, filename);
if status == 0 {
lua::lua_pcall(L, 0, lua::LUA_MULTRET, 0)
} else {
status
}
}
#[inline(always)]
pub unsafe fn luaL_dostring(L: *mut lua_State, s: *const c_char) -> c_int {
let status = luaL_loadstring(L, s);
if status == 0 {
lua::lua_pcall(L, 0, lua::LUA_MULTRET, 0)
} else {
status
}
}
#[inline(always)]
pub unsafe fn luaL_getmetatable(L: *mut lua_State, n: *const c_char) {
lua::lua_getfield(L, lua::LUA_REGISTRYINDEX, n);
}
#[cfg(any(feature = "lua54", feature = "lua53", feature = "lua52"))]
#[inline(always)]
pub unsafe fn luaL_loadbuffer(
L: *mut lua_State,
s: *const c_char,
sz: usize,
n: *const c_char,
) -> c_int {
luaL_loadbufferx(L, s, sz, n, ptr::null())
}