use std::cell::UnsafeCell;
use std::os::raw::{c_int, c_void};
use std::rc::Rc;
use crate::error::Result;
#[cfg(not(feature = "luau"))]
use crate::hook::Debug;
use crate::state::{ExtraData, Lua, RawLua};
pub(crate) use sync::{ArcReentrantMutexGuard, ReentrantMutex, ReentrantMutexGuard, XRc, XWeak};
#[cfg(all(feature = "async", feature = "send"))]
pub(crate) type BoxFuture<'a, T> = futures_util::future::BoxFuture<'a, T>;
#[cfg(all(feature = "async", not(feature = "send")))]
pub(crate) type BoxFuture<'a, T> = futures_util::future::LocalBoxFuture<'a, T>;
pub use app_data::{AppData, AppDataRef, AppDataRefMut};
pub use either::Either;
pub use registry_key::RegistryKey;
pub(crate) use value_ref::ValueRef;
pub type Integer = ffi::lua_Integer;
pub type Number = ffi::lua_Number;
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct LightUserData(pub *mut c_void);
#[cfg(feature = "send")]
unsafe impl Send for LightUserData {}
#[cfg(feature = "send")]
unsafe impl Sync for LightUserData {}
#[cfg(feature = "send")]
pub(crate) type Callback = Box<dyn Fn(&RawLua, c_int) -> Result<c_int> + Send + 'static>;
#[cfg(not(feature = "send"))]
pub(crate) type Callback = Box<dyn Fn(&RawLua, c_int) -> Result<c_int> + 'static>;
pub(crate) type ScopedCallback<'s> = Box<dyn Fn(&RawLua, c_int) -> Result<c_int> + 's>;
pub(crate) struct Upvalue<T> {
pub(crate) data: T,
pub(crate) extra: XRc<UnsafeCell<ExtraData>>,
}
pub(crate) type CallbackUpvalue = Upvalue<Option<Callback>>;
#[cfg(all(feature = "async", feature = "send"))]
pub(crate) type AsyncCallback =
Box<dyn for<'a> Fn(&'a RawLua, c_int) -> BoxFuture<'a, Result<c_int>> + Send + 'static>;
#[cfg(all(feature = "async", not(feature = "send")))]
pub(crate) type AsyncCallback =
Box<dyn for<'a> Fn(&'a RawLua, c_int) -> BoxFuture<'a, Result<c_int>> + 'static>;
#[cfg(feature = "async")]
pub(crate) type AsyncCallbackUpvalue = Upvalue<AsyncCallback>;
#[cfg(feature = "async")]
pub(crate) type AsyncPollUpvalue = Upvalue<BoxFuture<'static, Result<c_int>>>;
pub enum VmState {
Continue,
Yield,
}
#[cfg(all(feature = "send", not(feature = "luau")))]
pub(crate) type HookCallback = Rc<dyn Fn(&Lua, Debug) -> Result<VmState> + Send>;
#[cfg(all(not(feature = "send"), not(feature = "luau")))]
pub(crate) type HookCallback = Rc<dyn Fn(&Lua, Debug) -> Result<VmState>>;
#[cfg(all(feature = "send", feature = "luau"))]
pub(crate) type InterruptCallback = Rc<dyn Fn(&Lua) -> Result<VmState> + Send>;
#[cfg(all(not(feature = "send"), feature = "luau"))]
pub(crate) type InterruptCallback = Rc<dyn Fn(&Lua) -> Result<VmState>>;
#[cfg(all(feature = "send", feature = "lua54"))]
pub(crate) type WarnCallback = XRc<dyn Fn(&Lua, &str, bool) -> Result<()> + Send>;
#[cfg(all(not(feature = "send"), feature = "lua54"))]
pub(crate) type WarnCallback = XRc<dyn Fn(&Lua, &str, bool) -> Result<()>>;
#[cfg(feature = "send")]
pub trait MaybeSend: Send {}
#[cfg(feature = "send")]
impl<T: Send> MaybeSend for T {}
#[cfg(not(feature = "send"))]
pub trait MaybeSend {}
#[cfg(not(feature = "send"))]
impl<T> MaybeSend for T {}
pub(crate) struct DestructedUserdata;
pub(crate) trait LuaType {
const TYPE_ID: c_int;
}
impl LuaType for bool {
const TYPE_ID: c_int = ffi::LUA_TBOOLEAN;
}
impl LuaType for Number {
const TYPE_ID: c_int = ffi::LUA_TNUMBER;
}
impl LuaType for LightUserData {
const TYPE_ID: c_int = ffi::LUA_TLIGHTUSERDATA;
}
mod app_data;
mod registry_key;
mod sync;
mod value_ref;
#[cfg(test)]
mod assertions {
use super::*;
#[cfg(not(feature = "send"))]
static_assertions::assert_not_impl_any!(ValueRef: Send);
#[cfg(feature = "send")]
static_assertions::assert_impl_all!(ValueRef: Send, Sync);
}