630 lines
25 KiB
Rust
630 lines
25 KiB
Rust
use std::any::TypeId;
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use std::cell::{Ref, RefCell, RefMut};
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use std::marker::PhantomData;
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use std::sync::{Arc, Mutex, RwLock};
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use crate::error::{Error, Result};
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use crate::ffi;
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use crate::lua::Lua;
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use crate::types::{Callback, MaybeSend};
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use crate::userdata::{
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AnyUserData, MetaMethod, UserData, UserDataCell, UserDataFields, UserDataMethods,
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};
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use crate::util::{check_stack, get_userdata, StackGuard};
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use crate::value::{FromLua, FromLuaMulti, ToLua, ToLuaMulti, Value};
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#[cfg(not(feature = "send"))]
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use std::rc::Rc;
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#[cfg(feature = "async")]
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use {
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crate::types::AsyncCallback,
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futures_core::future::Future,
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futures_util::future::{self, TryFutureExt},
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};
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pub(crate) struct StaticUserDataMethods<'lua, T: 'static + UserData> {
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pub(crate) methods: Vec<(Vec<u8>, Callback<'lua, 'static>)>,
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#[cfg(feature = "async")]
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pub(crate) async_methods: Vec<(Vec<u8>, AsyncCallback<'lua, 'static>)>,
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pub(crate) meta_methods: Vec<(MetaMethod, Callback<'lua, 'static>)>,
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#[cfg(feature = "async")]
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pub(crate) async_meta_methods: Vec<(MetaMethod, AsyncCallback<'lua, 'static>)>,
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_type: PhantomData<T>,
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}
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impl<'lua, T: 'static + UserData> Default for StaticUserDataMethods<'lua, T> {
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fn default() -> StaticUserDataMethods<'lua, T> {
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StaticUserDataMethods {
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methods: Vec::new(),
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#[cfg(feature = "async")]
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async_methods: Vec::new(),
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meta_methods: Vec::new(),
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#[cfg(feature = "async")]
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async_meta_methods: Vec::new(),
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_type: PhantomData,
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}
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}
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}
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impl<'lua, T: 'static + UserData> UserDataMethods<'lua, T> for StaticUserDataMethods<'lua, T> {
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fn add_method<S, A, R, M>(&mut self, name: &S, method: M)
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where
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S: AsRef<[u8]> + ?Sized,
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A: FromLuaMulti<'lua>,
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R: ToLuaMulti<'lua>,
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M: 'static + MaybeSend + Fn(&'lua Lua, &T, A) -> Result<R>,
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{
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self.methods
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.push((name.as_ref().to_vec(), Self::box_method(method)));
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}
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fn add_method_mut<S, A, R, M>(&mut self, name: &S, method: M)
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where
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S: AsRef<[u8]> + ?Sized,
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A: FromLuaMulti<'lua>,
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R: ToLuaMulti<'lua>,
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M: 'static + MaybeSend + FnMut(&'lua Lua, &mut T, A) -> Result<R>,
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{
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self.methods
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.push((name.as_ref().to_vec(), Self::box_method_mut(method)));
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}
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#[cfg(feature = "async")]
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fn add_async_method<S, A, R, M, MR>(&mut self, name: &S, method: M)
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where
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T: Clone,
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S: AsRef<[u8]> + ?Sized,
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A: FromLuaMulti<'lua>,
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R: ToLuaMulti<'lua>,
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M: 'static + MaybeSend + Fn(&'lua Lua, T, A) -> MR,
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MR: 'lua + Future<Output = Result<R>>,
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{
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self.async_methods
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.push((name.as_ref().to_vec(), Self::box_async_method(method)));
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}
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fn add_function<S, A, R, F>(&mut self, name: &S, function: F)
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where
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S: AsRef<[u8]> + ?Sized,
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A: FromLuaMulti<'lua>,
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R: ToLuaMulti<'lua>,
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F: 'static + MaybeSend + Fn(&'lua Lua, A) -> Result<R>,
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{
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self.methods
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.push((name.as_ref().to_vec(), Self::box_function(function)));
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}
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fn add_function_mut<S, A, R, F>(&mut self, name: &S, function: F)
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where
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S: AsRef<[u8]> + ?Sized,
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A: FromLuaMulti<'lua>,
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R: ToLuaMulti<'lua>,
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F: 'static + MaybeSend + FnMut(&'lua Lua, A) -> Result<R>,
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{
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self.methods
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.push((name.as_ref().to_vec(), Self::box_function_mut(function)));
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}
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#[cfg(feature = "async")]
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fn add_async_function<S, A, R, F, FR>(&mut self, name: &S, function: F)
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where
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S: AsRef<[u8]> + ?Sized,
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A: FromLuaMulti<'lua>,
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R: ToLuaMulti<'lua>,
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F: 'static + MaybeSend + Fn(&'lua Lua, A) -> FR,
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FR: 'lua + Future<Output = Result<R>>,
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{
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self.async_methods
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.push((name.as_ref().to_vec(), Self::box_async_function(function)));
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}
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fn add_meta_method<S, A, R, M>(&mut self, meta: S, method: M)
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where
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S: Into<MetaMethod>,
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A: FromLuaMulti<'lua>,
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R: ToLuaMulti<'lua>,
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M: 'static + MaybeSend + Fn(&'lua Lua, &T, A) -> Result<R>,
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{
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self.meta_methods
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.push((meta.into(), Self::box_method(method)));
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}
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fn add_meta_method_mut<S, A, R, M>(&mut self, meta: S, method: M)
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where
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S: Into<MetaMethod>,
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A: FromLuaMulti<'lua>,
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R: ToLuaMulti<'lua>,
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M: 'static + MaybeSend + FnMut(&'lua Lua, &mut T, A) -> Result<R>,
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{
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self.meta_methods
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.push((meta.into(), Self::box_method_mut(method)));
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}
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#[cfg(all(feature = "async", not(any(feature = "lua51", feature = "luau"))))]
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fn add_async_meta_method<S, A, R, M, MR>(&mut self, meta: S, method: M)
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where
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T: Clone,
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S: Into<MetaMethod>,
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A: FromLuaMulti<'lua>,
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R: ToLuaMulti<'lua>,
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M: 'static + MaybeSend + Fn(&'lua Lua, T, A) -> MR,
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MR: 'lua + Future<Output = Result<R>>,
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{
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self.async_meta_methods
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.push((meta.into(), Self::box_async_method(method)));
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}
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fn add_meta_function<S, A, R, F>(&mut self, meta: S, function: F)
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where
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S: Into<MetaMethod>,
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A: FromLuaMulti<'lua>,
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R: ToLuaMulti<'lua>,
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F: 'static + MaybeSend + Fn(&'lua Lua, A) -> Result<R>,
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{
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self.meta_methods
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.push((meta.into(), Self::box_function(function)));
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}
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fn add_meta_function_mut<S, A, R, F>(&mut self, meta: S, function: F)
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where
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S: Into<MetaMethod>,
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A: FromLuaMulti<'lua>,
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R: ToLuaMulti<'lua>,
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F: 'static + MaybeSend + FnMut(&'lua Lua, A) -> Result<R>,
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{
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self.meta_methods
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.push((meta.into(), Self::box_function_mut(function)));
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}
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#[cfg(all(feature = "async", not(any(feature = "lua51", feature = "luau"))))]
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fn add_async_meta_function<S, A, R, F, FR>(&mut self, meta: S, function: F)
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where
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S: Into<MetaMethod>,
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A: FromLuaMulti<'lua>,
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R: ToLuaMulti<'lua>,
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F: 'static + MaybeSend + Fn(&'lua Lua, A) -> FR,
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FR: 'lua + Future<Output = Result<R>>,
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{
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self.async_meta_methods
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.push((meta.into(), Self::box_async_function(function)));
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}
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// Below are internal methods used in generated code
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fn add_callback(&mut self, name: Vec<u8>, callback: Callback<'lua, 'static>) {
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self.methods.push((name, callback));
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}
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#[cfg(feature = "async")]
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fn add_async_callback(&mut self, name: Vec<u8>, callback: AsyncCallback<'lua, 'static>) {
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self.async_methods.push((name, callback));
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}
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fn add_meta_callback(&mut self, meta: MetaMethod, callback: Callback<'lua, 'static>) {
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self.meta_methods.push((meta, callback));
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}
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#[cfg(feature = "async")]
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fn add_async_meta_callback(
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&mut self,
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meta: MetaMethod,
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callback: AsyncCallback<'lua, 'static>,
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) {
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self.async_meta_methods.push((meta, callback))
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}
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}
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impl<'lua, T: 'static + UserData> StaticUserDataMethods<'lua, T> {
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fn box_method<A, R, M>(method: M) -> Callback<'lua, 'static>
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where
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A: FromLuaMulti<'lua>,
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R: ToLuaMulti<'lua>,
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M: 'static + MaybeSend + Fn(&'lua Lua, &T, A) -> Result<R>,
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{
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Box::new(move |lua, mut args| {
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if let Some(front) = args.pop_front() {
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let userdata = AnyUserData::from_lua(front, lua)?;
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unsafe {
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let _sg = StackGuard::new(lua.state);
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check_stack(lua.state, 2)?;
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let type_id = lua.push_userdata_ref(&userdata.0)?;
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match type_id {
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Some(id) if id == TypeId::of::<T>() => {
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let ud = get_userdata_ref::<T>(lua.state)?;
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method(lua, &ud, A::from_lua_multi(args, lua)?)?.to_lua_multi(lua)
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}
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#[cfg(not(feature = "send"))]
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Some(id) if id == TypeId::of::<Rc<RefCell<T>>>() => {
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let ud = get_userdata_ref::<Rc<RefCell<T>>>(lua.state)?;
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let ud = ud.try_borrow().map_err(|_| Error::UserDataBorrowError)?;
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method(lua, &ud, A::from_lua_multi(args, lua)?)?.to_lua_multi(lua)
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}
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Some(id) if id == TypeId::of::<Arc<Mutex<T>>>() => {
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let ud = get_userdata_ref::<Arc<Mutex<T>>>(lua.state)?;
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let ud = ud.try_lock().map_err(|_| Error::UserDataBorrowError)?;
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method(lua, &ud, A::from_lua_multi(args, lua)?)?.to_lua_multi(lua)
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}
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#[cfg(feature = "parking_lot")]
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Some(id) if id == TypeId::of::<Arc<parking_lot::Mutex<T>>>() => {
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let ud = get_userdata_ref::<Arc<parking_lot::Mutex<T>>>(lua.state)?;
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let ud = ud.try_lock().ok_or(Error::UserDataBorrowError)?;
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method(lua, &ud, A::from_lua_multi(args, lua)?)?.to_lua_multi(lua)
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}
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Some(id) if id == TypeId::of::<Arc<RwLock<T>>>() => {
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let ud = get_userdata_ref::<Arc<RwLock<T>>>(lua.state)?;
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let ud = ud.try_read().map_err(|_| Error::UserDataBorrowError)?;
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method(lua, &ud, A::from_lua_multi(args, lua)?)?.to_lua_multi(lua)
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}
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#[cfg(feature = "parking_lot")]
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Some(id) if id == TypeId::of::<Arc<parking_lot::RwLock<T>>>() => {
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let ud = get_userdata_ref::<Arc<parking_lot::RwLock<T>>>(lua.state)?;
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let ud = ud.try_read().ok_or(Error::UserDataBorrowError)?;
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method(lua, &ud, A::from_lua_multi(args, lua)?)?.to_lua_multi(lua)
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}
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_ => Err(Error::UserDataTypeMismatch),
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}
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}
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} else {
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Err(Error::FromLuaConversionError {
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from: "missing argument",
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to: "userdata",
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message: None,
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})
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}
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})
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}
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fn box_method_mut<A, R, M>(method: M) -> Callback<'lua, 'static>
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where
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A: FromLuaMulti<'lua>,
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R: ToLuaMulti<'lua>,
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M: 'static + MaybeSend + FnMut(&'lua Lua, &mut T, A) -> Result<R>,
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{
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let method = RefCell::new(method);
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Box::new(move |lua, mut args| {
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if let Some(front) = args.pop_front() {
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let userdata = AnyUserData::from_lua(front, lua)?;
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let mut method = method
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.try_borrow_mut()
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.map_err(|_| Error::RecursiveMutCallback)?;
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unsafe {
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let _sg = StackGuard::new(lua.state);
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check_stack(lua.state, 2)?;
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let type_id = lua.push_userdata_ref(&userdata.0)?;
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match type_id {
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Some(id) if id == TypeId::of::<T>() => {
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let mut ud = get_userdata_mut::<T>(lua.state)?;
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method(lua, &mut ud, A::from_lua_multi(args, lua)?)?.to_lua_multi(lua)
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}
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#[cfg(not(feature = "send"))]
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Some(id) if id == TypeId::of::<Rc<RefCell<T>>>() => {
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let ud = get_userdata_mut::<Rc<RefCell<T>>>(lua.state)?;
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let mut ud = ud
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.try_borrow_mut()
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.map_err(|_| Error::UserDataBorrowMutError)?;
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method(lua, &mut ud, A::from_lua_multi(args, lua)?)?.to_lua_multi(lua)
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}
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Some(id) if id == TypeId::of::<Arc<Mutex<T>>>() => {
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let ud = get_userdata_mut::<Arc<Mutex<T>>>(lua.state)?;
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let mut ud =
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ud.try_lock().map_err(|_| Error::UserDataBorrowMutError)?;
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method(lua, &mut ud, A::from_lua_multi(args, lua)?)?.to_lua_multi(lua)
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}
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#[cfg(feature = "parking_lot")]
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Some(id) if id == TypeId::of::<Arc<parking_lot::Mutex<T>>>() => {
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let ud = get_userdata_mut::<Arc<parking_lot::Mutex<T>>>(lua.state)?;
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let mut ud = ud.try_lock().ok_or(Error::UserDataBorrowMutError)?;
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method(lua, &mut ud, A::from_lua_multi(args, lua)?)?.to_lua_multi(lua)
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}
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Some(id) if id == TypeId::of::<Arc<RwLock<T>>>() => {
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let ud = get_userdata_mut::<Arc<RwLock<T>>>(lua.state)?;
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let mut ud =
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ud.try_write().map_err(|_| Error::UserDataBorrowMutError)?;
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method(lua, &mut ud, A::from_lua_multi(args, lua)?)?.to_lua_multi(lua)
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}
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#[cfg(feature = "parking_lot")]
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Some(id) if id == TypeId::of::<Arc<parking_lot::RwLock<T>>>() => {
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let ud = get_userdata_mut::<Arc<parking_lot::RwLock<T>>>(lua.state)?;
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let mut ud = ud.try_write().ok_or(Error::UserDataBorrowMutError)?;
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method(lua, &mut ud, A::from_lua_multi(args, lua)?)?.to_lua_multi(lua)
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}
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_ => Err(Error::UserDataTypeMismatch),
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}
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}
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} else {
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Err(Error::FromLuaConversionError {
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from: "missing argument",
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to: "userdata",
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message: None,
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})
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}
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})
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}
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#[cfg(feature = "async")]
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fn box_async_method<A, R, M, MR>(method: M) -> AsyncCallback<'lua, 'static>
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where
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T: Clone,
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A: FromLuaMulti<'lua>,
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R: ToLuaMulti<'lua>,
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M: 'static + MaybeSend + Fn(&'lua Lua, T, A) -> MR,
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MR: 'lua + Future<Output = Result<R>>,
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{
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Box::new(move |lua, mut args| {
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let fut_res = || {
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if let Some(front) = args.pop_front() {
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let userdata = AnyUserData::from_lua(front, lua)?;
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unsafe {
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let _sg = StackGuard::new(lua.state);
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check_stack(lua.state, 2)?;
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let type_id = lua.push_userdata_ref(&userdata.0)?;
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match type_id {
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Some(id) if id == TypeId::of::<T>() => {
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let ud = get_userdata_ref::<T>(lua.state)?;
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Ok(method(lua, ud.clone(), A::from_lua_multi(args, lua)?))
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}
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#[cfg(not(feature = "send"))]
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Some(id) if id == TypeId::of::<Rc<RefCell<T>>>() => {
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let ud = get_userdata_ref::<Rc<RefCell<T>>>(lua.state)?;
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let ud = ud.try_borrow().map_err(|_| Error::UserDataBorrowError)?;
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Ok(method(lua, ud.clone(), A::from_lua_multi(args, lua)?))
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}
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Some(id) if id == TypeId::of::<Arc<Mutex<T>>>() => {
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let ud = get_userdata_ref::<Arc<Mutex<T>>>(lua.state)?;
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let ud = ud.try_lock().map_err(|_| Error::UserDataBorrowError)?;
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Ok(method(lua, ud.clone(), A::from_lua_multi(args, lua)?))
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}
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#[cfg(feature = "parking_lot")]
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Some(id) if id == TypeId::of::<Arc<parking_lot::Mutex<T>>>() => {
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let ud = get_userdata_ref::<Arc<parking_lot::Mutex<T>>>(lua.state)?;
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let ud = ud.try_lock().ok_or(Error::UserDataBorrowError)?;
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Ok(method(lua, ud.clone(), A::from_lua_multi(args, lua)?))
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}
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Some(id) if id == TypeId::of::<Arc<RwLock<T>>>() => {
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let ud = get_userdata_ref::<Arc<RwLock<T>>>(lua.state)?;
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let ud = ud.try_read().map_err(|_| Error::UserDataBorrowError)?;
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Ok(method(lua, ud.clone(), A::from_lua_multi(args, lua)?))
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}
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#[cfg(feature = "parking_lot")]
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Some(id) if id == TypeId::of::<Arc<parking_lot::RwLock<T>>>() => {
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let ud =
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get_userdata_ref::<Arc<parking_lot::RwLock<T>>>(lua.state)?;
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let ud = ud.try_read().ok_or(Error::UserDataBorrowError)?;
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Ok(method(lua, ud.clone(), A::from_lua_multi(args, lua)?))
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}
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_ => Err(Error::UserDataTypeMismatch),
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}
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}
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} else {
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Err(Error::FromLuaConversionError {
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from: "missing argument",
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to: "userdata",
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message: None,
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})
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}
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};
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match fut_res() {
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Ok(fut) => Box::pin(fut.and_then(move |ret| future::ready(ret.to_lua_multi(lua)))),
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Err(e) => Box::pin(future::err(e)),
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}
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})
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}
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fn box_function<A, R, F>(function: F) -> Callback<'lua, 'static>
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|
where
|
|
A: FromLuaMulti<'lua>,
|
|
R: ToLuaMulti<'lua>,
|
|
F: 'static + MaybeSend + Fn(&'lua Lua, A) -> Result<R>,
|
|
{
|
|
Box::new(move |lua, args| function(lua, A::from_lua_multi(args, lua)?)?.to_lua_multi(lua))
|
|
}
|
|
|
|
fn box_function_mut<A, R, F>(function: F) -> Callback<'lua, 'static>
|
|
where
|
|
A: FromLuaMulti<'lua>,
|
|
R: ToLuaMulti<'lua>,
|
|
F: 'static + MaybeSend + FnMut(&'lua Lua, A) -> Result<R>,
|
|
{
|
|
let function = RefCell::new(function);
|
|
Box::new(move |lua, args| {
|
|
let function = &mut *function
|
|
.try_borrow_mut()
|
|
.map_err(|_| Error::RecursiveMutCallback)?;
|
|
function(lua, A::from_lua_multi(args, lua)?)?.to_lua_multi(lua)
|
|
})
|
|
}
|
|
|
|
#[cfg(feature = "async")]
|
|
fn box_async_function<A, R, F, FR>(function: F) -> AsyncCallback<'lua, 'static>
|
|
where
|
|
A: FromLuaMulti<'lua>,
|
|
R: ToLuaMulti<'lua>,
|
|
F: 'static + MaybeSend + Fn(&'lua Lua, A) -> FR,
|
|
FR: 'lua + Future<Output = Result<R>>,
|
|
{
|
|
Box::new(move |lua, args| {
|
|
let args = match A::from_lua_multi(args, lua) {
|
|
Ok(args) => args,
|
|
Err(e) => return Box::pin(future::err(e)),
|
|
};
|
|
Box::pin(function(lua, args).and_then(move |ret| future::ready(ret.to_lua_multi(lua))))
|
|
})
|
|
}
|
|
}
|
|
|
|
pub(crate) struct StaticUserDataFields<'lua, T: 'static + UserData> {
|
|
pub(crate) field_getters: Vec<(Vec<u8>, Callback<'lua, 'static>)>,
|
|
pub(crate) field_setters: Vec<(Vec<u8>, Callback<'lua, 'static>)>,
|
|
#[allow(clippy::type_complexity)]
|
|
pub(crate) meta_fields: Vec<(
|
|
MetaMethod,
|
|
Box<dyn Fn(&'lua Lua) -> Result<Value<'lua>> + 'static>,
|
|
)>,
|
|
_type: PhantomData<T>,
|
|
}
|
|
|
|
impl<'lua, T: 'static + UserData> Default for StaticUserDataFields<'lua, T> {
|
|
fn default() -> StaticUserDataFields<'lua, T> {
|
|
StaticUserDataFields {
|
|
field_getters: Vec::new(),
|
|
field_setters: Vec::new(),
|
|
meta_fields: Vec::new(),
|
|
_type: PhantomData,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<'lua, T: 'static + UserData> UserDataFields<'lua, T> for StaticUserDataFields<'lua, T> {
|
|
fn add_field_method_get<S, R, M>(&mut self, name: &S, method: M)
|
|
where
|
|
S: AsRef<[u8]> + ?Sized,
|
|
R: ToLua<'lua>,
|
|
M: 'static + MaybeSend + Fn(&'lua Lua, &T) -> Result<R>,
|
|
{
|
|
self.field_getters.push((
|
|
name.as_ref().to_vec(),
|
|
StaticUserDataMethods::box_method(move |lua, data, ()| method(lua, data)),
|
|
));
|
|
}
|
|
|
|
fn add_field_method_set<S, A, M>(&mut self, name: &S, method: M)
|
|
where
|
|
S: AsRef<[u8]> + ?Sized,
|
|
A: FromLua<'lua>,
|
|
M: 'static + MaybeSend + FnMut(&'lua Lua, &mut T, A) -> Result<()>,
|
|
{
|
|
self.field_setters.push((
|
|
name.as_ref().to_vec(),
|
|
StaticUserDataMethods::box_method_mut(method),
|
|
));
|
|
}
|
|
|
|
fn add_field_function_get<S, R, F>(&mut self, name: &S, function: F)
|
|
where
|
|
S: AsRef<[u8]> + ?Sized,
|
|
R: ToLua<'lua>,
|
|
F: 'static + MaybeSend + Fn(&'lua Lua, AnyUserData<'lua>) -> Result<R>,
|
|
{
|
|
self.field_getters.push((
|
|
name.as_ref().to_vec(),
|
|
StaticUserDataMethods::<T>::box_function(function),
|
|
));
|
|
}
|
|
|
|
fn add_field_function_set<S, A, F>(&mut self, name: &S, mut function: F)
|
|
where
|
|
S: AsRef<[u8]> + ?Sized,
|
|
A: FromLua<'lua>,
|
|
F: 'static + MaybeSend + FnMut(&'lua Lua, AnyUserData<'lua>, A) -> Result<()>,
|
|
{
|
|
self.field_setters.push((
|
|
name.as_ref().to_vec(),
|
|
StaticUserDataMethods::<T>::box_function_mut(move |lua, (data, val)| {
|
|
function(lua, data, val)
|
|
}),
|
|
));
|
|
}
|
|
|
|
fn add_meta_field_with<S, R, F>(&mut self, meta: S, f: F)
|
|
where
|
|
S: Into<MetaMethod>,
|
|
R: ToLua<'lua>,
|
|
F: 'static + MaybeSend + Fn(&'lua Lua) -> Result<R>,
|
|
{
|
|
let meta = meta.into();
|
|
self.meta_fields.push((
|
|
meta.clone(),
|
|
Box::new(move |lua| {
|
|
let value = f(lua)?.to_lua(lua)?;
|
|
if meta == MetaMethod::Index || meta == MetaMethod::NewIndex {
|
|
match value {
|
|
Value::Nil | Value::Table(_) | Value::Function(_) => {}
|
|
_ => {
|
|
return Err(Error::MetaMethodTypeError {
|
|
method: meta.to_string(),
|
|
type_name: value.type_name(),
|
|
message: Some("expected nil, table or function".to_string()),
|
|
})
|
|
}
|
|
}
|
|
}
|
|
Ok(value)
|
|
}),
|
|
));
|
|
}
|
|
|
|
// Below are internal methods
|
|
|
|
fn add_field_getter(&mut self, name: Vec<u8>, callback: Callback<'lua, 'static>) {
|
|
self.field_getters.push((name, callback));
|
|
}
|
|
|
|
fn add_field_setter(&mut self, name: Vec<u8>, callback: Callback<'lua, 'static>) {
|
|
self.field_setters.push((name, callback));
|
|
}
|
|
}
|
|
|
|
#[inline]
|
|
unsafe fn get_userdata_ref<'a, T>(state: *mut ffi::lua_State) -> Result<Ref<'a, T>> {
|
|
(*get_userdata::<UserDataCell<T>>(state, -1)).try_borrow()
|
|
}
|
|
|
|
#[inline]
|
|
unsafe fn get_userdata_mut<'a, T>(state: *mut ffi::lua_State) -> Result<RefMut<'a, T>> {
|
|
(*get_userdata::<UserDataCell<T>>(state, -1)).try_borrow_mut()
|
|
}
|
|
|
|
macro_rules! lua_userdata_impl {
|
|
($type:ty) => {
|
|
impl<T: 'static + UserData> UserData for $type {
|
|
fn add_fields<'lua, F: UserDataFields<'lua, Self>>(fields: &mut F) {
|
|
let mut orig_fields = StaticUserDataFields::default();
|
|
T::add_fields(&mut orig_fields);
|
|
for (name, callback) in orig_fields.field_getters {
|
|
fields.add_field_getter(name, callback);
|
|
}
|
|
for (name, callback) in orig_fields.field_setters {
|
|
fields.add_field_setter(name, callback);
|
|
}
|
|
}
|
|
|
|
fn add_methods<'lua, M: UserDataMethods<'lua, Self>>(methods: &mut M) {
|
|
let mut orig_methods = StaticUserDataMethods::default();
|
|
T::add_methods(&mut orig_methods);
|
|
for (name, callback) in orig_methods.methods {
|
|
methods.add_callback(name, callback);
|
|
}
|
|
#[cfg(feature = "async")]
|
|
for (name, callback) in orig_methods.async_methods {
|
|
methods.add_async_callback(name, callback);
|
|
}
|
|
for (meta, callback) in orig_methods.meta_methods {
|
|
methods.add_meta_callback(meta, callback);
|
|
}
|
|
#[cfg(feature = "async")]
|
|
for (meta, callback) in orig_methods.async_meta_methods {
|
|
methods.add_async_meta_callback(meta, callback);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
}
|
|
|
|
#[cfg(not(feature = "send"))]
|
|
lua_userdata_impl!(Rc<RefCell<T>>);
|
|
lua_userdata_impl!(Arc<Mutex<T>>);
|
|
lua_userdata_impl!(Arc<RwLock<T>>);
|
|
#[cfg(feature = "parking_lot")]
|
|
lua_userdata_impl!(Arc<parking_lot::Mutex<T>>);
|
|
#[cfg(feature = "parking_lot")]
|
|
lua_userdata_impl!(Arc<parking_lot::RwLock<T>>);
|
|
|
|
// A special proxy object for UserData
|
|
pub(crate) struct UserDataProxy<T>(pub(crate) PhantomData<T>);
|
|
|
|
lua_userdata_impl!(UserDataProxy<T>);
|