114 lines
3.7 KiB
Rust
114 lines
3.7 KiB
Rust
use std::ops::{BitAnd, BitAndAssign, BitOr, BitOrAssign, BitXor, BitXorAssign};
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use std::u32;
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/// Flags describing the set of lua standard libraries to load.
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#[derive(Copy, Clone, Debug, Eq, Ord, PartialEq, PartialOrd)]
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pub struct StdLib(u32);
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impl StdLib {
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/// [`coroutine`](https://www.lua.org/manual/5.4/manual.html#6.2) library
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///
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/// Requires `feature = "lua54/lua53/lua52/luau"`
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#[cfg(any(
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feature = "lua54",
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feature = "lua53",
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feature = "lua52",
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feature = "luau"
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))]
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pub const COROUTINE: StdLib = StdLib(1);
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/// [`table`](https://www.lua.org/manual/5.4/manual.html#6.6) library
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pub const TABLE: StdLib = StdLib(1 << 1);
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/// [`io`](https://www.lua.org/manual/5.4/manual.html#6.8) library
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#[cfg(not(feature = "luau"))]
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#[cfg_attr(docsrs, doc(cfg(not(feature = "luau"))))]
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pub const IO: StdLib = StdLib(1 << 2);
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/// [`os`](https://www.lua.org/manual/5.4/manual.html#6.9) library
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pub const OS: StdLib = StdLib(1 << 3);
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/// [`string`](https://www.lua.org/manual/5.4/manual.html#6.4) library
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pub const STRING: StdLib = StdLib(1 << 4);
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/// [`utf8`](https://www.lua.org/manual/5.4/manual.html#6.5) library
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///
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/// Requires `feature = "lua54/lua53/luau"`
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#[cfg(any(feature = "lua54", feature = "lua53", feature = "luau"))]
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pub const UTF8: StdLib = StdLib(1 << 5);
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/// [`bit`](https://www.lua.org/manual/5.2/manual.html#6.7) library
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///
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/// Requires `feature = "lua52/luajit/luau"`
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#[cfg(any(feature = "lua52", feature = "luajit", feature = "luau", doc))]
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pub const BIT: StdLib = StdLib(1 << 6);
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/// [`math`](https://www.lua.org/manual/5.4/manual.html#6.7) library
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pub const MATH: StdLib = StdLib(1 << 7);
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/// [`package`](https://www.lua.org/manual/5.4/manual.html#6.3) library
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#[cfg(not(feature = "luau"))]
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#[cfg_attr(docsrs, doc(cfg(not(feature = "luau"))))]
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pub const PACKAGE: StdLib = StdLib(1 << 8);
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/// [`jit`](http://luajit.org/ext_jit.html) library
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///
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/// Requires `feature = "luajit"`
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#[cfg(any(feature = "luajit", doc))]
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#[cfg_attr(docsrs, doc(cfg(feature = "luajit")))]
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pub const JIT: StdLib = StdLib(1 << 9);
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/// (**unsafe**) [`ffi`](http://luajit.org/ext_ffi.html) library
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///
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/// Requires `feature = "luajit"`
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#[cfg(any(feature = "luajit", doc))]
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#[cfg_attr(docsrs, doc(cfg(feature = "luajit")))]
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pub const FFI: StdLib = StdLib(1 << 30);
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/// (**unsafe**) [`debug`](https://www.lua.org/manual/5.4/manual.html#6.10) library
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pub const DEBUG: StdLib = StdLib(1 << 31);
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/// No libraries
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pub const NONE: StdLib = StdLib(0);
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/// (**unsafe**) All standard libraries
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pub const ALL: StdLib = StdLib(u32::MAX);
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/// The safe subset of the standard libraries
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#[cfg(not(feature = "luau"))]
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pub const ALL_SAFE: StdLib = StdLib((1 << 30) - 1);
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#[cfg(feature = "luau")]
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pub const ALL_SAFE: StdLib = StdLib(u32::MAX);
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pub fn contains(self, lib: Self) -> bool {
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(self & lib).0 != 0
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}
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}
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impl BitAnd for StdLib {
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type Output = Self;
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fn bitand(self, rhs: Self) -> Self::Output {
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StdLib(self.0 & rhs.0)
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}
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}
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impl BitAndAssign for StdLib {
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fn bitand_assign(&mut self, rhs: Self) {
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*self = StdLib(self.0 & rhs.0)
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}
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}
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impl BitOr for StdLib {
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type Output = Self;
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fn bitor(self, rhs: Self) -> Self::Output {
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StdLib(self.0 | rhs.0)
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}
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}
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impl BitOrAssign for StdLib {
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fn bitor_assign(&mut self, rhs: Self) {
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*self = StdLib(self.0 | rhs.0)
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}
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}
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impl BitXor for StdLib {
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type Output = Self;
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fn bitxor(self, rhs: Self) -> Self::Output {
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StdLib(self.0 ^ rhs.0)
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}
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}
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impl BitXorAssign for StdLib {
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fn bitxor_assign(&mut self, rhs: Self) {
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*self = StdLib(self.0 ^ rhs.0)
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}
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}
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