//! The WIP stable interface to rustc internals.
//!
//! For more information see <https://github.com/rust-lang/project-stable-mir>
//!
//! # Note
//!
//! This API is still completely unstable and subject to change.

#![doc(
    html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/",
    test(attr(allow(unused_variables), deny(warnings)))
)]
#![cfg_attr(not(feature = "default"), feature(rustc_private))]
#![feature(ptr_metadata)]
#![feature(type_alias_impl_trait)] // Used to define opaque types.
#![feature(intra_doc_pointers)]

// Declare extern rustc_* crates to enable building this crate separately from the compiler.
#[cfg(not(feature = "default"))]
extern crate rustc_hir;
#[cfg(not(feature = "default"))]
extern crate rustc_middle;
#[cfg(not(feature = "default"))]
extern crate rustc_span;
#[cfg(not(feature = "default"))]
extern crate rustc_target;

pub mod rustc_internal;
pub mod stable_mir;

// Make this module private for now since external users should not call these directly.
mod rustc_smir;

#[macro_use]
extern crate scoped_tls;