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#![doc(html_root_url = "https://doc.rust-lang.org/nightly/", test(attr(deny(warnings))))]
#![feature(rustc_private, bool_to_option)]
#![feature(box_syntax)]
#![feature(const_fn)]
#![feature(const_transmute)]
#![feature(crate_visibility_modifier)]
#![feature(label_break_value)]
#![feature(nll)]
#![feature(try_trait)]
#![feature(slice_patterns)]
#![feature(unicode_internals)]
#![recursion_limit = "256"]
use ast::AttrId;
pub use errors;
use rustc_data_structures::sync::Lock;
use rustc_index::bit_set::GrowableBitSet;
use syntax_pos::edition::Edition;
#[macro_export]
macro_rules! unwrap_or {
($opt:expr, $default:expr) => {
match $opt {
Some(x) => x,
None => $default,
}
};
}
pub struct Globals {
used_attrs: Lock<GrowableBitSet<AttrId>>,
known_attrs: Lock<GrowableBitSet<AttrId>>,
syntax_pos_globals: syntax_pos::Globals,
}
impl Globals {
fn new(edition: Edition) -> Globals {
Globals {
used_attrs: Lock::new(GrowableBitSet::new_empty()),
known_attrs: Lock::new(GrowableBitSet::new_empty()),
syntax_pos_globals: syntax_pos::Globals::new(edition),
}
}
}
pub fn with_globals<F, R>(edition: Edition, f: F) -> R
where
F: FnOnce() -> R,
{
let globals = Globals::new(edition);
GLOBALS.set(&globals, || syntax_pos::GLOBALS.set(&globals.syntax_pos_globals, f))
}
pub fn with_default_globals<F, R>(f: F) -> R
where
F: FnOnce() -> R,
{
with_globals(edition::DEFAULT_EDITION, f)
}
scoped_tls::scoped_thread_local!(pub static GLOBALS: Globals);
#[macro_use]
pub mod diagnostics {
#[macro_use]
pub mod macros;
}
pub mod util {
pub mod classify;
pub mod comments;
pub mod lev_distance;
pub mod literal;
pub mod map_in_place;
pub mod node_count;
pub mod parser;
}
pub mod ast;
pub mod attr;
pub mod expand;
pub use syntax_pos::source_map;
pub mod entry;
pub mod feature_gate {
mod check;
pub use check::{check_attribute, check_crate, feature_err, feature_err_issue, get_features};
}
pub mod mut_visit;
pub mod ptr;
pub mod show_span;
pub use rustc_session::parse as sess;
pub use syntax_pos::edition;
pub use syntax_pos::symbol;
pub mod token;
pub mod tokenstream;
pub mod visit;
pub mod print {
mod helpers;
pub mod pp;
pub mod pprust;
}
pub mod early_buffered_lints;
pub trait HashStableContext: syntax_pos::HashStableContext {}