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//! Support for serializing the dep-graph and reloading it.
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
// this shouldn't be necessary, but the check for `&mut _` is too naive and denies returning a function pointer that takes a mut ref
#![feature(const_mut_refs)]
#![feature(min_specialization)]
#![feature(never_type)]
#![feature(rustc_attrs)]
#![recursion_limit = "256"]
#![allow(rustc::potential_query_instability)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#[macro_use]
extern crate rustc_macros;
#[macro_use]
extern crate rustc_middle;
use rustc_data_structures::sync::AtomicU64;
use rustc_middle::arena::Arena;
use rustc_middle::dep_graph::{self, DepKind, DepKindStruct};
use rustc_middle::query::erase::{erase, restore, Erase};
use rustc_middle::query::AsLocalKey;
use rustc_middle::ty::query::{
query_keys, query_provided, query_provided_to_value, query_storage, query_values,
};
use rustc_middle::ty::query::{ExternProviders, Providers, QueryEngine};
use rustc_middle::ty::TyCtxt;
use rustc_query_system::dep_graph::SerializedDepNodeIndex;
use rustc_query_system::Value;
use rustc_span::Span;
#[macro_use]
mod plumbing;
pub use plumbing::QueryCtxt;
use rustc_query_system::query::*;
#[cfg(parallel_compiler)]
pub use rustc_query_system::query::{deadlock, QueryContext};
pub use rustc_query_system::query::QueryConfig;
mod on_disk_cache;
pub use on_disk_cache::OnDiskCache;
mod profiling_support;
pub use self::profiling_support::alloc_self_profile_query_strings;
/// This is implemented per query and restoring query values from their erased state.
trait QueryConfigRestored<'tcx>: QueryConfig<QueryCtxt<'tcx>> + Default {
type RestoredValue;
fn restore(value: <Self as QueryConfig<QueryCtxt<'tcx>>>::Value) -> Self::RestoredValue;
}
rustc_query_append! { define_queries! }
impl<'tcx> Queries<'tcx> {
// Force codegen in the dyn-trait transformation in this crate.
pub fn as_dyn(&'tcx self) -> &'tcx dyn QueryEngine<'tcx> {
self
}
}
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