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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_middle;
use crate::plumbing::{encode_all_query_results, try_mark_green};
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, QuerySystemFns};
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 crate::plumbing::QueryCtxt;
pub use rustc_query_system::query::QueryConfig;
use rustc_query_system::query::*;
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! }
pub fn query_system_fns<'tcx>(
local_providers: Providers,
extern_providers: ExternProviders,
) -> QuerySystemFns<'tcx> {
QuerySystemFns {
engine: engine(),
local_providers,
extern_providers,
query_structs: make_dep_kind_array!(query_structs).to_vec(),
encode_query_results: encode_all_query_results,
try_mark_green: try_mark_green,
}
}
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