compiler/rustc_query_impl/src/lib.rs

   1 //! Support for serializing the dep-graph and reloading it.
   2
   3 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
   4 #![feature(in_band_lifetimes)]
   5 #![feature(exhaustive_patterns)]
   6 #![feature(nll)]
   7 #![feature(min_specialization)]
   8 #![feature(crate_visibility_modifier)]
   9 #![feature(once_cell)]
  10 #![feature(rustc_attrs)]
  11 #![feature(never_type)]
  12 #![recursion_limit = "256"]
  13
  14 #[macro_use]
  15 extern crate rustc_middle;
  16 #[macro_use]
  17 extern crate tracing;
  18
  19 use rustc_data_structures::fingerprint::Fingerprint;
  20 use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
  21 use rustc_errors::{DiagnosticBuilder, Handler};
  22 use rustc_hir::def_id::CrateNum;
  23 use rustc_index::vec::IndexVec;
  24 use rustc_middle::dep_graph;
  25 use rustc_middle::ich::StableHashingContext;
  26 use rustc_middle::ty::query::{query_keys, query_storage, query_stored, query_values};
  27 use rustc_middle::ty::query::{Providers, QueryEngine};
  28 use rustc_middle::ty::{self, TyCtxt};
  29 use rustc_serialize::opaque;
  30 use rustc_span::{Span, DUMMY_SP};
  31
  32 #[macro_use]
  33 mod plumbing;
  34 pub use plumbing::QueryCtxt;
  35 use plumbing::QueryStruct;
  36 use rustc_query_system::query::*;
  37
  38 mod stats;
  39 pub use self::stats::print_stats;
  40
  41 mod keys;
  42 use keys::Key;
  43
  44 mod values;
  45 use self::values::Value;
  46
  47 use rustc_query_system::query::QueryAccessors;
  48 pub use rustc_query_system::query::QueryConfig;
  49 pub(crate) use rustc_query_system::query::QueryDescription;
  50
  51 use rustc_middle::ty::query::on_disk_cache;
  52
  53 mod profiling_support;
  54 pub use self::profiling_support::alloc_self_profile_query_strings;
  55
  56 rustc_query_append! { [define_queries!][<'tcx>] }
  57
  58 impl<'tcx> Queries<'tcx> {
  59     // Force codegen in the dyn-trait transformation in this crate.
  60     pub fn as_dyn(&'tcx self) -> &'tcx dyn QueryEngine<'tcx> {
  61         self
  62     }
  63 }