src/librustc/ty/maps.rs

   1 // Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 use dep_graph::{DepNode, DepTrackingMapConfig};
  12 use hir::def_id::DefId;
  13 use mir;
  14 use ty::{self, Ty};
  15
  16 use std::cell::RefCell;
  17 use std::marker::PhantomData;
  18 use std::rc::Rc;
  19 use syntax::{attr, ast};
  20
  21 macro_rules! dep_map_ty {
  22     ($ty_name:ident : $node_name:ident ($key:ty) -> $value:ty) => {
  23         pub struct $ty_name<'tcx> {
  24             data: PhantomData<&'tcx ()>
  25         }
  26
  27         impl<'tcx> DepTrackingMapConfig for $ty_name<'tcx> {
  28             type Key = $key;
  29             type Value = $value;
  30             fn to_dep_node(key: &$key) -> DepNode<DefId> { DepNode::$node_name(*key) }
  31         }
  32     }
  33 }
  34
  35 dep_map_ty! { ImplOrTraitItems: ImplOrTraitItems(DefId) -> ty::ImplOrTraitItem<'tcx> }
  36 dep_map_ty! { Tcache: ItemSignature(DefId) -> Ty<'tcx> }
  37 dep_map_ty! { Generics: ItemSignature(DefId) -> &'tcx ty::Generics<'tcx> }
  38 dep_map_ty! { Predicates: ItemSignature(DefId) -> ty::GenericPredicates<'tcx> }
  39 dep_map_ty! { SuperPredicates: ItemSignature(DefId) -> ty::GenericPredicates<'tcx> }
  40 dep_map_ty! { ImplOrTraitItemDefIds: ImplOrTraitItemDefIds(DefId) -> Rc<Vec<DefId>> }
  41 dep_map_ty! { ImplTraitRefs: ItemSignature(DefId) -> Option<ty::TraitRef<'tcx>> }
  42 dep_map_ty! { TraitDefs: ItemSignature(DefId) -> &'tcx ty::TraitDef<'tcx> }
  43 dep_map_ty! { AdtDefs: ItemSignature(DefId) -> ty::AdtDefMaster<'tcx> }
  44 dep_map_ty! { ItemVariances: ItemSignature(DefId) -> Rc<Vec<ty::Variance>> }
  45 dep_map_ty! { InherentImpls: InherentImpls(DefId) -> Vec<DefId> }
  46 dep_map_ty! { TraitItems: TraitItems(DefId) -> Rc<Vec<ty::ImplOrTraitItem<'tcx>>> }
  47 dep_map_ty! { ReprHints: ReprHints(DefId) -> Rc<Vec<attr::ReprAttr>> }
  48 dep_map_ty! { InlinedClosures: Hir(DefId) -> ast::NodeId }
  49 dep_map_ty! { Mir: Mir(DefId) -> &'tcx RefCell<mir::Mir<'tcx>> }