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 ty;
  14 use std::marker::PhantomData;
  15 use std::rc::Rc;
  16 use syntax::{attr, ast};
  17
  18 macro_rules! dep_map_ty {
  19     ($ty_name:ident : $node_name:ident ($key:ty) -> $value:ty) => {
  20         pub struct $ty_name<'tcx> {
  21             data: PhantomData<&'tcx ()>
  22         }
  23
  24         impl<'tcx> DepTrackingMapConfig for $ty_name<'tcx> {
  25             type Key = $key;
  26             type Value = $value;
  27             fn to_dep_node(key: &$key) -> DepNode<DefId> { DepNode::$node_name(*key) }
  28         }
  29     }
  30 }
  31
  32 dep_map_ty! { ImplOrTraitItems: ImplOrTraitItems(DefId) -> ty::ImplOrTraitItem<'tcx> }
  33 dep_map_ty! { Tcache: ItemSignature(DefId) -> ty::TypeScheme<'tcx> }
  34 dep_map_ty! { Predicates: ItemSignature(DefId) -> ty::GenericPredicates<'tcx> }
  35 dep_map_ty! { SuperPredicates: ItemSignature(DefId) -> ty::GenericPredicates<'tcx> }
  36 dep_map_ty! { TraitItemDefIds: TraitItemDefIds(DefId) -> Rc<Vec<ty::ImplOrTraitItemId>> }
  37 dep_map_ty! { ImplTraitRefs: ItemSignature(DefId) -> Option<ty::TraitRef<'tcx>> }
  38 dep_map_ty! { TraitDefs: ItemSignature(DefId) -> &'tcx ty::TraitDef<'tcx> }
  39 dep_map_ty! { AdtDefs: ItemSignature(DefId) -> ty::AdtDefMaster<'tcx> }
  40 dep_map_ty! { ItemVariances: ItemSignature(DefId) -> Rc<ty::ItemVariances> }
  41 dep_map_ty! { InherentImpls: InherentImpls(DefId) -> Rc<Vec<DefId>> }
  42 dep_map_ty! { ImplItems: ImplItems(DefId) -> Vec<ty::ImplOrTraitItemId> }
  43 dep_map_ty! { TraitItems: TraitItems(DefId) -> Rc<Vec<ty::ImplOrTraitItem<'tcx>>> }
  44 dep_map_ty! { ReprHints: ReprHints(DefId) -> Rc<Vec<attr::ReprAttr>> }
  45 dep_map_ty! { InlinedClosures: Hir(DefId) -> ast::NodeId }