src/librustc_middle/arena.rs

   1 /// This declares a list of types which can be allocated by `Arena`.
   2 ///
   3 /// The `few` modifier will cause allocation to use the shared arena and recording the destructor.
   4 /// This is faster and more memory efficient if there's only a few allocations of the type.
   5 /// Leaving `few` out will cause the type to get its own dedicated `TypedArena` which is
   6 /// faster and more memory efficient if there is lots of allocations.
   7 ///
   8 /// Specifying the `decode` modifier will add decode impls for &T and &[T] where T is the type
   9 /// listed. These impls will appear in the implement_ty_decoder! macro.
  10 #[macro_export]
  11 macro_rules! arena_types {
  12     ($macro:path, $args:tt, $tcx:lifetime) => (
  13         $macro!($args, [
  14             [] layouts: rustc_target::abi::Layout,
  15             [] generics: rustc_middle::ty::Generics,
  16             [] trait_def: rustc_middle::ty::TraitDef,
  17             [] adt_def: rustc_middle::ty::AdtDef,
  18             [] steal_mir: rustc_middle::ty::steal::Steal<rustc_middle::mir::BodyAndCache<$tcx>>,
  19             [] mir: rustc_middle::mir::BodyAndCache<$tcx>,
  20             [] steal_promoted: rustc_middle::ty::steal::Steal<
  21                 rustc_index::vec::IndexVec<
  22                     rustc_middle::mir::Promoted,
  23                     rustc_middle::mir::BodyAndCache<$tcx>
  24                 >
  25             >,
  26             [] promoted: rustc_index::vec::IndexVec<
  27                 rustc_middle::mir::Promoted,
  28                 rustc_middle::mir::BodyAndCache<$tcx>
  29             >,
  30             [decode] tables: rustc_middle::ty::TypeckTables<$tcx>,
  31             [decode] borrowck_result: rustc_middle::mir::BorrowCheckResult<$tcx>,
  32             [] const_allocs: rustc_middle::mir::interpret::Allocation,
  33             [] vtable_method: Option<(
  34                 rustc_hir::def_id::DefId,
  35                 rustc_middle::ty::subst::SubstsRef<$tcx>
  36             )>,
  37             [few, decode] mir_keys: rustc_hir::def_id::DefIdSet,
  38             [decode] specialization_graph: rustc_middle::traits::specialization_graph::Graph,
  39             [] region_scope_tree: rustc_middle::middle::region::ScopeTree,
  40             [] item_local_set: rustc_hir::ItemLocalSet,
  41             [decode] mir_const_qualif: rustc_index::bit_set::BitSet<rustc_middle::mir::Local>,
  42             [] trait_impls_of: rustc_middle::ty::trait_def::TraitImpls,
  43             [] associated_items: rustc_middle::ty::AssociatedItems,
  44             [] dropck_outlives:
  45                 rustc_middle::infer::canonical::Canonical<'tcx,
  46                     rustc_middle::infer::canonical::QueryResponse<'tcx,
  47                         rustc_middle::traits::query::DropckOutlivesResult<'tcx>
  48                     >
  49                 >,
  50             [] normalize_projection_ty:
  51                 rustc_middle::infer::canonical::Canonical<'tcx,
  52                     rustc_middle::infer::canonical::QueryResponse<'tcx,
  53                         rustc_middle::traits::query::NormalizationResult<'tcx>
  54                     >
  55                 >,
  56             [] implied_outlives_bounds:
  57                 rustc_middle::infer::canonical::Canonical<'tcx,
  58                     rustc_middle::infer::canonical::QueryResponse<'tcx,
  59                         Vec<rustc_middle::traits::query::OutlivesBound<'tcx>>
  60                     >
  61                 >,
  62             [] type_op_subtype:
  63                 rustc_middle::infer::canonical::Canonical<'tcx,
  64                     rustc_middle::infer::canonical::QueryResponse<'tcx, ()>
  65                 >,
  66             [] type_op_normalize_poly_fn_sig:
  67                 rustc_middle::infer::canonical::Canonical<'tcx,
  68                     rustc_middle::infer::canonical::QueryResponse<'tcx, rustc_middle::ty::PolyFnSig<'tcx>>
  69                 >,
  70             [] type_op_normalize_fn_sig:
  71                 rustc_middle::infer::canonical::Canonical<'tcx,
  72                     rustc_middle::infer::canonical::QueryResponse<'tcx, rustc_middle::ty::FnSig<'tcx>>
  73                 >,
  74             [] type_op_normalize_predicate:
  75                 rustc_middle::infer::canonical::Canonical<'tcx,
  76                     rustc_middle::infer::canonical::QueryResponse<'tcx, rustc_middle::ty::Predicate<'tcx>>
  77                 >,
  78             [] type_op_normalize_ty:
  79                 rustc_middle::infer::canonical::Canonical<'tcx,
  80                     rustc_middle::infer::canonical::QueryResponse<'tcx, rustc_middle::ty::Ty<'tcx>>
  81                 >,
  82             [few] crate_inherent_impls: rustc_middle::ty::CrateInherentImpls,
  83             [few] upstream_monomorphizations:
  84                 rustc_hir::def_id::DefIdMap<
  85                     rustc_data_structures::fx::FxHashMap<
  86                         rustc_middle::ty::subst::SubstsRef<'tcx>,
  87                         rustc_hir::def_id::CrateNum
  88                     >
  89                 >,
  90             [few] diagnostic_items: rustc_data_structures::fx::FxHashMap<
  91                 rustc_span::symbol::Symbol,
  92                 rustc_hir::def_id::DefId,
  93             >,
  94             [few] resolve_lifetimes: rustc_middle::middle::resolve_lifetime::ResolveLifetimes,
  95             [few] lint_levels: rustc_middle::lint::LintLevelMap,
  96             [few] stability_index: rustc_middle::middle::stability::Index<'tcx>,
  97             [few] features: rustc_feature::Features,
  98             [few] all_traits: Vec<rustc_hir::def_id::DefId>,
  99             [few] privacy_access_levels: rustc_middle::middle::privacy::AccessLevels,
 100             [few] target_features_whitelist: rustc_data_structures::fx::FxHashMap<
 101                 String,
 102                 Option<rustc_span::symbol::Symbol>
 103             >,
 104             [few] wasm_import_module_map: rustc_data_structures::fx::FxHashMap<
 105                 rustc_hir::def_id::DefId,
 106                 String
 107             >,
 108             [few] get_lib_features: rustc_middle::middle::lib_features::LibFeatures,
 109             [few] defined_lib_features: rustc_hir::lang_items::LanguageItems,
 110             [few] visible_parent_map: rustc_hir::def_id::DefIdMap<rustc_hir::def_id::DefId>,
 111             [few] foreign_module: rustc_middle::middle::cstore::ForeignModule,
 112             [few] foreign_modules: Vec<rustc_middle::middle::cstore::ForeignModule>,
 113             [few] reachable_non_generics: rustc_hir::def_id::DefIdMap<
 114                 rustc_middle::middle::exported_symbols::SymbolExportLevel
 115             >,
 116             [few] crate_variances: rustc_middle::ty::CrateVariancesMap<'tcx>,
 117             [few] inferred_outlives_crate: rustc_middle::ty::CratePredicatesMap<'tcx>,
 118             [] upvars: rustc_data_structures::fx::FxIndexMap<rustc_hir::HirId, rustc_hir::Upvar>,
 119
 120             // Interned types
 121             [] tys: rustc_middle::ty::TyS<$tcx>,
 122
 123             // HIR query types
 124             [few] indexed_hir: rustc_middle::hir::map::IndexedHir<$tcx>,
 125             [few] hir_definitions: rustc_hir::definitions::Definitions,
 126             [] hir_owner: rustc_middle::hir::Owner<$tcx>,
 127             [] hir_owner_nodes: rustc_middle::hir::OwnerNodes<$tcx>,
 128         ], $tcx);
 129     )
 130 }
 131
 132 arena_types!(arena::declare_arena, [], 'tcx);