Struct rustc::ty::context::GlobalCtxt

pub struct GlobalCtxt<'tcx> {
    global_arenas: &'tcx WorkerLocal<GlobalArenas<'tcx>>,
    global_interners: CtxtInterners<'tcx>,
    cstore: &'tcx CrateStoreDyn,
    pub sess: &'tcx Session,
    pub dep_graph: DepGraph,
    pub types: CommonTypes<'tcx>,
    trait_map: FxHashMap<DefIndex, Lrc<FxHashMap<ItemLocalId, Lrc<StableVec<TraitCandidate>>>>>,
    export_map: FxHashMap<DefId, Lrc<Vec<Export>>>,
    pub hir: Map<'tcx>,
    pub def_path_hash_to_def_id: Option<FxHashMap<DefPathHash, DefId>>,
    pub(crate) queries: Queries<'tcx>,
    freevars: FxHashMap<DefId, Lrc<Vec<Freevar>>>,
    maybe_unused_trait_imports: FxHashSet<DefId>,
    maybe_unused_extern_crates: Vec<(DefId, Span)>,
    pub rcache: Lock<FxHashMap<CReaderCacheKey, Ty<'tcx>>>,
    pub selection_cache: SelectionCache<'tcx>,
    pub evaluation_cache: EvaluationCache<'tcx>,
    pub crate_name: Symbol,
    pub data_layout: TargetDataLayout,
    stability_interner: Lock<FxHashSet<&'tcx Stability>>,
    allocation_interner: Lock<FxHashSet<&'tcx Allocation>>,
    pub alloc_map: Lock<AllocMap<'tcx, &'tcx Allocation>>,
    layout_interner: Lock<FxHashSet<&'tcx LayoutDetails>>,
    pub tx_to_llvm_workers: Lock<Sender<Box<Any + Send>>>,
    output_filenames: Arc<OutputFilenames>,
}

🔬 This is a nightly-only experimental API. (rustc_private)

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Fields

global_arenas: &'tcx WorkerLocal<GlobalArenas<'tcx>>

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global_interners: CtxtInterners<'tcx>

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cstore: &'tcx CrateStoreDyn

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sess: &'tcx Session

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dep_graph: DepGraph

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types: CommonTypes<'tcx>

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Common types, pre-interned for your convenience.

trait_map: FxHashMap<DefIndex, Lrc<FxHashMap<ItemLocalId, Lrc<StableVec<TraitCandidate>>>>>

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Map indicating what traits are in scope for places where this is relevant; generated by resolve.

export_map: FxHashMap<DefId, Lrc<Vec<Export>>>

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Export map produced by name resolution.

hir: Map<'tcx>

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def_path_hash_to_def_id: Option<FxHashMap<DefPathHash, DefId>>

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A map from DefPathHash -> DefId. Includes DefIds from the local crate as well as all upstream crates. Only populated in incremental mode.

queries: Queries<'tcx>

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freevars: FxHashMap<DefId, Lrc<Vec<Freevar>>>

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maybe_unused_trait_imports: FxHashSet<DefId>

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maybe_unused_extern_crates: Vec<(DefId, Span)>

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rcache: Lock<FxHashMap<CReaderCacheKey, Ty<'tcx>>>

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selection_cache: SelectionCache<'tcx>

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Caches the results of trait selection. This cache is used for things that do not have to do with the parameters in scope.

evaluation_cache: EvaluationCache<'tcx>

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Caches the results of trait evaluation. This cache is used for things that do not have to do with the parameters in scope. Merge this with selection_cache?

crate_name: Symbol

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The definite name of the current crate after taking into account attributes, commandline parameters, etc.

data_layout: TargetDataLayout

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Data layout specification for the current target.

stability_interner: Lock<FxHashSet<&'tcx Stability>>

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allocation_interner: Lock<FxHashSet<&'tcx Allocation>>

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Stores the value of constants (and deduplicates the actual memory)

alloc_map: Lock<AllocMap<'tcx, &'tcx Allocation>>

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layout_interner: Lock<FxHashSet<&'tcx LayoutDetails>>

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tx_to_llvm_workers: Lock<Sender<Box<Any + Send>>>

🔬 This is a nightly-only experimental API. (rustc_private)

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A general purpose channel to throw data out the back towards LLVM worker threads.

This is intended to only get used during the codegen phase of the compiler when satisfying the query for a particular codegen unit. Internally in the query it'll send data along this channel to get processed later.

output_filenames: Arc<OutputFilenames>

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Methods

impl<'gcx: 'tcx, 'tcx> GlobalCtxt<'gcx>

pub fn enter_local<F, R>(&self, arena: &'tcx SyncDroplessArena, f: F) -> R where     F: for<'a> FnOnce(TyCtxt<'a, 'gcx, 'tcx>) -> R,

🔬 This is a nightly-only experimental API. (rustc_private)

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Call the closure with a local TyCtxt using the given arena.