[−][src]Trait rustc_query_system::query::QueryAccessors

pub trait QueryAccessors<CTX: QueryContext>: QueryConfig {
    type Cache: QueryCache<Key = Self::Key, Stored = Self::Stored, Value = Self::Value>;

    pub const ANON: bool;
    pub const EVAL_ALWAYS: bool;
    pub const DEP_KIND: CTX::DepKind;

    pub fn query_state<'a>(
        tcx: CTX
    ) -> &'a QueryState<CTX::DepKind, CTX::Query, Self::Cache>;

    pub fn compute(tcx: CTX, key: Self::Key) -> Self::Value;

    pub fn hash_result(
        hcx: &mut CTX::StableHashingContext, 
        result: &Self::Value
    ) -> Option<Fingerprint>;

    pub fn handle_cycle_error(
        tcx: CTX, 
        error: CycleError<CTX::Query>
    ) -> Self::Value;

    pub fn to_dep_node(tcx: CTX, key: &Self::Key) -> DepNode<CTX::DepKind>
    where
        Self::Key: DepNodeParams<CTX>,
    { ... }
}

Associated Types

type Cache: QueryCache<Key = Self::Key, Stored = Self::Stored, Value = Self::Value>[src]

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Associated Constants

pub const ANON: bool[src]

pub const EVAL_ALWAYS: bool[src]

pub const DEP_KIND: CTX::DepKind[src]

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Required methods

pub fn query_state<'a>(
    tcx: CTX
) -> &'a QueryState<CTX::DepKind, CTX::Query, Self::Cache>[src]

pub fn compute(tcx: CTX, key: Self::Key) -> Self::Value[src]

pub fn hash_result(
    hcx: &mut CTX::StableHashingContext,
    result: &Self::Value
) -> Option<Fingerprint>[src]

pub fn handle_cycle_error(
    tcx: CTX,
    error: CycleError<CTX::Query>
) -> Self::Value[src]

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Provided methods

pub fn to_dep_node(tcx: CTX, key: &Self::Key) -> DepNode<CTX::DepKind> where
    Self::Key: DepNodeParams<CTX>, [src]

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Implementors

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