Struct rustc::hir::map::definitions::Definitions

pub struct Definitions { /* fields omitted */ }

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

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The definition table containing node definitions. It holds the DefPathTable for local DefIds/DefPaths and it also stores a mapping from NodeIds to local DefIds.

Methods

impl Definitions

pub fn new() -> Definitions

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Create new empty definition map.

pub fn def_path_table(&self) -> &DefPathTable

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pub fn def_index_counts_lo_hi(&self) -> (usize, usize)

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Get the number of definitions.

pub fn def_key(&self, index: DefIndex) -> DefKey

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pub fn def_path_hash(&self, index: DefIndex) -> DefPathHash

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pub fn def_path(&self, index: DefIndex) -> DefPath

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Returns the path from the crate root to index. The root nodes are not included in the path (i.e., this will be an empty vector for the crate root). For an inlined item, this will be the path of the item in the external crate (but the path will begin with the path to the external crate).

pub fn opt_def_index(&self, node: NodeId) -> Option<DefIndex>

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pub fn opt_local_def_id(&self, node: NodeId) -> Option<DefId>

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pub fn local_def_id(&self, node: NodeId) -> DefId

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pub fn as_local_node_id(&self, def_id: DefId) -> Option<NodeId>

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pub fn node_to_hir_id(&self, node_id: NodeId) -> HirId

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pub fn find_node_for_hir_id(&self, hir_id: HirId) -> NodeId

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pub fn def_index_to_hir_id(&self, def_index: DefIndex) -> HirId

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pub fn create_root_def(
    &mut self,
    crate_name: &str,
    crate_disambiguator: CrateDisambiguator
) -> DefIndex

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Add a definition with a parent definition.

pub fn create_def_with_parent(
    &mut self,
    parent: DefIndex,
    node_id: NodeId,
    data: DefPathData,
    address_space: DefIndexAddressSpace,
    expansion: Mark
) -> DefIndex

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

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Add a definition with a parent definition.

pub fn init_node_id_to_hir_id_mapping(
    &mut self,
    mapping: IndexVec<NodeId, HirId>
)

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Initialize the ast::NodeId to HirId mapping once it has been generated during AST to HIR lowering.

pub fn expansion(&self, index: DefIndex) -> Mark

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pub fn macro_def_scope(&self, mark: Mark) -> DefId

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pub fn add_macro_def_scope(&mut self, mark: Mark, scope: DefId)

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Trait Implementations

impl Clone for Definitions

fn clone(&self) -> Self

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.