Struct LanguageRegistry 

pub struct LanguageRegistry { /* private fields */ }

Ordered language registry with last-registration-wins extension lookup.

Implementations

impl LanguageRegistry

pub fn bundled() -> Self

Creates a registry containing Hearth’s bundled language grammars.

impl LanguageRegistry

pub fn empty() -> Self

Creates an empty registry.

pub fn register(&mut self, spec: LanguageSpec) -> LanguageId

Registers a language and returns its stable identifier.

When an extension was already registered, this specification becomes the extension’s new owner.

pub const fn generation(&self) -> u64

Returns the number of registry mutations observed so far.

pub fn for_path(&self, path: &Path) -> Option<LanguageId>

Resolves a path by its final file extension.

pub fn get(&self, id: LanguageId) -> Option<&LanguageSpec>

Returns the specification for an identifier.

pub fn supports_symbols(&self, path: &Path) -> bool

Returns whether the path has a registered symbol query.

pub fn supports_imports(&self, path: &Path) -> bool

Returns whether the path has a registered import extractor.

pub fn iter(&self) -> impl ExactSizeIterator<Item = (LanguageId, &LanguageSpec)>

Iterates over registered identifiers and specifications in registration order.

Trait Implementations

impl Default for LanguageRegistry

fn default() -> Self

Returns the “default value” for a type.