Trait LangImpl 

pub trait LangImpl: Send + Sync {
    // Required methods
    fn name(&self) -> &str;
    fn parse(&self, source: &str) -> Tree;
    fn resolve_named_node(&self, kind: &str) -> Option<NodeTypeId>;
    fn resolve_anonymous_node(&self, kind: &str) -> Option<NodeTypeId>;
    fn resolve_field(&self, name: &str) -> Option<NodeFieldId>;
    fn all_named_node_kinds(&self) -> Vec<&'static str>;
    fn all_field_names(&self) -> Vec<&'static str>;
    fn node_type_name(&self, node_type_id: NodeTypeId) -> Option<&'static str>;
    fn field_name(&self, field_id: NodeFieldId) -> Option<&'static str>;
    fn fields_for_node_type(
        &self,
        node_type_id: NodeTypeId,
    ) -> Vec<&'static str>;
    fn is_supertype(&self, node_type_id: NodeTypeId) -> bool;
    fn subtypes(&self, supertype: NodeTypeId) -> &[u16];
    fn root(&self) -> Option<NodeTypeId>;
    fn is_extra(&self, node_type_id: NodeTypeId) -> bool;
    fn has_field(
        &self,
        node_type_id: NodeTypeId,
        node_field_id: NodeFieldId,
    ) -> bool;
    fn field_cardinality(
        &self,
        node_type_id: NodeTypeId,
        node_field_id: NodeFieldId,
    ) -> Option<Cardinality>;
    fn valid_field_types(
        &self,
        node_type_id: NodeTypeId,
        node_field_id: NodeFieldId,
    ) -> &[NodeTypeId] ;
    fn is_valid_field_type(
        &self,
        node_type_id: NodeTypeId,
        node_field_id: NodeFieldId,
        child: NodeTypeId,
    ) -> bool;
    fn children_cardinality(
        &self,
        node_type_id: NodeTypeId,
    ) -> Option<Cardinality>;
    fn valid_child_types(&self, node_type_id: NodeTypeId) -> &[NodeTypeId] ;
    fn is_valid_child_type(
        &self,
        node_type_id: NodeTypeId,
        child: NodeTypeId,
    ) -> bool;
}

Trait providing a unified facade for tree-sitter’s Language API combined with our node type constraints.

Required Methods

fn name(&self) -> &str

fn parse(&self, source: &str) -> Tree

Parse source code into a tree-sitter tree.

fn resolve_named_node(&self, kind: &str) -> Option<NodeTypeId>

fn resolve_anonymous_node(&self, kind: &str) -> Option<NodeTypeId>

fn resolve_field(&self, name: &str) -> Option<NodeFieldId>

fn all_named_node_kinds(&self) -> Vec<&'static str>

fn all_field_names(&self) -> Vec<&'static str>

fn node_type_name(&self, node_type_id: NodeTypeId) -> Option<&'static str>

fn field_name(&self, field_id: NodeFieldId) -> Option<&'static str>

fn fields_for_node_type(&self, node_type_id: NodeTypeId) -> Vec<&'static str>

fn is_supertype(&self, node_type_id: NodeTypeId) -> bool

fn subtypes(&self, supertype: NodeTypeId) -> &[u16]

fn root(&self) -> Option<NodeTypeId>

fn is_extra(&self, node_type_id: NodeTypeId) -> bool

fn has_field( &self, node_type_id: NodeTypeId, node_field_id: NodeFieldId, ) -> bool

fn field_cardinality( &self, node_type_id: NodeTypeId, node_field_id: NodeFieldId, ) -> Option<Cardinality>

fn valid_field_types( &self, node_type_id: NodeTypeId, node_field_id: NodeFieldId, ) -> &[NodeTypeId]

fn is_valid_field_type( &self, node_type_id: NodeTypeId, node_field_id: NodeFieldId, child: NodeTypeId, ) -> bool

fn children_cardinality(&self, node_type_id: NodeTypeId) -> Option<Cardinality>

fn valid_child_types(&self, node_type_id: NodeTypeId) -> &[NodeTypeId]

fn is_valid_child_type( &self, node_type_id: NodeTypeId, child: NodeTypeId, ) -> bool

Implementors

impl<N: NodeTypes + Send + Sync> LangImpl for LangInner<N>