Struct ParserAtnBuilder 

pub struct ParserAtnBuilder { /* private fields */ }

Centralized construction API for packed parser ATNs.

States never own transition collections; edges are grouped into contiguous ranges only when the final packed stream is emitted.

Implementations

impl ParserAtnBuilder

pub const fn new(max_token_type: i32) -> Self

pub fn add_state( &mut self, kind: AtnStateKind, rule_index: Option<usize>, ) -> Result<AtnStateId, ParserAtnError>

pub fn set_end_state( &mut self, state: usize, end_state: usize, ) -> Result<(), ParserAtnError>

pub fn set_loop_back_state( &mut self, state: usize, loop_back_state: usize, ) -> Result<(), ParserAtnError>

pub fn set_non_greedy(&mut self, state: usize) -> Result<(), ParserAtnError>

pub fn set_left_recursive_rule( &mut self, state: usize, ) -> Result<(), ParserAtnError>

pub fn set_precedence_rule_decision( &mut self, state: usize, ) -> Result<(), ParserAtnError>

pub fn add_interval_set( &mut self, ranges: impl IntoIterator<Item = (i32, i32)>, ) -> Result<ParserIntervalSetId, ParserAtnError>

pub fn add_transition( &mut self, source: usize, transition: ParserTransitionSpec, ) -> Result<TransitionId, ParserAtnError>

pub fn set_rule_to_start_state( &mut self, states: Vec<usize>, ) -> Result<(), ParserAtnError>

pub fn set_rule_to_stop_state( &mut self, states: Vec<usize>, ) -> Result<(), ParserAtnError>

pub fn add_decision_state(&mut self, state: usize) -> Result<(), ParserAtnError>

pub fn state_kind(&self, state: usize) -> Option<AtnStateKind>

pub const fn state_count(&self) -> usize

pub fn state_rule_index(&self, state: usize) -> Option<usize>

pub fn rule_stop_state(&self, rule: usize) -> Option<usize>

pub fn transitions_from( &self, source: usize, ) -> impl DoubleEndedIterator<Item = ParserTransitionSpec> + '_

pub fn finish(self) -> Result<ParserAtn, ParserAtnError>

Trait Implementations

impl Debug for ParserAtnBuilder

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.