Struct rusty_lr::Grammar

pub struct Grammar<Term, NonTerm> {
    pub rules: Vec<ProductionRule<Term, NonTerm>>,
    /* private fields */
}

A struct for Context Free Grammar and DFA construction

Fields

rules: Vec<ProductionRule<Term, NonTerm>>

set of production rules

Implementations

impl<Term, NonTerm> Grammar<Term, NonTerm>

pub fn new() -> Grammar<Term, NonTerm>

pub fn add_rule( &mut self, name: NonTerm, rule: Vec<Token<Term, NonTerm>>, ) -> usize

add new production rule for given nonterminal ‘name’

pub fn set_reduce_type( &mut self, term: Term, reduce_type: ReduceType, ) -> Result<(), BuildError<'static, Term, NonTerm>>

where Term: Hash + Eq + Clone,

pub fn build( &mut self, augmented_name: NonTerm, ) -> Result<Parser<Term, NonTerm>, BuildError<'_, Term, NonTerm>>

where Term: Clone + Ord + Hash, NonTerm: Clone + Hash + Ord,

build LR(1) parser table from given grammar

pub fn build_lalr( &mut self, augmented_name: NonTerm, ) -> Result<Parser<Term, NonTerm>, BuildError<'_, Term, NonTerm>>

where Term: Clone + Ord + Hash, NonTerm: Clone + Hash + Ord,

build LALR(1) parser table from given grammar

Trait Implementations

impl<Term, NonTerm> Clone for Grammar<Term, NonTerm>

where Term: Clone, NonTerm: Clone,

fn clone(&self) -> Grammar<Term, NonTerm>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<Term, NonTerm> Debug for Grammar<Term, NonTerm>

where Term: Debug, NonTerm: Debug,

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

Formats the value using the given formatter.

impl<Term, NonTerm> Display for Grammar<Term, NonTerm>

where Term: Display, NonTerm: Display,

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

Formats the value using the given formatter.