Enum rusty_lr::BuildError

pub enum BuildError<'a, Term, NonTerm> {
    RuleNotFound(NonTerm),
    ReduceReduceConflict {
        lookahead: Term,
        rule1: usize,
        rule2: usize,
        rules: &'a Vec<ProductionRule<Term, NonTerm>>,
    },
    ShiftReduceConflict {
        reduce: usize,
        shift: LookaheadRuleRefSet<Term>,
        term: Term,
        rules: &'a Vec<ProductionRule<Term, NonTerm>>,
    },
    NoAugmented,
    MultipleReduceType(Term),
}

Error type for grammar.build()

Variants

RuleNotFound(NonTerm)

ReduceReduceConflict

Fields

lookahead: Term

rule1: usize

rule2: usize

rules: &'a Vec<ProductionRule<Term, NonTerm>>

ShiftReduceConflict

shift/reduce conflict

Fields

reduce: usize

shift: LookaheadRuleRefSet<Term>

term: Term

rules: &'a Vec<ProductionRule<Term, NonTerm>>

NoAugmented

MultipleReduceType(Term)

different reduce type assigned to same terminal symbol

Trait Implementations

impl<'a, Term, NonTerm> Debug for BuildError<'a, Term, NonTerm>

where Term: Debug + Clone, NonTerm: Debug + Clone,

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

Formats the value using the given formatter.

impl<'a, Term, NonTerm> Display for BuildError<'a, Term, NonTerm>

where Term: Display + Clone, NonTerm: Display + Clone,

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

Formats the value using the given formatter.