Struct hime_redist::parsers::LRExpected

pub struct LRExpected {
    pub shifts: Vec<Symbol>,
    pub reductions: Vec<Symbol>,
}

Container for the expected terminals for a LR state

Fields

shifts: Vec<Symbol>

The terminals expected for shift actions

reductions: Vec<Symbol>

The terminals expected for reduction actions

Methods

impl LRExpected

pub fn new() -> LRExpected

Initializes this container

pub fn add_unique_shift(&mut self, terminal: Symbol)

Adds the specified terminal as expected on a shift action If the terminal is already added to the reduction collection it is removed from it.

pub fn add_unique_reduction(&mut self, terminal: Symbol)

Adds the specified terminal as expected on a reduction action If the terminal is in the shift collection, nothing happens.

Trait Implementations