Struct cfg::remap::Remap

pub struct Remap<'a, G>where
    G: RuleContainer + 'a,{ /* private fields */ }

Remaps symbols and removes unused symbols.

Implementations

impl<'a, G> Remap<'a, G>where G: RuleContainer,

pub fn new(grammar: &'a mut G) -> Self

Creates Remap to record information about remapped symbols.

pub fn remove_unused_symbols(&mut self)

Removes unused symbols.

pub fn reorder_symbols<F>(&mut self, f: F)where F: Fn(Symbol, Symbol) -> Ordering,

Remaps symbols to satisfy given ordering constraints. The argument must be a function that gives total order.

pub fn get_mapping(self) -> Mapping

Get the mapping.