Struct ContextManager 

pub struct ContextManager { /* private fields */ }

Context stack manager

Implementations

impl ContextManager

pub fn new() -> Self

pub fn is_empty(&self) -> bool

Check if context stack is empty (at top level)

pub fn save_partial( &mut self, parts: u32, hist: &HistStack, lex: &LexStack, parse: &ParseStack, )

Save some or all of current context

pub fn save(&mut self, hist: &HistStack, lex: &LexStack, parse: &ParseStack)

Save full context

pub fn restore_partial(&mut self, parts: u32) -> Option<ContextStack>

Restore some or all of context

pub fn restore(&mut self) -> Option<ContextStack>

Restore full context

pub fn depth(&self) -> usize

Get current stack depth

Trait Implementations

impl Default for ContextManager

fn default() -> Self

Returns the “default value” for a type.