Struct LexerStream 

pub struct LexerStream { /* private fields */ }

A position-tracking stream over a Vec<LexToken>.

Implementations

impl LexerStream

pub fn new(tokens: Vec<LexToken>) -> Self

pub fn is_empty(&self) -> bool

pub fn remaining(&self) -> usize

pub fn current_pos(&self) -> usize

pub fn peek(&self) -> Option<&LexToken>

pub fn peek_nth(&self, n: usize) -> Option<&LexToken>

pub fn next_token(&mut self) -> Option<&LexToken>

pub fn skip(&mut self, n: usize)

pub fn set_mark(&mut self)

pub fn restore_mark(&mut self)

pub fn clear_mark(&mut self)

pub fn consume_while( &mut self, pred: impl Fn(&LexToken) -> bool, ) -> Vec<&LexToken>

Consume tokens while the predicate holds.

pub fn total(&self) -> usize

pub fn peek_rest(&self) -> &[LexToken]

Return all remaining tokens as a slice without consuming.

Trait Implementations

impl Clone for LexerStream

fn clone(&self) -> LexerStream

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for LexerStream

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

Formats the value using the given formatter.