Struct PosTbl

pub struct PosTbl { /* private fields */ }

A table of line and column positions for a source string.

Implementations

impl PosTbl

pub fn new(chars: Vec<LineColPos>) -> Self

Creates a new line and column position table.

pub fn generate(src: impl Iterator<Item = char>) -> Self

Generates a line and column position table from a source string.

pub fn get(&self, idx: usize) -> Option<LineColPos>

Gets the line and column position for a given byte index.

pub fn get_srcpos(&self, idx: usize) -> Option<SrcPos>

Gets the source position for a given byte index.

pub fn expect_srcpos(&self, idx: usize) -> SrcPos

Gets the source position for a given byte index, panicking if out of bounds.

pub fn expect_end(&self) -> SrcPos

Gets the source position for the end of the source string, panicking if the source string is empty.

Trait Implementations

impl Clone for PosTbl

fn clone(&self) -> PosTbl

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PosTbl

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

Formats the value using the given formatter.