Struct codemap::CodeMap

pub struct CodeMap { /* fields omitted */ }

A data structure recording source code files for position lookup.

Methods

impl CodeMap

fn new() -> CodeMap

Creates an empty CodeMap.

fn add_file(&mut self, name: String, source: String) -> Arc<File>

Adds a file with the given name and contents.

Use the returned File and its .span property to create Spans representing substrings of the file.

fn find_file(&self, pos: Pos) -> &Arc<File>

Looks up the File that contains the specified position.

fn look_up_pos(&self, pos: Pos) -> Loc

Gets the file, line, and column represented by a Pos.

fn look_up_span(&self, span: Span) -> SpanLoc

Gets the file and its line and column ranges represented by a Span.