Struct starlark::codemap::CodeMap

pub struct CodeMap(/* private fields */);

A data structure recording a source code file for position lookup.

Implementations

impl CodeMap

pub fn new(filename: String, source: String) -> CodeMap

Creates an new CodeMap.

pub fn empty_static() -> &'static CodeMap

pub fn id(&self) -> CodeMapId

Only used internally for profiling optimisations

pub fn full_span(&self) -> Span

pub fn file_span(&self, span: Span) -> FileSpan

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

pub fn filename(&self) -> &str

Gets the name of the file

pub fn byte_at(&self, pos: Pos) -> u8

pub fn find_line(&self, pos: Pos) -> usize

Gets the line number of a Pos.

The lines are 0-indexed (first line is numbered 0)

Panics if pos is not within this file’s span.

pub fn source(&self) -> &str

Gets the full source text of the file

pub fn source_span(&self, span: Span) -> &str

Gets the source text of a Span.

Panics if span is not entirely within this file.

pub fn line_span(&self, line: usize) -> Span

Like line_span_opt but panics if the line number is out of range.

pub fn line_span_opt(&self, line: usize) -> Option<Span>

Gets the span representing a line by line number.

The line number is 0-indexed (first line is numbered 0). The returned span includes the line terminator.

Returns None if the number if out of range.

pub fn resolve_span(&self, span: Span) -> ResolvedSpan

pub fn source_line(&self, line: usize) -> &str

Gets the source text of a line.

The string returned does not include the terminating \r or \n characters.

Panics if the line number is out of range.

pub fn source_line_at_pos(&self, pos: Pos) -> &str

Trait Implementations

impl Allocative for CodeMap

fn visit<'allocative_a, 'allocative_b>( &self, visitor: &'allocative_a mut Visitor<'allocative_b> )

where 'allocative_b: 'allocative_a,

impl Clone for CodeMap

fn clone(&self) -> CodeMap

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for CodeMap

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

Formats the value using the given formatter.

impl Default for CodeMap

fn default() -> CodeMap

Returns the “default value” for a type.

impl Dupe for CodeMap

fn dupe(&self) -> Self

impl Hash for CodeMap

fn hash<H>(&self, state: &mut H)

where H: Hasher,

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for CodeMap

fn eq(&self, other: &CodeMap) -> bool

Compares by identity

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for CodeMap