Enum Span 

pub enum Span {
    Detached,
    FileLocated {
        source: SourceId,
        range: TextRange,
    },
    LocalRefFrame {
        range: TextRange,
    },
}

Variants

Detached

FileLocated

Fields

source: SourceId

range: TextRange

LocalRefFrame

Fields

range: TextRange

Implementations

impl Span

pub fn detached() -> Self

Examples found in repository

examples/parse_emit_walkthrough.rs (line 14)

    fn parse(input: &mut ParseStream) -> Result<Self, TokenParseError> {
        let Some(token) = input.next_token() else {
            return Err(TokenParseError::UnexpectedEnd {
                expected: "identifier",
                span: Span::detached(),
            });
        };

        let span = token.span();
        match token {
            TokenTree::Ident(identifier) => Ok(Self(identifier)),
            token => Err(TokenParseError::UnexpectedToken {
                expected: "identifier",
                found: token.spelling().unwrap_or("group or trivia").to_owned(),
                span,
            }),
        }
    }

pub fn new(source: SourceId, range: TextRange) -> Self

pub fn in_tmp_file(range: TextRange) -> Self

pub fn source(self) -> Result<SourceId, MissingData>

pub fn range(self) -> Result<TextRange, MissingData>

pub fn start_point(self) -> Result<TextPoint, MissingData>

pub fn end_point(self) -> Result<TextPoint, MissingData>

pub fn byte_size(self) -> Result<usize, MissingData>

pub fn join(self, other: Self) -> Self

pub fn join_all(spans: impl IntoIterator<Item = Span>) -> Self

Trait Implementations

impl Clone for Span

fn clone(&self) -> Span

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Span

impl Debug for Span

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

Formats the value using the given formatter.

impl Default for Span

fn default() -> Span

Returns the “default value” for a type.

impl Eq for Span

impl Hash for Span

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

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 Span

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

Equality operator ==.

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

Inequality operator !=.

impl Spanned for Span

fn span(&self) -> Span

impl StructuralPartialEq for Span