oxc_yaml_parser/
pos.rs

1/// Span represents a range of a piece of source code.
2/// It counts by byte offset, so it's 0-based.
3///
4/// Offsets are `u32` (matching oxc convention); sources larger than 4 GiB are
5/// rejected by the parser up front.
6#[derive(Clone, Copy, Debug, Hash, PartialEq, Eq)]
7pub struct Span {
8    /// Start offset. (Inclusive)
9    pub start: u32,
10    /// End offset. (Exclusive)
11    pub end: u32,
12}
13
14impl Span {
15    pub fn new(start: u32, end: u32) -> Self {
16        Self { start, end }
17    }
18
19    /// A zero-width span at the given offset. Covers no characters, but its
20    /// position may still be meaningful (e.g. a marker between two tokens).
21    pub fn empty(at: u32) -> Self {
22        Self { start: at, end: at }
23    }
24
25    /// The source text this span covers.
26    pub fn slice(self, source: &str) -> &str {
27        &source[self.start as usize..self.end as usize]
28    }
29
30    /// Whether the span covers no characters. An empty span's position may
31    /// still be meaningful (e.g. a synthesized token).
32    pub fn is_empty(self) -> bool {
33        self.start == self.end
34    }
35}
oxc_yaml_parser/pos.rs

oxc_yaml_parser/
pos.rs
