aldrin_parser/ast/
attribute.rs

1use super::Ident;
2use crate::grammar::Rule;
3use crate::Span;
4use pest::iterators::Pair;
5
6#[derive(Debug, Clone)]
7pub struct Attribute {
8    span: Span,
9    name: Ident,
10    options: Vec<Ident>,
11}
12
13impl Attribute {
14    pub(crate) fn parse(pair: Pair<Rule>) -> Self {
15        assert_eq!(pair.as_rule(), Rule::attribute);
16
17        let span = Span::from_pair(&pair);
18
19        let mut pairs = pair.into_inner();
20        pairs.next().unwrap(); // Skip #.
21        pairs.next().unwrap(); // Skip [.
22
23        let pair = pairs.next().unwrap();
24        let name = Ident::parse(pair);
25
26        let mut att = Self {
27            span,
28            name,
29            options: Vec::new(),
30        };
31
32        for pair in pairs {
33            match pair.as_rule() {
34                Rule::ident => att.options.push(Ident::parse(pair)),
35                Rule::tok_par_open
36                | Rule::tok_par_close
37                | Rule::tok_comma
38                | Rule::tok_squ_close => {}
39                _ => unreachable!(),
40            }
41        }
42
43        att
44    }
45
46    pub fn span(&self) -> Span {
47        self.span
48    }
49
50    pub fn name(&self) -> &Ident {
51        &self.name
52    }
53
54    pub fn options(&self) -> &[Ident] {
55        &self.options
56    }
57}
aldrin_parser/ast/attribute.rs

aldrin_parser/ast/
attribute.rs
