1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42

use crate::Loc;

/// An enum of all magic comment kinds
#[repr(C)]
#[derive(Debug, Clone, PartialEq)]
pub enum MagicCommentKind {
    /// `# encoding: ... comment`
    Encoding,

    /// `# frozen_string_literal: true/false` comment
    FrozenStringLiteral,

    /// `# warn_indent: true/false` comment
    WarnIndent,

    /// `# shareable_constant_value: ...` comment
    ShareableConstantValue,
}

/// Representation of a magic comment in Ruby
#[repr(C)]
#[derive(Debug, Clone, PartialEq)]
pub struct MagicComment {
    /// Kind of a magic comment
    pub kind: MagicCommentKind,

    /// Location of the "key":
    ///
    /// ```text
    /// # encoding: utf-8
    ///   ~~~~~~~~
    /// ```
    pub key_l: Loc,

    /// Location of the "value":
    ///
    /// ```text
    /// # encoding: utf-8
    ///             ~~~~~
    /// ```
    pub value_l: Loc,
}