flycatcher_parser/ast/
meta.rs

1//! Exposes a data structure for information about AST items.
2
3use crate::ast::Ast;
4use std::ops::Range;
5
6/// Describes where an AST item was found in the source input string.
7#[derive(Clone)]
8pub struct AstMeta {
9
10    // The range of characters where the AST item in this metadata structure was found.
11    pub range: Range<usize>,
12
13    /// The item that this metadata structure describes.
14    pub item: Ast,
15
16    /// Whether or not the AST item has a semicolon after it.
17    pub has_semi: bool,
18
19}
20
21impl AstMeta {
22
23    /// Creates a new AST metadata data structure.
24    pub fn new(range: Range<usize>, item: Ast) -> Self {
25        Self {
26            range,
27            item,
28            has_semi: false,
29        }
30    }
31
32    /// Creates a new AST metadata object, then boxing it.
33    pub fn boxed(range: Range<usize>, item: Ast) -> Box<Self> {
34        Box::new(
35            Self {
36                range,
37                item,
38                has_semi: false,
39            }
40        )
41    }
42
43    /// Converts this AST metadata object into a boxed AST metadata object.
44    pub fn as_box(self) -> Box<Self> {
45        Box::new(self)
46    }
47
48}
49
50impl std::fmt::Debug for AstMeta {
51
52    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
53        self.item.fmt(f)
54    }
55
56}
flycatcher_parser/ast/meta.rs

flycatcher_parser/ast/
meta.rs
