telety_impl/visitor/
crateify.rs

1use proc_macro2::Span;
2use syn::{Ident, PathArguments, PathSegment, UseTree};
3
4use super::calling_crate;
5
6pub struct Crateify(PathSegment);
7
8impl Crateify {
9    pub fn new() -> Self {
10        Self::new_as_crate(calling_crate(Span::call_site()))
11    }
12
13    pub fn new_as_crate(crate_ident: Ident) -> Self {
14        Self(PathSegment {
15            ident: crate_ident,
16            arguments: PathArguments::None,
17        })
18    }
19}
20
21impl Default for Crateify {
22    fn default() -> Self {
23        Self::new()
24    }
25}
26
27impl directed_visit::syn::visit::FullMut for Crateify {
28    fn visit_path_mut<D>(visitor: directed_visit::Visitor<'_, D, Self>, node: &mut syn::Path)
29    where
30        D: directed_visit::DirectMut<Self, syn::Path> + ?Sized,
31    {
32        if let Some(first_segment) = node.segments.first_mut()
33            && *first_segment == visitor.0
34        {
35            first_segment.ident = Ident::new("crate", first_segment.ident.span());
36            node.leading_colon = None;
37        }
38
39        directed_visit::Visitor::visit_mut(visitor, node);
40    }
41
42    fn visit_item_use_mut<D>(visitor: directed_visit::Visitor<'_, D, Self>, node: &mut syn::ItemUse)
43    where
44        D: directed_visit::DirectMut<Self, syn::ItemUse> + ?Sized,
45    {
46        if let UseTree::Path(path) = &mut node.tree
47            && path.ident == visitor.0.ident
48        {
49            path.ident = Ident::new("crate", path.ident.span());
50            node.leading_colon = None;
51        }
52
53        directed_visit::Visitor::visit_mut(visitor, node);
54    }
55}
telety_impl/visitor/crateify.rs

telety_impl/visitor/
crateify.rs
