telety_impl/visitor/
crateify.rs

1use proc_macro2::Span;
2use syn::{
3    Ident, PathArguments, PathSegment, UseTree,
4};
5
6use super::calling_crate;
7
8pub struct Crateify(PathSegment);
9
10impl Crateify {
11    pub fn new() -> Self {
12        Self::new_as_crate(calling_crate(Span::call_site()))
13    }
14
15    pub fn new_as_crate(crate_ident: Ident) -> Self {
16        Self(PathSegment {
17            ident: crate_ident,
18            arguments: PathArguments::None,
19        })
20    }
21}
22
23impl Default for Crateify {
24    fn default() -> Self {
25        Self::new()
26    }
27}
28
29impl directed_visit::syn::visit::FullMut for Crateify {
30    fn visit_path_mut<D>(visitor: directed_visit::Visitor<'_, D, Self>, node: &mut syn::Path)
31    where 
32        D: directed_visit::DirectMut<Self, syn::Path> + ?Sized, 
33    {
34        if let Some(first_segment) = node.segments.first_mut() {
35            if *first_segment == visitor.0 {
36                first_segment.ident = Ident::new("crate", first_segment.ident.span());
37                node.leading_colon = None;
38            }
39        }
40
41        directed_visit::Visitor::visit_mut(visitor, node);
42    }
43
44    fn visit_item_use_mut<D>(visitor: directed_visit::Visitor<'_, D, Self>, node: &mut syn::ItemUse)
45    where 
46        D: directed_visit::DirectMut<Self, syn::ItemUse> + ?Sized, 
47    {
48        if let UseTree::Path(path) = &mut node.tree {
49            if path.ident == visitor.0.ident {
50                path.ident = Ident::new("crate", path.ident.span());
51                node.leading_colon = None;
52            }
53        }
54
55        directed_visit::Visitor::visit_mut(visitor, node);
56    }
57}
telety_impl/visitor/crateify.rs

telety_impl/visitor/
crateify.rs
