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Support ::crate in paths

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This commit is contained in:
Vadim Petrochenkov
2017-11-04 23:56:45 +03:00
parent 33374fa9d0
commit 2e9b89ddc5
13 changed files with 150 additions and 41 deletions
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11
src/libsyntax/ast.rs
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@@ -96,10 +96,15 @@ impl Path {
}
}
// Add starting "crate root" segment to all paths except those that
// already have it or start with `self`, `super`, `Self` or `$crate`.
pub fn default_to_global(mut self) -> Path {
if !self.is_global() &&
!::parse::token::Ident(self.segments[0].identifier).is_path_segment_keyword() {
self.segments.insert(0, PathSegment::crate_root(self.span));
if !self.is_global() {
let ident = self.segments[0].identifier;
if !::parse::token::Ident(ident).is_path_segment_keyword() ||
ident.name == keywords::Crate.name() {
self.segments.insert(0, PathSegment::crate_root(self.span));
}
}
self
}