bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir-expand/src/mod_path.rs')
-rw-r--r--crates/hir-expand/src/mod_path.rs15
1 files changed, 15 insertions, 0 deletions
diff --git a/crates/hir-expand/src/mod_path.rs b/crates/hir-expand/src/mod_path.rs
index b64c3549e4..136b0935be 100644
--- a/crates/hir-expand/src/mod_path.rs
+++ b/crates/hir-expand/src/mod_path.rs
@@ -94,6 +94,21 @@ impl ModPath {
}
}
+ pub fn textual_len(&self) -> usize {
+ let base = match self.kind {
+ PathKind::Plain => 0,
+ PathKind::Super(0) => "self".len(),
+ PathKind::Super(i) => "super".len() * i as usize,
+ PathKind::Crate => "crate".len(),
+ PathKind::Abs => 0,
+ PathKind::DollarCrate(_) => "$crate".len(),
+ };
+ self.segments()
+ .iter()
+ .map(|segment| segment.as_str().map_or(0, str::len))
+ .fold(base, core::ops::Add::add)
+ }
+
pub fn is_ident(&self) -> bool {
self.as_ident().is_some()
}