1 files changed, 50 insertions, 0 deletions
diff --git a/syn-mid/src/path.rs b/syn-mid/src/path.rs
new file mode 100644
index 0000000..8093b53
--- /dev/null
+++ b/syn-mid/src/path.rs
@@ -0,0 +1,50 @@
+use syn::{
+    ext::IdentExt,
+    parse::{ParseStream, Result},
+    punctuated::Punctuated,
+    Ident, Path, PathArguments, PathSegment, Token,
+};
+
+fn parse_path_segment(input: ParseStream<'_>) -> Result<PathSegment> {
+    if input.peek(Token![super])
+        || input.peek(Token![self])
+        || input.peek(Token![crate])
+        || input.peek(Token![extern])
+    {
+        let ident = input.call(Ident::parse_any)?;
+        return Ok(PathSegment::from(ident));
+    }
+
+    let ident = if input.peek(Token![Self]) {
+        input.call(Ident::parse_any)?
+    } else {
+        input.parse()?
+    };
+
+    if input.peek(Token![::]) && input.peek3(Token![<]) {
+        Ok(PathSegment {
+            ident,
+            arguments: PathArguments::AngleBracketed(input.parse()?),
+        })
+    } else {
+        Ok(PathSegment::from(ident))
+    }
+}
+
+pub(crate) fn parse_path(input: ParseStream<'_>) -> Result<Path> {
+    Ok(Path {
+        leading_colon: input.parse()?,
+        segments: {
+            let mut segments = Punctuated::new();
+            let value = parse_path_segment(input)?;
+            segments.push_value(value);
+            while input.peek(Token![::]) {
+                let punct: Token![::] = input.parse()?;
+                segments.push_punct(punct);
+                let value = parse_path_segment(input)?;
+                segments.push_value(value);
+            }
+            segments
+        },
+    })
+}