Pull in RustPython parser (#6099)

crates/ruff_python_ast/src/lib.rs

@@ -1,3 +1,5 @@
+use ruff_text_size::{TextRange, TextSize};
+
 pub mod all;
 pub mod call_path;
 pub mod cast;
@@ -9,6 +11,7 @@ pub mod helpers;
 pub mod identifier;
 pub mod imports;
 pub mod node;
+mod nodes;
 pub mod relocate;
 pub mod statement_visitor;
 pub mod stmt_if;
@@ -17,3 +20,32 @@ pub mod traversal;
 pub mod types;
 pub mod visitor;
 pub mod whitespace;
+
+pub use nodes::*;
+
+pub trait Ranged {
+    fn range(&self) -> TextRange;
+
+    fn start(&self) -> TextSize {
+        self.range().start()
+    }
+
+    fn end(&self) -> TextSize {
+        self.range().end()
+    }
+}
+
+impl Ranged for TextRange {
+    fn range(&self) -> TextRange {
+        *self
+    }
+}
+
+impl<T> Ranged for &T
+where
+    T: Ranged,
+{
+    fn range(&self) -> TextRange {
+        T::range(self)
+    }
+}