build(rust): vendor rnix parser crate

third_party/crates/rowan-0.16.1/src/lib.rs

@@ -0,0 +1,41 @@
+//! A generic library for lossless syntax trees.
+//! See `examples/s_expressions.rs` for a tutorial.
+#![forbid(
+    // missing_debug_implementations,
+    unconditional_recursion,
+    future_incompatible,
+    // missing_docs,
+)]
+#![deny(unsafe_code)]
+
+#[allow(unsafe_code)]
+mod green;
+#[allow(unsafe_code)]
+pub mod cursor;
+
+pub mod api;
+mod syntax_text;
+mod utility_types;
+
+mod cow_mut;
+#[allow(unsafe_code)]
+mod sll;
+#[allow(unsafe_code)]
+mod arc;
+#[cfg(feature = "serde1")]
+mod serde_impls;
+pub mod ast;
+
+pub use text_size::{TextLen, TextRange, TextSize};
+
+pub use crate::{
+    api::{
+        Language, SyntaxElement, SyntaxElementChildren, SyntaxNode, SyntaxNodeChildren, SyntaxToken,
+    },
+    green::{
+        Checkpoint, Children, GreenNode, GreenNodeBuilder, GreenNodeData, GreenToken,
+        GreenTokenData, NodeCache, SyntaxKind,
+    },
+    syntax_text::SyntaxText,
+    utility_types::{Direction, NodeOrToken, TokenAtOffset, WalkEvent},
+};