1 files changed, 17 insertions, 0 deletions
diff --git a/crates/rust-analyzer/src/cli/parse.rs b/crates/rust-analyzer/src/cli/parse.rs
new file mode 100644
index 00000000000..5ef8cdff4cf
--- /dev/null
+++ b/crates/rust-analyzer/src/cli/parse.rs
@@ -0,0 +1,17 @@
+//! Read Rust code on stdin, print syntax tree on stdout.
+use syntax::{AstNode, SourceFile};
+
+use crate::cli::{flags, read_stdin};
+
+impl flags::Parse {
+    pub fn run(self) -> anyhow::Result<()> {
+        let _p = profile::span("parsing");
+        let text = read_stdin()?;
+        let file = SourceFile::parse(&text).tree();
+        if !self.no_dump {
+            println!("{:#?}", file.syntax());
+        }
+        std::mem::forget(file);
+        Ok(())
+    }
+}