From 6d396041ed8c00f6ac58a1b90473ec7ea5db43d8 Mon Sep 17 00:00:00 2001
From: Jonas Maier <>
Date: Sat, 7 Mar 2026 11:19:57 +0100
Subject: parse builtin that emits compact ast

---
 src/run/builtin.rs | 34 +++++++++++++++++++++++++++++++++-
 1 file changed, 33 insertions(+), 1 deletion(-)

(limited to 'src/run/builtin.rs')

diff --git a/src/run/builtin.rs b/src/run/builtin.rs
index c71f10f..0b2b3bc 100644
--- a/src/run/builtin.rs
+++ b/src/run/builtin.rs
@@ -3,7 +3,8 @@
 use std::sync::{Arc, Mutex};
 use std::{env::*, fs::OpenOptions, path::PathBuf};
 
-use super::{Builtin, BuiltinResult as Result};
+use super::{Builtin, BuiltinError as Error, BuiltinResult as Result};
+use crate::parse::CmdDisplay;
 use crate::*;
 
 pub struct cd;
@@ -242,3 +243,34 @@ impl Builtin for escape {
         Ok(())
     }
 }
+
+pub struct parse;
+impl Builtin for parse {
+    fn name(&self) -> &str {
+        "parse"
+    }
+
+    fn io(
+        &self,
+        _session: Arc<Mutex<Session>>,
+        args: &[BString],
+        _stdin: &mut dyn Read,
+        stdout: &mut dyn Write,
+    ) -> Result {
+        let mut is_ok = true;
+        for arg in args {
+            match crate::parse::do_parse(arg) {
+                Ok(parsed) => {
+                    write!(stdout, "ok ")?;
+                    parsed.cdisplay(stdout)?;
+                    writeln!(stdout)?;
+                },
+                Err(err) => {
+                    is_ok = false;
+                    writeln!(stdout, "err {err:?}")?;
+                }
+            }
+        }
+        if is_ok { Ok(()) } else { Err(Error::Exit(-1)) }
+    }
+}
-- 
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