From 5e77d3c8283f8087c595466897b06700c9296639 Mon Sep 17 00:00:00 2001
From: Jonas Maier <jonas@x77.dev>
Date: Fri, 6 Mar 2026 20:56:14 +0100
Subject: $? and $! parsed

---
 src/parse.rs | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/parse.rs b/src/parse.rs
index b2433a8..45bfdc0 100644
--- a/src/parse.rs
+++ b/src/parse.rs
@@ -34,7 +34,7 @@ pub enum Ast<T: Stage> {
 impl Ast<PreExpansion> {
     pub fn expand<E: Expander>(self, e: &mut E) -> Res<Ast<PostExpansion>, E::Error> {
         match self {
-            Ast::AssignVar(assign_var) => todo!(),
+            Ast::AssignVar(_) => todo!(),
             Ast::Pipes(pipes) => Ok(Ast::Pipes(pipes.expand(e)?)),
         }
     }
@@ -119,7 +119,7 @@ fn is_var_name(x: u8) -> bool {
 }
 
 #[derive(Debug, Clone)]
-struct VarName {
+pub struct VarName {
     name: BString,
 }
 
@@ -215,7 +215,10 @@ impl Parse for ExpString {
 
                 let x = b.peek();
 
-                if is_var_begin(x) {
+                if x == b'?' || x == b'!' {
+                    b.adv();
+                    p.push(StringPart::Var(VarName { name: vec![x] }))
+                } else if is_var_begin(x) {
                     let v = VarName::parse(b)?;
                     p.push(StringPart::Var(v));
                 } else if x == b'{' {
@@ -284,6 +287,7 @@ impl Command<PreExpansion> {
     }
 }
 
+#[allow(unused)]
 #[derive(Debug)]
 pub enum ParseError {
     /// "clean" EOF, i.e. not in the middle of something
@@ -292,8 +296,6 @@ pub enum ParseError {
     /// "unclean" EOF, i.e. EOF after beginning a quoted string
     Incomplete,
 
-    UnexpectedPipe,
-
     ExpectedAlphabetic,
 
     Unknown(u8),
-- 
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