1 files changed, 21 insertions, 0 deletions
diff --git a/third_party/rust/clap_derive/src/macros.rs b/third_party/rust/clap_derive/src/macros.rs
new file mode 100644
index 0000000000..282048bc17
--- /dev/null
+++ b/third_party/rust/clap_derive/src/macros.rs
@@ -0,0 +1,21 @@
+macro_rules! format_err {
+    ($obj:expr, $($format:tt)+) => {{
+        #[allow(unused_imports)]
+        use $crate::utils::error::*;
+        let msg = format!($($format)+);
+        $obj.EXPECTED_Span_OR_ToTokens(msg)
+    }};
+}
+
+macro_rules! abort {
+    ($obj:expr, $($format:tt)+) => {{
+        return Err(format_err!($obj, $($format)+));
+    }};
+}
+
+macro_rules! abort_call_site {
+    ($($format:tt)+) => {{
+        let span = proc_macro2::Span::call_site();
+        abort!(span, $($format)+)
+    }};
+}