1 files changed, 51 insertions, 0 deletions
diff --git a/src/libsyntax/diagnostics/macros.rs b/src/libsyntax/diagnostics/macros.rs
new file mode 100644
index 00000000000..b0260e1180f
--- /dev/null
+++ b/src/libsyntax/diagnostics/macros.rs
@@ -0,0 +1,51 @@
+// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![macro_escape]
+
+// NOTE: remove after next snapshot
+#[cfg(stage0)]
+#[macro_export]
+macro_rules! __register_diagnostic(
+    ($code:tt, $description:tt) => ();
+    ($code:tt) => ()
+)
+
+#[macro_export]
+macro_rules! register_diagnostic(
+    ($code:tt, $description:tt) => (__register_diagnostic!($code, $description));
+    ($code:tt) => (__register_diagnostic!($code))
+)
+
+// NOTE: remove after next snapshot
+#[cfg(stage0)]
+#[macro_export]
+macro_rules! __build_diagnostic_array(
+    ($name:ident) => {
+        pub static $name: [(&'static str, &'static str), ..0] = [];
+    }
+)
+
+// NOTE: remove after next snapshot
+#[cfg(stage0)]
+#[macro_export]
+macro_rules! __diagnostic_used(
+    ($code:ident) => {
+        ()
+    }
+)
+
+#[macro_export]
+macro_rules! span_err(
+    ($session:expr, $span:expr, $code:ident, $($arg:expr),*) => ({
+        __diagnostic_used!($code);
+        ($session).span_err_with_code($span, format!($($arg),*).as_slice(), stringify!($code))
+    })
+)