1 files changed, 48 insertions, 0 deletions
diff --git a/src/libstd/rt/macros.rs b/src/libstd/rt/macros.rs
new file mode 100644
index 00000000000..c6ff3427c15
--- /dev/null
+++ b/src/libstd/rt/macros.rs
@@ -0,0 +1,48 @@
+// Copyright 2012 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.
+
+//! Macros used by the runtime.
+//!
+//! These macros call functions which are only accessible in the `rt` module, so
+//! they aren't defined anywhere outside of the `rt` module.
+
+#[macro_escape];
+
+macro_rules! rterrln (
+    ($($arg:tt)*) => ( {
+        format_args!(::rt::util::dumb_println, $($arg)*)
+    } )
+)
+
+// Some basic logging. Enabled by passing `--cfg rtdebug` to the libstd build.
+macro_rules! rtdebug (
+    ($($arg:tt)*) => ( {
+        if cfg!(rtdebug) {
+            rterrln!($($arg)*)
+        }
+    })
+)
+
+macro_rules! rtassert (
+    ( $arg:expr ) => ( {
+        if ::rt::util::ENFORCE_SANITY {
+            if !$arg {
+                rtabort!("assertion failed: {}", stringify!($arg));
+            }
+        }
+    } )
+)
+
+
+macro_rules! rtabort (
+    ($($msg:tt)*) => ( {
+        ::rt::util::abort(format!($($msg)*));
+    } )
+)