1 files changed, 38 insertions, 0 deletions
diff --git a/src/libsyntax_expand/lib.rs b/src/libsyntax_expand/lib.rs
new file mode 100644
index 00000000000..88e69d79397
--- /dev/null
+++ b/src/libsyntax_expand/lib.rs
@@ -0,0 +1,38 @@
+#![feature(crate_visibility_modifier)]
+#![feature(proc_macro_diagnostic)]
+#![feature(proc_macro_internals)]
+#![feature(proc_macro_span)]
+
+extern crate proc_macro as pm;
+
+// A variant of 'try!' that panics on an Err. This is used as a crutch on the
+// way towards a non-panic!-prone parser. It should be used for fatal parsing
+// errors; eventually we plan to convert all code using panictry to just use
+// normal try.
+#[macro_export]
+macro_rules! panictry {
+    ($e:expr) => ({
+        use std::result::Result::{Ok, Err};
+        use errors::FatalError;
+        match $e {
+            Ok(e) => e,
+            Err(mut e) => {
+                e.emit();
+                FatalError.raise()
+            }
+        }
+    })
+}
+
+mod placeholders;
+mod proc_macro_server;
+
+pub use syntax_pos::hygiene;
+pub use mbe::macro_rules::compile_declarative_macro;
+pub mod allocator;
+pub mod base;
+pub mod build;
+pub mod expand;
+pub mod proc_macro;
+
+crate mod mbe;