syntax: Add `tokens: Option<TokenStream>` to Item

This commit adds a new field to the `Item` AST node in libsyntax to optionally
contain the original token stream that the item itself was parsed from. This is
currently `None` everywhere but is intended for use later with procedural
macros.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/libsyntax_ext/global_asm.rs b/src/libsyntax_ext/global_asm.rs
index dc67e1c45f6..8b0bb8cb891 100644
--- a/src/libsyntax_ext/global_asm.rs
+++ b/src/libsyntax_ext/global_asm.rs
@@ -61,5 +61,6 @@ pub fn expand_global_asm<'cx>(cx: &'cx mut ExtCtxt,
         })),
         vis: ast::Visibility::Inherited,
         span: sp,
+        tokens: None,
     })))
 }