---

yaml
---
r: 79713
b: refs/heads/try
c: d8276e7
h: refs/heads/master
i:
  79711: a3f9ced
v: v3

Author: jbclements

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: ba9fa89bfb4aae53db93e9ecac31807af96356fc
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 54ae2800ffb30513f89ce13d27ac3c8d095d98ac
-refs/heads/try: 6c6d053b0177ed91071128aa5a2f57539e746987
+refs/heads/try: d8276e75f048955b496b1ef9ca1b3e11ca5bc306
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
 refs/heads/try2: 147ecfdd8221e4a4d4e090486829a06da1e0ca3c

branches/try/src/libsyntax/ast.rs

@@ -568,6 +568,7 @@ pub enum token_tree {
     // a delimited sequence (the delimiters appear as the first
     // and last elements of the vector)
     tt_delim(@mut ~[token_tree]),
+
     // These only make sense for right-hand-sides of MBE macros:
 
     // a kleene-style repetition sequence with a span, a tt_forest,
@@ -646,6 +647,10 @@ pub enum matcher_ {
 
 pub type mac = Spanned<mac_>;
 
+// represents a macro invocation. The Path indicates which macro
+// is being invoked, and the vector of token-trees contains the source
+// of the macro invocation.
+// There's only one flavor, now, so this could presumably be simplified.
 #[deriving(Clone, Eq, Encodable, Decodable, IterBytes)]
 pub enum mac_ {
     mac_invoc_tt(Path,~[token_tree]),   // new macro-invocation