Step one towards new type param kind syntax

Issue #1067

Needs a snapshot to finalize.

2 files changed, 7 insertions, 3 deletions

diff --git a/src/comp/syntax/parse/parser.rs b/src/comp/syntax/parse/parser.rs
index 4df2b6ab3cf..9f478f7969f 100644
--- a/src/comp/syntax/parse/parser.rs
+++ b/src/comp/syntax/parse/parser.rs
@@ -1739,7 +1739,11 @@ fn parse_ty_param(p: parser) -> ast::ty_param {
         alt p.peek() {
           token::TILDE. { p.bump(); ast::kind_unique }
           token::AT. { p.bump(); ast::kind_shared }
-          _ { ast::kind_pinned }
+          _ {
+            if eat_word(p, "pinned") { ast::kind_pinned }
+            else if eat_word(p, "unique") { ast::kind_unique }
+            else { ast::kind_shared }
+          }
         };
     ret {ident: parse_ident(p), kind: k};
 }
diff --git a/src/comp/syntax/print/pprust.rs b/src/comp/syntax/print/pprust.rs
index 91e3f2ffb59..e95ce36252f 100644
--- a/src/comp/syntax/print/pprust.rs
+++ b/src/comp/syntax/print/pprust.rs
@@ -1193,8 +1193,8 @@ fn print_arg_mode(s: ps, m: ast::mode) {
 
 fn print_kind(s: ps, kind: ast::kind) {
     alt kind {
-      ast::kind_unique. { word(s.s, "~"); }
-      ast::kind_shared. { word(s.s, "@"); }
+      ast::kind_unique. { word_nbsp(s, "unique"); }
+      ast::kind_pinned. { word_nbsp(s, "pinned"); }
       _ {/* fallthrough */ }
     }
 }