Fix hardcoded string in libsyntax

Author: emberian

src/libsyntax/parse/mod.rs

@@ -398,30 +398,8 @@ mod test {
     #[test] fn string_to_tts_1 () {
         let (tts,_ps) = string_to_tts_and_sess(@"fn a (b : int) { b; }");
         assert_eq!(to_json_str(@tts),
-                   ~"[\
-                [\"tt_tok\",null,[\"IDENT\",\"fn\",false]],\
-                [\"tt_tok\",null,[\"IDENT\",\"a\",false]],\
-                [\
-                    \"tt_delim\",\
-                    [\
-                        [\"tt_tok\",null,\"LPAREN\"],\
-                        [\"tt_tok\",null,[\"IDENT\",\"b\",false]],\
-                        [\"tt_tok\",null,\"COLON\"],\
-                        [\"tt_tok\",null,[\"IDENT\",\"int\",false]],\
-                        [\"tt_tok\",null,\"RPAREN\"]\
-                    ]\
-                ],\
-                [\
-                    \"tt_delim\",\
-                    [\
-                        [\"tt_tok\",null,\"LBRACE\"],\
-                        [\"tt_tok\",null,[\"IDENT\",\"b\",false]],\
-                        [\"tt_tok\",null,\"SEMI\"],\
-                        [\"tt_tok\",null,\"RBRACE\"]\
-                    ]\
-                ]\
-            ]"
-                  );
+        ~"[{\"variant\":\"tt_tok\",\"fields\":[null,{\"variant\":\"IDENT\",\"fields\":[\"fn\",false]}]},{\"variant\":\"tt_tok\",\"fields\":[null,{\"variant\":\"IDENT\",\"fields\":[\"a\",false]}]},{\"variant\":\"tt_delim\",\"fields\":[[{\"variant\":\"tt_tok\",\"fields\":[null,\"LPAREN\"]},{\"variant\":\"tt_tok\",\"fields\":[null,{\"variant\":\"IDENT\",\"fields\":[\"b\",false]}]},{\"variant\":\"tt_tok\",\"fields\":[null,\"COLON\"]},{\"variant\":\"tt_tok\",\"fields\":[null,{\"variant\":\"IDENT\",\"fields\":[\"int\",false]}]},{\"variant\":\"tt_tok\",\"fields\":[null,\"RPAREN\"]}]]},{\"variant\":\"tt_delim\",\"fields\":[[{\"variant\":\"tt_tok\",\"fields\":[null,\"LBRACE\"]},{\"variant\":\"tt_tok\",\"fields\":[null,{\"variant\":\"IDENT\",\"fields\":[\"b\",false]}]},{\"variant\":\"tt_tok\",\"fields\":[null,\"SEMI\"]},{\"variant\":\"tt_tok\",\"fields\":[null,\"RBRACE\"]}]]}]"
+        );
     }
 
     #[test] fn ret_expr() {