De-@ codemap and diagnostic.

2 files changed, 12 insertions, 13 deletions

diff --git a/src/libsyntax/ext/tt/macro_rules.rs b/src/libsyntax/ext/tt/macro_rules.rs
index 4cacbfd6e5a..3f4ed0b1e8e 100644
--- a/src/libsyntax/ext/tt/macro_rules.rs
+++ b/src/libsyntax/ext/tt/macro_rules.rs
@@ -131,13 +131,11 @@ fn generic_extension(cx: &ExtCtxt,
     let mut best_fail_spot = DUMMY_SP;
     let mut best_fail_msg = ~"internal error: ran no matchers";
 
-    let s_d = cx.parse_sess().span_diagnostic;
-
     for (i, lhs) in lhses.iter().enumerate() { // try each arm's matchers
         match **lhs {
           MatchedNonterminal(NtMatchers(ref mtcs)) => {
             // `None` is because we're not interpolating
-            let arg_rdr = new_tt_reader(s_d,
+            let arg_rdr = new_tt_reader(&cx.parse_sess().span_diagnostic,
                                         None,
                                         arg.iter()
                                            .map(|x| (*x).clone())
@@ -162,7 +160,8 @@ fn generic_extension(cx: &ExtCtxt,
                     _ => cx.span_bug(sp, "bad thing in rhs")
                 };
                 // rhs has holes ( `$id` and `$(...)` that need filled)
-                let trncbr = new_tt_reader(s_d, Some(named_matches),
+                let trncbr = new_tt_reader(&cx.parse_sess().span_diagnostic,
+                                           Some(named_matches),
                                            rhs);
                 let p = Parser(cx.parse_sess(), cx.cfg(), ~trncbr);
                 // Let the context choose how to interpret the result.
@@ -218,7 +217,7 @@ pub fn add_new_extension(cx: &mut ExtCtxt,
 
 
     // Parse the macro_rules! invocation (`none` is for no interpolations):
-    let arg_reader = new_tt_reader(cx.parse_sess().span_diagnostic,
+    let arg_reader = new_tt_reader(&cx.parse_sess().span_diagnostic,
                                    None,
                                    arg.clone());
     let argument_map = parse_or_else(cx.parse_sess(),
diff --git a/src/libsyntax/ext/tt/transcribe.rs b/src/libsyntax/ext/tt/transcribe.rs
index a3f179e851a..e120f07742e 100644
--- a/src/libsyntax/ext/tt/transcribe.rs
+++ b/src/libsyntax/ext/tt/transcribe.rs
@@ -30,8 +30,8 @@ struct TtFrame {
     up: Option<@TtFrame>,
 }
 
-pub struct TtReader {
-    sp_diag: @SpanHandler,
+pub struct TtReader<'a> {
+    sp_diag: &'a SpanHandler,
     // the unzipped tree:
     priv stack: RefCell<@TtFrame>,
     /* for MBE-style macro transcription */
@@ -46,10 +46,10 @@ pub struct TtReader {
 /** This can do Macro-By-Example transcription. On the other hand, if
  *  `src` contains no `TTSeq`s and `TTNonterminal`s, `interp` can (and
  *  should) be none. */
-pub fn new_tt_reader(sp_diag: @SpanHandler,
-                     interp: Option<HashMap<Ident, @NamedMatch>>,
-                     src: Vec<ast::TokenTree> )
-                     -> TtReader {
+pub fn new_tt_reader<'a>(sp_diag: &'a SpanHandler,
+                         interp: Option<HashMap<Ident, @NamedMatch>>,
+                         src: Vec<ast::TokenTree> )
+                         -> TtReader<'a> {
     let r = TtReader {
         sp_diag: sp_diag,
         stack: RefCell::new(@TtFrame {
@@ -70,7 +70,7 @@ pub fn new_tt_reader(sp_diag: @SpanHandler,
         cur_span: RefCell::new(DUMMY_SP),
     };
     tt_next_token(&r); /* get cur_tok and cur_span set up */
-    return r;
+    r
 }
 
 fn dup_tt_frame(f: @TtFrame) -> @TtFrame {
@@ -86,7 +86,7 @@ fn dup_tt_frame(f: @TtFrame) -> @TtFrame {
     }
 }
 
-pub fn dup_tt_reader(r: &TtReader) -> TtReader {
+pub fn dup_tt_reader<'a>(r: &TtReader<'a>) -> TtReader<'a> {
     TtReader {
         sp_diag: r.sp_diag,
         stack: RefCell::new(dup_tt_frame(r.stack.get())),