librustc: De-`@mut` the span handler

3 files changed, 10 insertions, 10 deletions

diff --git a/src/libsyntax/parse/comments.rs b/src/libsyntax/parse/comments.rs
index 248f5fe3ffb..e0ab7f1535d 100644
--- a/src/libsyntax/parse/comments.rs
+++ b/src/libsyntax/parse/comments.rs
@@ -347,7 +347,7 @@ pub struct lit {
 // it appears this function is called only from pprust... that's
 // probably not a good thing.
 pub fn gather_comments_and_literals(span_diagnostic:
-                                    @mut diagnostic::SpanHandler,
+                                        @diagnostic::SpanHandler,
                                     path: @str,
                                     srdr: &mut io::Reader)
                                  -> (~[cmnt], ~[lit]) {
diff --git a/src/libsyntax/parse/lexer.rs b/src/libsyntax/parse/lexer.rs
index e3b2c5406ba..5882749cdf1 100644
--- a/src/libsyntax/parse/lexer.rs
+++ b/src/libsyntax/parse/lexer.rs
@@ -29,7 +29,7 @@ pub trait reader {
     fn is_eof(@self) -> bool;
     fn next_token(@self) -> TokenAndSpan;
     fn fatal(@self, ~str) -> !;
-    fn span_diag(@self) -> @mut SpanHandler;
+    fn span_diag(@self) -> @SpanHandler;
     fn peek(@self) -> TokenAndSpan;
     fn dup(@self) -> @reader;
 }
@@ -41,7 +41,7 @@ pub struct TokenAndSpan {
 }
 
 pub struct StringReader {
-    span_diagnostic: @mut SpanHandler,
+    span_diagnostic: @SpanHandler,
     src: @str,
     // The absolute offset within the codemap of the next character to read
     pos: Cell<BytePos>,
@@ -57,7 +57,7 @@ pub struct StringReader {
     peek_span: RefCell<Span>,
 }
 
-pub fn new_string_reader(span_diagnostic: @mut SpanHandler,
+pub fn new_string_reader(span_diagnostic: @SpanHandler,
                          filemap: @codemap::FileMap)
                       -> @StringReader {
     let r = new_low_level_string_reader(span_diagnostic, filemap);
@@ -66,7 +66,7 @@ pub fn new_string_reader(span_diagnostic: @mut SpanHandler,
 }
 
 /* For comments.rs, which hackily pokes into 'pos' and 'curr' */
-pub fn new_low_level_string_reader(span_diagnostic: @mut SpanHandler,
+pub fn new_low_level_string_reader(span_diagnostic: @SpanHandler,
                                    filemap: @codemap::FileMap)
                                 -> @StringReader {
     // Force the initial reader bump to start on a fresh line
@@ -121,7 +121,7 @@ impl reader for StringReader {
     fn fatal(@self, m: ~str) -> ! {
         self.span_diagnostic.span_fatal(self.peek_span.get(), m)
     }
-    fn span_diag(@self) -> @mut SpanHandler { self.span_diagnostic }
+    fn span_diag(@self) -> @SpanHandler { self.span_diagnostic }
     fn peek(@self) -> TokenAndSpan {
         // XXX(pcwalton): Bad copy!
         TokenAndSpan {
@@ -145,7 +145,7 @@ impl reader for TtReader {
     fn fatal(@self, m: ~str) -> ! {
         self.sp_diag.span_fatal(self.cur_span.get(), m);
     }
-    fn span_diag(@self) -> @mut SpanHandler { self.sp_diag }
+    fn span_diag(@self) -> @SpanHandler { self.sp_diag }
     fn peek(@self) -> TokenAndSpan {
         TokenAndSpan {
             tok: self.cur_tok.get(),
diff --git a/src/libsyntax/parse/mod.rs b/src/libsyntax/parse/mod.rs
index 21fdf1d2327..c20e7f4aaec 100644
--- a/src/libsyntax/parse/mod.rs
+++ b/src/libsyntax/parse/mod.rs
@@ -42,7 +42,7 @@ pub mod obsolete;
 // info about a parsing session.
 pub struct ParseSess {
     cm: @codemap::CodeMap, // better be the same as the one in the reader!
-    span_diagnostic: @mut SpanHandler, // better be the same as the one in the reader!
+    span_diagnostic: @SpanHandler, // better be the same as the one in the reader!
     /// Used to determine and report recursive mod inclusions
     included_mod_stack: RefCell<~[Path]>,
 }
@@ -56,9 +56,9 @@ pub fn new_parse_sess(demitter: Option<@Emitter>) -> @ParseSess {
     }
 }
 
-pub fn new_parse_sess_special_handler(sh: @mut SpanHandler,
+pub fn new_parse_sess_special_handler(sh: @SpanHandler,
                                       cm: @codemap::CodeMap)
-                                   -> @ParseSess {
+                                      -> @ParseSess {
     @ParseSess {
         cm: cm,
         span_diagnostic: sh,