From bccdba02960b3cd428addbc2c856065ebb81eb04 Mon Sep 17 00:00:00 2001
From: Simon Sapin <simon.sapin@exyr.org>
Date: Fri, 6 Jun 2014 16:04:04 +0100
Subject: Add a b'x' byte literal of type u8.

---
 src/libsyntax/ext/concat.rs | 1 +
 src/libsyntax/ext/quote.rs  | 6 ++++++
 2 files changed, 7 insertions(+)

(limited to 'src/libsyntax/ext')

diff --git a/src/libsyntax/ext/concat.rs b/src/libsyntax/ext/concat.rs
index 83f45ca9f16..670e38327d6 100644
--- a/src/libsyntax/ext/concat.rs
+++ b/src/libsyntax/ext/concat.rs
@@ -47,6 +47,7 @@ pub fn expand_syntax_ext(cx: &mut base::ExtCtxt,
                     ast::LitBool(b) => {
                         accumulator.push_str(format!("{}", b).as_slice());
                     }
+                    ast::LitByte(..) |
                     ast::LitBinary(..) => {
                         cx.span_err(e.span, "cannot concatenate a binary literal");
                     }
diff --git a/src/libsyntax/ext/quote.rs b/src/libsyntax/ext/quote.rs
index 6514d8fa418..407715ab4da 100644
--- a/src/libsyntax/ext/quote.rs
+++ b/src/libsyntax/ext/quote.rs
@@ -436,6 +436,12 @@ fn mk_token(cx: &ExtCtxt, sp: Span, tok: &token::Token) -> Gc<ast::Expr> {
                                 vec!(mk_binop(cx, sp, binop)));
         }
 
+        LIT_BYTE(i) => {
+            let e_byte = cx.expr_lit(sp, ast::LitByte(i));
+
+            return cx.expr_call(sp, mk_token_path(cx, sp, "LIT_BYTE"), vec!(e_byte));
+        }
+
         LIT_CHAR(i) => {
             let e_char = cx.expr_lit(sp, ast::LitChar(i));
 
-- 
cgit 1.4.1-3-g733a5