From 72cc89c8c3b744bb4afff193e42a5d66e5c70e2e Mon Sep 17 00:00:00 2001
From: Graydon Hoare <graydon@mozilla.com>
Date: Tue, 21 Sep 2010 08:30:06 -0700
Subject: Add QUES to comp/fe/lexer.rs, rustc can self-lex again.

---
 src/comp/fe/lexer.rs | 1 +
 src/comp/fe/token.rs | 2 ++
 2 files changed, 3 insertions(+)

(limited to 'src/comp/fe')

diff --git a/src/comp/fe/lexer.rs b/src/comp/fe/lexer.rs
index f68fcc05..a4fa6851 100644
--- a/src/comp/fe/lexer.rs
+++ b/src/comp/fe/lexer.rs
@@ -373,6 +373,7 @@ state fn next_token(reader rdr) -> token.token {
     alt (c) {
         // One-byte tokens.
         case (':') { rdr.bump(); ret token.COLON; }
+        case ('?') { rdr.bump(); ret token.QUES; }
         case (';') { rdr.bump(); ret token.SEMI; }
         case (',') { rdr.bump(); ret token.COMMA; }
         case ('.') { rdr.bump(); ret token.DOT; }
diff --git a/src/comp/fe/token.rs b/src/comp/fe/token.rs
index ca58d4fe..2ec7c7a0 100644
--- a/src/comp/fe/token.rs
+++ b/src/comp/fe/token.rs
@@ -43,6 +43,7 @@ tag token {
     COMMA;
     SEMI;
     COLON;
+    QUES;
     RARROW;
     SEND;
     LARROW;
@@ -202,6 +203,7 @@ fn to_str(token t) -> str {
         case (COMMA) { ret ","; }
         case (SEMI) { ret ";"; }
         case (COLON) { ret ":"; }
+        case (QUES) { ret "?"; }
         case (RARROW) { ret "->"; }
         case (SEND) { ret "<|"; }
         case (LARROW) { ret "<-"; }
-- 
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