From 5c622b6ecbb47cfcef7322047217665bda5675b7 Mon Sep 17 00:00:00 2001
From: Patrick Walton <pcwalton@mimiga.net>
Date: Wed, 13 Oct 2010 11:02:56 -0700
Subject: [PATCH] rustc: Lex identifiers that have numbers in them too

---
 src/comp/front/lexer.rs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/comp/front/lexer.rs b/src/comp/front/lexer.rs
index f38f5024fe0..9ff12f1c086 100644
--- a/src/comp/front/lexer.rs
+++ b/src/comp/front/lexer.rs
@@ -204,6 +204,10 @@ fn is_dec_digit(char c) -> bool {
     ret in_range(c, '0', '9');
 }
 
+fn is_alnum(char c) -> bool {
+    ret is_alpha(c) || is_dec_digit(c);
+}
+
 fn is_hex_digit(char c) -> bool {
     ret in_range(c, '0', '9') ||
         in_range(c, 'a', 'f') ||
@@ -304,8 +308,8 @@ io fn next_token(reader rdr) -> token.token {
 
     auto c = rdr.curr();
 
-    if (is_alpha(c)) {
-        while (is_alpha(c) || c == '_') {
+    if (is_alpha(c) || c == '_') {
+        while (is_alnum(c) || c == '_') {
             accum_str += (c as u8);
             rdr.bump();
             c = rdr.curr();