From c669ccf3d30da3eb505832d0872bf03607eb98eb Mon Sep 17 00:00:00 2001
From: Luqman Aden <laden@csclub.uwaterloo.ca>
Date: Fri, 25 Oct 2013 01:56:34 -0400
Subject: libsyntax/librustc: Allow calling variadic foreign functions.

---
 src/libsyntax/parse/lexer.rs | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

(limited to 'src/libsyntax/parse/lexer.rs')

diff --git a/src/libsyntax/parse/lexer.rs b/src/libsyntax/parse/lexer.rs
index 7ac999c46a4..49445312a12 100644
--- a/src/libsyntax/parse/lexer.rs
+++ b/src/libsyntax/parse/lexer.rs
@@ -664,12 +664,18 @@ fn next_token_inner(rdr: @mut StringReader) -> token::Token {
       ';' => { bump(rdr); return token::SEMI; }
       ',' => { bump(rdr); return token::COMMA; }
       '.' => {
-        bump(rdr);
-        if rdr.curr == '.' && nextch(rdr) != '.' {
-            bump(rdr);
-            return token::DOTDOT;
-        }
-        return token::DOT;
+          bump(rdr);
+          return if rdr.curr == '.' {
+              bump(rdr);
+              if rdr.curr == '.' {
+                  bump(rdr);
+                  token::DOTDOTDOT
+              } else {
+                  token::DOTDOT
+              }
+          } else {
+              token::DOT
+          };
       }
       '(' => { bump(rdr); return token::LPAREN; }
       ')' => { bump(rdr); return token::RPAREN; }
-- 
cgit 1.4.1-3-g733a5