[Jython-checkins] SF.net SVN: jython:[5882] branches/jy3k

[<fwi...@us...>]

Revision: 5882
          http://jython.svn.sourceforge.net/jython/?rev=5882&view=rev
Author:   fwierzbicki
Date:     2009-01-08 16:48:06 +0000 (Thu, 08 Jan 2009)

Log Message:
-----------
Add binary literal.

Modified Paths:
--------------
    branches/jy3k/grammar/Python.g
    branches/jy3k/src/org/python/antlr/GrammarActions.java

Modified: branches/jy3k/grammar/Python.g
===================================================================
--- branches/jy3k/grammar/Python.g	2009-01-08 16:38:16 UTC (rev 5881)
+++ branches/jy3k/grammar/Python.g	2009-01-08 16:48:06 UTC (rev 5882)
@@ -1699,7 +1699,10 @@
         '0' ('x' | 'X') ( '0' .. '9' | 'a' .. 'f' | 'A' .. 'F' )+
     |   // Octal
         '0' ('o' | 'O') ( '0' .. '7' )*
-    |   '0'..'9' DIGITS*
+    |   // Binary
+        '0' ('b' | 'B') ( '0' .. '1' )*
+    |   // Decimal
+        '0'..'9' DIGITS*
     ;
 
 COMPLEX

Modified: branches/jy3k/src/org/python/antlr/GrammarActions.java
===================================================================
--- branches/jy3k/src/org/python/antlr/GrammarActions.java	2009-01-08 16:38:16 UTC (rev 5881)
+++ branches/jy3k/src/org/python/antlr/GrammarActions.java	2009-01-08 16:48:06 UTC (rev 5882)
@@ -374,6 +374,9 @@
         } else if (s.startsWith("0o") || s.startsWith("0O")) {
             radix = 8;
             s = s.substring(2, s.length());
+        } else if (s.startsWith("0b") || s.startsWith("0B")) {
+            radix = 2;
+            s = s.substring(2, s.length());
         }
         if (s.endsWith("L") || s.endsWith("l")) {
             s = s.substring(0, s.length()-1);


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