[pypy-commit] pypy default: Translation patch by Juergen Boemmels.

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: 
Changeset: r46776:f6cc493a7f4c
Date: 2011-08-26 06:00 +0200
http://bitbucket.org/pypy/pypy/changeset/f6cc493a7f4c/

Log:	Translation patch by Juergen Boemmels.

diff --git a/pypy/rlib/parsing/makepackrat.py b/pypy/rlib/parsing/makepackrat.py
--- a/pypy/rlib/parsing/makepackrat.py
+++ b/pypy/rlib/parsing/makepackrat.py
@@ -251,9 +251,11 @@
         return "ErrorInformation(%s, %s)" % (self.pos, self.expected)
 
     def get_line_column(self, source):
-        uptoerror = source[:self.pos]
+        pos = self.pos
+        assert pos >= 0
+        uptoerror = source[:pos]
         lineno = uptoerror.count("\n")
-        columnno = self.pos - uptoerror.rfind("\n")
+        columnno = pos - uptoerror.rfind("\n")
         return lineno, columnno
 
     def nice_error_message(self, filename='<filename>', source=""):