From f750daa29a2278fa341811f9761b40cfaba59d6f Mon Sep 17 00:00:00 2001
From: Armin Ronacher <armin.ronacher@active-4.com>
Date: Tue, 29 May 2007 23:22:38 +0200
Subject: [PATCH] [svn] improved generic "EOF while lexing" exception message
 so that it tells about unbalanced parentheses.

--HG--
branch : trunk
---
 jinja/lexer.py | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/jinja/lexer.py b/jinja/lexer.py
index 825722b..d761d54 100644
--- a/jinja/lexer.py
+++ b/jinja/lexer.py
@@ -311,10 +311,15 @@ class Lexer(object):
                         elif data == '[':
                             balancing_stack.append(']')
                         elif data in ('}', ')', ']'):
-                            if not balancing_stack or \
-                               balancing_stack.pop() != data:
-                                raise TemplateSyntaxError('unexpected EOF '
-                                                          'while lexing',
+                            if not balancing_stack:
+                                raise TemplateSyntaxError('unexpected "%s"' %
+                                                          data, lineno,
+                                                          filename)
+                            expected_op = balancing_stack.pop()
+                            if expected_op != data:
+                                raise TemplateSyntaxError('unexpected "%s", '
+                                                          'expected "%s"' %
+                                                          (data, expected_op),
                                                           lineno, filename)
                     # yield items
                     if tokens is not None:
-- 
2.26.2