From 66f00a994437a02a8a2dac81ccdceb88d7013c83 Mon Sep 17 00:00:00 2001
From: Darik Gamble <darik.gamble@gmail.com>
Date: Wed, 4 Mar 2015 10:34:47 -0500
Subject: Move _find_matching to a module-level function

---
 sqlparse/engine/grouping.py | 24 +++++++++++++-----------
 1 file changed, 13 insertions(+), 11 deletions(-)

(limited to 'sqlparse/engine')

diff --git a/sqlparse/engine/grouping.py b/sqlparse/engine/grouping.py
index 9314b89..0be44da 100644
--- a/sqlparse/engine/grouping.py
+++ b/sqlparse/engine/grouping.py
@@ -51,19 +51,21 @@ def _group_left_right(tlist, ttype, value, cls,
                                            ttype, value)
 
 
+def _find_matching(idx, tlist, start_ttype, start_value, end_ttype, end_value):
+    depth = 1
+    for tok in tlist.tokens[idx:]:
+        if tok.match(start_ttype, start_value):
+            depth += 1
+        elif tok.match(end_ttype, end_value):
+            depth -= 1
+            if depth == 1:
+                return tok
+    return None
+
+
 def _group_matching(tlist, start_ttype, start_value, end_ttype, end_value,
                     cls, include_semicolon=False, recurse=False):
-    def _find_matching(i, tl, stt, sva, ett, eva):
-        depth = 1
-        for n in xrange(i, len(tl.tokens)):
-            t = tl.tokens[n]
-            if t.match(stt, sva):
-                depth += 1
-            elif t.match(ett, eva):
-                depth -= 1
-                if depth == 1:
-                    return t
-        return None
+
     [_group_matching(sgroup, start_ttype, start_value, end_ttype, end_value,
                      cls, include_semicolon) for sgroup in tlist.get_sublists()
      if recurse]
-- 
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