From 8c5c0684ac61ab7d0c5e77881728c8106f2877f9 Mon Sep 17 00:00:00 2001
From: Andi Albrecht <albrecht.andi@gmail.com>
Date: Sat, 17 Jan 2015 09:01:11 +0100
Subject: Group comments to parent object (fixes #160).

---
 sqlparse/engine/grouping.py | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

(limited to 'sqlparse/engine')

diff --git a/sqlparse/engine/grouping.py b/sqlparse/engine/grouping.py
index 5189f7e..d6f1360 100644
--- a/sqlparse/engine/grouping.py
+++ b/sqlparse/engine/grouping.py
@@ -370,6 +370,23 @@ def group_order(tlist):
         token = tlist.token_next_by_type(idx, T.Keyword.Order)
 
 
+def align_comments(tlist):
+    [align_comments(sgroup) for sgroup in tlist.get_sublists()]
+    idx = 0
+    token = tlist.token_next_by_instance(idx, sql.Comment)
+    while token:
+        before = tlist.token_prev(tlist.token_index(token))
+        if isinstance(before, sql.TokenList):
+            grp = tlist.tokens_between(before, token)[1:]
+            before.tokens.extend(grp)
+            for t in grp:
+                tlist.tokens.remove(t)
+            idx = tlist.token_index(before) + 1
+        else:
+            idx = tlist.token_index(token) + 1
+        token = tlist.token_next_by_instance(idx, sql.Comment)
+
+
 def group(tlist):
     for func in [
             group_comments,
@@ -384,9 +401,11 @@ def group(tlist):
             group_aliased,
             group_assignment,
             group_comparison,
+            align_comments,
             group_identifier_list,
             group_if,
             group_for,
             group_foreach,
-            group_begin]:
+            group_begin,
+            ]:
         func(tlist)
-- 
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