To: vim-dev@vim.org
Subject: Patch 7.0.140
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 7.0.140 (after 7.0.134)
Problem:    Comparing recursively looped List or Dictionary doesn't work well.
Solution:   Detect comparing a List or Dictionary with itself.
Files:	    src/eval.c


*** ../vim-7.0.139/src/eval.c	Sun Oct 15 22:38:41 2006
--- src/eval.c	Sun Oct 15 22:30:09 2006
***************
*** 5451,5456 ****
--- 5451,5458 ----
  {
      listitem_T	*item1, *item2;
  
+     if (l1 == l2)
+ 	return TRUE;
      if (list_len(l1) != list_len(l2))
  	return FALSE;
  
***************
*** 5487,5492 ****
--- 5489,5496 ----
      dictitem_T	*item2;
      int		todo;
  
+     if (d1 == d2)
+ 	return TRUE;
      if (dict_len(d1) != dict_len(d2))
  	return FALSE;
  
***************
*** 5522,5531 ****
      static int  recursive = 0;	    /* cach recursive loops */
      int		r;
  
!     /* Catch lists and dicts that have an endless loop by limiting
!      * recursiveness to 1000. */
!     if (tv1->v_type != tv2->v_type || recursive >= 1000)
  	return FALSE;
  
      switch (tv1->v_type)
      {
--- 5526,5537 ----
      static int  recursive = 0;	    /* cach recursive loops */
      int		r;
  
!     if (tv1->v_type != tv2->v_type)
  	return FALSE;
+     /* Catch lists and dicts that have an endless loop by limiting
+      * recursiveness to 1000.  We guess they are equal then. */
+     if (recursive >= 1000)
+ 	return TRUE;
  
      switch (tv1->v_type)
      {
*** ../vim-7.0.139/src/version.c	Tue Oct 17 13:39:36 2006
--- src/version.c	Tue Oct 17 15:15:04 2006
***************
*** 668,669 ****
--- 668,671 ----
  {   /* Add new patch number below this line */
+ /**/
+     140,
  /**/

-- 
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 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
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