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Subject: Patch 7.3.988

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From: Bram Moolenaar <Bram@moolenaar.net>

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------------

Patch 7.3.988

Problem:    New regexp engine is slow.

Solution:   Break out of the loop when the state list is empty.

Files:	    src/regexp_nfa.c

*** ../vim-7.3.987/src/regexp_nfa.c	2013-05-21 12:43:52.000000000 +0200

--- src/regexp_nfa.c	2013-05-21 14:01:33.000000000 +0200

***************

*** 2951,2956 ****

--- 2951,2961 ----

  #ifdef NFA_REGEXP_DEBUG_LOG

  	fprintf(debug, "\n-------------------\n");

  #endif

+ 	/*

+ 	 * If the state lists are empty we can stop.

+ 	 */

+ 	if (thislist->n == 0 && neglist->n == 0)

+ 	    break;

  	/* compute nextlist */

  	for (i = 0; i < thislist->n || neglist->n > 0; ++i)

*** ../vim-7.3.987/src/version.c	2013-05-21 13:30:17.000000000 +0200

--- src/version.c	2013-05-21 14:02:12.000000000 +0200

***************

*** 730,731 ****

--- 730,733 ----

  {   /* Add new patch number below this line */

+ /**/

+     988,

  /**/

-- 

The chat program is in public domain.  This is not the GNU public license.

If it breaks then you get to keep both pieces.

		-- Copyright notice for the chat program

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

///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\

\\\  an exciting new programming language -- http://www.Zimbu.org        ///

 \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///