8b9a1c
To: vim_dev@googlegroups.com
8b9a1c
Subject: Patch 7.4.020
8b9a1c
Fcc: outbox
8b9a1c
From: Bram Moolenaar <Bram@moolenaar.net>
8b9a1c
Mime-Version: 1.0
8b9a1c
Content-Type: text/plain; charset=UTF-8
8b9a1c
Content-Transfer-Encoding: 8bit
8b9a1c
------------
8b9a1c
8b9a1c
Patch 7.4.020
8b9a1c
Problem:    NFA engine matches too much with \@>. (John McGowan)
8b9a1c
Solution:   When a whole pattern match is found stop searching.
8b9a1c
Files:	    src/regexp_nfa.c, src/testdir/test64.in, src/testdir/test64.ok
8b9a1c
8b9a1c
8b9a1c
*** ../vim-7.4.019/src/regexp_nfa.c	2013-08-25 17:01:36.000000000 +0200
8b9a1c
--- src/regexp_nfa.c	2013-09-05 15:59:44.000000000 +0200
8b9a1c
***************
8b9a1c
*** 5322,5328 ****
8b9a1c
  		log_subsexpr(m);
8b9a1c
  #endif
8b9a1c
  		nfa_match = TRUE;
8b9a1c
! 		break;
8b9a1c
  
8b9a1c
  	    case NFA_START_INVISIBLE:
8b9a1c
  	    case NFA_START_INVISIBLE_FIRST:
8b9a1c
--- 5322,5331 ----
8b9a1c
  		log_subsexpr(m);
8b9a1c
  #endif
8b9a1c
  		nfa_match = TRUE;
8b9a1c
! 		/* See comment above at "goto nextchar". */
8b9a1c
! 		if (nextlist->n == 0)
8b9a1c
! 		    clen = 0;
8b9a1c
! 		goto nextchar;
8b9a1c
  
8b9a1c
  	    case NFA_START_INVISIBLE:
8b9a1c
  	    case NFA_START_INVISIBLE_FIRST:
8b9a1c
*** ../vim-7.4.019/src/testdir/test64.in	2013-08-14 13:31:03.000000000 +0200
8b9a1c
--- src/testdir/test64.in	2013-09-05 15:35:44.000000000 +0200
8b9a1c
***************
8b9a1c
*** 427,432 ****
8b9a1c
--- 427,433 ----
8b9a1c
  :""""" \@>
8b9a1c
  :call add(tl, [2, '\(a*\)\@>a', 'aaaa'])
8b9a1c
  :call add(tl, [2, '\(a*\)\@>b', 'aaab', 'aaab', 'aaa'])
8b9a1c
+ :call add(tl, [2, '^\(.\{-}b\)\@>.', '  abcbd', '  abc', '  ab'])
8b9a1c
  :" TODO: BT engine does not restore submatch after failure
8b9a1c
  :call add(tl, [1, '\(a*\)\@>a\|a\+', 'aaaa', 'aaaa'])
8b9a1c
  :"
8b9a1c
*** ../vim-7.4.019/src/testdir/test64.ok	2013-08-14 13:31:03.000000000 +0200
8b9a1c
--- src/testdir/test64.ok	2013-09-05 16:03:34.000000000 +0200
8b9a1c
***************
8b9a1c
*** 983,988 ****
8b9a1c
--- 983,991 ----
8b9a1c
  OK 0 - \(a*\)\@>b
8b9a1c
  OK 1 - \(a*\)\@>b
8b9a1c
  OK 2 - \(a*\)\@>b
8b9a1c
+ OK 0 - ^\(.\{-}b\)\@>.
8b9a1c
+ OK 1 - ^\(.\{-}b\)\@>.
8b9a1c
+ OK 2 - ^\(.\{-}b\)\@>.
8b9a1c
  OK 0 - \(a*\)\@>a\|a\+
8b9a1c
  OK 2 - \(a*\)\@>a\|a\+
8b9a1c
  OK 0 - \_[^8-9]\+
8b9a1c
*** ../vim-7.4.019/src/version.c	2013-09-05 13:50:49.000000000 +0200
8b9a1c
--- src/version.c	2013-09-05 16:04:32.000000000 +0200
8b9a1c
***************
8b9a1c
*** 740,741 ****
8b9a1c
--- 740,743 ----
8b9a1c
  {   /* Add new patch number below this line */
8b9a1c
+ /**/
8b9a1c
+     20,
8b9a1c
  /**/
8b9a1c
8b9a1c
-- 
8b9a1c
hundred-and-one symptoms of being an internet addict:
8b9a1c
173. You keep tracking down the email addresses of all your friends
8b9a1c
     (even childhood friends).
8b9a1c
8b9a1c
 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
8b9a1c
///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
8b9a1c
\\\  an exciting new programming language -- http://www.Zimbu.org        ///
8b9a1c
 \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///