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