Patch 7.4.100
Problem: NFA regexp doesn't handle backreference correctly. (Ryuichi
Hayashida, Urtica Dioica)
Solution: Always add NFA_SKIP, also when it already exists at the start
position.
Files: src/regexp_nfa.c, src/testdir/test64.in, src/testdir/test64.ok
*** ../vim-7.4.099/src/regexp_nfa.c 2013-10-06 15:46:06.000000000 +0200
--- src/regexp_nfa.c 2013-11-21 15:58:58.000000000 +0100
***************
*** 4278,4284 ****
* endless loop for "\(\)*" */
default:
! if (state->lastlist[nfa_ll_index] == l->id)
{
/* This state is already in the list, don't add it again,
* unless it is an MOPEN that is used for a backreference or
--- 4278,4284 ----
* endless loop for "\(\)*" */
default:
! if (state->lastlist[nfa_ll_index] == l->id && state->c != NFA_SKIP)
{
/* This state is already in the list, don't add it again,
* unless it is an MOPEN that is used for a backreference or
*** ../vim-7.4.099/src/testdir/test64.in 2013-09-25 18:16:34.000000000
+0200
--- src/testdir/test64.in 2013-11-21 15:58:19.000000000 +0100
***************
*** 406,411 ****
--- 406,412 ----
:call add(tl, [2, '^.*\.\(.*\)/.\+\(\1\)\@<!$', 'foo.bat/foo.bat'])
:call add(tl, [2, '^.*\.\(.*\)/.\+\(\1\)\@<=$', 'foo.bat/foo.bat',
'foo.bat/foo.bat', 'bat', 'bat'])
:call add(tl, [2, '\\\@<!\${\(\d\+\%(:.\{-}\)\?\\\@<!\)}', '2013-06-27${0}',
'${0}', '0'])
+ :call add(tl, [2, '^\(a*\)\1$', 'aaaaaaaa', 'aaaaaaaa', 'aaaa'])
:"
:"""" Look-behind with limit
:call add(tl, [2, '<\@<=span.', 'xxspanxx<spanyyy', 'spany'])
*** ../vim-7.4.099/src/testdir/test64.ok 2013-09-25 18:16:34.000000000
+0200
--- src/testdir/test64.ok 2013-11-21 15:59:04.000000000 +0100
***************
*** 944,949 ****
--- 944,952 ----
OK 0 - \\\@<!\${\(\d\+\%(:.\{-}\)\?\\\@<!\)}
OK 1 - \\\@<!\${\(\d\+\%(:.\{-}\)\?\\\@<!\)}
OK 2 - \\\@<!\${\(\d\+\%(:.\{-}\)\?\\\@<!\)}
+ OK 0 - ^\(a*\)\1$
+ OK 1 - ^\(a*\)\1$
+ OK 2 - ^\(a*\)\1$
OK 0 - <\@<=span.
OK 1 - <\@<=span.
OK 2 - <\@<=span.
*** ../vim-7.4.099/src/version.c 2013-11-21 14:39:58.000000000 +0100
--- src/version.c 2013-11-21 16:02:27.000000000 +0100
***************
*** 740,741 ****
--- 740,743 ----
{ /* Add new patch number below this line */
+ /**/
+ 100,
/**/
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