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author Patrick J Volkerding <volkerdi@slackware.com>2013-11-04 17:08:47 +0000
committer Eric Hameleers <alien@slackware.com>2018-05-31 22:57:36 +0200
commit76fc4757ac91ac7947a01fb7b53dddf9a78a01d1 (patch)
tree9b98e6e193c7870cb27ac861394c1c4592850922 /source/ap/vim/patches/7.4.036
parent9664bee729d487bcc0a0bc35859f8e13d5421c75 (diff)
downloadcurrent-76fc4757ac91ac7947a01fb7b53dddf9a78a01d1.tar.gz
current-76fc4757ac91ac7947a01fb7b53dddf9a78a01d1.tar.xz
Slackware 14.1slackware-14.1
Mon Nov 4 17:08:47 UTC 2013 Slackware 14.1 x86_64 stable is released! It's been another interesting release cycle here at Slackware bringing new features like support for UEFI machines, updated compilers and development tools, the switch from MySQL to MariaDB, and many more improvements throughout the system. Thanks to the team, the upstream developers, the dedicated Slackware community, and everyone else who pitched in to help make this release a reality. The ISOs are off to be replicated, a 6 CD-ROM 32-bit set and a dual-sided 32-bit/64-bit x86/x86_64 DVD. Please consider supporting the Slackware project by picking up a copy from store.slackware.com. We're taking pre-orders now, and offer a discount if you sign up for a subscription. Have fun! :-)
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+To: vim_dev@googlegroups.com
+Subject: Patch 7.4.036
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.4.036
+Problem: NFA engine does not capture group correctly when using \@>. (ZyX)
+Solution: Copy submatches before doing the recursive match.
+Files: src/regexp_nfa.c, src/testdir/test64.in, src/testdir/test64.ok
+
+
+*** ../vim-7.4.035/src/regexp_nfa.c 2013-09-22 13:57:19.000000000 +0200
+--- src/regexp_nfa.c 2013-09-25 16:35:54.000000000 +0200
+***************
+*** 36,42 ****
+ {
+ NFA_SPLIT = -1024,
+ NFA_MATCH,
+! NFA_SKIP_CHAR, /* matches a 0-length char */
+
+ NFA_START_COLL, /* [abc] start */
+ NFA_END_COLL, /* [abc] end */
+--- 36,42 ----
+ {
+ NFA_SPLIT = -1024,
+ NFA_MATCH,
+! NFA_EMPTY, /* matches 0-length */
+
+ NFA_START_COLL, /* [abc] start */
+ NFA_END_COLL, /* [abc] end */
+***************
+*** 2005,2012 ****
+ {
+ /* Ignore result of previous call to nfa_regatom() */
+ post_ptr = post_start + my_post_start;
+! /* NFA_SKIP_CHAR has 0-length and works everywhere */
+! EMIT(NFA_SKIP_CHAR);
+ return OK;
+ }
+
+--- 2005,2012 ----
+ {
+ /* Ignore result of previous call to nfa_regatom() */
+ post_ptr = post_start + my_post_start;
+! /* NFA_EMPTY is 0-length and works everywhere */
+! EMIT(NFA_EMPTY);
+ return OK;
+ }
+
+***************
+*** 2170,2185 ****
+ old_post_pos = (int)(post_ptr - post_start);
+ if (nfa_regconcat() == FAIL)
+ return FAIL;
+! /* if concat is empty, skip a input char. But do emit a node */
+ if (old_post_pos == (int)(post_ptr - post_start))
+! EMIT(NFA_SKIP_CHAR);
+ EMIT(NFA_CONCAT);
+ ch = peekchr();
+ }
+
+! /* Even if a branch is empty, emit one node for it */
+ if (old_post_pos == (int)(post_ptr - post_start))
+! EMIT(NFA_SKIP_CHAR);
+
+ return OK;
+ }
+--- 2170,2185 ----
+ old_post_pos = (int)(post_ptr - post_start);
+ if (nfa_regconcat() == FAIL)
+ return FAIL;
+! /* if concat is empty do emit a node */
+ if (old_post_pos == (int)(post_ptr - post_start))
+! EMIT(NFA_EMPTY);
+ EMIT(NFA_CONCAT);
+ ch = peekchr();
+ }
+
+! /* if a branch is empty, emit one node for it */
+ if (old_post_pos == (int)(post_ptr - post_start))
+! EMIT(NFA_EMPTY);
+
+ return OK;
+ }
+***************
+*** 2423,2429 ****
+ case NFA_STAR_NONGREEDY: STRCPY(code, "NFA_STAR_NONGREEDY "); break;
+ case NFA_QUEST: STRCPY(code, "NFA_QUEST"); break;
+ case NFA_QUEST_NONGREEDY: STRCPY(code, "NFA_QUEST_NON_GREEDY"); break;
+! case NFA_SKIP_CHAR: STRCPY(code, "NFA_SKIP_CHAR"); break;
+ case NFA_OR: STRCPY(code, "NFA_OR"); break;
+
+ case NFA_START_COLL: STRCPY(code, "NFA_START_COLL"); break;
+--- 2423,2429 ----
+ case NFA_STAR_NONGREEDY: STRCPY(code, "NFA_STAR_NONGREEDY "); break;
+ case NFA_QUEST: STRCPY(code, "NFA_QUEST"); break;
+ case NFA_QUEST_NONGREEDY: STRCPY(code, "NFA_QUEST_NON_GREEDY"); break;
+! case NFA_EMPTY: STRCPY(code, "NFA_EMPTY"); break;
+ case NFA_OR: STRCPY(code, "NFA_OR"); break;
+
+ case NFA_START_COLL: STRCPY(code, "NFA_START_COLL"); break;
+***************
+*** 3067,3073 ****
+ case NFA_ZSTART:
+ case NFA_ZEND:
+ case NFA_OPT_CHARS:
+! case NFA_SKIP_CHAR:
+ case NFA_START_PATTERN:
+ case NFA_END_PATTERN:
+ case NFA_COMPOSING:
+--- 3067,3073 ----
+ case NFA_ZSTART:
+ case NFA_ZEND:
+ case NFA_OPT_CHARS:
+! case NFA_EMPTY:
+ case NFA_START_PATTERN:
+ case NFA_END_PATTERN:
+ case NFA_COMPOSING:
+***************
+*** 3265,3279 ****
+ PUSH(frag(e1.start, e2.out));
+ break;
+
+! case NFA_SKIP_CHAR:
+! /* Symbol of 0-length, Used in a repetition
+! * with max/min count of 0 */
+ if (nfa_calc_size == TRUE)
+ {
+ nstate++;
+ break;
+ }
+! s = alloc_state(NFA_SKIP_CHAR, NULL, NULL);
+ if (s == NULL)
+ goto theend;
+ PUSH(frag(s, list1(&s->out)));
+--- 3265,3278 ----
+ PUSH(frag(e1.start, e2.out));
+ break;
+
+! case NFA_EMPTY:
+! /* 0-length, used in a repetition with max/min count of 0 */
+ if (nfa_calc_size == TRUE)
+ {
+ nstate++;
+ break;
+ }
+! s = alloc_state(NFA_EMPTY, NULL, NULL);
+ if (s == NULL)
+ goto theend;
+ PUSH(frag(s, list1(&s->out)));
+***************
+*** 4209,4215 ****
+ case NFA_MOPEN:
+ case NFA_ZEND:
+ case NFA_SPLIT:
+! case NFA_SKIP_CHAR:
+ /* These nodes are not added themselves but their "out" and/or
+ * "out1" may be added below. */
+ break;
+--- 4208,4214 ----
+ case NFA_MOPEN:
+ case NFA_ZEND:
+ case NFA_SPLIT:
+! case NFA_EMPTY:
+ /* These nodes are not added themselves but their "out" and/or
+ * "out1" may be added below. */
+ break;
+***************
+*** 4337,4343 ****
+ subs = addstate(l, state->out1, subs, pim, off);
+ break;
+
+! case NFA_SKIP_CHAR:
+ case NFA_NOPEN:
+ case NFA_NCLOSE:
+ subs = addstate(l, state->out, subs, pim, off);
+--- 4336,4342 ----
+ subs = addstate(l, state->out1, subs, pim, off);
+ break;
+
+! case NFA_EMPTY:
+ case NFA_NOPEN:
+ case NFA_NCLOSE:
+ subs = addstate(l, state->out, subs, pim, off);
+***************
+*** 5604,5612 ****
+ {
+ int in_use = m->norm.in_use;
+
+! /* Copy submatch info for the recursive call, so that
+! * \1 can be matched. */
+ copy_sub_off(&m->norm, &t->subs.norm);
+
+ /*
+ * First try matching the invisible match, then what
+--- 5603,5615 ----
+ {
+ int in_use = m->norm.in_use;
+
+! /* Copy submatch info for the recursive call, opposite
+! * of what happens on success below. */
+ copy_sub_off(&m->norm, &t->subs.norm);
++ #ifdef FEAT_SYN_HL
++ if (nfa_has_zsubexpr)
++ copy_sub_off(&m->synt, &t->subs.synt);
++ #endif
+
+ /*
+ * First try matching the invisible match, then what
+***************
+*** 5713,5718 ****
+--- 5716,5728 ----
+ #endif
+ break;
+ }
++ /* Copy submatch info to the recursive call, opposite of what
++ * happens afterwards. */
++ copy_sub_off(&m->norm, &t->subs.norm);
++ #ifdef FEAT_SYN_HL
++ if (nfa_has_zsubexpr)
++ copy_sub_off(&m->synt, &t->subs.synt);
++ #endif
+
+ /* First try matching the pattern. */
+ result = recursive_regmatch(t->state, NULL, prog,
+*** ../vim-7.4.035/src/testdir/test64.in 2013-09-22 13:57:19.000000000 +0200
+--- src/testdir/test64.in 2013-09-25 15:51:12.000000000 +0200
+***************
+*** 430,435 ****
+--- 430,436 ----
+ :call add(tl, [2, '\(a*\)\@>a', 'aaaa'])
+ :call add(tl, [2, '\(a*\)\@>b', 'aaab', 'aaab', 'aaa'])
+ :call add(tl, [2, '^\(.\{-}b\)\@>.', ' abcbd', ' abc', ' ab'])
++ :call add(tl, [2, '\(.\{-}\)\(\)\@>$', 'abc', 'abc', 'abc', ''])
+ :" TODO: BT engine does not restore submatch after failure
+ :call add(tl, [1, '\(a*\)\@>a\|a\+', 'aaaa', 'aaaa'])
+ :"
+*** ../vim-7.4.035/src/testdir/test64.ok 2013-09-22 13:57:19.000000000 +0200
+--- src/testdir/test64.ok 2013-09-25 16:39:31.000000000 +0200
+***************
+*** 992,997 ****
+--- 992,1000 ----
+ OK 0 - ^\(.\{-}b\)\@>.
+ OK 1 - ^\(.\{-}b\)\@>.
+ OK 2 - ^\(.\{-}b\)\@>.
++ OK 0 - \(.\{-}\)\(\)\@>$
++ OK 1 - \(.\{-}\)\(\)\@>$
++ OK 2 - \(.\{-}\)\(\)\@>$
+ OK 0 - \(a*\)\@>a\|a\+
+ OK 2 - \(a*\)\@>a\|a\+
+ OK 0 - \_[^8-9]\+
+*** ../vim-7.4.035/src/version.c 2013-09-22 15:43:34.000000000 +0200
+--- src/version.c 2013-09-25 16:40:01.000000000 +0200
+***************
+*** 740,741 ****
+--- 740,743 ----
+ { /* Add new patch number below this line */
++ /**/
++ 36,
+ /**/
+
+--
+There is a fine line between courage and foolishness.
+Unfortunately, it's not a fence.
+
+ /// 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 ///