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- To: vim_dev@googlegroups.com
- Subject: Patch 7.3.1076
- Fcc: outbox
- From: Bram Moolenaar <Bram@moolenaar.net>
- Mime-Version: 1.0
- Content-Type: text/plain; charset=UTF-8
- Content-Transfer-Encoding: 8bit
- ------------
-
- Patch 7.3.1076
- Problem: New regexp engine: \@= and \& don't work.
- Solution: Make these items work. Add column info to logging.
- Files: src/regexp_nfa.c, src/testdir/test64.in, src/testdir/test64.ok
-
-
- *** ../vim-7.3.1075/src/regexp_nfa.c 2013-05-30 19:18:27.000000000 +0200
- --- src/regexp_nfa.c 2013-05-30 21:41:51.000000000 +0200
- ***************
- *** 1740,1747 ****
- STRCPY(code, "NFA_PREV_ATOM_NO_WIDTH"); break;
- case NFA_PREV_ATOM_NO_WIDTH_NEG:
- STRCPY(code, "NFA_PREV_ATOM_NO_WIDTH_NEG"); break;
- ! case NFA_NOPEN: STRCPY(code, "NFA_MOPEN_INVISIBLE"); break;
- ! case NFA_NCLOSE: STRCPY(code, "NFA_MCLOSE_INVISIBLE"); break;
- case NFA_START_INVISIBLE: STRCPY(code, "NFA_START_INVISIBLE"); break;
- case NFA_END_INVISIBLE: STRCPY(code, "NFA_END_INVISIBLE"); break;
-
- --- 1740,1747 ----
- STRCPY(code, "NFA_PREV_ATOM_NO_WIDTH"); break;
- case NFA_PREV_ATOM_NO_WIDTH_NEG:
- STRCPY(code, "NFA_PREV_ATOM_NO_WIDTH_NEG"); break;
- ! case NFA_NOPEN: STRCPY(code, "NFA_NOPEN"); break;
- ! case NFA_NCLOSE: STRCPY(code, "NFA_NCLOSE"); break;
- case NFA_START_INVISIBLE: STRCPY(code, "NFA_START_INVISIBLE"); break;
- case NFA_END_INVISIBLE: STRCPY(code, "NFA_END_INVISIBLE"); break;
-
- ***************
- *** 2373,2384 ****
- break;
-
- case NFA_PREV_ATOM_NO_WIDTH:
- ! /* The \@= operator: match the preceding atom with 0 width.
- * Surrounds the preceding atom with START_INVISIBLE and
- ! * END_INVISIBLE, similarly to MOPEN.
- ! */
- ! /* TODO: Maybe this drops the speed? */
- ! goto theend;
-
- if (nfa_calc_size == TRUE)
- {
- --- 2373,2381 ----
- break;
-
- case NFA_PREV_ATOM_NO_WIDTH:
- ! /* The \@= operator: match the preceding atom with zero width.
- * Surrounds the preceding atom with START_INVISIBLE and
- ! * END_INVISIBLE, similarly to MOPEN. */
-
- if (nfa_calc_size == TRUE)
- {
- ***************
- *** 2745,2750 ****
- --- 2742,2750 ----
- int save_in_use;
- char_u *save_ptr;
- int i;
- + #ifdef ENABLE_LOG
- + int did_print = FALSE;
- + #endif
-
- if (l == NULL || state == NULL)
- return;
- ***************
- *** 2782,2788 ****
- /* These nodes do not need to be added, but we need to bail out
- * when it was tried to be added to this list before. */
- if (state->lastlist == l->id)
- ! return;
- state->lastlist = l->id;
- break;
-
- --- 2782,2788 ----
- /* These nodes do not need to be added, but we need to bail out
- * when it was tried to be added to this list before. */
- if (state->lastlist == l->id)
- ! goto skip_add;
- state->lastlist = l->id;
- break;
-
- ***************
- *** 2792,2798 ****
- --- 2792,2806 ----
- /* This state is already in the list, don't add it again,
- * unless it is an MOPEN that is used for a backreference. */
- if (!nfa_has_backref)
- + {
- + skip_add:
- + #ifdef ENABLE_LOG
- + nfa_set_code(state->c);
- + fprintf(log_fd, "> Not adding state %d to list %d. char %d: %s\n",
- + abs(state->id), l->id, state->c, code);
- + #endif
- return;
- + }
-
- /* See if the same state is already in the list with the same
- * positions. */
- ***************
- *** 2801,2807 ****
- thread = &l->t[i];
- if (thread->state->id == state->id
- && sub_equal(&thread->sub, sub))
- ! return;
- }
- }
-
- --- 2809,2815 ----
- thread = &l->t[i];
- if (thread->state->id == state->id
- && sub_equal(&thread->sub, sub))
- ! goto skip_add;
- }
- }
-
- ***************
- *** 2832,2843 ****
- &sub->list.line[0],
- sizeof(struct linepos) * sub->in_use);
- }
- }
-
- #ifdef ENABLE_LOG
- ! nfa_set_code(state->c);
- ! fprintf(log_fd, "> Adding state %d to list. Character %d: %s\n",
- ! abs(state->id), state->c, code);
- #endif
- switch (state->c)
- {
- --- 2840,2878 ----
- &sub->list.line[0],
- sizeof(struct linepos) * sub->in_use);
- }
- + #ifdef ENABLE_LOG
- + {
- + int col;
- +
- + if (thread->sub.in_use <= 0)
- + col = -1;
- + else if (REG_MULTI)
- + col = thread->sub.list.multi[0].start.col;
- + else
- + col = (int)(thread->sub.list.line[0].start - regline);
- + nfa_set_code(state->c);
- + fprintf(log_fd, "> Adding state %d to list %d. char %d: %s (start col %d)\n",
- + abs(state->id), l->id, state->c, code, col);
- + did_print = TRUE;
- + }
- + #endif
- }
-
- #ifdef ENABLE_LOG
- ! if (!did_print)
- ! {
- ! int col;
- !
- ! if (sub->in_use <= 0)
- ! col = -1;
- ! else if (REG_MULTI)
- ! col = sub->list.multi[0].start.col;
- ! else
- ! col = (int)(sub->list.line[0].start - regline);
- ! nfa_set_code(state->c);
- ! fprintf(log_fd, "> Processing state %d for list %d. char %d: %s (start col %d)\n",
- ! abs(state->id), l->id, state->c, code, col);
- ! }
- #endif
- switch (state->c)
- {
- ***************
- *** 2873,2886 ****
- addstate(l, state->out, sub, off);
- break;
-
- - /* If this state is reached, then a recursive call of nfa_regmatch()
- - * succeeded. the next call saves the found submatches in the
- - * first state after the "invisible" branch. */
- - #if 0
- - case NFA_END_INVISIBLE:
- - break;
- - #endif
- -
- case NFA_MOPEN + 0:
- case NFA_MOPEN + 1:
- case NFA_MOPEN + 2:
- --- 2908,2913 ----
- ***************
- *** 3450,3458 ****
- fprintf(debug, "%s, ", code);
- #endif
- #ifdef ENABLE_LOG
- ! nfa_set_code(t->state->c);
- ! fprintf(log_fd, "(%d) %s, code %d ... \n", abs(t->state->id),
- ! code, (int)t->state->c);
- #endif
-
- /*
- --- 3477,3495 ----
- fprintf(debug, "%s, ", code);
- #endif
- #ifdef ENABLE_LOG
- ! {
- ! int col;
- !
- ! if (t->sub.in_use <= 0)
- ! col = -1;
- ! else if (REG_MULTI)
- ! col = t->sub.list.multi[0].start.col;
- ! else
- ! col = (int)(t->sub.list.line[0].start - regline);
- ! nfa_set_code(t->state->c);
- ! fprintf(log_fd, "(%d) char %d %s (start col %d) ... \n",
- ! abs(t->state->id), (int)t->state->c, code, col);
- ! }
- #endif
-
- /*
- ***************
- *** 3504,3509 ****
- --- 3541,3547 ----
- addstate_here(thislist, t->state->out, &t->sub, &listidx);
- else
- {
- + /* TODO: only copy positions in use. */
- *m = t->sub;
- nfa_match = TRUE;
- }
- ***************
- *** 3538,3543 ****
- --- 3576,3582 ----
- result = nfa_regmatch(t->state->out, submatch, m);
- nfa_set_neg_listids(start);
- nfa_restore_listids(start, listids);
- + nfa_match = FALSE;
-
- #ifdef ENABLE_LOG
- log_fd = fopen(NFA_REGEXP_RUN_LOG, "a");
- ***************
- *** 3575,3583 ****
- t->sub.list.line[j].start = m->list.line[j].start;
- t->sub.list.line[j].end = m->list.line[j].end;
- }
- ! t->sub.in_use = m->in_use;
-
- ! /* t->state->out1 is the corresponding END_INVISIBLE node */
- addstate_here(thislist, t->state->out1->out, &t->sub,
- &listidx);
- }
- --- 3614,3624 ----
- t->sub.list.line[j].start = m->list.line[j].start;
- t->sub.list.line[j].end = m->list.line[j].end;
- }
- ! if (m->in_use > t->sub.in_use)
- ! t->sub.in_use = m->in_use;
-
- ! /* t->state->out1 is the corresponding END_INVISIBLE node;
- ! * Add it to the current list (zero-width match). */
- addstate_here(thislist, t->state->out1->out, &t->sub,
- &listidx);
- }
- ***************
- *** 4146,4152 ****
- fprintf(f, "\tRegexp is \"%s\"\n", nfa_regengine.expr);
- #endif
- fprintf(f, "\tInput text is \"%s\" \n", reginput);
- ! fprintf(f, " =======================================================\n\n\n\n\n\n\n");
- nfa_print_state(f, start);
- fprintf(f, "\n\n");
- fclose(f);
- --- 4187,4193 ----
- fprintf(f, "\tRegexp is \"%s\"\n", nfa_regengine.expr);
- #endif
- fprintf(f, "\tInput text is \"%s\" \n", reginput);
- ! fprintf(f, " =======================================================\n\n");
- nfa_print_state(f, start);
- fprintf(f, "\n\n");
- fclose(f);
- *** ../vim-7.3.1075/src/testdir/test64.in 2013-05-30 18:45:20.000000000 +0200
- --- src/testdir/test64.in 2013-05-30 21:28:06.000000000 +0200
- ***************
- *** 294,315 ****
- :call add(tl, [2, '\v(a \zsif .*){2}', 'a if then a if last', 'if last', 'a if last'])
- :call add(tl, [2, '\>\zs.', 'aword. ', '.'])
- :"
- ! :"""" Tests for \@ features
- ! :call add(tl, [0, 'abc\@=', 'abc', 'ab'])
- ! :call add(tl, [0, 'abc\@=cd', 'abcd', 'abcd'])
- ! :call add(tl, [0, 'abc\@=', 'ababc', 'ab'])
- :" will never match, no matter the input text
- :call add(tl, [2, 'abcd\@=e', 'abcd'])
- :" will never match
- :call add(tl, [2, 'abcd\@=e', 'any text in here ... '])
- ! :call add(tl, [0, '\v(abc)@=..', 'xabcd', 'ab', 'abc'])
- :" no match
- :call add(tl, [2, '\(.*John\)\@=.*Bob', 'here is John, and here is B'])
- ! :call add(tl, [0, '\(John.*\)\@=.*Bob', 'John is Bobs friend', 'John is Bob', 'John is Bobs friend'])
- :" no match
- :call add(tl, [2, '.*John\&.*Bob', 'here is John, and here is B'])
- ! :call add(tl, [0, '.*John\&.*Bob', 'John is Bobs friend', 'John is Bob'])
- ! :call add(tl, [0, '\v(test1)@=.*yep', 'this is a test1, yep it is', 'test1, yep', 'test1'])
- :"
- :"""" Combining different tests and features
- :call add(tl, [2, '[[:alpha:]]\{-2,6}', '787abcdiuhsasiuhb4', 'ab'])
- --- 294,315 ----
- :call add(tl, [2, '\v(a \zsif .*){2}', 'a if then a if last', 'if last', 'a if last'])
- :call add(tl, [2, '\>\zs.', 'aword. ', '.'])
- :"
- ! :"""" Tests for \@= and \& features
- ! :call add(tl, [2, 'abc\@=', 'abc', 'ab'])
- ! :call add(tl, [2, 'abc\@=cd', 'abcd', 'abcd'])
- ! :call add(tl, [2, 'abc\@=', 'ababc', 'ab'])
- :" will never match, no matter the input text
- :call add(tl, [2, 'abcd\@=e', 'abcd'])
- :" will never match
- :call add(tl, [2, 'abcd\@=e', 'any text in here ... '])
- ! :call add(tl, [2, '\v(abc)@=..', 'xabcd', 'ab', 'abc'])
- :" no match
- :call add(tl, [2, '\(.*John\)\@=.*Bob', 'here is John, and here is B'])
- ! :call add(tl, [2, '\(John.*\)\@=.*Bob', 'John is Bobs friend', 'John is Bob', 'John is Bobs friend'])
- :" no match
- :call add(tl, [2, '.*John\&.*Bob', 'here is John, and here is B'])
- ! :call add(tl, [2, '.*John\&.*Bob', 'John is Bobs friend', 'John is Bob'])
- ! :call add(tl, [2, '\v(test1)@=.*yep', 'this is a test1, yep it is', 'test1, yep', 'test1'])
- :"
- :"""" Combining different tests and features
- :call add(tl, [2, '[[:alpha:]]\{-2,6}', '787abcdiuhsasiuhb4', 'ab'])
- *** ../vim-7.3.1075/src/testdir/test64.ok 2013-05-30 18:45:20.000000000 +0200
- --- src/testdir/test64.ok 2013-05-30 21:29:06.000000000 +0200
- ***************
- *** 647,656 ****
- --- 647,659 ----
- OK 2 - \>\zs.
- OK 0 - abc\@=
- OK 1 - abc\@=
- + OK 2 - abc\@=
- OK 0 - abc\@=cd
- OK 1 - abc\@=cd
- + OK 2 - abc\@=cd
- OK 0 - abc\@=
- OK 1 - abc\@=
- + OK 2 - abc\@=
- OK 0 - abcd\@=e
- OK 1 - abcd\@=e
- OK 2 - abcd\@=e
- ***************
- *** 659,676 ****
- --- 662,683 ----
- OK 2 - abcd\@=e
- OK 0 - \v(abc)@=..
- OK 1 - \v(abc)@=..
- + OK 2 - \v(abc)@=..
- OK 0 - \(.*John\)\@=.*Bob
- OK 1 - \(.*John\)\@=.*Bob
- OK 2 - \(.*John\)\@=.*Bob
- OK 0 - \(John.*\)\@=.*Bob
- OK 1 - \(John.*\)\@=.*Bob
- + OK 2 - \(John.*\)\@=.*Bob
- OK 0 - .*John\&.*Bob
- OK 1 - .*John\&.*Bob
- OK 2 - .*John\&.*Bob
- OK 0 - .*John\&.*Bob
- OK 1 - .*John\&.*Bob
- + OK 2 - .*John\&.*Bob
- OK 0 - \v(test1)@=.*yep
- OK 1 - \v(test1)@=.*yep
- + OK 2 - \v(test1)@=.*yep
- OK 0 - [[:alpha:]]\{-2,6}
- OK 1 - [[:alpha:]]\{-2,6}
- OK 2 - [[:alpha:]]\{-2,6}
- *** ../vim-7.3.1075/src/version.c 2013-05-30 19:18:27.000000000 +0200
- --- src/version.c 2013-05-30 21:34:53.000000000 +0200
- ***************
- *** 730,731 ****
- --- 730,733 ----
- { /* Add new patch number below this line */
- + /**/
- + 1076,
- /**/
-
- --
- I'm not familiar with this proof, but I'm aware of a significant
- following of toddlers who believe that peanut butter is the solution
- to all of life's problems... -- Tim Hammerquist
-
- /// 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 ///
-