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forked from aniani/vim

updated for version 7.3.1131

Problem:    New regexp engine is a bit slow.
Solution:   Do not clear the state list.  Don't copy syntax submatches when
            not used.
This commit is contained in:
Bram Moolenaar
2013-06-06 16:22:06 +02:00
parent f751255283
commit 188c57bcd1
2 changed files with 13 additions and 10 deletions

View File

@@ -319,7 +319,6 @@ nfa_regcomp_start(expr, re_flags)
post_start = (int *)lalloc(postfix_size, TRUE);
if (post_start == NULL)
return FAIL;
vim_memset(post_start, 0, postfix_size);
post_ptr = post_start;
post_end = post_start + nstate_max;
nfa_has_zend = FALSE;
@@ -347,7 +346,6 @@ realloc_post_list()
if (new_start == NULL)
return FAIL;
mch_memmove(new_start, post_start, nstate_max * sizeof(int));
vim_memset(new_start + nstate_max, 0, 1000 * sizeof(int));
old_start = post_start;
post_start = new_start;
post_ptr = new_start + (post_ptr - old_start);
@@ -4127,11 +4125,11 @@ nfa_regmatch(prog, start, submatch, m)
/* Allocate memory for the lists of nodes. */
size = (nstate + 1) * sizeof(nfa_thread_T);
list[0].t = (nfa_thread_T *)lalloc_clear(size, TRUE);
list[0].t = (nfa_thread_T *)lalloc(size, TRUE);
list[0].len = nstate + 1;
list[1].t = (nfa_thread_T *)lalloc_clear(size, TRUE);
list[1].t = (nfa_thread_T *)lalloc(size, TRUE);
list[1].len = nstate + 1;
list[2].t = (nfa_thread_T *)lalloc_clear(size, TRUE);
list[2].t = (nfa_thread_T *)lalloc(size, TRUE);
list[2].len = nstate + 1;
if (list[0].t == NULL || list[1].t == NULL || list[2].t == NULL)
goto theend;
@@ -4390,6 +4388,7 @@ nfa_regmatch(prog, start, submatch, m)
/* Copy submatch info from the recursive call */
copy_sub_off(&t->subs.norm, &m->norm);
#ifdef FEAT_SYN_HL
if (nfa_has_zsubexpr)
copy_sub_off(&t->subs.synt, &m->synt);
#endif
@@ -4441,6 +4440,7 @@ nfa_regmatch(prog, start, submatch, m)
/* Copy submatch info from the recursive call */
copy_sub_off(&t->subs.norm, &m->norm);
#ifdef FEAT_SYN_HL
if (nfa_has_zsubexpr)
copy_sub_off(&t->subs.synt, &m->synt);
#endif
/* Now we need to skip over the matched text and then
@@ -5053,6 +5053,7 @@ nfa_regmatch(prog, start, submatch, m)
/* Copy submatch info from the recursive call */
copy_sub_off(&t->pim->subs.norm, &m->norm);
#ifdef FEAT_SYN_HL
if (nfa_has_zsubexpr)
copy_sub_off(&t->pim->subs.synt, &m->synt);
#endif
}
@@ -5074,6 +5075,7 @@ nfa_regmatch(prog, start, submatch, m)
/* Copy submatch info from the recursive call */
copy_sub_off(&t->subs.norm, &t->pim->subs.norm);
#ifdef FEAT_SYN_HL
if (nfa_has_zsubexpr)
copy_sub_off(&t->subs.synt, &t->pim->subs.synt);
#endif
}
@@ -5440,7 +5442,6 @@ nfa_regcomp(expr, re_flags)
prog = (nfa_regprog_T *)lalloc(prog_size, TRUE);
if (prog == NULL)
goto fail;
vim_memset(prog, 0, prog_size);
state_ptr = prog->state;
/*

View File

@@ -728,6 +728,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
1131,
/**/
1130,
/**/