Patch 7.3.1194
Problem: Yaml highlighting is slow.
Solution: Tune the estimation of pattern failure chance.
Files: src/regexp_nfa.c
*** ../vim-7.3.1193/src/regexp_nfa.c 2013-06-14 21:15:21.000000000 +0200
--- src/regexp_nfa.c 2013-06-14 22:14:17.000000000 +0200
***************
*** 4686,4691 ****
--- 4686,4703 ----
/* empty match works always */
return 0;
+ case NFA_START_INVISIBLE:
+ case NFA_START_INVISIBLE_FIRST:
+ case NFA_START_INVISIBLE_NEG:
+ case NFA_START_INVISIBLE_NEG_FIRST:
+ case NFA_START_INVISIBLE_BEFORE:
+ case NFA_START_INVISIBLE_BEFORE_FIRST:
+ case NFA_START_INVISIBLE_BEFORE_NEG:
+ case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
+ case NFA_START_PATTERN:
+ /* recursive regmatch is expensive, use low failure chance */
+ return 5;
+
case NFA_BOL:
case NFA_EOL:
case NFA_BOF:
***************
*** 5264,5270 ****
skip_lid = nextlist->id;
#endif
}
! else if(state_in_list(thislist,
t->state->out1->out->out, &t->subs))
{
skip = t->state->out1->out->out;
--- 5276,5282 ----
skip_lid = nextlist->id;
#endif
}
! else if (state_in_list(thislist,
t->state->out1->out->out, &t->subs))
{
skip = t->state->out1->out->out;
*** ../vim-7.3.1193/src/version.c 2013-06-14 21:22:33.000000000 +0200
--- src/version.c 2013-06-14 22:26:49.000000000 +0200
***************
*** 730,731 ****
--- 730,733 ----
{ /* Add new patch number below this line */
+ /**/
+ 1194,
/**/
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