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| author | Bram Moolenaar <bram@vim.org> | 2013-06-14 22:33:51 +0200 |
|---|---|---|
| committer | Bram Moolenaar <bram@vim.org> | 2013-06-14 22:33:51 +0200 |
| commit | 59aeeef8bd5955c210322f8c4555e411ce1fcfbb (patch) | |
| tree | 1dc72a34d815c88fb6718849d0ce881361052b99 | |
| parent | 84103594fac330fd09ebbd6e7b9269f893b42bf6 (diff) | |
| download | vim-59aeeef8bd5955c210322f8c4555e411ce1fcfbb.tar.gz | |
Problem: Yaml highlighting is slow.
Solution: Tune the estimation of pattern failure chance.
| -rw-r--r-- | src/regexp_nfa.c | 14 | ||||
| -rw-r--r-- | src/version.c | 2 |
2 files changed, 15 insertions, 1 deletions
diff --git a/src/regexp_nfa.c b/src/regexp_nfa.c index 7a335336..5414465b 100644 --- a/src/regexp_nfa.c +++ b/src/regexp_nfa.c @@ -4686,6 +4686,18 @@ failure_chance(state, depth) /* 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: @@ -5264,7 +5276,7 @@ nfa_regmatch(prog, start, submatch, m) skip_lid = nextlist->id; #endif } - else if(state_in_list(thislist, + else if (state_in_list(thislist, t->state->out1->out->out, &t->subs)) { skip = t->state->out1->out->out; diff --git a/src/version.c b/src/version.c index 7ca5094f..0b88903f 100644 --- a/src/version.c +++ b/src/version.c @@ -729,6 +729,8 @@ static char *(features[]) = static int included_patches[] = { /* Add new patch number below this line */ /**/ + 1194, +/**/ 1193, /**/ 1192, |