Mercurial > vim
changeset 4815:6419ee8098c8 v7.3.1154
updated for version 7.3.1154
Problem: New regexp_nfa engine: Uneccessary code.
Solution: Remove uneccessary code.
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Sun, 09 Jun 2013 17:25:34 +0200 |
| parents | fd09a5342efd |
| children | 7dc82366bd46 |
| files | src/regexp_nfa.c src/version.c |
| diffstat | 2 files changed, 11 insertions(+), 10 deletions(-) [+] |
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--- a/src/regexp_nfa.c +++ b/src/regexp_nfa.c @@ -3795,14 +3795,8 @@ addstate(l, state, subs, pim, off) int did_print = FALSE; #endif - if (l == NULL || state == NULL) - return; - switch (state->c) { - case NFA_SPLIT: - case NFA_NOPEN: - case NFA_SKIP_CHAR: case NFA_NCLOSE: case NFA_MCLOSE: case NFA_MCLOSE1: @@ -3827,6 +3821,9 @@ addstate(l, state, subs, pim, off) case NFA_ZCLOSE9: #endif case NFA_ZEND: + case NFA_SPLIT: + case NFA_NOPEN: + case NFA_SKIP_CHAR: /* These nodes are not added themselves but their "out" and/or * "out1" may be added below. */ break; @@ -3889,12 +3886,14 @@ skip_add: return; } + /* Do not add the state again when it exists with the same + * positions. */ if (has_state_with_pos(l, state, subs)) goto skip_add; } - /* when there are backreferences or look-behind matches the number - * of states may be (a lot) bigger */ + /* When there are backreferences the number of states may be (a + * lot) bigger than anticipated. */ if (nfa_has_backref && l->n == l->len) { int newlen = l->len * 3 / 2 + 50; @@ -3985,8 +3984,8 @@ skip_add: sub = &subs->norm; } - /* Set the position (with "off") in the subexpression. Save and - * restore it when it was in use. Otherwise fill any gap. */ + /* Set the position (with "off" added) in the subexpression. Save + * and restore it when it was in use. Otherwise fill any gap. */ save_ptr = NULL; if (REG_MULTI) {