Mercurial > vim
diff src/regexp_nfa.c @ 4688:371cc0c44097 v7.3.1091
updated for version 7.3.1091
Problem: New regexp engine: no error when using \z1 or \z( where it does
not work.
Solution: Give an error message.
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Sun, 02 Jun 2013 15:01:57 +0200 |
| parents | 8db697ae406a |
| children | 9d97a0c045ef |
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--- a/src/regexp_nfa.c +++ b/src/regexp_nfa.c @@ -865,6 +865,8 @@ nfa_regatom() case '8': case '9': /* \z1...\z9 */ + if (reg_do_extmatch != REX_USE) + EMSG_RET_FAIL(_(e_z1_not_allowed)); EMIT(NFA_ZREF1 + (no_Magic(c) - '1')); /* No need to set nfa_has_backref, the sub-matches don't * change when \z1 .. \z9 maches or not. */ @@ -872,6 +874,8 @@ nfa_regatom() break; case '(': /* \z( */ + if (reg_do_extmatch != REX_SET) + EMSG_RET_FAIL(_(e_z_not_allowed)); if (nfa_reg(REG_ZPAREN) == FAIL) return FAIL; /* cascaded error */ re_has_z = REX_SET;